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Figure 5
Space-filling view (van der Waals radii) of the staircase-like π-stacking for three layers (A, B and A′) of mol­ecules in the crystal lattice of (II)[link]. The two experimentally distinct inter­planar separations are indicated, leading to the packing sequence ABA′B′AB…, etc. Each mol­ecule constitutes a `step' and is hydrogen bonded to the preceding and next step in the `staircase' (as in Fig. 4[link]).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 66| Part 10| September 2010| Pages o513-o516
doi:10.1107/S0108270110036218
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