Xe
Xe provides ideal gas thermodynamic properties for xeon valid over the temperature range from 200 K to 6000 K based on the property information in McBride et al. (2002).
Bonnie J. McBride, Michael J. Zehe, and Sanford Gordon
"NASA Glenn Coefficients for Calculating Thermodynamic Properties of Individual Species"
NASA/TP-2002-211556, Sept. 2002
https://www.grc.nasa.gov/WWW/CEAWeb/
The reference state for specific enthalpy is 0 at 25 C. The reference state for specific entropy is 169.573 kJ/kmol-K at 298.15 K and 101.3 kPa.
The viscosity correlation is from:
"Reference Correlation for the Viscosity of Xenon from the Triple Point to 606 K and Pressures up to 400 MPa"
Danai Velliadou, Marc J. Assael, Konstantinos D. Antoniadis, Richard A Perkins, Marcia L.Huber
International Journal of Thermophysics (2021) 42:74, https://doi.org/10.1007/s10765-021-02818-9}
The thermal conductivity is from:
"Reference Correlation for the Thermal Conductivity of Xenon from the Triple Point to 606 K and Pressures up to 400 MPa"
Danai Velliadou, Marc J. Assael, Konstantinos D. Antoniadis,Marcia L. Huber
International Journal of Thermophysics (2021) 42:51, https://doi.org/10.1007/s10765-021-02803-2}
Note that Xe provides thermodynamic properties assuming ideal gas behavior. Use Xenon to provide real fluid properties in the subcooled, saturated mixture, and superheated regimes.