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Formation and structure of a Pd(I) complex: The crystal structure of (C5H8N2S)4Pd(II)Cl2·H2O and the ESR study of the X-irradiated single crystal

✍ Scribed by P. Aarrizabalaga; G. Bernardinelli; M. Geoffroy; P. Castan; F. Dahan


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
613 KB
Volume
124
Category
Article
ISSN
0009-2614

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✦ Synopsis


The crystal structure of tetrakis(tetrahydro-lH-pyrimidine-2-thione)palladium(II) dichloride monohydrate has been determined X-irradiation of a single crystal, at liquid-nitrogen temperature, leads to formation of a paramagnetic species whose ESR study has been performed at 77 K. The g and to5Pd-hyperfine tensors have been obtained. Their eigenvalues are consistent with the trapping of a d9 ion. Comparison of the eigenvectors with the crystallographic bond directions shows that the pammagnetic species results from the reduction of Pd(I1) to Pd(I) which remains at the center of a square formed by four sulphur atoms.


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