Ge<sub>2</sub>ZrO<sub>6</sub>F<sub>2</sub>·(H<sub>2</sub>DAB)H<sub>2</sub>O:<sup>1</sup>  A 4-Connected Microporous Material with “Bow Tie” Building Units and an Exceptional Proportion of 3-Rings

Ge<sub>2</sub>ZrO<sub>6</sub>F<sub>2</sub>·(H<sub>2</sub>DAB)H<sub>2</sub>O:<sup>1</sup>  A 4-Connected Microporous Material with “Bow Tie” Building Units and an Exceptional Proportion of 3-Rings