scholarly journals 1-{2-Hydroxy-6-[3-(pyrrol-1-yl)propoxy]phenyl}ethanone

2012 ◽  
Vol 68 (4) ◽  
pp. o1083-o1083 ◽  
Author(s):  
Ali Ourari ◽  
Djouhra Aggoun ◽  
Sofiane Bouacida
Keyword(s):  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean

In the title compound, C15H17NO3, the mean planes of the pyrrole and benzene rings form a dihedral angle of 81.92 (7)°. The molecule contains an intramolecular O—H...O hydrogen bond. In the crystal, weak C—H...π interactions link the molecules into chains along [010].

scholarly journals Crystal structure of 1-benzyl-4-formyl-1H-pyrrole-3-carboxamide

2016 ◽  
Vol 72 (2) ◽  
pp. 133-135
Author(s):  
Qi-Di Zhong ◽  
Sheng-Quan Hu ◽  
Hong Yan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Bond Forming ◽  
Compound C ◽  
The Mean ◽  
Ring Motif

In the title compound, C13H12N2O2(I), the mean planes of the pyrrole and benzyl rings are approximately perpendicular, forming a dihedral angle of 87.07 (4) °. There is an intramolecular N—H...O hydrogen bond forming an S(7) ring motif. In the crystal, molecules are linkedviaa pair of N—H...O hydrogen bonds forming inversion dimers. C—H...O hydrogen bonds link the dimers into chains along direction [10-1]. The chains are further linked by weak C—H...π interactions forming layers parallel to theacplane.

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 11,11-Diphenyl-11H-indeno[1,2-b]quinoxaline

IUCrData ◽  
2020 ◽  
Vol 5 (9) ◽  
Author(s):  
Lin Chen ◽  
Jin Hu ◽  
Li-Li Wu ◽  
Hong-Shun Sun
Keyword(s):  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Π Interactions ◽  
Compound C ◽  
Π Stacking ◽  
Benzene Rings ◽  
The Mean ◽  
Quinoxaline Ring

In the title compound, C27H18N2, the mean planes of the pendant benzene rings are approximately perpendicular to one another, making a dihedral angle of 79.3 (5)°; the indeno[1,2-b]quinoxaline ring system (r.m.s. deviation = 0.1197 Å) is twisted with respect to the pendant benzene rings by 70.0 (4) and 67.6 (3)°. Weak aromatic π–π stacking [centroid–centroid separation = 3.628 (2) Å] and C—H...π interactions occur in the crystal.

scholarly journals 1-(4-Bromophenylsulfinyl)-2-methylnaphtho[2,1-b]furan

2012 ◽  
Vol 68 (4) ◽  
pp. o1246-o1246
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Interplanar Distance ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C19H13BrO2S, the 4-bromophenyl ring makes a dihedral angle of 83.75 (4)° with the mean plane of the naphthofuran fragment [r.m.s. deviation = 0.024 (2) Å]. In the crystal, molecules are linkedviapairs of C—H...O hydrogen bonds, forming inversion dimers. These dimers are connected by weak π–π interactions between the central naphthofuran benzene rings of neighbouring molecules [centroid–centroid distance = 3.483 (2) Å, interplanar distance = 3.416 (2) Å and slippage = 0.680 (2) Å].

scholarly journals 5-Fluoro-2-methyl-3-(3-methylphenylsulfonyl)-1-benzofuran

2014 ◽  
Vol 70 (4) ◽  
pp. o482-o482
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C16H13FO3S, the dihedral angle between the mean planes of the benzofuran ring system and the 3-methylphenyl ring is 80.96 (4)°. In the crystal, molecules are linkedviapairs of π–π interactions between furan and benzene rings, with centroid–centroid distances of 3.758 (1) and 3.771 (1) Å. A similar interaction is found between furan rings, with a centroid–centroid distance of 3.661 (1) Å between neighbouring molecules. The molecules stack along thea-axis direction. In addition, C—H...O and C—H...π hydrogen bonds are observed between inversion-related dimers.

