Figure 1
The principal building units in the structure of the title compound. Displacement ellipsoids are drawn at the 50% probability level. Symmetry codes: (i) −x + , y + , −z + ; (ii) −x + , −y + , −z + 1; (iii) −x + 1, −y + 1, −z; (iv) −x + , −y + , −z; (v) −x + 1, y, −z + ; (vi) x − , −y + , z − ; (vii) x, −y + 1, z + ; (viii) x, −y + 1, z − ; (ix) −x + 2, y, −z + ; (x) −x + 2, −y + 1, −z + 1; (xi) x + , −y + , z + ; (xii) −x + , −y + , −z + 1. |