title: catena-Poly[[(1,10-phenanthroline)copper(II)]-μ-oxalato].
abstract: In the title coordination polymer, [Cu(C(2)O(4))(C(12)H(8)N(2))](n), the Cu(II) atom is six-coordinated by four O atoms from two oxalate ligands and two N atoms from one 1,10-phenanthroline (phen) ligand in a distorted octa-hedral coordination geometry. The oxalate anions act as bis-bidentate ligands, bridging the Cu-phen units in zigzag chains extending parallel to [100]. Inter-chain C-H⋯O hydrogen bonding and π-π stacking inter-actions [centroid-centroid distance = 3.7439 (17) Å] assemble neighboring chains, forming a three-dimensional supra-molecular network.
authors.forename: Jun
authors.initials: J
authors.lastname: Wang
authors.forename: Yong
authors.initials: Y
authors.lastname: Hou
authors.forename: Zhi-Li
authors.initials: ZL
authors.lastname: Fang