Conclusions
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1.
Solutions of CuCl2 in organic solvents exhibit an EPR signal at room temperature, the intensity which decreases practically to zero, when the value of the ratio [Cl−]∶[Cu2+] in solution becomes equal to or greater than 3∶1. However, the magnetic moment of copper is unchanged in this case.
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2.
The decrease in the EPR signal intensity that occurs under the influence of Cl− is accompanied an increase in the intensities of the bands with charge transfer of chlorocuprate complexes in the visible region.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 1991–1996, September, 1970.
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Kirpichnikova, N.P., Nalbandyan, R.M. Influence of the chloride ion on the EPR signal intensity of solutions of CuCl2 in organic solvents. Russ Chem Bull 19, 1873–1877 (1970). https://doi.org/10.1007/BF00849763
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DOI: https://doi.org/10.1007/BF00849763