Muon radiative energy loss (in 1.0E06 cm^2/g) in octane (C%8#H%18#) with Z/A = 0.57778 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2211 0.0938 0.4830 0.7979 5. 0.3003 0.2349 0.5102 1.0454 10. 0.3667 0.3611 0.4940 1.2219 20. 0.4375 0.4992 0.4704 1.4070 50. 0.5350 0.6928 0.4446 1.6725 100. 0.6092 0.8305 0.4320 1.8717 200. 0.6789 0.9582 0.4255 2.0626 500. 0.7628 1.0924 0.4243 2.2796 1000. 0.8173 1.1757 0.4311 2.4241 2000. 0.8630 1.2352 0.4428 2.5409 5000. 0.9093 1.2881 0.4646 2.6622 10000. 0.9345 1.3131 0.4868 2.7344 20000. 0.9524 1.3289 0.5130 2.7943 50000. 0.9682 1.3412 0.5540 2.8633 100000. 0.9752 1.3462 0.5894 2.9107