A case of concomitant polymorphism and spontaneous resolution: the tetra­gonal phase of 5-hydroxy­methyl-7,7,N-trimethyl-6-oxabicyclo­[3.2.1]octane-1-carboxamide

Foces-Foces, C.; López-Rodríguez, M.; Pérez, C.

doi:10.1107/S010827010706862X

Acta Crystallographica Section C
Acta Crystallographica
Section CSTRUCTURAL CHEMISTRY

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Figure 2
(a) The homochiral C(8) chain, along the c axis, resulting from the linkage of the molecules via N—H⋯OH hydrogen bonds (dotted lines). (b) The three-dimensional hydrogen-bonded framework viewed down c and showing the OH⋯O=C hydrogen bonds responsible for connecting the chains. H atoms not involved in the N—H⋯OH or O—H⋯O=C hydrogen-bond interactions have been omitted for clarity. [Symmetry codes: (ii) −y + 1, x, z + $[{1\over 4}]$ ; (iii) −x + 1, −y + 1, z + $[{1\over 2}]$ ; (iv) y, −x + 1, z − $[{1\over 4}]$ ; (v) x − 1, y, z; (vi) −y + 1, x − 1, z + $[{1\over 4}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 64| Part 2| January 2008| Pages o95-o97

https://doi.org/10.1107/S010827010706862X

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