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    • NIST Web Thermo Tables (WTT) - Lite Edition - SRD 202

    Metadata Updated: July 9, 2025

    The Web Thermo Tables (WTT) are a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package. Also included are some critically evaluated data from the historical TRC Thermodynamic Tables archive. The Lite Edition is a subset of the data for commonly-used pure compounds. For the full data set please see the Professional Edition (http://www.nist.gov/srd/nistwebsub3.cfm)

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    http://wtt-lite.nist.gov/wtt-lite/help/toc.html

    Dates

    Metadata Created Date March 11, 2021
    Metadata Updated Date July 9, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from NIST

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 11, 2021
    Metadata Updated Date July 9, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier FDB5909746935200E043065706813E54155
    Language en
    Data Last Modified 2012-01-01 00:00:00
    Rights This is a paid resource. Price depends on the number of users licensed. Ordering information is linked to from the main page.
    Category Standards:Reference data
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id fed1ded4-1382-4cd3-8147-01f6e4c8c6bd
    Harvest Source Id 74e175d9-66b3-4323-ac98-e2a90eeb93c0
    Harvest Source Title NIST
    Homepage URL https://www.nist.gov/srd/nist-standard-reference-database-202-web-thermo-tables-wtt-lite-edition
    License https://www.nist.gov/open/license
    Program Code 006:052
    Related Documents http://wtt-lite.nist.gov/wtt-lite/help/toc.html
    Source Datajson Identifier True
    Source Hash b3e4c8f579678e31f10b5cc5b1ebc6c18a06c8e527955aad1597aff9c40dedf5
    Source Schema Version 1.1

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