1,10-Phenanthrolin-1-ium hydrogen d,l-tartrate dihydrate
نویسندگان
چکیده
In the title hydrated molecular salt, C(12)H(9)N(2) (+)·C(4)H(5)O(6) (-)·2H(2)O, the cation is almost planar (r.m.s. deviation = 0.014 Å); the carbon skeleton of the anion assumes a trans conformation [C-C-C-C torsion angle = -179.86 (14)°]. The carboxyl end of one hydrogen tartrate anion forms a short hydrogen bond to the carboxyl-ate end of another anion [O⋯O = 2.508 (2) Å] in a head-to-tail manner, forming a chain; the chains and water mol-ecules inter-act, generating an O-H⋯O hydrogen-bonded layer. The cation binds to the layer by an N-H⋯O hydrogen bond.
منابع مشابه
1,10-Phenanthrolin-1-ium hydrogen (S,S)-tartrate trihydrate and a correction
The title structure, C(12)H(9)N(2) (+)·C(4)H(5)O(6) (-)·3H(2)O, shows that one of the protons of d-tartaric acid has been transferred to 1,10-phenanthroline. The d-hydrogen tartrate anions are joined together in a head-to-tail fashion via a short hydrogen bond with donor-acceptor distance of 2.4554 (12) Å, unsymmetrical O-H distances of 1.01 (4) Å and 1.45 (4) Å, and a 174 (4)° O-H-O bond angle...
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The title compound, C(12)H(9)N(2)O(2) (+)·Cl(-)·2H(2)O, exhibits a layered structure which is stabilized by inter-molecular O-H⋯O, O-H⋯Cl(-) and N(+)-H⋯Cl(-) hydrogen bonds, and π-π inter-actions (centroid-centroid distances = 3.654 and 3.583 Å). The distances between the molecules are 3.371 and 3.294 Å.
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The asymmetric unit of the title compound, (C(12)H(9)N(2))(2)[PtBr(6)]·2H(2)O, contains a protonated 1,10-phenanthroline cation (H-phen), one half of a [PtBr(6)](2-) anionic complex and a solvent water mol-ecule. The Pt(IV) ion is located on an inversion centre and is coordinated in an octa-hedral environment by six Br atoms. The crystal structure displays numerous inter-molecular π-π inter-act...
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In the title compound, (C₁₄H₁₃N₂)[FeCl₄]·CH₃OH, the 2,9-dimethyl-1,10-phenanthrolin-1-ium cation, FeCl₄ ⁻ anion and methanol solvent mol-ecule lie on a twofold rotation axis. Due to symmetry, the H atom on the N atom of the cation is half-occupied. In the anion, the Fe(III) atom has a tetra-hedral geometry. H atoms of the methanol mol-ecule are disordered over two sets of sites around the twofo...
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