十二碘三铅酸六甘铵晶体结构
Crystal structure of hexa-glycinium dodeca-iodo-triplumbate.
作者信息
Tonoyan Gayane S, Giester Gerald, Ghazaryan Vahram V, Chilingaryan Ruben Yu, Margaryan Arthur A, Mkrtchyan Artak H, Petrosyan Aram M
机构信息
Institute of Applied Problems of Physics, NAS of Armenia, 25 Nersessyan Str., 0014 Yerevan, Armenia.
Institute of Mineralogy and Crystallography, University of Vienna, Josef-Holaubek-Platz 2, A-1090 Vienna, Austria.
出版信息
Acta Crystallogr E Crystallogr Commun. 2024 Aug 6;80(Pt 9):916-920. doi: 10.1107/S2056989024007606. eCollection 2024 Sep 1.
The crystal structure of hexa-glycinium tetra-μ-iodido-octa-iodido-triplumbate, (CHNO)[PbI] or (GlyH)[PbI], is reported. The compound crystallizes in the triclinic space group . The [PbI] anion is discrete and located around a special position: the central Pb ion located on the inversion center is holodirected, while the other two are hemidirected. The supra-molecular nature is mainly based on C-H⋯I, N-H⋯I, O-H⋯I and N-H⋯O hydrogen bonds. Dimeric cations of type ( ⋯ ) for the amino acid glycine are observed for the first time.
报道了六甘氨酸四-μ-碘代-八碘代三铅酸盐(CHNO)[PbI]或(GlyH)[PbI]的晶体结构。该化合物结晶于三斜空间群。[PbI]阴离子是离散的，位于一个特殊位置：位于对称中心的中心铅离子是全向的，而另外两个是半向的。超分子性质主要基于C-H⋯I、N-H⋯I、O-H⋯I和N-H⋯O氢键。首次观察到氨基酸甘氨酸的(⋯)型二聚阳离子。
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