[PDF] Top 20 Crystal structure of (Z) 2 [(E) 2 benzylidenehydrazin 1 ylidene] 1,2 diphenylethanone
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Crystal structure of (Z) 2 [(E) 2 benzylidenehydrazin 1 ylidene] 1,2 diphenylethanone
... The authors acknowledge the Algerian Ministry of Higher Education and Scientific Research, the Algerian Directorate General for Scientific Research and Technological Develop- ment, and Ferhat Abbas Se´tif 1 ... See full document
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Crystal structure of (Z) 2 (1 benzyl 2 oxoindolin 3 ylidene) N phenylhydrazine 1 carbothioamide
... the crystal, molecules are linked via C—H S hydrogen bonds and C—H interactions, forming a three- dimensional ...The crystal was refined as a non- merohedral twin with a final BASF value of ... See full document
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Crystal structure and DFT study of (E) 2,6 di tert butyl 4 {[2 (pyridin 2 yl)hydrazin 1 ylidene)methyl}phenol
... The DFT quantum-chemical calculations were performed at the B3LYP/6-311 G(d,p) level (Becke, 1993) as implemented in GAUSSIAN09 (Frisch et al., 2009). DFT structure optimi- zation of (I) was performed starting ... See full document
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Crystal structure of 2 chloro 1 (3 ethyl 2,6 diphenylpiperidin 1 yl)ethanone
... solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012); software used to prepare ... See full document
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Crystal structure of 2 [(E) 2 (2 chlorobenzylidene)hydrazin 1 yl] 4 phenyl 1,3 thiazole
... Chemistry and Environmental Division, Manchester Metropolitan University, Manchester M1 5GD, England, c Chemistry Department, Faculty of Science, Mini University, 61519 El-Minia, Egypt, d Department of Physics, Faculty ... See full document
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Crystal structure of 1 (5 bromo 1 benzofuran 2 yl)ethanone oxime
... Geometry . All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in ... See full document
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2 [(E) 2 (3,4 Dichlorobenzylidene)hydrazin 1 yl]quinoxaline
... Geometry . All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in ... See full document
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2 (1,3 Dithiolan 2 ylidene) 1 phenyl 2 (1,2,4 triazol 1 yl)ethanone
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structures of (E) 1 {3 [(5 fluoro 2 hydroxybenzylidene)amino]phenyl}ethanone and of a fourth polymorph of (E) 1 {3 [(2 hydroxy 3 methoxybenzylidene)amino]phenyl}ethanone
... single crystal X-ray diffraction were grown by slow evaporation, at ambient temperature and in the presence of air, of solutions in dimethylsulfoxide for (I) and in ... See full document
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Crystal structure of 2 chloro 1 (3 methyl 2,6 diphenylpiperidin 1 yl)ethanone
... A mixture of t-3-methyl-r-2,c-6-diphenylpiperidine (5 mmol), chloroacetyl chloride (20 mmol) and triethylamine (20 mmol) in anhydrous benzene (20 ml) was stirred at rt. The precipitated ammonium salt was filtered ... See full document
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Crystal structure of (E) N phenyl N′ [1 (thiophen 2 yl)ethylidene]formohydrazide
... (Fig. 1), the bond lengths do not show much variation in the core structure of the derivatives, and are similar to the standard values (Allen et ...and phenyl (C8–C13) rings are nearly perpendicular ... See full document
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Bis{(Z) [(E) 2 (pyridin 2 ylmethylidene)hydrazin 1 ylidene][(pyridin 2 yl)methylsulfanyl]methanethiolato}nickel(II)
... the crystal are stabilized by weak intermolecular C—H···S hydrogen bonding interactions (Table 1; ...Fig. 2). Moreover, the pyridine rings (C1—C2—C3—C4—C5—N1) at (x, y, z) and (3/2 - x, ... See full document
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Crystal structure of (E) 3 {[2 (2,4 dichlorobenzylidene)hydrazin 1 yl]carbonyl}pyridinium chloride trihydrate
... the crystal, the organic cation, the chloride anion and the three water molecules of crystallization are linked through an intricate hydrogen-bonding network consisting of N—H···O, N—H···Cl, C—H···O, C—H···Cl, ... See full document
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Crystal structure of ethyl 2 (2 {(1E) [(E) 2 (2 hydroxybenzylidene)hydrazin 1 ylidene]methyl}phenoxy)acetate
... A mixture of 0.01 mol of 2-hydroxybenzohydrazide and 0.01 mol of ethyl 2-(2-formylphenoxy)acetate in 20 ml of ethanol was heated under reflux for 2 h. The solid product which precipitated from ... See full document
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2 (1H Benzotriazol 1 yl) 1 phenyl 2 (1H 1,2,4 triazol 1 yl)ethanone cyclohexane hemisolvate
... the crystal structure of (I), molecules are linked into double chains by intermolecular C8—H8A N5 and C16— H16A N3 interactions ...(Fig. 2, Table ...y, 1 z) = 3.755 (2) A ˚ , ... See full document
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Crystal structure of chlorido{1 (2,3 dimethyl 5 oxido 1 phenyl 1H pyrazol 2 ium 4 yl κO) 2 [3 methyl 5 oxo 1 phenyl 4,5 dihydro 1H pyrazol 4 ylidene κO]hydrazin 1 ido κN1}copper(II) from laboratory X ray powder data
... planarity of the Cu II coordination. The organic anions act as tridentate chelating ligands. The N14—N15, N14—C13 and N15—C16 bond lengths [1.306 (17), 1.34 (2) and 1.39 (2) A ˚ , respectively] are very ... See full document
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Synthesis and crystal structure of ((E) {2 [(E) (4 hydroxynaphthalen 1 yl)methylidene]hydrazin 1 yl}(methylsulfanyl)methylidene)azanium hydrogen sulfate monohydrate
... ene)isothiosemicarbazidium iodide monohydrate (JIHZUV; Bourosh et al., 1990) and 8-quinolinealdehyde S-methylthio- semicarbazone hydrochloride dihydrate (RUJXOK; Botosh- ansky et al. , 2009). Only the coordinates for the ... See full document
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Crystal structure of (E) N {2 [2 (2 chlorobenzylidene)hydrazin 1 yl] 2 oxoethyl} 4 methylbenzamide monohydrate
... The title compound crystallizes as a monohydrate (Fig. 1). The conformation of the N—H bond in the amide part is anti with respect to both the C O bonds in the molecule, while the N— H bond in the hydrazone part ... See full document
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1 (1 Benzyl 1H benzimidazol 2 yl)ethanone
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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Crystal structure of 1 ((1E) {(E) 2 [(2 hydroxynaphthalen 1 yl)methylidene]hydrazin 1 ylidene}methyl)naphthalen 2 ol
... Geometry . All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of ... See full document
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