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Studies on the solid state reactions of coordination conpounds . XLVIII. The effect of KSCN on the thermal decomposition of cobalt(III)‐ammine complexes
Author(s) -
Zheng LiMin,
Xin XinQuan
Publication year - 1993
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.19930110305
Subject(s) - chemistry , cobalt , thermal decomposition , decomposition , inorganic chemistry , solid state , hydrogen , kinetic energy , organic chemistry , physics , quantum mechanics
The evolved gaseous analysis (EGA), infrared spectra, and XRD have been applied to the study of solid state reactions of KSCN with five cobalt(II)‐ammine complexes: [Co‐(NH 3 ) 5 N 3 ]Cl 2 . [Co(NH 3 ) 5 (NO 2 )]Cl 2 . [Co(NH 3 ) 5 (H 2 O)]Cl 3 . [Co(NH 3 ) 5 Cl]Cl 2 , and [Co(NH 3 ) 6 ]Cl 3 in a hydrogen atmosphere. It is found that the existence of KSCN shifts the thermal decomposition of these complexes to a lower temperature. The corresponding peak temperatures are near 140°C. The effect of KSCN is discussed and kinetic parameters of deammine reactions are calculated.