Table I
Observed N iii lines in the region 150–500 Å.
λ (Å) Int.a Configuration Term J –J Ref.b 208.510 30d 2s 2p 2 –2p 2 (3 P )7p 4 P –4 S °208.670 50d 2s 2p 2 –2p 2 (3 P )7p 4 P –4 P °208.730 50l 2s 2p 2 –2p 2 (3 P )7p 4 P –4 D °212.019 20d 2s 2p 2 –2p 2 (3 P )6p 4 P –4 S °1/2–3/2 212.049 50 2s 2p 2 –2p 2 (3 P )6p 4 P –4 S °3/2–3/2 212.087 80 2s 2p 2 –2p 2 (3 P )6p 4 P –4 S °5/2–3/2 212.359 50d 2s 2p 2 –2p 2 (3 P )6p 4 P –4 P °212.465 100l 2s 2p 2 –2p 2 (3 P )6p 4 P –4 D °213.086 100d 2s 2 2p –2s 2p (1 P °)5p g 2 P °–2 P 1/2– 213.164 200d 2s 2 2p –2s 2p (1 P °)5p g 2 P °–2 P 3/2– 213.364 50d 2s 2 2p –2s 2p (1 P °)5p g 2 P °–2 D 1/2– 213.447 100d 2s 2 2p –2s 2p (1 P °)5p g 2 P °–2 D 3/2– 218.349 50 2s 2p 2 –2p 2 (3 P )5p 4 P –4 S °1/2–3/2 218.378 70 2s 2p 2 –2p 2 (3 P )5p 4 P –4 S °3/2–3/2 218.416 100 2s 2p 2 –2p 2 (3 P )5p 4 P –4 S °5/2–3/2 218.949 100d 2s 2p 2 –2p 2 (3 P )5p 4 P –4 P °219.168 250l 2s 2p 2 –2p 2 (3 P )5p 4 P –4 D °224.873 50d 2s 2 2p –2s 2p (3 P °)14p g 2 P °–2 D 3/2– 225.302 70d 2s 2 2p –2s 2p (3 P °)13p g 2 P °–2 D 3/2– 225.837 300d 2s 2 2p –2s 2p (3 P °)12p g 2 P °–2 D 3/2–5/2 226.030 300 2s 2 2p –2s 2p (1 P °)4p g 2 P °–2 P 1/2– 226.122 300 2s 2 2p –2s 2p (1 P °)4p g 2 P °–2 P 3/2– 226.520 50d 2s 2 2p –2s 2p (3 P °)11p g 2 P °–2 D 3/2–5/2 226.832 350 2s 2 2p –2s 2p (1 P °)4p g 2 P °–2 D 1/2–3/2 226.910 400 2s 2 2p –2s 2p (1 P °)4p g 2 P °–2 D 3/2–5/2 227.479 250b 2s 2 2p –2s 2p (3 P °)10p g 2 P °–2 D 1/2–3/2 227.515 250b 2s 2 2p –2s 2p (3 P °)10p g 2 P °–2 D 3/2–5/2 228.762 250b 2s 2 2p –2s 2p (3 P °)9p g 2 P °–2 D 1/2–3/2 228.790 250b 2s 2 2p –2s 2p (3 P °)9p g 2 P °–2 D 3/2–5/2 228.844 250b 2s 2 2p –2s 2p (3 P °)9p g 2 P °–2 D 3/2–3/2 230.591 300b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 D 1/2–3/2 230.626 300b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 D 3/2–5/2 230.681 300b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 D 3/2–3/2 230.765 250b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 P 1/2–3/2 230.789 250b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 P 1/2–1/2 230.861 250b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 P 3/2–3/2 230.879 250b 2s 2 2p –2s 2p (3 P °)8p g 2 P °–2 P 3/2–1/2 231.465 150 2s 2p 2 –2p 2 (3 P )4p 4 P –4 S °1/2–3/2 231.497 150 2s 2p 2 –2p 2 (3 P )4p 4 P –4 S °3/2–3/2 231.540 200 2s 2p 2 –2p 2 (3 P )4p 4 P –4 S °5/2–3/2 232.854 300d 2s 2p 2 –2p 2 (3 P )4p 4 P –4 P °233.332 400b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 D 1/2–3/2 233.368 400b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 D 3/2–5/2 233.393 350b 2s 2p 2 –2p 2 (3 P )4p 4 P –4 D °5/2–7/2 233.424 400b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 D 3/2–3/2 233.459 350b 2s 2p 2 –2p 2 (3 P )4p 4 P –4 D °233.498 350b 2s 2p 2 –2p 2 (3 P )4p 4 P –4 D °5/2–3/2 233.599 300b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 P 1/2–3/2 233.620 300b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 P 1/2–1/2 233.696 300b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 P 3/2–3/2 233.716 300b 2s 2 2p –2s 2p (3 P °)7p g 2 P °–2 P 3/2–1/2 237.532 450b 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 D 1/2–3/2 237.565 450b 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 D 3/2–5/2 237.624 450b 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 D 3/2–3/2 238.034 350 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 P 1/2–1/2 238.093 350 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 P 3/2–3/2 238.134 300 2s 2 2p –2s 2p (3 P °)6p g 2 P °–2 P 