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

2015 ◽  
Vol 71 (10) ◽  
pp. o712-o713
Author(s):  
C. Vidya Rani ◽  
G. Chakkaravarthi ◽  
N. Indra Gandhi ◽  
G. Rajagopal
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Compound C ◽  
Dimensional Network ◽  
Terminal Site

In the title compound, C21H29N3O, the dihedral angle between the planes of the aromatic rings is 8.1 (2)°. The ethyl groups at one terminal site of the compound are disordered over two sets of sites with occupancies of 0.775 (9) and 0.225 (9). The molecule has anEconformation about the N=C bond. The molecular structure features an intramolecular O—H...N hydrogen bond, which closes anS(6) loop. In the crystal, weak C—H...π interactions leads to the formation of a three-dimensional network.

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 3-{1-[(1-allyl-1H-indazol-6-yl)amino]ethylidene}-6-methyl-2H-pyran-2,4(3H)-dione

2014 ◽  
Vol 70 (12) ◽  
pp. o1256-o1256 ◽  
Author(s):  
Mohamed El Ghozlani ◽  
El Mostapha Rakib ◽  
Ahmed Gamouh ◽  
Mohamed Saadi ◽  
Lahcen El Ammari
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Maximum Deviation ◽  
Compound C ◽  
Dimensional Network

In the title compound, C18H17N3O3, the dihedral angle between the planes of the indazole ring system [maximum deviation = 0.012 (1) Å] and the pyran-2,4-dione ring is 54.03 (6)°. An intramolecular N—H...O hydrogen bond closes anS(6) ring. The same H atom also participates in an intermolecular N—H...O hydrogen bond, which generates an inversion dimer. The dimers are linked by weak C—H...O contacts, thereby forming a three-dimensional network.

scholarly journals Crystal structure of 1-methyl-2-methylamino-3-nitro-1H-chromeno[2,3-b]pyridin-5(10aH)-one

2015 ◽  
Vol 71 (11) ◽  
pp. o824-o825
Author(s):  
Rajamani Raja ◽  
Nataraj Poomathi ◽  
Paramasivam T. Perumal ◽  
A. SubbiahPandi
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Pyran Ring ◽  
Compound C ◽  
Dimensional Network

In the title compound, C14H13N3O4, the pyran ring adopts an envelope conformation with the methine C atom as the flap. The dihedral angle between the benzene and hydropyridine rings is 29.33 (3)°. The methylamine C atom deviates from the plane of its attached ring by 0.380 (5) Å and an intramolecular N—H...O hydrogen bond closes anS(6) ring. In the crystal, weak C—H...O hydrogen bonds and aromatic π–π stacking interactions [centroid–centroid distances vary from 3.6529 (10) to 3.6872 (10) Å] link the molecules, generating a three-dimensional network.

scholarly journals tert-Butyl 2-{[5-(4-cyanophenyl)pyridin-3-yl]sulfonyl}acetate

2014 ◽  
Vol 70 (4) ◽  
pp. o415-o415
Author(s):  
H. C. Devarajegowda ◽  
B. S. Palakshamurthy ◽  
K. E. Manojkumar ◽  
S. Sreenivasa
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Tert Butyl ◽  
Compound C ◽  
Π Stacking ◽  
Dimensional Network

In the title compound, C18H18N2O4S, the dihedral angle between the aromatic rings is 33.71 (9)° and an intramolecular C—H...O hydrogen bond closes anS(6) ring. In the crystal, molecules are linked by C—H...O and C—H...N hydrogen bonds to generate a three-dimensional network. A very weak aromatic π–π stacking interction is also observed [centroid–centroid separation = 3.9524 (10) Å].

scholarly journals Crystal structure of (E)-N′-(3,4-difluorobenzylidene)-4-methylbenzenesulfonohydrazide

2015 ◽  
Vol 71 (10) ◽  
pp. o761-o761
Author(s):  
Yeming Wang ◽  
Hong Yan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Translational Symmetry ◽  
Aromatic Rings ◽  
Compound C ◽  
Dimensional Network

In the title compound, C14H12F2N2O2S, the dihedral angle between the aromatic rings is 70.23 (8)° and the S—N—N=C torsion angle is 172.11 (11)°. In the crystal, N—H...O hydrogen bonds link the molecules into [100]C(4) chains, with adjacent molecules in the chain related by translational symmetry. The chains are linked by weak C—H...F and C—H...O interactions, thereby forming a three-dimensional network.

scholarly journals Crystal structure of 5-[(4-carboxybenzyl)oxy]isophthalic acid

2016 ◽  
Vol 72 (8) ◽  
pp. 1219-1222
Author(s):  
Md. Serajul Haque Faizi ◽  
Musheer Ahmad ◽  
Akram Ali ◽  
Vadim A. Potaskalov
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Molecular Shape ◽  
Isophthalic Acid ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

