The TRC Web Thermo Tables (WTT) are released in two versions: Professional and Lite Editions. As of June 16, 2009, the Professional Edition contains information on 7878 compounds and total of 997036 evaluated data points. The Lite Edition contains information on commonly-used 150 compounds and total of 409603 evaluated data points. The properties covered by both versions (33 total) are described in Help section.
The charts below provide the information on the distribution of the WTT data (for complete, Professional Edition) with respect to the molecular weight of a compound, and number of C, H, O, and N atoms per compound.
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