scholarly journals Crystal structure of 2-benzamido-N-(2,2-diethoxyethyl)benzamide

2015 ◽  
Vol 71 (3) ◽  
pp. o214-o215
Author(s):  
Abdelaaziz Ouahrouch ◽  
Moha Taourirte ◽  
Hassan B. Lazrek ◽  
Joachim W. Engels ◽  
Michael Bolte
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Molecular Conformation ◽  
Crystal Packing ◽  
Aromatic Rings ◽  
Peptide Bonds ◽  
Axis Direction ◽  
Compound C

In the title compound, C20H24N2O4, both peptide bonds adopt atransconfiguration with respect to the —N—H and —C=O groups. The dihedral angle between the aromatic rings is 53.58 (4)°. The molecular conformation is stabilized by an intramolecular N—H...O hydrogen bond. The crystal packing is characterized by zigzag chains of N—H...O hydrogen-bonded molecules running along theb-axis direction.

scholarly journals Crystal structure of (E)-N'-[1-(4-aminophenyl)ethylidene]-2-hydroxy-5-iodobenzohydrazide methanol monosolvate

2018 ◽  
Vol 74 (7) ◽  
pp. 910-914
Author(s):  
Cong Nguyen Tien ◽  
Huong Le Thi Thu ◽  
Thin Nguyen Van ◽  
Trung Vu Quoc ◽  
Manh Vu Quoc ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Hirshfeld Surface ◽  
Stacking Interactions ◽  
Aromatic Rings ◽  
Compound C

In the title compound, C15H14IN3O2·CH3OH, two aromatic rings are linked by an N-substituted hydrazide function. The dihedral angle between the aromatic rings is 10.53 (8)°. The stereochemistry about the imine function is E. The methanol molecule forms an O—H...O hydrogen bond to the hydrazide O atom. In the crystal, chains of molecules running along the c-axis direction are formed by O—H...O hydrogen bonds. Adjacent chains are linked through N—H...O hydrogen bonds and π–π stacking interactions. The intermolecular interactions in the crystal packing were investigated using Hirshfeld surface analysis, which indicated that the most significant contacts are H...H (38.2%), followed by C...H/H...C (20.6%), O...H/H...O (11.1%) and I...H/H...I (9.7%).

scholarly journals (E)-2-(4-Benzyloxy-2-hydroxybenzylidene)-N-methylhydrazinecarbothioamide

2014 ◽  
Vol 70 (2) ◽  
pp. o112-o113
Author(s):  
N. R. Sajitha ◽  
M. Sithambaresan ◽  
M. R. Prathapachandra Kurup
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Least Squares ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Molecular Conformation ◽  
Crystal Packing ◽  
Compound C ◽  
Benzene Rings

The molecule of the title compound, C16H17N3O2S, adopts anEconformation with respect to the azomethine C=N bond. The hydrazinecarbothioamide fragment is close to planar, with a largest deviation from the least-squares plane of 0.079 (2) Å for the hydrazide N atom. This fragment forms a dihedral angle of 9.43 (9)° with the central benzene ring. The benzene rings are inclined to one another by 67.55 (12)°. The molecular conformation is stabilized by an intramolecular O—H...N hydrogen bond involving the azomethine N atom. In the crystal, molecules are linked through weak N—H...S and N—H...O hydrogen bonds into double ribbons along [010]. The crystal packing also features C—H...π interactions.

scholarly journals Crystal structure ofN-(propan-2-ylcarbamothioyl)benzamide

2015 ◽  
Vol 71 (1) ◽  
pp. o56-o57
Author(s):  
Jerry P. Jasinski ◽  
Mehmet Akkurt ◽  
Shaaban K. Mohamed ◽  
Mohamed A. Gad ◽  
Mustafa R. Albayati
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Crystal Packing ◽  
Central Plane ◽  
Prominent Feature ◽  
Compound C ◽  
Centrosymmetric Dimers

In the crystal structure of the title compound, C11H14N2OS, the six atoms of the central C2N2OS residue are coplanar (r.m.s. deviation = 0.002 Å), which facilitates the formation of an intramolecular N—H...O hydrogen bond, which closes anS(6) loop. The terminal phenyl ring is inclined with respect to the central plane [dihedral angle = 42.10 (6)°]. The most prominent feature of the crystal packing is the formation of {...HNCS}2synthons resulting in centrosymmetric dimers.

scholarly journals Crystal structure of 4-chloro-2-{(E)-[(3,4-dimethylphenyl)imino]methyl}phenol

2015 ◽  
Vol 71 (6) ◽  
pp. o416-o416 ◽  
Author(s):  
Muhammad Salim ◽  
Muhammad Nawaz Tahir ◽  
Munawar Ali Munawar ◽  
Muhammad Shahid ◽  
Hazoor Ahmad Shad
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Acta Cryst ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