The molecular shape of the title compound, C16H12O7, is bent around the central CH2—O bond. The two benzene rings are almost perpendicular to one another, making a dihedral angle of 87.78 (7)°. In the crystal, each molecule is linked to three others by three pairs of O—H...O hydrogen bonds, forming undulating sheets parallel to thebcplane and enclosingR22(8) ring motifs. The sheets are linked by C—H...O hydrogen bonds and C—H...π interactions, forming a three-dimensional network.

scholarly journals Methyl 2,4-dihydroxy-5-(4-nitrobenzamido)benzoate

2013 ◽  
Vol 69 (2) ◽  
pp. o207-o207
Author(s):  
Syeda Sohaila Naz ◽  
Nazar Ul Islam ◽  
M. Nawaz Tahir ◽  
Muhammad Raza Shah
Keyword(s):  
Hydrogen Bonds ◽  
Nitro Group ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Compound C ◽  
Dimensional Network

In the title compound, C15H12N2O7, the dihedral angle between the aromatic rings is 4.58 (13)° and the nitro group is rotated from its attached ring by 18.07 (17)°. Intramolecular N—H...O and O—H...O hydrogen bonds generateS(5) andS(6) rings, respectively. In the crystal, molecules are linked by O—H...O hydrogen bonds, generating [001]C(7) chains. The chains are linked by C—H...O interactions, forming a three-dimensional network, which incorporatesR22(7) andR22(10) loops.

scholarly journals Crystal structure of ethyl 2-{4-[(5-chloro-1-benzofuran-2-yl)methyl]-3-methyl-6-oxo-1,6-dihydropyridazin-1-yl}acetate

2015 ◽  
Vol 71 (5) ◽  
pp. o291-o292 ◽  
Author(s):  
Youness Boukharsa ◽  
Lahcen El Ammari ◽  
Jamal Taoufik ◽  
Mohamed Saadi ◽  
M'hammed Ansar
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Maximum Deviation ◽  
Ethyl Group ◽  
Compound C ◽  
Dimensional Network

In the title compound, C18H17ClN2O4, the dihedral angle between the benzofuran ring system [maximum deviation 0.014 (2) Å] and the oxopyradizine ring is 73.33 (8)°. The structure is characterized by disorder of the ethyl group, which is split into two parts, with a major component of 0.57 (3), and the acetate carbonyl O atom, which is statistically disordered. In the crystal, the molecules are linked by C—H...O interactions, forming a three-dimensional network.

scholarly journals Crystal structure of 4-{[(1H-1,2,4-triazol-1-yl)methyl]sulfanyl}phenol

2014 ◽  
Vol 70 (10) ◽  
pp. o1106-o1106
Author(s):  
Yong-Le Zhang ◽  
Chuang Zhang ◽  
Wei Guo ◽  
Jing Wang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Three Dimensional ◽  
Triazole Ring ◽  
Hydrogen Bond Interactions ◽  
Compound C ◽  
Dimensional Network

In the title compound, C9H9N3OS, the plane of the benzene ring forms a dihedral angle of 33.40 (5)° with that of the triazole group. In the crystal, molecules are linked by O—H...N hydrogen bonds involving the phenol –OH group and one of the unsubstituted N atoms of the triazole ring, resulting in chains along [010]. These chains are further extended into a layer parallel to (001) by weak C—H...N hydrogen-bond interactions. Aromatic π–π stacking [centroid–centroid separation = 3.556 (1) Å] between the triazole rings links the layers into a three-dimensional network.

scholarly journals Crystal structure of 1-(4-methoxyphenyl)-4-(4-nitrophenyl)-3-phenoxyazetidin-2-one

2015 ◽  
Vol 71 (1) ◽  
pp. o12-o13
Author(s):  
Sevim Türktekin Çelikesir ◽  
Mehmet Akkurt ◽  
Aliasghar Jarrahpour ◽  
Habib Allah Shafie ◽  
Ömer Çelik
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Phenyl Ring ◽  
Three Dimensional ◽  
Dihedral Angles ◽  
Compound C ◽  
Dimensional Network ◽  
Lactam Ring

In the title compound, C22H18N2O5, the central β-lactam ring (r.m.s. deviation = 0.002 Å) makes dihedral angles of 64.21 (14), 82.35 (12) and 20.66 (13)° with the phenyl ring and the nitro- and methoxybenzene rings, respectively. The molecular structure is stabilized by an intramolecular C—H...O hydrogen bond. In the crystal, molecules are linkedviaC—H...O hydrogen bonds, forming slabs lying parallel to (111). The slabs are linkedviaC—H...π interactions, forming a three-dimensional network.

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