D2h_
D2h site symmetry is used to group species into genera
====
 
family= 3 0
 
family= 3 0 new D2h genus #     1 with     2 species is 0:0:0
family= 3 0 new D2h genus #     2 with     6 species is 0:0:1
Nber of genera for this family=    2
 
family= 2 1
 
family= 2 1 new D2h genus #     1 with     6 species is 0:0:\
family= 2 1 new D2h genus #     2 with     6 species is 0:1:\
Nber of genera for this family=    2
 
family= 1 2
 
family= 1 2 new D2h genus #     1 with     6 species is 0:\:\
Nber of genera for this family=    1
 
family= 0 3
 
family= 0 3 new D2h genus #     1 with     1 species is \:\:\
Nber of genera for this family=    1
 
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Nber families=      4
Nber genera=        6
Nber species=       27
