Wall clock time and date at job start Sat Apr 11 2020 06:11:24 AMSOL-version 7.1 by G. D. Hawkins, D. J. Giesen, G. C. Lynch, C. C. Chambers, I. Rossi, J. W. Storer, J. Li, J. D. Thompson, P. Winget, B. J. Lynch, D. Rinaldi, D. A. Liotard, C. J. Cramer, and D. G. Truhlar Copyright 2004 by Regents of the University of Minnesota. All rights reserved. Notice: recipients of this code are asked to comply with the user agreement in Section 1 of the documentation file. ******************************************************************************* * 1SCF - SCF CALCULATION WITHOUT GEOMETRY OPTIMIZATION * - USE EF ROUTINE FOR MINIMUM SEARCH (DEFAULT) * GEO-OK - OVERRIDE INTERATOMIC DISTANCE CHECK * TLIMIT= - A TIME OF 15. SECONDS REQUESTED * CHARGE - CHARGE ON SYSTEM= -1 * AM1 - THE AM1 HAMILTONIAN TO BE USED * DEV - DEVELOPER OPTIONS ARE ALLOWED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS USER-SPECIFIED * DIELEC - THE SOLVENT DIELECTRIC CONSTANT IS 2.06 * IOFR - THE SOLVENT INDEX OF REFRACTION IS 1.4345 * ALPHA - THE SOLVENT ALPHA IS 0.00 * BETA - THE SOLVENT BETA IS 0.00 * GAMMA - THE SOLVENT MACROSCOPIC SURFACE TENSION IS * 38.93 CAL MOL^-1 ANGSTROM^-2 * FACARB - THE FRACTION OF AROMATIC CARBONS IS 0.00 * FEHALO - THE FRACTION OF ELECTRONEGATIVE HALOGENS IS 0.00 ******************************************************************************* Atom NO. Chemical Bond length Bond angle Dihedral angle number (k) symbol (angstroms) (degrees) (degrees) (I) NA:I NB:NA:I NC:NB:NA:I NA NB NC 1 1 C 2 2 O 1.42896 * 1 3 3 C 1.42901 * 114.00092 * 2 1 4 4 C 1.53001 * 109.47168 * 179.97438 * 3 2 1 5 5 C 1.52995 * 109.47398 * 180.02562 * 4 3 2 6 6 N 1.46496 * 109.47363 * 179.97438 * 5 4 3 7 7 C 1.46269 * 118.81121 * 89.99768 * 6 5 4 8 8 C 1.52036 * 109.96972 * 162.90200 * 7 6 5 9 9 C 1.54607 * 110.76886 * 283.47183 * 8 7 6 10 10 C 1.54459 * 102.97567 * 207.05206 * 9 8 7 11 11 N 1.47501 * 107.26133 * 21.54387 * 10 9 8 12 12 C 1.46905 * 110.99800 * 123.21729 * 11 10 9 13 13 C 1.52997 * 109.46939 * 69.11264 * 12 11 10 14 14 C 1.53004 * 109.46999 * 180.02562 * 13 12 11 15 15 C 1.50697 * 109.47000 * 179.97438 * 14 13 12 16 16 H 1.08001 * 120.00207 * 359.97438 * 15 14 13 17 17 C 1.37880 * 119.99956 * 179.97438 * 15 14 13 18 18 N 1.31514 * 119.99832 * 179.97438 * 17 15 14 19 19 Si 1.86795 * 119.99913 * 359.97438 * 17 15 14 20 20 H 1.48502 * 109.47353 * 90.00156 * 19 17 15 21 21 H 1.48498 * 109.47180 * 210.00044 * 19 17 15 22 22 H 1.48499 * 109.47218 * 329.99737 * 19 17 15 23 23 C 1.48003 * 108.60775 * 0.92778 * 11 10 9 24 24 O 1.42111 * 110.96639 * 46.85037 * 8 7 6 25 25 C 1.43074 * 113.31568 * 294.26844 * 24 8 7 26 26 C 1.33836 * 118.81660 * 270.02076 * 6 5 4 27 27 O 1.21284 * 118.61501 * 2.71435 * 26 6 5 28 28 H 1.08995 * 109.47263 * 299.99592 * 1 2 3 29 29 H 1.09005 * 109.47550 * 59.99765 * 1 2 3 30 30 H 1.09006 * 109.47571 * 179.97438 * 1 2 3 31 31 H 1.09002 * 109.46389 * 60.00321 * 3 2 1 32 32 H 1.08997 * 109.46855 * 300.00078 * 3 2 1 33 33 H 1.09001 * 109.47161 * 59.99868 * 4 3 2 34 34 H 1.09002 * 109.46857 * 300.00376 * 4 3 2 35 35 H 1.09006 * 109.47018 * 59.99414 * 5 4 3 36 36 H 1.08999 * 109.46800 * 300.00264 * 5 4 3 37 37 H 1.09004 * 109.38936 * 42.75377 * 7 6 5 38 38 H 1.08996 * 109.30875 * 283.00582 * 7 6 5 39 39 H 1.08999 * 110.70041 * 88.67294 * 9 8 7 40 40 H 1.08999 * 110.70583 * 325.43044 * 9 8 7 41 41 H 1.09006 * 109.88099 * 262.13169 * 10 9 8 42 42 H 1.08999 * 109.88446 * 140.96136 * 10 9 8 43 43 H 1.09005 * 109.47219 * 189.10891 * 12 11 10 44 44 H 1.08995 * 109.47146 * 309.10935 * 12 11 10 45 45 H 1.09005 * 109.46861 * 299.99847 * 13 12 11 46 46 H 1.08995 * 109.47470 * 59.99870 * 13 12 11 47 47 H 1.09005 * 109.47037 * 299.99552 * 14 13 12 48 48 H 1.08995 * 109.47269 * 59.99560 * 14 13 12 49 49 H 0.97004 * 119.99755 * 179.97438 * 18 17 15 50 50 H 1.09002 * 110.38563 * 95.57009 * 23 11 10 51 51 H 1.08997 * 110.38219 * 217.82609 * 23 11 10 52 52 H 1.08998 * 109.39426 * 287.91041 * 25 24 8 53 53 H 1.09000 * 109.31174 * 168.15427 * 25 24 8 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 6 0.0000 0.0000 0.0000 2 8 1.4290 0.0000 0.0000 3 6 2.0102 1.3055 0.0000 4 6 3.5354 1.1846 0.0006 5 6 4.1578 2.5823 0.0013 6 7 5.6182 2.4666 0.0025 7 6 6.3220 2.4110 -1.2785 8 6 7.7974 2.7155 -1.0740 9 6 8.0211 4.2316 -0.8693 10 6 9.4661 4.4401 -1.3733 11 7 9.7842 3.3124 -2.2693 12 6 10.1852 3.7928 -3.5984 13 6 11.5447 4.4877 -3.5007 14 6 11.9621 4.9887 -4.8848 15 6 13.3009 5.6737 -4.7885 16 1 13.8037 5.7450 -3.8353 17 6 13.8840 6.2094 -5.9172 18 7 15.0522 6.8076 -5.8331 19 14 13.0147 6.0854 -7.5660 20 1 12.1422 7.2719 -7.7560 21 1 14.0233 6.0333 -8.6546 22 1 12.1877 4.8525 -7.5981 23 6 8.5982 2.4317 -2.3593 24 8 8.3218 1.9779 0.0217 25 6 7.7582 2.3570 1.2810 26 6 6.2602 2.4151 1.1757 27 8 5.6056 2.4159 2.1967 28 1 -0.3633 0.5137 0.8900 29 1 -0.3634 0.5139 -0.8900 30 1 -0.3634 -1.0277 -0.0005 31 1 1.6886 1.8463 0.8901 32 1 1.6886 1.8463 -0.8900 33 1 3.8574 0.6435 -0.8891 34 1 3.8566 0.6438 0.8909 35 1 3.8357 3.1230 0.8913 36 1 3.8365 3.1234 -0.8887 37 1 5.8921 3.1453 -1.9598 38 1 6.2141 1.4142 -1.7060 39 1 7.9387 4.4942 0.1853 40 1 7.3167 4.8093 -1.4678 41 1 10.1556 4.4488 -0.5291 42 1 9.5357 5.3799 -1.9211 43 1 10.2573 2.9482 -4.2836 44 1 9.4420 4.4989 -3.9689 