Wall clock time and date at job start Sat Apr 11 2020 06:13:09 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 1.53004 * 1 3 3 O 1.42900 * 109.47515 * 2 1 4 4 C 1.42896 * 113.99976 * 184.97566 * 3 2 1 5 5 H 1.08998 * 109.47346 * 25.20314 * 4 3 2 6 6 C 1.50701 * 109.47363 * 265.20097 * 4 3 2 7 7 O 1.21286 * 119.99458 * 0.02562 * 6 4 3 8 8 N 1.34769 * 120.00282 * 180.02562 * 6 4 3 9 9 C 1.46499 * 120.00443 * 180.27687 * 8 6 4 10 10 C 1.52993 * 109.47398 * 179.72041 * 9 8 6 11 11 C 1.53003 * 109.46894 * 174.96366 * 10 9 8 12 12 C 1.53002 * 115.54731 * 65.15293 * 11 10 9 13 13 N 1.46502 * 109.47317 * 65.04411 * 12 11 10 14 14 C 1.36938 * 119.99734 * 185.01756 * 13 12 11 15 15 H 1.07999 * 120.00100 * 0.02562 * 14 13 12 16 16 C 1.38812 * 119.99674 * 180.02562 * 14 13 12 17 17 N 1.31620 * 120.00079 * 359.97438 * 16 14 13 18 18 Si 1.86796 * 119.99779 * 180.02562 * 16 14 13 19 19 H 1.48493 * 109.47263 * 90.00221 * 18 16 14 20 20 H 1.48508 * 109.47088 * 209.99892 * 18 16 14 21 21 H 1.48501 * 109.47241 * 329.99515 * 18 16 14 22 22 C 1.52999 * 117.50210 * 279.47990 * 11 10 9 23 23 C 1.53004 * 117.49959 * 210.81598 * 11 10 9 24 24 C 1.53001 * 109.47071 * 145.20151 * 4 3 2 25 25 H 1.08994 * 110.80456 * 69.42026 * 24 4 3 26 26 C 1.54815 * 110.90634 * 305.79168 * 24 4 3 27 27 C 1.54101 * 104.18816 * 220.91713 * 26 24 4 28 28 O 1.43743 * 107.29355 * 357.97651 * 27 26 24 29 29 C 1.44387 * 106.97846 * 26.50723 * 28 27 26 30 30 H 1.09004 * 109.46843 * 59.99774 * 1 2 3 31 31 H 1.08998 * 109.47314 * 180.02562 * 1 2 3 32 32 H 1.09008 * 109.46631 * 300.00505 * 1 2 3 33 33 H 1.08997 * 109.46976 * 239.99164 * 2 1 3 34 34 H 1.09004 * 109.46843 * 120.00226 * 2 1 3 35 35 H 0.97005 * 119.99710 * 359.97438 * 8 6 4 36 36 H 1.09007 * 109.47083 * 299.72653 * 9 8 6 37 37 H 1.09004 * 109.46978 * 59.72054 * 9 8 6 38 38 H 1.08993 * 109.47407 * 294.96617 * 10 9 8 39 39 H 1.09006 * 109.46857 * 54.97118 * 10 9 8 40 40 H 1.09006 * 109.47199 * 185.04655 * 12 11 10 41 41 H 1.09003 * 109.47194 * 305.04094 * 12 11 10 42 42 H 0.96995 * 119.99604 * 5.01743 * 13 12 11 43 43 H 0.97000 * 120.00079 * 180.02562 * 17 16 14 44 44 H 1.08997 * 117.49516 * 359.97438 * 22 11 10 45 45 H 1.09001 * 117.49864 * 145.02194 * 22 11 10 46 46 H 1.08998 * 117.49824 * 214.98293 * 23 11 10 47 47 H 1.09000 * 117.49917 * 359.97438 * 23 11 10 48 48 H 1.09000 * 110.48921 * 339.59843 * 26 24 4 49 49 H 1.09003 * 110.48226 * 102.24396 * 26 24 4 50 50 H 1.09002 * 109.87579 * 117.39270 * 27 26 24 51 51 H 1.08996 * 109.88161 * 238.54673 * 27 26 24 52 52 H 1.08996 * 110.61648 * 201.44306 * 29 28 27 53 53 H 1.09001 * 110.61554 * 78.43913 * 29 28 27 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 8 2.0065 1.3472 0.0000 4 6 3.4263 1.4616 -0.1132 5 1 3.8236 0.5769 -0.6108 6 6 4.0321 1.5793 1.2617 7 8 3.3181 1.5660 2.2420 8 7 5.3671 1.6993 1.4019 9 6 5.9565 1.8076 2.7386 10 6 7.4771 1.9251 2.6176 11 6 8.0820 2.1640 4.0025 12 6 7.9212 1.0150 5.0000 13 7 8.6700 -0.1516 4.5260 14 6 8.5908 -1.3381 5.2051 15 1 7.9761 -1.4139 6.0899 16 6 9.3007 -2.4433 4.7564 17 7 10.0495 -2.3510 3.6779 18 14 9.1922 -4.0620 5.6823 19 1 8.0726 -4.8704 5.1365 20 1 10.4656 -4.8094 5.5237 21 1 8.9523 -3.7931 7.1229 22 6 8.0408 3.5901 4.5551 23 6 9.3668 2.9913 4.0792 24 6 3.7740 2.7065 -0.9320 25 1 3.5352 3.6138 -0.3773 26 6 3.0492 2.6883 -2.2998 27 6 4.1085 3.1994 -3.2955 28 8 5.2880 3.5183 -2.5382 29 6 5.2652 2.6919 -1.3545 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3634 -1.0276 0.0005 32 1 -0.3633 0.5140 0.8900 33 1 1.8933 -0.5139 -0.8899 34 1 1.8933 -0.5139 0.8900 35 1 5.9381 1.7095 0.6177 36 1 5.5624 2.6923 3.2389 37 1 5.7058 0.9199 3.3193 38 1 7.8806 1.0031 2.1990 39 1 7.7261 2.7607 1.9634 40 1 8.3047 1.3221 5.9730 41 1 6.8659 0.7573 5.0903 42 1 9.2217 -0.0835 3.7312 43 1 10.5453 -3.1234 3.3640 44 1 7.5831 4.3582 3.9317 45 1 7.8994 3.7098 5.6292 46 1 10.0971 2.7173 4.8405 47 1 9.7813 3.3651 3.1429 48 1 2.7429 1.6740 -2.5559 49 1 2.1874 3.3555 -2.2837 50 1 4.3358 2.4229 -4.0259 51 1 3.7409 4.0916 -3.8023 52 1 5.8899 3.1240 -0.5727 53 1 5.5880 1.6774 -1.5884 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 ZINC001166408796.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 06:13:09 Heat of formation + Delta-G solvation = -99.594866 kcal Electronic energy + Delta-G solvation = -30760.575801 eV Core-core repulsion = 26633.294785 eV Total energy + Delta-G solvation = -4127.281016 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.97 seconds Orbital eigenvalues (eV) -40.71663 -39.20526 -38.38019 -37.62685 -34.90388 -33.92261 -33.57374 -31.22309 -30.84279 -30.54957 -29.39700 -26.73169 -25.83882 -23.83706 -23.00082 -22.78005 -22.67824 -21.82121 -21.20651 -20.67229 -18.69057 -17.85845 -17.24470 -17.05036 -16.74879 -16.29166 -15.71861 -15.50048 -15.37545 -15.27109 -14.92483 -14.48797 -14.29852 -14.12133 -13.96671 -13.64031 -13.33247 -13.10441 -12.84277 -12.71473 -12.64014 -12.22986 -12.14208 -12.00107 -11.85591 -11.78576 -11.62145 -11.46489 -11.35092 -11.19713 -11.01466 -10.96667 -10.83580 -10.66250 -10.47727 -10.13745 -10.09519 -9.90849 -9.68185 -9.40004 -9.28469 -9.02763 -8.84034 -6.89807 -5.76124 -3.03726 2.48919 2.86940 3.31334 3.43608 3.49112 3.50443 3.56434 4.06164 4.15026 4.31472 4.43340 4.59251 4.61621 4.63084 4.71266 4.82400 4.84783 4.91716 4.99014 5.07278 5.08727 5.16536 5.16915 5.25586 5.32272 5.35884 5.38024 5.45243 5.52943 5.59053 5.60336 5.70022 5.70698 5.72095 5.77609 5.88161 5.90365 6.16908 6.18554 6.22051 6.41405 6.42038 6.45152 6.46806 6.52591 6.76266 6.77437 6.84155 7.43666 7.71148 8.16626 8.43118 9.54842 10.13094 10.48989 11.46727 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.009608 B = 0.002801 C = 0.002495 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2913.574420 B = 9994.197264 C =11219.375855 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.148 4.148 2 C 0.053 3.947 3 O -0.352 6.352 4 C 0.086 3.914 5 H 0.090 0.910 6 C 0.488 3.512 7 O -0.520 6.520 8 N -0.727 5.727 9 C 0.122 3.878 10 C -0.088 4.088 11 C -0.119 4.119 12 C 0.187 3.813 13 N -0.727 5.727 14 C -0.237 4.237 15 H 0.069 0.931 16 C -0.014 4.014 17 N -0.934 5.934 18 Si 0.905 