|
Figure 4 Part of the crystal structure of (I) showing the formation of edge-fused (28) rings along [001]. [Symmetry codes: (i) − x, −y, + z; (ii) x, − y, + z; (iii) − x, + y, z; (iv) − x, −y, − + z]; (v) x, − y, − + z; (vi) x, y, −1 + z; (vii) − x, y, −1 + z. |