Software to compute quantum mechanical and thermodynamics properties of ions

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SUMMARY

This discussion focuses on the computation of quantum mechanical and thermodynamic properties of alkali-chloride ions using GAMESS and OpenThermo v1.0.0.beta. The user employs GAMESS for quantum mechanical calculations, including vibration frequency and equilibrium geometry. For thermodynamic functions such as heat capacity and Gibbs free energy, the Open Source Thermodynamic Library (OSTL) is recommended as an alternative to OpenThermo, especially for users unfamiliar with the latter. OSTL supports multiple programming languages, enhancing its accessibility for various applications.

PREREQUISITES
  • Familiarity with GAMESS for quantum mechanical calculations
  • Understanding of thermodynamic properties such as heat capacity and Gibbs free energy
  • Basic knowledge of programming languages like C++, Python, or Fortran
  • Experience with mass spectroscopy techniques
NEXT STEPS
  • Explore the functionalities of the Open Source Thermodynamic Library (OSTL)
  • Learn how to implement GAMESS for advanced quantum mechanical calculations
  • Investigate alternative software options for thermodynamic property calculations
  • Study the principles of mass spectroscopy in relation to thermodynamic properties
USEFUL FOR

This discussion is beneficial for researchers and scientists working in the fields of quantum mechanics and thermodynamics, particularly those focusing on alkali-chloride ions and related computational methods.

kthouz
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Hello!
I am doing an investigation on thermodynamic propeties of certains heavy ions "Alkali-Cloride" ions on the basis of mass spectroscopy and quantum mechanical calculations. For that i use GAMESS as a computer tool to study quantum mechanical properties of those ions (vibration frequency (harmonic and anharmonic), geometry structure of equibrium, ...). The results from GAMESS should allow me to use them in another software to compute thermodynamic functions of those ions, that is, heat capacity, gibbs function, enthalpy, entropy, ... in terms of temperature. Actuallly i was using a software called OpenThermo v1.0.0.beta. The problem is that my director is not used with it. So does anyone else know another that could help me handle that easily?
 
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You may want to try using the Open Source Thermodynamic Library (OSTL). OSTL is a library of thermodynamic functions for a wide variety of substances, including alkali-chloride ions. It includes functions for calculating heat capacity, Gibbs free energy, enthalpy, entropy, and many other thermodynamic properties. Additionally, OSTL can be used with a wide variety of programming languages, including C++, Python, Fortran, and others.
 
Time reversal invariant Hamiltonians must satisfy ##[H,\Theta]=0## where ##\Theta## is time reversal operator. However, in some texts (for example see Many-body Quantum Theory in Condensed Matter Physics an introduction, HENRIK BRUUS and KARSTEN FLENSBERG, Corrected version: 14 January 2016, section 7.1.4) the time reversal invariant condition is introduced as ##H=H^*##. How these two conditions are identical?

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