title: Bis(3,5-dimethyl-1H-pyrazole-κN(2))bis-(3,3'',5,5''-tetra-methyl-[1,1':3',1''-terphen-yl]-2'-carboxyl-ato-κO)iron(II) dichloro-methane monosolvate.
abstract: In the title compound, [Fe(C(23)H(21)O(2))(2)(C(5)H(8)N(2))(2)]·CH(2)Cl(2), the Fe(2+) cation is coordinated by the N atoms of two 3,5-dimethyl-pyrazole ligands and the carboxyl-ate O atoms from two tetra-methyl-terphenyl-carboxyl-ate ligands, forming an FeN(2)O(2) polyhedron with a slightly distorted tetra-hedral coordination geometry. Intra-molecular N-H⋯O and C-H⋯O hydrogen-bonding inter-actions stabilize the mol-ecular conformation. The dihedral angles formed by the central benzene ring with the outer benzene rings of the terphenyl groups are 47.92 (8), 59.38 (8), 48.24 (8) and 52.37 (8)°. The dichloro-methane solvent mol-ecule inter-acts with the complex mol-ecule via a C-H⋯O hydrogen bond. In the crystal, centrosymmetrically related complex mol-ecules are linked into dimers through pairs of C-H⋯O hydrogen bonds.
authors.affiliation: Department of Bio & Nano Chemistry, College of Natural Sciences, Kookmin University, 861-1 Jeongneung-dong, Seongbuk-gu, Seoul 136-702,  Republic of Korea.
authors.forename: Yeojin
authors.initials: Y
authors.lastname: Jeon
authors.forename: Dharmalingam
authors.initials: D
authors.lastname: Sivanesan
authors.forename: Sungho
authors.initials: S
authors.lastname: Yoon