scholarly journals (4,9-Dimethyl-9H-carbazol-3-yl)methanol

2014 ◽  
Vol 70 (3) ◽  
pp. o346-o347
Author(s):  
Serkan Öncüoğlu ◽  
Nefise Dilek ◽  
Yavuz Ergün ◽  
Tuncer Hökelek
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Indole Ring ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C

In the title compound, C15H15NO, the carbazole skeleton includes a methanol group at the 3-position. The indole ring system is almost planar [maximum deviation = 0.045 (2) Å]. In the crystal, O—H...O hydrogen bonds link the molecules into zigzag chains along theb-axis direction. There are weak C—H...π interactions within the chains and linking neighbouring chains forming sheets lying parallel to (001).

scholarly journals 2-{4-Methyl-N-[(2,3,4,9-tetrahydro-1H-carbazol-3-yl)methyl]benzenesulfonamido}ethyl 4-methylbenzenesulfonate

2013 ◽  
Vol 69 (12) ◽  
pp. o1797-o1798 ◽  
Author(s):  
Mustafa Göçmentürk ◽  
Yavuz Ergün ◽  
Berline Mougang-Soume ◽  
Nagihan Çaylak Delibaş ◽  
Tuncer Hökelek
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Indole Ring ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
A Chain

In the title compound, C29H32N2O5S2, the indole ring system is nearly planar, with a maximum deviation of 0.013 (2) Å, and the cyclohexenone ring has an envelope conformation with the methine C atom as the flap. The two methylbenzene rings are approximately perpendicular to each other, making a dihedral angle of 89.09 (8)°. In the crystal, N—H...O hydrogen bonds link the molecules into a chain running along thea-axis direction, and weak C—H...O hydrogen bonds and C—H...π interactions are observed between the chains.

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 (R*)-1-Benzyl-3-(2-hydroxyphenyl)indoline-2-one

IUCrData ◽  
2017 ◽  
Vol 2 (8) ◽  
Author(s):  
Srinivasan Bargavi ◽  
Siddan Gouthaman ◽  
Madurai Sugunnalakshmi ◽  
Srinivasakannan Lakshmi
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Indole Ring ◽  
Asymmetric Unit ◽  
Ring Systems ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules

The title compound, C21H17NO2, crystallizes with two independent molecules (AandB) in the asymmetric unit. The indoline ring system is almost planar in both molecules (r.m.s. deviations = 0.020 and 0.024 Å for moleculesAandB, respectively). The benzyl and phenol rings are inclined to the indole ring system by 80.39 (12) and 68.39 (12)° in moleculeA, and by 79.90 (13) and 74.88 (10)° in moleculeB. The aryl rings are inclined to one another by 33.30 (14) and 30.62 (14)° in moleculesAandB, respectively. In the crystal,Amolecules are linked by pairs of O—H...O hydrogen bonds, forming inversion dimers. The same situation is observed for theBmolecules and both sets of inversion dimers encloseR22(14) ring motifs. These dimers stack along thea-axis direction and are linked by offset π–π interactions [intercentroid distance = 3.6802 (13) Å] involvingAandBindole ring systems, forming layers parallel to theabplane.

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.

scholarly journals 2-(4,5-Dimethoxy-2-nitrophenyl)-4-methoxy-9-phenylsulfonyl-9H-carbazole-3-carbaldehyde

2014 ◽  
Vol 70 (4) ◽  
pp. o424-o425 ◽  
Author(s):  
P. Narayanan ◽  
K. Sethusankar ◽  
Velu Saravanan ◽  
Arasambattu K. Mohanakrishnan
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Ring System ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Ring Motif

In the title compound, C28H22N2O8S, the carbazole ring system is roughly planar, with a maximum deviation of 0.084 (3) Å for the C atom connected to the 4,5-dimethoxy-2-nitrophenyl ring. The dihedral angle between the carbazole system and the dimethoxy-substituted nitrophenyl ring is 57.05 (10)°. The aldehyde C atom deviates by 0.164 (5) Å from its attached carbazole ring system. The molecular structure is stabilized by C—H...O interactions which generate twoS(6) and oneS(7) ring motif. In the crystal, molecules are linked by C—H...O hydrogen bonds, formingR33(15) ring motifs, which are further crosslinked byR32(19) ring motifs, resulting in (002) layers. The crystal packing also features C—H...π interactions.

scholarly journals Methyl 3′-benzyl-4′-(2,4-dichlorophenyl)-1′-methyl-2-oxospiro[indoline-3,2′-pyrrolidine]-3′-carboxylate

