{
    "byline": null,
    "dir": null,
    "excerpt": "\"Chemical accuracy\" in computational chemistry, is commonly understood to be 1\u00a0kcalmol, or about 4\u00a0kJmol. Spectroscopic accuracy is 1\u00a0kJmol, and that definition has intuitive sense. However, where does the 1\u00a0kcalmol quantity come from?",
    "length": 3815,
    "siteName": null,
    "title": ""
}