scholarly journals (Z)-3-[(2-Aminobenzyl)amino]-1-phenylbut-2-en-1-one

2014 ◽  
Vol 70 (7) ◽  
pp. o742-o742
Author(s):  
Vedavalli Sairaj ◽  
Thothadri Srinivasan ◽  
Muthusamy Kandaswamy ◽  
Devadasan Velmurugan
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Aromatic Rings ◽  
Compound C ◽  
Ring Motif

In the title compound, C17H18N2O, the aromatic rings are almost normal to one another, making a dihedral angle of 89.00 (8)°. There is an intramolecular N—H...O hydrogen bond in the molecule enclosing anS(6) ring motif. In the crystal, molecules are linked by N—H...O hydrogen bonds, forming chains along [010].

scholarly journals (E)-2-Methyl-6-{[(5-methylpyridin-2-yl)imino]methyl}phenol

IUCrData ◽  
2017 ◽  
Vol 2 (1) ◽  
Author(s):  
Md. Azharul Arafath ◽  
Farook Adam ◽  
Mohd. R. Razali
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Zigzag Chain ◽  
Aromatic Rings ◽  
Methyl Group ◽  
Compound C

In the title compound, C14H14N2O, the dihedral angle between the aromatic rings is 5.54 (9)°. The conformation is reinforced by an intramolecular O—H...N hydrogen bond, which closes anS(6) ring. The pyridine N atom and methyl group lie to opposite sides of the molecule. In the crystal, the molecules are linked into a zigzag chain propagating in [0-11] by weak C—H...O hydrogen bonds.

scholarly journals Crystal structure of 1-benzyl-4-formyl-1H-pyrrole-3-carboxamide

2016 ◽  
Vol 72 (2) ◽  
pp. 133-135
Author(s):  
Qi-Di Zhong ◽  
Sheng-Quan Hu ◽  
Hong Yan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Bond Forming ◽  
Compound C ◽  
The Mean ◽  
Ring Motif

In the title compound, C13H12N2O2(I), the mean planes of the pyrrole and benzyl rings are approximately perpendicular, forming a dihedral angle of 87.07 (4) °. There is an intramolecular N—H...O hydrogen bond forming an S(7) ring motif. In the crystal, molecules are linkedviaa pair of N—H...O hydrogen bonds forming inversion dimers. C—H...O hydrogen bonds link the dimers into chains along direction [10-1]. The chains are further linked by weak C—H...π interactions forming layers parallel to theacplane.

scholarly journals 3-(4-Fluorobenzoyl)-4-(4-fluorophenyl)-4-hydroxy-2,6-diphenylcyclohexane-1,1-dicarbonitrile

2014 ◽  
Vol 70 (6) ◽  
pp. o736-o737
Author(s):  
B. Narayana ◽  
M Sapnakumari ◽  
Balladka K. Sarojini ◽  
Jerry P. Jasinski
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Chair Conformation ◽  
Dihedral Angles ◽  
Compound C ◽  
Phenyl Rings ◽  
Ring Motif

In the title compound, C33H24F2N2O2, the cyclohexane ring adopts a slightly distorted chair conformation. The dihedral angle between the planes of the phenyl rings is 71.80 (9)°, while the planes of the fluorophenyl and fluorobenzoyl rings are inclined to one another by 31.04 (10)°. The dihedral angles between the planes of the phenyl ring adjacent to the 4-hydroxy group and those of the the fluorophenyl and fluorobenzoyl rings are 51.64 (10) and 34.31 (10)°, respectively, while the corresponding angles for the phenyl ring adjacent to the 3-(4-fluorobenzoyl) group are 57.51 (9) and 85.02 (10)°, respectively. An intramolecular O—H...O hydrogen bond generates anS(6) ring motif. In the crystal, molecules are linkedviapairs of O—H...N hydrogen bonds, forming inversion dimers. The dimers are linkedviaC—H...N and C—H...O hydrogen bonds, forming chains along thec-axis direction. C—H...F hydrogen bonds link the chains into sheets lying parallel to thebcplane.

scholarly journals Ethyl 4-anilino-3-nitrobenzoate

2012 ◽  
Vol 68 (6) ◽  
pp. o1684-o1684 ◽  
Author(s):  
Yeong Keng Yoon ◽  
Elumalai Manogaran ◽  
Mohamed Ashraf Ali ◽  
Suhana Arshad ◽  
Ibrahim Abdul Razak
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Compound C ◽  
Phenyl Rings ◽  
Ring Motif

In the title compound, C15H14N2O4, the dihedral angle between the benzene and phenyl rings is 73.20 (6)°. An intramolecular N—H...O hydrogen bond forms an S(6) ring motif. In the crystal, molecules are linked by N—H...O and C—H...O hydrogen bonds into a layer parallel to the bc plane.

scholarly journals 2-(2,3-Dimethylanilino)benzohydrazide

2012 ◽  
Vol 68 (8) ◽  
pp. o2527-o2528 ◽  
Author(s):  
Hoong-Kun Fun ◽  
Tze Shyang Chia ◽  
Tilal Elsaman ◽  
Mohamed I. Attia ◽  
Hatem A. Abdel-Aziz
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Compound C ◽  
Benzene Rings ◽  
Common Plane ◽  
Ring Motif

