Osmium (Os)
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Atomic Data for Osmium (Os)
Atomic Number = 76
Atomic Weight = 190.2
Reference E95
Isotope Mass Abundance Spin Mag Moment
184Os 183.952488 0.02% 0
186Os 185.953830 1.58% 0
187Os 186.955741 1.6% 1/2 +0.0646
188Os 187.955860 13.3% 0
189Os 188.958137 16.1% 3/2 +0.6599
190Os 189.958436 26.4% 0
192Os 191.961476 41.0% 0
Os I Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d66s2 5D4
Ionization energy 68058.9 cm-1 (8.43823 eV) Ref. CLS97
Os II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d66s 6D9/2