Atomic and nuclear properties of carbon dioxide gas (CO2)
QuantityValueUnits ValueUnits
<Z/A> 0.49989     
Specific gravity (20° C, 1 atm) 1.842E-03 g cm-3   
Mean excitation energy 85.0 eV   
Minimum ionization 1.819 MeV g-1cm2 3.351E-03 MeV cm-1
Nuclear collision length 60.7 g cm-2 3.297E+04 cm
Nuclear interaction length 88.9 g cm-2 4.828E+04 cm
Pion collision length 87.9 g cm-2 4.772E+04 cm
Pion interaction length 120.8 g cm-2 6.555E+04 cm
Radiation length 36.19 g cm-2 1.965E+04 cm
Critical energy 86.17 MeV (for e-) 84.25 MeV (for e+)
Molière radius 8.91 g cm-2 4835. cm
Plasma energy ℏωp 0.87 eV   
Muon critical energy 1095. GeV   
Index of refraction (0° C, 1 atm, Na D) 449. (n-1)x106     
Sublimination temperature (@ 1 atm) 194.8 K -78.40 C
Composition:
Elem ZAtomic frac* Mass frac
C
6
2.00
0.272916
O
8
4.00
0.727084
* calculated from mass fraction data

For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PDF TEXT
Table of muon dE/dx and Range: PDF TEXT
Explanation of some entries