3/2–1/2 245.021 400d 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 S 1/2–1/2 245.115 400d 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 S 3/2–1/2 246.206 650b 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 D 1/2–3/2 246.249 650b 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 D 3/2–5/2 246.311 650b 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 D 3/2–3/2 248.320 350 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 P 1/2–3/2 248.371 350 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 P 1/2–1/2 248.428 350 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 P 3/2–3/2 248.478 350 2s 2 2p –2s 2p (3 P °)5p g 2 P °–2 P 3/2–1/2 257.502 300d 2s 2p 2 –2s 2p (3 P °)15d 4 P –4 P °, 4 D °257.953 500d 2s 2p 2 –2s 2p (3 P °)14d 4 P –4 P °, 4 D °258.499 650d 2s 2p 2 –2s 2p (3 P °)13d 4 P –4 P °, 4 D °259.189 700d 2s 2p 2 –2s 2p (3 P °)12d 4 P –4 P °, 4 D °260.090 800d 2s 2p 2 –2s 2p (3 P °)11d 4 P –4 P °, 4 D °261.282 800d 2s 2p 2 –2s 2p (3 P °)10d 4 P –4 P °, 4 D °262.184 800b 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 D 1/2–3/2 262.233 800b 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 D 3/2–5/2 262.289 800b 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 D 3/2–3/2 262.867 400d 2s 2p 2 –2s 2p (3 P °)9d 4 P –4 P °262.914 500d 2s 2p 2 –2s 2p (3 P °)9d 4 P –4 D °264.822 400b 2s 2 2p –2s 2p (1 P °)3p g 2 P °–2 P 1/2–3/2 264.846 400b 2s 2 2p –2s 2p (1 p °)3p g 2 P °–2 P 1/2–1/2 *A 264.945 400b 2s 2 2p –2s 2p (1 p °)3p g 2 P °–2 P 3/2–3/2 *A 264.966 400b 2s 2 2p –2s 2p (1 P °)3p g 2 P °–2 P 3/2–1/2 265.232 500d 2s 2p 2 –2s 2p (3 P °)8d 4 P –4 P °265.271 500d 2s 2p 2 –2s 2p (3 P °)8d 4 P –4 D °265.339 200b 2s 2 2p –2s 2 14s g 2 P °–2 S 3/2–1/2 265.852 200b 2s 2 2p –2s 2 13s g 2 P °–2 S 1/2–1/2 265.978 200b 2s 2 2p –2s 2 13s g 2 P °–2 S 3/2–1/2 266.255 500d 2s 2 2p –2s 2 12d g 2 P °–2 D 3/2– 266.613 200b 2s 2 2p –2s 2 12s g 2 P °–2 S 1/2–1/2 266.737 250b 2s 2 2p –2s 2 12s g 2 P °–2 S 3/2–1/2 266.805 350 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 P 1/2–3/2 266.847 400 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 P 1/2–1/2 266.930 400 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 P 3/2–3/2 266.974 350 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 P 3/2–1/2 267.199 500d 2s 2 2p –2s 2 11d g 2 P °–2 D 3/2– 267.661 250 2s 2 2p –2s 2 11s g 2 P °–2 S 1/2–1/2 267.787 300b 2s 2 2p –2s 2 11s g 2 P °–2 S 3/2–1/2 267.848 500 2s 2 2p –2s 2p (1 P °)3p g 2 P °–2 D 1/2–3/2 *A 267.952 500b 2s 2 2p –2s 2p (1 P °)3p g 2 P °–2 D 3/2–5/2 *A 267.966 500b 2s 2 2p –2s 2p (1 P °)3p g 2 P °–2 D 3/2–3/2 268.212 300 2s 2p 2 –2p 2 (3 P )3p 4 P –4 S °1/2 3/2 268.255 300 2s 2p 2 –2p 2 (3 P )3p 4 P –4 S °3/2–3/2 268.314 400 2s 2p 2 –2p 2 (3 P )3p 4 P –4 S °5/2–3/2 268.347 600d 2s 2 2p –2s 2 10d g 2 P °–2 D 1/2– 268.473 600d 2s 2 2p –2s 2 10d g 2 P °–2 D 3/2– 268.703 500 2s 2p 2 –2s 2p (3 P °)7d 4 P –4 P °268.756 400 2s 2p 2 –2s 2p (3 P °)7d 4 P –4 D °269.072 250 2s 2 2p –2s 2 10s g 2 P °–2 S 1/2–1/2 269.199 300 2s 2 2p –2s 2 10s g 2 P °–2 S 3/2–1/2 270.004 400b 2s 2 2p –2s 2p (3 P °)4p g 2 P °–2 S 1/2–1/2 270.073 650d 2s 2 2p –2s 2 9d g 2 P °–2 D 1/2– 270.201 650d 2s 2 2p –2s 2 9d g 2 P °–2 D 3/2– 270.554 50 2s 2p 2 –2s 2p (3 P °)7s 4 P –4 P °3/2–5/2 270.613 150 2s 2p 2 –2s 2p (3 P °)7s 4 P –4 P °5/2–5/2 270.685 50 2s 2p 2 –2s 2p (3 P °)7s 4 P –4 P °5/2–3/2 271.077 300 2s 2 2p –2s 2 9s g 2 P °–2 S 1/2–1/2 271.209 350 2s 2 2p –2s 2 9s g 2 P °–2 S 3/2–1/2 272.523 650d 2s 2 2p –2s 2 8d g 2 P °–2 D 