scholarly journals 3,3′-Dicyclopentyl-1,1′-(1,3-phenylenedimethylene)dibenzimidazol-1-ium bis(hexafluorophosphate)

2012 ◽  
Vol 68 (6) ◽  
pp. o1868-o1868
Author(s):  
Rosenani A. Haque ◽  
S. Fatimah Nasri ◽  
Mohd Mustaqim Rosli ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Benzimidazole Ring ◽  
Rotation Symmetry ◽  
Compound C ◽  
Dimensional Network

In the title compound, C32H36N4 2+·2PF6 −, the cation and the anions each have crystallographic twofold rotation symmetry. The benzimidazole ring is almost planar [r.m.s. deviation = 0.0161 (1) Å] and makes a dihedral angle of 5.77 (4)° with its symmetry-related component and a dihedral angle of 80.96 (5)° with the central benzene ring. The cyclopentyl ring adopts a half-chair conformation. In the crystal, molecules are linked into a three-dimensional network through C—H...F hydrogen bonds. A C—H...π interaction is also observed.

scholarly journals 4-[(5,5-Dimethyl-3-oxocyclohex-1-enyl)amino]benzenesulfonamide

2012 ◽  
Vol 68 (8) ◽  
pp. o2370-o2370
Author(s):  
Mansour S. Al-Said ◽  
Mostafa M. Ghorab ◽  
Hazem A. Ghabbour ◽  
Ching Kheng Quah ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Compound C ◽  
Cyclohexene Ring ◽  
Dimensional Network

In the title compound, C14H18N2O3S, the cyclohexene ring exhibits a distorted half-chair conformation and its mean plane makes a dihedral angle of 46.18 (8)° with the benzene ring. In the crystal, molecules are linkedviaN—H...O, N—H...(O,O) and C—H...O hydrogen bonds, forming a three-dimensional network.

scholarly journals Crystal structure of 2-(4-chloro-3-fluorophenyl)-1H-benzimidazole

2015 ◽  
Vol 71 (6) ◽  
pp. o387-o388 ◽  
Author(s):  
M. S. Krishnamurthy ◽  
Noor Shahina Begum
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Benzimidazole Ring ◽  
Compound C ◽  
Dimensional Network

In the title compound, C13H8ClFN2, the dihedral angle between the plane of the benzimidazole ring system (r.m.s. deviation = 0.022 Å) and the benzene ring is 26.90 (8)°. The F atom at themetaposition of the benzene ring is disordered over two sites in a 0.843 (4):0.157 (4) ratio. In the crystal, molecules are linked by N—H...N hydrogen bonds, forming infiniteC(4) chains propagating along [010]. In addition, weak C—H...π and π–π interactions [shortest centroid–centroid separation = 3.6838 (12) Å] are observed, which link the chains into a three-dimensional network.

scholarly journals 5,8-Dimethoxy-3,9-dimethyl-3a,4,9,9a-tetrahydro-4,9-epoxynaphtho[2,3-d]isoxazole

2014 ◽  
Vol 70 (5) ◽  
pp. o544-o544 ◽  
Author(s):  
Alan J. Lough ◽  
Jaipal R. Nagireddy ◽  
William Tam
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Methyl Group ◽  
Isoxazole Ring ◽  
Compound C ◽  
Dimensional Network ◽  
Weak Hydrogen Bonds

The title compound, C15H17NO4, is theexoisomer with asynarrangement of the O atom in the isoxazole ring to the methyl group of the bicyclic alkene. The dihedral angle between the isoxazole ring and the benzene ring is 7.42 (9)°. In the crystal, weak C—H...O hydrogen bonds link molecules, forming a three-dimensional network. The isoxazole O atom is an acceptor for both weak hydrogen bonds.

scholarly journals 2-[2-(4-Methylpiperazin-1-yl)ethyl]isoindoline-1,3-dione

2014 ◽  
Vol 70 (3) ◽  
pp. o287-o287
Author(s):  
Mi Zhou ◽  
Ying Shao ◽  
Yong-an Xia ◽  
Xiao-Long Liu ◽  
Xiao-Qiang Sun
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Ring System ◽  
Piperazine Ring ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

In the title compound, C15H19N3O2, the piperazine ring adopts a chair conformation, with its N—C bonds in pseudo-equatorial orientations. The dihedral angle between the C atoms of the piperazine ring and the phthalamide ring system (r.m.s. deviaiton = 0.008 Å) is 89.30 (8)°. In the crystal, molecules are linked by C—H...O hydrogen bonds, generating a three-dimensional network and aromatic π–π interactions also occur [centroid–centroid distances = 3.556 (1)–3.716 (1) Å].

scholarly journals 2-Nitrobenzyl methanesulfonate

2014 ◽  
Vol 70 (5) ◽  
pp. o616-o616 ◽  
Author(s):  
Venkatramu Anuradha ◽  
S. Madan Kumar ◽  
B. P. Siddaraju ◽  
N. K. Lokanath ◽  
P. Nagendra
Keyword(s):  
Hydrogen Bonds ◽  
Nitro Group ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network

