Atomic and nuclear properties of materials:
Ethane (C2H6)
QuantityValueUnits ValueUnits
<Z/A> 0.59861     
Specific gravity (20° C, 1 atm) 1.26E-03 g cm-3   
Minimum ionization 2.304 MeV g-1cm2 2.910E-03 MeV cm-1
Nuclear collision length 55.0 g cm-2 4.353E+04 cm
Nuclear interaction length 75.9 g cm-2 6.009E+04 cm
Pion collision length 82.7 g cm-2 6.546E+04 cm
Pion interaction length 107.7 g cm-2 8.525E+04 cm
Radiation length 45.66 g cm-2 3.615E+04 cm
Critical energy 135.97 MeV (for e-) 133.10 MeV (for e+)
Molière radius 7.12 g cm-2 5638. cm
Plasma energy 0.79 eV   
Muon critical energy 1603. GeV   
Melting point 90.36 K -182.8 C
Boiling point @ 1 atm 184.5 K -88.60 C
Triple point 183.3 K -89.88 C
Composition:
Elem ZAtomic frac* Mass frac*
H
1
6.00
0.201115
C
6
2.00
0.798885
* 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: Density of liquid at - 88.6 C is 0.5645