Table I
Observed N iv . Lines in the region 150–500 Å.
λ (Å) Int.a Mult. Configuration Term J–J Ref.b 159.366 1d 2s2p–2p(2 P°)13p 3 P°–3 P, 3 D159.833 1d 2s2p–2p(2 P°)12p 3 P°–3 P, 3 D160.451 1d 2s2p–2p(2 P°)11p 3 P°–3 P, 3 D161.256 2d 2s2p–2p(2 P°)10p 3 P°–3 P2–2 161.286 2d 2s2p–2p(2 P°)10p 3 P°–3 D2–3 162.374 2 2s2p–2p(2 P°)9p 3 P°–3 P2–2 162.423 10 2s2p–2p(2 P°)9p 3 P°–3 D2–3 162.816 1d 2s2 –2s13p g1 S–1 P° 0–1 163.311 1d 2s2 –2s12p g1 S–1 P° 0–1 163.949 10d 2s2 –2s11p g1 S–1 P° 0–1 163.972 2 2s2p–2p(2 P°)8p 3 P°–3 P2–2 164.048 50 2s2p–2p(2 P°)8p 3 P°–3 D2–3 164.794 30 2s2 –2s10p g1 S–1 P° 0–1 165.945 50 2s2 –2s9p g1 S–1 P° 0–1 166.337 10 2s2p–2p(2 P°)7p 3 P°–3 P1–2 166.377 20 2s2p–2p(2 P°)7p 3 P°–3 P2–2 166.496 20 2s2p–2p(2 P°)7p 3 P°–3 D2–3 166.540 75 2s2p–2p(2 P°)7p 3 P°–3 D2–2 167.709 150 2s2 –2s8p g1 S–1 P° 0–1 170.074 200 2s2 –2s7p g1 S–1 P° 0–1 170.208 50 2s2p–2p(2 P°)6p 3 P°–3 P1–2 170.249 100 2s2p–2p(2 P°)6p 3 P°–3 P2–2 170.463 50 2s2p–2p(2 P°)6p 3 P°–3 D2–3 170.505 100 2s2p–2p(2 P°)6p 3 P°–3 D2–2 174.602 200 2s2 –2s6p g1 S–1 P° 0–1 177.119 100b 2s2p–2p(2 P°)5p 3 P°–3 P1–2 177.142 100b 2s2p–2p(2 P°)5p 3 P°–3 P1–1 177.163 200 2s2p–2p(2 P°)5p 3 P°–3 P2–2 177.182 100b 2s2p–2p(2 P°)5p 3 P°–3 P2–1 177.602 100b 2s2p–2p(2 P°)5p 3 P°–3 D2–3 177.621 100b 2s2p–2p(2 P°)5p 3 P°–3 D1–1 177.646 250 2s2p–2p(2 P°)5p 3 P°–3 D2–2 178.547 1 2s2p–2p(2 P°)11p 1 P°–1 D1–2 179.554 2 2s2p–2p(2 P°)10p 1 P°–1 D1–2 180.928 5 2s2p–2p(2 P°)9p 1 P°–1 D1–2 181.746 400 2s2 –2s5p g1 S–1 P° 0–1 *A 181.943 10d 2s2p–2s15d 3 P°–3 D2– 182.323 20d 2s2p–2s14d 3 P°–3 D2– 182.827 30d 2s2p–2s13d 3 P°–3 D2– 182.894 10 2s2p–2p(2 P°)8p 1 P°–1 D1–2 183.146 5d 2s2p–2p(2 P°)8p 1 P°–1 P1–1 183.402 50d 2s2p–2s12d 3 P°–3 D1– 183.450 50d 2s2p–2s12d 3 P°–3 D2– 184.200 75d 2s2p–2s11d 3 P°–3 D1– 184.247 75d 2s2p–2s11d 3 P°–3 D2– 184.437 1 2s2p–2s11s 3 P°–3 S1–1 184.485 2 2s2p–2s11s 3 P°–3 S2–1 185.237 150d 2s2p–2s10d 3 P°–3 D0– 185.257 150d 2s2p–2s10d 3 P°–3 D1– 185.306 200d 2s2p–2s10d 3 P°–3 D2– 185.568 3 2s2p–2s10s 3 P°–3 S1–1 185.623 5 2s2p–2s10s 3 P°–3 S2–1 185.853 75 2s2p–2p(2 P°)7p 1 P°–1 D1–2 186.218 50 2s2p–2p(2 P°)7p 1 P°–1 P1–1 186.690 250d 2s2p–2s9d 3 P°–3 