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Статті в журналах з теми "4f complexes"

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Автор: Grafiati

Опубліковано: 23 вересня 2022

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1

Miao, Hao, Hong-Qing Li, Fu-Xing Shen, Hai-Yan Wei, Bao-Lin Wang, and Xin-Yi Wang. "A family of lanthanide complexes with a bis-tridentate nitronyl nitroxide radical: syntheses, structures and magnetic properties." Dalton Transactions 48, no. 27 (2019): 10337–45. http://dx.doi.org/10.1039/c9dt01397k.

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2

Costes, Jean-Pierre, Ghenadie Novitchi, and Colette Lebrun. "Synthesis and characterization of new heterodinuclear (4f, 4f′) lanthanide complexes." Journal of Alloys and Compounds 374, no. 1-2 (July 2004): 377–81. http://dx.doi.org/10.1016/j.jallcom.2003.11.025.

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3

Andruh, Marius. "Binuclear complexes as tectons in designing supramolecular solid-state architectures." Pure and Applied Chemistry 77, no. 10 (January 1, 2005): 1685–706. http://dx.doi.org/10.1351/pac200577101685.

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Oligonuclear complexes as well as coordination polymers with various network topologies can be obtained by using homo- or heterobinuclear complexes as starting materials. These building blocks are stable complexes, where the metal ions are held together by compartmental ligands, or alkoxo-bridged Cu(II) species. The binuclear nodes can be connected through appropriate exo-dentate ligands, or through metal-containing anions (e.g., [M(CN)6]3-, M = CrIII, FeIII, CoIII). A rich variety of 3d-3d and 3d-4f heterometallic complexes, with interesting architectures and topologies of the spin carriers, has been obtained. A particular case is the one concerning the 3d-4f binuclear nodes. Following this strategy, we were able to obtain coordination polymers containing three different spin carriers (2p-3d-4f; 3d-3d'-4f).

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4

Abdus SUBHAN, Md, Takayoshi Suzuki, and Sumio Kaizaki. "Laser Emission in 4f-4f Transitions of Some Nd(III) Complexes." Molecular Crystals and Liquid Crystals 379, no. 1 (January 1, 2002): 395–400. http://dx.doi.org/10.1080/713738671.

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5

Iftikhar, K. "Hypersensitivity in the 4f–4f absorption spectra of lanthanide(III) complexes." Inorganica Chimica Acta 129, no. 2 (June 1987): 261–64. http://dx.doi.org/10.1016/s0020-1693(00)86672-4.

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6

KOROVIN, YU, Z. ZHILINA, N. RUSAKOVA, V. KUZ'MIN, S. VODZINSKY, and YU ISHKOV. "Spectral-luminescent effects in heterometallic complexes of crown-porphyrins." Journal of Porphyrins and Phthalocyanines 05, no. 05 (May 2001): 481–85. http://dx.doi.org/10.1002/jpp.350.

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New complexes of ytterbium with porphyrins containing crown- and other oxygen-containing cyclic substituents were obtained. The absorption, excitation, ligand luminescence and 4f-luminescence spectra have been investigated. It has been shown that 4f-luminescence of ytterbium Yb ( III ) ions was a result of the intramolecular energy transfer from the triplet level of the ligands to the resonance 2F5/2 level of Yb ( III ). It has been also established that in presence of alkali metal Na , K and Cs the dimer complexes (sandwich-type) of ytterbium-crown-porphyrin were formed. Molecular luminescence of the porphyrin matrix was quenched completely in these dimers, but at the same time the quantum yield and lifetime of 4f-luminescence increase in the complexes.

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7

Visinescu, Diana, Maria-Gabriela Alexandru, Augustin M. Madalan, Ie-Rang Jeon, Corine Mathonière, Rodolphe Clérac, and Marius Andruh. "A new family of [CuIILnIIIMV] heterotrimetallic complexes (Ln = La, Gd, Tb; M = Mo, W): model systems to probe exchange interactions and single-molecule magnet properties." Dalton Transactions 45, no. 18 (2016): 7642–49. http://dx.doi.org/10.1039/c6dt00614k.

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Four 3d–4f–4(5)d heterotrimetallic complexes, [L²CuLn(H₂O)₅(μ-NC)M(CN)₇], were obtained from the association of the binuclear 3d–4f complexes and {M^V(CN)₈}³⁻ metalloligands.

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8

Rohini, Rohini, Minati Baral, and B. K. Kanungo. "Comparative studies of the electronic, binding and photophysical properties of a new nona-dentate hemi-cage tripodal HQ pendant trizaza-macrocycle with unfilled, half-filled and completely filled lanthanide ions." New Journal of Chemistry 42, no. 19 (2018): 16040–59. http://dx.doi.org/10.1039/c8nj02217h.

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The present paper describes the comparative studies of the electronic, photophysical and binding properties of a new C₃-symmetric polydentate ligand and its complexes with 4f⁰, 4f⁷, and 4f¹⁴ metal ions (La³⁺, Gd³⁺, and Lu³⁺).

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9

Smola, Sergiy, Natalya Rusakova, Elena Martsinko, Inna Seifullina, and Yuriy Korovin. "Spectroscopic Properties of the Ln-Ge Complexes with Diethylenetriaminepentaacetic Acid." Chemistry Journal of Moldova 2, no. 1 (December 2007): 83–87. http://dx.doi.org/10.19261/cjm.2007.02(1).10.

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Four new heteronuclear lanthanide complexes with general formula [Ge(OH)(μ-HDTPA)LnGe(OH) (μ-DTPA)] (Ln = Sm – Dy) were synthesized and subsequently characterized by different physico- chemical methods. The structures of new compounds have been proposed. In considered complexes the 4f-luminescence of three-charged ions of samarium, europium, terbium and dysprosium is realized at UV-excitation. It is noteworthy that it is the first observation of 4f-luminescence in water solutions of heteronuclear f-p-complexes. The comparison of luminescent characteristics of hetero- and homonuclear landthanide complexes is described and discussed as well.

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10

Costisor,, Otilia, and Wolfgang Linert,. "On Polynuclear Complexes in 3d-4f System." Reviews in Inorganic Chemistry 25, no. 1 (January 2005): 13–54. http://dx.doi.org/10.1515/revic.2005.25.1.13.

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11

Costes, Jean-Pierre, and Franck Nicodème. "Unequivocal Synthetic Pathway to Heterodinuclear (4f,4f′) Complexes: Magnetic Study of Relevant (LnIII, GdIII) and (GdIII, LnIII) Complexes." Chemistry - A European Journal 8, no. 15 (August 2, 2002): 3442. http://dx.doi.org/10.1002/1521-3765(20020802)8:15<3442::aid-chem3442>3.0.co;2-z.

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12

Smola, Serhii, Natalia Rusakova, Olena Alekseeva, Stepan Basok, Tatiana Kirichenko, Oleksandr Korovin, Olena Malinka, and Nikolay Semenishyn. "STRUCTURE AND SPECTRAL-LUMUINESCENT PROPERTIES OF LANTHANIDE-CONTAINING COMPLEXES WITH AZACROWN CALIXARENES." Ukrainian Chemistry Journal 87, no. 10 (November 26, 2021): 103–15. http://dx.doi.org/10.33609/2708-129x.87.10.2021.103-115.

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Lanthanide complexes with calix[4]arenes lower rim substituted with two azacrown ether fragments are reported. The size of the substituent cavity varied from 4 to 6 heteroatoms. The complexes were analyzed by means of IR, NMR, ESI mass spectroscopy. It is assumed that the coordination of Ln(III) ions occurs through the donor atoms of the lower rim; the counter anion and solvent molecule are also coordinated. Lanthanide-centered characteristic luminescence was observed in Eu(III), Tb(III) and Yb(III) complexes. The most efficient 4f-luminescence is observed for terbium-containing complexes with benzo-crown-derived ligands. The pathways of the sensitization of 4f-luminescence are discussed.

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13

Pu, Lu-Mei, Lan Wang, Xiao-Yan Li, Yin-Xia Sun, Quan-Peng Kang, Hai-Tao Long, Wei-Bing Xu, and Wen-Kui Dong. "Four rare structurally characterized hetero-pentanuclear [Zn4Ln] bis(salamo)-type complexes: syntheses, crystal structures and spectroscopic properties." RSC Advances 9, no. 64 (2019): 37331–43. http://dx.doi.org/10.1039/c9ra07423f.

