Figure 1
The molecular structure of the title compound showing the ninefold environment of the Ba ion and displacement ellipsoids drawn at the 40% probability level. Blue lines indicate the trigonal–prismatic coordination core with three additional O atoms situated in the capped positions. Symmetry codes: (i) x − , −y + 1, z − ; (ii) −x + , −y + 1, z − ; (iii) −x, y, z; (iv) x, y + 1, z; (v) −x, y + 1, z. |