1/2– 272.654 650d 2s 2 2p –2s 2 8d g 2 P °–2 D 3/2– 273.462 400 2s 2p 2 –2p 2 (3 P )3p 4 P –4 P °3/2–5/2 273.503 100 2s 2p 2 –2p 2 (3 p )3p 4 P –4 P °3/2–3/2 273.524 450 2s 2p 2 –2p 2 (3 p )3p 4 P –4 P °5/2–5/2 273.562 300 2s 2p 2 –2p 2 (3 P )3p 4 P –4 P °5/2–3/2 273.977 400 2s 2 2p –2s 2 8s g 2 P °–2 S 1/2–1/2 274.108 400 2s 2 2p –2s 2 8s g 2 P °–2 S 3/2–1/2 274.258 400b 2s 2p 2 –2s 2p (3 P °)6d 4 P –4 P °3/2–1/2 274.276 400b 2s 2p 2 –2s 2p (3 p °)6d 4 P –4 P °3/2–3/2 274.316 400b 2s 2p 2 –2s 2p (3 P °)6d 4 P –4 P °3/2–5/2 274.374 400b 2s 2p 2 –2s 2p (3 p °)6d 4 P –4 P °4 D °275.829 400b 2s 2p 2 –2p 2 (3 p )3p 4 P –4 D °5/2–7/2 275.852 400b 2s 2p 2 –2p 2 (3 P )3p 4 P –4 D °1/2–1/2 275.871 400b 2s 2p 2 –2p 2 (3 P )3p 4 P –4 D °3/2–3/2 275.883 400b 2s 2p 2 –2p 2 (3 P )3p 4 P –4 D °5/2–5/2 275.931 400b 2s 2p 2 –2p 2 (3 P )3p 4 P –4 D °5/2–3/2 276.193 700 2s 2 2p –2s 2 7d g 2 P °–2 D 1/2– 276.326 700 2s 2 2p –2s 2 7d g 2 P °–2 D 3/2– 277.813 300 2s 2p 2 –2s 2p (3 P °)6s 4 P –4 P °3/2–5/2 277.873 300b 2s 2p 2 –2s 2p (3 p °)6s 4 P –4 P °5/2–5/2 277.901 300b 2s 2p 2 –2s 2p (3 P °)6s 4 P –4 P °3/2–3/2 277.961 300 2s 2p 2 –2s 2p (3 P °)6s 4 P –4 P °5/2–3/2 278.436 400 2s 2 2p –2s 2 7s g 2 P °–2 S 1/2–1/2 278.572 400 2s 2 2p –2s 2 7s g 2 P °–2 S 3/2–1/2 282.070 700 2s 2 2p –2s 2 6d g 2 P °–2 D 1/2– *A 282.209 700 2s 2 2p –2s 2 6d g 2 P °–2 D 3/2– *A 283.863 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °1/2– 283.898 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °3/2–1/2 283.937 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °3/2–3/2 283.977 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °3/2–5/2 283.996 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °5/2–3/2 284.040 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 P °5/2–5/2 284.277 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 D °1/2–3/2 284.308 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 D °3/2–5/2 *A 284.336 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 D °5/2–7/2 *A 284.365 400b 2s 2p 2 –2s 2p (3 P °)5d 4 P –4 D °5/2–5/2 285.855 450 2s 2 2p –2s 2 6s g 2 P °–2 S 1/2–1/2 286.000 450 2s 2 2p –2s 2 6s g 2 P °–2 S 3/2–1/2 287.56 300d 2s 2p 2 –2s 2p (1 P °)4d 2 D –2 D °290.865 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °3/2–5/2 290.916 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °1/2–3/2 290.930 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °5/2–5/2 290.965 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °3/2–3/2 291.023 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °3/2–1/2 291.031 400b 2s 2p 2 –2s 2p (3 P °)5s 4 P –4 P °5/2–3/2 292.447 750 2s 2 2p –2s 2 5d g 2 P °–2 D 1/2–3/2 A 292.595 750 2s 2 2p –2s 2 5d g 2 P °–2 D 3/2–5/2 A 299.661 550 2s 2 2p –2s 2 5s g 2 P °–2 S 1/2–1/2 *A 299.818 550 2s 2 2p –2s 2 5s g 2 P °–2 S 3/2–1/2 *A 299.903 200b 2s 2p 2 –2s 2p (3 P °)8d 2 D –2 F °3/2–5/2 303.825 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °1/2–1/2 303.856 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °1/2–3/2 303.880 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °3/2–1/2 *A 303.910 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °3/2–3/2 303.960 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °3/2–5/2 *A 303.985 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °5/2–3/2 304.035 450b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 P °5/2–5/2 *A 304.103 300b 2s 2p 2 –2s 2p (3 P °)7d 2 D –2 F °5/2–7/2 304.203 300d 2s 2p 2 –2s 2p (3 P °)7d 2 D –2 F °3/2–5/2 304.786 