#define H 0
#define C 1
#define N 2
#define O 3
#define F 4
#define P 5
#define S 6
#define Br 7
#define Cl 8
#define XX 9

float RAIOS = {1.3, 2.0, 2.0, 2.0, 1.8, 2.0, 2.0, 2.2, 1.9, 2.0};