S. Green, Ap. J. Suppl. 70, 813 (1989). Table 1. HDO energy levels ===================================================== level J(K-,K+) Energy, 1/cm _____________________________________________________ 1 0(0,0) 0.0000 2 1(0,1) 15.5082 3 1(1,1) 29.8086 4 1(1,0) 32.4964 5 2(0,2) 46.1731 6 2(1,2) 58.1269 7 2(1,1) 66.1845 8 3(0,3) 91.3302 9 3(1,3) 100.3909 10 2(2,1) 108.9262 11 2(2,0) 109.2691 12 3(1,2) 116.4613 13 4(0,4) 150.1562 14 3(2,2) 155.3890 15 4(1,4) 156.3822 16 3(2,1) 157.0647 17 4(1,3) 182.9835 18 4(2,3) 217.0418 19 4(2,2) 221.8361 20 5(0,5) 221.9460 21 5(1,5) 225.8648 22 3(3,1) 233.0237 23 3(3,0) 233.0512 24 5(1,4) 265.2361 25 5(2,4) 293.6365 26 4(3,2) 295.4873 27 4(3,1) 295.6775 28 5(2,3) 303.9946 29 6(0,6) 306.3147 30 6(1,6) 308.6155 31 6(1,5) 362.5071 32 5(3,3) 373.6658 33 5(3,2) 374.4099 34 6(2,5) 384.8755