[PDF] Top 20 Reinvestigation of the crystal structure of N (4 chlorobenzylidene) 2 hydroxyaniline: a three dimensional structure containing O—H⋯N, O—H⋯O and C—H⋯π(arene) hydrogen bonds
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Reinvestigation of the crystal structure of N (4 chlorobenzylidene) 2 hydroxyaniline: a three dimensional structure containing O—H⋯N, O—H⋯O and C—H⋯π(arene) hydrogen bonds
... associated intramolecular H N distance was only 1.66 A ˚ , which is very short, even for a strong O—H N hydrogen bond. Hence any conclusions drawn from the deposited atomic ... See full document
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Reinvestigation of the crystal structure of it N (4 chlorobenzylidene) 2 hydroxyaniline : a three dimensional structure containing O—H···N, O—H···O and C—H···π(arene) hydrogen bonds
... by O— H N hydrogen bonds to form chains of the C(7) and C(8) types, respectively, while in compound (IV) (Saranya et ...sole O—H N interaction is ... See full document
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The crystal structure of (E) 2 ethyl N (4 nitrobenzylidene)aniline: three dimensional supramolecular assembly mediated by C—H⋯O hydrogen bonds and nitro⋯π(arene) interactions
... of 2-ethylaniline (100 mg, 0.826 mmol) and 4-nitro- benzaldehyde (124 mg, ...3 h, when completion of the reaction was confirmed using thin layer ...single crystal X-ray diffraction; yield ... See full document
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Crystal structures of the recreational drug N (4 methoxyphenyl)piperazine (MeOPP) and three of its salts
... of N—H O and C—H (arene) hydrogen bonds to form complex sheets; however, the formation of the sheet structure is readily analysed in terms of two simpler, ... See full document
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The crystal structure of (E) 2 ethyl N (4 nitrobenzylidene)aniline: three dimensional supramolecular assembly mediated by C H···O hydrogen bonds and nitro···π(arene) interactions
... Geometry . All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, ... See full document
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Crystal structure of bis[tris(1,10 phenanthroline κ2N,N′)cobalt(II)] tetranitrate N,N′ (1,4 phenylenedicarbonyl)diglycine solvate octahydrate
... prevail between the O10 atom of a water molecule and the Cg3 centroid of a phenanthroline ligand, where Cg2 and Cg3 are the centroids defined by the ring atoms N1/C1–C4/C12 and C4–C7/C11/C12, respectively. The values are ... See full document
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4 Benzyl 3 (2 furyl) 1H 1,2,4 triazole 5(4H) thione hemihydrate
... links three adjacent triazole molecules to form a cluster via intermolecular O—H S, N—H S and N—H O hydrogen bonds, generating a 10-membered ring of ... See full document
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[2 Hydroxy 1,1 bis(hydroxymethyl)ethyl]bis(2 hydroxyethyl)ammonium 4 nitrobenzoate monohydrate
... The H atoms attached to N1 and O10 were refined with the distance restraints ...other H atoms were placed in calculated positions and allowed to ride on their parent atoms at distances of ...(methylene ... See full document
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4 Dimethylaminopyridinium 2,4 dinitrophenolate: supramolecular aggregation through N—H⋯O, C—H⋯O, C—H⋯π and π–π interactions
... molecules containing π-electron systems asymmetrized by electron-donor and -acceptor groups are highly polarizable entities in which problems of transparency and crystal growth may arise from their ... See full document
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Synthesis, thermal studies and crystal structure of 4-aminopyridinium semi-oxalate hemihydrate
... Particularly, 4- aminopyridine (fampridine) is used in the treatment of neurological ailments, such as multiple sclerosis (MS), with tests showing that improves motor function in MS patients [6, ... See full document
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Dimethylammonium 2,4,5 tricarboxybenzoate: an example of the decarbonylation of N,N dimethylformamide in the presence of a metal and a benzenepolycarboxylic acid Is zirconium(IV) the Tsotsi?
... 0.5 mL DMF and the two solutions were combined in a small sample vial. This was placed inside a larger sample vial. 0.5 mL of deionized water was added before it was covered and left until crystallization was complete. ... See full document
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Stoichiometric and polymorphic salt of imidazolium picrate monohydrate
... a crystal. Fingerprint plots (Fig. 4) and show that for the picrate anion ...the O H (hydrogen-bonding) and C C (– interaction) contacts, ...the O H ... See full document
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7′ (4 Methoxyphenyl)chroman 3 spiro 6′ hexahydro 1H pyrrolo[1,2 c]thiazole 5′ spiro 3′′ 1′′H indole 4,2′′(3′′H) dione
... A displacement ellipsoid plot of (I) is shown in Fig. 1. The C—S bond lengths are comparable to the reported mean value of 1.819 (19) A ˚ (Allen et al., 1987). The geometry of the chromanone group is also close to ... See full document
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Crystal structures of N2,N3,N5,N6 tetrakis(pyridin 2 ylmethyl)pyrazine 2,3,5,6 tetracarboxamide and N2,N3,N5,N6 tetrakis(pyridin 4 ylmethyl)pyrazine 2,3,5,6 tetracarboxamide
... Geometry . All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, ... See full document
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Diaquabis(1H imidazole 4 carboxylato κ2N3,O4)manganese(II)
... 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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Three New Compounds Derived from Nitrofurantoin: X Ray Structures and Hirshfeld Surface Analyses
... The crystal structure analyses show that there are various weak forces among the molecules, such as C/N-H···O, N-H···N hydrogen bond interactions and π···π/lone pair stacking interaction[r] ... See full document
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rac 5 Bromo N benzylisatincreatinine ethanol monosolvate
... 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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1 (4 Methylphenylsulfonyl) 1H 1,2,3 benzotriazole: sheets built from C—H⋯N, C—H⋯O and C—H⋯π(arene) hydrogen bonds
... from C—H N hydrogen bonds centred at (n + ...0.5, n + 0.5, n + 0.5) (n = zero or integer) and the rings built from C—H O hydrogen ... See full document
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2 Hydroxyimino 1 phenylethanone thiosemicarbazone monohydrate
... 2001), N-hydroxy-2-oxo-2,N′-diphenylacetamidine, [(IV) (Büyükgüngör et ...2003], N-(3,4-dichlorophenyl)-N′-hydroxy-2-oxo-2-phenylacetamidine, [(V) Hökelek et ... See full document
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L Histidinium sulfate
... The crystal structures of l -histidine (Madden et ...the crystal structure of the title compound, (I), the anhydrous form of l -histidinium ... See full document
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