Some of atomic and nuclear properties of polyvinyltoluene [(2-CH
3
C
6
H
4
CHCH
2
)
n
]
Quantity
Value
Units
<
Z/A
>
0.54142
mol g
-1
Density
1.032
g cm
-3
Mean excitation energy
64.7
eV
Radiation length
43.90
g cm
-2
Composition:
Elem
Z
Atomic frac*
A
Mass frac
H
1
10.00
1.0080
0.085000
C
6
9.03
12.0107
0.915000
* calculated from mass fraction data