45 1 11.4726 5.3324 -2.8154 46 1 12.2879 3.7817 -3.1301 47 1 12.0341 4.1443 -5.5704 48 1 11.2188 5.6948 -5.2550 49 1 15.4626 7.1842 -6.6273 50 1 8.0053 2.6819 -3.2390 51 1 8.9036 1.3859 -2.3931 52 1 8.1391 3.3371 1.5677 53 1 8.0396 1.6240 2.0371 RHF calculation, no. of doubly occupied orbitals= 66 REFERENCES FOR PARAMETERS IN GAS-PHASE HAMILTONIAN: H: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) C: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) N: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) O: (AM1): M.J.S. DEWAR ET AL, J. AM. CHEM. SOC. 107 3902-3909 (1985) Si: (AM1): M.J.S.DEWAR, C. JIE, ORGANOMETALLICS, 6, 1486-1490 (1987). REFERENCE FOR CHARGE MODEL 2: J. Li, J. Xing, C. J. Cramer, and D. G. Truhlar, J. Chem. Phys. 111 (1999) 885. REFERENCE FOR THE PARAMETERIZATION OF THE SM5.42R SOLVATION MODEL: J. Li, T. Zhu, G. D. Hawkins, P. Winget, D. A. Liotard, C. J. Cramer, and D. G. Truhlar, Theor. Chem. Acc. 103 (1999) 9-63 P. Winget, J. D. Thompson C. J. Cramer,and D. G. Truhlar, J. Phys. Chem. B. submitted. CHARGE=-1 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=GENORG IOFR=1.4345 ALPHA=0.00 BETA=0.00 GAMMA=38.93 & DIELEC=2.06 FACARB=0.00 FEHALO=0.00 DEV ZINC001274043258.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Apr 11 2020 06:11:24 Heat of formation + Delta-G solvation = -115.727323 kcal Electronic energy + Delta-G solvation = -30219.609265 eV Core-core repulsion = 26091.628694 eV Total energy + Delta-G solvation = -4127.980572 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.63 seconds Orbital eigenvalues (eV) -41.55683 -39.42907 -38.41802 -37.18746 -36.31148 -34.21943 -33.05199 -32.21521 -30.61823 -30.06126 -28.54128 -27.32508 -26.98234 -25.41994 -25.16428 -23.06423 -22.53191 -21.40307 -20.94783 -19.90011 -18.85360 -18.11978 -17.42320 -16.78922 -16.67196 -16.60739 -16.42332 -16.16230 -15.59184 -15.41113 -14.99230 -14.84498 -14.51017 -14.25111 -14.13369 -13.85821 -13.72761 -13.56011 -13.20132 -12.91101 -12.84469 -12.67042 -12.50039 -12.32992 -12.20067 -11.89666 -11.81936 -11.62316 -11.59137 -11.39699 -11.19244 -11.09539 -10.95320 -10.69764 -10.58986 -10.16583 -9.95481 -9.76518 -9.68171 -9.57524 -9.25167 -9.16991 -8.53299 -8.21645 -6.03399 -4.01130 2.09260 2.29711 3.17935 3.29453 3.30568 3.37265 3.40425 3.70667 3.98232 4.15652 4.32091 4.37028 4.41965 4.45154 4.58502 4.65912 4.73405 4.78983 4.85434 4.87784 4.89446 4.90490 4.97445 5.03286 5.10643 5.14139 5.20047 5.23678 5.30259 5.30769 5.45333 5.51059 5.56503 5.60493 5.64464 5.67239 5.83637 5.90529 6.03437 6.13124 6.50524 6.53396 6.58063 6.65809 6.87825 6.90660 7.05659 