Atomic and nuclear properties of materials:
Mercuric iodide HgI2
QuantityValueUnits ValueUnits
<Z/A> 0.40933     
Density 6.36 g cm-3   
Mean excitation energy 684.5 eV   
Minimum ionization 1.193 MeV g-1cm2 7.589 MeV cm-1
Nuclear collision length 105.3 g cm-2 16.56 cm
Nuclear interaction length 181.3 g cm-2 28.51 cm
Pion collision length 129.2 g cm-2 20.32 cm
Pion interaction length 208.6 g cm-2 32.79 cm
Radiation length 7.44 g cm-2 1.170 cm
Critical energy 9.40 MeV (for e-) 9.08 MeV (for e+)
Molière radius 16.77 g cm-2 2.637 cm
Plasma energy 46.49 eV   
Muon critical energy 172. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
I
53
2.00
0.558560
Hg
 80
1.00
0.441440
* 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