# Thermodynamics (rmgpy.thermo)¶

The rmgpy.thermo subpackage contains classes that represent various thermodynamic models of heat capacity.

## Heat capacity models¶

Class Description
ThermoData A heat capacity model based on a set of discrete heat capacity points
Wilhoit A heat capacity model based on the Wilhoit polynomial
NASA A heat capacity model based on a set of NASA polynomials
NASAPolynomial A heat capacity model based on a single NASA polynomial