// Ag_dispersion.h
typedef struct {int id; double f, wl, a, c, er1, er2;} disp_t;
disp_t disp[] = {
{ 0, 1.5475E+14, 1937.2695, 5.715E+18, 3.299E+13, -198.1888, 6.7584},
{ 1, 1.8619E+14, 1610.1426, 6.584E+18, 2.941E+13, -140.4000, 3.555},
{ 2, 2.1520E+14, 1393.0876, 7.230E+18, 3.142E+13, -123.1931, 2.886},
{ 3, 2.4664E+14, 1215.5062, 6.078E+18, 3.120E+13, -77.9255, 1.5890},
{ 4, 2.7565E+14, 1087.5837, 1.059E+19, 1.749E+13, -60.7604, 0.6236},
{ 5, 3.0467E+14, 983.9907, 8.517E+18, 2.147E+13, -48.8865, 0.5594},
{ 6, 3.3610E+14, 891.9740, 6.976E+18, 2.611E+13, -39.8397, 0.5050},
{ 7, 3.6512E+14, 821.0793, 5.720E+18, 3.110E+13, -32.7969, 0.4582},
{ 8, 3.9655E+14, 756.0017, 6.426E+18, 2.752E+13, -27.4777, 0.3145},
{ 9, 4.2557E+14, 704.4492, 4.116E+18, 4.240E+13, -23.4046, 0.3870},
{10, 4.5458E+14, 659.4933, 2.836E+18, 6.070E+13, -20.0948, 0.4483},
{11, 4.8602E+14, 616.8315, 2.040E+18, 8.343E+13, -17.2355, 0.4982},
{12, 5.1503E+14, 582.0874, 2.117E+18, 7.861E+13, -14.8817, 0.3858},
{13, 5.4647E+14, 548.5982, 1.533E+18, 1.066E+14, -12.8558, 0.4303},
{14, 5.7548E+14, 520.9433, 1.580E+18, 9.977E+13, -11.0465, 0.3324},
{15, 6.0450E+14, 495.9346, 1.372E+18, 1.112E+14, -9.5641, 0.3093},
{16, 6.3593E+14, 471.4237, 1.187E+18, 1.242E+14, -8.2287, 0.2869},
{17, 6.6495E+14, 450.8496, 1.277E+18, 1.102E+14, -7.0580, 0.2126},
{18, 6.9638E+14, 430.5012, 1.108E+18, 1.221E+14, -6.0598, 0.1970},
{19, 7.2540E+14, 413.2788, 7.645E+17, 1.680E+14, -5.1731, 0.2275},
{20, 7.5442E+14, 397.3814, 6.400E+17, 1.858E+14, -4.2824, 0.2070},
{21, 7.8585E+14, 381.4881, 5.307E+17, 2.058E+14, -3.4720, 0.1864},
{22, 8.1487E+14, 367.9022, 3.100E+17, 3.175E+14, -2.7407, 0.2320},
{23, 8.4630E+14, 354.2390, 1.705E+17, 5.024E+14, -2.0036, 0.2838},
{24, 8.7532E+14, 342.4947, 9.152E+16, 7.699E+14, -1.2846, 0.3198},
{25, 9.0433E+14, 331.5078, 5.703E+16, 9.659E+14, -0.6583, 0.2819},
{26, 9.3577E+14, 320.3698, 6.026E+15, 7.503E+15,  0.5024, 0.6350},
{27, 9.6478E+14, 310.7366, 8.485E+15, 8.226E+16,  0.8974, 1.3922},
{28, 9.9622E+14, 300.9300, 1.621E+16, 1.210E+17,  0.8663, 2.5835},
{29, 1.0252E+15, 292.4234, 2.114E+16, 5.000E+16,  0.5842, 3.2276},
{30, 1.0542E+15, 284.3791, 2.430E+16, 3.873E+16,  0.3904, 3.5645},
{31, 1.0857E+15, 276.1283, 2.672E+16, 3.268E+16,  0.2165, 3.7534},
{32, 1.1147E+15, 268.9445, 2.829E+16, 2.712E+16,  0.0220, 3.7867},
{33, 1.1461E+15, 261.5762, 2.930E+16, 2.449E+16, -0.1013, 3.7449},
{34, 1.1751E+15, 255.1208, 3.009E+16, 2.335E+16, -0.1715, 3.7054},
{35, 1.2042E+15, 248.9557, 3.060E+16, 2.270E+16, -0.2132, 3.6392},
{36, 1.2356E+15, 242.6291, 3.098E+16, 2.301E+16, -0.2089, 3.5828},
{37, 1.2646E+15, 237.0650, 3.124E+16, 2.260E+16, -0.2303, 3.4995},
{38, 1.2960E+15, 231.3213, 3.168E+16, 2.351E+16, -0.2030, 3.4739},
{39, 1.3251E+15, 226.2414, 3.185E+16, 2.314E+16, -0.2187, 3.3869},
{40, 1.3541E+15, 221.3961, 3.243E+16, 2.305E+16, -0.2385, 3.3550},
{41, 1.3855E+15, 216.3785, 3.287E+16, 2.189E+16, -0.2965, 3.2598},
{42, 1.4145E+15, 211.9424, 3.310E+16, 2.148E+16, -0.3156, 3.1800},
{43, 1.4460E+15, 207.3254, 3.331E+16, 2.117E+16, -0.3289, 3.0963},
{44, 1.4750E+15, 203.2491, 3.335E+16, 2.036E+16, -0.3571, 2.9808},
{45, 1.5040E+15, 199.3301, 3.327E+16, 2.067E+16, -0.3311, 2.9116},
{46, 1.5354E+15, 195.2537, 3.311E+16, 2.054E+16, -0.3206, 2.8112},
{47, 1.5644E+15, 191.6341, 3.284E+16, 2.037E+16, -0.3078, 2.7104},
{48, 1.5959E+15, 187.8517, 3.278E+16, 1.964E+16, -0.3240, 2.5937}
};