D0– 186.709 250d 2s2p–2s9d 3 P°–3 D1– 186.759 300d 2s2p–2s9d 3 P°–3 D2– 187.123 10 2s2p–2s9s 3 P°–3 S0–1 187.142 10 2s2p–2s9s 3 P°–3 S1–1 187.194 20 2s2p–2s9s 3 P°–3 S2–1 188.583 200b 2s2p–2s8s 3 P°–3 S0–1 188.606 200b 2s2p–2s8s 3 P°–3 S1–1 188.656 250 2s2p–2sSs 3 P°–3 S2–1 188.743 300b 2s2p–2s8d 3 P°–3 D0– 188.762 300b 2s2p–2s8d 3 P°–3 D1– 188.818 300 2s2p–2s8d 3 P°–3 D2– 189.365 1 2s2p–2p(2 P°)4p 3 P°–3 S0–1 189.386 5 2s2p–2p(2 P°)4p 3 P°–3 S1–1 189.437 10 2s2p–2p(2 P°)4p 3 P°–3 S2–1 190.625 200 2s2p–2p(2 P°)6p 1 P°–3 D1–2 191.228 100 2s2p–2p(2 P°)6p 1 P°–1 P1–1 191.651 400b 2s2p–2p(2 P°)4p 3 P°–3 P1–2 191.676 400b 2s2p–2p(2 P°)4p 3 P°–3 P1–1 191.702 400b 2s2p–2p(2 P°)4p 3 P°–3 P2–2 191.727 400b 2s2p–2p(2 P°)4p 3 P°–3 P2–1 191.748 400b 2s2p–2p(2 P°)4p 3 P°–3 P1–0 191.868 350b 2s2p–2s7d 3 P°–3 D0– 191.898 350b 2s2p–2s7d 3 P°–3 D1– 191.951 350 2s2p–2s7d 3 P°–3 D2– 192.533 10d 2p2 –2p(2 P°)13d 3 P°–3 P, 3 D°192.859 400b 2s2p–2p(2 P°)4p 3 P°–3 D2–3 192.888 400b 2s2p–2p(2 P°)4p 3 P°–3 D1–1 192.908 400b 2s2p–2p(2 P°)4p 3 P°–3 D2–2 192.941 400b 2s2p–2p(2 P°)4p 3 P°–3 D2–1 193.139 300b 2s2p–2s7s 3 P°–3 S0–1 193.160 300b 2s2p–2s7s 3 P°–3 S1–1 193.214 350 2s2p–2s7s 3 P°–3 S2–1 194.083 75d 2p2 –2p(2 P°)11d 3 P°–3 P, 3 D°195.202 20d 2p2 –2p(2 P°)10d 3 P–3 P°195.258 100d 2p2 –2p(2 P°)10d 3 P–3 D°2– 195.610 1 2p2 –2p(2 P°)10s 3 P–3 P°2–2 196.802 100d 2p2 –2p(2 P°)9d 3 P–3 P°196.866 500b 2p2 –2p(2 P°)9d 3 P–3 D°2– 196.921 400b 2s2p–2s6d 3 P°–3 D0– 196.944 400b 2s2p–2s6d 3 P°–3 D1– *A 197.000 400 2s2p–2s6d 3 P°–3 D2– *A 197.230 500 2s2 –2s4p g1 S–1 P° 0–1 *A 197.343 2 2p2 –2p(2 P°)9s 3 P–3 P°2–2 198.740 250b 2s2p–2s6s 3 P°–3 S0–1 198.764 250b 2s2p–2s6s 3 P°–3 S1–1 198.821 300 2s2p–2s6s 3 P°–3 S2–1 199.087 200d 2p2 –2p(2 P°)8d 3 P–3 P°199.159 450b 2p2 –2p(2 P°)8d 3 P–3 D°2– 199.806 20 2p2 –2p(2 P°)8s 3 P–3 P°1–2 199.857 50 2p2 –2p(2 P°)8s 3 P–3 P°2–2 200.340 300 2s2p–2p(2 P°)5p 1 P–1 P°1–1 201.988 100d 2p2 –2p(2 P°)9d 1 D–1 P°2–1 202.485 300d 2p2 –2p(2 P°)7d 3 P–3 P°202.595 500b 2p2 –2p(2 P°)7d 3 P–3 D°2– 203.642 50b 2p2 –2p(2 P°)7s 3 P–3 P°1–2 203.694 50b 2p2 –2p(2 P°)7s 3 P–3 P°2–2 203.780 50 2p2 –2p(2 P°)7s 3 P–3 P°2–1 204.354 150d 2p2 –2p(2 P°)8d 1 D–1 P°2–1 205.940 500b 2s2p–2s5d 3 P°–3 D0–1 205.968 500b 2s2p–2s5d 3 P°–3 D1–2 *A 206.028 500 2s2p–2s5d 3 P°–3 D2–3 *A 206.707 10d 2s2p–2s13d 1 P°–1 D1–2 207.500 20d 2s2p–2s12d 1 P°–1 D1–2 207.914 200d 2p2 –2p(2 P°)7d 1 D–1 P°2–1 208.066 400d 2p2 –2p(2 P°)6d 3 P–3 P°208.113 400b 2p2 –2p(2 P°)6d 3 P–3 D°0–1 208.131 400b 2p2 –2p(2 P°)6d 3 P–3 D°1–2 208.150 400b 2p2 –2p(2 P°)6d 3 P–3 D°2–3 208.510 100d 2s2p–2s11d 1 P°–1 D1–2 209.378 400b 2s2p–2s5s 3 P°–3 S0–1 209.407 400b 2s2p–2s5s 3 P°–3 S1–1 209.471 400b 2s2p–2s5s 3 P°–3 S2–1 209.842 150d 2s2p–2s10d 1 P°–1 D1–2 209.976 100b 2p2 –2p(2 P°)6s 3 P–3 P°1–2 210.028 200 2p2 –2p(2 P°)6s 3 P–3 P°2–2 210.092 100b 2p2 –2p(2 P°)6s 3 P–3 P°1–0 210.111 100b 2p2 –2p(2 P°)6s 3 P–3 P°2–1 211.405 400 2s2 –2p(2 P°)3s g1 S–1 P° 0–1 *A 211.679 250d 2s2p–2s9d 1 P°–1 D1–2 213.596 300d 2p2 –2p(1 P°)6d 1 D–1 P°2–1 214.291 250 2s2p–2s8d 1 P°–1 D1–2 214.414 50d 2p2 –2p(2 P°)6d 1 D–1 F°2–3 214.843 10 2s2p–2s8s 1 P°–1 S1–0 215.755 75 2s2p–2p(2 P°)4p 1 P°–1 S1–0 217.218 500 2s2p–2p(2 P°)4p 1 P°–1 D1–2 *A 217.895 500d 2p2 –2p(2 P°)5d 3 P–3 P°218.044 400b 2p2 –2p(2 P°)5d 3 P–3 D°0–1 218.067 400b 2p2 –2p(2 P°)5d 3 P–3 D°1–2 218.088 400b 2p2 –2p(2 P°)5d 3 P–3 D°2–3 *A 218.116 400b 2p2 –2p(2 P°)5d 3 P–3 D°2–2 218.250 400 2s2p–2s7d 1 P°–1 D1–2 220.124 50 2s2p–2s7s 1 P°–1 S1–0 220.280 400 2s2p–2p(2 P°)4p 1 P°–1 P1–1 220.885 2d 2p2 –2p(2 P°)10d 1 S–1 P°0–1 221.729 300b 2p2 –2p(2 P°)5s 3 P–3 P°1–2 221.789 450 2p2 –2p(2 P°)5s 3 P–3 P°2–2 221.854 300b 2p2 –2p(2 P°)5s 3 P–3 P°1–0 221.871 300b 2p2 –2p(2 P°)5s 3 P–3 P°2–1 222.893 30d 2p2 –2p(2 P°)9d 1 S–1 P°0–1 223.730 500d 2p2 –2p(2 P°)5d 1 D–1 P°2–1 224.629 450b 2s2p–2s6d 1 P°–1 D1–2 225.110 800b 6 2s2p–2s4d 3 P°–3 D0–1 *AC 225.142 800b 6 2s2p–2s4d 3 P°–3 D1–2 *AC 225.212 800 6 2s2p–2s4d 3 P°–3 D2–3 *AC 225.741 50d 2p2 –2p(2 P°)8d 1 S–1 P°0–1 227.026 100 2s2p–2s6s 1 P°–1 S1–0 230.035 100d 2p2 –2p(2 P°)7d 1 S–1 P°0–1 232.112 100 2s2p–2p(2 P°)3p 3 P°–3 S0–1 232.145 150 2s2p–2p(2 P°)3p 3 P°–3 S1–1 232.223 200 2s2p–2p(2 P°)3p 3 P°–3 S2–1 234.124 600b 2s2p–2p(2 P°)3p 3 P°–3 P1–2 A 234.195 600b 2s2p–2p(2 P°)3p 3 P°–3 P2–2 A 234.249 600b 2s2p–2p(2 P°)3p 3 