500b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 D °1/2–3/2 304.812 500b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 D °3/2–5/2 *A 304.877 500b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 D °5/2–7/2 *A 304.921 500b 2s 2p 2 –2s 2p (3 P °)4d 4 P –4 D °5/2–3/2 *A 305.761 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 S 1/2–1/2 305.920 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 S 3/2–1/2 *A 310.746 50b 2s 2p 2 –2s 2p (3 P °)6d 2 D –2 P °3/2–1/2 310.803 100b 2s 2p 2 –2s 2p (3 P °)6d 2 D –2 P °5/2–3/2 311.007 350d 2s 2p 2 –2s 2p (3 P °)6d 2 D –2 F °5/2–7/2 311.113 350d 2s 2p 2 –2s 2p (3 P °)6d 2 D –2 F °3/2–5/2 311.550 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 D 1/2–3/2 *A 311.636 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 D 3/2–5/2 *A 311.721 400 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 D 3/2–3/2 314.715 800 2s 2 2p –2s 2 4d g 2 P °–2 D 1/2–3/2 AC 314.850 800b 2s 2 2p –2s 2 4d g 2 P °–2 D 3/2–5/2 AC 314.877 800b 2s 2 2p –2s 2 4d g 2 P °–2 D 3/2–3/2 AC 321.079 500b 2s 2p 2 –2s 2p (3 P °)4s 4 P –4 P °3/2–5/2 *A 321.135 500b 2s 2p 2 –2s 2p (3 P °)4s 4 P –4 P °1/2–3/2 321.162 500b 2s 2p 2 –2s 2p (3 P °)4s 4 P –4 P °5/2–5/2 *A 321.198 500b 2s 2p 2 –2s 2p (3 P °)4s 4 P –4 P °3/2–3/2 321.278 500b 2s 2p 2 –2s 2p (3 P °)4s 4 P –4 P °5/2–3/2 *A 323.263 600d 2s 2p 2 –2s 2p (3 P °)5d 2 D –2 F °3/2–5/2 323.436 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 P 1/2–3/2 *AC 323.493 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 P 1/2–1/2 *AC 323.620 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 P 3/2–3/2 *AC 323.675 500 2s 2 2p –2s 2p (3 P °)3p g 2 P °–2 P 3/2–1/2 *AC 325.788 20d 2s 2p 2 –2s 2p (3 P °)9d 2 S –2 P °1/2–1/2 325.841 50d 2s 2p 2 –2s 2p (3 P °)9d 2 S –2 P °1/2–3/2 329.242 50d 2s 2p 2 –2s 2p (3 p °)8d 2 S –2 P °1/2–1/2 329.307 100d 2s 2p 2 –2s 2p (3 P °)8d 2 S –2 P °1/2–3/2 330.26 300d 2s 2p 2 –2s 2p (1 P °)4d 2 P –2 D °332.140 650 2s 2 2p –2s 2 4s g 2 P °–2 S 1/2–1/2 *A 332.333 650 2s 2 2p –2s 2 4s g 2 P °–2 S 3/2–1/2 *A 334.407 200 2s 2p 2 –2s 2p (3 P °)7d 2 S –2 P °1/2–1/2 334.476 250 2s 2p 2 –2s 2p (3 P °)7d 2 S –2 P °1/2–3/2 338.349 500 2s 2p 2 –2s 2p (1 P °)3d 2 D –2 D °*A 338.808 250d 2s 2p 2 –2p 2 (3 p )3p 2 P –2 S °1/2–1/2 338.937 300d 2s 2p 2 –2p 2 (3 P )3p 2 P –2 S °3/2–1/2 340.20 500d 2s 2p 2 –2s 2p (1 P °)3d 2 D –2 F °342.665 250 2s 2p 2 –2s 2p (3 P °)6d 2 S –2 P °1/2–1/2 342.741 300 2s 2p 2 –2s 2p (3 P °)6d 2 S –2 P °1/2–3/2 347.072 100 2s 2p 2 –2s 2p (3 P °)4d 2 D –2 P °3/2–1/2 347.148 200 2s 2p 2 –2s 2p (3 P °)4d 2 D –2 P °5/2–3/2 348.683 800b 2s 2p 2 –2s 2p (3 P °)4d 2 D –2 F °5/2–7/2 *A 348.816 800b 2s 2p 2 –2s 2p (3 P °)4d 2 D –2 F °3/2–5/2 *A 351.979 500b 2s 2p 2 –2s 2p (3 P °)4d 2 D –2 D °A 352.114 20 2s 2p 2 –2s 2p (3 P °)7d 2 P –2 P °3/2–3/2 357.238 400 2s 2p 2 –2s 2p (3 P °)5d 2 S –2 P °1/2–1/2 357.324 450 2s 2p 2 –2s 2p (3 P °)5d 2 S –2 P °1/2–3/2 358.278 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °1/2–1/2 AC 358.327 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °1/2–3/2 AC 358.356 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °3/2–1/2 AC 358.401 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °3/2–3/2 AC 358.469 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °3/2–5/2 AC 358.509 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °5/2–3/2 AC 358.578 600b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 P °5/2–5/2 AC 361.061 100 2s 2p 2 –2s 2p (3 P °)6d 2 P –2 P °1/2–1/2 361.143 50 2s 2p 2 –2s 2p (3 P °)6d 2 P –2 P °1/2–3/2 361.205 50 2s 2p 2 –2s 2p (3 P °)6d 2 P –2 P °3/2–1/2 361.288 200 2s 2p 2 –2s 2p (3 P °)6d 2 P –2 P °3/2–3/2 362.831 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °1/2–3/2 *AC 362.876 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °3/2–5/2 *AC 362.902 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °3/2–3/2 362.949 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °5/2–7/2 *AC 362.982 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °5/2–5/2 *AC 363.004 700b 2s 2p 2 –2s 2p (3 P °)3d 4 P –4 D °5/2–3/2 370.640 300 2s 2p 2 –2p 2 (3 P )3p 2 P –2 D °1/2–3/2 370.794 350 2s 2p 2 –2p 2 (3 P )3p 2 P –2 D °3/2–5/2 374.204 900 2s 2 2p –2s 2 3d g 2 P °–2 D 1/2–3/2 BAC 374.441 900 2s 2 2p –2s 2 3d g 2 P °–2 D 3/2–5/2 BAC 377.286 100 2s 2p 2 –2s 2p (3 P °)5d 2 P –2 P °1/2–1/2 377.380 100 2s 2p 2 –2s 2p (3 P °)5d 2 P –2 P °1/2–3/2 377.444 100 2s 2p 2 –2s 2p (3 P °)5d 2 P –2 P °3/2–1/2 377.540 250 2s 2p 2 –2s 2p (3 P °)5d 2 P –2 P °3/2–3/2 387.483 500b 2s 2p 2 –2s 2p (3 P °)4d 2 S –2 P °1/2–3/2 396.186 450 2s 2p 2 –2s 2p (1 P °)3s 2 D –2 P °398.885 500 2s 2p 2 –2s 2p (1 P °)3d 2 P –2 D °1/2–3/2 A 399.045 600b 2s 2p 2 –2s 2p (1 P °)3d 2 P –2 D °3/2–5/2 A 399.084 600b 2s 2p 2 –2s 2p (1 P °)3d 2 P –2 D °3/2–3/2 A 411.056 350 2s 2p 2 –2s 2p (3 P °)4d 2 P –2 P °1/2–1/2 411.173 200 2s 2p 2 –2s 2p (3 P °)4d 2 P –2 P °1/2–3/2 411.243 200 2s 2p 2 –2s 2p (3 P °)4d 2 P –2 P °3/2–1/2 411.361 400 2s 2p 2 –2s 2p (3 P °)4d 2 P –2 P °3/2–3/2 413.681 450 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 P °3/2–1/2 A 413.797 450 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 P °5/2–3/2 A 418.712 650 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 F °5/2–7/2 *AC 418.919 650 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 F °3/2–5/2 *AC 428.180 600b 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 D °5/2–5/2 AC 428.244 600b 2s 2p 2 –2s 2p (3 P °)3d 2 D –2 D °3/2–3/2 AC 433.911 650b 2s 2p 2 –2s 2p (3 p °)3s 4 P –4 P °3/2–5/2 AC 434.014 650b 2s 2p 2 –2s 2p (3 P °)3s 4 P –4 P °1/2–3/2 AC 434.066 650b 2s 2p 2 –2s 2p (3 P °)3s 4 P –4 P °5/2–5/2 AC 434.129 650b 2s 2p 2 –2s 2p (3 P °)3s 4 P –4 P °3/2–3/2 AC 434.246 650b 2s 2p 2 –2s 2p (3 P °)3s 4 P –4 P °3/2–1/2 AC 434.280 650b 2s 2p 2 –2s 2p (3 P °)3s 4 P –4 P °5/2–3/2 AC 448.285 350 2p 3 –2p 2 (3 P )3d 4 S °–4 P 3/2–1/2 448.384 450 2p 3 –2p 2 (3 P )3d 4 S °–4 P 3/2–3/2 448.549 450 2p 3 –2p 2 (3 P )3d 4 S °–4 P 3/2–5/2 449.559 450 2s 2p 2 –2s 2p (1 P °)3s 2 S –2 P °1/2– 451.869 900 2s 2 2p –2s 2 3s g 2 P °–2 S 1/2–1/2 AC 452.226 900 2s 2 2p –2s 2 3s g 2 P °–2 S 3/2–1/2 AC 456.077 600 2s 2p 2 –2s 2 4f 2 D –2 F °5/2–7/2 *A 467.432 500 2p 3 –2p 2 (3 P )3s 4 S °–4 P 3/2–5/2 467.649 450 2p 3 –2p 2 (3 P )3s 4 S °–4 P 3/2–3/2 467.795 350 2p 3 –2p 2 (3 P )3s 4 S °–4 P 3/2–1/2 472.239 550 2s 2p 2 –2s 2p (3 P °)3d 2 S –2 P °1/2–1/2 *AC 472.399 550 2s 2p 2 –2s 2p (3 P °)3d 2 S –2 P °1/2–3/2 *AC 481.778 500 2s 2p 2 –2s 2p (1 P °)3s 2 P –2 P °1/2–1/2 482.030 500 2s 2p 2 –2s 2p (1 P °)3s 2 P –2 P °3/2–3/2
a In the intensity column, a “d” following the intensity figure indicates a diffuse line; “b” indicates a blend; “l” means that the line is asymmetric and shaded toward longer wavelengths. The text should be consulted for cautions regarding 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. Stand. (U.S.) Circ. No. 488. Section I (1950), 78 pp.; Sec. II (1952), 115 pp. (available from U. S. Govt. Printing Office, Washington, D. C.).
Table II
Doublet-term system of N iii .
