Value for Hartree energy in eV
type: ConstantValue
has unit: EV
informative reference: http://physics.nist.gov/cuu/Constants/bibliography.html
standard uncertainty: 0.00000068
standard uncertainty SN: 6.8E-7
value: 27.21138386
value SN: 2.721138386E1
website: http://physics.nist.gov/cgi-bin/cuu/Value#mid