P°–3 P2–1 A 236.068 550 2s2p–2s5d 1 P°–1 D1–2 236.954 150d 2p2 –2p(2 P°)6d 1 S–1 P°0–1 237.873 400b 2s2p–2s4s 3 P°–3 S0–1 *A 237.908 400b 2s2p–2s4s 3 P°–3 S1–1 *A 237.991 500 2s2p–2s4s 3 P°–3 S2–1 *A 238.657 500b 2p2 –2p(2 P°)4d 3 P–3 P°0–1 238.683 500b 2p2 –2p(2 P°)4d 3 P–3 P°1–0 238.694 500b 2p2 –2p(2 P°)4d 3 P–3 P°1–1 238.731 500b 2p2 –2p(2 P°)4d 3 P–3 P°1–2 238.769 500b 2p2 –2p(2 P°)4d 3 P–3 P°2–1 238.802 600 2p2 –2p(2 P°)4d 3 P–3 P°2–2 239.146 450b 2p2 –2p(2 P°)4d 3 P–3 D°0–1 *A 239.174 450b 2p2 –2p(2 P°)4d 3 P–3 D°1–2 *A 239.212 450b 2p2 –2p(2 P°)4d 3 P–3 D°2–3 *A 239.243 450b 2p2 –2p(2 P°)4d 3 P–3 D°2–2 239.616 500b 2s2p–2p(2 P°)3p 3 P°–3 D2–3 *A 239.632 400b 2s2p–2p(2 P°)3p 3 P°–3 D1–2 239.659 400b 2s2p–2p(2 P°)3p 3 P°–3 D0–1 239.679 400b 2s2p–2p(2 P°)3p 3 P°–3 D1–1 239.708 400b 2s2p–2p(2 P°)3p 3 P°–3 D2–2 *A 239.763 400b 2s2p–2p(2 P°)3p 3 P°–3 D2–1 240.363 200 2s2p–2s5s 1 P°–1 S1–0 244.100 300b 2p2 –2p(2 P°)4d 1 D–1 P°2–1 247.205 900 2 2s2 –2s3p g1 S–1 P° 0–1 *BAC 248.383 500 2p2 –2p(2 P°)4s 3 P–3 P°1–2 248.433 500b 2p2 –2p(2 P°)4s 3 P–3 P°0–1 248.461 500b 2p2 –2p(2 P°)4s 3 P–3 P°2–2 248.484 500b 2p2 –2p(2 P°)4s 3 P–3 P°1–1 248.540 500 2p2 –2p(2 P°)4s 3 P–3 P°1–0 248.563 500 2p2–2p(2 P°)4s 3 P–3 P°2–1 248.654 450 2p2 –2p(2 P°)4d 1 D–1 F°2–3 249.316 300d 2p2 –2p(2 P°)5d 1 S–1 P°0–1 250.121 300 2p2 –2p(2 P°)4d 1 D–1 D°2–2 254.338 100 2p2 –2p(2 P°)5s 1 S–1 P°0–1 255.148 380 2p2 –2p(2 P°)4s 1 D–1 D°2–1 258.320 150 2p2 –2s6f 1 D–1 F°2–3 259.824 450 2s2p–2p(2 P°)3p 1 P°–1 S1–0 260.447 600 2s2p–2s4d 1 P°–1 D1–2 *A 270.994 650 12 2s2p–2p(2 P°)3p 1 P°–1 D1–2 *AC 273.140 300 2p2 –2s5f 1 D–1 F°2–3 274.451 250 2s2p–2s4s 1 P°–1 S1–0 275.354 450 2p2 –2p(2 P°)4d 1 S–1 P°0–1 276.741 10 2p2 –2s5p 1 D–1 P°2–1 283.419 900b 5 2s2p–2s3d 3 P°–3 D0–1 *BAC 283.476 900b 5 2s2p–2s3d 3 P°–3 D1–2 *BAC 283.583 900 5 2s2p–2s3d 3 P°–3 D2–3 *BAC 285.561 600 11 2s2p–2p(2 P°)3p 1 P°–1 P1–1 *AC 289.479 300 2p2 –2p(2 P°)4s 1 S–1 P°0–1 297.595 600b 15 2p2 –2p(2 P°)3d 3 P–3 P°0–1 *A 297.634 600b 15 2p2 –2p(2 P°)3d 3 P–3 P°1–0 297.657 600b 15 2p2 –2p(2 P°)3d 3 P–3 P°1–1 *AC 297.704 600b 15 2p2–2p(2 P°)3d 3 P–3 P°1–2 *A 297.770 600b 15 2p2 –2p(2 P°)3d 3 