Energy (eV),C2HnO+ [10-16 cm2],±6%,(CHnO+ +C2Hn+) [10-16 cm2],±6%,(CHn+ + HnO+)[10-16 cm2],±7%,H+ [10-17 cm2],±6%,H2+ [10-18 cm2],±12% 16,0.86,0.16,0.82,0.22,,,,,, 18,0.94,0.11,1.42,0.28,,,,,, 20,1.07,0.09,1.74,0.17,,,,,, 22.5,1.19,0.10,2.09,0.21,,,,,, 25,1.32,0.11,2.43,0.24,,,,,, 30,1.43,0.09,3.03,0.18,0.24,0.05,,,, 35,1.49,0.09,3.49,0.21,0.42,0.09,0.048,0.011,, 40,1.59,0.10,3.85,0.23,0.58,0.10,0.70,0.06,, 50,1.68,0.10,4.27,0.26,0.83,0.10,1.82,0.15,2.00,0.24 60,1.74,0.10,4.52,0.27,0.97,0.068,2.82,0.17,3.30,0.40 80,1.73,0.10,4.69,0.28,1.12,0.078,4.15,0.25,4.45,0.53 100,1.70,0.10,4.54,0.27,1.14,0.080,4.82,0.29,4.84,0.58 125,1.63,0.10,4.32,0.26,1.090,0.076,4.55,0.27,4.77,0.57 150,1.56,0.09,3.98,0.24,0.965,0.068,4.00,0.24,4.11,0.49 200,1.40,0.08,3.64,0.22,0.817,0.057,3.04,0.18,3.85,0.46 300,1.24,0.07,3.19,0.19,0.618,0.043,2.33,0.14,3.16,0.38 400,1.09,0.07,2.72,0.16,0.512,0.036,1.92,0.12,2.88,0.35 500,0.977,0.059,2.42,0.15,0.457,0.032,1.58,0.09,2.26,0.27 600,0.888,0.053,2.21,0.13,0.419,0.029,1.41,0.08,1.91,0.23 800,0.743,0.045,1.91,0.11,0.353,0.025,1.07,0.06,1.83,0.22 1000,0.635,0.038,1.72,0.10,0.316,0.022,0.948,0.06,1.58,0.19