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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/4564

Title: Vibrational spectroscopic studies of FeClMoO4, Na2MoO4 and Na2MoO4·2H2O:D2O
Authors: Junaid, Bushiri M
Mahadevan Pillai, V P
Pradeep, T
Jayasree, R S
Nayar, V U
Keywords: Deuteration
Hydrogen bonding
Infrared spectra
Raman spectra
Single crystal spectra
Issue Date: 1997
Publisher: Elsevier
Abstract: FTIR and Raman spectra of FeClMoO4 single crystal and polycrystalline Na2MoO4, Na2MoO4·2H2O and Na2MoO4·2D2O are recorded and analysed. The band positions for different modes suggest that MoO4 tetrahedron is more distorted in FeClMoO4. The larger splitting observed for the bending modes and partial retention of degeneracy of the asymmetric stretching mode indicate that angular distortion is greater than liner distortion in MoO4 2 ion in FeClMoO4 confirming x-ray data. The non-appearance of the n1 and n2 modes in the IR and partial retention of the degeneracies of various modes show that MoO4 2 ion retains Td symmetry in Na2MoO4. Wavenumber values of the n1 mode indicate that the distortion of MoO4 tetrahedra in the four crystals are in the order FeClMoO4\ Na2MoO4·2H2O\Na2MoO4·2D2O\Na2MoO4. The water bands suggest the presence of two crystallographically distinct water molecules in Na2MoO4·2H2O. They form strong hydrogen bonds
Description: Spectrochimica Acta Part A 53 (1997) 867–876
URI: http://dyuthi.cusat.ac.in/purl/4564
Appears in Collections:Dr.Junaid Bushiri M

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