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14

Peng, Guo, Ying-Ying Zhang, Bo Li, Xiao-Fan Sun, Hong-Ling Cai, De-Jing Li, Zhi-Gang Gu, and George E. Kostakis. "Single molecule magnetic behaviour in lanthanide naphthalenesulfonate complexes." Dalton Transactions 47, no. 48 (2018): 17349–56. http://dx.doi.org/10.1039/c8dt03613f.

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15

Zhao, Xiao-Qing, Jin Wang, Dong-Xu Bao, Shuo Xiang, Ya-Jun Liu, and Yun-Chun Li. "The ferromagnetic [Ln2Co6] heterometallic complexes." Dalton Transactions 46, no. 7 (2017): 2196–203. http://dx.doi.org/10.1039/c6dt04375e.

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Four 3d–4f [Ln₂Co₆] complexes were fabricated. [Dy₂Co₆] (1) and [Ho₂Co₆] (2) displayed ferromagnetic coupling, and [Dy₂Co₆] (1) exhibited slow magnetic relaxation.

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16

Leverd, Pascal C., David Rinaldo, and Martine Nierlich. "Crystal structure determination of 4f–5f heterometallic complexes." Journal of the Chemical Society, Dalton Transactions, no. 6 (February 13, 2002): 829–31. http://dx.doi.org/10.1039/b200199n.

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17

Musikas, C., and J. Livet. "5f and 4f ion complexes with dibutylphosphate ions." Inorganica Chimica Acta 140 (December 1987): 257–59. http://dx.doi.org/10.1016/s0020-1693(00)81096-8.

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18

Dey, Atanu, Joydev Acharya, and Vadapalli Chandrasekhar. "Heterometallic 3d–4f Complexes as Single‐Molecule Magnets." Chemistry – An Asian Journal 14, no. 24 (August 23, 2019): 4433–53. http://dx.doi.org/10.1002/asia.201900897.

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19

Siebold, Matthias, Sascha Eidner, Alexandra Kelling, Michael U. Kumke, Uwe Schilde, and Peter Strauch. "Pentanuclear Heterobimetallic 3d-4f-Complexes – Structure and Luminescence." Zeitschrift für anorganische und allgemeine Chemie 632, no. 12-13 (September 2006): 1963–65. http://dx.doi.org/10.1002/zaac.200600149.

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20

Escobedo-Cruz, Francisco V., and Timothy Hughbanks. "New coordination networks containing trinuclear lanthanide complexes and hexacyanometallates." Dalton Transactions 47, no. 19 (2018): 6831–41. http://dx.doi.org/10.1039/c7dt02541f.

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21

Ibersiene, Fatima, Camille Latouche, Claudine Katan, and Abdou Boucekkine. "On the contribution of f electrons to the quadratic hyperpolarizability: the case of lanthanide terpyridyl complexes." Physical Chemistry Chemical Physics 20, no. 11 (2018): 7401–6. http://dx.doi.org/10.1039/c8cp00853a.

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22

Dalla-Favera, Natalia, Josef Hamacek, Michal Borkovec, Damien Jeannerat, Gianfranco Ercolani, and Claude Piguet. "Tuneable Intramolecular Intermetallic Interactions as a New Tool for Programming Linear Heterometallic 4f−4f Complexes." Inorganic Chemistry 46, no. 22 (October 2007): 9312–22. http://dx.doi.org/10.1021/ic701308h.

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23

Bezzubov, Stanislav I., Andrei V. Churakov, Yuriy A. Belousov, Alfiya A. Bilyalova, Maria A. Lavrova, Irina S. Zharinova, Yuri M. Kiselev, and Vladimir D. Dolzhenko. "l-Alanine/Nickel-Induced Size Sorting of Lanthanide(III) Ions in 4f–4f′ Heterometallic Complexes." Crystal Growth & Design 17, no. 3 (February 10, 2017): 1166–72. http://dx.doi.org/10.1021/acs.cgd.6b01563.

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24

Yang, Xiaoping, Richard A. Jones, and Shaoming Huang. "Luminescent 4f and d-4f polynuclear complexes and coordination polymers with flexible salen-type ligands." Coordination Chemistry Reviews 273-274 (August 2014): 63–75. http://dx.doi.org/10.1016/j.ccr.2013.11.012.

