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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/4551

Title: Vibrational spectroscopic studies of Guanidinium metal (MII) sulphate hexahydrates [MII = Co, Fe, Ni]
Authors: Junaid, Bushiri M
Antony, C J
Michel, Fleck
Keywords: Guanidinium ions
Sulphate groups
Raman spectra
FTIR spectra
Issue Date: 27-May-2007
Publisher: Elsevier
Abstract: The Raman and FTIR spectra of [C(NH2)3]2M(SO4)2 ·6H2O (withM= Co, Fe, Ni) were recorded and analysed. The observed spectral bands are assigned in terms of vibrations of guanidinium ions, sulphate groups and water molecules. The analysis shows that the sulphate tetrahedra are distorted from their free state symmetry Td to C1. This is attributed to the presence of hydrogen bonds from water molecules. The order of distortion of the metal oxygen octahedra influenced the distortion of the sulphate tetrahedra. The appearance of 1– 3 modes of water molecules above 3300 cm−1 indicates the presence of weak hydrogen bonds
Description: Solid State Communications 143 (2007) 348–352
URI: http://dyuthi.cusat.ac.in/purl/4551
Appears in Collections:Dr.Junaid Bushiri M

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