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 Crystal structure of (2E)-1-(4-hydroxy-3-methoxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one

2014 ◽  
Vol 70 (11) ◽  
pp. o1158-o1159 ◽  
Author(s):  
S. Sathya ◽  
D. Reuben Jonathan ◽  
K. Prathebha ◽  
J. Jovita ◽  
G. Usha
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Methoxy Group ◽  
Three Dimensional ◽  
Dimensional Network ◽  
Two Component ◽  
Benzene Rings

In the title moleclue, C16H14O4, the dihedral angle between the benzene rings is 16.1 (3)°. The methoxy group is essentially coplanar with the benzene ring to which it is attached, with a C—O—C...;C torsion angle of 5.5 (9)°. In the crystal, molecules are linked by O—H...O and bifurcated O—H...(O,O) hydrogen bonds, forming a three-dimensional network. The structure was refined as a two-component inversion twin.

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 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 (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.

scholarly journals Crystal structure of 5-[(4-carboxybenzyl)oxy]isophthalic acid

2016 ◽  
Vol 72 (8) ◽  
pp. 1219-1222
Author(s):  
Md. Serajul Haque Faizi ◽  
Musheer Ahmad ◽  
Akram Ali ◽  
Vadim A. Potaskalov
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Molecular Shape ◽  
Isophthalic Acid ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

The molecular shape of the title compound, C16H12O7, is bent around the central CH2—O bond. The two benzene rings are almost perpendicular to one another, making a dihedral angle of 87.78 (7)°. In the crystal, each molecule is linked to three others by three pairs of O—H...O hydrogen bonds, forming undulating sheets parallel to thebcplane and enclosingR22(8) ring motifs. The sheets are linked by C—H...O hydrogen bonds and C—H...π interactions, forming a three-dimensional network.

scholarly journals (E)-N′-(4-Isopropylbenzylidene)isonicotinohydrazide monohydrate

2012 ◽  
Vol 68 (4) ◽  
pp. o1002-o1002 ◽  
Author(s):  
Mashooq A. Bhat ◽  
Hatem A. Abdel-Aziz ◽  
Hazem A. Ghabbour ◽  
Madhukar Hemamalini ◽  
Hoong-Kun Fun
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

In the title compound, C16H17N3O·H2O, the isonicotinohydrazide molecule adopts anEconformation about the central C=N double bond. The dihedral angle between the pyridine and the benzene rings is 54.56 (15)°. In the crystal, molecules are connectedviaN—H...O, O—H...N and O—H...O hydrogen bonds, forming a three-dimensional network.

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 2-[(E)-2-(4-Hydroxy-3-methoxyphenyl)ethenyl]-1-methylpyridinium 4-bromobenzenesulfonate monohydrate

2013 ◽  
Vol 69 (12) ◽  
pp. o1851-o1852
Author(s):  
Suchada Chantrapromma ◽  
Nawong Boonnak ◽  
Boonwasana Jindawong ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Three Dimensional ◽  
Water Molecules ◽  
Π Interactions ◽  
Dimensional Network ◽  
Benzene Rings

The title salt crystallized as the monohydrate C15H16NO2+·C6H4BrSO3−·H2O. The cation exists in anEconformation with respect to the ethynyl bond and is essentially planar, with a dihedral angle of 6.52 (14)° between the pyridinium and the benzene rings. The hydroxy and methoxy substituents are coplanar with the benzene ring to which they are attached, with an r.m.s. deviation of 0.0116 (3) Å for the nine non-H atoms [Cmethyl—O—C—C torsion angle = −0.8 (4)°]. In the crystal, the cations and anions are stacked by π–π interactions, with centroid–centroid distances of 3.7818 (19) and 3.9004 (17) Å. The cations, anions and water molecules are linked by O—H...O hydrogen bonds and weak C—H...O interactions, forming 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 tert-Butyl 3-amino-5-bromo-1H-indazole-1-carboxylate

IUCrData ◽  
2021 ◽  
Vol 6 (7) ◽  
Author(s):  
Aravazhi Amalan Thiruvalluvar ◽  
Raviraj Kusanur ◽  
Makuteswaran Sridharan
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Stacking Interactions ◽  
Tert Butyl ◽  
Compound C ◽  
Π Stacking ◽  
Dimensional Network ◽  
Benzene Rings

In the title compound, C12H14BrN3O2, the pyrazole and benzene rings are nearly co-planar with a dihedral angle between the rings of 2.36 (5)°. In the crystal, inversion dimers linked by pairwise N—H...N hydrogen bonds generate R 2 2(8) loops. The dimers are linked into a three-dimensional network by weak aromatic π–π stacking interactions [centroid–centroid separation = 3.7394 (6) Å] and C—H...O and C—H...Br hydrogen bonds.

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