D2h_
D2h site symmetry is used to group species into genera
====
 
family= 2 0
 
family= 2 0 new D2h genus #     1 with     2 species is 0:0
family= 2 0 new D2h genus #     2 with     2 species is 0:1
Nber of genera for this family=    2
 
family= 1 1
 
family= 1 1 new D2h genus #     1 with     4 species is 0:\
Nber of genera for this family=    1
 
family= 0 2
 
family= 0 2 new D2h genus #     1 with     1 species is \:\
Nber of genera for this family=    1
 
----------------------------------------

Nber families=      3
Nber genera=        4
Nber species=        9
