title: Dichloro(O-ethyl 3-methylpyridine-2-carboximidic acid-kappa2N,N')copper(II).
abstract: In the title compound, [CuCl2(C9H12N2O)], the Cu(II) atom is coordinated by two Cl- anions and two N atoms of one O-ethyl 3-methylpyridine-2-carboximidic acid molecule in a slightly distorted square-planar geometry, with Cu-N distances of 2.0483 (17) and 1.9404 (18) A, and Cu-Cl distances of 2.2805 (10) and 2.2275 (14) A. In addition, each Cu(II) atom is connected by one Cl- anion and the Cu(II) atom from a neighbouring molecule, with Cu...Cl and Cu...Cu distances of 2.9098 (13) and 3.4022 (12) A, respectively, and, therefore, a centrosymmetric dimer is formed. Adjacent molecular dimers are connected by pi-pi stacking interactions between pyridine rings to form a zigzag molecular chain. The molecular chains are also enforced by N-H...Cl and C-H...Cl interactions.
authors.affiliation: College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310023, People's Republic of China. xuanrc@hotmail.com
authors.forename: Ri Cheng
authors.initials: RC
authors.lastname: Xuan
authors.forename: Min
authors.initials: M
authors.lastname: Xu
authors.forename: Dong Ping
authors.initials: DP
authors.lastname: Cheng
mesh_terms: D002713:Chlorine / Q000737:chemistry*; D003300:Copper / Q000737:chemistry*; D018360:Crystallography, X-Ray; D019281:Dimerization; D006860:Hydrogen Bonding; D015394:Molecular Structure; D009584:Nitrogen / Q000737:chemistry*; D009942:Organometallic Compounds / Q000737:chemistry*; D011725:Pyridines / Q000737:chemistry*
chemical_list: D009942:Organometallic Compounds; D011725:Pyridines; C517990:dichloro(O-ethyl 3-methylpyridine-2-carboximidic acid-kappa(2)N,N')copper(II); D002713:Chlorine; D003300:Copper; D009584:Nitrogen