scholarly journals Crystal structure of dimethyl 3,3′-[(3-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)

2014 ◽  
Vol 70 (12) ◽  
pp. 593-595 ◽  
Author(s):  
Xin-Hua Lu ◽  
Hong-Shun Sun ◽  
Jin Hu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Π Interactions ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C27H21FN2O4, the mean planes of the two indole ring systems (r.m.s. deviations = 0.0166 and 0.0086 Å) are approximately perpendicular to one another, making a dihedral angle of 87.8 (5)°; the fluorobenzene ring is twisted with respect to the mean planes of the two indole ring systems at 82.7 (5) and 85.5 (3)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into the inversion dimers, which are further linked by N—H...O hydrogen bonds into supramolecular chains propagating along theb-axis direction. Weak C—H...π interactions are observed between neighbouring chains.

scholarly journals Crystal structure of dimethyl 3,3′-[(4-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)

2015 ◽  
Vol 71 (10) ◽  
pp. 1140-1142 ◽  
Author(s):  
Hong-Shun Sun ◽  
Yu-long Li ◽  
Hong Jiang ◽  
Ning Xu ◽  
Hong Xu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Π Interactions ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C27H21FN2O4, the mean planes of the indole ring systems (r.m.s. deviations = 0.0263 and 0.0160 Å) are approximately perpendicular to one another, making a dihedral angle of 84.0 (5)°; the fluorobenzene ring is twisted with respect to the mean planes of the two indole ring systems at 89.5 (5) and 84.6 (3)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion dimers, which are further linked by N—H...O hydrogen bonds into supramolecular chains propagated along theb-axis direction. Weak C—H...π interactions are observed between neighbouring chains.

scholarly journals Crystal structure of diethyl 3,3′-[(4-nitrophenyl)methylene]bis(1H-indole-2-carboxylate)

2017 ◽  
Vol 73 (12) ◽  
pp. 1956-1958
Author(s):  
Hong-Shun Sun ◽  
Yu-Long Li ◽  
Hong Jiang ◽  
Yu-Liang Chen ◽  
Ya-Di Hu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C29H25N3O6, the mean planes of the two indole ring systems (r.m.s. deviations = 0.0115 and 0.0082 Å) are approximately perpendicular to one another, making a dihedral angle of 89.7 (5)°; the benzene ring is twisted with respect to the two indole ring systems by 52.6 (4) and 88.2 (3)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into the inversion dimers, which are further linked into supramolecular chains along theb-axis direction. Weak C—H...O hydrogen bonds and C—H...π interactions are also observed in the crystal.

scholarly journals Diethyl 3,3′-[(3-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)

IUCrData ◽  
2020 ◽  
Vol 5 (7) ◽  
Author(s):  
Hong Jiang ◽  
Yu-Long Li ◽  
Jin Zhou ◽  
Hong-Shun Sun ◽  
Qing-Yu Zhang ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C29H25FN2O4, the mean planes of the indole ring systems are approximately perpendicular to one another [dihedral angle = 88.3 (4)°]. The benzene ring is twisted with respect to the indole ring systems by 49.8 (5) and 77.6 (3)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into the inversion dimers which are further linked into supramolecular chains propagating along the [110] direction.

scholarly journals Crystal structure of diethyl 3,3′-[(2-fluorophenyl)methylidene]bis(1H-indole-2-carboxylate)

2017 ◽  
Vol 73 (11) ◽  
pp. 1790-1792 ◽  
Author(s):  
Xin-Hua Lu ◽  
Hong-Shun Sun ◽  
Yuan Cai ◽  
Lu-Lu Chen ◽  
Yang-Feng Chen
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Indole Ring ◽  
Ring Systems ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains ◽  
Centrosymmetric Dimers

In the title compound, C29H25FN2O4, the mean planes of the two indole ring systems (r.m.s. deviations = 0.1392 and 0.0115 Å) are approximately perpendicular to one another, subtending a dihedral angle of 86.0 (5)°; the benzene ring is twisted with respect to the mean planes of the two indole ring systems by 83.3 (2) and 88.1 (4)°, respectively. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into centrosymmetric dimers, which are further linked by N—H...O hydrogen bonds into supramolecular chains propagating along the [101] direction.

scholarly journals Crystal structure of diethyl 3,3′-[(2,4-dichlorophenyl)methylidene]bis(1H-indole-2-carboxylate)