2014 ◽  
Vol 70 (3) ◽  
pp. o335-o335 ◽  
Author(s):  
S. Karthikeyan ◽  
P. Narayanan ◽  
K. Sethusankar ◽  
Anthonisamy Devaraj ◽  
Manickam Bakthadoss
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Maximum Deviation ◽  
Indole Ring ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C27H24Cl2N2O3, the indole ring system is essentially planar, with a maximum deviation of 0.082 (2) Å for the carbonyl C atom. It makes a dihedral angle of 88.53 (6)° with the mean plane of the 4-methylpyrrolidine ring, which adopts an envelope conformation with the N atom at the flap position. The molecular structure is stabilized by intramolecular C—H...O hydrogen bonds, which generateS(6) andS(7) ring motifs, and an intramolecular π–π interaction involving the benzyl and dichloro-substituted benzene rings [centroid–centroid distance = 3.6291 (11) Å]. In the crystal, molecules are linkedviaN—H...O hydrogen bonds, formingC(7) chains running parallel to [10-1].

scholarly journals Crystal structure of (Z)-3-{3-(4-chlorophenyl)-2-[(4-chlorophenyl)imino]-2,3-dihydrothiazol-4-yl}-2H-chromen-2-one

2014 ◽  
Vol 70 (12) ◽  
pp. o1268-o1269
Author(s):  
M. Kayalvizhi ◽  
G. Vasuki ◽  
R. Raj Kumar ◽  
V. Rajeswar Rao
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Thiazole Ring ◽  
Maximum Deviation ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Chromene Ring

In the title compound, C24H14Cl2N2O2S, the 2H-chromene ring system is approximately planar, with a maximum deviation of 0.025 (2) Å. The thiazole ring is almost planar, with an r.m.s. deviation of 0.0022 Å, and makes a dihedral angle of 58.52 (7)° with the chromene ring system. The chromene ring system is inclined at angles of 58.3 (1) and 55.39 (9)° with respect to the two chlorophenyl rings. The two chlorophenyl rings show significant deviation from coplanarity, with a dihedral angle between them of 47.69 (8)°. The crystal structure features C—H...Cl interactions extending in (100) and propagating along thea-axis direction and weak π–π interactions [centroid–centroid separation = 3.867 (2) Å].

scholarly journals N-(1-Acetyl-5-benzoyl-1,4,5,6-tetrahydropyrrolo[3,4-c]pyrazol-3-yl)benzamide

2012 ◽  
Vol 68 (6) ◽  
pp. o1677-o1677
Author(s):  
Xiao-Guang Bai ◽  
Ju-Xian Wang ◽  
Yu-Cheng Wang
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Ring System ◽  
Dihedral Angles ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Phenyl Rings

In the molecule of the title compound, C21H18N4O3, the fused pyrrolo[3,4-c]pyrazole ring system is approximately planar [maximum deviation = 0.0486 (16) Å] and forms dihedral angles of 87.21 (8) and 35.46 (7)° with the phenyl rings. In the crystal, N—H...O and C—H...O hydrogen bonds and weak C—H...π interactions link the molecules into chains parallel to [201].

scholarly journals Ethyl 1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylate

IUCrData ◽  
2017 ◽  
Vol 2 (6) ◽  
Author(s):  
Yassir Filali Baba ◽  
Youssef Kandri Rodi ◽  
Sonia Hayani ◽  
Jerry P. Jasinski ◽  
Manpreet Kaur ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Ring System ◽  
Mirror Plane ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

The title compound, C13H13NO3, lies on a mirror plane with an intramolecular C—H...O hydrogen bond enclosing anS(6) ring. In the crystal, weak C—H...O hydrogen bonds link the molecules into zigzag chains along thea-axis direction and π–π interactions, with a centroid-to-centroid distance of 3.7003 (2) Å, involving the pyridine and benzene rings of the oxoquinoline ring system, pack the molecules into parallel layers.

scholarly journals 6-tert-Butyl-4-[(4-hydroxymethyl-2H-1,2,3-triazol-2-yl)methyl]-2H-chromen-2-one

IUCrData ◽  
2016 ◽  
Vol 1 (10) ◽  
Author(s):  
Nasseem El-Khatatneh ◽  
Chandra ◽  
D. Shamala ◽  
K. Shivashankar ◽  
M. Mahendra
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Triazole Ring ◽  
Ring System ◽  
Maximum Deviation ◽  
Hydroxymethyl Group ◽  
Π Interactions ◽  
Compound C ◽  
Chromene Ring

In the title compound, C17H19N3O3, the triazole ring and the chromene ring system [maximum deviation = 0.018 (2) Å for the O atom] bridged via a methylene C atom, are inclined to one another by 73.2 (1)°. In the crystal, molecules are linked by O—H...N hydrogen bonds, forming zigzag chains along [001]. The chains are linked by C—H...O hydrogen bonds, forming layers parallel to (010), and these layers are linked by C—H...π and π–π interactions [intercentroid distance = 3.557 (1) Å], forming a three-dimensional newwork. The hydroxymethyl group at the 4-position of the triazole ring is disordered over two sets of sites, with a refined occupancy ratio of 0.418 (11):0.584 (11).

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