! Do restricted Hartree Fock, calculate energy for just this geometry
! coordinates are cartesian in form in manual, but only symmetry unique
! atoms are specified. Distances are in BOHR not Angs.
 $CONTRL SCFTYP=RHF RUNTYP=OPTIMIZE COORD=ZMT UNITS=BOHR NZVAR=0 $END
! Timelimit=200 minutes
! $SYSTEM TIMLIM=200 MEMORY=100000 $END
! In finding minimum largest component of gradient must be less than
! OPTOL and RMS gradient must be less than 1/3 OPTOL
 $STATPT OPTTOL=1.0E-5  $END
!Use the 6-31G** (with d polarization funcs on F and P funcs on H (1 set each))
!Use Pople's exponents
 $BASIS  GBASIS=N31 NGAUSS=6 NDFUNC=1 NPFUNC=1 POLAR=POPLE $END
 $GUESS GUESS=HUCKEL $END
! Entry of Data: Symmetry type CNV 4 means a linear diatomic
!    which can be ASYMMETRIC. DNH 4 cannot be used for HF
!   FOR LINEAR MOLECULES USE DNH 4 or CNV 4.
!
! one blank lines after the symmetry
! Then comes the atom entry
! atom name   charge xcoord   ycoord    zcoord
!

 $DATA
NH3 (this is the title card)
CNV 3 

X
N  1  1.0
H  2  rNH  1  aXNH
H  2  rNH  1  aXNH  3 120
H  2  rNH  1  aXNH  3 240

rNH  = 1.913
aXNH = 112.145
 $END