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Structure of the adduct of bis(2,2′biimidazole)copper(II) perchlorate with 4,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidine-7-one

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Abstract

The crystal structure of the compound [Cu(biim)2](ClO4)2(7HtpO)2 (where 7HtpO is 4,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidine-7-one and biim is 2,2'biimidazole) has been determined at room temperature. The dark green crystals are monoclinic, space group C2/c with unit dimensions a = 19.666(2) Å, b = 11.7586(8) Å, c = 13.4808(9) Å, β = 103.690(8)°, Z = 4, and Dx = 1.761 Mg-m−3. The structure was refined by a full-matrix least-squares procedure on F 2 to final R = 0.0806 using 4407 reflections. The cation is slightly distorted square planar and 7HtpO is not directly linked to the metal, the interaction between the cation and the triazolopyrimidine moiety taking place via stacking.

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Haj, M.A., Quirós, M. & Salas, J.M. Structure of the adduct of bis(2,2′biimidazole)copper(II) perchlorate with 4,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidine-7-one. Journal of Chemical Crystallography 34, 549–552 (2004). https://doi.org/10.1023/B:JOCC.0000042024.70444.a0

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  • DOI: https://doi.org/10.1023/B:JOCC.0000042024.70444.a0

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