scholarly journals 4,6-Di-tert-butyl-2-({[4-(diethylamino)phenyl]imino}methyl)phenol

IUCrData ◽  
2017 ◽  
Vol 2 (4) ◽  
Author(s):  
C. Vidya Rani ◽  
L. Mitu ◽  
G. Chakkaravarthi ◽  
G. Rajagopal
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Minor Components ◽  
Aromatic Rings ◽  
Π Interactions ◽  
Compound C ◽  
Diethylamino Group

The title compound, C25H36N2O, adopts anEconformation about the C=N bond. The dihedral angle between the aromatic rings is 35.6 (6)°. The molecular structure is stabilized by an O—H...N hydrogen bond, which forms anS(6) loop, and weak C—H...O contacts. Weak intermolecular C—H...π interactions are observed in the crystal packing. The diethylamino group has rotational disorder with site occupancies of 0.85 (2) and 0.15 (2) for the major and minor components, respectively. The structure was refined as a three-component twin.

scholarly journals N′-(3-Hydroxybenzylidene)-4-methylbenzohydrazide

2012 ◽  
Vol 68 (6) ◽  
pp. o1816-o1816
Author(s):  
Ji-Lai Liu ◽  
Ming-Hui Sun ◽  
Jing-Jun Ma
Keyword(s):  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Aromatic Rings ◽  
Π Interactions ◽  
Compound C ◽  
Centroid Distance ◽  
Benzene Rings

The title compound, C15H14N2O2, was obtained from the reaction of 3-hydroxybenzaldhyde and 4-methylbenzohydrazide in methanol. In the molecule, the benzene rings form a dihedral angle of 2.9 (3)°. In the crystal, N—H...O and O—H...O hydrogen bonds link the molecules into layers parallel to (101). The crystal packing also exhibits π–π interactions between the aromatic rings [centroid–centroid distance = 3.686 (4) Å].

scholarly journals 2-(4,5-Dimethoxy-2-nitrophenyl)-4-methoxy-9-phenylsulfonyl-9H-carbazole-3-carbaldehyde

2014 ◽  
Vol 70 (4) ◽  
pp. o424-o425 ◽  
Author(s):  
P. Narayanan ◽  
K. Sethusankar ◽  
Velu Saravanan ◽  
Arasambattu K. Mohanakrishnan
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Ring System ◽  
Maximum Deviation ◽  
Π Interactions ◽  
Compound C ◽  
Ring Motif

In the title compound, C28H22N2O8S, the carbazole ring system is roughly planar, with a maximum deviation of 0.084 (3) Å for the C atom connected to the 4,5-dimethoxy-2-nitrophenyl ring. The dihedral angle between the carbazole system and the dimethoxy-substituted nitrophenyl ring is 57.05 (10)°. The aldehyde C atom deviates by 0.164 (5) Å from its attached carbazole ring system. The molecular structure is stabilized by C—H...O interactions which generate twoS(6) and oneS(7) ring motif. In the crystal, molecules are linked by C—H...O hydrogen bonds, formingR33(15) ring motifs, which are further crosslinked byR32(19) ring motifs, resulting in (002) layers. The crystal packing also features C—H...π interactions.

scholarly journals Crystal structure of 4-chloro-2-{(E)-[(3,4-dimethylphenyl)imino]methyl}phenol

2015 ◽  
Vol 71 (6) ◽  
pp. o416-o416 ◽  
Author(s):  
Muhammad Salim ◽  
Muhammad Nawaz Tahir ◽  
Munawar Ali Munawar ◽  
Muhammad Shahid ◽  
Hazoor Ahmad Shad
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Acta Cryst ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

In the title compound, C15H14ClNO, which is isostructural with its bromo analogue [Tahiret al.(2012).Acta Cryst., E68, o2730], the dihedral angle between the planes of the aromatic rings is 2.71 (7)° and an intramolecular O—H...N hydrogen bond closes anS(6) ring. In the crystal, extremely weak C—H...π interactions link the molecules into a three-dimensional network.

scholarly journals Ethyl 3-[7-ethoxy-6-(4-methoxybenzenesulfonamido)-2H-indazol-2-yl]propanoate

2012 ◽  
Vol 68 (4) ◽  
pp. o931-o931 ◽  
Author(s):  
Najat Abbassi ◽  
Bassou Oulemda ◽  
El Mostapha Rakib ◽  
Detlef Geffken ◽  
Hafid Zouihri
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Two Dimensional ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network ◽  
Centroid Distance

In the title compound, C21H25N3O6S, the dihedral angle between the methoxybenzene and indazole rings is 74.96 (5)°. The crystal packing is stabilized by an N—H...O hydrogen bond into a two-dimensional network. In addition, C—H...π interactions and a π–π contact, with a centroid–centroid distance of 3.5333 (6) Å, are observed. The crystal packing is stabilized by N—H...O and C—H...O hydrogen bonds.

scholarly journals (2E)-1-(2-Thienyl)-3-(2,3,5-trichlorophenyl)prop-2-en-1-one

2007 ◽  
Vol 63 (11) ◽  
pp. o4422-o4423 ◽  
Author(s):  
B. Narayana ◽  
K. Mustafa ◽  
B. K. Sarojini ◽  
H. S. Yathirajan ◽  
Michael Bolte
Keyword(s):  
Hydrogen Bond ◽  
Double Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Geometric Parameters ◽  
Aromatic Rings ◽  
Compound C ◽  
Carbonyl Bond

