scholarly journals Crystal stucture of methyl 2-({[2-(methoxycarbonyl)phenyl]carbamoyl}amino)benzoate

2015 ◽  
Vol 71 (5) ◽  
pp. o297-o298 ◽  
Author(s):  
Hasna Yassine ◽  
Mostafa Khouili ◽  
Lahcen El Ammari ◽  
Mohamed Saadi ◽  
El Mostafa Ketatni
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Molecular Conformation ◽  
Dihedral Angles ◽  
Aromatic Rings ◽  
Compound C ◽  
Benzene Rings

In the title compound, C17H16N2O5, the dihedral angles between the central urea [N—C(=O)—N] fragment and its attached benzene rings are 20.20 (14) and 24.24 (13)°; the dihedral angle between the aromatic rings is 42.1 (1)°. The molecular conformation is consolidated by two intramolecular N—H...O hydrogen bonds, which both generateS(6) rings. In the crystal, inversion dimers linked by pairs of C—H...O interactions generateR22(14) loops. The dimers are linked by further C—H...O interactions into (011) sheets.

scholarly journals rac-cis-5-Methyl-2,3-diphenyl-1,3-thiazolidin-4-one

IUCrData ◽  
2017 ◽  
Vol 2 (11) ◽  
Author(s):  
Hemant P. Yennawar ◽  
John Tierney ◽  
Lee J. Silverberg
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Dihedral Angles ◽  
Aromatic Rings ◽  
Envelope Conformation ◽  
Compound C ◽  
Benzene Rings ◽  
C And N ◽  
Thiazolidine Ring

In the racemic title compound, C16H15NOS, the thiazolidine ring adopts an envelope conformation, with the S atom as the flap. The dihedral angles between the heterocycle (all atoms) and pendant C– and N-bound benzene rings are 69.75 (14) and 56.56 (11)°, respectively; the aromatic rings are almost orthogonal to each other, with a dihedral angle of 76.04 (14)° between them. In the crystal, molecules are linked by weak C—H...O hydrogen bonds to generate [101] chains, with alternating molecules being enantiomers. A weak C—H...π interaction is also observed.

scholarly journals N′-(3-Hydroxybenzylidene)-4-methylbenzohydrazide

2012 ◽  
Vol 68 (6) ◽  
pp. o1816-o1816
Author(s):  
Ji-Lai Liu ◽  
Ming-Hui Sun ◽  
Jing-Jun Ma
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Aromatic Rings ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

The title compound, C15H14N2O2, was obtained from the reaction of 3-hydroxybenzaldhyde and 4-methylbenzohydrazide in methanol. In the molecule, the benzene rings form a dihedral angle of 2.9 (3)°. In the crystal, N—H...O and O—H...O hydrogen bonds link the molecules into layers parallel to (101). The crystal packing also exhibits π–π interactions between the aromatic rings [centroid–centroid distance = 3.686 (4) Å].

scholarly journals 4-Formyl-2-nitrophenyl 2-chlorobenzoate

2013 ◽  
Vol 69 (12) ◽  
pp. o1806-o1806 ◽  
Author(s):  
Rodolfo Moreno-Fuquen ◽  
Geraldine Hernandez ◽  
Javier Ellena ◽  
Carlos A. De Simone ◽  
Juan C. Tenorio
Keyword(s):  
Hydrogen Bonds ◽  
Nitro Group ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ester Group ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean

In the title compound, C14H8ClNO5, the benzene rings form a dihedral angle of 19.55 (9)°. The mean plane of the central ester group [r.m.s. deviation = 0.024 Å] forms dihedral angles of 53.28 (13) and 36.93 (16)°, respectively, with the nitro- and chloro-substituted rings. The nitro group forms a dihedral angle of 19.24 (19)° with the benzene ring to which it is attached. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, formingC(7) chains, which run along [100].

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.

4-(4-Chlorophenyl)-5-(4-methylphenyl)-3-(2-pyridyl)-4H-1,2,4-triazole

2006 ◽  
Vol 62 (4) ◽  
pp. o1279-o1280
Author(s):  
Shu-Ping Zhang ◽  
Zhao-Di Liu ◽  
Si-Chang Shao
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Triazole Ring ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings

In the title compound, C20H15ClN4, the two benzene rings form dihedral angles of 30.95 (9) and 70.69 (6)° with the triazole ring, and the dihedral angle between the triazole and the pyridine rings is 43.38 (8)°. Intermolecular C—H...N hydrogen bonds are observed in the crystal structure.

scholarly journals Ethyl 2-(4-chlorophenyl)-1-phenyl-1H-benzimidazole-5-carboxylate

2012 ◽  
Vol 68 (6) ◽  
pp. o1863-o1863 ◽  
Author(s):  
Yeong Keng Yoon ◽  
Elumalai Manogaran ◽  
Tan Soo Choon ◽  
Suhana Arshad ◽  
Ibrahim Abdul Razak
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Zigzag Chain ◽  
Benzimidazole Ring ◽  
Compound C ◽  
Benzene Rings