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25

Canaj, Angelos B., Dimitris A. Kalofolias, Milosz Siczek, Tadeusz Lis, Robbie McNab, Giulia Lorusso, Ross Inglis, Marco Evangelisti, and Constantinos J. Milios. "Tetradecanuclearity in 3d–4f chemistry: relaxation and magnetocaloric effects in [NiII6LnIII8] species." Dalton Transactions 46, no. 11 (2017): 3449–52. http://dx.doi.org/10.1039/c7dt00102a.

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26

Blois, Lucca, Albano N. Carneiro Neto, Ricardo L. Longo, Israel F. Costa, Tiago B. Paolini, Hermi F. Brito та Oscar L. Malta. "Об экспериментальном определении параметров интенсивности 4f-4f-переходов по спектрам излучения соединений европия (III)". Оптика и спектроскопия 130, № 1 (2022): 207. http://dx.doi.org/10.21883/os.2022.01.51909.35-21.

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Eu3+ complexes and specially β-diketonate compounds are well known and studied in several areas due to their luminescence properties, such as sensors and lightning devices. A unique feature of the Eu3+ ion is the experimental determination of the 4f-4f intensity parameters Ωλ directly from the emission spectrum. The equations for determining Ωλ from the emission spectra are different for the detection of emitted power compared to modern equipment that detects photons per second. It is shown that the differences between Ωλ determined by misusing the equations are sizable for Ω4 (ca. 15.5%) for several Eu3+β-diketonate complexes and leads to differences of ca. 5% in the intrinsic quantum yields Q_Ln^Ln. Due to the unique features of trivalent lanthanide ions, such as the shielding of 4f-electrons, which lead to small covalency and crystal field effects, a linear correlation was observed between Ωλ obtained using the emitted power and photon counting equations. We stress that care should be exercised with the type of detection should be taken and provide the correction factors for the intensity parameters. In addition, we suggest that the integrated intensity (proportional to the areas of the emission band) and the centroid (or barycenter) of the transition for obtaining Ωλ should be determined in the properly Jacobian-transformed spectrum in wavenumbers (or energy). Due to the small widths of the emission bands of typical 4f-4f transitions, the areas and centroids of the bands do not depend on the transformation within the experimental uncertainties. These assessments are relevant because they validate previously determined Ωλ without the proper spectral transformation.

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27

Semenishyn, Nikolay, Serhii Smola, Mariia Rusakova, and Natalia Rusakova. "4f-LUMINESCENCE OF LANTHANIDE IONS IN REGIOISOMERIC CORROLE COMPLEXES." Ukrainian Chemistry Journal 87, no. 9 (October 25, 2021): 35–44. http://dx.doi.org/10.33609/2708-129x.87.09.2021.35-44.

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Isomeric ditopic corroles and complexes of Yb (III), Nd (III) and Er (III) based on them were synthesized and corrole-photosensitized 4f-luminescence in near infrared region was revealed. The structure of isomeric complexes allows adjusting the distance between the corrole core and lanthanide ion. The obtained results show that the sensitization mechanism changes drastically for both different lanthanides and isomeric forms.

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28

Li, Xiao-Yan, Quan-Peng Kang, Chang Liu, Yang Zhang, and Wen-Kui Dong. "Structurally characterized homo-trinuclear ZnII and hetero-pentanuclear [ZnII4LnIII] complexes constructed from an octadentate bis(Salamo)-based ligand: Hirshfeld surfaces, fluorescence and catalytic properties." New Journal of Chemistry 43, no. 11 (2019): 4605–19. http://dx.doi.org/10.1039/c9nj00014c.

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One 3d and five 3d-4f complexes were synthesized. Complexes 1–6 were characterized via elemental analyses, FT-IR, UV-Vis spectroscopy and X-ray crystallography, and their fluorescence properties, catalytic activities and Hirshfeld surface analyses were studied.

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29

Khan, Azad A., H. A. Hussain, and K. Iftikhar. "4f–4f absorption spectra of nine-coordinate Pr (III) and Nd (III) complexes in different environments." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 59, no. 5 (March 2003): 1051–59. http://dx.doi.org/10.1016/s1386-1425(02)00277-9.