7.19000 7.35924 7.45650 7.61718 7.80903 8.55960 9.02511 9.59107 11.10198 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.020406 B = 0.001863 C = 0.001750 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1371.791479 B =15029.185357 C =15991.761248 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.032 3.968 2 O -0.392 6.392 3 C 0.065 3.935 4 C -0.134 4.134 5 C 0.114 3.886 6 N -0.601 5.601 7 C 0.098 3.902 8 C 0.092 3.908 9 C -0.169 4.169 10 C 0.048 3.952 11 N -0.521 5.521 12 C 0.048 3.952 13 C -0.096 4.096 14 C -0.013 4.013 15 C -0.519 4.519 16 H 0.072 0.928 17 C 0.065 3.935 18 N -0.904 5.904 19 Si 0.880 3.120 20 H -0.278 1.278 21 H -0.288 1.288 22 H -0.266 1.266 23 C 0.062 3.938 24 O -0.338 6.338 25 C 0.047 3.953 26 C 0.490 3.510 27 O -0.541 6.541 28 H 0.042 0.958 29 H 0.041 0.959 30 H 0.086 0.914 31 H 0.052 0.948 32 H 0.050 0.950 33 H 0.073 0.927 34 H 0.077 0.923 35 H 0.089 0.911 36 H 0.081 0.919 37 H 0.089 0.911 38 H 0.080 0.920 39 H 0.079 0.921 40 H 0.080 0.920 41 H 0.080 0.920 42 H 0.065 0.935 43 H 0.071 0.929 44 H 0.030 0.970 45 H 0.052 0.948 46 H 0.063 0.937 47 H 0.015 0.985 48 H 0.008 0.992 49 H 0.262 0.738 50 H 0.064 0.936 51 H 0.094 0.906 52 H 0.094 0.906 53 H 0.133 0.867 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -28.465 -10.623 11.724 32.566 Note: The Mulliken population analysis charges presented below were not used in the solvation calculation but are provided for completeness. The chosen solvation model uses CM2 partial charges for calculating solvation energies. Net atomic charges, atomic populations, and dipole contributions using Mulliken population analysis Atom NO. Type Charge No. of electrons 1 C -0.065 4.065 2 O -0.311 6.311 3 C -0.012 4.012 4 C -0.172 4.172 5 C -0.008 4.008 6 N -0.334 5.334 7 C -0.026 4.026 8 C 0.051 3.949 9 C -0.207 4.207 10 C -0.080 4.080 11 N -0.245 5.245 12 C -0.080 4.080 13 C -0.134 4.134 14 C -0.051 4.051 15 C -0.557 4.557 16 H 0.090 0.910 17 C -0.136 4.136 18 N -0.543 5.543 19 Si 0.708 3.292 20 H -0.204 1.204 21 H -0.214 1.214 22 H -0.190 1.190 23 C -0.066 4.066 24 O -0.256 6.256 25 C -0.032 4.032 26 C 0.278 3.722 27 O -0.419 6.419 28 H 0.060 0.940 29 H 0.060 0.940 30 H 0.105 0.895 31 H 0.070 0.930 32 H 0.069 0.931 33 H 0.092 0.908 34 H 0.096 0.904 35 H 0.107 0.893 36 H 0.099 0.901 37 H 0.107 0.893 38 H 0.098 0.902 39 H 0.097 0.903 40 H 0.098 0.902 41 H 0.098 0.902 42 H 0.083 0.917 43 H 0.089 0.911 44 H 0.049 0.951 45 H 0.071 0.929 46 H 0.082 0.918 47 H 0.034 0.966 48 H 0.026 0.974 49 H 0.072 0.928 50 H 0.082 0.918 51 H 0.113 0.887 52 H 0.111 0.889 53 H 0.150 0.850 Dipole moment (debyes) X Y Z Total from point