P–3 P°2–1 *A 297.816 700 15 2p2 –2p(2 P°)3d 3 P–3 P°2–2 *AC 300.318 650 2p2 –2s4f 1 D–1 F°2–3 *AD 303.006 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°0–1 *AD 303.048 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°1–2 *AD 303.078 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°1–1 *AD 303.124 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°2–3 *AD 303.162 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°2–2 *AD 303.191 500b 14 2p2 –2p(2 P°)3d 3 P–3 D°2–1 303.280 500 2p2 –2p(2 P°)3d 1 D–1 P°2–1 314.324 20 2p2 –2s4p 1 D–1 P°2–1 315.060 600 2p2 –2p(2 P°)3d 1 D–1 F°2–3 *AD 317.596 200 2p2 –2s5p 1 S–1 P°0–1 322.506 700 4 2s2p–2s3s 3 P°–3 S0–1 *AD 322.572 700 4 2s2p–2s3s 3 P°–3 S1–1 *AD 322.722 700 4 2s2p–2s3s 3 P°–3 S2–1 *AD 323.178 600b 17 2p2 –2p(2 P°)3d 1 D–1 D°2–2 *AD 335.052 850 10 2s2p–2s3d 1 P°–1 D1–2 *BAD 344.916 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°1–2 *AD 345.025 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°0–1 *AD 345.062 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°2–2 *AD 345.111 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°1–1 *AD 345.207 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°1–0 *AD 345.261 600b 13 2p2 –2p(2 P°)3s 3 P–3 P°2–1 351.931 500b 16 2p2 –2p(2 P°)3s 1 D–1 P°2–1 *AD 353.056 700 2p2 –2p(2 P°)3d 1 S–1 P°0–1 *AD 368.108 450 2p2 –2s4p 1 S–1 P°0–1 387.353 500 9 2s2p–2s3s 1 P°–1 S1–0 AD 420.769 500 2p2 –2p(2 P°)3s 1 S–1 P°0–1 *D 463.740 650 2p2 –2s3p 1 D–1 P°2–1 *D
a In the Intensity column, a d following the intensity figure indicates a diffuse line; b indicates blend. The text should be consulted for cautions concerning the intensity figures.
b Codes used in the reference column designate previous investigators, as listed below. An asterisk (*) preceding any reference indicates that the line has been newly measured.
A—B. Edlén, Nova Acta Reg. Soc. Sci. Uppsala (IV)
9 , No.
6 (1934), 153 pp.
B—B. Edlén, Rept. Progr. Phys.
26 , 181 (1963).
C—C. E. Moore, Natl. Bur. Std. (U.S.) Circ. 488. Sec. I (1950), 78 pp.; Sec. II (1952), 115 pp. (U. S. Govt. Printing Office, Washington, D. C).
D—R. Hallin, Arkiv Fysik
32 , 201 (1966).
