Diacetylene (C4H2) Energy (eV) BEB (A^2) 10.19 0.000 10.50 0.078 11.00 0.209 11.50 0.344 12.00 0.479 12.50 0.612 13.00 0.823 13.50 1.035 14.00 1.245 14.50 1.450 15.00 1.651 15.50 1.847 16.00 2.036 16.50 2.219 17.00 2.396 17.50 2.575 18.00 2.755 18.50 2.944 19.00 3.127 19.50 3.305 20.00 3.476 20.50 3.642 21.00 3.811 21.50 3.975 22.00 4.134 22.50 4.287 23.00 4.436 23.50 4.579 24.00 4.717 26.00 5.224 28.00 5.664 30.00 6.077 32.00 6.465 34.00 6.808 36.00 7.109 38.00 7.375 40.00 7.607 45.00 8.068 50.00 8.393 55.00 8.616 60.00 8.763 65.00 8.851 70.00 8.895 75.00 8.904 80.00 8.888 85.00 8.851 90.00 8.799 95.00 8.735 100.00 8.662 105.00 8.582 110.00 8.496 115.00 8.407 120.00 8.316 125.00 8.223 130.00 8.128 135.00 8.033 140.00 7.938 145.00 7.844 150.00 7.750 160.00 7.565 170.00 7.385 180.00 7.211 190.00 7.042 200.00 6.880 210.00 6.724 220.00 6.574 230.00 6.429 240.00 6.291 250.00 6.158 300.00 5.569 350.00 5.085 400.00 4.682 450.00 4.341 500.00 4.050 550.00 3.797 600.00 3.575 650.00 3.380 700.00 3.206 750.00 3.051 800.00 2.911 850.00 2.784 900.00 2.668 950.00 2.563 1000.00 2.466 1100.00 2.293 1200.00 2.145 1300.00 2.016 1400.00 1.903 1500.00 1.802 1600.00 1.712 1700.00 1.632 1800.00 1.559 1900.00 1.493 2000.00 1.432 2100.00 1.377 2200.00 1.326 2300.00 1.278 2400.00 1.235 2500.00 1.194 2600.00 1.156 2700.00 1.121 2800.00 1.088 2900.00 1.057 3000.00 1.027 4000.00 0.808 5000.00 0.669