scholarly journals 1-[(E)-(3-Hydroxy-4-methoxybenzylidene)amino]-3-methylthiourea

IUCrData ◽  
2016 ◽  
Vol 1 (10) ◽  
Author(s):  
Md. Azharul Arafath ◽  
Farook Adam ◽  
Mohd. R. Razali
Keyword(s):  
Schiff Base ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Intramolecular Hydrogen Bonds ◽  
Compound C ◽  
Schiff Base Compound ◽  
Intramolecular Hydrogen ◽  
Dimeric Aggregates ◽  
Base Compound

In the title thiosemicarbazone Schiff base compound, C10H13N3O2S, the dihedral angle between the benzene ring and methyl carbothioamide side arm was found to be 17.4 (4)°. The presence of two intramolecular hydrogen bonds is noted, namely hydroxy-O—H...O(methoxy) and amine-N—H...N(imine). In the crystal, pairwise amine-N—H...S hydrogen bonds give rise to centrosymmetric {...HNCS}2 synthons, which lead to dimeric aggregates.

scholarly journals 1-[(2-Anilinoethyl)iminiomethyl]-2-naphtholate

2009 ◽  
Vol 65 (6) ◽  
pp. o1400-o1400 ◽  
Author(s):  
Yu-Mei Hao
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Schiff Base ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Methanol Solution ◽  
Compound C ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C19H18N2O, was prepared by the reaction of equimolar quantities of 2-hydroxy-1-naphthaldehyde withN-phenylethane-1,2-diamine in a methanol solution. The molecule adopts a zwitterionic conformation with the naphthyl OH group deprotonated and the imine N atom protonated. An intramolecular N—H...O hydrogen bond forms between them. The dihedral angle between the benzene ring and the naphthyl system is 86.9 (2)°. In the crystal structure, molecules are linked through intermolecular N—H...O hydrogen bonds, forming chains running along thebaxis.

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 2-{(E)-[(4-Anilinophenyl)imino]methyl}-4-[(E)-(4-methoxyphenyl)diazenyl]phenol

IUCrData ◽  
2017 ◽  
Vol 2 (4) ◽  
Author(s):  
Md. Serajul Haque Faizi ◽  
Necmi Dege ◽  
Kateryna Goleva
Keyword(s):  
Hydrogen Bond ◽  
Schiff Base ◽  
Hydrogen Bonds ◽  
Phenyl Ring ◽  
Compound C ◽  
Schiff Base Compound ◽  
Intramolecular Hydrogen ◽  
Phenol Ring ◽  
Ring Motif ◽  
Base Compound

In the title Schiff base compound, C26H22N4O2, the hydroxy group forms a intramolecular hydrogen bond to the imine N atom and generates anS(6) ring motif. The conformation about the C=N and N=N bonds isE. The 4-methoxybenzene ring and thep-phenylenediamine ring are inclined to the phenol ring by 11.61 (17) and 46.04 (17)°, respectively. The terminalN-phenyl ring is inclined to thep-phenylenediamine ring by 50.72 (17)°. In the crystal, adjacent molecules are linked by C—H...O hydrogen bonds, involving thep-phenylenediamine ring and the phenol ring, forming chains along [001]. The chains are linked by a number of C—H...π interactions, forming slabs propagating parallel to (100).

scholarly journals (E)-4-Methoxy-N′-(2,4,5-trifluorobenzylidene)benzohydrazide monohydrate

IUCrData ◽  
2016 ◽  
Vol 1 (5) ◽  
Author(s):  
R. Maheswari ◽  
J. Manjula ◽  
B. Gunasekaran ◽  
G. Bakiyaraj
Keyword(s):  
Schiff Base ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Π Interactions ◽  
Compound C ◽  
Schiff Base Compound ◽  
Base Compound

The title Schiff base compound, C15H11F3N2O2·H2O, crystallized as a monohydrate. The conformation about the C=N bond isE. The molecule is almost planar, with the dihedral angle between the planes of the methoxybenzene and trifluorobenzylidene rings being 7.46 (6)°. In the crystal, molecules are linked by bifurcated Owater—H...(O,N) hydrogen bonds and N—H...Owaterand Owater—H...O and C—H...O hydrogen bonds, forming chains along [100]. The chains are linked by C—H...Owaterhydrogen bonds, forming slabs parallel to thebcplane. Within the slabs there are offset π–π interactions present [intercentroid distance = 3.7883 (7) Å].

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 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 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].

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.

scholarly journals 2-Chloro-N′-[(E)-(2-methoxy-1-naphthyl)methylene]benzohydrazide

2009 ◽  
Vol 65 (6) ◽  
pp. o1254-o1254
Author(s):  
Chunbao Tang
Keyword(s):  
Crystal Structure ◽  
Schiff Base ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Ring System ◽  
Compound C ◽  
Naphthyl Ring ◽  
Graph Set ◽  
Schiff Base Compound ◽  
Base Compound

In the molecule of the title Schiff base compound, C19H15ClN2O2, the dihedral angle between the benzene ring and naphthyl ring system is 77.1 (2)°. In the crystal structure, centrosymmetrically related molecules are linked into dimers through pairs of intermolecular N–H...O hydrogen bonds, generating rings of graph setR22(8).

N-(2-Chlorophenyl)-2-(quinolin-8-yloxy)acetamide

2006 ◽  
Vol 62 (7) ◽  
pp. o3071-o3072 ◽  
Author(s):  
Shu-Sheng Zhang ◽  
Li-Li Xu ◽  
Hui-Ling Wen ◽  
Xue-Mei Li ◽  
Yong-Hong Wen
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Intramolecular Hydrogen Bonds ◽  
Π Interactions ◽  
Compound C ◽  
Intramolecular Hydrogen

In the title compound, C17H14ClN2O3, there are intramolecular hydrogen bonds of types N—H...O (2.634 and 2.570 Å), N—H...Cl (2.925 Å) and C—H...O (2.894 Å). The dihedral angle between the planes of the quinoline system and the benzene ring is 20.3 (1)°. The crystal packing is stabilized by π–π interactions.

Sign in / Sign up

Export Citation Format

Share Document