Figure 1
The molecular structure of the title compound, with displacement ellipsoids at the 50% probability level. [Symmetry codes: (i) −x, −y, −z; (ii) −y, x, z; (iii) y, −x, −z; (iv) −x, −y, z; (v) y, −x, z; (vi) −x + 1, −y, z; (vii) y + , −x + , −z − ; (viii) −y + , x − , −z − .] |