Figure 2
(a) The arrangement of the H3P2O6− anions in (I) within the hydrogen-bonded three-dimensional network (viewed down the a axis). (b) The isolated [KO6] octahedra located in the anionic network (viewed down the b axis). O—H⋯O hydrogen bonds are shown as dashed lines. [Symmetry codes: (vii) −x + , y + , −z + ; (viii) −x + , y − , −z + .] |