Results 1 to 10 of about 559,078 (257)

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, Kasthuri Balasubramani, Kaliyaperumal Thanigaimani, Nuridayanti Che Khalib, Suhana Arshad, Ibrahim Abdul Razak   +5 more
doaj   +4 more sources

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., Sabrina Syed,, Siti Nadiah Abdul Halim,, Tiekink, Edward R. T. *   +3 more
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Diethyl 4-(1H-imidazol-2-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

IUCrData, 2020
In the title compound, C16H21N3O4, the 1,4-dihydropyridine ring adopts a flattened boat conformation, with the imidazole substituent in an axial orientation [dihedral angle between ring planes = 82.9 (6)°].
Miri Yoo, Dongsoo Koh
doaj   +1 more source

Crystal structures of three N-(arylsulfonyl)-4-fluorobenzamides

Acta Crystallographica Section E: Crystallographic Communications, 2016
The crystal structures of three N-arylsulfonyl-4-fluorobenzamides, namely 4-fluoro-N-(2-methylphenylsulfonyl)benzamide, C14H12FNO3S, (I), N-(2-chlorophenylsulfonyl)-4-fluorobenzamide, C13H9ClFNO3S, (II), and N-(4-chlorophenylsulfonyl)-4-fluorobenzamide ...
P. A. Suchetan, S. Naveen, N. K. Lokanath, K. S. Srivishnu, G. M. Supriya, H. N. Lakshmikantha   +5 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, Bernstein, Białońska, Białońska, Białońska, Białońska, Crocker, Dijksma, Farrugia, Gould, Graham Smith, Oshikawa, Peerdeman, Sada, Sheldrick, Smith, Smith, Smith, Smith, Smith, Spek, Urs D. Wermuth   +21 more
core   +2 more sources

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, Naeem Abbas, Hummera Rafique, Michael Bolte, Atia, Berkessel, Blessing, Hu, Moloto, Phetsuksiri, Sheldrick, Spek, Succaw   +12 more
core   +1 more source

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

Allylammonium hydrogen oxalate hemihydrate

Acta Crystallographica Section E, 2014
In the title hydrated molecular salt, C3H8N+·C2HO4−·0.5H2O, the water O atom lies on a crystallographic twofold axis. The C=C—C—N torsion angle in the cation is 2.8 (3)° and the dihedral angle between the CO2 and CO2H planes in the anion is 1.0 (4)°.
Błażej Dziuk, Bartosz Zarychta, Krzysztof Ejsmont   +2 more
doaj   +1 more source

Tetraammonium Tetrametaphosphimate Tetrahydrate [PDF]

, 1998
The tetrametaphosphimate ring in the title compound, (NH4)4+(PO2NH)4-.4H2O exhibits a chair conformation. The tetrametaphosphimate rings are linked by N-HO bonds forming columns along [100].
Schnick, Wolfgang, Stock, Norbert
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
doaj   +1 more source