Value for Rydberg constant times hc in J
type: ConstantValue
has unit: http://qudt.org/vocab/unit/J
informative reference: http://physics.nist.gov/cuu/Constants/bibliography.html
standard uncertainty: 0.00000000000000000000000011
standard uncertainty SN: 1.1E-25
value: 0.00000000000000000217987197
value SN: 2.17987197E-18
website: http://physics.nist.gov/cgi-bin/cuu/Value#mid