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Figure 6
Views of the different two-dimensional sheets in the (100) plane formed by the two polymorphs of (I). C—H⋯π inter­actions are shown as thin lines and H atoms not involved in these inter­actions have been omitted. (a) In polymorph (Ia)[link], chains running along the b axis, formed by C—H⋯π inter­actions, are linked together by the formation of π-stacked dimers. (b) In polymorph (Ib)[link], two sets of chains, both running along the c axis, one formed by π-stacking and C—H⋯π inter­actions and the other by different C—H⋯π inter­actions, are mutually inter­connected.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 12| November 2011| Pages o509-o514
doi:10.1107/S0108270111049900
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