ExoAtom

This is the development version of ExoAtom.

Search for species using terms such as Al, Cr+ or W+, or select an element from the periodic table below.

Kurucz vs NIST Coverage

Atomic species coverage by element and ionization stage. Click any marked cell to open the corresponding datasets.

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724NIST species
232Kurucz species
180Both
52Kurucz only
541NIST only
B Both Kurucz & NIST K Kurucz only N NIST only
Z Element I II III IV V VI VII VIII IX X XI XII XIII XIV XV XVI XVII XVIII XIX XX XXI XXII XXIII XXIV XXV XXVI XXVII XXVIII XXIX XXX XXXI XXXII XXXIII XXXIV XXXV XXXVI XXXVII XXXVIII XXXIX XL XLI XLII XLIII XLIV XLV XLVI XLVII XLVIII XLIX L LI LII LIII LIV LV LVI LVII LVIII LIX LX LXI LXII LXIII LXIV LXV LXVI LXVII LXVIII LXIX LXX LXXI LXXII LXXIII LXXIV LXXV LXXVI LXXVII LXXVIII LXXIX LXXX LXXXI LXXXII LXXXIII LXXXIV LXXXV LXXXVI LXXXVII LXXXVIII LXXXIX XC XCI XCII XCIII XCIV XCV XCVI XCVII XCVIII XCIX C CI CII CIII CIV CV CVI CVII CVIII CIX CX ions
1 H N 1
2 He N N 2
3 Li B N N 3
4 Be B B N N 4
5 B B B B N N 5
6 C B B B B N N 6
7 N B B B B B N N 7
8 O B B B B B B N N 8
9 F B B B B B B N N N 9
10 Ne B B B B B B N N N N 10
11 Na B B B B B B N N N N N 11
12 Mg B B B B B B N N N N N N 12
13 Al B B B B B B N N N N N N N 13
14 Si B B B B B B N N N N N N N N 14
15 P B B B B B B N N N N N N N N 14
16 S B B B B B B N N N N N N N N N N 16
17 Cl B B B N B B N N N N N 11
18 Ar B B B B B B N N N N N N N N 14
19 K B B B B B B N N N N N N N N N N N N N 19
20 Ca B B B B B B B B B N N N N N N 15
21 Sc B B B B B B B B B N N N N N N N N N N N N 21
22 Ti B B B B B B B B B N N N N N N N N N N N N N 22
23 V B B B B B B B B B N N N N N N N N N N N N N N 23
24 Cr B B K B B B B B B N N N N N N N N N N N N N N N 24
25 Mn B B K K B B B B B N N N N N N N N N N N N N N N N 25
26 Fe B B B B B B B B B B N N N N N N N N N N N N N N N N 26
27 Co B B B K K K K B B N N N N N N N N N N N N N N N N N N 27
28 Ni B B B B B K B K B K N N N N N N N N N N N N N N N N N N 28
29 Cu B B K K K K K K K K N N N N N N N N N N N N N 23
30 Zn B B K K K K K K K N 10
31 Ga N N N N N N N N N N N N N N N 15
32 Ge N N N 3
33 As N N 2
34 Se N 1
35 Br N N 2
36 Kr N N N N N N N N N N N 11
37 Rb N N N N N N N N N N N N N N N N N N N N N N N N N N 26
38 Sr B B K K K N N N N N N N N N N N N N N N N N N N N N N N N N N 31
39 Y B B B N N N 6
40 Zr K K B K K N N 7
41 Nb K K K B K N 6
42 Mo B K K K N N N N N N N N N N N 15
43 Tc B B K K K N 6
44 Ru B B K K K N 6
45 Rh B K K K K N 6
46 Pd B B K K K N 6
47 Ag N N N 3
48 Cd N N N 3
49 In N N N 3
50 Sn N N N 3
51 Sb N N N 3
52 Te N N 2
53 I N N 2
54 Xe N N N 3
55 Cs N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 31
56 Ba B B N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 32
57 La N N N 3
58 Ce N N N 3
59 Pr N N 2
60 Nd N N N 3
61 Pm N 1
62 Sm N N N 3
63 Eu N N N 3
64 Gd N N 2
65 Tb N N 2
66 Dy N N N 3
67 Ho N N N 3
68 Er N N N 3
69 Tm N N N 3
70 Yb N N N 3
71 Lu N N N 3
72 Hf N N N 3
73 Ta N N 2
74 W N N N N N 5
75 Re N N N N 4
76 Os N N 2
77 Ir N N N N 4
78 Pt N N N N N N N N 8
79 Au N N 2
80 Hg N N N 3
81 Tl N N N 3
82 Pb N N N 3
83 Bi N N N N 4
84 Po N 1
85 At N 1
86 Rn N 1
87 Fr N N 2
88 Ra N N N 3
89 Ac N N N N 4
90 Th N 1
91 Pa N 1
92 U N 1
93 Np N 1
94 Pu N 1
95 Am N 1
96 Cm N 1
97 Bk N 1
98 Cf N 1
99 Es N 1
100 Fm N 1
101 Md N 1
102 No N 1
103 Lr N 1
104 Rf N 1
105 Db N 1
106 Sg N 1
107 Bh N 1
108 Hs N 1
109 Mt N 1
110 Ds N 1
111 Rg 0
112 Cn 0
113 Nh 0
114 Fl 0
115 Mc 0
116 Lv 0
117 Ts 0
118 Og 0