Fig. 1.
View of the title compound with the atom numbering scheme. Displacement ellipsoids for non-H atoms are drawn at the 50% probability level. H atoms have been omitted for clarity.[Symmetry codes: (i) x, y + 1, z; (ii)-x, -y, -z + 1; (iii) -x, -y + 1, -z; (iv) x + 1, y, z; (v) x + 1, y + 1, z; (vi) -x + 1, -y, -z + 1.]
