POTENTIALS
  *ipot    Z  tag      lmax1    lmax2    xnatph(stoichometry)    spinph
******-  **-  ****-  ******-  ******-  **********************  ********
      0   25  Mn          -1       -1                  0.0001         0
      1   25  Mn          -1       -1                  4              0
      2    8  O           -1       -1                  6              0