Wall clock time and date at job start Sat Apr 11 2020 06:11:58 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 C 1.53000 * 1 3 3 H 1.08998 * 109.47225 * 2 1 4 4 O 1.42903 * 109.47225 * 239.99884 * 2 1 3 5 5 C 1.42896 * 114.00045 * 90.00035 * 4 2 1 6 6 C 1.52999 * 109.47342 * 180.02562 * 5 4 2 7 7 C 1.53002 * 117.49863 * 243.62079 * 6 5 4 8 8 C 1.52997 * 117.49930 * 174.99710 * 6 5 4 9 9 C 1.50703 * 109.47084 * 120.00202 * 2 1 3 10 10 O 1.21282 * 120.00314 * 111.45774 * 9 2 1 11 11 N 1.34777 * 119.99900 * 291.45600 * 9 2 1 12 12 C 1.46932 * 120.63078 * 4.02315 * 11 9 2 13 13 C 1.52764 * 109.00928 * 233.58684 * 12 11 9 14 14 C 1.53038 * 109.37924 * 305.58694 * 13 12 11 15 15 C 1.53034 * 109.54100 * 61.24513 * 14 13 12 16 16 H 1.08996 * 109.49965 * 58.57878 * 15 14 13 17 17 N 1.46504 * 109.52662 * 178.66397 * 15 14 13 18 18 C 1.36937 * 119.99609 * 59.85284 * 17 15 14 19 19 H 1.08004 * 120.00017 * 319.31175 * 18 17 15 20 20 C 1.38813 * 119.99980 * 139.32058 * 18 17 15 21 21 N 1.31619 * 119.99504 * 340.93373 * 20 18 17 22 22 Si 1.86796 * 120.00135 * 160.93802 * 20 18 17 23 23 H 1.48498 * 109.47242 * 89.99851 * 22 20 18 24 24 H 1.48502 * 109.46796 * 209.99755 * 22 20 18 25 25 H 1.48493 * 109.47030 * 329.99523 * 22 20 18 26 26 C 1.46496 * 119.99906 * 239.85027 * 17 15 14 27 27 C 1.52999 * 109.47075 * 84.41629 * 26 17 15 28 28 O 1.42901 * 109.47211 * 64.99691 * 27 26 17 29 29 C 1.46929 * 120.63249 * 184.30655 * 11 9 2 30 30 H 1.08992 * 109.47133 * 55.52911 * 1 2 3 31 31 H 1.09007 * 109.46937 * 175.52188 * 1 2 3 32 32 H 1.08996 * 109.47302 * 295.52273 * 1 2 3 33 33 H 1.09005 * 109.47118 * 300.00303 * 5 4 2 34 34 H 1.09004 * 109.47224 * 59.99591 * 5 4 2 35 35 H 1.08998 * 115.54942 * 29.32597 * 6 5 4 36 36 H 1.08999 * 117.49398 * 359.97438 * 7 6 5 37 37 H 1.08999 * 117.49677 * 145.01861 * 7 6 5 38 38 H 1.08997 * 117.49901 * 214.97656 * 8 6 5 39 39 H 1.09002 * 117.50325 * 0.02562 * 8 6 5 40 40 H 1.09002 * 109.58438 * 353.41866 * 12 11 9 41 41 H 1.09000 * 109.58848 * 113.84302 * 12 11 9 42 42 H 1.09000 * 109.56043 * 185.55341 * 13 12 11 43 43 H 1.08994 * 109.38499 * 65.51580 * 13 12 11 44 44 H 1.09000 * 109.46110 * 301.21783 * 14 13 12 45 45 H 1.09007 * 109.45760 * 181.26404 * 14 13 12 46 46 H 0.97006 * 119.99771 * 179.97438 * 21 20 18 47 47 H 1.09001 * 109.47107 * 204.41416 * 26 17 15 48 48 H 1.08996 * 109.47282 * 324.41614 * 26 17 15 49 49 H 1.09001 * 109.47303 * 184.99710 * 27 26 17 50 50 H 1.09006 * 