Isotopic abundance 4.1(1)%

Ground state properties:
&mu = 0.875479(9) nm
Q = 0.150(15) b

Excited state properties:
E = 93.312(5) keV
E_R = 6.9833(3) 10^-2 eV
&mu = 0.587(11) nm
Q = 0
T_1/2 = 9070(40) ns
W = 0.000323(9) mm/s

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Unit Conversion:
1mm/s = 75.261(4) MHz
1mm/s = 3.1126(2) 10^-7eV