D3h_
D3h site symmetry is used to group species into genera
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family= 3 0 0
 
family= 3 0 0 new D3h genus #     1 with     6 species is 0:1:2
Nber of genera for this family=    1
 
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Nber families=      1
Nber genera=        1
Nber species=        6
