scholarly journals Crystal structure of (E)-N′-benzylidene-1-methyl-4-nitro-1H-pyrrole-2-carbohydrazide

2014 ◽  
Vol 70 (9) ◽  
pp. o995-o995
Author(s):  
Zhijun Wang ◽  
Chengyong Zhou ◽  
Lei Yan ◽  
Jinglin Wang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C13H12N4O3, the dihedral angle between the planes of the pyrrole and benzene rings is 7.47 (1)°. In the crystal, molecules are arranged in sheets lying parallel to (101). Neighbouring sheets are linked by N—H...O hydrogen bonds, weak π–π [centroid–centroid distance between the pyrrole rings = 3.765 (11) Å] and C—H...π interactions, forming a three-dimensional structure.

scholarly journals Crystal structure of 10-ethyl-7-(9-ethyl-9H-carbazol-3-yl)-10H-phenothiazine-3-carbaldehyde

2017 ◽  
Vol 73 (5) ◽  
pp. 726-728 ◽  
Author(s):  
Vairavan Mahalakshmi ◽  
Siddan Gouthaman ◽  
Madurai Sugunalakshmi ◽  
Srinivasan Bargavi ◽  
Srinivasakannan Lakshmi
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Single Bond ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean

The title compound, C29H24N2OS, contains a phenothiazine moiety linked to a planar carbazole unit (r.m.s. deviation = 0.029 Å) by a C—C single bond. The phenothiazine moiety possesses a typical non-planar butterfly structure with a fold angle of 27.36 (9)° between the two benzene rings. The dihedral angle between the mean planes of the carbazole and phenothiazine units is 27.28 (5)°. In the crystal, molecules stack in pairs along thec-axis direction, linked by offset π–π interactions [intercentroid distance = 3.797 (1) Å]. There are C—H...π interactions present linking these dimers to form a three-dimensional structure.

scholarly journals 5-Fluoro-2-(2-fluorophenyl)-3-methylsulfinyl-1-benzofuran

2014 ◽  
Vol 70 (7) ◽  
pp. o829-o829
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C15H10F2O2S, the dihedral angle between the plane of the benzofuran ring system (r.m.s. deviation = 0.015 Å) and that of the 2-fluorophenyl ring is 28.53 (6)°. In the crystal, molecules are linked by C—H...O and C—H...F hydrogen bonds, and by π–π interactions between the furan and benzene rings of neighbouring molecules [centroid–centroid distance = 3.625 (2) Å], forming a three-dimensional network.

scholarly journals Crystal structure of 5-chloro-2,7-dimethyl-3-[(4-methylphenyl)sulfonyl]-1-benzofuran

2014 ◽  
Vol 70 (9) ◽  
pp. o1018-o1019 ◽  
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C17H15ClO3S, the dihedral angle between the planes of the benzofuran ring system [r.m.s. deviation = 0.008 Å] and the 4-methylphenyl ring is 77.29 (4)°. In the crystal, molecules are linked by π–π interactions between the benzene rings of neighbouring molecules [centroid–centroid distance = 3.847 (2) Å] and between the benzene and furan rings of neighbouring molecules [centroid–centroid distance = 3.743 (2) Å]. The molecules are stacked along thea-axis direction. In addition, pairs of C—H...O hydrogen bonds are observed between inversion-related dimers: these generateR22(12) loops.

scholarly journals Crystal structure of 5-chloro-2,4,6-trimethyl-3-(4-methylphenylsulfinyl)-1-benzofuran

2014 ◽  
Vol 70 (12) ◽  
pp. o1233-o1234
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C18H17ClO2S, the dihedral angle between the planes of the benzofuran ring [r.m.s. deviation = 0.013 (1) Å] and the 4-methylphenyl ring is 87.37 (5)°. In the crystal, molecules are linked by C—H...O hydrogen bonds and π–π interactions between the furan and benzene rings of neighbouring molecules [centroid–centroid distance = 3.525 (2) Å]. In addition, an S...S [3.6584 (9) Å] contact is observed.

scholarly journals Crystal structure of 5-bromo-2,4,6-trimethyl-3-[(2-methylphenyl)sulfinyl]-1-benzofuran

2015 ◽  
Vol 71 (8) ◽  
pp. o602-o603
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
The Mean

