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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of tetra#173;aquabis(1,3-dimethyl-2,6-dioxo-3,7-di#173;hydro-1H-purin-9-ido)magnesium
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Crystal structure of tetra#173;aquabis(1,3-dimethyl-2,6-dioxo-3,7-di#173;hydro-1H-purin-9-ido)magnesium

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摘要

The title complex, Mg(C7H7N4O2)2(H2O)4, lies across an inversion centre and the MgII atom is coordinated in a slightly distorted octa#173;hedral environment by four aqua ligands in the equatorial sites and two 1,3-dimethyl-2,6-dioxo-3,7-di#173;hydro-1H-purin-9-ide ligands, through imidazole ring N atoms, in the axial sites. An intra#173;molecular O#8212;H#8943;O hydrogen bond forms an S(7) graph-set motif. In the crystal, O#8212;H#8943;O and O#8212;H#8943;N hydrogen bonds link complex mol#173;ecules forming a three-dimensional network incorporating R42(8) and R22(18) graph-set motifs.

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