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Figure 2
Part of the crystal structure of (I[link]), showing a hydrogen-bonded R[{_4^4}](8) ring and a close π–π contact (ring centroids linked by an open line) [symmetry codes: (i) [{3 \over 4}] − y, x − [{1 \over 4}], [{3 \over 4}] − z; (ii) [{1 \over 4}] + y, [{3 \over 4}] − x, [{3 \over 4}] − z; (iii) 1 − x, [{1 \over 2}] − y, z; (iv) [{1 \over 2}] − x, [{1 \over 2}] − y, [{3 \over 2}] − z]. H atoms bonded to C atoms and the unit-cell box have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 60| Part 5| April 2004| Pages o353-o355
doi:10.1107/S0108270104006882
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