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30

Chakraborty, Amit, Joydeb Goura, Pankaj Kalita, Abinash Swain, Gopalan Rajaraman, and Vadapalli Chandrasekhar. "Heterometallic 3d–4f single molecule magnets containing diamagnetic metal ions." Dalton Transactions 47, no. 27 (2018): 8841–64. http://dx.doi.org/10.1039/c8dt01883a.

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31

Gao, Guoshu, Li Wang, Ruilian Zhang, Cong Xu, Huan Yang, and Weisheng Liu. "Hexanuclear 3d–4f complexes as efficient catalysts for converting CO2 into cyclic carbonates." Dalton Transactions 48, no. 12 (2019): 3941–45. http://dx.doi.org/10.1039/c8dt05048a.

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32

Rosado Piquer, L., S. Dey, L. Castilla-Amorós, S. J. Teat, J. Cirera, G. Rajaraman, and E. C. Sañudo. "Microwave assisted synthesis of heterometallic 3d–4f M4Ln complexes." Dalton Transactions 48, no. 33 (2019): 12440–50. http://dx.doi.org/10.1039/c9dt02567g.

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Анотація:

We describe the solvent-free microwave assisted synthesis and magnetic properties of a series of 3d–4f complexes of formula [M₄Ln(OH)₂(chp)₄(SALOH)₅(H₂O)(MeCN)(Solv)] (Solv = MeOH, MeCN, H₂O, M = Ni(ii), Co(ii); Ln = La, Gd, Dy, Tb).

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33

Schelter, Eric J., Jacqueline M. Veauthier, Joe D. Thompson, Brian L. Scott, Kevin D. John, David E. Morris, and Jaqueline L. Kiplinger. "4f−5f Heterotrimetallic Complexes Exhibiting Electrochemical and Magnetic Communication." Journal of the American Chemical Society 128, no. 7 (February 2006): 2198–99. http://dx.doi.org/10.1021/ja057808+.

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34

Misra, Sudhindra N., and Shaun O. Sommerer. "The ligand mediated pseudohypersensitivity of the 3H4 → 3P2, 3H4 → 3P1, 3H4 → 3P0, and 3H4 → 1D2 transitions of praseodymium(III) complexes in solution media." Canadian Journal of Chemistry 70, no. 1 (January 1, 1992): 46–54. http://dx.doi.org/10.1139/v92-009.

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The absorption difference, comparative absorption spectrophotometry, and quantitative analysis of 4f–4f spectra of praseodymium(III) complexes with ligands possessing varying structural features and binding capabilities have clearly indicated that the 3H4 → 3P2, 3H4 → 3P1, 3H4 → 3P0, and 3H4 → 1D2 transitions exhibit substantial intensification as well as a wide variation of oscillator strength. Since these transitions do not follow the selection rules they cannot be considered hypersensitive. Ligands such as β-diketones, Schiff bases, amino acids, diols, nucleic bases, nucleosides, nucleotides, alkoxides, and haloacetates with widely differing binding features in terms of coordinating ability, denticity, and normalized bite appear to induce, to varying degrees, high sensitivity in these non-hypersensitive transitions. The present article reports the high sensitivity of the 3H4 → 3P2, 3P1, 3P0, and 1D2, transitions of Pr(III) by considering the solution spectra of 173 species. This unique sensitivity is termed Ligand Mediated Pseudohypersensitivity. Keywords: praseodymium(III), 4f–4f transitions, hypersensitive transitions.

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35

Zhu, Mei, Juanjuan Wang, Meng Yang, Yue Ma, and Licun Li. "Slow magnetic relaxation in two-dimensional 3d–4f complexes based on phenyl pyrimidyl substituted nitronyl nitroxide radicals." Dalton Transactions 44, no. 21 (2015): 9815–22. http://dx.doi.org/10.1039/c4dt03330b.

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36

Kitagawa, Yuichi, Pedro Paulo Ferreira da Rosa та Yasuchika Hasegawa. "Charge-transfer excited states of π- and 4f-orbitals for development of luminescent Eu(iii) complexes". Dalton Transactions 50, № 42 (2021): 14978–84. http://dx.doi.org/10.1039/d1dt03019a.

