title: Adducts of bis(acetylacetonato)zinc(II) with 1,10-phenanthroline and 2,2'-bipyridine.
abstract: In each of the zinc(II) complexes bis(acetylacetonato-kappa(2)O,O')(1,10-phenanthroline-kappa(2)N,N')zinc(II), [Zn(C(5)H(7)O(2))(2)(C(12)H(8)N(2))], (I), and bis(acetylacetonato-kappa(2)O,O')(2,2'-bipyridine-kappa(2)N,N')zinc(II), [Zn(C(5)H(7)O(2))(2)(C(10)H(8)N(2))], (II), the metal center has a distorted octahedral coordination geometry. Compound (I) has crystallographically imposed twofold symmetry, with Z' = 0.5. The presence of a rigid phenanthroline group precludes intramolecular hydrogen bonding, whereas the rather flexible bipyridyl ligand is twisted to form an intramolecular C-H...O interaction [the chelated bipyridyl ligand is nonplanar, with the pyridyl rings inclined at an angle of 13.4 (1) degrees]. The two metal complexes are linked by dissimilar C-H...O interactions into one-dimensional chains. The present study demonstrates the distinct effects of two commonly used ligands, viz. 1,10-phenanthroline and 2,2'-bipyridine, on the structures of metal complexes and their assembly.
authors.affiliation: Materials Research Center, Indian Institute of Science, Bangalore 560 012, India.
authors.forename: Sanjaya
authors.initials: S
authors.lastname: Brahma
authors.forename: H P
authors.initials: HP
authors.lastname: Sachin
authors.forename: S A
authors.initials: SA
authors.lastname: Shivashankar
authors.forename: T
authors.initials: T
authors.lastname: Narasimhamurthy
authors.forename: R S
authors.initials: RS
authors.lastname: Rathore
mesh_terms: D015082:2,2'-Dipyridyl / Q000737:chemistry*; D018360:Crystallography, X-Ray; D006860:Hydrogen Bonding; D008958:Models, Molecular; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000737:chemistry*; D010618:Phenanthrolines / Q000737:chemistry*
chemical_list: D009942:Organometallic Compounds; D010618:Phenanthrolines; C527941:bis(acetylacetonato)zinc(II); D015082:2,2'-Dipyridyl; C025205:1,10-phenanthroline