Value for kelvin-hartree relationship
type: ConstantValue
has unit: E h
informative reference: http://physics.nist.gov/cuu/Constants/bibliography.html
standard uncertainty: 0.0000000000055
standard uncertainty SN: 5.5E-12
value: 0.0000031668153
value SN: 3.1668153E-6
website: http://physics.nist.gov/cgi-bin/cuu/Value#mid