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LITlib - Excel Power Functions Pack
Add-in for Excel that adds additional cell functions to Excel.

litLIB Help - AtomVdWRadius function
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Chemistry - AtomVdWRadius

= AtomVdWRadius(Atom)

Returns the van der Waals radius of the given atom in Angstrom (1E-10 m).
The v/d Waals radius is half the minimum distance between the nuclei of two atoms of the element that are not bound. There is no covalent bond in this situation, just weak interactions, hence v/d Waals radius.

Atom: atom number of symbol.

Returns: 1.55