Table II
Singlet-term system of N iv .
n J E (cm−1 )Interval T (cm−1 )n *Ref. 2s ns 1 s 2 0 0.0 13 3 0 388 854.6 236 010.1 2.727 49 13 4 0 495 057.7 129 807.0 3.677 80 5 0 546 731.3 78 133.4 4.740 44 6 0 571 172.1 53 692.6 5.718 47 7 0 584 983.3 39 881.4 6.635 17 8 0 596 150.1 28 714.6 7.819 62 2s np 1 P ° 2 1 130 693.9 13 3 1 404 522.4 220 342.3 2.822 80 13 4 1 507 027.9 117 836.8 3.860 01 13 5 1 550 232.6 74 632.1 4.850 27 13 6 1 572 731.1 52 133.6 5.803 35 7 1 587 979.4 36 885.3 6.899 38 8 1 596 270.9 28 593.8 7.836 13 9 1 602 609.3 22 255.4 8.882 18 10 1 606 818.2 18 046.5 9.863 72 11 1 609 945.8 14 918.9 10.848 47 12 1 612 328.6 12 536.1 11.834.68 13 1 614 190.3 10 674.4 12.825 21 2s nd 1 D 3 2 429 159.6 195 705.1 2.995 21 13 4 2 514 647.7 110217.0 3.991 21 13 5 2 554 300.7 70 564.0 4.988 22 6 2 575 872.4 48 992.3 5.986 50 7 2 588 884.0 35 980.7 6.985 58 8 2 597 349.1 27 515.6 7.988 17 9 2 603 107.3 21 757.4 8.983 26 10 2 607 242.9 17 621.8 9.981 88 11 2 610 287.2 14 577.5 10.974 78 12 2 612 621.6 12 243.1 11.975 44 13 2 614 470.5 10394.2 12.996 93 2s nf 1 F ° 4 3 521 862.8 103 001.9 4.128 63 13 5 3 554 995.7 69 869.0 5.012 87 13 6 3 575 999.3 48 865.4 5.994 27 2s ng 1 G 5 4 554 339.1 70 525.6 4.989 48 13 6 4 575 807.9 49 056.8 5.982 45 13 Hydrogenic terms Config. Term 25 6h H 576 042.9 48 821.8 5.996 83 13 2s 7h H 588 994.3 35 870.4 6.996 17 13 2s 7i I 589 021.4 35 843.3 6.998 82 13 2p np 1 S
Limit
:
²
P
1
2
° 2 0 235 369.3 13 3 0 515 569.8 190 016.8 3.039 77 4 0 594 182.6 111 404.0 3.969 97 2p ns 1 P °
Limit
:
²
P
1
2
° 3 1 473 029.3 232 557.3 2.747 66 13 4 1 580 817.5 124 769.1 3.751 32 5 1 628 546.9 77 039.7 4.773 97 2p np 1 P
Limit
:
²
P
1
2
° 3 1 480 884.2 224 443.7 2.796 89 13 4 1 584 661.6 120 666.3 3.814 56 5 1 629 845.3 75 482.6 4.822 96 6 1 653 629.9 51 698.0 5.827 74 7 1 667 698.9 37 629.0 6.830 87 8 1 676 706.4 28 621.5 7.832 33 2p nd 1 P °
Limit
:
²
P
1
2
° 3 1 518 610.5 186 976.1 3.064 39 *13 4 1 598 538.2 107 048.4 4.049 93 5 1 636467. 69 120. 5.040 1 6 1 657 392. 48 195. 6.035 9 7 1 670 086. 35 501. 7.032 6 8 1 678 355. 27 232. 8.029 7 9 1 684 015. 21 572. 9.021 9 10 1 688 094. 17 493. 10.018 5 2p np 1 D
Limit
:
²
P
1
2
° 2 2 188 882.5 13 3 2 499 705.9 205 880.7 2.920 26 13 4 2 591 060.9 114 525.7 3.915 49 *13 5 2 (masked) 6 2 655 284.1 50302.5 5.908 02 7 2 668 753.5 36 833.1 6.904 28 8 2 677 458.7 28 127.9 7.900 75 9 2 683 399.9 22 186.7 8.895 93 10 2 687 629.4 17 957.2 9.888 22 11 2 690 770.5 14 816.1 10.886 05 2p nd 1 D °
Limit
:
²
P
1
2
° 3 2 498 310.3 207 017.6 2.912 23 13 4 2 588 689.0 116 638.9 3.879 85 2p nd 1 F °
Limit
:
²
P
1
2
° 3 3 506 284.8 199 301.8 2.968 06 13 4 3 591 047.8 114 538.8 3.915 26 5 3 (masked) 6 3 655 270.0 50 316.6 5.907 20
Table III
Triplet-term system of N iv .