109.47255 * 305.00357 * 27 26 17 51 51 H 0.96703 * 114.00043 * 180.02562 * 28 27 26 52 52 H 1.08995 * 109.58206 * 246.15605 * 29 11 9 53 53 H 1.08997 * 109.58504 * 6.43563 * 29 11 9 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 6 1.5300 0.0000 0.0000 3 1 1.8933 1.0276 0.0000 4 8 2.0064 -0.6737 -1.1668 5 6 2.2001 0.1828 -2.2941 6 6 2.7079 -0.6409 -3.4792 7 6 4.1048 -0.3208 -4.0151 8 6 2.8666 0.0760 -4.8215 9 6 2.0323 -0.7105 1.2305 10 8 2.5967 -1.7789 1.1259 11 7 1.8544 -0.1585 2.4471 12 6 1.0962 1.0909 2.5987 13 6 1.9497 2.1012 3.3633 14 6 2.4099 1.4805 4.6843 15 6 3.2635 0.2429 4.3985 16 1 4.1215 0.5256 3.7886 17 7 3.7302 -0.3326 5.6623 18 6 2.8242 -0.7617 6.5951 19 1 1.9331 -0.1829 6.7887 20 6 3.0511 -1.9406 7.2920 21 7 3.9023 -2.8285 6.8236 22 14 2.1483 -2.2669 8.8945 23 1 0.8730 -2.9723 8.6094 24 1 2.9943 -3.1107 9.7762 25 1 1.8600 -0.9772 9.5716 26 6 5.1662 -0.4489 5.9281 27 6 5.6893 0.8737 6.4918 28 8 5.0880 1.1201 7.7646 29 6 2.4202 -0.7915 3.6463 30 1 -0.3633 0.5816 -0.8472 31 1 -0.3633 -1.0246 -0.0802 32 1 -0.3634 0.4428 0.9273 33 1 1.2538 0.6546 -2.5588 34 1 2.9320 0.9513 -2.0450 35 1 2.3871 -1.6824 -3.4997 36 1 4.6618 0.4769 -3.5236 37 1 4.7033 -1.1519 -4.3881 38 1 2.6506 -0.4940 -5.7250 39 1 2.6096 1.1346 -4.8602 40 1 0.8517 1.4916 1.6150 41 1 0.1790 0.8966 3.1547 42 1 1.3613 2.9958 3.5671 43 1 2.8200 2.3669 2.7635 44 1 1.5390 1.1929 5.2733 45 1 3.0004 2.2082 5.2412 46 1 4.0612 -3.6522 7.3108 47 1 5.3384 -1.2457 6.6517 48 1 5.6897 -0.6810 5.0007 49 1 6.7718 0.8171 6.6063 50 1 5.4381 1.6848 5.8083 51 1 5.3740 1.9443 8.1817 52 1 1.6132 -1.1424 4.2894 53 1 3.0469 -1.6339 3.3537 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 ZINC001479650381.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 06:11:58 Heat of formation + Delta-G solvation = -76.262661 kcal Electronic energy + Delta-G solvation = -31490.642313 eV Core-core repulsion = 27364.373057 eV Total energy + Delta-G solvation = -4126.269256 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.90 seconds Orbital eigenvalues (eV) -40.15715 -38.53793 -37.45601 -36.54019 -36.11990 -34.64407 -32.54058 -31.42807 -31.14040 -29.47508 -27.33890 -27.17205 -25.53687 -24.16020 -23.13409 -22.65010 -22.37723 -21.03075 -20.62368 -19.79479 -18.75722 -17.45318 -16.75378 -16.54601 -16.21262 -16.07190 -15.72376 -14.97010 -14.81716 -14.55098 -14.50654 -14.23606 -13.94306 -13.71530 -13.55039 -13.36198 -13.08033 -12.86771 -12.58430 -12.53600 -12.38595 -12.20883 -11.92632 -11.81113 -11.64383 -11.29839 -11.20619 -11.15425 -10.84488 -10.73687 -10.69764 -10.63302 -10.50700 -10.42398 -10.09748 -10.00577 -9.84702 -9.78678 -9.56011 -9.18590 -9.07311 -8.36495 -8.17355 -6.45923 -5.70148 -3.28716 2.88538 2.93918 3.43718 3.47908 3.51177 3.56222 3.80460 4.48864 4.56664 4.59011 4.62438 4.74814 4.79207 4.93413 5.00245 5.06061 5.17965 5.20020 5.22385 5.32456 5.33378 5.38699 5.41400 5.47541 5.51636 5.56748 5.62367 5.70419 5.82369 5.84330 5.94309 5.95862 6.00422 6.05389 6.13079 6.18012 6.32671 6.33439 6.55447 6.64137 6.71277 6.80757 6.86849 7.02793 7.10522 7.19080 7.64923 7.80995 7.92384 8.46594 8.54986 8.66383 9.26303 9.88651 10.46916 11.32584 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015714 B = 0.002690 C = 0.002638 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1781.453949 B =10408.222301 C =10611.652637 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.177 4.177 2 C 0.073 3.927 3 H 0.081 0.919 4 O -0.353 6.353 5 C 0.091 3.909 6 C -0.151 4.151 7 C -0.176 4.176 8 C -0.175 4.175 9 C 0.510 3.490 10 O -0.521 6.521 11 N -0.605 5.605 12 C 0.102 3.898 13 C -0.133 4.133 14 C -0.125 4.125 15 C 0.167 3.833 16 H 0.046 0.954 17 N -0.567 5.567 18 C -0.244 4.244 19 H 0.056 0.944 20 C 0.019 3.981 21 N -0.889 5.889 22 Si 0.897 3.103 23 H -0.289 1.289 24 H -0.291 1.291 25 H -0.278 1.278 26 C 0.150 3.850 27 C 0.059 3.941 28 O -0.544 6.544 29 C 0.110 3.890 30 H 0.065 0.935 31 H 0.072 0.928 32 H 0.079 0.921 33 H 0.053 0.947 34 H 0.050 0.950 35 H 0.115 0.885 36 H 0.095 0.905 37 H 0.096 0.904 38 H 0.097 0.903 39 H 0.094 0.906 40 H 0.077 0.923 41 H 0.070 0.930 42 H 0.068 0.932 43 H 0.059 0.941 44 H 0.067 0.933 45 H 0.057 0.943 46 H 0.253 0.747 47 H 0.097 0.903 48 H 0.037 0.963 49 H 0.020 0.980 50 H 0.022 0.978 51 H 0.349 0.651 52 H 0.076 0.924 53 H 0.087 0.913 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -3.604 12.751 -16.660 21.287 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 -0.235 4.235 2 C 0.011 3.989 3 H 0.099 0.901 4 O -0.271 6.271 5 C 0.014 3.986 6 C -0.169 4.169 7 C -0.213 4.213 8 C -0.212 4.212 9 C 0.296 3.704 10 O -0.396 6.396 11 N -0.341 5.341 12 C -0.021 4.021 13 C -0.172 4.172 14 C -0.165 4.165 15 C 0.059 3.941 16 H 0.065 0.935 17 N -0.286 5.286 18 C -0.373 4.373 19 H 0.073 0.927 20 C -0.181 4.181 21 N -0.531 5.531 22 Si 0.727 3.273 23 H -0.216 1.216 24 H -0.217 1.217 25 H -0.203 1.203 26 C 0.023 3.977 27 C -0.021 