scholarly journals 1-Methyl-3-phenylthiourea

2014 ◽  
Vol 70 (5) ◽  
pp. o528-o528
Author(s):  
Hou-xiang Su
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Isothiocyanate ◽  
Compound C

The title compound, C8H10N2S, was prepared by reaction of methylamine solution, KOH and phenyl-isothiocyanate in ethanol. It adopts asyn-Me andanti-Ph conformation relative to the C=S double bond. The dihedral angle between the N—C(=S)—N thiourea and phenyl planes is 67.83 (6)°. In the crystal, the molecules centrosymmetrical dimers by pairs of N(Ph)—H...S hydrogen bonds. The dimers are linked by N(Me)—H...S hydrogen bonds into layers parallel to (100).

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 (E)-2-(2-Hydroxy-3-methylbenzylidene)-N-methylhydrazine-1-carbothioamide: supramolecular assemblies in two-dimensions mediated by N—H...S and C—H...π interactions

2019 ◽  
Vol 75 (5) ◽  
pp. 571-575
Author(s):  
Md. Azharul Arafath ◽  
Huey Chong Kwong ◽  
Farook Adam
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Two Dimensions ◽  
Supramolecular Assemblies ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C

In the title compound, C10H13N3OS, the azomethine C=N double bond has an E configuration. The phenyl ring and methylhydrazine carbothioamide moiety [maximum deviation = 0.008 (2) Å] are twisted slightly with a dihedral angle of 14.88 (10)°. In the crystal, molecules are linked into sheets parallel to the ab plane via N—H...S hydrogen bonds and C—H...π interactions.

(E)-N′-(3-Bromobenzylidene)isonicotinohydrazide

2006 ◽  
Vol 62 (7) ◽  
pp. o2687-o2688 ◽  
Author(s):  
Xiao-Yang Qiu ◽  
Xiao-Niu Fang ◽  
Sen-Lin Yang ◽  
Wei-Sheng Liu ◽  
Hai-Liang Zhu
Keyword(s):  
Crystal Structure ◽  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Compound C

The title compound, C13H10BrN3O, is roughly planar and displays a trans configuration with respect to the C=N double bond. The dihedral angle between the benzene and pyridine rings is 4.2 (3)°. The crystal structure is stabilized by intermolecular N—H...N hydrogen bonds.

(E)-N′-(3-Chlorobenzylidene)isonicotinohydrazide

2006 ◽  
Vol 62 (7) ◽  
pp. o2685-o2686 ◽  
Author(s):  
Xiao-Yang Qiu ◽  
Xiao-Niu Fang ◽  
Wei-Sheng Liu ◽  
Hai-Liang Zhu
Keyword(s):  
Crystal Structure ◽  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Compound C

The molecule of the title compound, C13H9ClN3O, is roughly planar and displays a trans configuration with respect to the C=N double bond. The dihedral angle between the benzene and pyridine rings is 4.8 (3)°. The crystal structure is stabilized by intermolecular N—H...N hydrogen bonds.

scholarly journals (E)-2-[2-(4-Chlorobenzylidene)hydrazinyl]-4-[3-(morpholin-4-ium-4-yl)propylamino]quinazolin-1-ium bis(perchlorate)

2012 ◽  
Vol 68 (6) ◽  
pp. o1819-o1819
Author(s):  
Nan Jiang ◽  
Jian Zuo ◽  
Wenmin Zhu ◽  
Xinjie Zhao ◽  
Xin Zhai
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Compound C

In the title compound, C22H27ClN6O2 2+·2ClO4 −, the molecule adopts an E conformation about the C=N double bond. The quinazoline ring is approximately planar, with an r.m.s. deviation of 0.0432 Å, and forms a dihedral angle of 5.77 (4)° with the chlorophenyl ring. The crystal packing features N—H...O hydrogen bonds.

scholarly journals (E)-3-Chloro-N′-(2-fluorobenzylidene)thiophene-2-carbohydrazide

2014 ◽  
Vol 70 (7) ◽  
pp. o751-o751 ◽  
Author(s):  
Sadia Sultan ◽  
Muhammad Taha ◽  
Syed Adnan Ali Shah ◽  
Bohari M. Yamin ◽  
Hamizah Mohd Zaki
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Bond Length ◽  
Dihedral Angle ◽  
Title Compound ◽  
Compound C ◽  
Hydrazide Derivative ◽  
Molecular Skeleton

