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首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Strukturen zweier Salze des Bis(thioharnstoff)gold(I)-Kations
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Strukturen zweier Salze des Bis(thioharnstoff)gold(I)-Kations

机译：双（硫脲）金（I）阳离子的两个盐的结构

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摘要

Attempts to isolate the compound (tu2Au)SCN 1 (tu=thiourea), first reported in 1949, at first led to [(tu)2Au]2SO4·CH3OH 2 after crystallization from methanol-petroleum ether. Crystallization from isopropanol led to the required compound 1. The crystal structure analysis of 1 confirmed its ionic nature, (tu2Au)+ SCN?. The tu ligands are mutually trans (torsion angle C–S···S–C 175.4(2)°), and the entire cation is approximately planar (r.m.s. deviation 0.08 ?). Eight classical hydrogen bonds connect the residues to form layers parallel to the bc plane at x≈?, ?, ? and ?; the layers are connected by aurophilic contacts, which link the cations to form chains parallel to the a axis. In the structure of compound 2 the S=C groups are synclinal to each other; two NH2 groups are connected via a bifurcated hydrogen bonding system to a sulfate oxygen, forming a ring of graph set R21(10).${m{R}}_2^1(10).$ In a complex three-dimensional packing, the cations are connected by various interactions to form layers parallel to the ac plane at y≈?, whereas the sulfates are the centres of hydrogen-bonded double layers on both sides of the mirror plane at y≈?. The structure contains a convincing example of a hydrogen bond to a gold centre.
机译：试图分离化合物（Tu2au）SCN 1（Tu = Thiourea），于1949年首次报道，首先在从甲醇 - 石油醚结晶后LED [（TU）2AU] 2SO4·CH 3 OH 2。从异丙醇结晶导致所需的化合物1. 1确认其离子性质（Tu2au）+ Scnα. Tu配体是相互反运动的（扭转角C-S ... S-C 175.4（2）°），并且整个阳离子大约是平面的（下午偏差0.08？）。八种古典氢键连接残留物以在X≈αbc平面平行地形成层的层，？和 ？;这些层通过助剂触点连接，链接阳离子以形成平行于轴线的链。在化合物2的结构中，S = C基团彼此旋转;两组通过分叉的氢键系统连接到硫酸盐氧，形成图的环形环R21（10）。$ { rm {r}} _ 2 ^ 1（10）。$ 在一个复杂的三维填料中，阳离子通过各种相互作用连接，形成平行于ya···············γ的ac平面的层，而硫酸盐是在含≈的镜面平面两侧的氢键双层的中心。 ？。该结构含有与金中心的氢键的令人信服的例子。

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