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Bis 2 fluorobenzoato 1 2 2 O O 2 fluorobenzoato 1 2 O O 2 fluorobenzoato 2 O dinicotinamide 1 N 1 2 N 1 dizinc II 2 fluorobenzoic acid 1 1       
Yazarlar
Tuncer Hökelek
Hacettepe Üniversitesi, Türkiye
Filiz Yılmaz
Eskişehir Teknik Üniversitesi, Türkiye
Mustafa Barış Tercan
Karabük Üniversitesi, Türkiye
 Füreya Elif ÖZTÜRKKAN Füreya Elif ÖZTÜRKKAN
Kafkas Üniversitesi, Türkiye
 Hacali NECEFOĞLU Hacali NECEFOĞLU
Kafkas Üniversitesi, Türkiye
Özet
The asymmetric unit of the title compound, [Zn2(C7H 4FO2)4(C6H6N2O)2] ·C7H5FO2, consists of a binuclear ZnII complex bridged by two carboxyl groups of 2-fluoro-benzoate (FB) anions and a 2-fluoro-benzoic acid mol-ecule. The two bridging FB anions, one chelating FB anion and one nicotinamide (NA) ligand coordinate to one Zn cation with a distorted square-pyramidal geometry, while the two bridging FB anions, one monodentate FB anion and one NA ligand coordinate to the other Zn cation with a distorted tetra-hedral geometry. Within the binuclear mol-ecule, the pyridine rings are oriented at a dihedral angle of 19.41 (14)°. In the crystal structure, the uncoordinated 2-fluorobenzoic acid mol-ecules are linked by O - H⋯O hydrogen bonding, forming centrosymmetric supra-molecular dimers. Inter-molecular N - H⋯O hydrogen bonds link the complex mol-ecules into a three-dimensional network. The π-π contacts between nearly parallel pyridine and benzene rings [dihedral angles of 19.41 (14) and 12.72 (16)°, respectively, centroid-centroid distances = 3.701 (2) and 3.857 (3) Å] may further stabilize the crystal structure. The fluorine atoms in two FB ligands are disordered over two positions, with occupancy ratios of 0.70:0.30.
Anahtar Kelimeler
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
Dergi ISSN 2056-9890
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce
Basım Tarihi 12-2009
Cilt No 65
Sayı 12
Doi Numarası 10.1107/S1600536809048089
Makale Linki http://scripts.iucr.org/cgi-bin/paper?S1600536809048089