Abstract
The temperature variation of 35Cl and 81Br NQR frequencies are reported for mercuric chloride · triethylene glycol dimethyl ether (HgCl2 · triglyme), mercuric chloride · diethylene glycol dimethyl ether (HgCl2 · diglyme), and mercuric bromide · diethylene glycol dimethyl ether (HgBr2 · diglyme). The frequencies have been assigned to the appropriate halogens using molecular models which take into account the various intra- and inter-molecular interactions in the solid state. The observed temperature variation of the NQR frequencies, in the range 77 -300 K. has been analysed using the two torsional mode analysis in the framework of the Bayer-Kushida-Brown method with Tatsuzaki’s correction to obtain the torsional frequencies and their average temperature coefficients.
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