3.095 19 H -0.291 1.291 20 H -0.292 1.292 21 H -0.282 1.282 22 C -0.177 4.177 23 C -0.164 4.164 24 C -0.117 4.117 25 H 0.100 0.900 26 C -0.140 4.140 27 C 0.043 3.957 28 O -0.370 6.370 29 C 0.045 3.955 30 H 0.061 0.939 31 H 0.071 0.929 32 H 0.065 0.935 33 H 0.049 0.951 34 H 0.055 0.945 35 H 0.396 0.604 36 H 0.066 0.934 37 H 0.077 0.923 38 H 0.084 0.916 39 H 0.061 0.939 40 H 0.017 0.983 41 H 0.027 0.973 42 H 0.384 0.616 43 H 0.254 0.746 44 H 0.089 0.911 45 H 0.092 0.908 46 H 0.096 0.904 47 H 0.089 0.911 48 H 0.078 0.922 49 H 0.084 0.916 50 H 0.061 0.939 51 H 0.086 0.914 52 H 0.101 0.899 53 H 0.069 0.931 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.930 11.980 -14.523 23.419 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 -0.205 4.205 2 C -0.023 4.023 3 O -0.269 6.269 4 C 0.023 3.977 5 H 0.108 0.892 6 C 0.273 3.727 7 O -0.395 6.395 8 N -0.383 5.383 9 C 0.000 4.000 10 C -0.126 4.126 11 C -0.120 4.120 12 C 0.059 3.941 13 N -0.371 5.371 14 C -0.368 4.368 15 H 0.087 0.913 16 C -0.210 4.210 17 N -0.582 5.582 18 Si 0.736 3.264 19 H -0.218 1.218 20 H -0.218 1.218 21 H -0.208 1.208 22 C -0.215 4.215 23 C -0.201 4.201 24 C -0.137 4.137 25 H 0.118 0.882 26 C -0.177 4.177 27 C -0.034 4.034 28 O -0.288 6.288 29 C -0.032 4.032 30 H 0.080 0.920 31 H 0.090 0.910 32 H 0.085 0.915 33 H 0.067 0.933 34 H 0.074 0.926 35 H 0.232 0.768 36 H 0.085 0.915 37 H 0.095 0.905 38 H 0.102 0.898 39 H 0.079 0.921 40 H 0.034 0.966 41 H 0.045 0.955 42 H 0.218 0.782 43 H 0.064 0.936 44 H 0.107 0.893 45 H 0.110 0.890 46 H 0.114 0.886 47 H 0.107 0.893 48 H 0.097 0.903 49 H 0.103 0.897 50 H 0.079 0.921 51 H 0.104 0.896 52 H 0.119 0.881 53 H 0.087 0.913 Dipole moment (debyes) X Y Z Total from point charges -14.485 12.145 -13.717 23.355 hybrid contribution 0.487 -1.403 -0.016 1.485 sum -13.999 10.743 -13.733 22.360 Atomic orbital electron populations 1.21711 0.93330 1.02352 1.03144 1.22652 0.95998 0.83249 1.00426 1.87973 1.17848 1.26977 1.94147 1.21903 0.83969 0.99156 0.92623 0.89230 1.21166 0.82563 0.77090 0.91896 1.90730 1.60532 1.48197 1.40055 1.46278 1.06956 1.74818 1.10201 1.21409 0.92897 1.02767 0.82963 1.21219 0.93229 1.02697 0.95478 1.21557 1.01286 0.92648 0.96546 1.20198 0.95391 0.85667 0.92811 1.42279 1.55356 1.06577 1.32885 1.19238 1.22795 0.87988 1.06773 0.91287 1.24703 1.00050 0.98072 0.98135 1.69658 1.33939 1.29906 1.24744 0.86214 0.76864 0.84101 0.79180 1.21801 1.21807 1.20794 1.23001 1.01661 0.95732 1.01109 1.22949 0.91029 1.03344 1.02827 1.22807 0.96075 0.98288 0.96490 0.88184 1.22864 0.99027 1.02998 0.92854 1.23248 0.84985 1.00792 0.94346 1.88927 1.42971 1.62350 1.34581 1.23753 0.94989 0.96185 0.88301 0.91999 0.90977 0.91542 0.93293 0.92648 0.76839 0.91547 0.90464 0.89767 0.92055 0.96556 0.95518 0.78178 0.93615 0.89277 0.88961 0.88572 0.89293 0.90296 0.89747 0.92095 0.89609 0.88092 0.91310 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -0.15 -1.22 10.28 37.16 0.38 -0.84 16 2 C 0.05 0.53 6.52 37.16 0.24 0.77 16 3 O -0.35 -4.10 9.05 -55.14 -0.50 -4.60 16 4 C 0.09 0.89 2.11 -27.88 -0.06 0.83 16 5 H 0.09 