scholarly journals (E)-1-([1,1′-Biphenyl]-4-yl)-3-(2-methylphenyl)prop-2-en-1-one

2014 ◽  
Vol 70 (7) ◽  
pp. o809-o810 ◽  
Author(s):  
D. Shanthi ◽  
T. Vidhya Sagar ◽  
M. Kayalvizhi ◽  
G. Vasuki ◽  
A. Thiruvalluvar
Keyword(s):  
Crystal Structure ◽  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Benzene Rings ◽  
Title Molecule

In the title molecule, C22H18O, theo-tolyl ring is connected through a conjugated double bond. The molecule adopts anEconformation and the C—C=C—C torsion angle is 178.77 (13)°. The overall conformation may be described by the values of dihedral angles between the different planes. The terminal rings are twisted by an angle of 54.75 (8)°, while the biphenyl part is not planar, the dihedral angle between the planes of the rings being 40.65 (8)°. The dihedral angle between the benzene rings is 14.10 (7)°. There are three weak C—H...π interactions found in the crystal structure. No classic hydrogen bonds are observed.

scholarly journals 3-[1-(3-Hydroxybenzyl)-1H-benzimidazol-2-yl]phenol

2009 ◽  
Vol 65 (6) ◽  
pp. o1374-o1375 ◽  
Author(s):  
Naser Eltaher Eltayeb ◽  
Siang Guan Teoh ◽  
Hoong-Kun Fun ◽  
Samuel Robinson Jebas ◽  
Rohana Adnan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Crystal Packing ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Benzene Rings ◽  
Title Molecule

In the title molecule, C20H16N2O2, the benzimidazole mean plane forms dihedral angles of 56.55 (3) and 81.65 (4)° with the two benzene rings. In the crystal structure, intermolecular O—H...O and O—H...N hydrogen bonds link the molecules into layers parallel to the (101) plane. The crystal packing also exhibits weak intermolecular C—H...O and C—H...π interactions.

scholarly journals Crystal structure of 4-[(E)-(4-chlorobenzylidene)amino]-3-(2-methylbenzyl)-1H-1,2,4-triazole-5(4H)-thione

2014 ◽  
Vol 70 (9) ◽  
pp. o1015-o1016
Author(s):  
Kamni ◽  
B. K. Sarojini ◽  
P. S. Manjula ◽  
B. Narayana ◽  
Sumati Anthal ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Triazole Ring ◽  
Dihedral Angles ◽  
Benzene Rings ◽  
Graph Set ◽  
Title Molecule

In the title molecule, C17H15ClN4S, the benzene rings form dihedral angles of 16.6 (1) and 77.2 (1)° with the triazole ring. The dihedral angle between the benzene rings is 86.6 (1)°. In the crystal, pairs of N—H...S hydrogen bonds form inversion dimers with graph-set notationR22(8). Weak C—H...S hydrogen bonds link these dimers into layers parallel to (100). Weak intramolecular C—H...S and C—H...N contacts are observed.

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

2012 ◽  
Vol 68 (4) ◽  
pp. o1023-o1023
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

In the title compound, C18H17ClN2O2, the benzene rings form dihedral angles of 6.69 (6) and 74.88 (5)° with the 4,5-dihydro-1H-pyrazole ring. The benzene rings form a dihedral angle of 76.67 (5)° with each other. In the crystal, molecules are linkedviabifurcated (C,C)–H...O hydrogen bonds into chains along [010]. The crystal structure is further consolidated by C—H...π interactions.

scholarly journals Crystal structure of 4-methoxy-N-phenylbenzamide

2014 ◽  
Vol 70 (9) ◽  
pp. o921-o921
Author(s):  
Zhijun Wang ◽  
Haiying Lei ◽  
Linhua Jin ◽  
Ruitao Zhu
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Methoxy Group ◽  
Amide Group ◽  
Dihedral Angles ◽  
Translational Symmetry ◽  
Benzene Rings ◽  
Title Molecule

In the title molecule, C14H13NO2, the dihedral angle between the planes of the benzene rings is 65.18 (4)°. The central amide group has about the same degree of twist with respect to both ring planes, as indicated by the dihedral angles of 34.70 (8) and 30.62 (8)° between its plane and that of the phenyl and 4-methoxybenzene rings, respectively. The C atom of the methoxy group is close to being coplanar with its attached ring [deviation = −0.112 (2) Å]. In the crystal, molecules are linked by inter-amide N—H...O hydrogen bonds, which generateC(4) chains propagating in the [100] direction. Adajcent molecules in the chain are related by translational symmetry.

scholarly journals Crystal structure of 1,1′-[selanediylbis(4,1-phenylene)]bis(2-chloroethan-1-one)