In the title compound, C15H14ClNO, which is isostructural with its bromo analogue [Tahiret al.(2012).Acta Cryst., E68, o2730], the dihedral angle between the planes of the aromatic rings is 2.71 (7)° and an intramolecular O—H...N hydrogen bond closes anS(6) ring. In the crystal, extremely weak C—H...π interactions link the molecules into a three-dimensional network.

scholarly journals Crystal structure of 9-methacryloylanthracene

2015 ◽  
Vol 71 (4) ◽  
pp. 357-359 ◽  
Author(s):  
Aditya Agrahari ◽  
Patrick O. Wagers ◽  
Steven M. Schildcrout ◽  
John Masnovi ◽  
Wiley J. Youngs
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Side Chain ◽  
Weak Hydrogen Bond ◽  
Axis Direction ◽  
Compound C ◽  
Centroid Distance

In the title compound, C18H14O, with systematic name 1-(anthracen-9-yl)-2-methylprop-2-en-1-one, the ketonic C atom lies 0.2030 (16) Å out of the anthryl-ring-system plane. The dihedral angle between the planes of the anthryl and methacryloyl moieties is 88.30 (3)° and the stereochemistry about the Csp2—Csp2bond in the side chain istransoid. In the crystal, the end rings of the anthryl units in adjacent molecules associate in parallel–planar orientations [shortest centroid–centroid distance = 3.6320 (7) Å]. A weak hydrogen bond is observed between an aromatic H atom and the O atom of a molecule displaced by translation in thea-axis direction, forming sheets of parallel-planar anthryl groups packing in this direction.

scholarly journals 3-(1H-Indol-3-yl)-2-benzofuran-1(3H)-one

IUCrData ◽  
2017 ◽  
Vol 2 (1) ◽  
Author(s):  
R. Anil Kumar ◽  
S. Naveen ◽  
M. Abdul Rahiman ◽  
K. M. Mahadevan ◽  
M. N. Kumara ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Axis Direction ◽  
Compound C

In the title compound, C16H11NO2, the benzofuran and indole ring systems are nearly orthogonal, subtending a dihedral angle of 86.55 (4)°. The crystal structure features an N—H...O hydrogen bond, which leads to the formation of chains propagating along thea-axis direction.

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 1-(2,4-Dichlorophenyl)-5-(2-nitroanilino)-1H-pyrazole-4-carbonitrile

2012 ◽  
Vol 68 (4) ◽  
pp. o1142-o1142 ◽  
Author(s):  
Ju Liu ◽  
Zhi-Qiang Cai ◽  
Yang Wang ◽  
Chun-Yan Li ◽  
Li-Feng Xu
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Nitro Group ◽  
Dihedral Angle ◽  
Title Compound ◽  
Molecular Conformation ◽  
Crystal Packing ◽  
Amide Group ◽  
Compound C ◽  
Benzene Rings

In the title compound, C16H9Cl2N5O2, the folded molecular conformation is characterized by a dihedral angle between the two benzene rings of 74.03 (5)°. An intramolecular N—H...O hydrogen bond is observed between the H atom of the amide group and a nitro-group O atom. Intermolecular C—H...O and N—H...N hydrogen bonds feature in the crystal packing.

scholarly journals (2E)-1-(2-Thienyl)-3-(2,3,5-trichlorophenyl)prop-2-en-1-one

2007 ◽  
Vol 63 (11) ◽  
pp. o4422-o4423 ◽  
Author(s):  
B. Narayana ◽  
K. Mustafa ◽  
B. K. Sarojini ◽  
H. S. Yathirajan ◽  
Michael Bolte
Keyword(s):  
Hydrogen Bond ◽  
Double Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Geometric Parameters ◽  
Aromatic Rings ◽  
Compound C ◽  
Carbonyl Bond

The geometric parameters of the title compound, C13H7Cl3OS, are in the usual ranges. The molecule is almost planar (r.m.s. deviation of all non-H atoms 0.193 Å). The dihedral angle between the two aromatic rings is 14.41 (7)°. The C=C double bond is trans configured. The bond between the carbonyl bond and the thienyl ring is in an eclipsed conformation. The crystal packing is stabilized by a weak C—H...O hydrogen bond.

scholarly journals Crystal structure of (E)-N′-(3-fluoro-2-hydroxybenzylidene)isonicotinohydrazide

2017 ◽  
Vol 73 (8) ◽  
pp. 1151-1153
Author(s):  
Suwadee Jiajaroen ◽  
Kittipong Chainok ◽  
Filip Kielar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Ring Motif

In the title compound, C13H10FN3O2, the molecule has an E conformation with respect to the C=N bond of the hydrazone bridge. The dihedral angle between the isonicotinoyl and fluorophenol moieties is 4.03 (4)°, and an intramolecular O—H...N hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked by N—H...N and C—H...N hydrogen bonds, forming chains propagating along the a-axis direction. The chains are linked by C—H...O hydrogen bonds, resulting in the formation of layers lying parallel to the ab plane. The crystal structure also features π–π interactions [centroid-to-centroid distance = 3.6887 (8) Å].

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