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Bis[bis-(3,5-diamino-1H-1,2,4-triazol-4-ium)copper(I)] tris-(hexa-fluoridosilicate).

ABSTRACT: In the title compound, [Cu(C(2)H(6)N(5))(2)](2)(SiF(6))(3), the asymmetric unit is composed of one [Cu(HL)(2)](3+) cation (where L is 3,5-diamino-1,2,4-triazole) and one and a half SiF(6) (2-) anions. The rather large positively charged guanazole ligand moiety promotes the low metal coordination number of 2 for the Cu(I) atom. The compound was obtained using the electrochemical alternating-current technique starting from an ethanol-methanol solution of CuSiF(6)·4H(2)O and guanazole. In the crystal, N-H?F hydrogen bonds play an important role in the formation of a three-dimensional network. As a result of these hydrogen bonds, there are also ?-? inter-actions [centroid-centroid distance = 3.3024?(14)?Å] involving one of the triazole groups in mol-ecules related by an inversion center, and short Cu?N inter-actions [2.909?(3)?Å] involving an -NH(2) group, leading to the formation of a dimer-like arrangement.

SUBMITTER: Mys'kiv M

PROVIDER: S-EPMC3009260 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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Bis[bis-(3,5-diamino-1H-1,2,4-triazol-4-ium)copper(I)] tris-(hexa-fluoridosilicate).

Mys'kiv Marian M Goreshnik Evgeny E

Acta crystallographica. Section E, Structure reports online 20101023 Pt 11

In the title compound, [Cu(C(2)H(6)N(5))(2)](2)(SiF(6))(3), the asymmetric unit is composed of one [Cu(HL)(2)](3+) cation (where L is 3,5-diamino-1,2,4-triazole) and one and a half SiF(6) (2-) anions. The rather large positively charged guanazole ligand moiety promotes the low metal coordination number of 2 for the Cu(I) atom. The compound was obtained using the electrochemical alternating-current technique starting from an ethanol-methanol solution of CuSiF(6)·4H(2)O and guanazole. In the cryst ...[more]

PMID: 21588872

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