Figure 1
A view of the asymmetric unit of the title compound completed by equivalent atomic positions, showing the principal structural units. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) −x + 1, −y + 1, −z + 1; (ii) x, y + 1, z; (iii) −x + 1, −y + 1, −z + 2; (iv) x + 1, y, z.] |