Source

#ifndef _types_h_
#define _types_h_

typedef struct
{
   const char* symbol;
   double epsilon;
   double radius;
   double mass;

  const char* pigment;
} AtomType;

enum AtomTypes {fake, C, H};
const AtomType elements[] = {
          {"fake", 1.0, 0.2, 0.1, "White"},
          {"C", 1.0E-21, 0.77E-10, 1.994E-26, "Gray20"},
          {"H", 1.0E-21, 0.32E-10, 1.673E-27, "White"}
  };

#endif