Results 21 to 30 of about 29,179,465 (256)
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 +4 more
doaj +1 more source
, 2019 Aminobenzylnaphthols are a class of compounds containing a large aromatic molecular surface which makes them suitable candidates to study the role of C—H⋅⋅⋅π interactions.
Capozzi M. A. M. +2 more
core +2 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 +3 more
doaj +1 more source
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 +6 more
doaj +1 more source
Acta Chimica Slovenica, 2021 Manganese(II) bis(4,4,4-trifluoro-1-phenylbutane-1,3-dionate) complexes with pyridin-4-one (pyon), 3-hydroxypyridin-2-one (hpyon), 1-fluoropyridine (pyF) and methanol were prepared and the solid-state structures were determined by single-crystal X-ray ...
Anže Čavić, Franc Perdih
doaj +1 more source
, 2020 The title compound, C13H13ClN4O 2, contains both a phenyl and a triazole ring, both of which are approximately coplanar with the entire molecule. The triazole ring has substituents at the 1-, 2- and 4-positions.
김영미
core +1 more source
Crystal structure of 1-methoxypyrene
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title compound, C17H12O, crystallized with three independent molecules (A, B and C) in the asymmetric unit. In the crystal, the three independent molecules are linked by π–π interactions [centroid–centroid distances = 3.551 (3)–3.977 (2) Å], which ...
Eric G. Morales-Espinoza +4 more
doaj +1 more source
Crystal structure of 2-(3-bromophenyl)-1,3-dithiane
Acta Crystallographica Section E: Crystallographic Communications, 2015 In the title compound, C10H11BrS2, the 1,3-dithiane ring has a chair conformation with the 1,4-disposed C atoms being above and below the remaining four atoms. The bromobenzene ring occupies an equatorial position and forms a dihedral angle of 86.38 (12)°
Julio Zukerman-Schpector +4 more
doaj +1 more source
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 +6 more
doaj +1 more source
C—halogen⋯π dimer and C—H⋯π interactions in 1-(2-bromo-4,5-dimethoxybenzyl)-2-butyl-4-chloro-1H-imidazole-5-carbaldehyde and 2-butyl-4-chloro-1-(6-methyl-1,3-benzodioxol-5-ylmethyl)-1H-imidazole-5-carbaldehyde [PDF]
, 2005 The structures of the title compounds, C17H20BrClN2O3, (I), and C17H19ClN2O3, (II), are stabilized by intramolecular C—H⋯O and C—H⋯π interactions. The stability of the molecular packing in (I) and (II) arises from a diverse set of weak intermolecular C—H⋯
Nagaraja, P +12 more
core +1 more source