Mössbauer parameters have been determined, at 80 K, for some new complexes of the type [FeX(CNR)5-nLn]ClO4(n 3, 2, 0; X Br-, I-; L PhP(OEt)2; R 4-CH3C6H4, 2-CH3C6H4, C6H5, 4-NO2C6H4, 4-CH3OC6H4, 2,6-(CH3)2C6H3 and [FeX2(4-CH3C6H4NC) 4]. Treatment by the point-charge model has been carried out to rationalize quadrupole splitting and centre shift values for chloro, bromo and iodo derivatives. The structural assignments, by pqs parameters, are consistent with X-ray and IR data. © 1977.
Mössbauer studies of some new hexacoordinate iron(II) complexes with isocyanides, phosphines and halides
CALOGERO, Sandro;ALBERTIN, Gabriele;ORIO, Angelo Antonio;
1977-01-01
Abstract
Mössbauer parameters have been determined, at 80 K, for some new complexes of the type [FeX(CNR)5-nLn]ClO4(n 3, 2, 0; X Br-, I-; L PhP(OEt)2; R 4-CH3C6H4, 2-CH3C6H4, C6H5, 4-NO2C6H4, 4-CH3OC6H4, 2,6-(CH3)2C6H3 and [FeX2(4-CH3C6H4NC) 4]. Treatment by the point-charge model has been carried out to rationalize quadrupole splitting and centre shift values for chloro, bromo and iodo derivatives. The structural assignments, by pqs parameters, are consistent with X-ray and IR data. © 1977.
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