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Bromokomplexe des Kupfers in Acetonitril
Author(s) -
Schneider W.,
v. Zelewsky A.
Publication year - 1963
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19630460604
Subject(s) - chemistry , nitromethane , acetonitrile , bromine , bromide , acetic acid , dimethylformamide , medicinal chemistry , absorption (acoustics) , inorganic chemistry , solvent , organic chemistry , physics , acoustics
It is deduced from absorption spectra and susceptibilities of acetonitrile solutions containing Cu II and bromide, that the lower complexes CuBr + and CuBr 2 are unstable with respect to Cu I , elementary bromine and CuBr 3 − . The complex CuBr 3 − has a low tendency to add another bromide to form CuBr 4 2− . A number of spectral data show that quite generally in organic solvents such as acetonitrile, ethyl acetate, acetic acid, nitromethane and dimethylformamide the trihalogeno‐complex CuX 3 − can exist in the presence of CuX + , whereas CuX 2 is unstable with respect to the mono‐ and the tri‐complex.
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