103Rh and 33s hyperfine interactions in tetraphenylarsonium-bis ( maleonitriledithiolato ) rhodate (II), (Ph 4As) 2[Rh(mnt) 2]: a single-crystal EPR-ENDOR study

The complete 103Rh and 33S hyperfine coupling tensors of the 4d 7 low-spin chelate tetraphenylarsoniumbis (maleonitriledithiolato)rhodate(II) doped into the corresponding nickel complex salt have been measured by EPR-ENDOR spectroscopy. Both interactions are small and confirm that the unpaired elect...

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Bibliographic Details
Published in:Chemical physics letters 1987, Vol.133 (1), p.81-85
Main Authors: Kirmse, R., Köhler, K., Stach, J., Dietzsch, W., Böttcher, R., Golič, L.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic double resonances and cross effects
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Physics
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Summary:The complete 103Rh and 33S hyperfine coupling tensors of the 4d 7 low-spin chelate tetraphenylarsoniumbis (maleonitriledithiolato)rhodate(II) doped into the corresponding nickel complex salt have been measured by EPR-ENDOR spectroscopy. Both interactions are small and confirm that the unpaired electron is in an “out-of-plane” π-type molecular orbital. The Rh-S bonds are less covalent than bonds in the isoelectronic Pd(III) complex.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(87)80058-1