charges -27.957 -11.111 12.317 32.508 hybrid contribution -1.456 0.959 -1.328 2.191 sum -29.413 -10.152 10.990 33.000 Atomic orbital electron populations 1.22754 0.80812 1.02906 1.00033 1.87883 1.19880 1.27908 1.95435 1.22411 0.93579 0.84884 1.00338 1.21835 0.93315 0.97981 1.04108 1.21388 0.79063 0.96682 1.03690 1.47477 1.07119 1.72742 1.06065 1.21991 0.91715 1.03432 0.85456 1.22284 0.91265 0.91854 0.89531 1.23451 0.99244 0.95157 1.02888 1.22834 0.93775 0.93906 0.97477 1.63695 1.31944 1.16885 1.11964 1.22544 0.98378 0.98649 0.88414 1.21454 0.93567 0.98844 0.99566 1.19555 0.96872 0.95856 0.92824 1.21150 1.02492 1.35551 0.96463 0.91017 1.25045 0.94753 0.94773 0.99019 1.69922 1.16507 1.38383 1.29520 0.86771 0.79571 0.78939 0.83932 1.20440 1.21410 1.19036 1.22869 0.90658 1.00263 0.92788 1.88113 1.63944 1.60144 1.13400 1.22854 0.87622 1.04386 0.88350 1.21085 0.91909 0.75985 0.83213 1.90742 1.67277 1.49794 1.34086 0.93984 0.94010 0.89521 0.93009 0.93148 0.90840 0.90436 0.89291 0.90109 0.89297 0.90170 0.90283 0.90162 0.90161 0.91680 0.91061 0.95142 0.92936 0.91838 0.96631 0.97399 0.92791 0.91802 0.88737 0.88853 0.84978 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. Note: The number of geometries may not correspond to the number of cycles due to rejected geometry changes. In the following table subtotal= G_P + SS G_CDS. Atom Chem. CM2 G_P Area Sigma k SS G_CDS Subtotal M number symbol chg. (kcal) (Ang**2) cal/(Ang**2) (kcal) (kcal) value 1 C 0.03 0.17 11.01 101.05 1.11 1.29 16 2 O -0.39 -3.43 10.70 -35.23 -0.38 -3.81 16 3 C 0.07 0.44 5.94 37.16 0.22 0.66 16 4 C -0.13 -1.01 5.90 -26.73 -0.16 -1.17 16 5 C 0.11 0.80 5.28 -4.05 -0.02 0.78 16 6 N -0.60 -5.02 2.83 -174.91 -0.49 -5.52 16 7 C 0.10 0.69 5.40 -4.66 -0.03 0.66 16 8 C 0.09 0.83 0.83 -89.71 -0.07 0.75 16 9 C -0.17 -1.54 5.79 -25.12 -0.15 -1.68 16 10 C 0.05 0.57 6.21 -2.73 -0.02 0.55 16 11 N -0.52 -6.92 5.17 -231.52 -1.20 -8.12 16 12 C 0.05 0.72 4.53 -3.82 -0.02 0.70 16 13 C -0.10 -1.86 5.17 -26.73 -0.14 -2.00 16 14 C -0.01 -0.31 4.04 -27.88 -0.11 -0.42 16 15 C -0.52 -14.78 9.66 -34.44 -0.33 -15.11 16 16 H 0.07 2.21 7.99 -52.49 -0.42 1.79 16 17 C 0.06 1.89 5.47 -17.82 -0.10 1.80 16 18 N -0.90 -27.94 13.96 55.43 0.77 -27.17 16 19 Si 0.88 21.57 27.47 -169.99 -4.67 16.91 16 20 H -0.28 -6.68 7.11 56.52 0.40 -6.28 16 21 H -0.29 -7.01 7.11 56.52 0.40 -6.61 16 22 H -0.27 -6.21 6.54 56.52 0.37 -5.84 16 23 C 0.06 0.64 5.87 -2.66 -0.02 0.62 16 24 O -0.34 -3.57 10.43 -35.23 -0.37 -3.93 16 25 C 0.05 0.43 6.37 35.80 0.23 0.66 16 26 C 0.49 5.10 7.46 -11.61 -0.09 5.01 16 27 O -0.54 -7.25 16.37 5.55 0.09 -7.16 16 28 H 0.04 0.19 8.14 -51.93 -0.42 -0.23 16 29 H 0.04 0.18 8.14 -51.93 -0.42 -0.24 16 30 H 0.09 0.38 8.14 -51.93 -0.42 -0.04 16 31 H 0.05 0.33 8.14 -51.93 -0.42 -0.10 16 32 H 0.05 0.26 8.14 -51.93 -0.42 -0.16 16 33 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 34 H 0.08 0.77 8.14 -51.93 -0.42 0.35 16 35 H 0.09 0.72 7.30 -51.93 -0.38 0.34 16 36 H 0.08 0.38 7.95 -51.93 -0.41 -0.03 16 37 H 0.09 0.47 7.72 -51.93 -0.40 0.07 16 38 H 0.08 0.52 8.13 -51.93 -0.42 0.10 16 39 H 0.08 0.68 5.96 -51.93 -0.31 0.37 16 40 H 0.08 0.65 7.81 -51.93 -0.41 0.24 16 41 H 0.08 1.00 8.14 -51.93 -0.42 0.58 16 42 H 0.06 0.82 6.87 -51.93 -0.36 0.47 16 43 H 0.07 1.05 8.08 -51.93 -0.42 0.63 16 44 H 0.03 0.44 7.98 -51.93 -0.41 0.02 16 45 H 0.05 1.02 7.09 -51.93 -0.37 0.65 16 46 H 0.06 1.29 8.14 -51.93 -0.42 0.87 16 47 H 0.02 0.36 7.20 -51.93 -0.37 -0.01 16 48 H 0.01 0.18 7.57 -51.93 -0.39 -0.22 16 49 H 0.26 7.58 8.31 -40.82 -0.34 7.24 16 50 H 0.06 0.55 7.67 -51.93 -0.40 0.15 16 51 H 0.09 0.98 8.14 -51.93 -0.42 0.56 16 52 H 0.09 0.75 6.60 -51.93 -0.34 0.41 16 53 H 0.13 1.05 8.14 -51.93 -0.42 0.63 16 LS Contribution 412.42 15.07 6.22 6.22 Total: -1.00 -34.31 412.42 -9.34 -43.65 By element: Atomic # 1 Polarization: 5.48 SS G_CDS: -9.63 Total: -4.15 kcal Atomic # 6 Polarization: -7.22 SS G_CDS: 0.32 Total: -6.91 kcal Atomic # 7 Polarization: -39.89 SS G_CDS: -0.92 Total: -40.80 kcal Atomic # 8 Polarization: -14.25 SS G_CDS: -0.65 Total: -14.91 kcal Atomic # 14 Polarization: 21.57 SS G_CDS: -4.67 Total: 16.91 kcal Total LS contribution 6.22 Total: 6.22 kcal Total: -34.31 -9.34 -43.65 kcal The number of atoms in the molecule is 53 The average number of expansion shells was 16.00 The maximum number of expansion shells was 16 The minimum number of expansion shells was 16 **** NOTA BENE **** This is the net solvation energy for this exact molecular structure (nuclear and electronic)! The standard-state solvation energy should be obtained as the difference between the heat of formation plus delta-G solvation for the relaxed solvated system and that for the relaxed gas-phase system. ZINC001274043258.mol2 53 1SCF run This is a breakdown of the solvation energy calculated without geometric relaxation in solution: (1) E-EN(sol) electronic-nuclear energy of solute -72.081 kcal (2) G-P(sol) polarization free energy of solvation -34.307 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -106.388 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.340 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.647 kcal (6) G-S(sol) free energy of system = (1) + (5) -115.727 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.63 seconds