The betainic form of (imidazol-2-yl)phenylphosphinic acid hydrate
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چکیده
منابع مشابه
The betainic form of (imidazol-2-yl)phenylphosphinic acid hydrate
Single crystals of the title compound, (imidazolium-2-yl)phenyl-phosphinate monohydrate, C(9)H(9)N(2)O(2)·H(2)O, were ob-tained from methanol/water after deprotection and oxidation of bis-(1-diethoxy-methyl-imidazol-2-yl)phenyl-phosphane. In the structure, several N-H⋯O and P-O⋯H-O hydrogen bonds are found. π-π inter-actions between the protonated imidazolyl rings [centroid-centroid distance = ...
متن کامل2-Ethyl-1H-imidazol-3-ium hemioxalate oxalic acid monohydrate
In the title compound, C(5)H(9)N(2) (+)·0.5C(2)O(4) (2-)·C(2)H(2)O(4)·H(2)O, the anions, cations and water mol-eculars are linked by N-H⋯O and O-H⋯O hydrogen bonds which define a tightly bound three-dimensional structure. The title compound is a layered structure as viewed along the a or c axis; one layer contains water and oxalic acid mol-ecules, the other the imidazolium cation. The C atoms o...
متن کامل(S)-2-(1H-Imidazol-1-yl)succinic acid
The title compound, C(7)H(8)N(2)O(4), is a zwitterion, [formal name = (S)-3-carb-oxy-2-(imidazol-3-ium-1-yl)propano-ate], in which the deproton-ated negatively charged carboxyl-ate end shows almost identical C-O bond distances [1.248 (4) and 1.251 (4) Å] due to resonance. The mol-ecules are involved in inter-molecular O-H⋯O and N-H⋯O hydrogen bonds, which define a tightly bound three-dimensiona...
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چکیده ندارد.
15 صفحه اول1,4-Bis(4,5-dihydro-1H-imidazol-2-yl)benzene–4-aminobenzenesulfonic acid–water (1/2/2)
The asymmetric unit of the title compound, C(12)H(14)N(4)·2C(6)H(7)NO(3)S·2H(2)O, contains one half of a centrosymmetric 1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene (bib) molecule, one 4-amino-benzene-sulfonic acid molecule and one water mol-ecule. In the bib molecule, the imidazole ring adopts an envelope conformation. The benzene rings of bib and 4-aminobenzenesulfonic acid are oriented at ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2010
ISSN: 1600-5368
DOI: 10.1107/s1600536810018337