Muon radiative energy loss (in 1.0E06 cm^2/g) in polyvinyl pyrrolidone [(C%6#H%9#NO)%n#] with Z/A = 0.53984 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2460 0.1063 0.4745 0.8270 5. 0.3337 0.2639 0.5017 1.0994 10. 0.4066 0.4014 0.4863 1.2944 20. 0.4838 0.5516 0.4636 1.4990 50. 0.5892 0.7626 0.4389 1.7908 100. 0.6687 0.9124 0.4268 2.0078 200. 0.7435 1.0508 0.4206 2.2149 500. 0.8328 1.1944 0.4196 2.4469 1000. 0.8904 1.2829 0.4264 2.5998 2000. 0.9384 1.3456 0.4379 2.7218 5000. 0.9865 1.4011 0.4594 2.8470 10000. 1.0123 1.4273 0.4811 2.9207 20000. 1.0305 1.4438 0.5067 2.9810 50000. 1.0462 1.4568 0.5468 3.0497 100000. 1.0533 1.4621 0.5812 3.0967