High yield syntheses of stable, singly bonded Pd26+ compounds

被引:78
作者
Cotton, F. Albert
Koshevoy, Igor O.
Lahuerta, Pascual
Murillo, Carlos A.
Sanau, Mercedes
Ubeda, M. Angeles
Zhao, Qinliang
机构
[1] Texas A&M Univ, Dept Chem, Lab Mol Struct & Bonding, College Stn, TX 77842 USA
[2] Univ Valencia, Fac Quim, Dept Quim Inorgan, E-46100 Burjassot, Spain
关键词
D O I
10.1021/ja0656595
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A general method for the syntheses of dipalladium compounds having a singly bonded Pd26+ core and the formula R,S-cis-Pd2(C6H4PPh2)2(O2CR)2Cl2 is described. When the alkyl group in the carboxylate ligands is an electron donating group, the compounds are stable and the yields high. The Pd-Pd distances for the diamagnetic compounds with R = CF2 and CMe3 are 2.5434(4) and 2.5241(9) Å, respectively. Calculations at the DFT level suggest that the electronic configuration is σ2π4δ2δ*2π*2. These represent rare examples of palladium(III) compounds. Copyright © 2006 American Chemical Society.
引用
收藏
页码:13674 / 13675
页数:2
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