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1621148.6 300 2s 2p2 4d 3 D 1.0 -1.0 1621237.5 301 2s 2p2 4f 3 F 3.0 -1.0 1621591.4 302 2s 2p2 4d 3 D 2.0 -1.0 1621594.6 303 2s2 2p 5d 3 F 2.0 -1.0 1621917.0 304 2s 2p2 4f 3 F 4.0 -1.0 1621926.8 305 2s 2p2 4d 3 D 3.0 -1.0 1621960.1 306 2s2 2p 5d 3 F 3.0 -1.0 1622882.2 307 2s2 2p 5d 1 D 2.0 -1.0 1623217.2 308 2s2 2p 5d 3 D 1.0 -1.0 1624444.5 309 2s2 2p 5d 3 F 4.0 -1.0 1624720.8 310 2s 2p2 4f 5 D 4.0 -1.0 1625397.6 311 2s2 2p 5d 3 D 2.0 -1.0 1625443.0 312 2s 2p2 4f 5 D 3.0 -1.0 1625809.8 313 2s 2p2 4f 5 D 2.0 -1.0 1626103.1 314 2s 2p2 4f 5 D 1.0 -1.0 1626289.6 315 2s2 2p 5d 3 D 3.0 -1.0 1626323.6 316 2s 2p2 4f 5 D 0.0 -1.0 1626380.2 317 2s2 2p 5d 3 P 2.0 -1.0 1626915.6 318 2s2 2p 5d 3 P 1.0 -1.0 1627115.8 319 2s2 2p 5d 3 P 0.0 -1.0 1627220.5 320 2s2 2p 5d 1 P 1.0 -1.0 1630147.9 321 2s2 2p 5d 1 F 3.0 -1.0 1630182.5 322 2p3 3d 3 D 3.0 -1.0 1638906.1 323 2p3 3d 3 D 2.0 -1.0 1639076.0 324 2p3 3d 3 D 1.0 -1.0 1639234.4 325 2p3 3p 3 P 0.0 -1.0 1641662.0 326 2p3 3p 3 P 1.0 -1.0 1641754.2 327 2p3 3p 3 P 2.0 -1.0 1641998.5 328 2p3 3p 1 D 2.0 -1.0 1648166.8 329 2p3 3p 3 S 1.0 -1.0 1657075.8 330 2s 2p2 4s 3 D 1.0 -1.0 1658529.8 331 2s 2p2 4s 3 D 2.0 -1.0 1658693.9 332 2s 2p2 4s 3 D 3.0 -1.0 1658897.4 333 2p3 3d 3 F 2.0 -1.0 1660854.5 334 2p3 3d 3 F 3.0 -1.0 1661126.6 335 2p3 3d 3 F 4.0 -1.0 1661479.1 336 2p3 3d 3 G 3.0 -1.0 1665196.2 337 2p3 3d 3 G 4.0 -1.0 1665270.9 338 2p3 3d 3 G 5.0 -1.0 1665354.5 339 2p3 3d 1 S 0.0 -1.0 1666069.4 340 2p3 3d 1 G 4.0 -1.0 1667178.6 341 2p3 3p 3 D 1.0 -1.0 1668968.4 342 2p3 3p 3 D 2.0 -1.0 1669269.8 343 2p3 3p 3 D 3.0 -1.0 1669344.9 344 2p3 3p 1 P 1.0 -1.0 1669717.6 345 2p3 3d 1 P 1.0 -1.0 1678892.2 346 2s 2p2 4s 1 D 2.0 -1.0 1679189.9 347 2p3 3d 3 D 1.0 -1.0 1679906.9 348 2p3 3d 3 D 2.0 -1.0 1679970.8 349 2p3 3d 3 D 3.0 -1.0 1680205.6 350 2p3 3p 3 P 2.0 -1.0 1682010.9 351 2p3 3p 3 P 1.0 -1.0 1682148.9 352 2p3 3p 3 P 0.0 -1.0 1682266.9 353 2p3 3d 3 P 2.0 -1.0 1687758.6 354 2s 2p2 4p 1 F 3.0 -1.0 1687787.1 355 2s 2p2 4p 3 F 2.0 -1.0 1687799.6 356 2p3 3d 3 P 1.0 -1.0 1687937.8 357 2p3 3d 3 P 0.0 -1.0 1687999.1 358 2s 2p2 4p 3 F 3.0 -1.0 1688005.0 359 2s 2p2 4p 3 F 4.0 -1.0 1688094.4 360 2s 2p2 4p 1 D 2.0 -1.0 1688345.9 361 2s 2p2 4p 3 D 1.0 -1.0 1692330.1 362 2s 2p2 4p 3 D 2.0 -1.0 1692417.5 363 2s 2p2 4p 3 D 3.0 -1.0 1692529.4 364 2p3 3p 1 D 2.0 -1.0 1692883.4 365 2s 2p2 4p 3 P 2.0 -1.0 1696919.1 366 2s 2p2 4p 3 P 1.0 -1.0 1697001.5 367 2s 2p2 4p 3 P 0.0 -1.0 1697039.6 368 2s 2p2 4p 1 P 1.0 -1.0 1700348.9 369 2p3 3d 1 D 2.0 -1.0 1700991.8 370 2p3 3d 3 S 1.0 -1.0 1701528.0 371 2p3 3d 1 F 3.0 -1.0 1702011.6 372 2s 2p2 4d 3 G 3.0 -1.0 1712684.6 373 2s 2p2 4d 3 G 4.0 -1.0 1712722.8 374 2s 2p2 4d 3 G 5.0 -1.0 1712769.6 375 2s 2p2 4d 3 F 2.0 -1.0 1713264.0 376 2s 2p2 4d 3 F 3.0 -1.0 1713278.1 377 2s 2p2 4d 3 F 4.0 -1.0 1713290.6 378 2s 2p2 4d 3 D 1.0 -1.0 1715252.6 379 2s 2p2 4d 3 D 2.0 -1.0 1715277.2 380 2s 2p2 4d 3 D 3.0 -1.0 1715313.4 381 2s 2p2 4s 1 S 0.0 -1.0 1717006.1 382 2s 2p2 4f 1 D 2.0 -1.0 1717114.9 383 2s 2p2 4f 3 P 2.0 -1.0 1717924.9 384 2s 2p2 4f 3 P 0.0 -1.0 1717975.4 385 2s 2p2 4f 3 P 1.0 -1.0 1717976.6 386 2s 2p2 4d 3 S 1.0 -1.0 1718086.6 387 2s 2p2 4d 1 F 3.0 -1.0 1718185.0 388 2s 2p2 4d 1 G 4.0 -1.0 1718218.6 389 2s 2p2 4d 3 P 0.0 -1.0 1719652.1 390 2s 2p2 4d 3 P 1.0 -1.0 1719672.0 391 2s 2p2 4d 3 P 2.0 -1.0 1719710.1 392 2p3 3d 3 F 4.0 -1.0 1720149.0 393 2p3 3d 3 F 3.0 -1.0 1720262.4 394 2p3 3d 3 F 2.0 -1.0 1720392.5 395 2s 2p2 4f 3 D 3.0 -1.0 1722861.9 396 2s 2p2 4d 1 D 2.0 -1.0 1722942.5 397 2s 2p2 4f 3 D 2.0 -1.0 1723065.6 398 2s 2p2 4f 3 D 1.0 -1.0 1723163.6 399 2s 2p2 4d 1 P 1.0 -1.0 1724630.9 400 2s 2p2 4f 1 P 1.0 -1.0 1725390.1 401 2s 2p2 4f 3 G 3.0 -1.0 1725674.1 402 2s 2p2 4f 3 G 4.0 -1.0 1725736.4 403 2s 2p2 4f 3 G 5.0 -1.0 1725796.2 404 2s 2p2 4f 1 F 3.0 -1.0 1726195.5 405 2s 2p2 4f 3 H 4.0 -1.0 1726887.0 406 2s 2p2 4f 3 H 5.0 -1.0 1726912.1 407 2s 2p2 4f 3 H 6.0 -1.0 1726941.2 408 2s 2p2 4f 1 H 5.0 -1.0 1727457.0 409 2s 2p2 4s 3 S 1.0 -1.0 1727648.9 410 2s 2p2 4f 1 G 4.0 -1.0 1727879.5 411 2s 2p2 4d 1 S 0.0 -1.0 1729197.0 412 2s 2p2 4f 3 F 4.0 -1.0 1730518.8 413 2s 2p2 4f 3 F 2.0 -1.0 1730529.1 414 2s 2p2 4f 3 F 3.0 -1.0 1730533.8 