Figure 1
A view of the structure of (I), showing the atom-numbering scheme and coordination polyhedra for Ni and Ba atoms; displacement ellipsoids were drawn at the 30% probability level. [Symmetry codes: (i) x, −y + 1, z − ; (ii) x + , −y + , z − ; (iii) x, −y + 1, z + ; (iv) x + , y − , z; (v) x + , −y + , z + .] |