***,HCS  geometry optimization: CCSD(T)/cc-pVQZ
 memory,66,M
 basis=vqz
 !spdf,h,vqz;c;
 !spdfg,c,vqz;c;
 !s,c,5.584,15.109,40.881;
 !p,c,5.996,18.057,54.382;
 !d,c,5.888,22.804;
 !f,c,6.116;
 !spdfg,s,vqz;c;
 !s,s,3.807,7.780,15.901;
 !p,s,3.522,7.539,16.139;
 !d,s,3.116,8.524,23.3231;
 !f,s,2.801,12.703;
 !g,s,2.739;
 !end
  
 L1= 1.08766422 ang
 L2= 1.56602293 ang
 !A1= 131.98969786 degree
 A1=180.0
  
 geometry={H1
           C2 1 L1
           S3 2 L2 1 A1}
  
 int
 ! C2v symm
 rhf;wf,22,1,0;
save,2100.2
 rhf;wf,23,1,1;
start,2100.2
save,2101.2
 ! DOPPIETTO - symm:1
 !rccsd(t);core,1,0,0,0;wf,23,1,1;
 rccsd(t);wf,23,1,1;
  
 rhf;wf,22,1,0;
start,2101.2
save,2102.2
 rhf;wf,23,2,1;
start,2102.2
save,2103.2
 ! DOPPIETTO - symm:2
 !rccsd(t);core,1,0,0,0;wf,23,2,1;
 rccsd(t);wf,23,2,1;
  
 rhf;wf,22,1,0;
start,2103.2
save,2104.2
 rhf;wf,23,3,1;
start,2104.2
save,2105.2
 ! DOPPIETTO - symm:3
 !rccsd(t);core,1,0,0,0;wf,23,3,1;
 rccsd(t);wf,23,3,1;
  
 rhf;wf,22,1,0;
start,2105.2
save,2106.2
 rhf;wf,23,4,1;
start,2106.2
save,2107.2
 ! DOPPIETTO - symm:4
 !rccsd(t);core,1,0,0,0;wf,23,4,1;
 rccsd(t);wf,23,4,1;
 ---
