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Bis(triphenylphosphine)gold(i) perrhenate

机译:双(三苯基膦)金(i)高hen酸盐

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Bis(triphenylphosphine)gold(1) perrhenate [Ph~3PAuPPh ~3]+ReO~4- has been prepared in high yield from Ph ~3PAuCl, Ph~3P and AgReO~4 in a mixed solvent. The compound is stable in air and decomposes at 235 °C. In the crystal structure, the two independent perrhenate anions are not approaching the gold centers of the two independent cations, but weak interionic interactions are entertained via π-π stacking of phenyl groups and C-H...O contacts. As three-blade chiral rotors, the Ph~3P ligands of the cations are in a staggered conformation at the gold atoms with only slightly bent P-Au-P axes. IR and NMR data show no anomalies and are close to those of alkali or onium perrhenates.
机译:在混合溶剂中,由Ph〜3PAuCl,Ph〜3P和AgReO〜4以高收率制备了双(三苯基膦)金(1)高hen酸盐[Ph〜3PAuPPh〜3] + ReO〜4-。该化合物在空气中稳定,在235°C时分解。在晶体结构中,两个独立的高hen酸盐阴离子没有接近两个独立阳离子的金中心,但是通过苯基的π-π堆积和C-H ... O接触得到弱的离子间相互作用。作为三叶片手性转子,阳离子的Ph〜3P配体在金原子上呈交错构象,只有略微弯曲的P-Au-P轴。 IR和NMR数据显示无异常,并且接近碱金属或高per酸盐。

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