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Figure 3
Side views of a fragment of the crystal structure of 1, illustrating the hydrogen-bonding scheme of the L-histidinium cation (dotted lines). [Symmetry codes: (i) x, y, −z + 1; (ii) −x + 1, y + [{1\over 2}], −z + 1; (iii) −x, y + [{1\over 2}], −z + 1; (iv) −x + 1, y − [{1\over 2}], −z + 1; (v) −x + 1, y, z; (vi) −x, [{1\over 2}] + y, −z].

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 81| Part 12| December 2025| Pages 1158-1163
https://doi.org/10.1107/S2056989025010023
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