set basis cc-pVDZ

molecule {
0 1
    C           -0.789303320876     1.146953448090     0.499053084525
    C           -1.199667926506    -0.293780336688     0.813655357723
    H            1.099871189887    -1.812905232263    -1.308684235636
    H           -1.318272598907     1.483789943006    -0.400270495036
    C            0.719390489683     1.264118229077     0.268392175380
    H            2.285261224874     0.360804099985    -0.925418608020
    H            0.769363804744     0.588256775339    -1.778112582500
    H           -1.099849329108     1.812881591833     1.308748191554
    C           -0.719392776853    -1.264101666555    -0.268421445210
    H           -2.285263284594    -0.360846452453     0.925412752150
    H           -0.769360090345    -0.588300529773     1.778094464940
    C            0.789307088011    -1.146954245549    -0.499016330237
    H           -0.980876162434    -2.290608116914     0.002530709667
    H           -1.244860415911    -1.046839200800    -1.205826684908
    C            1.199664421867     0.293765741791    -0.813661501743
    H            1.318245750556    -1.483760628908     0.400336302733
    H            0.980869831151     2.290611661857    -0.002614323644
    H            1.244894187534     1.046902156130     1.205788548332
}


energy("HF")