Hartree

{
  "id": "MLC-T-CHM-005112",
  "term": "Hartree",
  "field": "Chemistry",
  "definition": "The unit of energy in the Hartree atomic units system, also known as the hartree energy. It is defined as twice the ionization energy of a hydrogen atom in its ground state, assuming an infinitely heavy nucleus. One hartree is equal to approximately 4.359 x 10⁻¹⁸ joules or 27.211 electronvolts.",
  "subject": "Physical and Biophysical Chemistry",
  "references": [
    "Green Book, 2nd ed., p. 76 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/hartree/"
}