Organyltriphenylphosphonium Dicyanoaurates [Ph3PR]+[Au(CN)2]−, R = CH2C(O)Ph, CHCHMe, (CH2)4Br: Synthesis and Structure

The [Ph 3 PR]+[Au(CN) 2 ] − complexes, where R = CH 2 C(O)Ph (I), CHCHMe (II), and (CH 2 ) 4 Br (III), have been synthesized by the reaction between potassium dicyanoaurate and organyltriphenylphosphonium chlorides in water and structurally studied. The phosphorus atoms in organyltriphenylphosphoniu...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2019-06, Vol.64 (6), p.729-733
Main Authors: Sharutin, V. V., Sharutina, O. K., Popkova, M. A.
Format: Article
Language:English
Subjects:
Chemical synthesis
Chemistry
Chemistry and Materials Science
Coordination Compounds
Inorganic Chemistry
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Summary:The [Ph 3 PR]+[Au(CN) 2 ] − complexes, where R = CH 2 C(O)Ph (I), CHCHMe (II), and (CH 2 ) 4 Br (III), have been synthesized by the reaction between potassium dicyanoaurate and organyltriphenylphosphonium chlorides in water and structurally studied. The phosphorus atoms in organyltriphenylphosphonium cations have a distorted tetrahedral coordination: CPC angles, 107.14(13)°–112.29(17)° ( I ), 107.38(15)°–110.84(16)° (II) , 107.5(3)°–112.1(3)° (III) , P-C bonds, 1.792(3)–1.828(3) (I) , 1.768(4)–1.800(4) (II) , 1.787(5)–1.799(5) Å (III). In nearly linear [Au(CN) 2 ] − anions, the CAuC angles are 179.38(13)° (I) , 177.41(18)° (II) , and 178.2(3)° (III) , and the Au–C distances are 1.967(6)–2.010(4) Å.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023619060147