Molecule eta=5 eta=1 eta=0.5 eta=0.1 eta=0.05 eta=0.01 eta=0.005 eta=0.001 eta=0 He 25.51 24.93 24.68 24.58 24.62 24.66 24.66 24.66 24.66 Ne 23.3 22.2 21.93 21.83 21.83 21.84 21.71 21.85 21.84 H2 16.56 16.72 16.58 16.45 16.43 None None None None Li2 4.99 5.2 5.33 5.4 5.4 5.4 5.38 None None LiH 8.38 8.6 8.49 8.25 8.24 8.27 None None None HF 17.89 17.01 16.68 16.45 None 16.43 None None None Ar 16.29 16.01 15.8 15.61 15.56 15.63 None None None H2O 14.13 13.52 13.21 12.98 12.96 12.95 None None None LiF 13.12 12.44 12.07 11.75 11.73 11.73 None None None HCl 13.19 13.09 12.91 12.77 12.77 12.75 None None None BeO 10.67 10.68 10.52 10.32 10.3 10.29 None None None CO 15.4 14.91 14.57 14.34 14.33 14.34 None None None N2 17.11 16.62 16.2 15.93 15.92 15.92 None None None CH4 15.18 15.04 14.82 14.67 14.66 14.64 None None None BH3 13.94 13.96 13.77 13.62 13.62 13.59 13.58 None None NH3 11.98 11.65 11.39 11.18 11.16 11.15 None None None BF 11.26 11.42 11.32 11.19 11.18 11.16 None None None BN 11.81 12.15 12.06 11.89 11.88 11.94 None None None SH2 10.68 10.75 10.62 10.5 10.5 10.52 None None None F2 18.34 17.01 16.58 16.27 16.22 None None None None MgO 8.98 9.15 8.91 8.54 8.51 8.48 None None None O3 13.75 13.79 13.67 13.34 13.31 13.32 None None None C2H2 11.46 11.69 11.58 11.46 11.45 None None None None HCN 13.86 14.03 13.89 13.75 13.74 None None None None B2H6 13.21 13.11 12.86 12.67 12.66 12.65 12.65 None None CH2O 12.35 11.84 11.54 11.33 11.32 11.32 None None None C2H4 10.55 10.85 10.79 10.7 10.7 None None None None SiH4 13.53 13.56 13.34 13.15 13.14 10.69 13.16 None None PH3 10.83 11. 10.88 10.76 10.76 None 10.77 None None CH4O 12.58 12.01 11.7 11.49 11.48 10.77 11.48 None None H2NNH2 10.67 10.28 10.01 9.81 9.8 9.79 None None None HOOH 13.42 12.56 12.19 11.95 11.94 None None None None KH 6.76 6.96 6.85 6.5 6.46 11.93 None None None Na2 4.56 4.77 4.92 5.03 5.04 None 5.05 None None HN3 11.34 11.27 11.09 10.92 10.9 None None None None CO2 15.17 14.65 14.35 14.12 14.1 5.05 None None None PN 12.23 12.5 12.4 12.12 12.08 12.02 None None None CH2O2 13.21 12.58 12.23 11.97 11.96 11.95 None None None C4 11.91 11.94 11.76 11.57 11.54 11.51 None None None C3H6 11.54 11.43 11.22 11.07 11.06 11.06 None None None C2H3F 10.81 10.93 10.83 10.73 10.72 10.72 10.71 None None C2H4O 11.89 11.33 11. 10.74 10.73 10.73 None None None C2H6O 12.35 11.79 11.47 11.25 11.24 None 11.24 None None C3H8 13.09 12.9 12.66 12.51 12.5 None None None None NaCl 9.75 9.66 9.47 9.25 None None None None None P2 10.18 10.49 10.48 10.43 10.43 10.45 None None None MgF2 15.67 14.92 14.54 14.23 14.21 14.24 None None None OCS 11.67 11.65 11.5 11.37 11.38 None None None None SO2 11.75 11.52 11.18 10.85 10.84 10.86 None None None C2H3Cl 10.41 10.53 10.4 10.27 10.27 10.26 None None None