منابع مشابه
Benzene-1,3,5-triol at 105 K
The structure of the title compound, C(6)H(6)O(3), has been redetermined at low temperature [room-temperature structure: Maartmann-Moe (1965 ▶). Acta Cryst. 19, 155-157]. The mol-ecule is planar with approximate D(3h) point symmetry, yet it crystallizes in the chiral ortho-rhom-bic space group P2(1)2(1)2(1) with a three-dimensional hydrogen-bonding network containing infinite O-H⋯O-H⋯O-H chains.
متن کامل1,1′-(Butane-1,4-diyl)di-1H-imidazole–benzene-1,3,5-triol–water (1/1/1)
The asymmetric unit of the title compound, C(10)H(14)N(4)·C(6)H(6)O(3)·H(2)O, contains one mol-ecule of benzene-1,3,5-triol, two half-molecules of 1,1'-butane-1,4-diyldi-1H-imidazole (each molecule is centrosymmetric) and one solvent water mol-ecule. In the crystal structure, inter-molecular O-H⋯O and O-H⋯N hydrogen bonds link all mol-ecules into a three-dimensional supra-molecular network.
متن کاملPotassium sodium (2R,3R)-tartrate tetrahydrate: the paraelectric phase of Rochelle salt at 105 K
Rochelle salt, K(+)·Na(+)·C(4)H(4)O(6) (2-)·4H(2)O, is known for its remarkable ferroelectric state between 255 and 297 K. The current investigation, based on data collected at 105 K, provides very accurate structural information for the low-temperature paraelectric form. Unlike the ferroelectric form, there is only one tartrate molecule in the asymmetric unit, and the structure displays no dis...
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متن کاملFormation of high density amorphous ice by decompression of ice VII and ice VIII at 135 K.
Monte Carlo computer simulations of ice VII and ice VIII phases have been undertaken using the four-point transferable intermolecular potential model of water. By following thermodynamic paths similar to those used experimentally, ice is decompressed resulting in an amorphous phase. These phases are compared to the high density amorphous phase formed upon compression of ice Ih and are found to ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2008
ISSN: 1600-5368
DOI: 10.1107/s1600536808030638