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. 2021 Oct 25;33(21):8323–8333. doi: 10.1021/acs.chemmater.1c02526

Table 1. Kinetic Diameter, Molecular Weight, Quadrupole Moment, and Critical Temperature of Various Gas Species45.

gas species kinetic diameter [nm] molecular weight [g/mol] quadrupole moment [cm2] ×1040 critical temperature [K]
He 0.26 4.00 0.00 5.19
CO2 0.33 44.01 –13.71 304.13
Ar 0.34 39.94 0.00 151.00
N2 0.36 28.01 –4.91 126.20