0.76 7.48 -51.93 -0.39 0.37 16 6 C 0.49 6.72 7.23 -10.99 -0.08 6.64 16 7 O -0.52 -9.46 16.50 -14.36 -0.24 -9.69 16 8 N -0.73 -8.93 5.19 -60.30 -0.31 -9.24 16 9 C 0.12 1.77 5.40 -4.05 -0.02 1.75 16 10 C -0.09 -1.25 5.13 -26.73 -0.14 -1.39 16 11 C -0.12 -1.88 1.53 -154.50 -0.24 -2.12 16 12 C 0.19 3.76 5.93 -4.04 -0.02 3.74 16 13 N -0.73 -18.07 5.45 -59.90 -0.33 -18.40 16 14 C -0.24 -6.61 9.99 -15.06 -0.15 -6.76 16 15 H 0.07 1.89 7.83 -52.49 -0.41 1.48 16 16 C -0.01 -0.40 5.50 -17.43 -0.10 -0.49 16 17 N -0.93 -27.88 13.06 55.49 0.72 -27.15 16 18 Si 0.91 22.49 29.55 -169.99 -5.02 17.47 16 19 H -0.29 -7.20 7.11 56.52 0.40 -6.80 16 20 H -0.29 -7.28 7.11 56.52 0.40 -6.88 16 21 H -0.28 -6.86 7.11 56.52 0.40 -6.46 16 22 C -0.18 -2.35 9.94 -26.69 -0.27 -2.61 16 23 C -0.16 -2.39 9.94 -26.69 -0.27 -2.65 16 24 C -0.12 -1.01 2.85 -88.61 -0.25 -1.27 16 25 H 0.10 0.97 8.14 -51.93 -0.42 0.55 16 26 C -0.14 -0.98 6.17 -25.20 -0.16 -1.14 16 27 C 0.04 0.31 7.70 37.73 0.29 0.60 16 28 O -0.37 -3.59 11.52 -35.23 -0.41 -3.99 16 29 C 0.04 0.36 5.48 38.21 0.21 0.57 16 30 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 31 H 0.07 0.47 8.14 -51.93 -0.42 0.05 16 32 H 0.07 0.62 8.14 -51.92 -0.42 0.19 16 33 H 0.05 0.38 7.98 -51.93 -0.41 -0.03 16 34 H 0.06 0.64 8.14 -51.93 -0.42 0.21 16 35 H 0.40 3.82 5.56 -40.82 -0.23 3.60 16 36 H 0.07 0.96 8.14 -51.93 -0.42 0.54 16 37 H 0.08 1.36 7.23 -51.93 -0.38 0.98 16 38 H 0.08 1.37 7.73 -51.93 -0.40 0.97 16 39 H 0.06 0.72 8.09 -51.93 -0.42 0.30 16 40 H 0.02 0.34 8.09 -51.93 -0.42 -0.08 16 41 H 0.03 0.56 7.10 -51.93 -0.37 0.19 16 42 H 0.38 9.99 7.33 -40.82 -0.30 9.69 16 43 H 0.25 7.36 8.31 -40.82 -0.34 7.02 16 44 H 0.09 1.03 8.14 -51.93 -0.42 0.61 16 45 H 0.09 1.20 8.14 -51.93 -0.42 0.77 16 46 H 0.10 1.51 8.14 -51.93 -0.42 1.09 16 47 H 0.09 1.16 8.14 -51.93 -0.42 0.74 16 48 H 0.08 0.51 7.85 -51.93 -0.41 0.10 16 49 H 0.08 0.57 8.14 -51.93 -0.42 0.15 16 50 H 0.06 0.37 8.14 -51.93 -0.42 -0.05 16 51 H 0.09 0.52 8.14 -51.93 -0.42 0.09 16 52 H 0.10 0.78 6.87 -51.93 -0.36 0.42 16 53 H 0.07 0.47 7.87 -51.93 -0.41 0.06 16 LS Contribution 424.53 15.07 6.40 6.40 Total: -1.00 -33.86 424.53 -9.83 -43.69 By element: Atomic # 1 Polarization: 19.44 SS G_CDS: -9.53 Total: 9.91 kcal Atomic # 6 Polarization: -3.76 SS G_CDS: -0.62 Total: -4.38 kcal Atomic # 7 Polarization: -54.88 SS G_CDS: 0.09 Total: -54.80 kcal Atomic # 8 Polarization: -17.15 SS G_CDS: -1.14 Total: -18.29 kcal Atomic # 14 Polarization: 22.49 SS G_CDS: -5.02 Total: 17.47 kcal Total LS contribution 6.40 Total: 6.40 kcal Total: -33.86 -9.83 -43.69 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. ZINC001166408796.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 -55.901 kcal (2) G-P(sol) polarization free energy of solvation -33.863 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -89.764 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.831 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.694 kcal (6) G-S(sol) free energy of system = (1) + (5) -99.595 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.97 seconds