%chk=Opt_Isomer_100a_New
%nproc=32
%mem=100gb
#p m062x 6-311g(d) opt freq

Title Card Required

0 1
 C                  0.48792200   -0.37197000    0.87127400
 C                 -0.81141000   -0.17916400    0.20578700
 C                 -1.93797900   -0.82003600   -0.06723900
 H                 -2.71774000   -0.35673000   -0.65867100
 H                  0.94749400   -1.17136100   -1.16950400
 H                 -2.11296800   -1.82042900    0.30957100
 C                 -0.21141600    1.11732900   -0.10645400
 C                  1.10405100    0.87708700   -0.39224100
 C                  1.38407100   -0.58534700   -0.35941500
 H                  1.87383800    1.63614500   -0.31709800
 H                  2.42376800   -0.82605700   -0.16071600
 H                 -0.59584100    2.08716600    0.19001300