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Academic literature on the topic 'Coordination compunds'
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Journal articles on the topic "Coordination compunds"
Kucharska-zoń, Maria, Walter Wojciechowski, and Jerzy Zoń. "Magnetic Properties of Coordination Compunds of 1-Aminólkylphosphonic Acids with Cobat(II)." Phosphorus, Sulfur, and Silicon and the Related Elements 147, no. 1 (January 1, 1999): 461. http://dx.doi.org/10.1080/10426509908053710.
Full textDeilami, Sara. "Online Coordination of Plug-In Electric Vehicles Considering Grid Congestion and Smart Grid Power Quality." Energies 11, no. 9 (August 21, 2018): 2187. http://dx.doi.org/10.3390/en11092187.
Full textIacopetta, Maurizio. "THE EMERGENCE OF MONEY: A DYNAMIC ANALYSIS." Macroeconomic Dynamics 23, no. 07 (December 18, 2017): 2573–96. http://dx.doi.org/10.1017/s1365100517000815.
Full textRoijers, Diederik Marijn, Shimon Whiteson, and Frans A. Oliehoek. "Computing Convex Coverage Sets for Faster Multi-objective Coordination." Journal of Artificial Intelligence Research 52 (March 31, 2015): 399–443. http://dx.doi.org/10.1613/jair.4550.
Full textRanganathan, Radha, and Kathiravan Kannan. "Enhancing the Selection of Backoff Interval Using Fuzzy Logic over Wireless Ad Hoc Networks." Scientific World Journal 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/680681.
Full textKoralewski, Tomasz E., Hsiao-Hsuan Wang, William E. Grant, Michael J. Brewer, Norman C. Elliott, John K. Westbrook, Adrianna Szczepaniec, Allen Knutson, Kristopher L. Giles, and J. P. Michaud. "Integrating Models of Atmospheric Dispersion and Crop-Pest Dynamics: Linking Detection of Local Aphid Infestations to Forecasts of Region-Wide Invasion of Cereal Crops." Annals of the Entomological Society of America 113, no. 2 (February 11, 2020): 79–87. http://dx.doi.org/10.1093/aesa/saz047.
Full textGODDARD, WAYNE, and PRADIP K. SRIMANI. "SELF-STABILIZING MASTER–SLAVE TOKEN CIRCULATION AND EFFICIENT SIZE-COMPUTATION IN A UNIDIRECTIONAL RING OF ARBITRARY SIZE." International Journal of Foundations of Computer Science 23, no. 04 (June 2012): 763–77. http://dx.doi.org/10.1142/s0129054112400357.
Full textZhang, Peixin, Caizhen Zhu, Dongyun Zhang, Qi Qiu, Xiangzhong Ren, and Jianhong Liu. "Molecular dynamic studies on MgO–Al2O3–SiO2 glass-ceramics." Journal of Materials Research 23, no. 11 (November 2008): 2897–908. http://dx.doi.org/10.1557/jmr.2008.0367.
Full textKrumm, John, and Eric Horvitz. "Traffic Updates: Saying a Lot While Revealing a Little." Proceedings of the AAAI Conference on Artificial Intelligence 33 (July 17, 2019): 986–95. http://dx.doi.org/10.1609/aaai.v33i01.3301986.
Full textGUO, DAIQI, SHENGZHENG KUAI, WENYU ZHOU, XINYU GUAN, ZHENHUA LIAO, WEIQIANG LIU, and DAPING WANG. "INTERSEGMENTAL COORDINATION IN LOWER EXTREMITIES AND MULTI-SEGMENTAL SPINE DURING DIFFERENT ACTIVITIES OF DAILY LIVING." Journal of Mechanics in Medicine and Biology 17, no. 07 (November 2017): 1740015. http://dx.doi.org/10.1142/s0219519417400152.
Full textDissertations / Theses on the topic "Coordination compunds"
Cordes, David B., and n/a. "Supramolecular transition metal architectures." University of Otago. Chemistry Department, 2005. http://adt.otago.ac.nz./public/adt-NZDU20060705.144929.
Full text"The coordination chemistry of sterically bulky guanidinate ligands with chromium and the lanthanide metals." 2014. http://library.cuhk.edu.hk/record=b6115525.
