Figure 1
A fragment of the crystal structure of the title compound showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level. [Symmetry codes: (i) 1 − x, 1 − y, +z; (ii) y, 1 − x, +z; (iii) 1 − y, x, z; (iv) 1 − z, y, −1 + x; (v) 2 − x, 1 − y, z; (vi) 1 + z, y, 1 − x; (vii) x, 1 − y, −z]. |