The letter in the first column indicates the source of the experimental data; the second column contains an abbreviation for the source of the theoretical curve. Approximate references are given in the key below, with the full references to be found in the full article. Key (Full references can be found in the full article) S=Smoothed ADNDT values R=Raw data obtained by LAV from graphs of I. Dotan et al. (1979), SMH=CI potential of Simpson, Maclagan and Harland, J. Phys. B 20 (1987) 2723. A_T=Tang-Toennies potential from Ahlrichs et al., J. Chem. Phys. 88 (1988) 6290 KMV=Model Potential of Koutselos et al. (1990) ETT=Tang-Toennies potential from Ahlrichs et al., J. Chem. Phys. 98 (1993) 3579 DD=Directly-Determined Potential of Kirkpatrick and Viehland (1996). AHT=CCSD(T) Potential of Archibong et al. (1998), as extended by LAV Now=Present Potential F- in He T E/N range N % Expt % Calc delta chi S SMH 153 8.0- 20.0 5 5.000 0.200 2.17824 2.23859 S SMH 200 8.0- 30.0 7 5.000 0.200 1.02164 1.11416 S SMH 297 2.0- 50.0 10 5.000 0.200 2.08595 2.17952 50.0-220.0 9 4.000 0.200 0.60203 0.68774 2.0-220.0 19 1.38304 1.65052 R SMH 297 2.0- 50.0 27 5.000 0.200 1.62629 1.79236 50.0-220.0 28 4.000 0.200 0.56146 0.73792 2.0-220.0 55 1.08420 1.36172 S SMH 298 8.0- 25.0 6 5.000 0.200 1.20743 1.29703 S SMH 523 8.0- 30.0 7 5.000 0.200 -0.13342 0.16308 S A_T 153 8.0- 20.0 5 5.000 0.100 4.66053 4.77240 S A_T 200 8.0- 30.0 7 5.000 0.100 11.76466 11.99388 S A_T 297 2.0- 50.0 10 5.000 0.100 3.57539 3.74018 50.0-220.0 9 4.000 0.100 1.99732 1.99895 2.0-220.0 19 2.82788 3.04226 R A_T 297 2.0- 50.0 27 5.000 0.100 2.79413 3.07306 50.0-220.0 28 4.000 0.100 1.78127 1.79923 2.0-220.0 55 2.27850 2.50680 S A_T 298 8.0- 25.0 6 5.000 0.100 2.55957 2.67352 S A_T 523 8.0- 30.0 7 5.000 0.100 0.66933 0.68741 S KMV 153 8.0- 20.0 5 5.000 0.100 1.89283 2.00003 S KMV 200 8.0- 30.0 7 5.000 0.100 0.59105 0.79875 S KMV 297 2.0- 50.0 10 5.000 0.100 1.58985 1.72729 50.0-220.0 9 4.000 0.100 0.27075 0.36762 2.0-220.0 19 0.96501 1.27840 R KMV 297 2.0- 50.0 27 5.000 0.100 1.12253 1.36678 50.0-220.0 28 4.000 0.100 0.18628 0.44817 2.0-220.0 55 0.64589 1.00961 S KMV 298 8.0- 25.0 6 5.000 0.100 0.68647 0.84793 S KMV 523 11.2- 30.0 5 5.000 0.100 -0.71268 0.72061 S ETT 153 8.0- 20.0 5 5.000 0.100 1.55955 1.56041 S ETT 200 8.0- 30.0 7 5.000 0.100 1.06302 1.06645 S ETT 297 2.0- 50.0 10 5.000 0.100 2.43980 2.45441 50.0-220.0 9 4.000 0.100 1.65168 1.74993 2.0-220.0 19 2.06648 2.14968 R ETT 297 2.0- 50.0 27 5.000 0.100 2.23914 2.26536 50.0-220.0 28 4.000 0.100 1.69889 1.84017 2.0-220.0 55 1.96410 2.05990 S ETT 298 8.0- 25.0 6 5.000 0.100 1.60966 1.63127 S ETT 523 8.0- 25.0 6 5.000 0.100 1.60966 1.63127 S DD 153 8.0- 20.0 5 5.000 0.100 0.00092 0.14565 S DD 200 8.0- 30.0 7 5.000 0.100 -0.64528 0.64741 S DD 297 2.0- 50.0 10 5.000 0.100 0.45626 0.53486 50.0-220.0 9 4.000 0.100 -0.11681 0.14082 2.0-220.0 19 0.18481 0.39995 R DD 297 2.0- 50.0 27 5.000 0.100 0.25740 0.42996 50.0-220.0 28 4.000 0.100 -0.27600 0.37685 2.0-220.0 55 -0.01415 0.40380 S DD 298 8.0- 25.0 6 5.000 0.100 -0.31922 0.40473 S DD 523 8.0- 30.0 7 5.000 0.100 -1.31355 1.31929 S AHT 153 8.0- 20.0 5 5.000 0.100 0.03095 0.06804 S AHT 200 8.0- 30.0 7 5.000 0.100 -0.51662 0.52150 S AHT 297 2.0- 50.0 10 5.000 0.100 0.64254 0.68257 50.0-220.0 9 4.000 0.100 0.15168 0.29946 2.0-220.0 19 0.41002 0.53637 R AHT 297 2.0- 50.0 27 5.000 0.100 0.49158 0.56528 50.0-220.0 28 4.000 0.100 0.07417 0.42066 2.0-220.0 55 0.27908 0.49694 S AHT 298 8.0- 25.0 6 5.000 0.100 -0.13330 0.26296 S AHT 523 8.0- 30.0 7 5.000 0.100 -1.04145 1.05110 S Now 153 8.0- 20.0 5 5.000 0.100 0.00408 0.06671 S Now 200 8.0- 30.0 7 5.000 0.100 -0.54731 0.55201 S Now 297 2.0- 50.0 10 5.000 0.100 0.61050 0.65155 50.0-220.0 9 4.000 0.100 0.14976 0.32918 2.0-220.0 19 0.39225 0.52418 R Now 297 2.0- 50.0 27 5.000 0.100 0.47092 0.54211 50.0-220.0 28 4.000 0.100 0.08702 0.45081 2.0-220.0 55 0.27548 0.49773 S Now 298 8.0- 25.0 6 5.000 0.100 -0.16898 0.28034 S Now 523 8.0- 30.0 7 5.000 0.100 -1.06198 1.07269 F- in Ar T E/N range N % Expt % Calc delta chi S KMV 297 2.0- 27.0 7 5.000 0.100 0.40690 0.41844 27.0- 75.0 3 5.000 1.000 0.11299 0.14029 75.0-227.0 6 4.000 1.000 0.06338 0.14020 227.0-280.0 2 4.000 0.100 0.21163 0.21711 2.0-280.0 18 0.22171 0.28838 S Now 297 2.0- 27.0 7 5.000 0.100 0.32003 0.33541 27.0- 75.0 3 5.000 1.000 -0.06062 0.08693 75.0-227.0 6 4.000 1.000 -0.38120 0.39672 227.0-280.0 2 4.000 0.100 -0.40449 0.40458 2.0-280.0 18 -0.05766 0.34009