(E)-1-Mercapto-1-(p-tolylsulfanyl)-N-(p-tosylmethyl) methanimine: a two-dimensional supramolecular network of S—H...O and C—H...π interactions

2006 ◽  
Vol 62 (4) ◽  
pp. o1384-o1386
Author(s):  
Masaki Kakeya ◽  
Takashi Fujihara ◽  
Akira Nagasawa
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Supramolecular Network ◽  
Two Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings ◽  
The Mean

In the crystal structure of the title compound, C16H17NO2S3, the dihedral angle between the mean planes of the two benzene rings is 70.8 (1)°. There are intermolecular S—H...O and C—H...π interactions, and molecules are linked into a two-dimensional network. The layers are further linked together by weak C—H...O interactions.

scholarly journals 1-(4-Bromophenylsulfonyl)-2-methylnaphtho[2,1-b]furan

2012 ◽  
Vol 68 (8) ◽  
pp. o2324-o2324 ◽  
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Furan Ring ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C19H13BrO3S, the 4-bromophenyl ring makes a dihedral angle of 64.11 (2)° with the mean plane [r.m.s. deviation = 0.01 (2) Å] of the naphthofuran ring. In the crystal, molecules are linked by weak C—H...O and C—H...π interactions. The crystal structure also exhibits slipped π–π interactions between the central naphthofuran benzene rings of neighbouring molecules [centroid–centroid distance = 3.559 (2), slippage = 1.036 (2) Å], and between the central naphthofuran benzene ring and the furan ring of neighbouring molecules [centroid–centroid distance = 3.655 (2), slippage = 1.136 (2) Å].

scholarly journals Crystal structure of 15-(2-chlorophenyl)-6b-hydroxy-17-methyl-6b,7,16,17-tetrahydro-7,14a-methanonaphtho[1′,8′:1,2,3]pyrrolo[3′,2′:8,8a]azuleno[5,6-b]quinolin-14(15H)-one

2015 ◽  
Vol 71 (12) ◽  
pp. o1091-o1092 ◽  
Author(s):  
J. M. Joseph ◽  
Vijayan Viswanathan ◽  
Devadasan Velmurugan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Dihedral Angles ◽  
Pyrrolidine Ring ◽  
Π Interactions ◽  
Envelope Conformation ◽  
Compound C ◽  
The Mean

In the title compound, C34H25ClN2O2, the fused pyrrolidine ring adopts an envelope conformation with the N atom as the flap. The two adjacent cyclopentane rings also adopt envelope conformations. The mean plane of the pyrrolidine ring makes dihedral angles of 40.53 (10) and 80.23 (10)° with the mean planes of the cyclopentane rings. The dihedral angle between the mean planes of the cyclopentane rings is 46.71 (9)°. An intramolecular O—H...N hydrogen bond is observed. In the crystal, molecules are linked by C—H...O, C—H...N and C—H...π interactions, forming a layer parallel to (10-2).

scholarly journals 1-[3-(4-Chlorophenyl)-5-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl]butan-1-one

2012 ◽  
Vol 68 (4) ◽  
pp. o975-o975 ◽  
Author(s):  
Hoong-Kun Fun ◽  
Ching Kheng Quah ◽  
S. Samshuddin ◽  
B. Narayana ◽  
B. K. Sarojini
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Pyrazole Ring ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C ◽  
Benzene Rings ◽  
The Mean

In the title compound, C20H21ClN2O2, the benzene rings form dihedral angles of 6.35 (5) and 81.82 (5)° with the mean plane of the 4,5-dihydro-1H-pyrazole ring (r.m.s. deviation = 0.145 Å). This latter ring adopts an envelope conformation with the CH grouping as the flap. The dihedral angle between the benzene rings is 75.63 (4)°. In the crystal, molecules are linked by C—H...Cl and C—H...O hydrogen bonds into chains along [-201]. The crystal structure also features C—H...π interactions.

scholarly journals 2,5,7-Trimethyl-3-(4-methylphenylsulfonyl)-1-benzofuran

2012 ◽  
Vol 68 (6) ◽  
pp. o1751-o1751 ◽  
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Interplanar Distance ◽  
Mean Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings ◽  
The Mean

In the title compound, C18H18O3S, the 4-methylphenyl ring makes a dihedral angle of 86.35 (3)° with the mean plane [mean deviation = 0.006 (1) Å] of the benzofuran fragment. In the crystal, molecules are linked by weak C—H...O and C—H...π interactions. The crystal structure also exhibits weak π–π interactions between the furan and benzene rings of neighbouring benzofuran systems [centroid–centroid distance = 3.685 (2), interplanar distance = 3.572 (2) and slippage = 0.906 (2) Å].

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