Carbon tetrafluoride (CF4) Energy (eV) BEB (A^2) 16.20 0.000 16.50 0.018 17.00 0.048 17.50 0.080 18.00 0.112 18.50 0.144 19.00 0.177 19.50 0.212 20.00 0.265 20.50 0.318 21.00 0.373 21.50 0.439 22.00 0.505 22.50 0.570 23.00 0.635 23.50 0.700 24.00 0.764 26.00 1.051 28.00 1.342 30.00 1.627 32.00 1.893 34.00 2.141 36.00 2.371 38.00 2.583 40.00 2.778 45.00 3.202 50.00 3.589 55.00 3.937 60.00 4.231 65.00 4.479 70.00 4.688 75.00 4.863 80.00 5.009 85.00 5.131 90.00 5.232 95.00 5.315 100.00 5.383 105.00 5.437 110.00 5.480 115.00 5.514 120.00 5.538 125.00 5.555 130.00 5.566 135.00 5.571 140.00 5.571 145.00 5.567 150.00 5.559 160.00 5.534 170.00 5.499 180.00 5.456 190.00 5.407 200.00 5.354 210.00 5.298 220.00 5.240 230.00 5.180 240.00 5.119 250.00 5.058 300.00 4.753 350.00 4.466 400.00 4.205 450.00 3.969 500.00 3.756 550.00 3.565 600.00 3.392 650.00 3.235 700.00 3.093 750.00 2.963 800.00 2.844 850.00 2.735 900.00 2.634 950.00 2.540 1000.00 2.454 1100.00 2.298 1200.00 2.162 1300.00 2.042 1400.00 1.936 1500.00 1.840 1600.00 1.755 1700.00 1.677 1800.00 1.606 1900.00 1.542 2000.00 1.482 2100.00 1.428 2200.00 1.377 2300.00 1.331 2400.00 1.287 2500.00 1.246 2600.00 1.209 2700.00 1.173 2800.00 1.140 2900.00 1.108 3000.00 1.079 4000.00 0.855 5000.00 0.711