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Syntheses and crystal structures of mononuclear rhodium hydrido complexes from the reactions of [Rh(H)(2)(PPh3)(2)(EtOH)(2)]ClO4 with various nitrogen ligands
Yu, XY; Maekawa, M; Morita, T; Chang, HC; Kitagawa, S; Jin, GX
2002-07-01
Source PublicationPOLYHEDRON
ISSN0277-5387
Volume21Issue:16Pages:1613-1620
AbstractReactions of the Rh hydrido complex [Rh(H)(2)(PPh3)(2)(EtOH)(2)]ClO4 (1) With nitrogen ligands such as 2-(4-thiazolyl)benzimidazole (tbz). pyridazine (pdz), imidazole (im) and pyrimidine (pmd) in CH,Cl, afforded Various mononuclear Rh hydrido complexes, [Rh(H)(2)(PPh3)(2)(tbz)]CIO4 (2), [Rh(H)(2)(PPh3)(2)(pdZ)(2)]ClO(4)(.)2CH(2)Cl(2) (3). [Rh(H)Cl(PPh3)(2)(pdz)(2)](ClO4CH2Cl2)-C-. (4). [Rh(H)(2)(PPh3)(2)(im)(2)]ClO(4)(.)2CH(2)Cl(2) (5). [Rh(H)Cl(PPh3)(2)(im)(2)](ClO4CH2Cl2)-C-. (6). [Rh(H)(2)(PPh3)(2)(pmd)(2)](ClO4CH2Cl2)-C-. (7) and the Rh non-hydrido complex [RhCl2(pmd)(4)]ClO4 (8). The Rh complexes 2. 3, 5 and 6 were crystallographically characterized. The formation process was monitored by H-1 NMR and UV-Vis spectra. In all the Rh hydrido complexes, the Rh atom is coordinated by two PPh3. ligands in trans-positions and two nitrogen ligands in the cis-positions. The remaining sites Lire occupied by one or two hydride atoms to form a saturated 18-electron framework in a slightly distorted octahedral geometry. For complex 2 an appreciable inter-molecular pi interaction is observed between planes of tbz and PPh3 ligands, while an intra-molecular hydrogen bonding interaction between C-H and Cl atoms is found in complex 6. (C) 2002 Elsevier science Ltd. All rights reserved.
KeywordMononuclear Complexes Rhodium Complexes Hydrido Complexes Nitrogen Ligands Crystal Structures
Indexed BySCI
Language英语
WOS IDWOS:000176881700010
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78690
Collection中国科学院化学研究所
Corresponding AuthorMaekawa, M
Affiliation1.Kinki Univ, Res Inst Sci & Technol, Higashiosaka, Osaka 5778502, Japan
2.Kyoto Univ, Grad Sch Engn, Dept Synth Chem & Biol Chem, Sakyo Ku, Kyoto 6068501, Japan
3.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Yu, XY,Maekawa, M,Morita, T,et al. Syntheses and crystal structures of mononuclear rhodium hydrido complexes from the reactions of [Rh(H)(2)(PPh3)(2)(EtOH)(2)]ClO4 with various nitrogen ligands[J]. POLYHEDRON,2002,21(16):1613-1620.
APA Yu, XY,Maekawa, M,Morita, T,Chang, HC,Kitagawa, S,&Jin, GX.(2002).Syntheses and crystal structures of mononuclear rhodium hydrido complexes from the reactions of [Rh(H)(2)(PPh3)(2)(EtOH)(2)]ClO4 with various nitrogen ligands.POLYHEDRON,21(16),1613-1620.
MLA Yu, XY,et al."Syntheses and crystal structures of mononuclear rhodium hydrido complexes from the reactions of [Rh(H)(2)(PPh3)(2)(EtOH)(2)]ClO4 with various nitrogen ligands".POLYHEDRON 21.16(2002):1613-1620.
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