Results 1 to 10 of about 587,152 (142)
2,6-Diamino-4-chloropyrimidinium 4-carboxybutanoate [PDF]
Acta Crystallographica Section E, 2014 In the title molecular salt, C4H6ClN4+·C5H7O4−, the cation is essentially planar, with a maximum deviation of 0.037 (1) Å for all non-H atoms. The anions are self-assembled through O—H...O hydrogen bonds, forming a supramolecular zigzag chain with graph ...
Bellarmin Edison +5 more
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2-({[(Pyridin-1-ium-2-ylmethyl)carbamoyl]formamido}methyl)pyridin-1-ium bis(3,5-dicarboxybenzoate): crystal structure and Hirshfeld surface analysis [PDF]
, 2016 The asymmetric unit of the title salt, C14H16N4O22+·2C9H5O6−, comprises half a dication, being located about a centre of inversion, and one anion, in a general position.
Jotani, Mukesh M. +3 more
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Acta Crystallographica Section E: Crystallographic Communications, 2021 In the title compound, C27H33NO5, a 3,3,6,6-tetramethyltetrahydroacridine-1,8-dione ring system carries an ethyl acetate substituent on the acridine N atom and an o-hydroxyphenyl ring on the central methine C atom of the dihydropyridine ring. The benzene
Omyma A. A. Abd Allah +5 more
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13-Benzyl-4,11-dihydroxy-1,8-diphenyl-2,9-dithia-13-azadispiro[4.1.4.3]tetradecan-6-one
IUCrData, 2021 In the title compound, C30H31NO3S2, the piperidine ring adopts a distorted chair conformation. The thiophene rings have twisted conformations about the C—C bonds. The mean plane of the piperidine ring makes a near orthogonal conformation with the toluene
G. Vinotha, T. V. Sundar, N. Sharmila
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Crystal structure of N,N,N′,N′,N′′,N′′-hexamethylguanidinium cyanate 1.5-hydrate
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title hydrated salt, C7H18N3+·OCN−.1.5H2O, was synthesized starting from N,N,N′,N′,N′′,N′′-hexamethylguanidinium chloride by a twofold anion-exchange reaction.
Ioannis Tiritiris, Willi Kantlehner
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3,3'-Dibutanoyl-1,1'-(o-phenylene)dithiourea [PDF]
, 2010 The molecular conformation of the title compound, C16H22N4O2S2, is stabilized by two intramolecular N—H ... O hydrogen bonds. The crystal packing shows N—H ... O and N—H ...
Aamer Saeed +12 more
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Crystal structure of 1,2,3,4-di-O-methylene-α-d-galactopyranose
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title compound, C8H12O6, was synthesized by deacetylation of 6-acetyl-1,2,3,4-di-O-methylene-α-d-galactose with sodium methoxide. The central part of the molecule consists of a six-membered C5O pyranose ring with a twist-boat conformation. Both fused
Ioannis Tiritiris +2 more
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Isotopic fractionation in proteins as a measure of hydrogen bond length [PDF]
, 2015 If a deuterated molecule containing strong intramolecular hydrogen bonds is placed in a hydrogenated solvent it may preferentially exchange deuterium for hydrogen.
Athokpam, Bijyalaxmi +2 more
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Cystal structre of 5-hydroxy-2-nitrobenzaldehyde
Acta Crystallographica Section E: Crystallographic Communications, 2015 In the title compound, C7H5NO4, the nitro group and the aldehyde group are inclined to the benzene ring by 16.6 (3) and 15.6 (3)°, respectively. In the crystal, molecules are linked via O—H...O hydrogen bonds, forming chains along [100].
Huma Bano, Sammer Yousuf
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Infrared Absorption Associated with Strong Hydrogen Bonds [PDF]
, 1958 Several investigators have proposed that there exists a more or less unique relation between the O-O distance in O-H-O hydrogen bonds and the shift of O-H vibrational frequency. [1-5] However, the meager intensities of some bands which have been ascribed
Albert, Norman, Badger, Richard M.
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