Methylene (CH2) Energy (eV) BEB (A^2) 10.40 0.000 10.50 0.006 11.00 0.036 11.50 0.067 12.00 0.098 12.50 0.136 13.00 0.187 13.50 0.237 14.00 0.287 14.50 0.337 15.00 0.385 15.50 0.431 16.00 0.477 16.50 0.524 17.00 0.587 17.50 0.649 18.00 0.710 18.50 0.770 19.00 0.828 19.50 0.884 20.00 0.939 20.50 0.993 21.00 1.044 21.50 1.094 22.00 1.143 22.50 1.189 23.00 1.235 23.50 1.278 24.00 1.326 26.00 1.510 28.00 1.673 30.00 1.817 32.00 1.943 34.00 2.054 36.00 2.151 38.00 2.236 40.00 2.310 45.00 2.455 50.00 2.556 55.00 2.624 60.00 2.668 65.00 2.694 70.00 2.706 75.00 2.707 80.00 2.700 85.00 2.687 90.00 2.670 95.00 2.649 100.00 2.625 105.00 2.599 110.00 2.572 115.00 2.543 120.00 2.514 125.00 2.484 130.00 2.454 135.00 2.424 140.00 2.395 145.00 2.365 150.00 2.335 160.00 2.278 170.00 2.221 180.00 2.167 190.00 2.115 200.00 2.065 210.00 2.016 220.00 1.970 230.00 1.926 240.00 1.883 250.00 1.842 300.00 1.662 350.00 1.514 400.00 1.391 450.00 1.288 500.00 1.199 550.00 1.122 600.00 1.056 650.00 0.997 700.00 0.944 750.00 0.898 800.00 0.856 850.00 0.818 900.00 0.783 950.00 0.751 1000.00 0.722 1100.00 0.671 1200.00 0.627 1300.00 0.589 1400.00 0.555 1500.00 0.525 1600.00 0.499 1700.00 0.475 1800.00 0.453 1900.00 0.434 2000.00 0.416 2100.00 0.400 2200.00 0.385 2300.00 0.371 2400.00 0.358 2500.00 0.346 2600.00 0.335 2700.00 0.324 2800.00 0.315 2900.00 0.306 3000.00 0.297 4000.00 0.233 5000.00 0.193