Results 21 to 30 of about 469,634 (251)

N—H⋯N hydrogen bonding in 4,6-diphenyl-2-pyrimidinylamine isolated from the plant Justicia secunda (Acanthaceae) [PDF]

, 2004
The title compound, C₁₆H₁₃N₃, isolated from Justicia secunda (Acanthaceae), comprises two molecules (which differ slightly in conformation) in the asymmetric unit of space group P\overline 1.
Chatterjee, Baidyanath, Dutta, Kalyani, Gallagher, John F., Goswami, Shyamaprosad, Jana, Subrata   +4 more
core   +1 more source

Crystal structure of methyl (2Z)-3-(4-chlorophenyl)-2-[(3-methyl-1H-indol-1-yl)methyl]prop-2-enoate

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title indole derivative, C20H18ClNO2, the chlorophenyl ring is almost perpendicular to the indole moiety, making a dihedral angle of 87.6 (1)°. The molecular packing is stabilized by C—H...π interactions, which form a C(9) chain motif along [10-1].
S. Selvanayagam, B. Sridhar, S. Kathiravan, R. Raghunathan   +3 more
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of (E)-1-[2,2-dibromo-1-(4-nitrophenyl)ethenyl]-2-(4-fluorophenyl)diazene

Acta Crystallographica Section E: Crystallographic Communications, 2022
In the title compound, C14H8Br2FN3O2, the 4-fluorophenyl ring and the nitro-substituted phenyl ring form a dihedral angle of 64.37 (10)°. Molecules in the crystal are connected by C—H...O and C—H...F hydrogen bonds into layers parallel to (011).
Zeliha Atioğlu, Mehmet Akkurt, Namiq Q. Shikhaliyev, Naila A. Mammadova, Gulnara V. Babayeva, Victor N. Khrustalev, Ajaya Bhattarai   +6 more
doaj   +1 more source

Synthesis and Crystal Structure of 6-Bromo-2-(furan-2-yl)-3-(prop-2-ynyl)-3H-imidazo[4,5-b]pyridine [PDF]

, 2013
The crystal and molecular structure of 6-bromo-2-(furan-2-yl)-3-(prop-2-ynyl)-3H-imidazo[4,5-b]pyridine (C13H8BrN3O) has been investigated from single crystal X-ray diffraction data.
Kandri Rodi, Youssef, Luis, Santiago V., Martí Vidal, Inés, Martí-Centelles, Vicente, Ouzidan, Younès   +4 more
core   +6 more sources

Crystal structure of 3-[2-(thiophen-3-yl)ethynyl]-2H-chromen-2-one

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, C15H8O2S, the coumarin moiety is approximately planar (r.m.s. deviation of the 11 non-H atoms = 0.025 Å) and is slightly inclined with respect to the plane of the thiophen-3-yl ring, forming a dihedral angle of 11.75 (8)°.
Ignez Caracelli, Stella H. Maganhi, Hélio A. Stefani, Karina Gueogjian, Edward R. T. Tiekink   +4 more
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of 2-amino-4-(4-methoxyphenyl)-6-oxo-1-phenyl-1,4,5,6-tetrahydropyridine-3-carbonitrile

Acta Crystallographica Section E: Crystallographic Communications, 2022
The central tetrahydropyridine ring of the title compound, C19H17N3O2, adopts a screw-boat conformation. In the crystal, strong C—H...O and N—H...N hydrogen bonds form dimers with R22(14) and R22(12) ring motifs, respectively, between consecutive ...
Khammed A. Asadov, Victor N. Khrustalev, Ekaterina V. Dobrokhotova, Mehmet Akkurt, Afet T. Huseynova, Anzurat A. Akobirshoeva, Elnur Z. Huseynov   +6 more
doaj   +1 more source

Bis{(Z)-[(E)-2-(pyridin-2-ylmethylidene)hydrazin-1-ylidene][(pyridin-2-yl) methylsulfanyl]methanethiolato}nickel(II) [PDF]

, 2013
The title compound, [Ni(C13H11N4S 2)2], was obtained by the reaction of S-2- picolyldithiocarbazate and pyridine-2-carbaldehyde with nickel(II) acetate.
Altomare, Andrew R. Cowley, Betteridge, Crouse, David J. Watkin, Hossain, Karen A. Krouse, M. Ibrahim M. Tahir, Macrae, Mohammed Khaled bin Break, Omar, Tarafder, Teng-Jin Khoo, Westrip   +13 more
core   +3 more sources

Crystal structure of dichlorido{2,6-bis[(3-phenyl-1H-pyrazol-1-yl)methyl]pyridine}cobalt(II)

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title complex, [CoCl2(C25H21N5)], the CoII atom is coordinated by two Cl atoms and two N atoms, provided by a tridentate pyrazolylpyridyl ligand, forming a slightly distorted tetrahedral geometry [range of angles: 96.51 (10) (chelate ring) to 118 ...
Kyung-sun Son, Jeong Oh Woo, Daeyoung Kim, Sung Kwon Kang   +3 more
doaj   +1 more source

4-{(E)-[(2-Hydroxynaphthalen-1-yl)methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one: a new polymorph (β-phase)

IUCrData, 2017
The title molecule, C22H19N3O2, is a new polymorphic modification, viz. the β-phase; the α-phase has been previously published [Liang & Wang (2010). Acta Cryst. E66, o1968–o1969].
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Mustafa R. Albayati, Alaa F. Mohamed   +4 more
doaj   +1 more source

C-H...O and C-H...π(arene) interactions in (2S,4S,5R)-(-)-2-(4-propoxyphenyl)-3,4-dimethyl-5-phenyl-1,3-oxazolidine [PDF]

, 2004
The title compound, C₂₀H₂₅NO₂, a condensation product of l-ephedrine and 4-propoxyaldehyde, is of interest in studies on weak interactions. It crystallizes with C-H...O and C-H...π(arene) intermolecular interactions as a one-dimensional chain [C...O = 3 ...
Duffy, Marina, Gallagher, John F., Lough, Alan J.   +2 more
core   +1 more source