Full text第一章概括介紹了由胍基配體所構築的金屬配合物的研究背景。
第二章敍述了含 L¹ 與 L⁴ 的二價鉻配合物的合成、結構及其化學反應。 通過胍基鉀化合物 [KL¹・0.5PhMe] (1) 與二氯化鉻反應可得到單核二價鉻雙胍基配合物 [Cr(L¹)₂] (3)。 通過胍基鋰化合物 [LiL⁴(Et₂O)] (2) 與二氯化鉻反應,成功製備了單胍基二價鉻配合物 [Cr(L⁴)(μ-Cl)₂Li(THF)(Et₂O)] (4)。 而把二價鉻配合物 4於甲苯溶液中重結晶可得到二聚體的二價鉻配合物 [{Cr(L⁴)(μ-Cl)}₂] (5)。 另外,我們對二價鉻配合物 3 及 4 的反應特性也進行了研究。 [Cr(L¹)₂] (3) 與單質碘、二苯基硫族化合物 PhEEPh (E = S, Se, Te) 以及叠氮金剛烷反應可得相對應的三價鉻混合配體化合物,分別爲 [Cr(L¹)₂I] (6)、[Cr(L¹)₂(EPh)] [E = S (7), Se (8), Te (9)],及四價鉻配合物 [Cr(L¹)₂{N(1-Ad)}] (10)。 透過單胍基二價鉻配合物 [Cr(L⁴)(μ-Cl)₂Li(THF)(Et₂O)] (4) 與 NaOMe反應可得甲氧基-胍基配合物 [{Cr(L⁴)(μ-OMe)}₂] (11)。
第三章主要報導含 L¹, L², L³ 和 L⁵ 配基的二價鑭系配合物的合成、結構和化學反應特性。 透過 [LnI₂(THF)₂] (Ln = Sm, Eu, Yb) 與胍基鉀鹽反應,我們成功合成一系列二價鑭系絡合物,包括 [{Eu(L¹)(μ-L¹)}₂] (15), [{Ln(L²)(μ-L²)}₂・nC₆H₁₄] [Ln = Eu, n = 2 (16); Ln = Yb, n = 0 (17),[Yb(L²)₂(THF)₂] (18), [Ln(L³)₂(THF)₂・0.25C₆H₁₄] [Ln = Eu (19), Yb (20)], [{Sm(L³)(μ-I)(THF)}₂] (21) 和 [Sm(L⁵)₂] (22)。 本章亦同時探討二價鑭系配合物15, 18, 20 和 22 作爲還原劑的化學反應特性。 配合物 15 與單質碘反應可得三價銪配合物 [{Eu(L¹)₂(μ-I)}₂] (23)。 配合物 18 與二苯基硫族化合物 PhEEPh (E = S, Se) 反應,可得相對應的三價鐿配合物 [{Yb(L²)₂(μ-EPh)}₂] [E = S (24), Se (25)]。 18 與氯化亞銅反應得到三價鐿配合物 [{Yb(L²)₂(μ-Cl)}₂] (26)。 除此之外,配合物 18 與偶氮苯反應得到雙核配合物 [{Yb(L²)₂}₂(μ-η²:η²-PhNNPh)] (27), 而 20 與偶氮苯的反應可得單核配合物 [Yb(L³)₂(η²-PhNNPh)・PhMe] (28)。 配合物 22 與二硫化碳的反應得出不對稱偶合配合物 [(L⁵)₂Sm(μ-η³:η²-S₂CSCS)Sm(L⁵)₂] (29)。
第四章敍述由胍基配體 L¹ 所衍生的一系列三價鑭系金屬配合物 [Ln(L¹)₃] [Ln = Ce (30), Pr (31), Gd (32), Tb (33), Ho (34), Er (35), Tm (36)] 的合成及其結構。 通過相對應的鑭系金屬三氯化物與 1 反應可得配合物 30-36。 另外, CeCl₃及 LuCl₃與 1 反應亦可合成 [{Ln(L¹)₂(μ-Cl)}₂] [Ln = Ce (37), Lu (38)]。
第五章總結了本項研究工作,並對本工作的未來發展作出建議。
This research work is focused on the coordination chemistry of five closely related guanidinate ligands, namely [(2,6-Me₂C₆H₃N)C(NHPri)(NPri)]⁻ (L¹), [(2,6-Me₂C₆H₃N)C(NHCy)(NCy)]⁻ (L²), [(2,6Me₂C₆H₃N)C{N(SiMe₃)Cy}(NCy)]⁻ (L³), [(2,6Pri₂C₆H₃N)C{N(SiMe₃)₂}(NC₆H₃Pri₂-2,6)]⁻ (L⁴) and [(2,6-Pri₂C₆H₃N)C(NEt₂)(NC₆H₃Pri₂-2,6)]⁻ (L⁵), with divalent chromium and lanthanide metal ions. A series of trivalent lanthanide derivatives of the L¹ ligand were also prepared and structurally characterized in this work.
