四氯合金（III）酸4,4'-联（1H-吡唑-2-鎓）氯化物：一种具有多个吡唑鎓 - 氯化物氢键相互作用的三维阳离子类辉铜矿骨架。
4,4'-Bi(1H-pyrazol-2-ium) tetrachloridoaurate(III) chloride: a three-dimensional cationic cooperite-like framework with multiple pyrazolium-chloride hydrogen-bonding interactions.
作者信息
Domasevitch Konstantin V
机构信息
Inorganic Chemistry Department, National Taras Shevchenko University of Kyiv, Volodimirska Street 64, Kyiv 01033, Ukraine.
出版信息
Acta Crystallogr C. 2012 Jul;68(Pt 7):m169-72. doi: 10.1107/S0108270112024389. Epub 2012 Jun 13.
In the title compound, (C(6)H(8)N(4))[AuCl(4)]Cl, the 4,4'-bi(1H-pyrazol-2-ium) dication, denoted H(2)bpz, is situated across a centre of inversion, the AuCl(4) anion lies across a twofold axis passing through Cl-Au-Cl, and the Cl(-) anion resides on a twofold axis. Conventional N-H···Cl hydrogen bonding [N···Cl = 3.109 (3) and 3.127 (3) Å, and N-H···Cl = 151 and 155°] between H(2)bpz cations (square-planar node) and chloride anions (tetrahedral node), as complementary donors and acceptors of four hydrogen bonds, leads to a three-dimensional binodal four-connected framework with cooperite topology (three-letter notation pts). The framework contains channels along the c axis housing one-dimensional stacks of square-planar AuCl(4) anions [Au-Cl = 2.2895 (10)-2.2903 (16) Å; interanion Au···Cl contact = 3.489 (2) Å], which are excluded from primary hydrogen bonding with the H(2)bpz tectons.
在标题化合物（C₆H₈N₄）[AuCl₄]Cl中，4,4'-联（1H-吡唑-2-鎓）双阳离子，记为[H₂bpz]²⁺，位于一个对称中心上，[AuCl₄]⁻阴离子位于通过Cl-Au-Cl的二重轴上，而Cl⁻阴离子位于二重轴上。[H₂bpz]²⁺阳离子（平面正方形节点）与氯离子阴离子（四面体节点）之间存在常规的N-H···Cl氢键作用 [N···Cl = 3.109 (3) Å和3.127 (3) Å，且N-H···Cl = 151°和155°]，作为四个氢键的互补供体和受体，形成了具有方黄铜矿拓扑结构（三字母表示法pts）的三维双节点四连接框架。该框架沿c轴包含通道，通道中容纳着平面正方形[AuCl₄]⁻阴离子的一维堆积 [Au-Cl = 2.2895 (10)-2.2903 (16) Å；阴离子间Au···Cl接触距离 = 3.489 (2) Å]，这些阴离子被排除在与[H₂bpz]²⁺构造单元的主要氢键作用之外。
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