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    • Infrared and Raman spectra of three tetrametaphosphatesM2P4O12(M = Fe, Ni, Zn)

      K Viswanathan V U Nayar G Aruldhas

      Physical and Theoretical Volume 95 Issue 5-6 December 1985 pp 463-469

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/095/05-06/0463-0469

    • Keywords

       

      Vibrational spectra; tetrametaphosphates; free ion symmetry; P-O-P and PO22− groups

    • Abstract

       

      The infrared and Raman spectra of three tetrametaphosphatesM2P4O12 (M = Fe, Ni, Zn) have been recorded and analysed. A factor group model has been used to interpret the spectra of Fe2P4O12 and Ni2P4O12. A free ion model could explain the Zn2P4O12 spectra. The frequencies have been assigned on the basis of characteristic vibrations of PO22− and P-O-P groups. The P4O124− ion is found to haveCi symmetry in Fe2P4O12 and Ni2P4O12 andC24 in Zn2P4O12. The ion in Fe2P4O12 is more distorted than in the other two.

    • Author Affiliations

       

      K Viswanathan1 V U Nayar1 G Aruldhas1

      1. Department of Physics, University of Kerala, Kariavattom, Trivandrum - 695 581, India

    • Dates

       
      Published
      December 1985
      Manuscript received
      29 May 1985

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