In the title compound, C18H17BrO2S, the dihedral angle between the mean planes of the benzofuran [r.m.s. deviation = 0.025 (2) Å] and the 2-methylbenzene rings is 87.87 (5)°. In the crystal, molecules are linked into supramolecular layers parallel to (0-11) by C—H...O hydrogen bonds and Br...Br [3.4521 (5) Å] contacts. These are connected into a three-dimensional architectureviaC—H...π interactions, which link inversion-related molecules into dimers, and π–π interactions between the benzene and furan rings [centroid–centroid distance = 3.573 (2) Å].

scholarly journals Crystal structure of 4-(3,4-dicyanophenoxy)-N-[3-(dimethylamino)propyl]benzamide monohydrate: a phenoxyphthalonitrile derivative

2015 ◽  
Vol 71 (9) ◽  
pp. 1042-1044
Author(s):  
Senem Çolak ◽  
Salih Zeki Yıldız ◽  
Nagihan Çaylak Delibaş ◽  
Hasan Pişkin ◽  
Tuncer Hökelek
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Extended Conformation ◽  
Compound C

In the title compound, C20H20N4O2·H2O, the planes of the phenoxy and phthalonitrile rings are oriented at a dihedral angle of 60.39 (5)°. The 3-(dimethylamino)propyl chain has an extended conformation and isciswith respect to the phthalonitrile ring. In the crystal, O—H...O, O—H...N and N—H...O hydrogen bonds link the molecules to form slabs parallel to (100). There are also C—H...O and C—H...N hydrogen bonds and C—H...π interactions present within the slabs. The slabs are linked by a pair of inversion-related C—H...N hydrogen bonds, involving phthalonitrile rings, forming a three-dimensional structure.

scholarly journals 2-Phenyl-1-(phenylsulfinyl)naphtho[2,1-b]furan

2009 ◽  
Vol 65 (6) ◽  
pp. o1443-o1443 ◽  
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Byeng Wha Son ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Phenyl Group ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C24H16O2S, the O atom and the phenyl group of the phenylsulfinyl substituent lie on opposite sides of the plane of the naphthofuran fragment; the phenyl ring is almost perpendicular to this plane [82.34 (5)°]. The 2-phenyl ring is rotated out of the naphthofuran plane making a dihedral angle of 48.21 (6)°. The crystal structure shows π–π interactions between the central benzene rings of adjacent molecules [centroid–centroid distance = 3.516 (3) Å], as well as non-classical C—H...O hydrogen bonds.

1-(2,4-Dichlorophenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one

2006 ◽  
Vol 62 (7) ◽  
pp. o2596-o2598 ◽  
Author(s):  
P. S. Patil ◽  
Mohd Mustaqim Rosli ◽  
Hoong-Kun Fun ◽  
Ibrahim Abdul Razak ◽  
S. M. Dharmaprakash
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

In the title compound, C17H14Cl2O3, the dihedral angle between the benzene rings is 45.42 (15)°. In the crystal structure, molecules form layers parallel to the bc plane, and these are stabilized by intermolecular C—H...O hydrogen bonds and by π–π interactions between the benzene rings with a centroid–centroid distance of 3.848 Å.

scholarly journals Crystal structure of fipronil

2017 ◽  
Vol 73 (10) ◽  
pp. 1472-1474 ◽  
Author(s):  
Hyunjin Park ◽  
Jineun Kim ◽  
Eunjin Kwon ◽  
Tae Ho Kim
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Chain Structure ◽  
Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
Ring Centroid

The title compound, C12H4Cl2F6N4OS {systematic name: 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[(trifluoromethane)sulfinyl]-1H-pyrazole-3-carbonitrile}, is a member of the phenylpyrazole group of acaricides, and one of the phenylpyrazole group of insecticides. The dihedral angle between the planes of the pyrazole and benzene rings is 89.03 (9)°. The fluorine atoms of the trifluoromethyl substituent on the benzene ring are disordered over two sets of sites, with occupancy ratios 0.620 (15):0.380 (15). In the crystal, C—N...π interactions [N...ring centroid = 3.607 (4) Å] together with N—H...N and C—H...F hydrogen bonds form a looped chain structure along [10\overline{1}]. Finally, N—H...O hydrogen bonds and C—Cl...π interactions [Cl...ring centroid = 3.5159 (16) Å] generate a three-dimensional structure. Additionally, there are a short intermolecular F... F contacts present.

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].

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