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An Azelaato-bridged Dinuclear Copper(II) Complex, [Cu2(phen)2(C9H14O4)2] · 6 H2O (phen = 1,10-phenanthroline)

✍ Scribed by Yue-Qing Zheng; Jie Sun; Jian-Li Lin

Publisher
John Wiley and Sons
Year
2000
Tongue
German
Weight
103 KB
Volume
626
Category
Article
ISSN
0372-7874

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✦ Synopsis

The title compound [Cu 2 (phen) 2 (C 9 H 14 O 4 ) 2 ] 6 H 2 O was prepared by the reaction of CuCl 2 ´2 H 2 O, 1,10phenanthroline (phen), azelaic acid and Na 2 CO 3 in a CH 3 OH/H 2 O solution. The crystal structure (monoclinic, C2/c (no. 15), a = 22.346(3), b = 11.862(1), c = 17.989(3) A Ê , b = 91.71(1)°, Z = 4, R = 0.0473, wR 2 = 0.1344 for 4279 observed reflections) consists of centrosymmetric dinuclear [Cu 2 (phen) 2 (C 9 H 14 O 4 ) 2 ] complexes and hydrogen bonded H 2 O molecules. The Cu atom is square-planar coordinated by the two N atoms of the chelating phen ligand and two O atoms of different bidentate bridging azelaate groups with d(Cu±N) = 2.053, 2.122(2) A Ê and d(Cu±O) = 1.948(2), 2.031(2) A Ê . Two azelaate anions bridge two common Cu atoms via the terminal O atoms (d(C±O) = 1.29(2) A Ê ; d(C±C) = 1.550(4)±1.583(4) A Ê ). Phen ligands of adjacent complexes cover each other at distances of about 3.62 A Ê , indicating p-p stacking interaction, by which the complexes are linked to 1 D bands.

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The reaction of CuCl 2 ´2 H 2 O, 1,10-phenanthroline (phen), suberic acid and Na 2 CO 3 in a CH 3 CN±H 2 O solution yielded blue needle-like crystals of [Cu 2 (phen) 2 (C 8 H 12 O 4 ) 2 ] 3 H 2 O. The crystal structure (monoclinic, P2 1 /n, a = 10.756(2) A Ê , b = 9.790(2) A Ê , c = 18.593(4) A Ê ,