Results 21 to 30 of about 288,064 (168)
Acta Crystallographica Section E: Crystallographic Communications, 2020 In 2,2,5-trimethyl-1,3-dioxane-5-carboxylic acid, C8H14O4, the carboxyl group occupies an equatorial position on the 1,3-dioxane ring. In the crystal, O—H...O hydrogen bonds form chains of molecules, which are linked into a three-dimensional network by C—
Joseph A. Giesen +2 more
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Weak C−H···O and C−H···F−C Hydrogen Bonds in the Oxirane−Trifluoromethane Dimer [PDF]
, 2016 The oxirane−trifluoromethane dimer generated in a supersonic expansion has been characterized by Fourier transform microwave spectroscopy. The rotational spectra of the parent species and of its two 13C isotopomers in combination with ab initio ...
José L. Alonso (2492950) +5 more
core +1 more source
2-Amino-4-methylpyrimidinium dihydrogen phosphate
Acta Crystallographica Section E, 2013 A charge-assisted hydrogen-bonding network involving N—H...O and O—H...O hydrogen bonds stabilizes the crystal of the title salt, C5H8N3+·H2PO4−.
Sajesh P. Thomas, Jyothi Sunkari
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Very strong C-H···O, N-H···O, and O-H···O hydrogen bonds involving a cyclic phosphate [PDF]
, 2001 Very short C-H···O, N-H··O, and O-H···O hydrogen bonds have been generated utilizing the cyclic phosphate [CH2(6-t-Bu-4-Me-C6H2O)2]P(O)OH (1).
Kumara Swamy, K. C. +2 more
core +1 more source
(2E)-1-(3,5-Dihydroxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one
Acta Crystallographica Section E, 2014 In the title compound, C16H14O4, the benzene rings are inclined to one another by 4.91 (7)°. The conformation about the C=O and C=C bonds is trans and cis, respectively.
K. S. Ezhilarasi +4 more
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1-(2,6-Dichlorobenzoyl)-3-(3-methoxyphenyl)thiourea [PDF]
, 2009 The two aromatic rings in the title compound, C15H12Cl2N2O2S, enclose a dihedral angle of 37.49 (6)°. The molecule exists in the solid state in its thione form with typical thiourea C-S and C-O bonds lengths, as well as shortened C-N bonds.
Bolte, Michael +5 more
core +1 more source
IUCrData, 2016 In the title molecular salt, C8H20N+·C42H48NO4S4−, the conformation of the anionic tetrathiacalix[4]arene, which is cone-shaped, is primarily determined by intramolecular O—H...O hydrogen bonds.
Omran A. Omran +4 more
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2-Hydroxybenzyl alcohol–phenanthroline (1/1) [PDF]
, 2009 Crystals of the title compound, C12H8N2·C7H8O2, were obtained during cocrystallization experiments of a compound with two hydrogen-bond donors (2-hydroxybenzyl alcohol) with another compound containing two hydrogen-bond acceptors (phenanthroline ...
Bolte, Michael +3 more
core +1 more source
(E)-4-(2-Chloro-1-hydroxy-2,6,6-trimethylcyclohexyl)but-3-en-2-one
Acta Crystallographica Section E, 2012 In the title molecule, C13H21ClO2, there is an intramolecular C—H...Cl hydrogen bond. The conformation about the C=C bond is E and the six-membered ring has a chair conformation.
Shan Liu, Xiao-Yan Yang, Yu-Ling Zhang
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Weak C-H×××O and C-H×××F-C hydrogen bonds in the Oxirane-Trifluoromethane Dimer [PDF]
, 2004 The oxirane-trifluoromethane dimer generated in a supersonic expansion has been characterized by Fourier transform microwave spectroscopy. The rotational spectra of the parent species and of its two 13C isotopomers in combination with ab initio ...
ALONSO J. L. +5 more
core +1 more source