Bis(2-amino-5-bromopyridinium) fumarate dihydrate
نویسندگان
چکیده
منابع مشابه
Bis(2-amino-5-bromopyridinium) fumarate dihydrate
In the title compound, 2C(5)H(6)BrN(2) (+)·C(4)H(2)O(4) (2-)·2H(2)O, the complete fumarate dianion is generated by crystallographic inversion symmetry. The cation is approximately planar, with a maximum deviation of 0.036 (1) Å. In the anion, the carboxyl-ate group is twisted slightly away from the attached plane; the dihedral angle between carboxyl-ate and (E)-but-2-ene planes is 6.11 (14)°. I...
متن کاملBis(2-methylimidazolium) fumarate dihydrate
In the title compound, 2C(4)H(7)N(2) (+)·C(4)H(2)O(4) (2-)·2H(2)O, the asymmetric unit consists of one 2-methyl-imidazolium cation, half a fumarate dianion and one water mol-ecule. There is an inversion center at the mid-point of the central C-C bond of the fumarate anion. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular N-H⋯O, O-H⋯O and weak C...
متن کاملBis(2-amino-5-methylpyridinium) fumarate–fumaric acid (1/1)
In the crystal structure of the title compound, C(6)H(9)N(2) (+)·0.5C(4)H(2)O(4) (2-)·0.5C(4)H(6)O(4), the fumarate dianion and fumaric acid mol-ecule are located on inversion centres. The 2-amino-5-methyl-pyrimidinium cation inter-acts with the carboxyl-ate group of the fumarate anion through a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. These motifs are centrosymmetricall...
متن کاملSodium 5-amino-1,3,4-thiadiazole-2-thiolate dihydrate
There are two 5-amino-1,3,4-thia-diazole-2(3H)-thiolate anions in the asymmetric unit of the title compound, Na(+)·C(2)H(2)N(3)S(2) (-)·2H(2)O, which are almost perpendicular to each other [dihedral angle = 84.64 (6)°]. The two Na(+) cations are in distorted fourfold coordinations by O atoms of the water molecules. The crystal structure is stabilized by N-H⋯S, O-H⋯N and O-H⋯S hydrogen bonds.
متن کاملHexaaquamagnesium bis{4-[(5-bromo-2-hydroxybenzylidene)amino]benzenesulfonate} dihydrate
In the title hydrated mol-ecular salt, [Mg(H(2)O)(6)](C(13)H(9)BrNO(4)S)(2)·2H(2)O, the Mg(2+) ion (site symmetry ) adopts a near regular MgO(6) octa-hedral coordination geometry. In the anion, the dihedral angle between the aromatic rings is 2.5 (2)° and an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring. In the crystal, the components are linked by O-H⋯O and O-H⋯Br hydrogen bonds.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810030989