Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Doraisamyraja Kalaivani"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 5, Pp 620-623 (2016)
In the anion of the title hydrated molecular salt, C4H8N3O+·C12H9N4O7−·H2O [systematic name: 2-amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-3-ium 5-(2,4-dinitrophenyl)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate monohydrate], the 2
Externí odkaz:
https://doaj.org/article/f066efa427064e48af15371b205e879f
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 4, Pp 570-574 (2016)
The asymmetric unit of the title salt C9H8N+·C12H9N4O7−, which exhibits anticonvulsant and hypnotic activities, comprises one anion and one cation interacting via an N—H...O hydrogen bond. In the anion, the six-membered rings are inclined each t
Externí odkaz:
https://doaj.org/article/52ab76123c5e4e789ccb8600250b3302
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 2, Pp 117-120 (2015)
In the crystal structure of the title molecular salt, C5H6N+·C6H2N3O8− (systematic name: pyridinium 3-hydroxy-2,4,6-trinitrophenolate), the pyridinium cation and the 3-hydroxy-2,4,6-trinitrophenolate anion are linked through bifurcated N—H...(O,
Externí odkaz:
https://doaj.org/article/dfbdfe403a9b4597833db6f94fa6f60c
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 10, Pp 1196-1198 (2015)
The title molecular salt, C6H8N+·C6H2N3O7− (systematic name: 3-methylpyridinium 2,4,6-trinitrophenolate), crystallizes in the triclinic space group P-1. The crystal structure of the monoclinic polymorph (space group P21/n) has been reported [Stili
Externí odkaz:
https://doaj.org/article/4131fbb7dca24e1d8843fa2586509da3
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 7, Pp 783-785 (2015)
In the title molecular salt, C12H9N2+·C6H2N3O8−, the cation and anion are connected by an N—H...O hydrogen bond. In the anion, an intramolecular O—H...O hydrogen bond with an S(6) ring motif is observed. The planes of two of the nitro groups a
Externí odkaz:
https://doaj.org/article/9384aac7d4ef486f942b6ac87a50006f
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 6, Pp 723-725 (2015)
The title molecular salt, C5H12NO+·C12H8N5O9− [common name: 4-methylmorpholin-4-ium 1,3-dimethyl-5-(2,4,6-trinitrophenyl)barbiturate], possesses noticeable anticonvulsant and hypnotic activity. In the anion, the 1,3-dimethylbarbituric acid ring an
Externí odkaz:
https://doaj.org/article/9e61f62e1868400588b35494eceb3780
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 11, Pp o848-o849 (2015)
The title molecular salt, C6H8N+·C6H2N3O7− (systematic name: 2-methylpyridinium 2,4,6-trinitrophenolate), crystallizes with two cations and two anions in the asymmetric unit. In the crystal, the cations are linked to the anions via bifurcated N—
Externí odkaz:
https://doaj.org/article/0457387a44a3440eaed338a0f16ec8ef
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp o863-o864 (2013)
In the title hydrated molecular salt, C6H16NO+·C10H5N4O7−·1.5H2O [systematic name: N,N-diethyl-2-hydroxyethanaminium 5-(2,4-dinitrophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-olate sesquihydrate], the dihedral angle between the six-membered r
Externí odkaz:
https://doaj.org/article/9a34b00b9fbe475c96cb474971e8c6c0
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 4, Pp o592-o593 (2013)
The asymmetric unit of the title salt C3H10N+·C10H5N4O7−·0.125H2O [trivial name: trimethylammonium 5-(2,4-dinitrophenyl)barbiturate 0.125-hydrate], contains two independent cations, two independent anions and a 0.25-occupancy solvent water molecu
Externí odkaz:
https://doaj.org/article/d14749cc2e48473c8441611545ec16f7
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 1, Pp o3-o4 (2013)
The asymmetric unit of the title molecular salt, C10H16N+·C10H5N4O7− (trivial name: N,N-diethylanilinium 2,4-dinitrophenylbarbiturate), comprises two anion–cation units. In the anions, the dinitrophenyl ring and the mean plane of the barbiturate
Externí odkaz:
https://doaj.org/article/07ae0e0d88f143a09aa31969cf325f7b