The geometric parameters of the title compound, C13H7Cl3OS, are in the usual ranges. The molecule is almost planar (r.m.s. deviation of all non-H atoms 0.193 Å). The dihedral angle between the two aromatic rings is 14.41 (7)°. The C=C double bond is trans configured. The bond between the carbonyl bond and the thienyl ring is in an eclipsed conformation. The crystal packing is stabilized by a weak C—H...O hydrogen bond.

scholarly journals Crystal structure of 2-benzamido-N-(2,2-diethoxyethyl)benzamide

2015 ◽  
Vol 71 (3) ◽  
pp. o214-o215
Author(s):  
Abdelaaziz Ouahrouch ◽  
Moha Taourirte ◽  
Hassan B. Lazrek ◽  
Joachim W. Engels ◽  
Michael Bolte
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Dihedral Angle ◽  
Title Compound ◽  
Molecular Conformation ◽  
Crystal Packing ◽  
Aromatic Rings ◽  
Peptide Bonds ◽  
Axis Direction ◽  
Compound C

In the title compound, C20H24N2O4, both peptide bonds adopt atransconfiguration with respect to the —N—H and —C=O groups. The dihedral angle between the aromatic rings is 53.58 (4)°. The molecular conformation is stabilized by an intramolecular N—H...O hydrogen bond. The crystal packing is characterized by zigzag chains of N—H...O hydrogen-bonded molecules running along theb-axis direction.

scholarly journals Crystal structure of (E)-N'-[1-(4-aminophenyl)ethylidene]-2-hydroxy-5-iodobenzohydrazide methanol monosolvate

2018 ◽  
Vol 74 (7) ◽  
pp. 910-914
Author(s):  
Cong Nguyen Tien ◽  
Huong Le Thi Thu ◽  
Thin Nguyen Van ◽  
Trung Vu Quoc ◽  
Manh Vu Quoc ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Hirshfeld Surface ◽  
Stacking Interactions ◽  
Aromatic Rings ◽  
Compound C

In the title compound, C15H14IN3O2·CH3OH, two aromatic rings are linked by an N-substituted hydrazide function. The dihedral angle between the aromatic rings is 10.53 (8)°. The stereochemistry about the imine function is E. The methanol molecule forms an O—H...O hydrogen bond to the hydrazide O atom. In the crystal, chains of molecules running along the c-axis direction are formed by O—H...O hydrogen bonds. Adjacent chains are linked through N—H...O hydrogen bonds and π–π stacking interactions. The intermolecular interactions in the crystal packing were investigated using Hirshfeld surface analysis, which indicated that the most significant contacts are H...H (38.2%), followed by C...H/H...C (20.6%), O...H/H...O (11.1%) and I...H/H...I (9.7%).

scholarly journals [4-(Allyloxy)phenyl](phenyl)methanone

2014 ◽  
Vol 70 (7) ◽  
pp. o814-o815
Author(s):  
Richard F. D'Vries ◽  
Carlos D. Grande ◽  
Manuel N. Chaur ◽  
Javier A. Ellena ◽  
Rigoberto C. Advincula
Keyword(s):  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Three Dimensional ◽  
Aromatic Rings ◽  
Π Interactions ◽  
Compound C ◽  
Dimensional Network

The structure of the title compound, C16H14O2, features a dihedral angle of 54.4 (3)° between the aromatic rings. The allyl group is rotated by 37.4 (4)° relative to the adjacent benzene ring. The crystal packing is characterized by numerous C—H...O and C—H...π interactions. Most of these interactions occur in layers along (011). The layers are linked by C—H...π interactions along [100], forming a three-dimensional network.

scholarly journals 3-({4-[(2-Methylbenzylidene)amino]-5-sulfanylidene-1H-1,2,4-triazol-3-yl}methyl)-1,3-benzoxazol-2(3H)-one

2013 ◽  
Vol 69 (2) ◽  
pp. o169-o170
Author(s):  
Abdullah Aydın ◽  
Nuray Hekimoğlu ◽  
Mehmet Akkurt ◽  
Tijen Önkol ◽  
Şölen Urlu Çiçekli ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Crystal Packing ◽  
Dihedral Angles ◽  
Π Interactions ◽  
Compound C

In the title compound, C18H15N5O2S, a weak intramolecular C—H...S hydrogen bond results in a small dihedral angle of 3.71 (9)° between the methylphenyl and triazole rings, which, in turn, form dihedral angles of 80.09 (8) and 77.32 (8)°, respectively, with the benzoxazolone mean plane. In the crystal, N—H...O hydrogen bonds link molecules into chains along [001], and weak C—H...N hydrogen bonds and π–π interactions between the five- and six-membered rings [centroid–centroid distances = 3.5074 (11) and 3.616 (1) Å] consolidate the crystal packing.

3-Butyl-2-(piperidin-1-yl)-5,6,7,8-tetrahydrobenzothieno[2,3-d]pyrimidin-4(3H)-one

2007 ◽  
Vol 63 (11) ◽  
pp. o4365-o4365 ◽  
Author(s):  
Hong-Mei Wang ◽  
Xiao-Hua Zeng ◽  
Ai-Hua Zheng ◽  
Jia-Hua Tian ◽  
Ting-Yun He
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bond ◽  
Title Compound ◽  
Crystal Packing ◽  
Chair Conformation ◽  
Ring System ◽  
Piperidine Ring ◽  
Π Interactions ◽  
Compound C ◽  
Cyclohexene Ring

In the title compound, C19H27N3OS, the central thienopyrimidine ring system is essentially planar. The cyclohexene ring adopts a half-chair conformation, while the piperidine ring is in a standard chair conformation. There is an intramolecular C—H...O hydrogen bond, which stabilizes the molecular structure. The crystal packing is stabilized by C—H...π interactions.

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