Figure 3
The environment of the Al04 atom. Displacement ellipsoids are given at the 90% probability level. Symmetry codes: (ii) x − y + , x − , −z + ; (iii) y + , −x + y + , −z + ; (viii) −y + 1, x − y, z; (ix) −x + y + 1, −x + 1, z; (xviii) −x + , −y + , −z + . |