Mixed-ligand complexes of alkaline-earth metal trifluoroacetates with monoethanolamine

• Published in: Russian journal of coordination chemistry Vol. 36; no. 11; pp. 804 - 809
• Main Authors: Kharchenko, A. V., Makarevich, A. M., Lysenko, K. A., Kuzmina, N. P.
• Format: Journal Article
• Language: English
• Published: Dordrecht SP MAIK Nauka/Interperiodica 01-11-2010
• Subjects: Chemistry; Chemistry and Materials Science; Inorganic Chemistry; Physical Chemistry; Monoethanolamine; Amino Alcohol; Coordination Polymer; Mixed Ligand Complex; MDEA
• ISSN: 1070-3284; 1608-3318
• DOI: 10.1134/S1070328410110047

The mixed-ligand complexes of the formula [M(CF
3
COO)
2
(MEA)
n
] (MEA is monoethanolamine; M = Ca (
I
) and Sr (
II
),
n
= 1.5; M = Ba (
III
), (
n
= 1) were obtained from appropriate salts M(CF
3
COO)
2
·
n
H
2
O and MEA in ethanol. Complexes
I–III
were characterized by elemental analysis data and IR spectra. Slow crystallization of a solution of complex
III
in air gave a single crystal of the formula [Ba(CF
3
COO)
2
(MEA)(H
2
O)], which is a coordination polymer with C.N.(Ba) 9 (X-ray diffraction data). Thermal analysis showed that complexes
I–III
decompose under argon and in air to the corresponding fluorides at
T
< 400°C.