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    • Keywords


      Raman spectra; molybdic acid; librational modes; infrared spectra

    • Abstract


      Their and Raman spectra of molybdenum trioxide—monohydrate are studied assuming an effective tetrahedral Mo-O coordination and isolated water molecules, although the crystallographic coordination is six-fold with two long Mo-O distances. Based onCt symmetry, the group theoretical analysis has been carried out and a vibrational assignment is proposed. The nature of hydrogen bonding and the librational modes of water molecules are discussed. The factor group splitting forv3, the asymmetric stretching mode of MoO4= ion, is large indicating strong interchain coupling.

    • Author Affiliations


      S Sheik Saleem1 G Aruldhas1

      1. Department of Physics, University of Kerala, Kariavattom - 695581, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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