%chk=allene.chk
%mem=6MW
%nproc=1
# opt hf/6-31g(d)

Title Card Required

0 1
 C                 -4.10798136    0.77464788    0.00000000
 H                 -3.57481761   -0.15305704    0.00000000
 H                 -5.17798136    0.77464788    0.00000000
 C                 -3.43270705    1.94962517    0.00000000
 C                 -2.75743274    3.12460247    0.00000000
 H                 -2.48908438    3.59166825   -0.92452080
 H                 -2.49170531    3.58682808    0.92770492