n J E (cm−1 )Interval T (cm−1 )n *Ref. 2s ns 3 S 3 1 377 284.8 247 579.9 2.663 00 13 4 1 487 600.3 137 264.4 3.576 50 *13 5 1 544 813.4 80 051.3 4.683 22 13 6 1 570 381.3 54 483.4 5.676 82 7 1 584 977.1 39 887.6 6.634 66 8 1 597 481.6 27 383.1 8.007 48 9 1 601 621.5 23 243.2 8.691 38 10 1 606 142.6 18 722.1 9.684 12 11 1 609 465.8 15 398.9 10.678 05 2s np 3 P ° 2 0 67 209.2 13 1 67 272.3 63.1 13 2 67 416.3 144.0 13 3 0 405 971.6 218 893.1 2.832 13 13 1 405 987.5 15.9 218 877.2 2.832 23 13 2 406 022.8 35.3 218 841.9 2.832 46 13 4 2 503 680.4 121 184.3 3.806 32 13 1 503 691.9 −11.5 121 172.8 3.806 50 13 0 503 699.8 −7.9 121 164.9 3.806 63 13 2s nd 3 D 3 1 420045.8 204 818.9 2.927 81 13 2 420 049.6 3.8 204 815.1 2.927 84 13 3 420 058.0 8.4 204 806.7 2.927 90 13 4 1 511 440. 113 425. 3.934 36 13 2 511 446. 6. 113 419. 3.93447 13 3 511 448.0 2. 113 416.7 3.934 51 13 5 1
552 789 6 72 075 1 4.935 56 13 2 3 552 790.9 1.3 72 073.8 4.935 60 13 6 575 030.5 49 834.2 5.935 72 *13 7 588 382.6 36 482.1 6.937 41 8 597 026.8 27 837.9 7.941 80 9 602 865.7 21 999.0 8.933 79 10 607 064.2 17 800.5 9.931 65 11 610 166.0 14 698.7 10.929 65 12 612 525.1 12 339.6 11.928 54 13 614 380.6 10484.1 12.941 09 14 615 894.4 8 970.3 13.99048 15 617 038.7 7 826.0 14.978 44 2s nf 3 F ° 4 2 516 552.6 108 312.1 4.026 15 13 3 516 560.8 8.2 108 303.9 4.026 30 13 4 516 572.0 11.2 108 292.7 4.026 51 13 5 554 571.8 70 292.9 4.997 73 13 2s ng 3 G 5 554339.7 70 525.0 4.989 50 13 6 575 809.4 49 055.3 5.982 54 13 2p np 3 S
Limit
:
²
P
1
2
° 3 1 498 036.9 207 549.7 2.908 55* 13 4 1 595 296.3 110 290.3 3.989 96 2s ns 3 P ° Limits: J = 0
→
²
P
1
2
° 1 2
→
²
P
1
2
° 3 0 465 291.8 240 036.1 2.704 52 13 1 465 371.0 79.2 239 956.9 2.704 97 13 2 465 536.6 165.6 240 050.0 2.704 44 13 4 0 577 957.8 127 370.1 3.712 82 1 578 045.4 87.6 127 282.5 3.714 09 2 578 210.6 165.2 127 376.0 3.712 73 5 0 626 355.0 78 972.9 4.715 18 1 626 445.3 90.3 78 882.6 4.717 87 2 626 611.9 166.6 78 974.7 4.715 12 6 0 651 590.1 53 737.8 5.716 06 1 651 671.8 81.7 53 656.1 5.720 42 2 651 859.9 188.1 53 726.7 5.716 66 7 0 1 666 458.2 38 869.7 6.720 96 2 666 665.4 207.2 38 921.2 6.716 51 8 2 676 090.7 29 495.9 7.715 36 9 2 682 464.8 23 121.8 8.714 18 10 2 686 954.2 18 632.4 9.707 40 2p ns 3 P Limits: J = 0
→
²
P
1
2
° 1
→
²
P
1
2
