scholarly journals 4-Chloro-2-[(4-chlorobenzylidene)amino]phenol

2012 ◽  
Vol 68 (6) ◽  
pp. o1696-o1696 ◽  
Author(s):  
Kürşat Efil ◽  
Fatih Şen ◽  
Yunus Bekdemir ◽  
Orhan Büyükgüngör
Keyword(s):  
Hydrogen Bond ◽  
Schiff Base ◽  
Double Bond ◽  
Dihedral Angle ◽  
One Dimensional ◽  
Compound C ◽  
Benzene Rings ◽  
Amino Phenol ◽  
Schiff Base Compound ◽  
Base Compound

In the title Schiff base compound, C13H9Cl2NO, the molecule displays an E conformation about the imine C=N double bond, with a dihedral angle of 8.09 (11)° between the two benzene rings. In the crystal, molecules are linked by a single O—H...O hydrogen bond, giving one-dimensional chains which extend along (100).

scholarly journals Crystal structure of (E)-4-methoxy-2-{[(5-methylpyridin-2-yl)imino]methyl}phenol

2015 ◽  
Vol 71 (11) ◽  
pp. o819-o819 ◽  
Author(s):  
Farook Adam ◽  
Md Azharul Arafath ◽  
Rosenani Anwaeul Haque ◽  
Mohd Rizal Razali
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Schiff Base ◽  
Double Bond ◽  
Dihedral Angle ◽  
Compound C ◽  
Benzene Rings ◽  
Schiff Base Compound ◽  
Intramolecular Hydrogen ◽  
Base Compound

The molecule of the title Schiff base compound, C14H14N2O2, displays anEconformation with respect the imine C=N double bond. The molecule is approximately planar, with the dihedral angle formed by the planes of the pyridine and benzene rings being 5.72 (6)°. There is an intramolecular hydrogen bond involving the phenolic H and imine N atoms.

scholarly journals (E)-4-Amino-N′-(2-nitrobenzylidene)benzohydrazide

2012 ◽  
Vol 68 (6) ◽  
pp. o1726-o1726 ◽  
Author(s):  
Zhong-Feng Shi ◽  
Jia-Ming Li
Keyword(s):  
Schiff Base ◽  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Compound C ◽  
Planar Molecule ◽  
Benzene Rings ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C14H12N4O3, displays an E conformation with respect to the C=N double bond [1.268 (3) Å]. The dihedral angle between the benzene rings is 3.2 (5)°, consistent with an essentially planar molecule. In the crystal, N—H...O and N—H...N hydrogen bonds, as well as C—H...O interactions, link the molecules into layers that stack along the c axis.

scholarly journals (E)-4-Chloro-2-{[4-(dimethylamino)benzylidene]amino}phenol

2014 ◽  
Vol 70 (5) ◽  
pp. o603-o603
Author(s):  
Nadir Ghichi ◽  
Mohamed Amine Benaouida ◽  
Ali Benosmane ◽  
Ali Benboudiaf ◽  
Hocine Merazig
Keyword(s):  
Schiff Base ◽  
Dihedral Angle ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
Amino Phenol ◽  
Schiff Base Compound ◽  
Supramolecular Chains ◽  
Base Compound

In the title aromatic Schiff base compound, C15H15ClN2O, the molecule exists in atransconformation with respect to the C=N bond. The dihedral angle between the benzene rings is 14.49 (6)°. In the crystal, weak C—H...π interactions link molecules into supramolecular chains propagated along thea-axis direction.

scholarly journals (E)-2-{[4-(Dimethylamino)benzylidene]amino}-5-nitrophenol

2014 ◽  
Vol 70 (5) ◽  
pp. o598-o599 ◽  
Author(s):  
Yousef Hijji ◽  
Ray J. Butcher ◽  
Jerry P. Jasinski
Keyword(s):  
Hydrogen Bond ◽  
Schiff Base ◽  
Hydrogen Bonds ◽  
Nitro Group ◽  
Asymmetric Unit ◽  
Compound C ◽  
Benzene Rings ◽  
Schiff Base Compound ◽  
Imine Bond ◽  
Base Compound

The title Schiff base compound, C15H15N3O3, crystallizes with two molecules (AandB) in the asymmetric unit. Each molecule adopts anEconformation around the C= N imine bond. The two molecules have minor differences in their conformations. In moleculeA, the dihedral angle between the nitro group and its benzene ring is 2.1 (2)° and that between the two benzene rings is 0.88 (7)°, while the corresponding angles for moleculeBare 5.7 (1) and 2.45 (6)°, respectively. In each molecule, there is an intramolecular O—H...N hydrogen bond. In the crystal, inversion-related molecules are linkedviaO—H...O hydrogen bonds formingA–AandB–Bdimers. These dimers are linkedviaC—H...O hydrogen bonds involving the nitro O atoms, formingA–A–AandB–B–Bslabs that lie parallel to one another and to (010).

scholarly journals 2-[(E)-(1,10-Phenanthrolin-5-yl)iminomethyl]phenol methanol monosolvate