n J E (cm−1 )Int. T (cm−1 )n *Ref.a 2s 2 (1 S 0 )ns 2 S 3 1/2 221 302.4 161 401.6 2.473 64 E 4 1/2 301 077.5 81 626.5 3.478 36 *E 5 1/2 333 710.2 48 993.8 4.489 72 *E 6 1/2 349 824.8 32 879.2 5.480 62 7 1/2 359 148.1 23 555.9 6.475 01 8 1/2 364 994.2 17 709.8 7.467 64 9 1/2 368 893.8 13 810.2 8.456 49 10 1/2 371 646.9 11 057.1 9.450 82 11 1/2 373 605.6 9 098.4 10.418 55 12 1/2 375 075.6 7 628.4 11.378 19 13 1/2 376 145.4 6 558.6 12.271 13 14 1/2 377 050.9 5 653.1 13.217 42 2s 2 (1 S 0 )np 2 P ° 2 1/2 0.0 E 3/2 174.36 174.36 E 3 1/2 245 665.7 137 038.3 2.684 53 E 3/2 245 701.7 36.0 137 002.3 2.684 89 E 4 1/2 311 691.3 71 012.7 3.729 25 E 3/2 311 716.1 24.8 70 987.9 3.729 91 E 2s 2 (1 S 0 )nd 2 D 3 3/2 267 238.5 115 465.5 2.924 58 E 5/2 267 244.5 6.0 115 459.5 2.924 66 E 4 3/2 317 750.8 64 953.2 3.899 33 E 5/2 317 781.8 31.0 64 922.2 3.900 26 E 5 3/2 341 946.2 40 757.8 4.922 49 E 5/2 341 947.9 1.7 40 756.1 4.922 59 E 6 354 517 28 187 5.919 2 E 7 362 066 20 638 6.917 6 8 366 940 15 764 7.915 1 9 370 269 12 435 8.911 8 10 372 651 10 053 9.911 6 11 374 427 8 277 10.923 3 12 375 754 6 950 11.920 6 2s 2 (1 S 0 )nf 2 F ° 4 320 287.5 62 416.5 3.977 78 E 5 342 752.0 39 952.0 4.971 88 E 6 354 955.7 27 748.3 5.965 84 E 2s 2 (1 S 0 )ng 2 G 5 343 116 39 588 4.994 69 E 6 355 214 27 490 5.993 80 E 2s 2p (3 P °)np 2 S Limit 3 P 2 ° 2 1/2 131 003.5 319 116.8 1.759 20 E 3 1/2 327 057.3 123 063.0 2.832 87 4 1/2 370 365 79 755 3.518 9 5 1/2 408 128 41 992 4.849 6 2s 2p (3 P °)ns 2 P ° 3 1/2 297 150.2 E 3/2 297 263.1 112.9 E 2s 2p (3 P °)np 2 P Limits J = 1/2 → 3 P 1 ° 3/2 → 3 P 2 ° 2 1/2 145 876.1 E 3/2 145 986.5 110.4 E 3 1/2 309 132.6 140 843.7 2.648 02 E 3/2 309 185.8 53.2 140 934.5 2.647 17 E 4 1/2 374 747.4 75 228.9 3.623 24 E 3/2 374 805.3 57.9 75 315.0 3.621 17 E 5 1/2 402 624.6 47 351.7 4.566 91 3/2 402 705.6 81.0 47 414.7 4.563 87 6 1/2 420 106.1 29 870.2 5.750 04 3/2 420 178.4 72.3 29 941.9 5.743 15 7 1/2 428 045.5 21 930.8 6.710 62 3/2 428 080.8 35.3 22 039.5 6.694 05 8 1/2 433 296.2 16 680.1 7.694 68 3/2 433 335.6 39.4 16 784.7 7.670 67 2s 2p (3 P °)nd 2 P ° Limits J = 3/2 → 3 P 0 ° 1/2 → 3 P 1 ° 3 3/2 342 693.0 107 220.2 3.034 95 E 1/2 342 763.7 −70.7 107 212.6 3.035 06 E 4 3/2 389 082.0 60 831.2 4.029 27 1/2 389 152.0 −70.0 60 824.3 4.029 50 5 3/2 410 859.1 39 054.1 5.028 71 1/2 410 927.0 −67.9 39 049.3 5.029 02 6 3/2 422 774.0 27 139.2 6.032 42 1/2 422 837.6 −63.6 27 138.7 6.032 47 7 3/2 429 978.6 19 934.6 7.038 60 1/2 430 040.3 −61.7 19 936.0 7.038 35 8 3/2 434 671.5 15 241.7 8.049 58 1/2 434 731.5 −60.0 15 244.8 8.048 76 9 3/2 437 901.6 12 011.6 9.067 54 1/2 437 951.6 −50.0 12 024.7 9.062 60 2s 2p (3 P °)np 2 D Limits J = 5/2 → 3 P 2 ° 3/2 → 3 P 1 ° 2 5/2 101 023.8 E 3/2 101 031.5 −7.7 E 3 3/2 320 975.8 129 000.5 2.766 91 *E 5/2 321 061.7 85.9 129 058.6 2.766 28 *E 4 3/2 381 411.5 68 564.8 3.795 24 *E 5/2 381 514.8 103.3 68 605.5 3.794 12 *E 5 3/2 406 163.9 43 812.4 4.747 79 5/2 406 267.5 103.6 43 852.8 4.745 60 6 3/2 420 995.9 28 980.4 5.837 65 5/2 421 111.9 116.0 29 008.4 5.834 83 7 3/2 428 573.9 21 402.4 6.792 95 5/2 428 682.3 108.4 21 438.0 6.787 31 8 3/2 433 668.3 16 308.0 7.781 97 5/2 433 777.0 108.7 16 343.3 7.773 56 9 3/2 437 135.5 12 840.8 8.769 89 5/2 437 256.5 121.0 