4.021 28 O -0.345 6.345 29 C -0.013 4.013 30 H 0.084 0.916 31 H 0.091 0.909 32 H 0.098 0.902 33 H 0.071 0.929 34 H 0.068 0.932 35 H 0.133 0.867 36 H 0.114 0.886 37 H 0.115 0.885 38 H 0.116 0.884 39 H 0.113 0.887 40 H 0.096 0.904 41 H 0.088 0.912 42 H 0.086 0.914 43 H 0.078 0.922 44 H 0.085 0.915 45 H 0.076 0.924 46 H 0.063 0.937 47 H 0.115 0.885 48 H 0.055 0.945 49 H 0.038 0.962 50 H 0.040 0.960 51 H 0.192 0.808 52 H 0.095 0.905 53 H 0.105 0.895 Dipole moment (debyes) X Y Z Total from point charges -3.481 11.174 -16.787 20.464 hybrid contribution -0.149 0.736 0.997 1.248 sum -3.630 11.910 -15.790 20.108 Atomic orbital electron populations 1.22400 0.93813 1.04086 1.03175 1.21895 0.94996 0.96038 0.85927 0.90095 1.88062 1.86479 1.33822 1.18711 1.22093 0.99033 0.92005 0.85467 1.22107 1.00511 1.01143 0.93175 1.23072 0.90875 1.03631 1.03758 1.22975 1.02715 1.00999 0.94532 1.20222 0.80147 0.86060 0.83997 1.90724 1.41844 1.21203 1.85784 1.48288 1.53775 1.24965 1.07054 1.21807 0.95020 0.84781 1.00469 1.21877 0.99577 0.97614 0.98143 1.21966 1.01145 0.98358 0.95024 1.20641 0.94072 0.91359 0.88070 0.93541 1.43611 1.01142 1.71072 1.12757 1.18706 1.03416 1.01415 1.13804 0.92690 1.25194 0.98534 0.94840 0.99532 1.69999 1.37863 1.07684 1.37597 0.86411 0.78893 0.77665 0.84343 1.21636 1.21748 1.20341 1.20936 0.84068 0.94284 0.98386 1.23092 0.93707 1.00559 0.84727 1.86850 1.70416 1.43231 1.34013 1.22345 0.98653 0.97162 0.83122 0.91558 0.90901 0.90242 0.92858 0.93167 0.86662 0.88644 0.88520 0.88434 0.88749 0.90444 0.91162 0.91374 0.92247 0.91473 0.92402 0.93676 0.88483 0.94450 0.96209 0.95967 0.80810 0.90541 0.89468 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -0.18 -1.81 9.07 37.16 0.34 -1.48 16 2 C 0.07 0.95 2.29 -27.88 -0.06 0.88 16 3 H 0.08 0.85 7.07 -51.93 -0.37 0.48 16 4 O -0.35 -5.10 9.54 -54.99 -0.52 -5.63 16 5 C 0.09 0.94 6.03 37.16 0.22 1.16 16 6 C -0.15 -1.49 6.06 -90.62 -0.55 -2.04 16 7 C -0.18 -1.53 10.18 -26.73 -0.27 -1.80 16 8 C -0.18 -1.29 10.25 -26.73 -0.27 -1.56 16 9 C 0.51 9.02 7.09 -10.98 -0.08 8.94 16 10 O -0.52 -11.85 15.95 -14.21 -0.23 -12.08 16 11 N -0.61 -10.10 2.98 -173.02 -0.52 -10.62 16 12 C 0.10 1.26 5.05 -3.93 -0.02 1.24 16 13 C -0.13 -1.67 6.07 -26.83 -0.16 -1.84 16 14 C -0.13 -2.12 5.10 -26.69 -0.14 -2.26 16 15 C 0.17 3.38 2.78 -67.81 -0.19 3.19 16 16 H 0.05 0.94 7.87 -51.93 -0.41 0.53 16 17 N -0.57 -13.53 2.30 -165.53 -0.38 -13.91 16 18 C -0.24 -6.44 7.86 -15.06 -0.12 -6.56 