IXAS X-ray Data for the Elements

Select Element for X-ray Properties

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf



Atomic Data for Fr
 Property     Value 
  Atomic Number:   87
  Atomic Mass:   223.0
  Density (gm / cm^3):   2.48
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X-ray absorption edges for Fr
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   101137.0   0.972267   4.481
    L1   18639.0   0.13   1.15688
    L2   17907.0   0.443   1.4
    L3   15031.0   0.424   2.443
    M1   4652.0   0.004095   1.04
    M2   4327.0   0.0108125   1.058
    M3   3663.0   0.00675   1.16056
    M4   3136.0   0.041325   1.555
    M5   3000.0   0.039575   3.135
    N1   1153.0   0.0004225   1.017
    N2   980.0   0.0003175   1.005
    N3   810.0   0.0002025   1.06
    N4   603.0   0.0003275   1.02
    N5   577.0   0.0003275   1.124
    N6   268.0   0.000445   1.287
    N7   268.0   0.000445   1.287
    O1   234.0   0.0   1.3
    O2   182.0   0.0   1.16
    O3   140.0   0.0   1.5
    O4   58.0   0.0   1.0
    O5   58.0   0.0   1.0
    P1   24.0   0.0   1.0
    P2   14.0   0.0   1.0
    P3   7.0   0.0   1.0
X-ray fluorescence lines for Fr
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   86106.0   0.479874
    Ka2 (K - L2 )   83230.0   0.290785
    Ka3 (K - L1 )   82498.0   0.000691286
    Kb1 (K - M3 )   97474.0   0.110604
    Kb2 (K - N2,3 )   100157.0   0.0551855
    Kb3 (K - M2 )   96810.0   0.0579133
    Kb4 (K - N4,5 )   100534.0   0.00127849
    Kb5 (K - M4,5 )   98001.0   0.0036684
    La1 (L3 - M5 )   12031.0   0.670688
    La2 (L3 - M4 )   11895.0   0.0749509
    Lb1 (L2 - M4 )   14771.0   0.772012
    Lb2,15 (L3 - N4,5 )   14428.0   0.171832
    Lb3 (L1 - M3 )   14976.0   0.369144
    Lb4 (L1 - M2 )   14312.0   0.354736
    Lb5 (L3 - O4,5 )   14973.0   0.0299236
    Lb6 (L3 - N1 )   13878.0   0.0115301
    Lg1 (L2 - N4 )   17304.0   0.172959
    Lg2 (L1 - N2 )   17659.0   0.13135
    Lg3 (L1 - N3 )   17829.0   0.14477
    Lg6 (L2 - O4 )   17849.0   0.0361586
    Ll (L3 - M1 )   10379.0   0.041075
    Ln (L2 - M1 )   13255.0   0.0188698
    Ma (M5 - N6,7 )   2732.0   1.0
    Mb (M4 - N6 )   2868.0   0.997068
    Mg (M3 - N5 )   3086.0   1.0
    Mz (M4,5 - N2,3 )   2156.0   0.00293255