12 863.8 8.762 04 10 3/2 439 601.0 10 375.3 9.756 40 5/2 439 706.0 105.0 10 414.3 9.738 12 11 5/2 441 637 8 483 10.789 7 12 5/2 442 972 7 148 11.754 1 13 5/2 444 023 6 097 12.726 9 14 5/2 444 870 5 250 13.715 1 2s 2p (3 P °)nd 2 D ° 3 3/2 334 542.2 E 5/2 334 568.9 26.7 E 4 385 126 E 2s 2p (3 P °)nf 2 D 4 5/2 388 376.9 E 3/2 388 442.4 −65.5 E 2s 2p (3 P °)nd 2 F ° Limits J = 5/2 → 3 P 1 ° 7/2 → 3 P 2 ° 3 5/2 339 744.4 110 231.9 2.993 20 E 7/2 339 855.7 111.3 110 264.6 2.992 76 E 4 5/2 387 715.6 62 260.7 3.982 75 *E 7/2 387 817.2 101.6 62 303.1 3.981 39 *E 5 5/2 410 377.1 39 599.2 4.993 98 7/2 6 5/2 422 458.1 27 518.2 5.990 73 7/2 422 560.0 101.9 27 560.3 5.986 16 7 5/2 429 759.4 20 216.9 6.989 28 7/2 429 859.8 100.4 20 260.5 6.981 76 8 5/2 434 472.6 15 503.7 7.981 28 2s 2p (3 P °)nf 2 F 4 5/2 386 953.4 E 7/2 386 974 21 E 2s 2p (3 P °)nf 2 G 4 7/2 388 190.3 E 9/2 388 290.0 99.7 E 2s 2p (1 P °)ns 2 P ° 3 1/2 353 440.6 159 957.3 2.484 78 3/2 353 442.5 1.9 159 955.4 2.484 79 2s 2p (1 P °)np 2 P 3 1/2 377 577.9 135 820.0 2.696 55 ∗E 3/2 377 611.3 33.4 135 786.6 2.696 88 4 442 414 70 984 3.730 0 5 469 297 44 100 4.732 2 2s 2p (1 P °)np 2 D 3 3/2 373 346.1 140 051.8 2.655 50 ∗E 5/2 373 375.7 29.6 140 022.2 2.655 78 ∗E 4 3/2 440 854.9 72 543.0 3.689 71 5/2 440 877.9 23.0 72 520.0 3.690 29 5 468 683 44 715 4.699 6 2s 2p (1 P °)nd 2 D ° 3 3/2 396 574.9 116 823.0 2.907 54 E 5/2 396 584.8 9.9 116 813.1 2.907 66 E 4 448 775 64 623 3.909 3 2s 2p (1 P °)nd 2 F ° 3 394 969 118 429 2.887 8 4 (448 126)b (65 272) (3.890) 2p 2 (3 P )np 2 S ° Limit 3 P 2 3 1/2 441 026.6 117 410.3 2.900 26 2p 2 (3 p )np 2 P ° 2 1/2 230 404.5 E 3/2 230 408.6 4.1 E 2p 2 (3 P )np 2 D ° Limit J = 5/2
→ 3 P 0 3/2 2 5/2 203 072.2 E 3/2 203 088.9 −16.7 E 3 5/2 415 678.0 142 561.4 2.632 02 3/2 415 679.7 −1.7 142 559.7 2.632 03
a Energy levels marked with an E in the reference column have been previously reported by Edlén (Refs.
4 and
6 ) and are listed in Ref.
12 . An asterisk preceding the E indicates that the line has been newly measured.
b Estimated accuracy for this level is ±700 cm
−1 .
Table III
Quartet-term system of N iii .
n J E (cm−1 )Int. T (cm−1 )n *Ref.a 2s 2p (3 P °)np 4 S 3 3/2 314 219.0 E 4 3/2 378 435.5 E 2s 2p (3 P °)ns 4 P ° Limits J = 1/2 → 3 P 0 ° 3/2 → 3 P 1 ° 5/2 → 3 P 2 ° 3 1/2 287 530.6 162 382.6 2.466 15 E 3/2 287 593.1 62.5 162 383.2 2.466 15 E 5/2 287 708.9 115.8 162 411.4 2.465 94 E 4 1/2 368 520.6 81 392.6 3.483 35 E 3/2 368 583.3 62.7 81 393.0 3.483 34 E 5/2 368 699.8 116.5 81 420.5 3.482 76 E 5 1/2 400 862.5 49 050.7 4.487 12 3/2 400 934.2 71.7 49 042.1 4.487 51 5/2 401 053.5 119.3 49 066.8 4.486 38 6 1/2 3/2 417 090.9 32 885.4 5.480 10 5/2 417 204.8 113.9 32 915.5 5.477 59 7 1/2 3/2 426 761.3 23 215.0 6.522 37 5/2 426 859.6 98.3 23 260.7 6.515 96 2s 2p (3 P °)np 4 P 2 1/2 57 187.1 E 3/2 57 247.0 59.9 E 5/2 57 328.2 81.2 E 3 1/2 317 294.9 E 3/2 317 338.4 43.5 E 5/2 317 397.3 58.9 E 4 1/2 379 302.3 E 3/2 379 347.1 44.8 E 5/2 379 400.0 52.9 E 2s 2p (3 P °)np 4 P ° Limits J = 5/2
