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Synthesis, vibrational spectra, and crystal and molecular structure of copper 1,5-bis[2-(dihydroxyphosphinyl)phenoxy]-3-oxapentane dihydrate [Cu(H2L2)(H2O)2] |
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| Authors: | B E Baulin M A Kiskin I S Ivanova E N Pyatova D V Baulin A Yu Tsivadze |
| Institution: | 1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia 2. Institute of Physiologically Active Substances, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia 3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
| Abstract: | A new complex Cu(H2L2)(H2O)2] (I), where H4L2 is 1,5-bis2-(dihydroxyphosphinyl)phenoxy]-3-oxapentane, has been synthesized and characterized. Its molecular and crystal structure has been determined by X-ray crystallography and vibrational spectroscopy. In mononuclear complex I, the copper(II) cation is in a distorted square-planar environment of two water oxygen atoms and two oxygen atoms of the chelating dianion (H2L2)2?. The crystals are orthorhombic, space group Cmc21, a = 25.909(5) ?, b = 9.1500(18) ?, c = 8.5600(17) ?, V = 2029.3(7) ?3, Z = 4, ??calc = 1.688 g cm?3, ?? = 1.292 cm?1; 3107 measured reflections, 1174 reflections with I > 2.0??(I), R int = 0.0600, GOOF = 1.413, R 1 (I > 2??(I)) = 0.0812, wR 2 (I > 2??(I)) = 0.2145. |
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