Synthesis and Crystal Structure of a Novel Dinuclear Copper(II) Complex, [Cu2(phen)2(H2O)2(OH)2](HCO3)2 · 6 H2O with phen = 1,10-phenanthroline

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

• Publisher: John Wiley and Sons
• Year: 2000
• Tongue: German
• Weight: 91 KB
• Volume: 626
• Category: Article
• ISSN: 0372-7874
• DOI: 10.1002/(sici)1521-3749(200003)626:3<613::aid-zaac613>3.0.co;2-g

✦ Synopsis

Dark blue plate-like crystals of [Cu 2 (phen) 2 (H 2 O) 2 (OH) 2 ](HCO 3 ) 2 ´6 H 2 O were obtained from a CH 3 OH±H 2 O solution containing CuCl 2 , 1,10-phenanthroline (phen), sebacic acid and Na 2 CO 3 . The crystal structure (triclinic, P 1 (no. 2), a = 8.118(1), b = 9.624(1), c = 10.536(1) A Ê , a = 81.35(1)°, b = 88.51(1)°, c = 75.77(1)°, Z = 1, R = 0.0332, wR 2 = 0.0981 for 4163 observed reflections (F 2 o ³ 2r(F 2 o ) out of 4595 unique reflections) consists of divalent [Cu 2 (phen) 2 (H 2 O) 2 (OH) 2 ] 2+ complex cations, anionic (HCO 3 ) 2 2± dimers and H 2 O molecules. The divalent complex cations (d(Cu ´´´Cu) = 2.905(1) A Ê ) are centered at inversion centers. The Cu atoms are fivefold square-pyramidally coor-dinated by two nitrogen and three oxygen atoms from one bidentate chelating phen ligand, two bridging hydroxide groups and one axial water molecule (d(Cu±N)phen = 2.021(2), 2.024(2) A Ê ; d(Cu±O) OH = 1.941(1), 1.949(1) A Ê ; d(Cu±O) H 2 O = 2.254(2) A Ê ). The divalent complex cations are stacked to form 2 D layers parallel (001) with 1 D p-p stacking interactions along [100] via the terminal phen rings. The dimeric (HCO 3 ) 2 2± anions and the hydrogen bonded H 2 O molecules are sandwiched between the 2 D layers.