Zobrazeno 1 - 10
of 290
pro vyhledávání: '"Lip Lin Koh"'
Autor:
Vittal, Jagadese J.1
Publikováno v:
Journal of Applied Crystallography. Jun2015, Vol. 48 Issue 3, p976-976. 1p.
Autor:
Jagadese J. Vittal
Publikováno v:
Journal of Applied Crystallography. 48:976-976
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a338afd164431f15c07700002a735e15
https://doi.org/10.1107/s1600576715006500
https://doi.org/10.1107/s1600576715006500
Publikováno v:
Crystals, Vol 1, Iss 3, Pp 136-144 (2011)
When crystallized from ethanol, 7,7-dimethyl-2-pyridin-4-yl-6,7-dihydro-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine forms crystals which have monoclinic (P21/n) symmetry with unit cell dimensions a = 7.3326(5) Å, b = 19.4897(14) Å, c = 8.6586(6) Å
Externí odkaz:
https://doaj.org/article/bf9ff318a6414229a116578faee95426
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 5, Pp o1183-o1184 (2011)
The 1,2,4-triazolo[1,5-a][1,3,5]triazine system in the title compound, C17H14FN7·2CH3OH, is essentially planar, with an r.m.s. deviation of 0.0215 Å. The attached phenyl ring lies almost in the mean plane of the heterocyclic core [dihedral angle =
Externí odkaz:
https://doaj.org/article/33ef5ebbd8734f3ebfc75337b5fa95a7
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 1, Pp o85-o86 (2011)
In the title compound, C16H13N7O, the 1,2,4-triazolo[1,5-a][1,3,5]triazine heterocyclic system is essentially planar (r.m.s. deviation = 0.0375 Å). The attached benzene ring lies almost in the mean plane of 1,2,4-triazolo[1,5-a][1,3,5]triazine [dihe
Externí odkaz:
https://doaj.org/article/05fea6fec4cc4e2f91d34e6f6161026b
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 1, Pp o83-o84 (2011)
In the title compound, C10H12N6·C2H5OH, the planarity of the heterocyclic system is slightly distorted at the triazine ring (r.m.s. deviation = 0.1191 Å), which adopts a conformation best described as intermediate between a flattened twisted boat a
Externí odkaz:
https://doaj.org/article/fa2651c1b5d247b09631f78cbe6a3b8b
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 8, Pp o1990-o1991 (2010)
The title compound, C12H13N5O2S {systematic name: ethyl N-[N-(3-phenyl-1H-1,2,4-triazol-5-yl)carbamothioyl]carbamate}, is a monoclinic polymorph (space group P21/c) which crystallizes with three similar independent molecules in the asymmetric unit. T
Externí odkaz:
https://doaj.org/article/f7d5feebc193448eb2bb009aa5e43a47
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 8, Pp o2050-o2050 (2010)
In the title compound, C8H9N5O, the mean planes through the pyrimidine and triazine rings form a dihedral angle of 2.83 (16)°. The amino group adopts a trigonal-planar configuration and forms an intramolecular resonance-assisted N—H...O=C hydrogen
Externí odkaz:
https://doaj.org/article/4c92b068309f4c9e988fbddffb38683b
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 7, Pp o1835-o1836 (2010)
In the title compound, C14H10F3N7·2CH4O, the heterocyclic ring system is essentially planar (r.m.s. deviation = 0.009 Å) and makes a dihedral angle of 6.91 (8)° with the attached benzene ring. In the crystal, the main molecules form centrosymmetri
Externí odkaz:
https://doaj.org/article/8091337873ce493fb42ec757f65424af
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 5, Pp o1241-o1241 (2010)
The molecular structure of the title compound, C13H18N4O3S, (systematic name: ethyl N-{2-[4-(dimethylamino)benzoyl]hydrazinethiocarbonyl}carbamate) is stabilized by intramolecular N—H...O=C hydrogen bonding arranged in an S(6) graph-set motif. In t
Externí odkaz:
https://doaj.org/article/e92f2206ba4a42b39fb9ff405dd17b5b