SUMMARY OF  PM7 CALCULATION, Site No: 23746

                                                       MOPAC2016 (Version: 21.053M)
                                                       Tue Feb 23 17:38:46 2021
                                                       No. of days remaining = 364

           Empirical Formula: H48 O8 Si16  =    72 atoms

 MERS=(2,1,1)  CHARGE=0  OUTPUT THREADS=1 PM7 GRADIENTS  NOTXT            EF
 Disilyl ether ((SiH3)2O)



     GRADIENTS WERE INITIALLY ACCEPTABLY SMALL
     SCF FIELD WAS ACHIEVED

          HEAT OF FORMATION       =       -847.42722 KCAL/MOL =   -3545.63547 KJ/MOL
          H.o.F. per unit cell    =       -105.92840 KCAL, for 8 unit cells, unit cell = H6 O1 Si2
          TOTAL ENERGY            =      -4651.32282 EV
          ELECTRONIC ENERGY       =   -6830947.50302 EV
          CORE-CORE REPULSION     =    6826296.18019 EV

          VOLUME OF UNIT CELL     =        619.509 CUBIC ANGSTROMS

          DENSITY                 =          0.839 GRAMS/CC
                              A   =          4.750 ANGSTROMS
                              B   =          9.285 ANGSTROMS
                              C   =         14.063 ANGSTROMS
                            ALPHA =         91.807 DEGREES
                            BETA  =         88.502 DEGREES
                            GAMMA =         91.800 DEGREES


          VOLUME OF CLUSTER       =       1239.01745 ANGSTROMS**3 =  746.153 CM**3/MOLE

          GRADIENT NORM           =          3.21666 = 0.37909 PER ATOM
          NO. OF FILLED LEVELS    =         80
          IONIZATION POTENTIAL    =         11.024667 EV
          HOMO LUMO ENERGIES (EV) =        -11.025  0.577
          MOLECULAR WEIGHT        =        625.7424
           Pressure required to constrain translation vectors
           Tv(  73)  Pressure:   0.01 GPa
           Tv(  74)  Pressure:   0.01 GPa
           Tv(  75)  Pressure:   0.01 GPa
          SCF CALCULATIONS        =          1
          WALL-CLOCK TIME         =         14.918 SECONDS
          COMPUTATION TIME        =         14.848 SECONDS


          FINAL GEOMETRY OBTAINED
 MERS=(2,1,1)  CHARGE=0  OUTPUT THREADS=1 PM7 GRADIENTS  NOTXT            EF
 Disilyl ether ((SiH3)2O)

