Please use this identifier to cite or link to this item: http://hdl.handle.net/11717/3670
Title: Temperature dependent study of the single crystal electronic spectrum of octahedral Ni2+ ion subjected to distortions in weak fields
Authors: Chandramouli, G.V.R.
Manoharan, P.T.
Keywords: Electronic spectrum
high spin
nickel ion
distorted octahedral symmetry
Issue Date: 1992
Publisher: Springer India
Citation: Pramana, 39(6), 639-653
Abstract: Electronic spectra of two high spin d8 nickel complexes, Ni(en)3Cl2.2H2O and Ni(OAc)2.4H2O, are reported. Polarized spectra were measured at 298 K. Temperature dependent spectra were measured using unpolarized light down to 20 K. The spectra at 20 K are well resolved revealing the features of spin-forbidden transitions and vibrational fine structure on some of the bands. Some of the spectra are deconvoluted to separate out the overlapping bands. The assignments are made using D3 symmetry for Ni(en)3Cl2.2H2O complex while D4 symmetry is used for Ni(OAc)2.4H2O. The energies of the spectroscopic states are calculated and compared with the observed transition energies. The distortion parameters are determined.
URI: http://dx.doi.org/10.1007/BF02847282
http://hdl.handle.net/11717/3670
ISSN: 3044289
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