Results 1 to 10 of about 590,684 (259)
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
doaj +4 more sources
Crystal structure of diaquatris(1-ethyl-1H-imidazole- jN3)(sulfato-jO)nickel(II) [PDF]
, 2016 In the title complex, [Ni(SO4)(C5H8N2)3(H2O)2], the NiII ion is coordinated by three facial 1-ethyl-1H-imidazole ligands, one monodentate sulfate ligand and two water molecules in a slightly distorted octahedral coordination environment.
Domján, Attila +2 more
core +28 more sources
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
2,3-Dimethoxy-10-oxostrychnidinium 2-(2,4,6-trinitroanilino)benzoate monohydrate: a 1:1 proton-transfer salt of brucine with o-picraminobenzoic acid [PDF]
, 2011 In the structure of the 1:1 proton-transfer compound of brucine with 2-(2,4,6-trinitroanilino)benzoic acid C23H27N2O4+ . C13H7N4O8- . H~2~O, the brucinium cations form the classic undulating ribbon substructures through overlapping head-to-tail ...
Altomare +21 more
core +2 more sources
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
doaj +1 more source
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.
core +1 more source
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
doaj +1 more source
Hydrogen-bonding interactions in the crystalline-phase structures of cinnamic acid derivatives [PDF]
, 1999 Secondary interactions responsible for the crystalline-phase structures of various cinnamic acids and cinnamic acid esters drawn from the Cambridge Structural Database were studied with the help of the Cerius package implemented on an SGI workstation ...
Pálinkó, István
core +1 more source