Figure 3
A fragment of the structure of (II), showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) −x + 1, −y + 1, −z + 1; (ii) x − 1, y − 1, z − 1; (iii) −x, −y, −z; (iv) x + 1, y + 1, z + 1.] |