° 2 2 0 175 535.4 13 1 175 608.1 72.7 13 2 175 732.9 124.8 13 3 0 494 253.1 211 074.8 2.884 10 13 1 494 309.2 56.1 211 477.4 2.882 72 13 2 494 402.0 92.8 211 184.6 2.883 35 13 4 0 588 790.1 116 537.8 3.881 54 1 588 991.2 201.1 116 595.4 3.880 58 2 589 059.3 68.1 116 527.3 3.881 71 5 0 1 631 807.7 73 778.9 4.878 33 2 631 868.2 60.5 73 718.4 4.880 33 6 654 791.3 50 795.3 5.879 29 7 668 460.9 37.125.7 6.877 01 8 677 276.5 28 310.1 7.875 29 9 683 278.4 22 308.2 8.871 67 10 687 548.3 18 038.3 9.865 95 11 690 659.5 14 927.1 10.845 51 12 693 069.3 12 517.3 11.843 56 13 694 902.7 10 683.9 12.819 54 2p nd 3 P ° Limits: J = 2
→
²
P
1
2
° 1 0 3 2 511 509.3 194 077.3 3.007 75 13 1 511 560.4 −51.1 194 026.2 3.008 14 13 0 511 591.2 −30.8 193 995.4 3.008 38 13 4 2 594 489.9 111 096.7 3.975 45 1 594 547.7 −57.8 111 038.9 3.976 49 0 594 573.8 -26.1 111012.8 3.976 96 5 634 669.5 70 917.1 4.975 79 6 656 349.6 49 237.0 5.971 61 7 669 596.6 35 990.0 6.984 68 8 678 025.9 27 560.7 7.981 63 9 683 857.8 21 728.8 8.989 17 10 688.022.7 17 563.9 9.998 32 2p np 3 D Limits: J = 1
→
²
P
1
2
° 2 3
→
²
P
1
2
° 3 1 484 498.2 220 829.7 2.819 68 13 2 484 594.9 96.7 220 733.0 2.82030 13 3 484 746.2 151.3 220 840.4 2.819 61 13 4 1 585 709.5 119 618.4 3.831 23 2 585 798.1 88.6 119 529.8 3.832 65 3 585 929.8 131.7 119 656.8 3.830 61 5 1 630 268.8 75 059.1 4.836 55 2 630 333.6 64.8 74 994.3 4.838 64 3 630 473.0 139.4 75 113.6 4.834 79 6 1 2 653 909.4 51 418.5 5.843 56 3 654 053.9 144.5 51 532.7 5.837 08 7 1 2 667 872.6 37 455.3 6.846 69 3 668 031.3 158.7 37 555.3 6.837 57 8 3 676 994.0 28 592.6 7.836 28 9 3 683 092.7 22 493.9 8.834 95 10 3 687 432.9 18 153.7 9.834 55 2p nd 3 D ° Limits: J = 1
→
²
P
1
2
° 2
→
²
P
1
2
° 3 3 1 505 554.0 199 773.9 2.964 55 2 505 588.2 34.2 199 998.4 2.962 89 13 3 505 630.6 42.4 199 956.0 2.963 20 13 4 1 593 690.0 111 637.9 3.965 80 2 593 713.7 23.7 111 872.9 3.961 64 *13 3 593 772.1 58.4 111 814.5 3.962 67 *13 5 1 634 158.4 71 169.5 4.966 96 2 634 182.8 24.4 71 403.8 4.958 80 3 634 263.4 80.6 71 323.2 4.961 60 *13 6 1 656 043.6 49 284.3 5.968 74 2 656 074.7 31.1 49 511.9 5.955 01 3 656 155.7 81.0 49 430.9 5.959 88 7 669 328.5 36 258.1 6.958 80 8 677 844.3 27 742.3 7.955 47 9 683 692.6 21 894.0 8.955 19 10 687 875.8 17 710.8 9.956 76 11 690 976.4 14 610.2 10.962 48 12 (masked) 13 695 124.4 10462.2 12.954 64 2p nd 3 F ° Limits: J = 2
→
²
P
1
2
° 3 4
→
²
P
1
2
° 3 2 495 406.2 209 921.7 2.892 01 13 3 495 482.6 76.4 209 845.3 2.892 54 13 4 495 585.7 103.2 210000.9 2.891 47 13