2015 ◽  
Vol 71 (12) ◽  
pp. o935-o936 ◽  
Author(s):  
Hazem Bouraoui ◽  
Ali Boudjada ◽  
Noudjoud Hamdouni ◽  
Youcef Mechehoud ◽  
Jean Meinnel
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Three Dimensional ◽  
Torsion Angles ◽  
Axis Direction ◽  
Π Interactions ◽  
Dimensional Network ◽  
Benzene Rings ◽  
Title Molecule

In the title molecule, C16H12Cl2O2Se, the C—Se—C angle is 100.05 (14)°, with the dihedral angle between the planes of the benzene rings being 69.92 (17)°. The average endocyclic angles (Se—Car—Car; ar = aromatic) facing the Se atom are 120.0 (3) and 119.4 (3)°. The Se atom is essentially coplanar with the benzene rings, with Se—Car—Car—Cartorsion angles of −179.2 (3) and −179.7 (3)°. In the crystal, molecules are linkedviaC—H...O hydrogen bonds forming chains propagating along thea-axis direction. The chains are linkedviaC—H...π interactions, forming a three-dimensional network.

scholarly journals 1-Methyl-4-[(E)-2-(3-hydroxy-4-methoxyphenyl)ethenyl]pyridinium 4-bromobenzenesulfonate monohydrate

2013 ◽  
Vol 69 (11) ◽  
pp. o1623-o1624 ◽  
Author(s):  
Suchada Chantrapromma ◽  
Pumsak Ruanwas ◽  
Boonwasana Jindawong ◽  
Hoong-Kun Fun
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Water Molecules ◽  
Π Interactions ◽  
Hydrated Salt ◽  
Benzene Rings ◽  
Methoxy Substituent

In the title hydrated salt, C15H16NO2+·C6H4BrO3S−·H2O, the cation exists in anEconformation with respect to the ethenyl bond and is almost planar, with a dihedral angle of 2.62 (12)° between the planes of the pyridinium and benzene rings. The methoxy substituent deviates slightly from the plane of its attached benzene ring [Cmethyl—O—C—C torsion angle = −11.6 (6)°]. In the crystal, the cations, anion and water molecules are linked together into chains along [010] by O—H...O hydrogen bonds and weak C—H...O interactions. There is a short Br...O contact [3.029 (2) Å]. The crystal structure also features C—H...π interactions involving the benzene ring of the anion.

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 3-(10-Chloro-9-anthryl)-5-[3-(prop-2-ynyloxy)phenoxymethyl]isoxazole

2009 ◽  
Vol 65 (6) ◽  
pp. o1401-o1401
Author(s):  
Juan Li ◽  
Hailing Xi ◽  
Jianming Zhang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Benzene Rings ◽  
Title Molecule ◽  
Centrosymmetric Dimers

In the title molecule, C27H18ClNO3, the anthracene mean plane forms dihedral angles of 67.43 (2) and 15.75 (3)° with the isoxazole and benzene rings, respectively. In the crystal structure, C—H...π interactions link molecules into centrosymmetric dimers, which are further linked by weak intermolecular C—H...N hydrogen bonds into ribbons propagating in the [110] direction.

scholarly journals Crystal structure of 1-(2-chloroacetyl)-2,6-bis(4-fluorophenyl)-3,3-dimethylpiperidin-4-one

2014 ◽  
Vol 70 (10) ◽  
pp. 262-264 ◽  
Author(s):  
S. Jothivel ◽  
Jibon Kotoky ◽  
S. Kabilan
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Three Dimensional ◽  
Piperidine Ring ◽  
Boat Conformation ◽  
Π Interactions ◽  
Dimensional Network ◽  
Benzene Rings ◽  
Title Molecule

In the title molecule, C21H20ClF2NO2, the piperidine ring adopts a slightly distorted boat conformation. The two benzene rings form a dihedral angle of 87.43 (1)°. A weak intramolecular C—H...π interaction is observed. In the crystal, weak C—H...O hydrogen bonds and weak C—H...π interactions connect the molecules, forming a three-dimensional network.

scholarly journals 6-[4-(Diphenylamino)phenyl]quinoline 1-oxide

2012 ◽  
Vol 68 (8) ◽  
pp. o2543-o2543
Author(s):  
Li-Zhi Wang ◽  
Yun Chi ◽  
Xiang-Xiang Li ◽  
Jian-Ning Guan
Keyword(s):  
Crystal Structure ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Dihedral Angles ◽  
Quinoline Ring ◽  
Π Interactions ◽  
Benzene Rings ◽  
The Mean ◽  
Title Molecule ◽  
Triphenylamine Derivative

In the title molecule, C27H20N2O, a triphenylamine derivative of quinoline, the three benzene rings linked through an N atom form a propeller shape, with dihedral angles between the mean planes of pairs of rings of 75.57 (9), 55.68 (9) and 83.66 (9)°. The quinoline ring is essentially planar, with an r.m.s. deviation of the fitted atoms of 0.0155 Å, and forms a dihedral angle of 33.52 (8)° with the benzene ring to which it is bonded. Weak C—H...π interactions are also observed in the crystal structure.

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