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Recent ab initio calculations of cobalt NMR shielding show that DFT-GIAO calculations using hybrid functionals are found to reproduce experimental values well. This method is used top calculate the vatriation of the cobalt NMR shielding tensor of square pyramidal nitrosyl complexres with respect to the CoNO geometry and to differing basal ligands. The isotropic shielding is shown to have a large negative derivative with respect to CoX distance where X is a ligating atom; the derivative with respect to NO distance is smaller but still significant. The zz component where z is along the CoN(NO) bond is more sensitive to the basal ligands but the other two principal components are sensitive to the CoNO geometry.
|Item Type:||Journal Article|
|Extra Information:||Some of the symbols may not have transferred correctly into this bibliographic record and/or abstract.|
|Keywords:||Co. NMR Shielding; NO; DFT; ab initio calculations|
|Academic Unit/Department:||Science > Life, Health and Chemical Sciences
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Biomedical Research Network (BRN)
|Depositing User:||Users 1688 not found.|
|Date Deposited:||19 Oct 2006|
|Last Modified:||24 Feb 2016 17:18|
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Ab initio calculations of Co shielding in model complexes. (deposited 14 Nov 2006)
- Ab initio calculations of Co shielding in model complexes. (deposited 19 Oct 2006) [Currently Displayed]
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