H Home Background Color: He Li Be Osmium Main Page Black White Gray B C N O F Ne Na Mg Osmium Pictures Page Al Si P S Cl Ar K Ca Osmium Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Isotopes of Osmium (click to see decay chain): 162Os  163Os  164Os  165Os  166Os  167Os  168Os  169Os  170Os  171Os  172Os  173Os  174Os  175Os  176Os  177Os  178Os  179Os  180Os  181Os  182Os  183Os  184Os  185Os  186Os  187Os  188Os  189Os  190Os  191Os  192Os  193Os  194Os  195Os  196Os

191Os     Half-life Fermion, 76p 115n 15.39351851852 d Spin 9/2 Parity -1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100% 191Ir Atomic Weight 190.960929718 Abundance None Mass Excess -36.393733MeV Binding Energy 7.95056MeV Magnetic Moment N/A Quadrupole Moment 2.53   Show Element Pictures. Also show decay chains leading to this isotope. Show only decays with probability >0.1%.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..