X-Ray crystal structure of a unique cyano-bridged cyclic palladium(II) trimer
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 1305-1308
- https://doi.org/10.1039/dt9830001305
Abstract
The crystal structure of [Pd3(dppe)3(µ-CN)3][ClO4]3(dppe = Ph2PCH2CH2PPh2) is reported. The complex crystallizes in the trigonal space group R with unit-cell parameters a= 22.737(3)Å, α= 40.288(4)°, and Z= 6. The final R index was 0.052 using 1 495 independent reflections in the least-squares refinement. The structure is based on a Pd3(µ-CN)3 cyclic trimer unit and 31P n.m.r. indicates an unsymmetrical arrangement of the cyano-bridges. The angles Pd–C–N = 165(2) and Pd–N–C = 164(1)° make the cyano-bridge significantly non-linear at both ends. There are seven perchlorate sites within the unit cell, two of which are only partially occupied.Keywords
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