This function contains the polynomial coefficients of the partition
function (Q = a+ b*T + c*T^2 + d*T^3), and the isotopic ratio for each
isotope of each species.

  "H2O"
Isotope(HITRAN)		a		b		c		d	isotopic ratio  
			|		|		|		|		|
    	"11"	-4.4405E+00	2.7678E-01	1.2536E-03	-4.8938E-07	0.997317
 	"12" 	-4.3624E+00	2.7647E-01	1.2802E-03	-5.2046E-07	0.00199983
        "13"    -2.5767E+01	1.6458E+00	7.6905E-03	-3.1668E-06	0.000372
 	"14",	-2.3916E+01	1.3793E+00	6.1246E-03	-2.1530E-06	0.00031069	
  "O3"
	"31"	-1.6443E+02	6.9047E+00	1.0396E-02	 2.6669E-05	0.992901
  	"32"	-3.5222E+02	1.4796E+01	2.1475E-02	 5.9891E-05	0.00398194
 	"33"    -1.7466E+02	7.2912E+00	1.0093E-02	 2.9991E-05	0.00199097
  	"34"	-2.0540E+03	8.5998E+01	1.2667E-01	 3.3026E-04	0.000740	
  	"35"    -1.0148E+03	4.2494E+01	6.2586E-02       1.6319E-04	0.000370
   "O2"
        "71",	3.5923E-01	7.3534E-01	-6.4870E-05	 1.3073E-07	0.995262
  	"72",  -4.0039E+00	1.5595E+00	-1.5357E-04	 3.0969E-07	0.00399141
  	"73"   -2.3325E+01	9.0981E+00	-8.4435E-04	 1.7062E-06	0.000742
   "HCN"
	"231"	-1.3992E+00	2.9619E+00	-1.7464E-03	 6.5937E-06	0.98511	
  	"232"	-2.5869E+00	6.0744E+00	-3.5719E-03	 1.3654E-05	0.01107	
  	"233"   -1.1408E+00	2.0353E+00	-1.2159E-03	 4.6375E-06	0.0036217
   "ClO"
  	"181"	9.0968E+01	7.0918E+00	 1.1639E-02	 3.0145E-06	 0.75591
  	"182"	9.2598E+01	7.2085E+00	 1.1848E-02	 3.1305E-06	 0.24172
   "N2O"
 	"41" 	2.4892E+01	1.4979E+01	-7.6213E-03	 4.6310E-05	0.990333
  	"42"    3.6318E+01	9.5497E+00	-2.3943E-03	 2.6842E-05	0.0036409
  	"43"    2.4241E+01	1.0179E+01	-4.3002E-03	 3.0425E-05	0.0036409
  	"44"	6.7708E+01	1.4878E+01	-1.0730E-03      3.4254E-05	0.00198582
   "HNO3"
 	"121"	4.7202E+03	-5.5810E+01    	 6.6216E-01	 -4.2602E-04	0.989110 
    "NO"
  	"81"	-2.5296E+01	 2.6349E+00	 5.8517E-03      -5.2020E-06	0.993974
    "CO"
  	"51",	2.7758E-01	 3.6290E-01	 -7.4669E-06	  1.4896E-08	0.98654	
  	"52",	5.3142E-01	 7.5953E-01	 -1.7810E-05	  3.5160E-08	0.01108
  	"53",	2.6593E-01	 3.8126E-01	 -9.2083E-06	  1.8086E-08	0.0019782
   "HCl"
  	"151"	2.8627E+00	 5.3122E-01	 6.7464E-06	  -1.6730E-09	0.757587
  	"152"	2.8617E+00	 5.3203E-01	 6.6553E-06       -1.5168E-09	0.49306