Table 3 Binding energy of CO2 with MMA/BA/monomer copolymers (ΔECO2), in kJ·mol−1. Distance between CO2 and the polymer (D), in Å. C=O bond length (Ri), in Å, and O=C=O angle (α), in degrees, of CO2 molecule.
Am | AEMH | BS | GMA | HEMA | MClA | NaSS | |
|---|---|---|---|---|---|---|---|
ΔECO2 | − 13.4 | − 14.7 | − 9.5 | − 18.3 | − 24.2 | − 14.7 | − 33.4 |
D | 3.008 | 2.230 | 3.697 | 3.038 | 2.208 | 3.074 | 3.072 |
R1 | 1.163 | 1.164 | 1.165 | 1.164 | 1.167 | 1.167 | 1.174 |
R2 | 1.167 | 1.150 | 1.165 | 1.166 | 1.163 | 1.163 | 1.156 |
α | 176.7 | 176.5 | 179.2 | 177.0 | 177.4 | 178.2 | 175.8 |