Journal
INORGANICA CHIMICA ACTA
Volume 370, Issue 1, Pages 1-6Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2010.12.071
Keywords
Mercury; Carborane-diphenylphosphine complexes; Crystal structure; Dihydrogen bond
Categories
Funding
- National Natural Science Foundation of PR China [20971063, 20371025]
- Natural Science Foundation of Shandong Province [Y2007B01]
- Shandong Tai-Shan Scholar Research Found
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The closo- and nido-carborane-diphenylphosphine complexes [Hg-2{1,2-(PPh2)(2)-1,2-C2B10H10}(2)(mu-Cl-2)(2)-(mu-HgCl2)(3)]center dot 2CH(2)Cl(2) (1) and [HgCl(PPh3){7,8-(PPh2)(2)-7,8-C2B9H10}] (2) have been synthesized and characterized by elemental analysis, FT-IR and X-ray structure determination. The X-ray structure analysis for these two complexes showed that the carborane cage ligand was coordinated bidentately to the Hg(II) center through its two phosphorus atoms. The coordination geometry of the mercury atom complexed by P2Cl2 unit in complex 1 or P3Cl unit in complex 2 was a distorted tetrahedron, while the mercury atom in complex 2 coordinated to six Cl atoms was a slightly distorted octahedron. X-ray analysis reveals that the complex 1 forms a 1D chain coordination polymer via bridged Hg-Cl bonds. For complex 2, it displays a 3D network constructed by the C-H center dot center dot center dot Cl hydrogen bonds and C-H center dot center dot center dot H-B dihydrogen bonds. (C) 2011 Elsevier B.V. All rights reserved.
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