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Table 2

Values of the χ factor parameters for CO2 mixtures defined in Table 1.

ν2 band (≈667 cm−1) ν3 band (≈2349 cm−1) ν1 + ν3 band (≈3737 cm−1)
CO2-CO2 α β γ α β γ α β γ



B1 0.085 1.962 0.02 0.055 −0.11 0.008 0.034 −0.4 0.0162
B2 0.0185 0.021 0.08 0.0095 0.016 2174.3 0.057
B3 0.011 0.01 0.01

CO2-N2 α β γ α β γ α β γ



B1 0.065 0.038 0.003 0.416 −0.354 0.00386 0.02 −0.354 0.0386
B2 0.018 0.055 0.02 0.0167 0.0421 0.00248 0.33 0.0421 0.00248
B3 0.0085 0.019 0.019

CO2-H2O α β γ α β γ α β γ



B1 0.075 −0.02589 0.00344
B2 0.024 −0.0166 0.00199
B3 0.0025

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