Temperature evolution of the infrared spectrum of Ni(ClO4)2·6H2O |
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Authors: | MB Patel |
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Institution: | Research and Development Centre, Indian Oil Corporation Limited, Faridabad-121007 India |
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Abstract: | Temperature evolution of the infrared spectrum of the title compound confirms the phase transition temperatures 223, 311 and 355 K reported earlier and suggests a new phase transition at 180 K. From the spectral evidence, the transitions below the room temperature (~300 K) are attributed to tumbling motion of the metal aquo-complex, while those above the room temperature are attributed to reorientational motion of the water molecule. The space group in low temperature phases is suggested to be C2s. |
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