SUMMARY OF  PM7 CALCULATION, Site No: 23746

                                                       MOPAC2016 (Version: 21.053M)
                                                       Wed Feb 24 07:52:51 2021
                                                       No. of days remaining = 363

           Empirical Formula: O56 Nb16 Hg16  =    88 atoms

 MERS=(1,1,1)  CHARGE=0  OUTPUT THREADS=1 PM7 GRADIENTS  NOTXT            EF
 Mercury niobate (Hg2Nb2O7) (ICSD 22226)



     GEOMETRY OPTIMISED USING EIGENVECTOR FOLLOWING (EF).
     SCF FIELD WAS ACHIEVED

          HEAT OF FORMATION       =      -3957.88371 KCAL/MOL =  -16559.78542 KJ/MOL
          H.o.F. per unit cell    =       -494.73546 KCAL, for 8 unit cells, unit cell = O7 Nb2 Hg2
          TOTAL ENERGY            =     -19258.78309 EV
          ELECTRONIC ENERGY       =  -46504975.45074 EV
          CORE-CORE REPULSION     =   46485716.66765 EV

          VOLUME OF UNIT CELL     =       1072.390 CUBIC ANGSTROMS

          DENSITY                 =          8.659 GRAMS/CC
                              A   =         10.252 ANGSTROMS
                              B   =         10.250 ANGSTROMS
                              C   =         10.206 ANGSTROMS
                            ALPHA =         90.017 DEGREES
                            BETA  =         89.809 DEGREES
                            GAMMA =         90.372 DEGREES


          GRADIENT NORM           =          4.51391 = 0.48118 PER ATOM
          NO. OF FILLED LEVELS    =        224
          IONIZATION POTENTIAL    =          6.900361 EV
          HOMO LUMO ENERGIES (EV) =         -6.900 -2.531
          MOLECULAR WEIGHT        =       5591.9088
           Pressure required to constrain translation vectors
           Tv(  89)  Pressure:   0.01 GPa
           Tv(  90)  Pressure:   0.00 GPa
           Tv(  91)  Pressure:  -0.07 GPa
          SCF CALCULATIONS        =         22
          WALL-CLOCK TIME         = 14 MINUTES AND 30.350 SECONDS
          COMPUTATION TIME        = 14 MINUTES AND 26.177 SECONDS


          FINAL GEOMETRY OBTAINED
 MERS=(1,1,1)  CHARGE=0  OUTPUT THREADS=1 PM7 GRADIENTS  NOTXT            EF
 Mercury niobate (Hg2Nb2O7) (ICSD 22226)

