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I am looking to investigate the relation between experimental enthalpies of solution and theoretical enthalpies of solution calculated using theoretical equations for the lattice enthalpy and hydration enthalpy for ionic salts. I read that because of the covalent nature of ionic salts with a lower difference in electronegativity, the experimental lattice enthalpy of these salts is actually greater than would be expected theoretically. Would this be worth investigating?

To investigate this, I am looking for public databases with data for the solution enthalpy and ionic radii of ionic salts however I cannot find any other than the CRC handbook for physics and chemistry (and only the 85th version; would it be better to get a more recent version or should these data be the same in more recent versions?). I would like to use more than one database so could someone please let me know of any other public databases with these data?

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You can refer to the NIST Chemistry WebBook for thermodynamic data by species or reactions. I also found a database for lattice enthalpy here. For ionic radii, you can refer to this database.

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  • $\begingroup$ I am trying to find data for the enthalpy of solution specifically but I can't find it anywhere other than the CRC handbook. The NIST chemistry webbook does not seem to include it either. Do you know where I could find data for the enthalpy of solution? $\endgroup$
    – planckton
    Sep 6, 2021 at 18:24
  • $\begingroup$ I made a brief search and found similar results...Maybe you should look for research papers on specific compounds instead. $\endgroup$
    – Lynn Gu
    Sep 7, 2021 at 4:45

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