415 2p3 3d 3 P 0.0 -1.0 1741943.5 416 2p3 3d 3 P 1.0 -1.0 1742135.8 417 2p3 3d 3 P 2.0 -1.0 1742510.5 418 2p3 3d 3 D 3.0 -1.0 1743829.8 419 2p3 3d 3 D 2.0 -1.0 1743900.5 420 2p3 3d 3 D 1.0 -1.0 1743969.8 421 2p3 3p 1 S 0.0 -1.0 1749017.9 422 2p3 3d 1 D 2.0 -1.0 1751043.6 423 2p3 3d 1 F 3.0 -1.0 1751667.4 424 2s 2p2 4p 3 P 0.0 -1.0 1752107.5 425 2s 2p2 4p 3 P 1.0 -1.0 1752143.5 426 2s 2p2 4p 3 P 2.0 -1.0 1752279.5 427 2s 2p2 4p 1 P 1.0 -1.0 1753375.8 428 2s 2p2 4s 3 P 0.0 -1.0 1756980.1 429 2s 2p2 4s 3 P 1.0 -1.0 1757268.5 430 2s 2p2 4s 3 P 2.0 -1.0 1758809.6 431 2s 2p2 4s 1 P 1.0 -1.0 1760980.8 432 2s 2p2 4d 3 D 1.0 -1.0 1775080.8 433 2s 2p2 4d 3 D 2.0 -1.0 1775138.6 434 2s 2p2 4d 3 D 3.0 -1.0 1775206.6 435 2s 2p2 4p 1 S 0.0 -1.0 1775561.8 436 2p3 3d 1 P 1.0 -1.0 1778293.9 437 2s 2p2 4p 3 D 1.0 -1.0 1780070.8 438 2s 2p2 4d 1 D 2.0 -1.0 1780390.6 439 2s 2p2 4p 3 D 2.0 -1.0 1780563.4 440 2s 2p2 4p 3 D 3.0 -1.0 1781736.6 441 2s 2p2 4p 3 P 0.0 -1.0 1783244.6 442 2s 2p2 4p 3 P 1.0 -1.0 1783405.5 443 2s 2p2 4p 3 P 2.0 -1.0 1784268.2 444 2s 2p2 4f 3 F 2.0 -1.0 1787495.5 445 2s 2p2 4f 3 F 3.0 -1.0 1787586.9 446 2s 2p2 4p 3 S 1.0 -1.0 1787618.0 447 2s 2p2 4f 3 F 4.0 -1.0 1787712.1 448 2s 2p2 4f 1 F 3.0 -1.0 1789929.8 449 2s 2p2 4p 1 D 2.0 -1.0 1790039.2 450 2s 2p2 4p 1 P 1.0 -1.0 1797851.1 -1 Theoretical energies: Mao, J. , Badnell, N. R., Del Zanna, G., 2020, A&A, 634, A7 DOI: 10.1051/0004-6361/201936931 Note: only bound levels have been retained. Observed energies: Levels 2-4: Young, P.R., 2023, ApJ, 958, 40 Levels 5,6: Feldman, U. & Doschek, G.A., Atomic Data and Nuclear Data Tables 93 (2007) 779–806 Levels 14,15: Young, P.R., 2023, ApJ, 958, 40 Other levels: NIST Atomic Spectra Database, (ver. 5.7.1), [Online]. https://physics.nist.gov/PhysRefData/ASD/levels_form.html Note: several NIST eneergies are not relative to the ground state or are uncertain. Only those of the lowest levels have been retained. Produced as part of the 'CHIANTI' atomic data base collaboration by Giulio Del Zanna, June 2020 7-Mar-2024, Peter Young: updated observed energies for levels 2-4 and 14,15. -1