Atomic and nuclear properties of materials:
Deuterium gas (D2) (D )
QuantityValueUnits ValueUnits
Atomic number 1     
Atomic mass 2.014101764(13) g mole-1   
Specific gravity (20° C, 1 atm) 1.68E-04 g cm-3   
Mean excitation energy 19.2 eV   
Minimum ionization 2.053 MeV g-1cm2 3.444E-04 MeV cm-1
Nuclear collision length 51.3 g cm-2 3.062E+05 cm
Nuclear interaction length 71.8 g cm-2 4.280E+05 cm
Pion collision length 81.4 g cm-2 4.855E+05 cm
Pion interaction length 110.1 g cm-2 6.567E+05 cm
Radiation length 125.98 g cm-2 7.512E+05 cm
Critical energy 345.50 MeV (for e-) 339.03 MeV (for e+)
Molière radius 7.73 g cm-2 4.611E+04 cm
Plasma energy 0.26 eV   
Muon critical energy 1858. GeV   
Boiling point @ 1 atm 23.65 K -249.5 C
Triple point 18.69 K -254.5 C
Index of refraction (@ STP, Na D) 138. (n-1)x106     
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients