Gold complexes [Ph3PCH2CH=CHCH2PPh3]2+[AuCl4] 2 ?/sup> and [Ph3PCH2CH2COOH]+[AuCl4]?/sup>: Synthesis and structure

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• 作者：V. V. Sharutin ; O. K. Sharutina ; V. S. Senchurin
• 刊名：Russian Journal of Inorganic Chemistry
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：60
• 期：8
• 页码：942-946
• 全文大小：543 KB
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• 作者单位：V. V. Sharutin (1)
  O. K. Sharutina (1)
  V. S. Senchurin (1)
  
  1. National South Ural State Research University, pr. Lenina 76, Chelyabinsk, 454080, Russia
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Inorganic Chemistry
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1531-8613

文摘

Complexes [Ph3PCH2CH=CHCH2PPh3]2+[AuCl4] 2 ?/sup> (I) and [Ph3PCH2CH2COOH]+[AuCl4]?/sup> (II) have been synthesized by the reaction of hydrotetrachloroauric acid with 2-butene-1,4-bis(triphenylphosphonium) dichloride (2: 1 mol/mol) and 2-carboxyethyltriphenylphosphonium chloride (1: 1 mol/mol). The phosphorus atoms in the cations of complexes I and II have a slightly distorted tetrahedral coordination (CPC, 106.5(7)°-12.5(8)°), and P-C bond lengths are 1.768(14)-.819(17) ?. The square coordination of the gold atom in the anions of complexes I and II is almost undistorted: ClAuCl angles are 88.53(6)°-1.3(3)°, Au-Cl bond lengths are 2.254(5)-.289(6) ?. The cations in crystals are bonded by H?Cl hydrogen bonds of 2.72-.79 ? I) and 2.77-.85 ? II). The cations of complex II form dimers due to strong H?O bonds (1.85 ?) between carboxyl groups.