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

Neena Chakrabarti, Patrick J. Quinlivan, Gerard Parkin

Abstract


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 k3S2H 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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Copyright (c) 2017 Neena Chakrabarti, Patrick J. Quinlivan, Gerard Parkin

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Journal of the Mexican Chemical Society (J. Mex. Chem. Soc.) Vol 61, No 3 (2017). Quarterly publication (July-September). Edited and distributed by Sociedad Química de México, A.C. Barranca del Muerto 26, Col. Crédito Constructor, Del. Benito Juárez, C.P. 03940, Mexico City. Phone: +5255 56626837; +5255 56626823 Contact: soquimex@sqm.org.mx http://www.sqm.org.mx Editor-in-Chief: Ignacio González-Martínez. Indexed Journal. Certificate of reserved rights granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): 04-2005-052710530600-102. Certificate of lawful title and content: Under procedure. ISSN-e granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): 2594-0317. ISSN granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): 1870-249X. Postal registration of printed matter deposited by editors or agents granted by SEPOMEX: IM09-0312 Copyright © Sociedad Química de México, A.C. Total or partial reproduction is prohibited without written permission of the right holder. The Figures/schemes quality and the general contents of this publication are full responsibility of the authors. Updated October 26th, 2017 by Adriana Vázquez (editorial assistant, e-mail: editor.jmcs@gmail.com), J. Mex. Chem. Soc., Sociedad Química de México, A.C.