Tizanidine and tizanidine hydro­chloride: on the correct tautomeric form of tizanidine

Bekö, S.L.; Thoms, S.D.; Schmidt, M.U.; Bolte, M.

doi:10.1107/S0108270111052012

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 6
Packing diagram of tizanidine hydrochloride, (II)

. H atoms not involved in hydrogen bonds have been omitted for clarity and hydrogen bonds are drawn as dashed lines. [Symmetry codes: (A) x, −y + $[{3\over 2}]$ , z − $[{1\over 2}]$ ; (B) −x + 1, y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (C) −x + 1, −y + 1, −z; (D) −x + 1, −y + 1, −z + 1; (E) −x + 1, y − $[{1\over 2}]$ , −z + $[{3\over 2}]$ ; (F) x, −y + $[{3\over 2}]$ , z + $[{1\over 2}]$ ; (G) x, y, z + 1; (H) −x + 1, y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (I)

−x + 1, y − $[{1\over 2}]$ , −z − $[{1\over 2}]$ ; (J) x, −y + $[{3\over 2}]$ , z + $[{3\over 2}]$ ; (K) −x + 1, y + $[{1\over 2}]$ , −z + $[{3\over 2}]$ ; (L) x, −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ ; (M) x, −y + $[{1\over 2}]$ , z + $[{1\over 2}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 68| Part 1| December 2012| Pages o28-o32

doi:10.1107/S0108270111052012

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