scholarly journals Crystal structure of (E)-N-phenyl-N′-[1-(thiophen-2-yl)ethylidene]formohydrazide

2014 ◽  
Vol 70 (9) ◽  
pp. o928-o929
Author(s):  
C. S. Dileep ◽  
K. R. Raghavendra ◽  
N. K. Lokanath ◽  
K. Ajay Kumar ◽  
M. A. Sridhar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Helical Chain ◽  
Axis Direction ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C13H12N2OS, the planes of the thiophene and phenyl rings are nearly perpendicular to each other, making a dihedral angle of 86.42 (12)°. In the crystal, molecules are linked by C—H...O hydrogen bonds, forming a helical chain along theb-axis direction.

scholarly journals Crystal structure of fenclorim

2015 ◽  
Vol 71 (10) ◽  
pp. o714-o714 ◽  
Author(s):  
Eunjin Kwon ◽  
Jineun Kim ◽  
Gihaeng Kang ◽  
Tae Ho Kim
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Axis Direction ◽  
Herbicide Safener ◽  
Compound C ◽  
Dimensional Network ◽  
Phenyl Rings

In the title compound, C10H6Cl2N2(systematic name: 4,6-dichloro-2-phenylpyrimidine), which is used commercially as the herbicide safener, fenclorim, the dihedral angle between the dichloropyrimidyl and phenyl rings is 9.45 (10)°. In the crystal, C—H...N hydrogen bonds link adjacent molecules, forming chains along thec-axis direction. In addition, weak intermolecular C—Cl...π [3.6185 (10) Å] and π–π [3.8796 (11) Å] interactions are present, forming a three-dimensional network.

scholarly journals Crystal structure of 5,10,15-triphenyl-20-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)porphyrin

2014 ◽  
Vol 70 (10) ◽  
pp. o1085-o1086
Author(s):  
Mathias O. Senge ◽  
Hans-Georg Eckhardt
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Central Region ◽  
Title Compound ◽  
Ring System ◽  
Compound C ◽  
Porphyrin Macrocycle ◽  
Phenyl Rings ◽  
Supramolecular Chains

In the title compound, C44H37BN4O2, the dihedral angle between the plane of the porphyrin macrocycle ring system [r.m.s. deviation = 0.159 (1) Å] and those of three phenyl rings are 66.11 (4), 74.75 (4) and 57.00 (4)°. The conformational distortion is characterized by a mixture of ruffled, saddle and in-plane distortion modes. In the crystal, the porphyrin molecules are linked by C—H...π interactions into supramolecular chains running along thea-axis direction. A pair of bifurcated N—H...(N,N) hydrogen bonds occur across the central region of the macrocycle.

scholarly journals 4-Chloro-1-[2-(2-chlorophenyl)ethyl]-2-nitrobenzene

IUCrData ◽  
2016 ◽  
Vol 1 (7) ◽  
Author(s):  
H. S. Yeshwanthkumar ◽  
P. Nagendra ◽  
B. P. Siddaraju ◽  
K. C. Chaluvaraju ◽  
K. Byrappa ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Nitro Group ◽  
Dihedral Angle ◽  
Title Compound ◽  
Π Interactions ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C14H11Cl2NO2, the dihedral angle between the phenyl rings is 8.60 (17)° and the nitro group makes a dihedral anle of 29.4 (4)° with its attached ring. The crystal structure features C—H...O hydrogen bonds and π–π interactions.

scholarly journals Crystal structure of tolylfluanid

2014 ◽  
Vol 70 (10) ◽  
pp. o1114-o1115
Author(s):  
Seonghwa Cho ◽  
Jineun Kim ◽  
Gihaeng Kang ◽  
Tae Ho Kim
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Dimethylamino Group ◽  
Axis Direction ◽  
Compound C ◽  
The Mean ◽  
Cl Atom

The title compound, C10H13Cl2FN2O2S2{systematic name:N-[(dichlorofluoromethyl)sulfanyl]-N′,N′-dimethyl-N-p-tolylsulfamide}, is a well known fungicide. The dihedral angle between the mean plane of the dimethylamino group and that of the benzene ring is 32.3 (3)°. One Cl atom and one F atom of the dichlorofluoromethylthio group are disordered over two sets of sites with an occupancy ratio of 0.605 (9):0.395 (9). In the crystal structure, two C—H...Cl hydrogen bonds link adjacent molecules, forming dimers withR22(14) loops. C—H...O hydrogen bonds link pairs of dimers into chains along theb-axis direction. These chains are joined by an additional C—H...O contact, generating a sheet in theabplane.

scholarly journals Crystal structure of phenyl(pyridin-2-yl)methanol

2014 ◽  
Vol 70 (9) ◽  
pp. o947-o947 ◽  
Author(s):  
Haneol Kim ◽  
Sung Kwon Kang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Title Compound ◽  
Axis Direction ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C12H11NO, the pyridine and phenyl rings are inclined to each other by 71.42 (10)°. In the crystal, O—H...N hydrogen bonds link the molecules into helical chains extending along thec-axis direction.

