The quadrupole coupling tensor of 95 Mo in mesitylene molybdenum tricarbonyl
- 10 August 1990
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 70 (5), 879-889
- https://doi.org/10.1080/00268979000101421
Abstract
The quadrupole coupling tensor of 95Mo in mesitylene-d1 molybdenum tricarbonyl is determined in benzene solution by NMR of the dielectrically aligned molecule. The largest principal component e 2 qQ/h, which lies along the dipole moment of the complex, is ±(954 ± 50) kHz. The asymmetry parameter η is zero because of symmetry considerations. A value of 10·9 ± 0·6 MHz for the quadrupole coupling constant of 97Mo is obtained by evaluating the quadrupole-moment ratio of 97Mo and 95Mo. Rotational diffusion of the complex in solution is investigated by relaxation measurements. The dipole moment of the complex is estimated to be (2·1 ± 0·1) × 10-29 Cm (6·2 ± 0·4 D).Keywords
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