D3h_
D3h site symmetry is used to group species into genera
====
 
family= 1 0 0
 
family= 1 0 0 new D3h genus #     1 with     3 species is 0
Nber of genera for this family=    1
 
family= 0 1 0
 
family= 0 1 0 new D3h genus #     1 with     3 species is \0
Nber of genera for this family=    1
 
family= 0 0 1
 
family= 0 0 1 new D3h genus #     1 with     1 species is \
Nber of genera for this family=    1
 
----------------------------------------

Nber families=      3
Nber genera=        3
Nber species=        7
