Atomic and nuclear properties of materials:
Nitrobenzene C₆H₅NO₂

Quantity	Value	Units	Value	Units
<Z/A>	0.51986
Density	1.20	g cm-3
Mean excitation energy	75.8	eV
Minimum ionization	1.857	MeV g-1cm2	2.226	MeV cm-1
Nuclear collision length	59.0	g cm-2	49.23	cm
Nuclear interaction length	85.0	g cm-2	70.94	cm
Pion collision length	86.4	g cm-2	72.06	cm
Pion interaction length	117.0	g cm-2	97.61	cm
Radiation length	40.09	g cm-2	33.44	cm
Critical energy	81.68	MeV (for e-)	79.50	MeV (for e+)
Molière radius	10.41	g cm-2	8.682	cm
Plasma energy	22.75	eV
Muon critical energy	1058.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
H	1	5.00	0.040935
C	6	6.00	0.585374
N	7	1.00	0.113773
O	8	2.00	0.259918
* 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