Chapter 1 gives a brief introduction to the chemistry of metal guanidinate complexes.
Chapter 2 reports on the synthesis, structure and reactivity of chromium(II) complexes derived from the bulky L¹ and L⁴ ligands. Treatment of CrCl₂ with [KL¹・0.5PhMe] (1) afforded the mononuclear Cr(II) bis(guanidinate) complex [Cr(L¹)₂] (3). Reaction of CrCl₂ with [LiL⁴(Et₂O)] (2) resulted in the isolation of ate-complex [Cr(L⁴)(μ-Cl)₂Li(THF)(Et₂O)] (4). Recrystallization of 4 from toluene gave neutral, dimeric [{Cr(L⁴)(μ-Cl)}₂] (5). The reaction chemistry of the Cr(II) complex 3 and 4 was studied. Treatment of 3 with I₂, PhEEPh (E = S, Se, Te), 1-AdN₃ (1-Ad = 1-adamantyl) gave the corresponding mixed-ligand Cr(III) complexes, namely [Cr(L¹)₂I] (6) and [Cr(L¹)₂(EPh)] [E = S (7), Se (8), Te (9)] and Cr(IV) complex [Cr(L¹)₂{N(1-Ad)}] (10). Besides, the reaction of 4 with NaOMe resulted in the isolation of the Cr(II) methoxide-guanidinate complex [{Cr(L⁴)(μ-OMe)}₂] (11).
Chapter 3 deals with the synthesis, structure and reactivity of lanthanide(II) complexes supported by the L¹, L², L³ and L⁵ ligands. Lanthanide(II) guanidinate complexes were prepared by the reactions of an appropriate lanthanide diiodide with the corresponding potassium guanidinate complexes [KL¹・0.5PhMe] (1), [KL²(THF)₀.₅]n (12), KL³ (13) and [KL⁵(THF)₂] (14). Reaction of EuI₂(THF)₂ with 1 gave the homoleptic complex [{Eu(L¹)(μ-L¹)}₂] (15). Metathesis reactions of LnI₂(THF)₂ (Ln = Yb, Eu) with 12 and 13 led to the isolation of [{Ln(L²)(μ-L²)}₂・nC₆H₁₄] [Ln = Eu, n = 2 (16); Ln = Yb, n = 0 (17)], [Yb(L²)₂(THF)₂] (18) and [Ln(L³)₂(THF)₂・0.25C₆H₁₄] [Ln = Eu (19), Yb (20)]. Direct reaction of SmI₂(THF)₂ with 13 yielded the iodide bridged Sm(II) complex [{Sm(L³)(μ-I)(THF)}₂] (21), whilst reaction of SmI₂(THF)₂ with 14 gave homoleptic [Sm(L⁵)₂] (22). The reaction chemistry of 15, 18, 20 and 22 as reducing agents was examined. Oxidation of 15 with I₂ afforded the Eu(III) complex [{Eu(L¹)₂(μ-I)}₂] (23). Reactions of 18 with PhEEPh (E = S, Se) gave the corresponding Yb(III) chalcogenide complexes [{Yb(L²)₂(μ-EPh)}₂] [E = S (24), Se (25)], whilst treatment of 18 with CuCl led to the isolation of [{Yb(L²)₂(μ-Cl)}₂] (26). Besides, addition of complex 18 to PhNNPh yielded binuclear [{Yb(L²)₂}₂(μ-η²:η²-PhNNPh)] (27), whereas treatment of 20 with PhNNPh resulted in the isolation of mononuclear [Yb(L³)₂(η²-PhNNPh)・PhMe] (28). Addition of CS₂ to 22 gave the unsymmetrical coupling product [(L⁵)₂Sm(μ-η³:η²S₂CSCS)Sm(L⁵)₂] (29).
Chapter 4 describes the preparation and structural characterization of lanthanide(III) complexes derived from L¹. A series of homoleptic lanthanide(III) tris(guanidinate) complexes [Ln(L¹)₃] [Ln = Ce (30), Pr (31), Gd (32), Tb (33), Ho (34), Er (35), Tm (36)] were prepared by the reactions of an appropriate LnCl₃ with three molar equivalents of 1. Treatment of CeCl₃ and LuCl₃ with two equivalents of 1 gave the corresponding chloride bridged guanidinate complexes [{Ln(L¹)₂(μ-Cl)}₂] [Ln = Ce (37), Lu (38)].
Chapter 5 summarizes the findings of this study. A short description on the future prospect of this work will also be given.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Au, Chi Wai.
Thesis (Ph.D.) Chinese University of Hong Kong, 2014.
Includes bibliographical references.
Abstracts also in Chinese.