Francium (Z=87)
202Fr 203Fr 204Fr 205Fr 206Fr 207Fr 208Fr 209Fr 210Fr 211Fr 212Fr 213Fr 214Fr 215Fr 219Fr 220Fr 221Fr 222Fr 223Fr 224Fr 225Fr 226Fr 227Fr 228Fr
Recommended† magnetic dipole moments
Isotope Energy [keV] t1/2 Spin/Parity μ [nm] Method Recommended Tables
215Fr 1440 4 ns (19/2)- 3.1(9) TDPAD INDC(NDS)-0816
2016 4.7 ns (29/2+) 7(3) TDPAD INDC(NDS)-0816
2251 5.3 ns (33/2+) 8(2) TDPAD INDC(NDS)-0816
3069 14.6 ns (39/3-) 9.2(2) TDPAD INDC(NDS)-0816




Compiled‡ magnetic dipole and electric quadrupole moments from published articles
Isotope Energy [keV] t1/2 Spin/Parity μ [nm] Q [b] Ref. Std Method NSR keyword doi
215Fr 1500+/-75. 4 ns (21/2)+/-1 g=0.33(10) TDPAD 1984DE16 10.1016/0375-9474(84)90291-4
2016. 4.7 ns 29/2+ 7(3) TDPAD 1984DE16 10.1016/0375-9474(84)90291-4
2251. 5.3 ns 33/2+ 8(2) TDPAD 1984DE16 10.1016/0375-9474(84)90291-4
3068. 14.6 ns 39/2- 9.2(2) TDPAD 1984DE16 10.1016/0375-9474(84)90291-4

† Recommended magnetic moments are for the bare nucleus with published results corrected consistently for diamagnetism (including error estimate).
  Where appropriate published results are also adjusted to the most recent adopted half-life for the state.
  Recommended quadrupole moments are adjusted using the best electric field gradient calculation for the system concerned.
  For details see the Reports referenced.

‡ In this listing published results are given without adjustment or correction.