[1,5-Bis(1-methyl-1H-imidazol-2-yl-methyl-kappa N-3)-1,5-diazacyclooctane-N,N ' ]chlorocobalt(II) perchlorate

作者：Du M; Shang ZL; Xu Q; Zhang RH; Leng XB; Bu XH^*

来源：Acta Crystallographica Section C-Crystal Structure Communications, 2000, 56: 769-770.

DOI：10.1107/S0108270100004789

The crystal structure of the title compound, [CoCl(C16H26N6)]ClO4, consists of discrete [CoCl(C16H26N6)](+) cations and perchlorate anions. The five-coordinate Co-II atom has four nitrogen donors from the new mesocyclic ligand 1,5-bis(1-methyl-1H-imidazol-2-ylmethyl)-1,5-diazacyclooctane [Co-N 2.046 (3)-2.214 (4) Angstrom], and a chloride anion at the apical site [Co-Cl 2.3184 (13) Angstrom]. The coordination geometry of the complex is essentially square pyramidal. The mesocyclic ligand takes a boat-chair configuration and the two imidazole pendants are not coplanar. The dihedral angle between the two imidazole planes is 15.97 degrees. An H atom from the 1,5-diazacyclooctane group effectively blocks the axial coordination site opposite the Cl ligand.

• 出版日期2000-7
• 单位南开大学