Synthesis and Structural Characterization of [BmMeBenz]2Ca(THF)2: Ca•••H-B interactions in a Sulfur-Rich Coordination Environment

Chakrabarti, Neena; Quinlivan, Patrick J.; Parkin, Gerard

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Journal of the Mexican Chemical Society

Print version ISSN 1870-249X

Abstract

CHAKRABARTI, Neena; QUINLIVAN, Patrick J. and PARKIN, Gerard. Synthesis and Structural Characterization of [Bm^MeBenz]₂Ca(THF)₂: Ca•••H-B interactions in a Sulfur-Rich Coordination Environment. J. Mex. Chem. Soc [online]. 2017, vol.61, n.2, pp.90-96. ISSN 1870-249X.

The bis(mercaptoimidazolyl)hydroborato calcium compound, [BmMeBenz]2Ca(THF)2, may be obtained by the reaction of Ca(BH4)2•2(THF) with 1-methyl-1,3-dihydro-2H-benzimidazole-2-thione. X-ray diffraction demonstrates that the [BmMeBenz] ligands coordinate in a κ3-S2H manner such that the calcium is eight-coordinate with a dodecahedral geometry that features two Ca•••H-B interactions.

Keywords : Calcium; bis(mercaptoimidazolyl)hydroborato; borohydride; 8-coordinate; X-ray structure.

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