Atomic and nuclear properties of materials:
Carbon tetrafluoride (CF4)
QuantityValueUnits ValueUnits
<Z/A> 0.47721     
Specific gravity (20° C, 1 atm) 3.78E-03 g cm-3   
Minimum ionization 1.688 MeV g-1cm2 6.382E-03 MeV cm-1
Nuclear collision length 64.1 g cm-2 1.696E+04 cm
Nuclear interaction length 95.7 g cm-2 2.530E+04 cm
Radiation length 33.99 g cm-2 8993. cm
Critical energy 75.12 MeV (for e-) 73.39 MeV (for e+)
Molière radius 9.60 g cm-2 2539. cm
Plasma energy 1.22 eV   
Muon critical energy 974. GeV   
Melting point 89.55 K -183.6 C
Boiling point @ 1 atm 145.3 K -127.8 C
Composition:
Elem ZAtomic frac* Mass frac*
C
6
1.00
0.136548
F
9
4.00
0.863450
* calculated from mass fraction data.

Explanation of some entries
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
Note: Physical properties such as gas density are not well vetted.