/*	Public domain	*/

#define SG_NELEMENTS	104

typedef struct sg_element {
	struct ag_object _inherit;
	Uint flags;
	Uint n;				/* Atomic number */
	char name[32];			/* Name */
	char sym[4];			/* Symbol */
	M_Real Ar;			/* Atomic weight */
	M_Real eneg;			/* Electronegativity (Pauling scale) */
	M_Real rw;			/* van der Waals radius (Å) */
	M_Real Ei[10];			/* Ionization energies (kJ·mol^-1) */
	Uint  nEi;
	int   EShells[7];		/* Number of electrons per shell */
	Uint nEShells;			/* Electron shell count */
} SG_Element;

__BEGIN_DECLS
extern AG_ObjectClass sgElementClass;
extern SG_Element    *sgElements[SG_NELEMENTS];

void SG_InitElements(void);
void SG_DestroyElements(void);
int  SG_LoadElements(const char *);
__END_DECLS