 Nb    -0.00604831 +1  -0.05935440 +1   0.02366727 +1
 Hg     0.73342393 +1   0.92292062 +1   3.41004242 +1
 Hg    -2.15666456 +1   3.05251733 +1   3.46145121 +1
 Hg     0.39371589 +1   3.48540032 +1   0.88678526 +1
 Hg     0.35090794 +1  -2.61531843 +1   2.59113317 +1
 Hg     0.01008887 +1  -6.04610189 +1   1.63644390 +1
 Hg    -2.87962813 +1  -3.89828803 +1   1.75619975 +1
 Hg    -0.37697724 +1  -3.50912835 +1  -0.89762270 +1
 Hg    -5.37151383 +1   1.76482799 +1   2.64769741 +1
 Hg    -5.82875168 +1  -1.68694717 +1   1.74208647 +1
 Hg     4.38932270 +1   5.63720593 +1   5.22987400 +1
 Hg     1.11357460 +1  -1.70113087 +1   5.94305318 +1
 Hg    -0.37080649 +1   2.56288846 +1  -2.49917991 +1
 Hg    -0.78561686 +1  -0.87282581 +1  -3.39630840 +1
 Hg     3.62467006 +1  -1.29958982 +1   3.39534111 +1
 Hg    -1.13220533 +1   1.68866018 +1  -5.94449691 +1
 Nb    -3.26927709 +1  -1.34480512 +1  -0.81743196 +1
 Nb     2.07078687 +1   2.92327708 +1  -4.98281107 +1
 Nb     0.74501666 +1  -5.15877315 +1   5.02759304 +1
 Nb     3.29728415 +1  -4.88819005 +1   2.52442395 +1
 Nb    -2.52408597 +1   5.63777146 +1   0.95344239 +1
 Nb    -2.87600478 +1   2.15634275 +1   0.00291881 +1
 Nb     1.50745819 +1   1.77480186 +1   6.84875527 +1
 Nb     4.02641553 +1   2.18171734 +1   4.27541742 +1
 Nb     3.22329097 +1   1.35445267 +1   0.83452817 +1
 Nb     2.92943412 +1  -2.17217794 +1   0.10511009 +1
 Nb     2.53282925 +1   0.28106148 +1  -2.52543875 +1
 Nb    -1.77595636 +1   0.58767416 +1   5.98461704 +1
 Nb    -2.14881820 +1  -2.94329542 +1   5.17637872 +1
 Nb    -5.05322622 +1  -0.77144459 +1   5.16936352 +1
 Nb    -2.53893109 +1  -0.39725364 +1   2.57308217 +1
  O     1.53964170 +1  -4.60409481 +1   3.27895167 +1
  O    -3.47032427 +1  -3.29638245 +1  -0.47123337 +1
  O     0.07226458 +1   3.48815076 +1  -4.84085646 +1
  O    -2.90767061 +1  -1.68072288 +1  -2.71167992 +1
  O     3.41157316 +1  -6.67051727 +1   3.33791923 +1
  O    -5.20217572 +1  -1.30358599 +1  -1.06374791 +1
  O    -3.10164221 +1   1.51674700 +1   1.74147099 +1
  O    -0.67555571 +1   6.28910680 +1   0.68534146 +1
  O    -0.81368403 +1   0.08286277 +1   1.80756151 +1
  O     2.93794865 +1   3.36677644 +1   0.75071044 +1
  O    -1.08665672 +1   1.44977485 +1  -0.52923125 +1
  O     2.29607194 +1  -0.87371886 +1  -4.11442764 +1
  O     2.35550641 +1   2.48137920 +1   5.21767420 +1
  O    -1.95411835 +1   3.78453992 +1   0.48333002 +1
  O    -4.71648562 +1   2.70771569 +1  -0.28619262 +1
  O     4.75851769 +1   3.26939174 +1   5.73651296 +1
  O    -2.71535661 +1   3.02746714 +1  -1.95140009 +1
  O    -0.08435615 +1  -1.10590126 +1  -5.64242531 +1
  O     1.67622407 +1   1.77921989 +1  -3.44038211 +1
  O    -1.35624682 +1  -1.42231391 +1  -0.38618909 +1
  O     4.28660097 +1   0.71362752 +1  -3.28934751 +1
  O     2.12441669 +1  -3.58573645 +1  -0.86325717 +1
  O    -1.87084951 +1  -5.18337798 +1  -1.85486782 +1
  O    -3.63619296 +1  -1.00951590 +1   1.08225256 +1
  O     0.78202055 +1  -0.17728477 +1  -1.76249159 +1
  O     3.67464942 +1  -0.48711520 +1   1.01411103 +1
  O     1.23485625 +1  -1.44781675 +1   0.71705476 +1
  O     3.03248514 +1   1.52184052 +1  -1.12885182 +1
  O     3.33598021 +1  -1.22231907 +1  -1.56165439 +1
  O     1.26385868 +1   1.26268753 +1   0.69190830 +1
  O     3.57159231 +1   4.11089137 +1   3.53106268 +1
  O     0.07526864 +1   1.16443185 +1   5.68819745 +1
  O    -1.54865371 +1   5.20064169 +1  -3.34349113 +1
  O    -3.33826266 +1   0.56063773 +1  -1.12013017 +1
  O    -0.37495792 +1  -3.47318185 +1   4.73159836 +1
  O    -1.88863184 +1   0.40381673 +1   7.92447856 +1
  O    -4.25320538 +1  -0.13072264 +1   3.50273176 +1
  O    -1.30299943 +1  -1.22445420 +1   5.68967971 +1
  O     1.68926046 +1   5.37319866 +1   1.90004802 +1
  O    -1.97711654 +1   0.80095701 +1   4.03765323 +1
  O    -2.06569441 +1  -2.07045639 +1   3.23880540 +1
  O     0.55344814 +1  -5.72126523 +1  -0.94160096 +1
  O     3.17916208 +1  -3.07170701 +1   1.83248950 +1
  O     5.09383456 +1   1.83591661 +1   0.56439189 +1
  O    -2.33173925 +1  -2.67526365 +1  -5.26625395 +1
  O    -3.05363116 +1   7.49922124 +1   1.02664261 +1
  O     4.86610978 +1  -2.69134845 +1   0.01037529 +1
  O     2.95657923 +1   1.62716242 +1   2.74027758 +1
  O     2.21030324 +1   5.84072427 +1   5.57478878 +1
  O     0.02432327 +1   2.99912532 +1   3.01331560 +1
  O     1.45516890 +1  -1.12647979 +1   3.81807333 +1
  O    -0.72821457 +1  -3.98722327 +1   1.23617414 +1
  O    -0.04884224 +1  -2.91940848 +1  -3.00443329 +1
  O     0.76201878 +1  -2.17001910 +1   8.07146672 +1
  O     0.70531456 +1   4.03666607 +1  -1.24297066 +1
  O    -1.48399526 +1   1.16236284 +1  -3.81142917 +1
 Hg     1.13996544 +1   4.34339251 +1   4.35826469 +1
 Tv     7.27592970 +1  -2.56870542 +1   6.75009920 +1
 Tv     5.77776631 +1   7.76479690 +1  -3.37419374 +1
 Tv     4.27132372 +1  -6.18302072 +1  -6.90522010 +1