In the title compound, C22H17ClN2O2, the essentially planar benzimidazole ring system [maximum deviation = 0.012 (2) Å] forms dihedral angles of 28.69 (6) and 63.65 (7)°, respectively, with the phenyl and chloro-substituted benzene rings. The dihedral angle between the phenyl and benzene rings is 64.23 (8)°. In the crystal, molecules are linked into a zigzag chain along the a axis by intermolecular C—H...O hydrogen bonds. C—H...π interactions are also present.

scholarly journals 5′-([1,1′-Biphenyl]-4-yl)-1′,1′′,3′′-trimethyldispiro[indane-2,2′-pyrrolidine-4′,5′′-[1,3]diazinane]-1,3,2′′,4′′,6′′-pentaone

2014 ◽  
Vol 70 (7) ◽  
pp. o759-o759 ◽  
Author(s):  
Subramanyahegde ◽  
Hosamani Amar ◽  
Yellappa Shivaraj ◽  
Giriyapura R. Vijayakumar ◽  
Bandrehalli Siddagangaiah Palakshamurthy
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Heterocyclic Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Central Ring ◽  
Envelope Conformation ◽  
Compound C ◽  
Benzene Rings

In the title compound, C30H25N3O5, the central five-membered heterocyclic ring adopts an envelope conformation, with the N atom as the flap. The dihedral angles between this central ring and the pendant indane ring system, the trione and benzene rings are 87.49 (5), 82.95 (10) and 72.42 (10)°, respectively. The dihedral angle between the rings of the biphenyl group is 45.99 (13)°. In the crystal, molecules are linked by C—H...O hydrogen bonds into [101]C(12) chains.

scholarly journals (E)-N′-Hydroxy-1,3-diphenyl-4,5-dihydro-1H-pyrazole-5-carboximidamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1661-o1662 ◽  
Author(s):  
Chandra ◽  
N. Srikantamurthy ◽  
K. B. Umesha ◽  
S. Jeyaseelan ◽  
M. Mahendra
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings ◽  
Phenyl Rings ◽  
A Chain ◽  
Centrosymmetric Dimers

In the molecule of the title compound, C16H16N4O, the pyrazole ring makes dihedral angles of 8.52 (13) and 9.26 (12)° with the phenyl rings. The dihedral angle between the benzene rings is 1.86 (13)°. In the crystal, molecules are linked into centrosymmetric dimers via pairs of O—H...N hydrogen bonds. Weak N—H...N interactions connect the dimers into a chain along the [100] direction. The pyrazole ring adopts a highly flattened envelope conformation.

scholarly journals 9-[3-(Dimethylamino)propyl]-10,10-dimethyl-9,10-dihydroanthracen-9-ol

2013 ◽  
Vol 69 (2) ◽  
pp. o175-o175
Author(s):  
Manpreet Kaur ◽  
Ray J. Butcher ◽  
Mehmet Akkurt ◽  
H. S. Yathirajan ◽  
B. Nagaraj
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Boat Conformation ◽  
Asymmetric Unit ◽  
Aromatic Rings ◽  
Central Ring ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings

The asymmetric unit of the title compound, C21H27NO, contains two molecules (AandB). In moleculeA, the central ring of the anthrone unit adopts a shallow boat conformation and the dihedral angle between the benzene rings is 18.96 (7)°. In moleculeB, the central ring is close to being planar (r.m.s. deviation = 0.078 Å) and the dihedral angle between the aromatic rings is 7.82 (7)°. In the crystal, molecules are linked by O—H...N hydrogen bonds, forming zigzagC(7) chains of alternatingAandBmolecules running parallel to [100]. The structure also features weak C—H...O and C—H...π interactions.

scholarly journals 2-(4-Chlorophenyl)-4-phenyl-1,2-dihydroquinazoline

2013 ◽  
Vol 69 (11) ◽  
pp. o1653-o1654 ◽  
Author(s):  
Chamseddine Derabli ◽  
Raouf Boulcina ◽  
Sofiane Bouacida ◽  
Hocine Merazig ◽  
Abdelmadjid Debache
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Chair Conformation ◽  
Pyrimidine Ring ◽  
Dihedral Angles ◽  
Compound C ◽  
Benzene Rings

In the title compound, C20H15ClN2, the pyrimidine ring is in a flattened half-chair conformation. The phenyl and chloro-substituted benzene rings form dihedral angles of 84.97 (5) and 80.23 (4)°, respectively, with the benzene ring of the dihydroquinazoline group. The dihedral angle between the phenyl and chloro-substituted benzene rings is 61.71 (5)°. In the crystal, molecules are arranged in intersecting layers parallel to (101) and (-102), with N—H...N hydrogen bonds linking molecules along [010]. In addition, a weak C—H...π interaction is observed.

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