→ 3 P 2 ° 3/2 1/2 3 5/2 336 208.4 113 911.9 2.944 46 E 3/2 336 263.0 −54.6 113 857.3 2.945 16 E 1/2 336 298.1 −35.1 113 822.2 2.945 62 E 4 5/2 386 237.7 63 882.6 3.931 87 *E 3/2 386 291.8 −54.1 63 828.5 3.933 53 1/2 386 324.3 −32.5 63 796.0 3.934 53 5 5/2 409 391.3 40 729.0 4.924 23 3/2 409 445.8 −54.5 40 674.5 4.927 53 1/2 409 486.2 −40.4 40 634.1 4.929 97 6 5/2 421 794.2 28 326.1 5.904 68 3/2 421 843.2 −49.0 28 277.1 5.909 80 1/2 421 867.2 −24.0 28 253.1 5.912 31 7 429 486.3 20 634.0 6.918 28 8 434 356.6 15 763.7 7.915 18 9 437 748.7 12 371.6 8.934 64 2s 2p (3 P °)np 4 D 3 1/2 309 657.8 E 3/2 309 693.3 35.5 E 5/2 309 755.5 62.2 E 7/2 309 851.7 96.2 E 4 1/2 376 751.6 E 3/2 376 798.3 46.7 E 5/2 376 858.8 60.5 E 7/2 376 948.3 89.5 E 2s 2p (3 P °)nd 4 D ° Limits J = 1/2
→ 3 P 0 ° 3/2 5/2 → 3 P 1 ° 7/2 → 3 P 2 ° 3 1/2 332 791.6 117 121.6 2.903 83 E 3/2 332 805.0 13.4 117 108.2 2.904 00 E 5/2 332 827.0 22.0 117 149.3 2.903 49 E 7/2 332 855.3 28.3 117 265.0 2.902 06 E 4 1/2 3/2 385 291 64 622 3.909 3 E 5/2 385 318 27 64 658 3.908 2 E 7/2 385 347 29 64 773 3.904 7 E 5 1/2 3/2 408 956.7 40 956.5 4.910 53 5/2 408 978.2 21.5 40 998.1 4.908 04 7/2 409 024.8 46.6 41 095.5 4.902 22 *E 6 421 794.2 28 326.1 5.904 68 7 429 412.9 20 707.4 6.906 01 8 434 301.2 15 819.1 7.901 31 9 437 680.7 12 439.6 8.910 19 10 440 056.4 10 063.9 9.906 19 11 441 810.5 8 309.8 10.901 71 12 443 147.0 6 973.3 11.900 65 13 444 176.9 5 943.4 12.890 58 14 444 995.7 5 124.6 13.882 25 15 445 674.7 4 445.6 14.904 75 2s 2p (3 P °)nf 4 D 4 7/2 388 268.4 E 5/2 388 305.9 −37.5 E 3/2 388 354.2 −48.3 E 1/2 388 381.6 −27.4 E 2s 2p (3 P °)nd 4 F ° 3 3/2 330 233.4 E 5/2 330 268.5 35.1 E 7/2 330 320.3 51.8 E 9/2 330 391.7 71.4 E 4 3/2 5/2 384 011 E 7/2 384 060 49 E 9/2 384 134 74 E 2s 2p (3 P °)nf 4 F 4 3/2 5/2 386 995.8 E 7/2 387 005.3 9.5 E 9/2 387 037.3 32.0 E 2s 2p (3 P °)nf 4 G 4 5/2 388 034.2 E 7/2 388 077.9 43.7 E 9/2 388 129.8 51.9 E 11/2 388 193 63 E 2p 2 (3 P )np 4 S ° Limit 3 P 2 2 3/2 186 797.3 E 3 3/2 430 025.9 128 411.0 2.773 25 4 3/2 489 219.0 69 217.9 3.777 29 5 3/2 515 170.1 43 266.8 4.777 63 6 3/2 528 832.8 29 604.1 5.775 83 7 3/2 536 921.5 21 515.4 6.775 09 2p 2 (3 P )ns 4 P Limits J = 1/2 → 3 P 0 3/2 → 3 P 1 5/2 → 3 P 2 3 1/2 400 566.2 157 673.2 2.502 71 3/2 400 632.9 66.7 157 679.2 2.502 67 5/2 400 732.2 99.3 157 704.7 2.502 46 2p 2 (3 P )np 4 P ° Limits J = 1/2 → 3 P 0 3/2 → 3 P 1 5/2 → 3 P 2 3 1/2 3/2 422 876.0 135 436.1 2.700 37 5/2 422 926.8 50.8 135 510.1 2.699 63 4 486 781.8 71 655.1 3.712 50 5 514 055.6 44 381.3 4.717 26 6 528 228.9 30 208.0 5.717 80 7 536 553.8 21 883.1 6.717 93 2p 2 (3 P )nd 4 P Limits J = 5/2
→ 3 P 2 3/2 1/2 3 5/2 409 738.4 148 698.5 2.577 13 3/2 409 820.4 −82.0 148 616.5 2.577 84 1/2 409 869.7 −49.3 148 567.2 2.578 27 2p 2 (3 P )np 4 D ° Limits J = 1/2
→ 3 P 0 3/2 5/2 → 3 P 1 7/2 → 3 P 2 3 1/2 419 700.3 138 539.1 2.669 95 3/2 419 737.6 37.3 138 501.8 2.670 31 5/2 419 800.7 63.1 138 511.4 2.670 22 7/2 419 871.7 71.0 138 565.2 2.669 70 4 1/2 4 3/2 485 597.4 72 642.0 3.687 19 5/2 485 668.9 71.5 72 643.2 3.687 16 7/2 485 790.1 121.2 72 646.8 3.687 07 5 513 599 44 838 4.693 2 6 527 994 30 443 5.695 7 7 536 416 22 021 6.696 9
a Energy levels marked with an E in the reference column have been previously reported by Edlén (Refs.
4 and
6 ) and are listed in Ref.
12 . An asterisk preceding the E indicates that the line has been newly measured.
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