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Peitz et al 2010, Bisμ-N,N′-bis­2,6-diisopropylphenylethene-1,2-diamido.pdf344,17 kBAdobe PDFView/Open
Title: Bis[μ-N,N'-bis(2,6-diisopropylphenyl)ethene-1,2-diamido]-1, 4(η2);1:2κ4 N:N;3:4κ4 N:N-bis(diethyl ether)-1κO,4κO-di-μ- ydrido-2: 3κ4 H:H-2,3-dichromium(II)-1,4-dilithium(I) pentane hemisolvate
Authors: Peitz, S.Peulecke, N.Müller, B.H.Spannenberg, A.Rosenthal, U.
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Issue Date: 2010
Published in: Acta Crystallographica Section E: Structure Reports Online Vol. 66 (2010), No. 3
Publisher: Chester : International Union of Crystallography
Abstract: The title compound, [Cr2Li2(C26H 36N2)2(μ-H)2(C4H 10O)2]·0.5C5H12, is a binuclear chromium complex bridged by two hydrogen atoms. Each chromium atom is coordinated in a distorted square-planar geometry by one chelating bis-(2,6-diisopropyl-phen-yl) ethene-1,2-diamido ligand via its two N atoms. Additionally, two diametrically opposed lithium ether adducts coordinate in an η4 mode on the backbone of the ligands. There is a crystallographic inversion center in the middle of the Cr2H2 ring. One of the isopropyl groups is disordered over two positions in a 0.567 (7):0.433 (7) ratio. Disorder is also observed in the pentane hemisolvate molecule.
Keywords: Data-to-parameter ratio = 19.3; Disorder in main residue; Mean σ(C-C) = 0.005 Å; R factor = 0.052; Single-crystal X-ray study; T = 200 K; WR factor = 0.151
DDC: 540
License: CC BY 4.0 Unported
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