Hydrogen bonded networks in N–alkyl substituted thiourea platinum (II) oxocarbodianion and carboxylate salts

Fisher, Matthew G., Gale, Philip A., Light, Mark E. and Quesada, Roberto (2008) Hydrogen bonded networks in N–alkyl substituted thiourea platinum (II) oxocarbodianion and carboxylate salts. CrystEngComm, 10 (9), 1180-1190. (doi:10.1039/b803260b).

Record type: Article

Abstract

Crystal structures of ten homoleptic platinum (II) complexes with N-methylthiourea, N,N-dimethylthiourea and 1-methyl-1H-imidazole-2(3H)-thione ligands and squarate, croconate, rhodizonate, terephthalic acid monocarboxylate and 1,4-naphthalene dicarboxylic acid monocarboxylate were determined by X-ray diffraction. The coordinated ligands display hydrogen bonding interactions with the counter anions, leading to the formation of a variety of different hydrogen bonded networks. The thiourea groups adopt different conformations around the metal centre, with a 1,2-alternate arrangement most frequently encountered. Discrete hydrogen bonds are the dominant interactions as a result of the disposition of the alkyl groups preventing the DDAA contacts usually displayed by thiourea ligands and carboxylates.

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