nist data tables

This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. best efforts to deliver a high-quality copy of the database and to verify that the

As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. National Institute of Standards and Technology JS. The periodic table contains NIST’s latest critically evaluated data for atomic properties of the elements. Formula Browser: Locates chemicalspecies by building up a chemical formula in Hill order. Thermophysical Properties Division

Where available, values are given for the enthalpy of formation, Gibbs energy of formation, entropy, and heat capacity at 298.15 K (25 degrees C), the enthalpy difference between 298.15 and 0 K and the enthalpy of formation at 0 K. All values are given in SI units and are for a standard state pressure of 100 000 pascal. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. Before sharing sensitive information, make sure you’re on a federal government site. [1, 2, 3, 4, 5, 6]. These data include the following: Please follow the steps below to select the data required. Values are not given for alloys or other solid solutions, fused salts or for substances of undefined composition. [7, 8] are included, also. © 1989, 1990, 1996 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. The properties covered by both versions (32 total) are described in Properties and Implemented Models. regression, only the 50 most-constraining points are reported), National Institute of Standards and Technology, Triple point temperature (Crystal 1, Liquid, and Gas), Triple point temperature (Crystal 2, Crystal 1, and Gas), Triple point temperature (Crystal 3, Crystal 2, and Gas), Normal boiling temperature (Liquid and Gas), Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure, Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature, Phase boundary pressure (Crystal 1 in equilibrium with Liquid) as a function of Temperature, Density (Liquid in equilibrium with Gas) as a function of Temperature, Density (Gas in equilibrium with Liquid) as a function of Temperature, Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas), Enthalpy of phase transition (Crystal 2 to Crystal 1 in equilibrium with Gas), Enthalpy of phase transition (Crystal 3 to Crystal 2 in equilibrium with Gas), Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature, Heat capacity at saturation pressure (Liquid in equilibrium with Gas) as a function of Temperature, Heat capacity at saturation pressure (Crystal 3 in equilibrium with Gas) as a function of Temperature, Heat capacity at saturation pressure (Crystal 2 in equilibrium with Gas) as a function of Temperature, Heat capacity at saturation pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature, Heat capacity at constant pressure (Ideal Gas) as a function of Temperature, Enthalpy (Crystal 3 in equilibrium with Gas) as a function of Temperature, Enthalpy (Crystal 2 in equilibrium with Gas) as a function of Temperature, Enthalpy (Crystal 1 in equilibrium with Gas) as a function of Temperature, Enthalpy (Liquid in equilibrium with Gas) as a function of Temperature, Enthalpy (Ideal Gas) as a function of Temperature, Entropy (Crystal 3 in equilibrium with Gas) as a function of Temperature, Entropy (Crystal 2 in equilibrium with Gas) as a function of Temperature, Entropy (Crystal 1 in equilibrium with Gas) as a function of Temperature, Entropy (Liquid in equilibrium with Gas) as a function of Temperature, Entropy (Ideal Gas) as a function of Temperature and Pressure, Refractive index (Liquid) as a function of Wavelength, Temperature, and Pressure, Surface tension (Liquid in equilibrium with Gas) as a function of Temperature, Viscosity (Liquid in equilibrium with Gas) as a function of Temperature, Viscosity (Gas) as a function of Temperature and Pressure, Thermal conductivity (Gas) as a function of Temperature and Pressure, Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature. Condensed Matter Physics Data. 1.

These data were generated through dynamic data analysis, as implemented in the the program and database.

The TRC Thermodynamic Tables - Hydrocarbons and the TRC Thermodynamic Tables - Non-Hydrocarbons are technical resources used extensively by the petrochemical industry. The site is secure. Your web browser must have JavaScript enabled methods and data contained therein have been selected on the basis of sound Please select the desired standard state convention. Developed by Kenneth Kroenlein, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky,

Gaithersburg MD 20899, ©2012 copyright by the US Secretary of Commerce on

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Your web browser must have JavaScript enabled Some critically evaluated data 3. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. Technology, Office of Data J. H. Hubbell+ and S. M. Seltzer Compounds of the transuranium elements are not included. PDF without crop marks | PDF with crop marks, Formerly known as Standard Reference Database (SRD) 145, but reclassified as an information compilation to be consistent with the Standard Reference Data Act of 1968 and, as amended, January 2017.Customer Support All rights reserved. Those with a … Click All Thermocouple ... NIST Data home page, and NIST other online databases. 2. Yuri Ralchenko Before sharing sensitive information, make sure you’re on a federal government site. The National Institute of Standards and Technology is an agency of the U.S. Department of Commerce. and Informatics. Standard Reference Data Program The PDF is suitable for high-resolution color printing for desk or wall-chart display. Thermophysical Properties Division scientific judgement. The NIST Chemistry WebBook contains: Thermochemical data for over 7000 organic and small inorganic compounds: Enthalpy of formation; Enthalpy of combustion; Heat capacity ; Entropy; Phase transition enthalpies and temperatures; Vapor pressure; Reaction thermochemistry data for over 8000 reactions… All rights reserved. Boulder CO 80305-3337. Group Leader: Chris Muzny NIST, 647.01 325 Broadway Boulder, CO 80305-3337 Phone: (303) 497-5549 Fax: (303) 497-5044 chris.muzny@nist.gov

shall not be liable for any damage that may result from errors or omissions in *Surface tension values are Copyright for NIST Standard Reference Data is governed by

Tables of Thermoelectric Voltages and Coefficients for Download Definitions and Format Click the desired type to download a table of thermoelectric voltages and coefficients of that type. 1 Include these two files CSS. Accurate thermophysical properties are available for Gaithersburg MD 20899, ©2012 copyright by the US Secretary of Commerce on Authors in technical and scientific journals regularly cite the Tables as as reputable source of evaluated thermophysical and thermodynamic data. Questions and comments should be addressed to Dr. Michael Frenkel . from the historical © 2018 by the U.S. Secretary of Commerce behalf of the United States of America. This database consists of evaluated data for use in total-energy calculations of electronic structure by density-functional theory. NIST/TRC Web Thermo Tables (WTT) NIST Standard Reference Subscription Database 3 - Professional Edition Version 2-2012-1-Pro This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics.

National Institute of Standards and Technology An official website of the United States government. Thermodynamics Research Center (TRC) Some critically evaluated data Elements in the periodic table with a dark blue background have NIST-JANAF Tables. Standard Reference Data Program

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