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37

Semenishyn, N. N. "LANTHANIDE COMPLEXES WITH REGIOISOMERS OF CHLORO-SUBSTITUTED TETRAPHENYLPORPHYRIN." Odesa National University Herald. Chemistry 26, no. 3(79) (November 24, 2021): 27–36. http://dx.doi.org/10.18524/2304-0947.2021.3(79).240750.

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Several isomeric complexes of Yb (III) and Lu(III) with H2tpp and its tetrachloro-substituted derivatives were synthesized. Symmetrical ortho-, meta- and para-positioning of four heavy atoms allows to study their effect on emission features of complexes. Obtained results show the rise of 4f-luminescence effectiveness in the row ortho-meta-para isomers.

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38

Zhu, Mei, Dingshuo Lou, Xiaochun Deng, Li Zhang, Wei Zhang, and Yaohong Lü. "A functional nitroxide ligand builds up two 2p–3d complexes with different spin ground states and a 2p–3d–4f chain of rings." CrystEngComm 20, no. 18 (2018): 2583–92. http://dx.doi.org/10.1039/c8ce00178b.

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39

Santria, Anas, Akira Fuyuhiro, Takamitsu Fukuda, and Naoto Ishikawa. "Determination of ligand field splitting in lanthanide(iii) monoporphyrinato complexes." Dalton Transactions 48, no. 22 (2019): 7685–92. http://dx.doi.org/10.1039/c9dt00915a.

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Анотація:

The 4f-electronic structures of the ground multiplet states of a series of [Ln(TPP)(cyclen)]Cl (Ln = Tb, Dy, Ho, Er, Tm, and Yb; TPP = 5,10,15,20-tetraphenylporphyrinato; cyclen = 1,4,7,10-tetraazacyclododecane) have been determined using experimental NMR and magnetic susceptibility data.

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40

Ilmi, Rashid, Aabid Bashir Ganaie, and K. Iftikhar. "1H NMR of paramagnetic Lanthanide(III) complexes of trifluoroacetylacetone and 2,2′-Bipyridyl and 4f-4f absorption studies." Journal of Molecular Structure 1173 (December 2018): 990–99. http://dx.doi.org/10.1016/j.molstruc.2018.07.046.

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41

Costes, Jean-Pierre, Françoise Dahan, and Franck Nicodème. "Structure-Based Description of a Step-by-Step Synthesis of Homo- and Heterodinuclear (4f, 4f ‘) Lanthanide Complexes." Inorganic Chemistry 42, no. 20 (October 2003): 6556–63. http://dx.doi.org/10.1021/ic034564q.

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42

Yang, Xiaoping, Richard A. Jones, and Shaoming Huang. "ChemInform Abstract: Luminescent 4f and D-4f Polynuclear Complexes and Coordination Polymers with Flexible Salen-Type Ligands." ChemInform 46, no. 50 (November 26, 2015): no. http://dx.doi.org/10.1002/chin.201550210.

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43

Blois L., Carneiro Neto A. N., Longo R. L., Costa I. F., Paolini T. B., Brito H. F., and Malta O. L. "35-21." Optics and Spectroscopy 132, no. 1 (2022): 195. http://dx.doi.org/10.21883/eos.2022.01.53006.35-21.

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Анотація:

Eu3+ complexes and specially β-diketonate compounds are well known and studied in several areas due to their luminescence properties, such as sensors and lightning devices. A unique feature of the Eu3+ ion is the experimental determination of the 4f-4f intensity parameters Ωλ directly from the emission spectrum. The equations for determining Ωλ from the emission spectra are different for the detection of emitted power compared to modern equipment that detects photons per second. It is shown that the differences between Ωλ determined by misusing the equations are sizable for Ω4 (ca. 15.5%) for several Eu3+β-diketonate complexes and leads to differences of ca. 5% in the intrinsic quantum yields Q_Ln^Ln. Due to the unique features of trivalent lanthanide ions, such as the shielding of 4f-electrons, which lead to small covalency and crystal field effects, a linear correlation was observed between Ωλ obtained using the emitted power and photon counting equations. We stress that care should be exercised with the type of detection should be taken and provide the correction factors for the intensity parameters. In addition, we suggest that the integrated intensity (proportional to the areas of the emission band) and the centroid (or barycenter) of the transition for obtaining Ωλ should be determined in the properly Jacobian-transformed spectrum in wavenumbers (or energy). Due to the small widths of the emission bands of typical 4f-4f transitions, the areas and centroids of the bands do not depend on the transformation within the experimental uncertainties. These assessments are relevant because they validate previously determined Ωλ without the proper spectral transformation.

