Vibrational spectra of (NH4)3ZnCl5 |
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| Authors: | M Balasubramanian V Ramakrishnan S Rajendran |
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| Institution: | (1) School of Physics, Madurai Kamaraj University, 625021 Madurai, India;(2) Department of Physics, Alagappa University, 623004 Karaikudi, India |
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| Abstract: | IR and Raman spectra of (NH4)3ZnCl5 have been recorded. The observed spectra have been analysed on the basis of the vibrations of ZnCl
4
2−
and NH
4
+
ions. The appearance of multiple Raman bands indicates the presence of two different types of ammonium ions. The effect of
anisotropic crystalline field over the ZnCl4 and NH4 tetrahedra is also discussed. The assignment of internal modes has been verified by the potential energy distribution calculations. |
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| Keywords: | IR and Raman spectra ammonium and ZnCl 4 2− ions linear distortion |
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