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Motional Averaging of Electric Field Gradients. Temperature Dependence of Nqr in Sodium Chlorate and Copper Chlorate
Author(s) -
Vijaya M. S.,
Ramakrishna J.
Publication year - 1973
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220550226
Subject(s) - sodium chlorate , chlorate , nuclear quadrupole resonance , chemistry , copper , quadrupole , analytical chemistry (journal) , atmospheric temperature range , electric field gradient , inorganic chemistry , nuclear magnetic resonance , thermodynamics , atomic physics , physics , environmental chemistry , organic chemistry
The temperature dependence of CI 35 nuclear quadrupole resonance in sodium chlorate and copper chlorate is studied in the temperature range 77 to 300 °K. It is shown that the assumptions made in Bayer's theory, are valid for the case of chlorates and hence the frequency of the torsional oscillations of the ClO 3 group is calculated using Bayer's theory. The calculated value of the torsional frequency compares well with available Raman spectroscopy data.