coupling constant	diffraction order
0	-5.5
0.125	-5.399082569
0.25	-5.298165138
0.375	-5.197247706
0.5	-5.096330275
0.625	-4.995412844
0.75	-4.894495413
0.875	-4.793577982
1	-4.69266055
1.125	-4.591743119
1.25	-4.490825688
1.375	-4.389908257
1.5	-4.288990826
1.625	-4.188073394
1.75	-4.087155963
1.875	-3.986238532
2	-3.885321101
2.125	-3.78440367
2.25	-3.683486239
2.375	-3.582568807
2.5	-3.481651376
2.625	-3.380733945
2.75	-3.279816514
2.875	-3.178899083
3	-3.077981651
3.125	-2.97706422
3.25	-2.876146789
3.375	-2.775229358
3.5	-2.674311927
3.625	-2.573394495
3.75	-2.472477064
3.875	-2.371559633
4	-2.270642202
4.125	-2.169724771
4.25	-2.068807339
4.375	-1.967889908
4.5	-1.866972477
4.625	-1.766055046
4.75	-1.665137615
4.875	-1.564220183
5	-1.463302752
	-1.362385321
	-1.26146789
	-1.160550459
	-1.059633028
	-0.9587155963
	-0.8577981651
	-0.7568807339
	-0.6559633028
	-0.5550458716
	-0.4541284404
	-0.3532110092
	-0.252293578
	-0.1513761468
	-0.0504587156
	0.0504587156
	0.1513761468
	0.252293578
	0.3532110092
	0.4541284404
	0.5550458716
	0.6559633028
	0.7568807339
	0.8577981651
	0.9587155963
	1.059633028
	1.160550459
	1.26146789
	1.362385321
	1.463302752
	1.564220183
	1.665137615
	1.766055046
	1.866972477
	1.967889908
	2.068807339
	2.169724771
	2.270642202
	2.371559633
	2.472477064
	2.573394495
	2.674311927
	2.775229358
	2.876146789
	2.97706422
	3.077981651
	3.178899083
	3.279816514
	3.380733945
	3.481651376
	3.582568807
	3.683486239
	3.78440367
	3.885321101
	3.986238532
	4.087155963
	4.188073394
	4.288990826
	4.389908257
	4.490825688
	4.591743119
	4.69266055
	4.793577982
	4.894495413
	4.995412844
	5.096330275
	5.197247706
	5.298165138
	5.399082569
	5.5