2012 ◽  
Vol 68 (4) ◽  
pp. o1173-o1174
Author(s):  
Sema Öztürk Yíldírím ◽  
Nebahat Demirhan ◽  
Fikriye Elmalí ◽  
Ray J. Butcher
Keyword(s):  
Hydrogen Bond ◽  
Schiff Base ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Solvent Molecule ◽  
Stacking Interactions ◽  
Compound C ◽  
The Mean ◽  
Schiff Base Compound ◽  
Base Compound

In the title multi-donor Schiff base compound, C19H13N3O·CH3OH, the dihedral angle between the mean planes of the phenanthroline and phenol rings is 59.3 (1)°. The Schiff base molecule is linked to the solvent molecule by an O—H...O hydrogen bond. In the crystal, the components are linked by O—H...N hydrogen bonds, weak O—H...N interactions and π–π stacking interactions [centroid–centroid distances = 3.701 (1) and 3.656 (1) Å].

scholarly journals Crystal structure of (E)-5-diethylamino-2-({[4-(dimethylamino)phenyl]imino}methyl)phenol

2015 ◽  
Vol 71 (7) ◽  
pp. o503-o503 ◽  
Author(s):  
C. Vidya Rani ◽  
G. Chakkaravarthi ◽  
G. Rajagopal
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Hydrogen Bond ◽  
Schiff Base ◽  
Dihedral Angle ◽  
Aromatic Rings ◽  
Compound C ◽  
Schiff Base Compound ◽  
Ring Motif ◽  
Base Compound

The title Schiff base compound, C19H25N3O, is approximately planar, with a dihedral angle of 9.03 (13)° between the planes of the aromatic rings, and has anEconformation about the N=C bond. The molecular structure is stabilized by an intramolecular O—H...N hydrogen bond, with anS(6) ring motif. In the crystal, molecules are linked by C—H...π interactions, forming sheets parallel to thebcplane.

scholarly journals 4-{[4-(Dimethylamino)benzylidene]amino}benzenesulfonamide

2014 ◽  
Vol 70 (6) ◽  
pp. o726-o727 ◽  
Author(s):  
Mustafa Durgun ◽  
Hasan Türkmen ◽  
Tuncay Tunç ◽  
Tuncer Hökelek
Keyword(s):  
Schiff Base ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
Normal Distance ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C15H17N3O2S, is non-planar with a dihedral angle of 69.88 (4)° between the planes of the benzene rings. In the crystal, pairs of N—H...N hydrogen bonds, between the sulfonamide nitrogen-H atom and the azomethine N atom, link the molecules into inversion dimers, formingR22(16) ring motifs. These dimers are linked by N—H...O hydrogen bonds, between the sulfonamide nitrogen-H atom and one sulfonamide O atom, forming sheets lying parallel to (100). Within the sheets there are weak parallel slipped π–π interactions involving inversion-related benzenesulfonamide rings [centroid–centroid distance = 3.8800 (9) Å; normal distance = 3.4796 (6) Å; slippage = 1.717 Å].

2-Methoxy-6-[(4-methylpyridin-2-yl)iminomethyl]phenol

2007 ◽  
Vol 63 (11) ◽  
pp. o4246-o4246 ◽  
Author(s):  
He-Bing Li
Keyword(s):  
Schiff Base ◽  
Double Bond ◽  
Dihedral Angle ◽  
Compound C ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C14H14N2O2, displays an E configuration with respect to the C=N double bond. The dihedral angle between the benzene and pyridine rings is 5.4 (2)°.

scholarly journals 4-[(4-Methoxybenzylidene)amino]benzenesulfonamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1599-o1599 ◽  
Author(s):  
Omoruyi G. Idemudia ◽  
Alexander P. Sadimenko ◽  
Anthony J. Afolayan ◽  
Eric C. Hosten
Keyword(s):  
Schiff Base ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C14H14N2O3S, is non-planar, with a dihedral angle of 24.16 (7)° between the benzene rings. In the crystal, N—H...O and N—H...N hydrogen bonds link the molecules into a layer parallel to (011). Intra- and interlayer C—H...O interactions and π–π interactions [centroid–centroid distances = 3.8900 (9) and 3.9355 (8) Å] are also present.

(E)-4-(2-Hydroxy-4-methoxybenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

2007 ◽  
Vol 63 (3) ◽  
pp. o1245-o1246 ◽  
Author(s):  
Liang-Gui Wang ◽  
Chun-Niu Zhang ◽  
Guo-Bing Yan ◽  
Yun-Fa Zheng ◽  
Ming-Hua Yang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Schiff Base ◽  
Intermolecular Hydrogen Bond ◽  
Dimensional Chain ◽  
One Dimensional ◽  
Compound C ◽  
Schiff Base Compound ◽  
Intramolecular Hydrogen ◽  
Base Compound

In the title Schiff base compound, C16H15N3OS, there are two intramolecular hydrogen bonds and one intermolecular hydrogen bond. The latter results in a one-dimensional chain in the crystal structure.

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