Dipole-Induced Polymorphs of trans-2-Hydroxycycloheptanecarboxylic Acid with Virtually the Same Unit Cell

The polymorphs of trans-2-hydroxycycloheptanecarboxylic acid have exactly the same lattice parameters and thus mimic isomorphism. They differ only in their space group:  Pna21 versus Pn21 a. In form II, the screw axes turn the 18-membered rings of hydrogen-bonded tetramers around the b axis. In this...

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Veröffentlicht in:	Journal of the American Chemical Society 2003-01, Vol.125 (1), p.34-35
Hauptverfasser:	Kálmán, Alajos, Fábián, László, Argay, Gyula, Bernáth, Gábor, Gyarmati, Zsuzsanna
Format:	Artikel
Sprache:	eng
Schlagworte:	Aliphatic, non-condensed and condensed benzenic, and alicyclic compounds Condensed matter: structure, mechanical and thermal properties Crystal binding cohesive energy Crystalline state (including molecular motions in solids) Exact sciences and technology Organic compounds Physics Structure of solids and liquids crystallography Structure of specific crystalline solids
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