scholarly journals Crystal structure of (E)-furan-2-carbaldehydeO-benzoyloxime

2017 ◽  
Vol 73 (9) ◽  
pp. 1326-1328
Author(s):  
Yousef M. Hijji ◽  
Rajeesha Rajan ◽  
Said Mansour ◽  
Hamdi Ben Yahia
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Twist Angle ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
And Inversion

In the title compound, C12H9NO3, the benzoate and furan rings are almost coplanar, making a dihedral angle of 11.68 (9)°. The twist angle between the –COO group and the benzene ring is only 2.79 (16)°. In the crystal, molecules are linked by C—H...O hydrogen bonds, forming chains along [100]. The molecules stack in a herringbone fashion and inversion-related chains are linked by offset π–π interactions [intercentroid distance = 3.931 (1) Å], forming ribbons propagating along thea-axis direction.

scholarly journals Crystal structure of 4-(4b,8a-dihydro-9H-pyrido[3,4-b]indol-1-yl)-7-methyl-2H-chromen-2-one

2017 ◽  
Vol 73 (1) ◽  
pp. 56-58 ◽  
Author(s):  
S. Samundeeswari ◽  
Manohar V. Kulkarni ◽  
G. N. Anil Kumar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Ring Systems ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
The Mean

The title compound, C21H14N2O2, was prepared by Pictet–Spengler cyclization of tryptamine and 4-formyl coumarin. In the molecule, the dihedral angle between the mean planes of the coumarin and β-carboline ring systems is 63.8 (2)°. In the crystal, molecules are linkedviaN—H...N hydrogen bonds, forming chains along theb-axis direction. Within the chains, there are a number of offset π–π interactions present [shortest intercentroid distance = 3.457 (2) Å].

scholarly journals Crystal structure of (2-methyl-1-phenylsulfonyl-1H-indol-3-yl)(phenyl)methanone

2015 ◽  
Vol 71 (2) ◽  
pp. 133-135 ◽  
Author(s):  
M. Umadevi ◽  
V. Saravanan ◽  
R. Yamuna ◽  
A. K. Mohanakrishnan ◽  
G. Chakkaravarthi
Keyword(s):  
Crystal Structure ◽  
Dihedral Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Ring System ◽  
Helical Chain ◽  
Indole Ring ◽  
Tetrahedral Configuration ◽  
Compound C ◽  
Phenyl Rings

In the title compound, C22H17NO3S, the sulfonyl-bound phenyl ring is almost orthogonal to the indole ring system, making a dihedral angle of 84.89 (7)°. The carbonyl-bound phenyl ring forms a dihedral angle of 57.32 (5)° with the indole ring system. The two phenyl rings are inclined at 52.68 (7)°. The S atom has a distorted tetrahedral configuration. In the crystal, weak C—H...O interactions link the molecules, forming a helical chain along theb-axis direction.

scholarly journals Crystal structure of (E)-N′-(3-fluoro-2-hydroxybenzylidene)isonicotinohydrazide

2017 ◽  
Vol 73 (8) ◽  
pp. 1151-1153
Author(s):  
Suwadee Jiajaroen ◽  
Kittipong Chainok ◽  
Filip Kielar
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Axis Direction ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Ring Motif

In the title compound, C13H10FN3O2, the molecule has an E conformation with respect to the C=N bond of the hydrazone bridge. The dihedral angle between the isonicotinoyl and fluorophenol moieties is 4.03 (4)°, and an intramolecular O—H...N hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked by N—H...N and C—H...N hydrogen bonds, forming chains propagating along the a-axis direction. The chains are linked by C—H...O hydrogen bonds, resulting in the formation of layers lying parallel to the ab plane. The crystal structure also features π–π interactions [centroid-to-centroid distance = 3.6887 (8) Å].

N-(2-Pyridylcarbonyl)benzamide

2007 ◽  
Vol 63 (3) ◽  
pp. o1455-o1456 ◽  
Author(s):  
Gilles Gasser ◽  
Helen Stoeckli-Evans
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Polymer Chain ◽  
Title Compound ◽  
Phenyl Ring ◽  
Pyridine Ring ◽  
Axis Direction ◽  
Compound C ◽  
Phenyl Rings

The title compound, C13H10N2O2, has a Z,Z (trans–trans) arrangement of the central CONHCO group and an intramolecular N—H...N hydrogen bond. The molecule has a twisted conformation; the pyridine ring, which is almost parallel to the plane of the amide function at position 2, is inclined to the phenyl ring by 50.05 (6)°. In the crystal structure, symmetry-related molecules are linked by C—H...O hydrogen bonds, forming a zigzag polymer chain extending in the a-axis direction. The chains are linked by a C—H...π interaction involving phenyl rings of adjacent chains. There is also a π–π interaction involving pyridine rings related by a center of symmetry.

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