How to calculate polarizability


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Forum Vet
Add the line

symmetry c6

in your geometry section

geometry units angstrom
 symmetry c6
 C -1.209387 -0.698222 0.000000
 C -1.209427  0.698262 0.000000
 H -2.150069 -1.241320 0.000000
 C -0.000014  1.396475 0.000000
 H -2.150108  1.241358 0.000000
 H -0.000012  2.482676 0.000000
 C  1.209387  0.698222 0.000000
 H  2.150068  1.241320 0.000000
 C  1.209426 -0.698262 0.000000
 H  2.150107 -1.241358 0.000000
 C  0.000013 -1.396474 0.000000
 H  0.000011 -2.482675 0.000000
end