Figure 1
The molecular structures of (a) (I) and (b) (II), with displacement ellipsoids drawn at the 30% probability level. H atoms, except for those of the water molecule, have been omitted for clarity. [Symmetry codes: (i) −x + 1, y, −z − ; (ii) −x + , −y + , −z; (iii) −x + 1, y, −z + ; (iv) x, −y + 2, z + .] |