Hard sphere: virial coefficients

• hard disks: dimension =2
• hard spheres: dimension =3

Virial / Dimension	2	3	4	5	6	7	8
$B_{3}/B_{2}^{2}$	0.782004...	0.625	0.506340...	0.414063...	0.340941...	0.282227...	0.234614...
$B_{4}/B_{2}^{3}$	0.53223180...	0.2869495...	0.15184606...	0.0759724807...	0.03336314...	0.00986494662...	-0.00255768...
$B_{5}/B_{2}^{4}$	0.33355604(1)	0.110252(1)	0.0357041(17)	0.0129551(13)	0.0075231(11)	0.0070724(10)	0.00743092(93)
$B_{6}/B_{2}^{5}$	0.1988425(42)	0.03888198(91)	0.0077359(16)	0.0009815(14)	-0.0017385(13)	-0.0035121(11)	-0.0045164(11)
$B_{7}/B_{2}^{6}$	0.1148728(43)	0.01302354(91)	0.0014303(19)	0.0004162(19)	0.0013066(18)	0.0025386(16)	0.0034149(15)
$B_{8}/B_{2}^{7}$	0.0649930(34)	0.0041832(11)	0.0002888(18)	-0.0001120(20)	-0.0008950(30)	-0.0019937(28)	-0.0028624(26)
$B_{9}/B_{2}^{8}$	0.0362193(35)	0.0013094(13)	0.0000441(22)	0.0000747(26)	0.0006673(45)	0.0016869(41)	0.0025969(38)
$B_{10}/B_{2}^{9}$	0.0199537(80)	0.0004035(15)	0.0000113(31)	-0.0000492(48)	-0.000525(16)	-0.001514(14)	-0.002511(13)

This table is taken directly from Table 1 in Ref. 2.

See also

• Kolafa and Rottner equation of state

References

1. Stanislav Labík, Jirí Kolafa, and Anatol Malijevský, "Virial coefficients of hard spheres and hard disks up to the ninth", Physical Review E 71 pp. 021105 (2005)
2. Nathan Clisby and Barry M. McCoy "Ninth and Tenth Order Virial Coefficients for Hard Spheres in D Dimensions", Journal of Statistical Physics 122 pp. 15-57 (2006)
3. Marvin Bishop, Nathan Clisby and Paula A. Whitlock "The equation of state of hard hyperspheres in nine dimensions for low to moderate densities", Journal of Chemical Physics 128 034506 (2008)
4. René D. Rohrmann, Miguel Robles, Mariano López de Haro, and Andrés Santos "Virial series for fluids of hard hyperspheres in odd dimensions", Journal of Chemical Physics 129 014510 (2008)