 0  no valence distribution to subtract
 1  one single gaussian for the core
   0.1530007243161862         477.8787388952330        -3687.965030300208      
    14688.06880679387         0.000000000000000      sigma c0 c2 c4 c6
 end of NLCC input for BigDFT
 analytic form: gaussian(r,sigma)*sum(ck*x**k)
