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When the adsorption capacity of CO2 is relatively large, the paper will say that because the quadrupole moment of CO2 is relatively large, is the adsorption capacity related to the quadrupole moment?
It should be related, because N2 is often used as the adsorption of BET because it has a large quadrupole moment, and the electric quadrupole rectangle is generated because the charge on the nucleus deviates from the spherical symmetry (that is, completely symmetrical) distribution. Because Ar has no quadrupole moment, it is not used for specific surface adsorption.