+

Benzo(b)fluoranthene Cation

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

545.2 0.26 3.7e-18

583.3 0.059 8.3e-19

589.5 0.13 1.8e-18

724.4 0.19 2.7e-18

784.5 0.23 3.2e-18

991.8 0.13 1.8e-18

1030.3 0.1 1.4e-18

1070.8 0.058 8.1e-19

1093.2 0.74 1.0e-17

1133.5 0.11 1.6e-18

1141.0 0.22 3.1e-18

1191.9 0.053 7.4e-19

1234.7 0.26 3.6e-18

1260.5 0.29 4.1e-18

1279.0 0.078 1.1e-18

1297.3 0.93 1.3e-17

1305.4 0.028 3.9e-19

1313.3,1320.5 1 1.4e-17

1341.3 0.054 7.6e-19

1388.6 0.02 2.8e-19

1532.0 0.29 4.1e-18

1554.7 0.042 5.9e-19

1572.2 0.37 5.1e-18

Infrared Spectroscopy of Matrix-Isolated Polycyclic Aromatic Hydrocarbon Cations 5. Fluoranthene and the Planar Benzofluoranthenes, D.M. Hudgins and L.J. Allamandola, J.Phys.Chem., (in preparation)

Frequency in Ar (cm-1)	Relative Intensity	Absolute Intensity, A (cm/molecule)
545.2	0.26	3.7e-18
583.3	0.059	8.3e-19
589.5	0.13	1.8e-18
724.4	0.19	2.7e-18
784.5	0.23	3.2e-18
991.8	0.13	1.8e-18
1030.3	0.1	1.4e-18
1070.8	0.058	8.1e-19
1093.2	0.74	1.0e-17
1133.5	0.11	1.6e-18
1141.0	0.22	3.1e-18
1191.9	0.053	7.4e-19
1234.7	0.26	3.6e-18
1260.5	0.29	4.1e-18
1279.0	0.078	1.1e-18
1297.3	0.93	1.3e-17
1305.4	0.028	3.9e-19
1313.3,1320.5	1	1.4e-17
1341.3	0.054	7.6e-19
1388.6	0.02	2.8e-19
1532.0	0.29	4.1e-18
1554.7	0.042	5.9e-19
1572.2	0.37	5.1e-18