:5111con
eV	cm	A	n		k 	n

	56.36	220	0.972	5.0
	53.91	230	0.968	5.53
	51.66	240	0.964	6.1
	49.59	250	0.960	6.7
	47.69	260	0.956	7.3
	45.92	270	0.952	7.85
	44.28	280	0.947	8.4
	42.75	290	0.942	9.0

41.33	300	0.937	9.5 x 10-'
40.00	310	0.930	1.0 X 10-2
38.75	320	0.925	1.04
37.57	330	0.918	1.0
36.47	340	0.913	1.13
35.42	350	0.906	1.17
34.44	360	0.899	1.21
33.51	370	0.893	1.24
32.63	380	0.885	1.28
31.79	390	0.877	1.32
31.00	400,'	0.869	1.35
30.24	410	0.860	1.38
29.52	420	0.853	1.42
28.83	430	0.843	1.47
28.18	440	0.834	1.52
27.55	450	0.824	1.58
26.95	460	0.814	1.68
26.38	470	0.803	1.78
25.83	480	0.792	1.92
25.30	490	0.778	2.05
24.80	500	0.766	2.23
24.31	510	0.752	2.43
23.84	520	0.737	2.64
23.39	530	0.722	2.92
22.96	540	0.706	3.25
22.54	550	0.691	3.65
22.14	560	0.675	4.05
21.75	570	0.659	4.55
21.38	580	0.644	5.1
21.01	590	0.627	5.8
20.66	600	0.61	6.5
20.33	610	0.59	7.4
20.00	620	0.567	8.35 x 10-1
		0.569 [26]	0.122 [26]
19.68	630	0.549 [29]	9.3 x 10-1
19.5	635.8	0.542 [26]	0.140 [26]
10.37	640	0.53 [29]	0.10 [29]
19.07	650	0.513	0.113