Actinium (Ac) Wavelengths Tables

Z = 89

²²⁷Ac I and II

²²⁷Ac III

²²⁷Ac IV

²²⁷Ac I and II (57.3)

Element Intensity Wavelength (nm)
in air Spectrum Levels
Odd J Even J

AcI-II 8 h 210.000 II

AcI-II 20 263.019 II 5 267 2 43 275 3

AcI-II 30 c 263.019 II 7 426 3 45 040 4

AcI-II 20 271.250 II 36 855 1 0 0

AcI-II 10 272.623 II 41 937 3 5 267 2

AcI-II 10 h 276.018 II

AcI-II 10 h 278.156 II

AcI-II 20 279.759 II

AcI-II 20 280.676 II 44 705 2 9 088 2

AcI-II 8 283.347 II 48 518 1 13 236 2

AcI-II 150 h 284.716 II 44 200 1 9 088 2

AcI-II 8 289.520 II

AcI-II 30 289.682 II 41 937 3 7 427 3

AcI-II 30 292.302 II 41 628 4 7 427 3

AcI-II 200 299.417 II 33 389 1 0 0

AcI-II 100 301.987 II 5 267 2 38 371 2

AcI-II 500 304.330 II 41 937 3 9 088 2

AcI-II 200 306.936 II 45 807 3 13 236 2

AcI-II 100 307.807 II 47 428 4 14 949 3

AcI-II 100 308.604 II 49 152 5 16 757 4

AcI-II 100 308.737 II 39 807 4 7 427 3

AcI-II 200 311.283 II 36 856 1 4 740 1

AcI-II 100 312.016 II 36 780 0 4 740 1

AcI-II 500 315.309 II 36 973 3 5 267 2

AcI-II 600 c 315.441 II 39 119 4 7 427 3

AcI-II 200 c 316.481 II 36 856 1 5 267 2

AcI-II 300 323.059 II 38 372 2 7 427 3

AcI-II 150 c 323.770 II 36 144 3 5 267 2

AcI-II 500 326.091 II 35 397 2 4 740 1

AcI-II 100 c 331.801 II 35 397 2 5 267 2

AcI-II 200 338.353 II 36 973 3 7 427 3

AcI-II 200 341.384 II 38 372 2 9 088 2

AcI-II 500 341.777 II 29 250 1 0 0

AcI-II 500 c 348.116 II 36 144 3 7 427 3

AcI-II 200 348.953 II 33 389 1 4 740 1

AcI-II 100 352.924 II 43 276 3 14 949 3

AcI-II 100 353.463 II 45 040 4 16 757 4

AcI-II 200 s 355.499 II 33 389 1 5 267 2

AcI-II 1000 s 356.559 II 33 305 2 5 267 2

AcI-II 100 369.488 II 36 144 3 9 088 2

AcI-II 300 c 375.667 II 31 879 2 5 267 2

AcI-II 200 379.982 II 35 397 2 9 088 2

AcI-II 2000 c 386.312 II 33 305 2 7 427 3

AcI-II 100 391.447 II 32 966 4 7 427 3

AcI-II 400 406.160 II 29 881 3 5 267 2

AcI-II 3 000 s 408.844 II 31 879 2 7 427 3

AcI-II 3 000 s 416.840 II 29 250 2 5 267 2

AcI-II 100 417.998 I 23 917 5/2 0 3/2

AcI-II 20 418.312 I 23 899 5/2 0 3/2

AcI-II 20 419.440 I 26 066 3/2 2 231 5/2

AcI-II 300 420.969 II 31 175 3 7 427 3

AcI-II 300 435.913 II 28 201 2 5 267 2

AcI-II 20 c 438.453 I 22 801 3/2 0 3/2

AcI-II 1 000 438.641 II 31 879 2 9 088 2

AcI-II 20 439.671 I 24 969 7/2 2 231 5/2

AcI-II 20 446.273 I 22 402 1/2 0 3/2

AcI-II 1 000 c 450.720 II 22 181 1 0 0

AcI-II 500 c 460.545 II 26 447 2 4 740 1

AcI-II 10 471.658 I 21 196 5/2 0 3/2

AcI-II 400 c 472.016 II 26 447 2 5 267 2

AcI-II 300 481.222 II 28 201 2 7 427 3

AcI-II 100 494.518 II 36 973 3 16 757 4

AcI-II 100 495.823 II 29 250 1 9 088 2

AcI-II 100 496.087 II 33 389 1 13 236 2

AcI-II 150 544.638 II 33 305 2 14 949 3

AcI-II 300 c 573.205 II 22 181 1 4 740 1

AcI-II 400 c 575.897 II 26 447 2 9 088 2

AcI-II 1 000 c 591.085 II 22 181 1 5 267 2

AcI-II 600 c 616.475 II 20 956 0 4 740 1

AcI-II 200 c 616.783 II 32 966 4 16 757 4

AcI-II 400 c 624.283 II 29 250 1 13 236 2

AcI-II 20 c 635.986 I 17 951 5/2 2 231 5/2

AcI-II 20 c 669.127 I 14 941 5/2 0 3/2

AcI-II 100 669.523 II 14 949 3 29 881 3

AcI-II 6 c 729.040 I 13 713 3/2 0 3/2

²²⁷Ac III (57.3)

Element	Intensity	Wavelength (nm) in air	Spectrum	Levels Odd J Even J
AcIII	1 000 h	262.644	III	38 063	3/2	0	1/2
AcIII	50 h	268.290	III	38 063	3/2	801	3/2
AcIII	2 000 h	295.255	III	38 063	3/2	4 204	5/2
AcIII	2 000 h	339.278	III	29 466	1/2	0	1/2
AcIII	3 000	348.759	III	29 466	1/2	801	3/2
AcIII	2 000 h	441.309	III	23 454	5/2	801	3/2
AcIII	3 000 h	456.987	III	26 080	7/2	4 204	5/2
AcIII	8 h	519.321	III	23 454	5/2	4 204	5/2

²²⁷Ac IV (57.3)

Element	Intensity	Wavelength (nm) in air	Spectrum
AcIV	20 h	206,200	IV
AcIV	30 h	250,212	IV?
AcIV	100 h	255,808	IV
AcIV	5 h	279,083	IV
AcIV	50 h	279,390	IV?
AcIV	20 l	322,47	IV

References :

(57.3): W.F. Meggers, M. Fred and F.S. Tomkins, J. Res. nat. Bur. Stand, USA, 1957, 58, 297-315