scholarly journals Crystal structure of (2-methyl-1-phenylsulfonyl-1H-indol-3-yl)(phenyl)methanone

2015 ◽  
Vol 71 (2) ◽  
pp. 133-135 ◽  
Author(s):  
M. Umadevi ◽  
V. Saravanan ◽  
R. Yamuna ◽  
A. K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Helical Chain ◽  
Indole Ring ◽  
Tetrahedral Configuration ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C22H17NO3S, the sulfonyl-bound phenyl ring is almost orthogonal to the indole ring system, making a dihedral angle of 84.89 (7)°. The carbonyl-bound phenyl ring forms a dihedral angle of 57.32 (5)° with the indole ring system. The two phenyl rings are inclined at 52.68 (7)°. The S atom has a distorted tetrahedral configuration. In the crystal, weak C—H...O interactions link the molecules, forming a helical chain along theb-axis direction.

scholarly journals Crystal structure of (2-bromomethyl-1-phenylsulfonyl-1H-indol-3-yl)(phenyl)methanone

2015 ◽  
Vol 71 (2) ◽  
pp. o86-o87 ◽  
Author(s):  
M. Umadevi ◽  
V. Saravanan ◽  
R. Yamuna ◽  
A. K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Molecular Structure ◽  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Dihedral Angles ◽  
Indole Ring ◽  
Tetrahedral Configuration ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C22H16BrNO3S, the phenyl rings make dihedral angles of 84.81 (16) and 61.67 (17)° with the indole ring system (r.m.s. deviation = 0.012 Å), while the phenyl rings are inclined to one another by 69.5 (2)°. The molecular structure is stabilized by weak intramolecular C—H...O hydrogen bonds. The sulfonyl S atom has a distorted tetrahedral configuration. In the crystal, there are no significant intermolecular interactions present.

scholarly journals Crystal structure of 4-methylsulfanyl-2-phenylquinazoline

2014 ◽  
Vol 70 (8) ◽  
pp. o871-o871 ◽  
Author(s):  
Mohammed B. Alshammari ◽  
Keith Smith ◽  
Amany S. Hegazy ◽  
Benson M. Kariuki ◽  
Gamal A. El-Hiti
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
The Other ◽  
Compound C ◽  
Π Stacking ◽  
Centroid Distance ◽  
Phenyl Rings

In the title compound, C15H12N2S, the methylthioquinazoline group is planar with the methyl C displaced by only 0.116 (3) Å from the plane of the quinazoline moiety. The dihedral angle between the phenyl ring and the quinazoline ring system is 13.95 (5)°. In the crystal, each molecule is linked by π–π stacking between to two adjacent inversion-related molecules. On one side, the inverted quinazoline groups interact with a centroid–centroid distance of 3.7105 (9) Å. On the other side, the quinazoline group interacts with the pyrimidine and phenyl rings of the second neighbour with centroid–centroid distances of 3.5287 (8) and 3.8601 (9) Å, respectively.

scholarly journals Crystal structure of (E)-diethyl 2-[(1-phenylsulfonyl-1H-indol-3-yl)methylidene]succinate

2015 ◽  
Vol 71 (12) ◽  
pp. o1029-o1030
Author(s):  
M. Umadevi ◽  
Potharaju Raju ◽  
R. Yamuna ◽  
Arasambattu K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Molecular Conformation ◽  
Ring System ◽  
Indole Ring ◽  
Π Interactions ◽  
Compound C ◽  
Graph Set

In the title compound, C23H23NO6S, the phenyl ring is perpendicular [dihedral angle = 89.34 (9)°] to the indole ring system. In the molecule, the ethoxy groups are each disordered over two sets of sites with occupancy ratios of 0.671 (6):0.329 (6) and 0.75 (3):0.25 (3). The molecular conformation is consolidated by a weak C—H...O interaction, which generates anS(6) graph–set motif. The packing of the molecules in the crystal structure features weak C—H...π interactions.

scholarly journals Crystal structure of 5,10,15-triphenyl-20-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)porphyrin

2014 ◽  
Vol 70 (10) ◽  
pp. o1085-o1086
Author(s):  
Mathias O. Senge ◽  
Hans-Georg Eckhardt
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Central Region ◽  
Title Compound ◽  
Ring System ◽  
Compound C ◽  
Porphyrin Macrocycle ◽  
Phenyl Rings ◽  
Supramolecular Chains

In the title compound, C44H37BN4O2, the dihedral angle between the plane of the porphyrin macrocycle ring system [r.m.s. deviation = 0.159 (1) Å] and those of three phenyl rings are 66.11 (4), 74.75 (4) and 57.00 (4)°. The conformational distortion is characterized by a mixture of ruffled, saddle and in-plane distortion modes. In the crystal, the porphyrin molecules are linked by C—H...π interactions into supramolecular chains running along thea-axis direction. A pair of bifurcated N—H...(N,N) hydrogen bonds occur across the central region of the macrocycle.