16 19 H 0.06 1.47 6.92 -52.48 -0.36 1.11 16 20 C 0.02 0.54 4.93 -17.43 -0.09 0.45 16 21 N -0.89 -25.82 11.64 55.49 0.65 -25.18 16 22 Si 0.90 22.17 29.59 -169.99 -5.03 17.14 16 23 H -0.29 -7.11 7.11 56.52 0.40 -6.71 16 24 H -0.29 -7.30 7.11 56.52 0.40 -6.89 16 25 H -0.28 -6.84 7.11 56.52 0.40 -6.44 16 26 C 0.15 3.50 5.55 -4.04 -0.02 3.47 16 27 C 0.06 1.16 7.39 37.16 0.27 1.43 16 28 O -0.54 -11.17 13.40 -35.23 -0.47 -11.64 16 29 C 0.11 2.29 5.76 -3.71 -0.02 2.27 16 30 H 0.07 0.52 7.98 -51.93 -0.41 0.11 16 31 H 0.07 0.85 8.14 -51.93 -0.42 0.43 16 32 H 0.08 0.72 5.55 -51.93 -0.29 0.43 16 33 H 0.05 0.45 7.98 -51.93 -0.41 0.03 16 34 H 0.05 0.48 7.82 -51.93 -0.41 0.07 16 35 H 0.12 1.24 8.14 -51.93 -0.42 0.82 16 36 H 0.10 0.79 8.03 -51.93 -0.42 0.38 16 37 H 0.10 0.79 8.14 -51.93 -0.42 0.37 16 38 H 0.10 0.62 8.14 -51.93 -0.42 0.20 16 39 H 0.09 0.59 8.14 -51.93 -0.42 0.17 16 40 H 0.08 0.72 4.62 -51.93 -0.24 0.48 16 41 H 0.07 0.83 8.14 -51.93 -0.42 0.41 16 42 H 0.07 0.70 8.14 -51.93 -0.42 0.28 16 43 H 0.06 0.73 8.14 -51.93 -0.42 0.31 16 44 H 0.07 1.24 7.08 -51.93 -0.37 0.87 16 45 H 0.06 1.01 8.14 -51.93 -0.42 0.59 16 46 H 0.25 7.19 8.31 -40.82 -0.34 6.85 16 47 H 0.10 2.62 5.76 -51.93 -0.30 2.32 16 48 H 0.04 0.84 8.04 -51.93 -0.42 0.42 16 49 H 0.02 0.34 8.14 -51.93 -0.42 -0.08 16 50 H 0.02 0.40 8.14 -51.93 -0.42 -0.02 16 51 H 0.35 5.17 9.12 45.56 0.42 5.59 16 52 H 0.08 1.74 7.50 -51.93 -0.39 1.35 16 53 H 0.09 2.14 7.03 -51.93 -0.37 1.78 16 LS Contribution 414.41 15.07 6.25 6.25 Total: -1.00 -34.00 414.41 -9.94 -43.94 By element: Atomic # 1 Polarization: 14.75 SS G_CDS: -8.53 Total: 6.22 kcal Atomic # 6 Polarization: 6.66 SS G_CDS: -1.16 Total: 5.50 kcal Atomic # 7 Polarization: -49.45 SS G_CDS: -0.25 Total: -49.70 kcal Atomic # 8 Polarization: -28.12 SS G_CDS: -1.22 Total: -29.35 kcal Atomic # 14 Polarization: 22.17 SS G_CDS: -5.03 Total: 17.14 kcal Total LS contribution 6.25 Total: 6.25 kcal Total: -34.00 -9.94 -43.94 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. ZINC001479650381.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 -32.321 kcal (2) G-P(sol) polarization free energy of solvation -33.999 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -66.320 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.943 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.942 kcal (6) G-S(sol) free energy of system = (1) + (5) -76.263 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.90 seconds