Title: A simple second order thermodynamic perturbation theory for associating fluids
Author(s):

B. D. Marshall (ExxonMobil Research and Engineering, 1545 Rt. 22 East, Annandale, NJ 08801)

An approximation within Wertheim's second order perturbation theory is proposed which allows for the development of a general solution for pure component fluids with an arbitrary number and functionality of association sites. The solution is closed, concise and general for all second order effects such as ring formation, steric hindrance and hydrogen bond cooperativity. The approach is validated by comparison to hydrogen bond structure data for liquid water.

Key words: thermodynamics, classical statistical mechanics, self-assembly

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