c0	    c2	       c4	 c6	     c8
ne	1.7126,   -1.9779,    4.1083,   -1.582,     -1.0552
nH	1.6243,   -1.9751,    4.1034,   -1.6989,    -0.89641
nC	0.014708, -0.00046668,  0.00081616,  0.01949,  -0.026469
Te	3.3056,    -4.8812,   11.895,   -16.001    6.2889
Ti	3.9691,    -5.0715,   2.7031,   -0.95528   
Y=c0 + c2*x^2 + c4*x^4 + c6*x^6 (+c8*x^8),  where x=rho=(reff/a99)