Raman spectroscopy study of powdered [Ni(NH 3 ) 6 ] X 2  compounds | Zendy

Janik J. M. | Zendy; Janik J. A. | Zendy; Pytasz G. | Zendy; Sokołowski J. | Zendy

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Raman spectroscopy study of powdered [Ni(NH 3 ) 6 ] X 2 compounds

Author(s) -

Janik J. M.,

Janik J. A.,

Pytasz G.,

Sokołowski J.

Publication year - 1975

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250040103

Subject(s) - raman spectroscopy , lattice (music) , analytical chemistry (journal) , ion , phonon , chemistry , spectroscopy , molecular vibration , ammonia , irradiation , lattice vibration , raman scattering , materials science , condensed matter physics , optics , physics , organic chemistry , quantum mechanics , acoustics , nuclear physics , chromatography

Ten out of eleven Raman active modes were detected in [Ni(NH 3 ) 6 ] X 2 powders, apart from internal modes of the X − ions. The Raman active lattice mode happens to agree fairly well with the predictions of a model based on the electrostatic potential field of point charges. The X = Cl compound showed evidence of losing ammonia during irradiation with the laser beam. Two modes (the NNiN angle deformation and the lattice vibration) are especially sensitive to the NH 3− vacancies thus created.

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