Solid‐state  2 H NMR study of the dynamics of the methoxy groups in perdeuteriated bis(dimethoxythiophosphoryl) disulphide | Zendy

Potrzebowski Marek J. | Zendy

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Solid‐state 2 H NMR study of the dynamics of the methoxy groups in perdeuteriated bis(dimethoxythiophosphoryl) disulphide

Author(s) -

Potrzebowski Marek J.

Publication year - 1992

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260300108

Subject(s) - chemistry , activation energy , arrhenius equation , arrhenius plot , solid state , anisotropy , spectral line , nmr spectra database , solid state nuclear magnetic resonance , analytical chemistry (journal) , crystallography , computational chemistry , nuclear magnetic resonance , organic chemistry , physics , quantum mechanics , astronomy

2 H solid‐state NMR was employed to study the statio and dynamic properties of perdeuteriated bis(dimethoxythiophosphoryl) disulphide. It was found that sample preparation has a significant influence on the line shapes of the broad‐line solid‐state spectra. It was concluded from inversion–recovery experiments that the methyl groups are in the fast exchange regime, τ c < 10 −s s. The three‐site jump model, with reorientation of the methyl group about a C 3 symmetry, was assumed as the best explanation of the T 1 anisotropy. The apparent activation energy calculated from an Arrhenius plot was found to be 5.35 kJ mol −1 .

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