+

Benz(a)anthracene Cation

Frequency in Ar (cm-1) Relative Intensity Absolute Intensity, A (cm/molecule)

911.20 0.06 3.2e-19

1102.3 0.07 3.7e-19

1182.2 0.03 1.6e-19

1209.3 0.01 5.3e-20

1225.7 0.31 1.6e-18

1231.0 0.03 1.6e-19

1332.5 1 5.3e-18

1350.5 0.07 3.7e-19

1375.9 0.08 4.2e-19

1391.7 0.41 2.2e-18

1405.8 0.08 4.2e-19

1477.0 0.07 3.7e-19

1528.0 0.08 4.2e-19

1540.1 0.2 1.1e-18

1577.5 0.13 6.9e-19

Infrared Spectroscopy of Matrix-Isolated Polycyclic Aromatic Hydrocarbon Cations 4. The Tetracyclic PAHs, D.M. Hudgins and L.J. Allamandola, 101, 3472-3477, 1997.

Frequency in Ar (cm-1)	Relative Intensity	Absolute Intensity, A (cm/molecule)
911.20	0.06	3.2e-19
1102.3	0.07	3.7e-19
1182.2	0.03	1.6e-19
1209.3	0.01	5.3e-20
1225.7	0.31	1.6e-18
1231.0	0.03	1.6e-19
1332.5	1	5.3e-18
1350.5	0.07	3.7e-19
1375.9	0.08	4.2e-19
1391.7	0.41	2.2e-18
1405.8	0.08	4.2e-19
1477.0	0.07	3.7e-19
1528.0	0.08	4.2e-19
1540.1	0.2	1.1e-18
1577.5	0.13	6.9e-19