2017 ◽  
Vol 73 (12) ◽  
pp. 1817-1819
Author(s):  
Yu-Long Li ◽  
Hong-Shun Sun ◽  
Hong Jiang ◽  
Yu-Liang Chen ◽  
Yang-Feng Chen
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Title Compound ◽  
Molecular Conformation ◽  
Indole Ring ◽  
Ring Systems ◽  
Compound C ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C29H24Cl2N2O4, the mean planes of the two indole ring systems (r.m.s. deviations = 0.1249 and 0.0075 Å) are approximately perpendicular to one another, with a dihedral angle of 80.9 (5)° between them. The benzene ring is inclined to the mean planes of the two indole ring systems by 76.1 (3) and 78.3 (4)°. Weak intramolecular C—H...π interactions affect the molecular conformation. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion dimers which are further linked into supramolecular chains by N—H...O hydrogen bonds and short Cl—Cl contacts.

scholarly journals Crystal structure of 4-(4b,8a-dihydro-9H-pyrido[3,4-b]indol-1-yl)-7-methyl-2H-chromen-2-one

2017 ◽  
Vol 73 (1) ◽  
pp. 56-58 ◽  
Author(s):  
S. Samundeeswari ◽  
Manohar V. Kulkarni ◽  
G. N. Anil Kumar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring Systems ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
The Mean

The title compound, C21H14N2O2, was prepared by Pictet–Spengler cyclization of tryptamine and 4-formyl coumarin. In the molecule, the dihedral angle between the mean planes of the coumarin and β-carboline ring systems is 63.8 (2)°. In the crystal, molecules are linkedviaN—H...N hydrogen bonds, forming chains along theb-axis direction. Within the chains, there are a number of offset π–π interactions present [shortest intercentroid distance = 3.457 (2) Å].

scholarly journals Diethyl 3,3′-[(4-fluorophenyl)methylidene]bis(1H-indole-2-carboxylate)

IUCrData ◽  
2019 ◽  
Vol 4 (2) ◽  
Author(s):  
Yu-Long Li ◽  
Jin Zhou ◽  
Kai-Long Zhong ◽  
Xing-Hao Shi ◽  
Zhi-Yuan Zhang ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Indole Ring ◽  
Ring Systems ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
The Mean

In the title compound, C29H25FN2O4, the mean planes of the indole ring systems (r.m.s. deviations = 0.0107 and 0.0158 Å) are approximately perpendicular to each other, subtending a dihedral angle of 87.43 (16)°. The 4-fluorophenyl ring is twisted by 77.6 (2) and 83.0 (2)° with respect to the two indole ring systems. In the crystal, molecules are linked by N—H...O hydrogen bonds, forming layers parallel to the (001) plane. The layers are linked by C—H...π interactions, forming a supramolecular three-dimensional network.

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 2-Methyl-1-(3-methylphenylsulfonyl)naphtho[2,1-b]furan

2014 ◽  
Vol 70 (4) ◽  
pp. o416-o416
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
The Mean ◽  
Supramolecular Chains

In the title compound, C20H16O3S, the dihedral angle between the mean planes of the naphthofuran and 3-methylphenyl fragments is 88.56 (2)°. In the crystal, molecules are linkedviapairs of C—H...O hydrogen bonds, forming inversion dimers. These dimers are linked by π–π interactions between the furan rings of neighbouring molecules [centroid–centroid distance = 3.701 (2) Å] into supramolecular chains running along thea-axis direction.

scholarly journals 5-Bromo-3-(3-fluorophenylsulfinyl)-2-methyl-1-benzofuran

2012 ◽  
Vol 68 (8) ◽  
pp. o2491-o2491 ◽  
Author(s):  
Hong Dae Choi ◽  
Pil Ja Seo ◽  
Uk Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Site Occupancy ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
The Mean

In the title compound, C15H10BrFO2S, the 3-fluorophenyl ring makes a dihedral angle of 85.0 (1)° with the mean plane [r.m.s. deviation = 0.008 (2) Å] of the benzofuran fragment. In the crystal, molecules are linked by weak C—H...O hydrogen bonds and a Br...O contact [3.200 (3) Å]. The crystal structure also exhibits slipped π–π interactions between the benzene and furan rings of neighbouring molecules [centroid–centroid distance = 3.619 (4) Å and slippage of 1.389 (4) Å]. In the 3-fluorophenyl ring, the F atom is disordered over two positions with site-occupancy factors of 0.583 (5) and 0.417 (5).

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