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Crystal and molecular structures of di-n-butyltin bis(dihydroxy-2,4-benzoate) and di-n-butyl bis(pentafluorophenylacetate)

par Gielen, Marcel ;Bouhdid, Abdeslam;Tiekink, Edward
Référence Main group metal chemistry, 18, page (199-210)
Publication Publié, 1995

Article révisé par les pairs

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Résumé :

The crystal and molecular structures of two diorganotin dicarboxylates, namely [nBu2Sn(02CC6H3-2-0H-4-0H)2] and [nBu2Sn(02CCH2C6F5)2], are reported. In each structure the tin atom exists in a skew trapezoidal bipyramidal geometry with the basal plane being defined by two asymmetrically chelating carboxylate ligands and the two organic substituents lying over the longer Sn-0 interactions. Significant intra-and inter-molecular hydrogen bonding contacts stabilise the structure of [nBu2Sn(02CC6H3-2-0H-4-0H)2]. The reduced degree of asymmetry in the mode of coordination of the carboxylate ligands in the structure of [nBu2Sn(02CCH2C6F5)2] may be correlated with the presence of electron withdrawing perfluorophenyl substituent. © 1995, Taylor & Francis Group, LLC. All rights reserved.