Güncel Gönderiler: Fen-Edebiyat Fakültesi
Toplam kayıt 303, listelenen: 141-160
-
1-(1,3-Benzothiazol-2-yl)propan-2-ol
(Wiley-Blackwell, 2005)In the title compound, C10H11NOS, the asymmetric unit contains two molecules. The structure is stabilized by an intermolecular O-(HN)-N-... hydrogen bond. -
Redetermination of bis(O,O '-dicyclohexyl phosphorodithioato)nickel(II)
(Blackwell Publishing, 2005)The structure of the title compound, [Ni(C12H22O2PS2)(2)], has been determined previously [Chichang et al. (1987). Chin. J. Struct. Chem. 6, 186], but the current determination provides a significant increase in the precision ... -
(E)-ethyl 4-chloro-3-[2-(2-fluorophenyl)-hydrazono]butanoate
(Int Union Crystallography, 2005)The title compound, C12H12ClFN2O3, adopts a keto-hydrazo tautomeric form stabilized by an intramolecular N-H (. . .) O hydrogen bond. The whole molecule is roughly planar, the largest deviation from the mean plane being ... -
Z)-3-hydroxy-6-[(2-methoxyphenylamino)-methylene]cyclohexa-2,4-dienone
(Int Union Crystallography, 2005)The title compound, C14H13N1O3, adopts the keto-amine tautomeric form, with an intramolecular N - H (...) O resonance-assisted hydrogen bond. The two benzene rings are nearly coplanar [dihedral angle = 14.3 (2)degrees]. ... -
1-Methoxyethyl-5-nitrobenzimidazole
(Int Union Crystallography, 2005)The title compound, C10H11N3O3, was synthesized by the reaction of 5-nitrobenzimidazole, 2-chloroethyl methyl ether and KOH in ethanol. The bond lengths and angles are unexceptional. -
2-Hydroxy-6-[(1-napthylamino)methylene]-cyclohexa-2,4-dien-1-one
(Int Union Crystallography, 2005)The molecule of the title compound, C17H13NO2, is nearly planar and exists in the keto-amine (N-H center dot center dot center dot O) tautomeric form, with a strong intramolecular hydrogen bond of 2.576 (2) angstrom between ... -
(E)-2-[1,3-dihydroxy-2-(hydroxymethyl)propan-2-ylaminomethylene]-4-[(4-ethylphenyl)diazenyl]-6-methoxycyclohexanone
(Int Union Crystallography, 2005)The title compound, C20H25N3O5, adopts the keto-amine tautomeric form and displays the characteristic features of azobenzene derivatives. Intramolecular N - H (...) O and O H (...) O and intermolecular O - H (...) O ... -
O,O-bis(2-tert-butyl-4-methoxyphenyl)chlorothiophosphonate. Corrigendum.
(Int Union Crystallography, 2005)In the original report by Odabasoglu, Buyukgungor & Albayrak [ Acta Cryst. ( 2005), E61, o2528 - o2530], the structure was reported in the incorrect space group Cc. The structure is now reported as disordered in the correct ... -
Synthesis, crystal structure and thermal properties of copper(II) orotato complex with 2,2 '-bipyridine
(Walter De Gruyter Gmbh, 2005)A mixed-ligand orotato (HOr) complex of Cu(II) with 2,2'-bipyridine (bipy) was synthesized and characterized by elemental analysis, magnetic susceptibility, UV-vis and FT-IR spectroscopy, TG / DTA techniques and X-ray ... -
Methyl 2-oxo-2,3-dihydro-1,3-benzothiazole-3-acetate
(Int Union Crystallography, 2005)The title compound, C10H9NO3S, crystallizes with two molecules in the asymmetric unit. The crystal packing is stabilized by van der Waals forces. -
(2,9-Dimethyl-1,10-phenanthroline-kappa N-2,N ')(pyridine-2,6-dicarboxylato-kappa O-3(2),N,O-6)copper(II) trihydrate
(Blackwell Publishing, 2005)… -
6-Phenyl-3-(4-pyridyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazole
(Int Union Crystallography, 2005)… -
(E)-5-(4-Bromophenyldiazenyl)salicylaldehyde
(Int Union Crystallography, 2005)The molecule of the title compound, C13H9BrN2O2, is approximately planar and displays a trans configuration with respect to the N=N double bond. The dihedral angle between the two aromatic rings is 3.65 (16)degrees. The ... -
(Z)-4-[(E)-(4-Butylphenyl)diazenyl]-6-{[1,3-dihydroxy-2-(hydroxymethyl) propan-2-ylamino]methylene}-2-methoxycyclohexa-2,4-dienone
(Int Union Crystallography, 2005)The title compound, C22H29N3O5, is approximately planar with the aromatic rings in a trans configuration with respect to the azo double bond. The eneamine portion of the molecule exists as the keto-amine tautomer, stabilized ... -
4-Bromo-2-{[4-(3-mesityl-3-methylcyclobutyl)thiazol-2-yl]hydrazonomethyl}phenol, with N-H center dot center dot center dot N,C-H center dot center dot center dot pi and pi-pi interactions
(Blackwell Publishing, 2005)The title compound, C24H26BrN3OS, crystallizes in the triclinic space group P (1) over bar, with two independent molecules in the asymmetric unit. The molecules adopt an E geometry about the azomethine C=N double bond. The ... -
N-(2,4-Dimethoxybenzylideneamino)guanidiniurn dihydrogenphosphate
(Int Union Crystallography, 2005)In the asymmetric unit of the title compound, C10H15N4O2+center dot H2PO4-, there are two protonated aminoguanidinium cations and two dihydrogenphosphate anions. The positive charge on the protonated amidine group is ... -
Crystal structure of methyl (6-(2-fluorobenzoyl)-5-chloro-2-benzoxazolinon-3-yl)-acetate, C17H11CIFNO5
(Oldenbourg Verlag, 2006)C17H11CIFNO5, monoclinic, P12(1)/cl (no. 14), a = 7.489(5) angstrom, b = 18.367(5) angstrom, c = 11.752(5) angstrom, beta = 94.222(5)degrees. V = 1612.1 angstrom(3), Z = 4, R-gt(F) = 0.032, wR(ref)(F-2) = 0.083, T = 293 K. -
2-Amino-3-methylpyridinium acetate
(Int Union Crystallography, 2006)The title compound, C6H9N2+ center dot C2H3O2-, contains eight- and sixteen-membered hydrogen-bonded rings involving 2-amino-3-methylpyridinium and acetate ions. The 2-amino-3-methylpyridinium and acetate ions are linked ... -
1-(3-methyl-3-phenylcyclobutyl)-2-(piperidin-1-yl) ethanone oxime
(Int Union Crystallography, 2006)The asymmetric unit of the title compound, C18H26N2O, contains two molecules. In both molecules, the oxime group has an E configuration and the piperidine ring adopts a chair conformation. Intramolecular C-H (...) O and ... -
Bis(3-formyl-4-hydroxy-5-methoxyphenyl)-methane
(Int Union Crystallography, 2006)In the title compound, C17H16O3, the asymmetric unit contains one half-molecule; a twofold rotation axis bisects the molecule. The structure is stabilized by O-(HN)-N-... intramolecular hydrogen bonds and C-H-...pi and ...
