%mem=10000MB
%nprocshared=12
#p opt freq b3lyp/6-311+g(d) scrf=(smd,solvent=dichloromethane)
empiricaldispersion=gd3 scf=(maxcyc=1000,conver=8,nosym)

och3

0 1
 O                 -0.00007700    0.59330900   -0.00002300
 C                  1.18029600   -0.19775300    0.00000000
 H                  1.23360800   -0.83876700    0.89482900
 H                  1.23454400   -0.83735900   -0.89580900
 H                  2.03140900    0.48972500    0.00100300
 C                 -1.18026200   -0.19779100    0.00000900
 H                 -2.03159200    0.48943800    0.00128300
 H                 -1.23446100   -0.83725700   -0.89593100
 H                 -1.23309100   -0.83898700    0.89475400

