Table 1.

Third virial coefficients C(T) for ⁴He calculated in this work and our estimates (see Sec. 4.3) of their expanded (k = 2) uncertainties U(C)

T (K)	C (cm6 · mol−2)	U(C) (cm6 · mol−2)
2.6	292.	53.
2.8	616.	45.
3	826.	35.
3.2	950.	30.
3.5	1050.	24.
3.7	1070.	21.
4.0	1086.	17.
4.2	1075.	15.
4.5	1047.	13.
5	987.	10.
6	854.8	6.2
7	744.5	4.2
8.5	620.7	3.2
10	530.1	2.3
12	449.9	1.5
13.8033	399.8	1.1
15	373.8	1.0
17	341.91	0.82
18.689	319.86	0.70
20	307.24	0.64
24.5561	273.84	0.47
30	248.75	0.37
35	233.56	0.31
40	222.08	0.27
50	205.75	0.21
63.15	190.87	0.17
75	180.81	0.15
83.806	174.59	0.14
100	164.84	0.12
120	155.06	0.10
140	146.846	0.092
170	136.791	0.082
200	128.427	0.074
223.152	122.916	0.070
235	120.266	0.068
250	117.223	0.067
273.16	112.847	0.064
293.15	109.426	0.062
302.915	107.822	0.062
325	104.493	0.060
350	100.997	0.058
375	97.793	0.057
400	94.837	0.056
429.75	91.598	0.055
450	89.552	0.054
500	84.934	0.053
550	80.885	0.051
600	77.285	0.050
650	74.039	0.050
700	71.104	0.049
750	68.427	0.048
800	65.994	0.048
900	61.661	0.047
1000	57.949	0.047
1200	51.857	0.046
1400	47.039	0.045
1600	43.114	0.045
1800	39.842	0.044
2000	37.063	0.044
2500	31.615	0.043
3000	27.610	0.042
4000	22.039	0.041
5000	18.317	0.039
7500	12.765	0.036
10000	9.664	0.034