Properties of Metal-Doped Covalent Organic Frameworks and Their Interactions with Sulfur Dioxide

Figure 2

Optimized geometries of all the metal-doped COF-105 complexes. Dark yellow: Si; dark grey: C; grey: H; pink: B; red: O; purple: Li; blue: Na; green: K; breen: Sc. Partial atom numbers of C, B, and O atoms were presented. (a) Li@COF-105. (b) Na@COF-105. (c) K@COF-105. (d) Sc@COF-105.

(a)

(b)

(c)

(d)