scholarly journals 2-Bromo-1-(1-phenylsulfonyl-1H-indol-3-yl)propan-1-one

2014 ◽  
Vol 70 (3) ◽  
pp. o295-o296
Author(s):  
C. Ramathilagam ◽  
P. R. Umarani ◽  
V. Saravanan ◽  
A. K. Mohanakrishnan ◽  
B. Gunasekaran ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Indole Ring ◽  
Methyl Group ◽  
Π Interactions ◽  
Compound C ◽  
A Chain

In the title compound, C17H14BrNO3S, the phenyl ring makes a dihedral angle of 89.78 (16)° with the plane of the indole ring system. The terminal Br atom and the methyl group are disordered over two sets of sites, with site occupancies of 0.860 (2) and 0.140 (2). In the crystal, molecules are linked into a chain along theb-axis direction by weak C—H...O hydrogen bonds. The chains are further linked by C—H...π interactions, forming layers parallel to thebcplane.

Ethyl 2-acetamidomethyl-5-methoxy-1-(phenylsulfonyl)indole-3-carboxylate

2007 ◽  
Vol 63 (11) ◽  
pp. o4223-o4223
Author(s):  
Pon. Sathya Moorthy ◽  
M. Balasubramanian ◽  
V. Dhayalan ◽  
A. K. Mohanakrishnan ◽  
M. N. Ponnuswamy
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Ring System ◽  
Indole Ring ◽  
Π Interactions ◽  
Compound C

In the title compound, C21H22N2O6S, the dihedral angle between the sulfonyl-bound phenyl ring and the indole ring system is 79.4 (1)°. The crystal packing is controlled by intra- and intermolecular N—H...O, C—H...O and C—H...π interactions, in addition to van der Waals forces.

scholarly journals Crystal structure of (E)-N-phenyl-N′-[1-(thiophen-2-yl)ethylidene]formohydrazide

2014 ◽  
Vol 70 (9) ◽  
pp. o928-o929
Author(s):  
C. S. Dileep ◽  
K. R. Raghavendra ◽  
N. K. Lokanath ◽  
K. Ajay Kumar ◽  
M. A. Sridhar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Helical Chain ◽  
Axis Direction ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C13H12N2OS, the planes of the thiophene and phenyl rings are nearly perpendicular to each other, making a dihedral angle of 86.42 (12)°. In the crystal, molecules are linked by C—H...O hydrogen bonds, forming a helical chain along theb-axis direction.

scholarly journals 6-Amino-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyrazine-5-carboxamide

IUCrData ◽  
2016 ◽  
Vol 1 (11) ◽  
Author(s):  
Manpreet Kaur ◽  
Shaaban K. Mohamed ◽  
Mehmet Akkurt ◽  
Jerry P. Jasinski ◽  
Talaat I. El-Emary ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Molecular Conformation ◽  
Ring System ◽  
Pyrazine Ring ◽  
Π Interactions ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C13H12N6O, the pyrazolo[3,4-b]pyrazine ring system is planar (r.m.s. deviation for the nine fitted atoms = 0.024 Å) and makes a dihedral angle of 5.72 (6)° with the pendent phenyl ring. The molecular conformation is stabilized by intramolecular N—H...O and C—H...N hydrogen bonds, each generating anS(6) loop. In the crystal, pairs of molecules are connected into inversion dimers by strong N—H...O hydrogen bonds, formingR22(8) ring motifs. These are linked into sheets parallel to (100)viaN—H...N hydrogen bonds; π–π interactions between symmetry-related pyrazole and phenyl rings [centroid–centroid distances = 3.4453 (9) Å] within the sheets are also noted.

scholarly journals 1-(2-Bromomethyl-1-phenylsulfonyl-1H-indol-3-yl)propan-1-one

2013 ◽  
Vol 69 (12) ◽  
pp. o1802-o1803 ◽  
Author(s):  
M. Umadevi ◽  
V. Saravanan ◽  
R. Yamuna ◽  
A. K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Indole Ring ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C

In the title compound, C18H16BrNO3S, the dihedral angle between the phenyl ring and the indole ring system is 89.91 (11)°. The molecular structure features weak C—H...O and C—H...Br hydrogen bonds. In the crystal, molecules are linked by weak C—H...O hydrogen bonds, forming chains along thea-axis direction. The chains are further linked by C—H...π interactions, forming a layer parallel to theabplane.

scholarly journals (3E)-3-{(2E)-3-[4-(Dimethylamino)phenyl]prop-2-enylidene}-3,4-dihydro-2H-chromen-4-one

IUCrData ◽  
2018 ◽  
Vol 3 (9) ◽  
Author(s):  
K. Biruntha ◽  
D. Reuben Jonathan ◽  
U. Mohamooda Sumaya ◽  
E. R. A. Dravida Thendral ◽  
G. Usha
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Crystal Packing ◽  
Van Der Waals ◽  
Van Der Waals Forces ◽  
Ring System ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C20H19NO2, the (dimethylamino)phenyl ring and the chromanone ring system are linked via an α-β unsaturated carbon bridge. The dihedral angle between the two terminal phenyl rings is 29.66 (6)°. The tetrahydro-4H-pyran-4 one ring in the chromanone moiety adopts a sofa conformation. The crystal packing is stabilized only by van der Waals forces.

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