Heteroleptic platinum(II) complexes with crown thioether and phosphine ligands I:: Crystal structures of [Pt(9S3)(dppm)](PF6)2 and [Pe(9S3)(PPh3)2](PF6)2•2CH3NO2

被引：23
作者：
Grant, GJ [1 ]
Poullaos, IM
Galas, DF
VanDerveer, DG
Zubkowski, JD
Valente, EJ
机构：
[1] Univ Tennessee, Dept Chem, Chattanooga, TN 37403 USA
[2] Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
[3] Jackson State Univ, Dept Chem, Jackson, MS 39217 USA
[4] Mississippi Coll, Dept Chem, Clinton, MS 39058 USA
来源：
INORGANIC CHEMISTRY | 2001年 / 40卷 / 03期
关键词：
D O I：
10.1021/ic000698h
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The two phosphine ligands, dppm and PPh3, readily react with [Pt(9S3)Cl-2] to form heteroleptic thioether-phosphine complexes with elongated square pyramidal structures [S2P2 + S-1] in the solid stare. Their solution NMR data are also similar, and both exhibit fluxional 9S3 ligands. The enhanced basicity and chelate ring strain of the dppm ligand over PPh3 are observed structurally, electrochemically, and spectroscopically, resulting in characteristic chemical shift changes in the P-31 and Pt-195 NMR spectra of the two complexes.
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页码：564 / +
页数：5
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