The title compound, C12H8ClFN2OS, is a hydrazide derivative adopting anEconformation with an azomethine N=C double bond length of 1.272 (2) Å. The molecular skeleton is approximately planar; the terminal five- and six-membered rings form a dihedral angle of 5.47 (9)°. In the crystal, molecules are linked by N—H...O and C—H...O hydrogen bonds into zigzag chains propagating in [100].

scholarly journals (E)-1-(5-Chlorothiophen-2-yl)-3-(2,4-dimethylphenyl)prop-2-en-1-one

IUCrData ◽  
2016 ◽  
Vol 1 (12) ◽  
Author(s):  
S. Naveen ◽  
M. G. Prabhudeva ◽  
K. Ajay Kumar ◽  
N. K. Lokanath ◽  
Muneer Abdoh
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Compound C ◽  
Phenyl Rings ◽  
Olefinic Double Bond

In the title compound, C15H13ClOS, the olefinic double bond adopts anEconfiguration. The molecule is nearly planar, as seen by the dihedral angle of 9.07 (8)° between the thiophene and phenyl rings. Thetransconfiguration of the C=C double bond in the central enone group is confirmed by the C—C=C—C torsion angle of 177.6 (2)°. In the crystal, molecules are linked by weak C—H...O and C—H...S hydrogen bonds, forming chains propagating along thecaxis.

scholarly journals Ethyl 2-[(E)-({2,4-dimethoxy-6-[2-(4-methoxyphenyl)ethenyl]benzylidene}amino)oxy]acetate

IUCrData ◽  
2021 ◽  
Vol 6 (9) ◽  
Author(s):  
Jiha Sung
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Axis Direction ◽  
Compound C ◽  
Benzene Rings

In the title compound, C22H25NO6, the C=C double bond linking the benzene rings adopts an E configuration and the dihedral angle between the rings is 47.1 (2)°. The oxime unit contains a C=N double bond, which also has an E configuration. In the crystal, pairs of C—H...N hydrogen bonds generate inversion dimers and weak C—H...O interactions link the dimers into chains propagating along the b-axis direction.

scholarly journals An orthorhombic polymorph of (E)-1-(benzo[d][1,3]dioxol-5-yl)-3-(2,3-dichlorophenyl)prop-2-en-1-one

IUCrData ◽  
2017 ◽  
Vol 2 (11) ◽  
Author(s):  
S. Naveen ◽  
A. Dileep Kumar ◽  
M. V. Deepa Urs ◽  
K. Ajay Kumar ◽  
N. K. Lokanath ◽  
...  
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Carbonyl Group ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring System ◽  
Ring Plane ◽  
Compound C ◽  
Olefinic Double Bond ◽  
A Chain

The title compound, C16H10Cl2O3, is almost planar with a dihedral angle of 0.14 (16)° between the benzodioxole ring system and the dichlorobenzene ring that are bridged by the olefinic double bond. The corresponding value reported for the monoclinic polymorph is [5.57 (9)° (Lokeshwariet al.(2017).IUCrData,2, x170103). The carbonyl group lies almost in the plane of the olefinic double bond and is twisted slightly from the benzodioxole ring plane. In the crystal, the molecules are linked by weak C—H...O and C—H...Cl hydrogen bonds, forming a chain propagating along theb-axis direction.

scholarly journals (E)-1-(1,3-Benzodioxol-5-yl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one

IUCrData ◽  
2017 ◽  
Vol 2 (1) ◽  
Author(s):  
V. M. Sunitha ◽  
S. Naveen ◽  
A. Dileep Kumar ◽  
K. Ajay Kumar ◽  
N. K. Lokanath ◽  
...  
Keyword(s):  
Double Bond ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Compound C

The molecule of the title compound C19H18O6, adopts anEconformation about the C=C double bond and the C—C=C—C torsion angle is −179.30 (16)°. The molecule is nearly planar, as indicated by the dihedral angle of 6.99 (6)° between the benzene ring and the benzodioxalane ring. In the crystal, molecules are linkedviaweak C—H...O hydrogen bonds, forming zigzag chains propagating along thebaxis.

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