A new35Cl nuclear quadrupole resonance was reported at room temperature for the first time in CoHgCl4.4H2O at 20.583 MHz. The results of the Zeeman effect revealed that the principal Z-direction is parallel tob axis and the value of the asymmetry parameter η is 0.042. The estimated covalency is found. to be 0.38.35Cl resonance was also observed at room temperature in deuterated crystal CoHgCl4.4D2O at 20.598 MHz. No new results were observed from the Zeeman effect studies in this crystal. The line widths, substitutional effects and covalency of the bond are also discussed.
Volume 134, 2022
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