#Name	Mass	Polarizability (taken from CRC handbook 98th edition, except OH)
  H2  2.0158	0.8059e-30
  H  1.0079	0.666793e-30
  He  4.002602	0.2050522e-30
  H2O  18.0152	1.45e-30
  CH4  16.0423	2.593e-30
  CO  28.010	1.95e-30
  CO2  44.010	2.911e-30
  O  15.9994	0.77e-30
  C  12.0107	1.67e-30
  N  14.0067	1.1e-30
  NH3  17.031	2.81e-30
  N2  28.0134	1.7403e-30
  O2  31.9988	1.5689e-30
  O3  47.9982	3.21e-30
  H2S  34.0809	3.78e-30
  HCN  27.0253	2.59e-30
  NO  30.0061	1.70e-30
  NO2  46.0055	3.03e-30
  OH   17.0073	6.97e-30 #ref: Pluta, Sadlej, Bartlett 1988 
  PH3  33.9976	4.84e-30
  SiO  44.0849	0
  SO2  64.0638	3.72e-30
  TiO  63.8664	0
  VO  66.9409	0
  Na  22.988977	24.11e-30
  K  39.0983 	42.93e-30
  el 0.0005	0
  Ca 40.078	0
  Ti 47.867	0
  Fe 55.845	0
  Ni 58.6934	0