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Overview of Atomic Units

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    Overview

    Two of the more important units are the Bohr radius and the hartree:

    • Bohr radius: atomic unit of length

    • Hartree: the Coulomb repulsion between two electrons separated by one bohr

    Many times it is useful to express Hartrees, a unit of energy, in more familiar terms, specifically joules and/or kilocalories per mole. A table of constants and conversion factors is provided to assist in converting values appropriately!

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