AUX

When AUX is used then auxiliary information is output to a file called <file>.aux.

The auxiliary information is a very compact form of the results of a calculation in a primitive mark-up language. This file is intended for use by other programs. An example of the auxiliary file for water is given below.  No explanation is necessary: the file is intended to be self-discriptive.
  START OF MOPAC FILE
 ####################################
 #                                  #
 #       Start of Input data        #
 #                                  #
 ####
################################
 MOPAC_VERSION=MOPAC2007.7.150W
 DATE="Mon Jun  4 12:15:37 2007"
 METHOD=PM6
 TITLE=" Water"
 KEYWORDS=" SYMMETRY"
 ATOM_EL[0003]=
  O  H  H
 ATOM_X:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.6018    0.7647    0.0000
    0.6018   -0.7647    0.0000
 AO_ATOMINDEX[0006]=
  1  1  1  1  2  3
 ATOM_SYMTYPE[0006]=
  S PX PY PZ  S  S
 AO_ZETA[0006]=
  5.4218  2.2710  2.2710  2.2710  1.2686  1.2686
 ATOM_PQN[0006]=
 2 2 2 2 1 1
 NUM_ELECTRONS=0008
 EMPIRICAL_FORMULA="H2 O"
 ####################################
 #                                  #
 #      Geometry optimization       #
 #                                  #
 ####################################
 HEAT_OF_FORM_UPDATED:KCAL/MOL=-0.540108D+02
 GRADIENT_UPDATED:KCAL/MOL/ANG=+0.210682D+02
 ATOM_X_UPDATED:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.6018    0.7647    0.0000
    0.6018   -0.7647    0.0000
 HEAT_OF_FORM_UPDATED:KCAL/MOL=-0.542600D+02
 GRADIENT_UPDATED:KCAL/MOL/ANG=+0.893385D+01
 ATOM_X_UPDATED:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.5693    0.7558    0.0000
    0.5693   -0.7558    0.0000
 HEAT_OF_FORM_UPDATED:KCAL/MOL=-0.543026D+02
 GRADIENT_UPDATED:KCAL/MOL/ANG=+0.225094D+01
 ATOM_X_UPDATED:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.5641    0.7630    0.0000
    0.5641   -0.7630    0.0000
 HEAT_OF_FORM_UPDATED:KCAL/MOL=-0.543063D+02
 GRADIENT_UPDATED:KCAL/MOL/ANG=+0.144932D+00
 ATOM_X_UPDATED:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.5610    0.7655    0.0000
    0.5610   -0.7655    0.0000
 ####################################
 #                                  #
 #        Final SCF results         #
 #                                  #
 ####################################
 HEAT_OF_FORMATION:KCAL/MOL=-0.543063D+02
 ENERGY_ELECTRONIC:EV=-0.458386D+03
 ENERGY_NUCLEAR:EV=+0.139308D+03
 POINT_GROUP=C2v
 DIPOLE:DEBYE=+0.206870D+01
 AREA:SQUARE ANGSTROMS=+0.424512D+02
 VOLUME:CUBIC ANGSTROMS=+0.251444D+02
 ATOM_X_OPT:ANGSTROMS[0009]=
    0.0000    0.0000    0.0000
    0.5610    0.7655    0.0000
    0.5610   -0.7655    0.0000
 ATOM_CHARGES[0003]=
 -0.61867 +0.30933 +0.30933
 OVERLAP_MATRIX[000021]=
 #  Lower half triangle only
   1.0000   0.0000   1.0000   0.0000   0.0000   1.0000   0.0000   0.0000   0.0000   1.0000
   0.1618   0.2330   0.3180   0.0000   1.0000   0.1618   0.2330  -0.3180   0.0000   0.2333
   1.0000
 EIGENVECTORS[000036]=
  -0.8288  -0.2451   0.0000   0.0000  -0.3556  -0.3556   0.0000   0.0000   0.8129   0.0000
   0.4118  -0.4118   0.4394  -0.8417   0.0000   0.0000  -0.2220  -0.2220   0.0000   0.0000
   0.0000   1.0000   0.0000   0.0000   0.3463   0.4812   0.0000   0.0000  -0.5694  -0.5694
   0.0000   0.0000   0.5824   0.0000  -0.5748   0.5748
 TOTAL_DENSITY_MATRIX[000021]=
 #  Lower half triangle only
   1.7601  -0.3333   1.5370   0.0000   0.0000   1.3216   0.0000   0.0000   0.0000   2.0000
   0.3944   0.5480   0.6695   0.0000   0.6907   0.3944   0.5480  -0.6695   0.0000   0.0123
   0.6907
 M.O.SYMMETRY_LABELS[0006]=
  1a1     1b2     2a1     1b1     3a1     2b2 
 EIGENVALUES[0006]=
  -30.402  -18.983  -14.111  -11.905    4.067    6.038
 MOLECULAR_ORBITAL_OCCUPANCIES[00006]=
 2.0000 2.0000 2.0000 2.0000 0.0000 0.0000