In the title compound, C8H9NO5S, the dihedral angle between the benzene ring and the nitro group is 5.86 (15)° and the C—C—O—S group adopts ananticonformation [torsion angle = −168.44 (15)°]. In the crystal, molecules are linked by C—H...O hydrogen bonds, generating a three-dimensional network.

scholarly journals (E)-4-Bromo-N′-(4-hydroxy-3-methoxybenzylidene)benzohydrazide monohydrate

2012 ◽  
Vol 68 (4) ◽  
pp. o1069-o1070 ◽  
Author(s):  
Jirapa Horkaew ◽  
Suchada Chantrapromma ◽  
Teerasak Anantapong ◽  
Akkharawit Kanjana-Opas ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Methoxy Group ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

In the title compound, C15H13BrN2O3·H2O, the dihedral angle between the two benzene rings is 13.92 (6)°. The methoxy group of the 4-hydroxy-3-methoxyphenyl is almost coplanar with its bound benzene ring, as seen by the Cmethyl—O—C—C torsion angle of −0.35 (16)°. In the crystal, molecules are linked into a three-dimensional network by N—H...O, O—H...N and O—H...O hydrogen bonds and also weak C—H...O interactions. A short C...O contact of 3.0191 (15) Å is also present.

scholarly journals 1-(Cyclohex-1-en-1-yl)-3-[(1-phenyl-1H-1,2,3-triazol-4-yl)methyl]-1H-benzimidazol-2(3H)-one

IUCrData ◽  
2017 ◽  
Vol 2 (6) ◽  
Author(s):  
Mohamed Adardour ◽  
Mohamed Loughzail ◽  
Slimane Dahaoui ◽  
Abdesselam Baouid ◽  
Moha Berraho
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Triazole Ring ◽  
Chair Conformation ◽  
Ring System ◽  
Benzimidazole Ring ◽  
Phenyl Substituent ◽  
Compound C ◽  
Dimensional Network

In the title compound, C22H21N5O, the triazole ring is inclined at 16.88 (12)° to its phenyl substituent and is almost normal to the benzimidazole ring system, making a dihedral angle of 88.40 (8)°. The cyclohexenyl ring adopts a half-chair conformation and its mean plane is inclined to the benzimidazole ring system by 78.75 (12)°. In the crystal, molecules are linked by C—H...O and C—H...N hydrogen bonds, forming a three-dimensional network.

scholarly journals 2-(4-Isobutylphenyl)-N′-[(3Z)-2-oxoindolin-3-ylidene]propanohydrazide

2012 ◽  
Vol 68 (4) ◽  
pp. o1222-o1223 ◽  
Author(s):  
Shaaban K. Mohamed ◽  
Mehmet Akkurt ◽  
Mustafa R. Albayati ◽  
Kuldip Singh ◽  
Herman Potgieter
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Maximum Deviation ◽  
Compound C ◽  
Dimensional Network

In the title compound, C21H23N3O2, the indolin-2-one group is essentially planar, with a maximum deviation of 0.016 (2) Å for the N atom, and makes a dihedral angle of 84.38 (14)° with the benzene ring. The =N—N(H)—C(=O)—C– torsion angle is 0.9 (3)°. In the crystal, molecules are linked into a three-dimensional networkviaN—H...O and C—H...O hydrogen bonds. In addition, a C—H...π interaction was observed.

scholarly journals Crystal structure of 5-hydroxymethyl-2-methoxyphenol

2015 ◽  
Vol 71 (8) ◽  
pp. o540-o541
Author(s):  
Mubashir Hassan ◽  
Zaman Ashraf ◽  
Sung-Yum Seo ◽  
Daeyoung Kim ◽  
Sung Kwon Kang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Hydroxymethyl Group ◽  
Compound C ◽  
Dimensional Network ◽  
Methoxy Groups

In the title compound, C8H10O3, the hydroxymethyl group is twisted by 74.51 (13)° from the plane of the benzene ring to which it is connected. By contrast, the benzene and methoxy groups are almost coplanar, making a dihedral angle of 4.0 (2)°. In the crystal, O—H...O hydrogen bonds link the molecules into a three-dimensional network.

scholarly journals (Z)-1-(4-Methylphenyl)-2-(phenylsulfonyl)ethanone oxime

2012 ◽  
Vol 68 (8) ◽  
pp. o2369-o2369
Author(s):  
Hoong-Kun Fun ◽  
Tze Shyang Chia ◽  
Khalid A. Al-Rashood ◽  
Hatem A. Abdel-Aziz
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network

The molecule of the title compound, C15H15NO3S, has a twisted U-shaped conformation: the twist occurs at the central C—S(=O)2—C—C—C unit and the benzene ring makes a dihedral angle of 28.74 (7)° with the phenyl ring. The S—C—C=N torsion angle is −88.95 (13)°. In the crystal, inversion dimers linked by pairs of O—H...N hydrogen bonds generateR22(6) loops, and C—H...O hydrogen bonds connect the dimers into a three-dimensional network.

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