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44

Latendresse, Trevor P., Veacheslav Vieru, Apoorva Upadhyay, Nattamai S. Bhuvanesh, Liviu F. Chibotaru, and Michael Nippe. "Trends in trigonal prismatic Ln-[1]ferrocenophane complexes and discovery of a Ho3+ single-molecule magnet." Chemical Science 11, no. 15 (2020): 3936–51. http://dx.doi.org/10.1039/d0sc01197e.

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Анотація:

Lanthanide ferrocenophanes are an intriguing class of organometallic complexes that feature rare six-coordinate trigonal prismatic coordination environments of 4f elements with close intramolecular proximity to iron ions.

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45

Abdus Subhan, Md, Ryouji Kawahata, Hiroyasu Nakata, Akira Fuyuhiro, Toshiaki Tsukuda, and Sumio Kaizaki. "Synthesis, structure and spectroscopic properties of chloranilate-bridged 4f–4f dinuclear complexes: a comparative study of the emission properties with Cr–Ln complexes." Inorganica Chimica Acta 357, no. 11 (August 2004): 3139–46. http://dx.doi.org/10.1016/j.ica.2004.03.032.

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46

Li, Meng-Hua, Ming-Hua You, and Mei-Jin Lin. "Photochromism and photomagnetism in three cyano-bridged 3d–4f heterobimetallic viologen frameworks." Dalton Transactions 50, no. 14 (2021): 4959–66. http://dx.doi.org/10.1039/d0dt04358c.

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Анотація:

Three 3-D isostructural cyanide-bridged 3d–4f heterobimetallic complexes with enhanced photochromism and photomagnetism at RT have been achieved by the introduction of a photoactive viologen functionalized ligand.

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47

Bag, Riya, Yeasin Sikdar, Pinaki Saha, Prasanta Ghosh, Michael G. B. Drew, Jinkui Tang, and Sanchita Goswami. "Enhancement of the coordinating flexibility in a Schiff–Mannich combo ligand: forced generation of a new NiII–Ophenoxo–LnIII–Oalkoxo–LnIII array (Ln = Gd, Tb, Dy and Ho)." New Journal of Chemistry 45, no. 11 (2021): 5258–65. http://dx.doi.org/10.1039/d0nj05812b.

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48

Costes, J. P., F. Dahan, A. Dupuis, S. Lagrave, and J. P. Laurent. "Homo- (4f, 4f) and Heterodimetallic (4f, 4f‘) Complexes. The First Structurally Characterized Example of a Heterodimetallic (Yb, La) Complex (1‘). Magnetic Properties of1‘and of a Homodinuclear (Gd, Gd) Analogue." Inorganic Chemistry 37, no. 1 (January 1998): 153–55. http://dx.doi.org/10.1021/ic9712481.

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49

Braatz, Alexander D., Mark R. Antonio, and Mikael Nilsson. "Structural study of complexes formed by acidic and neutral organophosphorus reagents." Dalton Transactions 46, no. 4 (2017): 1194–206. http://dx.doi.org/10.1039/c6dt04305d.

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Анотація:

The coordination of the trivalent 4f ions, Ln = La³⁺, Dy³⁺, and Lu³⁺, with neutral and acidic organophosphorus reagents, both individually and combined, was studied by use of X-ray absorption spectroscopy.

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50

Arana, L. Ruiz, P. Lindenberg, H. Said, M. Radke, N. Heidenreich, C. S. Cunha, S. Leubner, and H. Terraschke. "Monitoring the mechanism of formation of [Ce(1,10-phenanthroline)2(NO3)3] by in situ luminescence analysis of 5d–4f electronic transitions." RSC Advances 7, no. 83 (2017): 52794–800. http://dx.doi.org/10.1039/c7ra07488c.

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Анотація:

The mechanism of formation of emitting complexes is efficiently elucidated by in situ luminescence measurements of 5d–4f electronic transitions from the early stages of the reaction until the final product crystallization.

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