Di-μ-chloro-bis{chloro[1,2-diphenyl-2-(phenylamino)ethanoximato]copper(II)}

Abstract

The title compound, [Cu2Cl4(C20H18N2O)2], is a centrosymmetric dimer bridged through the Cl atoms. The bridging Cu2Cl2 unit is planar and each CuII ion has two different distances to the bridging Cl atom. The CuII ions are coordinated to three Cl and two N atoms in a square‐pyramidal disposition. Hydro­gen bonds are formed by –OH and –NH with the Cl atoms.

Chemical equilibrium in the complexation of first transition series divalent cations Cu2+, Mn2+ and Zn2+ with chitosan

“…Since the three dimension-structure of a biopolymer, chitosan can coordinate with the metal ions forming mono or dinuclear units with possible metallic bridges with chlorine atoms. [40][41][42] In this way, tetracoordinated …”

Di-μ-chlorido-bis[aqua(2,2′-bipyridine-κ2N,N′)chloridocobalt(II)]

“…For Cl atoms acting as the bridging anions in transition metal complexes in multi-dimensional molecule-based magnetic materials, see: Jian et al (2005). For related structures, see: Leznoff et al (2003); Liu et al(2004); Puschmann et al (2001).…”

“…In the study of multidimensional molecule-based magnetic materials and other areas, the Cl atoms acting as the bridging anions has frequently been used to bridge transition metal complexes (Jian et al, 2005). Many such compounds have been reported (Leznoff et al, 2003;Liu et al, 2004;Puschmann et al, 2001). Herein, we reported the structure of the title Co II compound (I).…”

Di-μ-chlorido-bis{aqua[5-ethyl-2-(5-isopropyl-5-methyl-4-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinato]copper(II)}

“…The Cu1-Cl1 and Cu1-Cl1 i [symmetry code: (i) 1 -x, 1 -y, 1 -z] distances are not equal [2.2301 (11) and 2.7249 (11) Å]. The distance between Cu and Cu1 i is less than the value in di-u-chloro-bis{chloro[1,2-diphenyl-2-(phenylamino)ethanoximato]copper(II)} (Puschmann, Batsanov et al, 2001) [3.4275 (4) versus 3.5172 (4) Å] and is longer than that in di- ]. In the asymmetric unit, the dihedral angle between the plane of the pyridine ring and the imidazole group plane is 2.49 (4) °.…”