 Si     0.81348849 +1  -0.10713494 +1   0.36253484 +1
 Si    -7.78537173 +1   3.39786416 +1   0.16773831 +1
 Si    -4.13564199 +1   6.09457407 +1   1.96911175 +1
  O    -3.57436534 +1   0.17003269 +1  -0.46919593 +1
  O    -8.05657003 +1   1.83430286 +1   0.03785796 +1
  O     2.25712392 +1  -0.76811038 +1   0.25420698 +1
  O    -5.19983578 +1   6.98608786 +1   1.19188263 +1
 Si    -3.58408162 +1   1.43505360 +1   0.49250640 +1
 Si    -8.40217046 +1   0.28325945 +1  -0.05610981 +1
 Si     3.72225931 +1  -1.37755504 +1   0.15340606 +1
 Si    -6.26003753 +1   7.78022973 +1   0.31274932 +1
  H    -2.35043719 +1  -1.93492962 +1  -1.02958663 +1
  H    -8.91173332 +1   4.16000131 +1  -0.35665984 +1
  H     0.84798342 +1   1.06292086 +1   1.23137601 +1
  H    -4.22040513 +1   4.71278174 +1   1.51424732 +1
  H    -6.57890278 +1   7.03777168 +1  -0.90091156 +1
  H     4.72745027 +1  -0.33367589 +1   0.33597344 +1
  H    -9.80430000 +1   0.09091059 +1  -0.41674375 +1
  H    -2.42178268 +1   1.41949282 +1   1.37449462 +1
  H    -4.70902530 +1  -1.98008948 +1  -1.07176138 +1
  H    -7.60841812 +1   3.78073308 +1   1.56478736 +1
  H     0.35074381 +1   0.32968554 +1  -0.95117700 +1
  H    -2.78304087 +1   6.57485068 +1   1.71085111 +1
  H    -0.15450869 +1  -1.05293402 +1   0.89984953 +1
  H    -4.37278944 +1   6.12881004 +1   3.40379164 +1
  H    -3.52461341 +1  -0.84506834 +1  -2.77078406 +1
  H    -6.58848431 +1   3.78807046 +1  -0.56341701 +1
  H    -4.77325209 +1   1.47144109 +1   1.33268833 +1
  H    -8.17351776 +1  -0.40509601 +1   1.20654355 +1
  H     3.96230326 +1  -2.01226785 +1  -1.13609656 +1
  H    -5.77056198 +1   9.09667638 +1  -0.07436059 +1
  H    -7.59813661 +1  -0.37789859 +1  -1.07803037 +1
  H    -3.53310562 +1   2.67243467 +1  -0.27884027 +1
  H    -7.50542522 +1   7.96092514 +1   1.05049897 +1
  H     3.94381006 +1  -2.38349318 +1   1.18712218 +1
 Si    -3.53816539 +1  -1.15406438 +1  -1.34969027 +1
 Si     2.81692168 +1   1.13462730 +1  -3.74853510 +1
 Si    -5.75796317 +1   4.61157945 +1  -3.97156310 +1
 Si    -2.21605280 +1   7.35419416 +1  -2.03539347 +1
  O    -1.54886431 +1   1.41991682 +1  -4.55441116 +1
  O    -6.04874561 +1   3.05239352 +1  -4.10059170 +1
  O     4.25472214 +1   0.45965501 +1  -3.85735987 +1
  O    -3.24903613 +1   8.20568189 +1  -2.89489130 +1
 Si    -1.51484470 +1   2.69297769 +1  -3.60179267 +1
 Si    -6.39854350 +1   1.50409947 +1  -4.20864595 +1
 Si     5.71460657 +1  -0.16149289 +1  -3.96242241 +1
 Si    -4.26065069 +1   9.00213989 +1  -3.82690600 +1
  H    -0.44863136 +1  -0.78812302 +1  -4.94256517 +1
  H    -6.86262621 +1   5.39039660 +1  -4.52021247 +1
  H     2.85634801 +1   2.27455615 +1  -2.83803433 +1
  H    -2.52878914 +1   5.93296252 +1  -2.12933293 +1
  H    -4.58323421 +1   8.21869073 +1  -5.01373959 +1
  H     6.72820095 +1   0.87926883 +1  -3.81491664 +1
  H    -7.76070075 +1   1.31787438 +1  -4.69933155 +1
  H    -0.39586714 +1   2.60715714 +1  -2.66800298 +1
  H    -2.78104399 +1  -0.64903608 +1  -5.25400829 +1
  H    -5.60466350 +1   4.99333267 +1  -2.57044379 +1
  H     2.37625950 +1   1.62288113 +1  -5.05057094 +1
  H    -0.85854832 +1   7.55568232 +1  -2.53497275 +1
  H     1.83131696 +1   0.18282663 +1  -3.25588079 +1
  H    -2.25379262 +1   7.75345300 +1  -0.63502904 +1
  H    -1.32425379 +1   0.35166957 +1  -6.82022404 +1
  H    -4.54079270 +1   4.98326874 +1  -4.67934012 +1
  H    -2.73276953 +1   2.82227384 +1  -2.81382211 +1
  H    -6.30400641 +1   0.83147016 +1  -2.92150102 +1
  H     5.93507307 +1  -0.82669883 +1  -5.23979402 +1
  H    -3.70982876 +1  10.27941539 +1  -4.25951620 +1
  H    -5.50538815 +1   0.82294801 +1  -5.13994135 +1
  H    -1.33998711 +1   3.91670591 +1  -4.37794366 +1
  H    -5.51127983 +1   9.26571694 +1  -3.12215823 +1
  H     5.94353200 +1  -1.14315372 +1  -2.90810392 +1
 Si    -1.52593044 +1   0.07751372 +1  -5.40669774 +1
 Tv     3.74800070 +1   2.35626188 +1  -8.40642105 +1
 Tv     7.35618064 +1   3.37050421 +1   4.55412543 +1
 Tv     6.02283848 +1 -12.64444193 +1  -1.27432693 +1