In the title compound, C15H17N3O, the dihedral angle between the benzene rings is 58.05 (9)°. The non-H atoms of the hydrazide group lie in a common plane (r.m.s. deviation = 0.0006 Å) and are close to coplanar with their attached benzene ring [dihedral angle = 8.02 (9)°]. An intramolecular N—H...O hydrogen bond generates anS(6) ring motif in the molecule, and a short intramolecular contact (H...H = 1.88 Å) is also observed. In the crystal, molecules are linked by pairs of N—H...N hydrogen bonds into inversion dimers. The crystal packing also features C—H...π interactions.

scholarly journals N′-[(E)-3-Bromobenzylidene]pyrazine-2-carbohydrazide

2013 ◽  
Vol 69 (11) ◽  
pp. o1635-o1635 ◽  
Author(s):  
Mushtaq Ahmad ◽  
Shahid Hameed ◽  
M. Nawaz Tahir ◽  
Muhammad Anwar ◽  
Muhammad Israr
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Aromatic Rings ◽  
Compound C ◽  
Π Stacking

In the title compound, C12H9BrN4O, the dihedral angle between the aromatic rings is 12.16 (12)°. An intramolecular N—H...N hydrogen bond closes anS(5) ring. In the crystal, C—H...O hydrogen bonds link the molecules intoC(6) chains propagating in [010]. Very weak aromatic π–π stacking [centroid–centroid separations = 3.9189 (15) and 3.9357 (15) Å] is also observed.

scholarly journals 2-[(4,6-Diaminopyrimidin-2-yl)sulfanyl]-N-(4-methoxyphenyl)acetamide

IUCrData ◽  
2018 ◽  
Vol 3 (4) ◽  
Author(s):  
Manisha Choudhury ◽  
Vijayan Viswanathan ◽  
Ajay Kumar Timiri ◽  
Barij Nayan Sinha ◽  
Venkatesan Jayaprakash ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyrimidine Ring ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C ◽  
Ring Motif

In the title compound, C13H15N5O2S, the acetamide N—C(=O)—C plane makes dihedral angles of 30.51 (11) and 51.93 (11)°, respectively, with the benzene ring and the pyrimidine ring. The dihedral angle between the benzene and pyrimidine rings is 43.40 (6)°. There is an intramolecular N—H...N hydrogen bond with an S(7) ring motif. In the crystal, molecules are linked by pairs of intermolecular N—H...N hydrogen bonds, forming inversion dimers with an R 2 2(8) ring motif. The molecules are further linked by intermolecular N—H...O hydrogen bonds, forming a C(9) chain along [100]. Intermolecular C—H...π and N—H...π interactions are also observed.

scholarly journals 2-((E)-{[4-(Hydroxymethyl)phenyl]imino}methyl)phenol

2012 ◽  
Vol 68 (6) ◽  
pp. o1618-o1618 ◽  
Author(s):  
Shaaban K. Mohamed ◽  
Antar A. Abdelhamid ◽  
Mehmet Akkurt ◽  
Phillip E. Fanwick ◽  
A. M. Maharramov
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Tautomeric Form ◽  
Crystal Packing ◽  
Two Dimensional ◽  
Aromatic Rings ◽  
Compound C ◽  
Ring Motif

The title compound, C14H13NO2, adopts the enol–imine tautomeric form, with an intramolecular O—H...N hydrogen bond which generates an S(6) ring motif. The dihedral angle between the aromatic rings is 7.85 (7)°. The crystal structure is stabilized by O—H...O, O—H...N and C—H...O hydrogen bonds, forming a two-dimensional array that stacks along the a axis. In addition, a C—H...π interaction contributes to the stabilization of the crystal packing.

scholarly journals 2-[(E)-3,4-Dimethoxybenzylidene]hydrazinecarboxamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1724-o1724
Author(s):  
M. Nawaz Tahir ◽  
M. Naveed Umar ◽  
Akbar Ali ◽  
Hazoor Ahmad Shad
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Compound C ◽  
Ring Motif

In the title compound, C10H13N3O3, the 3,4-dimethoxybenzylidene and hydrazinecarboxamide groups are oriented at a dihedral angle of 53.82 (6)° and an intramolecular N—H...N hydrogen bond generates an S(5) ring motif. In the crystal, molecules are linked by N—H...O hydrogen bonds into sheets propagating in (-201), which feature R 1 2(5), R 2 2(8) and R 2 4(14) loops.

scholarly journals N-(4-Chlorophenyl)-2,2-diphenylacetamide

2012 ◽  
Vol 68 (8) ◽  
pp. o2556-o2557
Author(s):  
Hoong-Kun Fun ◽  
Wan-Sin Loh ◽  
Prakash S Nayak ◽  
B. Narayana ◽  
B. K. Sarojini
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings ◽  
Ring Motif

In the title compound, C20H16ClNO, anS(6) ring motif is formedviaan intramolecular C—H...O hydrogen bond. The chloro-substituted benzene ring is almost perpendicular to the benzene rings, forming dihedral angles of 87.33 (9) and 88.69 (9)°. The dihedral angle between the benzene rings is 87.17 (9)°. In the crystal, molecules are linked into chains parallel to thecaxis by intermolecular N—H...O hydrogen bonds. The crystal packing also features weak C—H...π interactions involving the chloro-substituted ring.

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