scholarly journals N′-[(E)-4-Methoxybenzylidene]-2-(4-methylphenoxy)acetohydrazide

IUCrData ◽  
2016 ◽  
Vol 1 (11) ◽  
Author(s):  
Seranthimata Samshuddin ◽  
S. Naveen ◽  
Dandavathi Arunkumar ◽  
A. Mahesha ◽  
N. K. Lokanath ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules

The title compound, C17H18N2O3, crystallizes with two independent molecules (AandB) in the asymmetric unit. The dihedral angle between the 4-methoxyphenyl ring and the toluene ring is 88.13 (10)° in moleculeAand 61.47 (10)° in moleculeB. In the crystal, molecules are linkedviapairs of N—H...O hydrogen bonds, formingA–AandB–Binversion dimers withR22(8) ring motifs. TheB–Bdimers are linked by C—H...O hydrogen bonds, forming chains propagating along the [110] direction. The molecules are also linked by a series of C—H...π interactions, forming a three-dimensional structure.

scholarly journals 1-(Furan-2-yl)-2-(2H-indazol-2-yl)ethanone

2014 ◽  
Vol 70 (4) ◽  
pp. o505-o505 ◽  
Author(s):  
Özden Özel Güven ◽  
Gökhan Türk ◽  
Philip D. F. Adler ◽  
Simon J. Coles ◽  
Tuncer Hökelek
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Independent Molecules

The asymmetric unit of the title compound, C13H10N2O2, contains two crystallographically independent molecules (AandB). The indazole ring systems are approximately planar [maximum deviations = 0.0037 (15) and −0.0198 (15) Å], and their mean planes are oriented at 80.10 (5) and 65.97 (4)° with respect to the furan rings in moleculesAandB, respectively. In the crystal, pairs of C—H...N hydrogen bonds link theBmolecules, forming inversion dimers. These dimers are bridged by theAmoleculesviaC—H...O hydrogen bonds, forming sheets parallel to (011). There are also C—H...π interactions present, and π–π interactions between neighbouring furan and the indazole rings [centroid–centroid distance = 3.8708 (9) Å] of inversion-related molecules, forming a three-dimensional structure.

scholarly journals 1-Acetyl-5-methoxy-4-(phenylsulfanyl)imidazolidin-2-one

2014 ◽  
Vol 70 (2) ◽  
pp. o145-o146
Author(s):  
Joel T. Mague ◽  
Alaa A.-M. Abdel-Aziz ◽  
Adel S. El-Azab ◽  
Amer M. Alanazi
Keyword(s):  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Two Dimensional ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules

The title compound, C12H14N2O3S, crystallizes with two independent molecules (AandB) in the asymmetric unit. The five-membered imidazolidin-2-one rings in both molecules are twisted about the C—C bond. In the crystal, theAandBmolecules are associatedviapairs of N—H...O hydrogen bonds, formingA–Bdimers. These dimers are linkedviaC—H...S hydrogen bonds, forming double dimers, which are in turn linkedviaC—H...O hydrogen bonds forming two-dimensional networks lying parallel to (001). There are also C—H...π interactions present, which consolide the layers and link them, so forming a three-dimensional structure.

scholarly journals Crystal structure ofN-(quinolin-6-yl)hydroxylamine

2014 ◽  
Vol 70 (11) ◽  
pp. 322-324 ◽  
Author(s):  
Anuruddha Rajapakse ◽  
Roman Hillebrand ◽  
Sarah M. Lewis ◽  
Zachary D. Parsons ◽  
Charles L. Barnes ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules ◽  
A Minor

The title compound, C9H8N2O, crystallized with four independent molecules in the asymmetric unit. The four molecules are linkedviaone O—H...N and two N—H...N hydrogen bonds, forming a tetramer-like unit. In the crystal, molecules are further linked by O—H...N and N—H...O hydrogen bonds forming layers parallel to (001). These layers are linkedviaC—H...O hydrogen bonds and a number of weak C—H...π interactions, forming a three-dimensional structure. The crystal was refined as a non-merohedral twin with a minor twin component of 0.319.

scholarly journals 4-Ethynyl-N,N-diphenylaniline

2013 ◽  
Vol 69 (11) ◽  
pp. o1722-o1722
Author(s):  
Wan-Qiang Wang
Keyword(s):  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Planar Geometry ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules

The asymmetric unit of the title compound, C20H15N, comprises two crystallographically independent molecules (AandB). In each molecule, the N atom adopts an approximately trigonal planar geometry, lying 0.009 (1) or 0.003 (1) Å from the plane defined by the C atoms of the aromatic substituents to which it is attached. In the crystal, molecules are linkedviaC—H...π interactions, forming a three-dimensional structure.

scholarly journals Crystal structure of 3,13-dimethoxy-5,6,10,11-tetrahydrofuro[3,4-i][5]helicene-7,9-dione

2014 ◽  
Vol 70 (11) ◽  
pp. 418-420 ◽  
Author(s):  
Thanasat Sooksimuang ◽  
Siriporn Kamtonwong ◽  
Waraporn Parnchan ◽  
Laongdao Kangkaew ◽  
Somboon Sahasithiwat
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Layered Structure ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Compound C ◽  
Independent Molecules

