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Figure 2 . A fragment of the hydrogen bonded ribbon as seen approximately along the [100] direction. The hydrogen-bonding interactions are shown as dashed lines. Symmetry codes: (i) x, y, z; (ii) −x, −y, 1-z; (iii) 1-x, −y, 2-z; (iv) 1+x, y, 1+z. |
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