. Author manuscript; available in PMC: 2013 Oct 9.

Published in final edited form as: J Chem Theory Comput. 2012 Mar 12;8(10):3769–3776. doi: 10.1021/ct300024z

Table 1.

Propagated errors in free energy at different levels of truncation at the isoenergetic point for small microstate energy errors.

	1^st order	2^nd order	4^th order	MC results
Systematic Error	0	−0.420	−0.272	−0.293
Random Error	0.707	0.569	0.653	0.780