The title compound, C26H20O5, crystallizes with two independent molecules (AandB) in the asymmetric unit, which differ primarily in the location of the –OCH3groups. In the crystal, the molecules form a layered structure parallel to (10-1) by C—H...O hydrogen-bonded networks. Adjacent layers are also linked by further C—H...O hydrogen bonds, forming a three-dimensional structure.

scholarly journals Crystal structure of 2-methyl-4-[(thiophen-2-yl)methylidene]-1,3-oxazol-5(4H)-one

2015 ◽  
Vol 71 (2) ◽  
pp. o123-o124 ◽  
Author(s):  
Preetika Sharma ◽  
K. N. Subbulakshmi ◽  
B. Narayana ◽  
K. Byrappa ◽  
Rajni Kant
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Π Interactions ◽  
Compound C ◽  
Independent Molecules ◽  
The Individual

The asymmetric unit of the title compound, C9H7NO2S, contains two crystallographically independent molecules (AandB). Both molecules are almost planar [maximum deviations = 0.047 (1) and 0.090 (1) Å, respectively, for the S atoms] with the oxazole and thiophene rings being inclined to one another by 2.65 (16)° in moleculeAand by 4.55 (15)° in moleculeB. In the crystal, the individual molecules are linkedviaC—H...O hydrogen bonds, forming –A–B–A–B– chains along the [10-1] direction. The chains are linkedviaC—H...π and π–π interactions [intercentroid distances = 3.767 (2) and 3.867 (2) Å] involving inversion-related oxazole and thiophene rings in both molecules, forming a three-dimensional structure.

scholarly journals 5-Chloro-2-(2-fluorophenyl)-7-methyl-3-methylsulfinyl-1-benzofuran

2014 ◽  
Vol 70 (6) ◽  
pp. o706-o706
Author(s):  
Hong Dae Choi ◽  
Uk Lee
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C ◽  
The Mean

In the title compound, C16H12ClFO2S, the dihedral angle between the mean planes of the benzofuran and 2-fluorophenyl rings is 34.85 (6)°. In the crystal, molecules are linkedviapairs of C—H...O hydrogen bonds, forming zigzag chains along [001]. The chains are linked by C—H...π interactions, forming a three-dimensional structure.

scholarly journals Crystal structure of 4-(3,4-dicyanophenoxy)-N-[3-(dimethylamino)propyl]benzamide monohydrate: a phenoxyphthalonitrile derivative

2015 ◽  
Vol 71 (9) ◽  
pp. 1042-1044
Author(s):  
Senem Çolak ◽  
Salih Zeki Yıldız ◽  
Nagihan Çaylak Delibaş ◽  
Hasan Pişkin ◽  
Tuncer Hökelek
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Extended Conformation ◽  
Compound C

In the title compound, C20H20N4O2·H2O, the planes of the phenoxy and phthalonitrile rings are oriented at a dihedral angle of 60.39 (5)°. The 3-(dimethylamino)propyl chain has an extended conformation and isciswith respect to the phthalonitrile ring. In the crystal, O—H...O, O—H...N and N—H...O hydrogen bonds link the molecules to form slabs parallel to (100). There are also C—H...O and C—H...N hydrogen bonds and C—H...π interactions present within the slabs. The slabs are linked by a pair of inversion-related C—H...N hydrogen bonds, involving phthalonitrile rings, forming a three-dimensional structure.

scholarly journals (Z)-3-Butyl-5-(4-nitrobenzylidene)thiazolidine-2,4-dione

IUCrData ◽  
2019 ◽  
Vol 4 (1) ◽  
Author(s):  
Md. Serajul Haque Faizi ◽  
Mohammad Nadeem Lone ◽  
Necmi Dege ◽  
Turganbay Iskenderov ◽  
Sergey Malinkin
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Three Dimensional Structure ◽  
Π Interactions ◽  
Compound C

In the title compound, C14H14N2O4S, the benzene and thiazolidine rings are almost coplanar with a dihedral angle of 2.98 (14)°. The butyl chain is directed almost perpendicular to the plane of the rest of the molecule. In the crystal, a combination of C—H...O hydrogen bonds and offset π–π interactions leads to the formation of a three-dimensional structure.

scholarly journals Crystal structure of 1-(5-amino-2H-tetrazol-2-yl)-2-methylpropan-2-ol

2015 ◽  
Vol 71 (12) ◽  
pp. o1057-o1058 ◽  
Author(s):  
Hyun Sik Park ◽  
Ji Yeon Ryu ◽  
Junseong Lee
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Asymmetric Unit ◽  
Three Dimensional Structure ◽  
Compound C ◽  
Independent Molecules

The title compound, C5H11N5O, crystallized with two independent molecules in the asymmetric unit. The two molecules differ in the orientation of the 2-methylpropan-2-ol unit, with the hydroxy H atoms pointing in opposite directions. In the crystal, molecules are linkedviaO—H...O and N—H...O hydrogen bonds, forming ribbons propagating along [10-1]. The ribbons are linkedviaN—H...N hydrogen bonds, forming a three-dimensional structure.

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