Solutions of complex copper salts in low-transition-temperature mixture (LTTM)

The structure and properties of diethanolamine complexes of copper(ii) triflates dissolved in an excess of diethanolamine (DH2) were studied. The copper containing substance was found to be a solution of copper(ii) complex salt [Cu(2+)DH2(DH(-))]OTf(-) in LTTM composition [(DH2)4H(+)](OTf(-)), where...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2015-01, Vol.44 (42), p.18576-18584
Main Authors: Zakharov, Maxim A, Fetisov, Gennady V, Veligzhanin, Alexei A, Bykov, Michael A, Paseshnichenko, Ksenia A, Dunaev, Sergei F, Aslanov, Leonid A
Format: Article
Language:English
Subjects:
Anions
Atomic properties
Coordination numbers
Copper
Decomposition
Diethanolamines
DISSOLUTION
PROPERTIES
SALTS
Volatility
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Summary:The structure and properties of diethanolamine complexes of copper(ii) triflates dissolved in an excess of diethanolamine (DH2) were studied. The copper containing substance was found to be a solution of copper(ii) complex salt [Cu(2+)DH2(DH(-))]OTf(-) in LTTM composition [(DH2)4H(+)](OTf(-)), where LTTM = low-transition-temperature mixture, OTf(-) = triflate anion. According to the EXAFS data, the coordination number of copper(ii) atoms in solution does not exceed four. Addition of even negligible amounts of acid significantly changes DH2 volatility and decomposition conditions.
ISSN:1477-9226
1477-9234
DOI:10.1039/c5dt02941d