fig2
![K<sub>6</sub>Sn<sub>4</sub>F<sub>12</sub>I<sub>2</sub>•0.5H<sub>2</sub>O: a zero-dimensional alkali metal tin mixed halide compound exhibiting color change due to crystal water loss](https://image.oaes.cc/cf1facb6-752f-4859-bd54-fda1ab9fd943/4474.fig.2.jpg)
Figure 2. (A) [Sn4F12] supertetrahedra, [I4] tetrahedra and [K18] cage. (B) [Sn4F12I4] fundamental structural block in [K18] cage. Upper panel, view along the [210] direction, and lower panel, view along the a-axis. (C) Structure of K6Sn4F12I2•0.5H2O.