Copper (From Palik I: pp. 284-285)
ANGSTROMS
NK
   2066.        1.04    1.59
   2138.        1.10    1.67
   2114.        1.18    1.74
   2296.        1.28    1.78
   2384.        1.38    1.80
   2480.        1.47    1.78
   2583.        1.53    1.71
   2695.        1.52    1.67
   2818.        1.49    1.64
   2952.        1.42    1.64
   3099.        1.34    1.72
   3263.        1.34    1.81
   3444.        1.31    1.87
   3646.        1.27    1.95
   3874.        1.18    2.21
   4133.        1.18    2.21
   4428.        1.17    2.36
   4768.        1.15    2.50
   5166.        1.12    2.60
   5390.        1.04    2.59
   5635.        0.826   2.60
   5904.        0.468   2.81
   6199.        0.272   3.24
   6525.        0.214   3.67
   6702.        0.215   3.86
   6880.        0.213   4.05
   7084.        0.214   4.24
   7293.        0.223   4.43
   8265.        0.260   5.26
  12400.        0.433   8.46
  12650.        0.496   6.78
  12910.        0.505   6.92
  13190.        0.515   7.06
  13480.        0.525   7.21
  13780.        0.536   7.36
  14090.        0.547   7.53
  14420.        0.559   7.70
  14760.        0.572   7.88
  15120.        0.586   8.06
  15500.        0.606   8.26
  15890.        0.627   8.47
  16310.        0.649   8.69
  16750.        0.672   8.92
  17220.        0.697   9.16
  17710.        0.723   9.41
  18230.        0.752   9.68