Wall clock time and date at job start Sat Apr 11 2020 06:12:03 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 1.52997 * 1 3 3 H 1.08999 * 109.47827 * 2 1 4 4 C 1.53001 * 109.47556 * 239.99847 * 2 1 3 5 5 C 1.52989 * 109.47636 * 180.02562 * 4 2 1 6 6 C 1.53000 * 109.46976 * 60.00110 * 5 4 2 7 7 C 1.53001 * 109.47345 * 299.99931 * 6 5 4 8 8 C 1.53006 * 109.47100 * 300.00131 * 7 6 5 9 9 N 1.46494 * 109.46885 * 185.31984 * 8 7 6 10 10 C 1.34774 * 119.99635 * 178.70614 * 9 8 7 11 11 O 1.21583 * 120.00344 * 0.02562 * 10 9 8 12 12 N 1.34781 * 120.00125 * 180.02562 * 10 9 8 13 13 C 1.46504 * 120.00348 * 180.02562 * 12 10 9 14 14 C 1.50699 * 109.46993 * 180.02562 * 13 12 10 15 15 O 1.21293 * 120.00140 * 0.02562 * 14 13 12 16 16 N 1.34777 * 119.99842 * 179.97438 * 14 13 12 17 17 C 1.37094 * 120.00088 * 179.97438 * 16 14 13 18 18 H 1.08001 * 120.00004 * 0.02562 * 17 16 14 19 19 C 1.38952 * 120.00008 * 179.97438 * 17 16 14 20 20 N 1.31413 * 119.99913 * 359.73058 * 19 17 16 21 21 Si 1.86800 * 119.99857 * 180.02562 * 19 17 16 22 22 H 1.48501 * 109.47070 * 90.00251 * 21 19 17 23 23 H 1.48501 * 109.47007 * 210.00055 * 21 19 17 24 24 H 1.48502 * 109.47182 * 330.00067 * 21 19 17 25 25 N 1.46904 * 109.47257 * 180.02562 * 7 6 5 26 26 C 1.46901 * 110.99594 * 295.68786 * 25 7 6 27 27 C 1.46892 * 111.00155 * 59.64307 * 25 7 6 28 28 C 1.53000 * 109.46833 * 120.00093 * 2 1 3 29 29 H 1.08999 * 109.47117 * 300.00483 * 1 2 3 30 30 H 1.09002 * 109.46721 * 59.99505 * 1 2 3 31 31 H 1.08996 * 109.47102 * 179.97438 * 1 2 3 32 32 H 1.09005 * 109.46926 * 300.00478 * 4 2 1 33 33 H 1.09001 * 109.46558 * 60.00004 * 4 2 1 34 34 H 1.08999 * 109.47630 * 179.97438 * 5 4 2 35 35 H 1.08999 * 109.47604 * 300.00066 * 5 4 2 36 36 H 1.09007 * 109.47252 * 179.97438 * 6 5 4 37 37 H 1.08996 * 109.47277 * 60.00292 * 6 5 4 38 38 H 1.08998 * 109.46795 * 65.31727 * 8 7 6 39 39 H 1.09002 * 109.46768 * 305.32193 * 8 7 6 40 40 H 0.96998 * 120.00457 * 358.71182 * 9 8 7 41 41 H 0.97006 * 119.99715 * 0.02562 * 12 10 9 42 42 H 1.08998 * 109.46762 * 60.00225 * 13 12 10 43 43 H 1.09000 * 109.46537 * 299.99697 * 13 12 10 44 44 H 0.96999 * 119.99404 * 0.02562 * 16 14 13 45 45 H 0.97000 * 119.99888 * 179.97438 * 20 19 17 46 46 H 1.09001 * 109.47308 * 54.65185 * 26 25 7 47 47 H 1.09002 * 109.46980 * 174.65224 * 26 25 7 48 48 H 1.09000 * 109.47441 * 294.65084 * 26 25 7 49 49 H 1.09003 * 109.47419 * 59.99943 * 27 25 7 50 50 H 1.08997 * 109.46950 * 180.02562 * 27 25 7 51 51 H 1.09004 * 109.47617 * 300.00234 * 27 25 7 52 52 H 1.08996 * 109.47277 * 60.00106 * 28 2 1 53 53 H 1.09000 * 109.47535 * 299.99553 * 28 2 1 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 1.8934 1.0276 0.0000 4 6 2.0401 -0.7213 -1.2492 5 6 3.5700 -0.7218 -1.2489 6 6 4.0794 -1.4435 0.0004 7 6 3.5695 -0.7222 1.2496 8 6 4.0800 0.7201 1.2500 9 7 3.6991 1.3727 2.5050 10 6 4.0667 2.6478 2.7401 11 8 4.7141 3.2567 1.9105 12 7 3.7167 3.2481 3.8950 13 6 4.1158 4.6344 4.1504 14 6 3.6036 5.0638 5.5010 15 8 2.9682 4.2881 6.1834 16 7 3.8526 6.3096 5.9512 17 6 3.3862 6.7005 7.1797 18 1 2.8197 6.0101 7.7869 19 6 3.6433 7.9847 7.6439 20 7 4.3380 8.8227 6.9077 21 14 3.0084 8.5171 9.3181 22 1 4.0254 8.2065 10.3548 23 1 2.7446 9.9784 9.3057 24 1 1.7507 7.7896 9.6249 25 7 4.0591 -1.4147 2.4491 26 6 3.5056 -2.7727 2.5356 27 6 5.5275 -1.4418 2.4788 28 6 2.0399 -0.7213 1.2492 29 1 -0.3633 0.5139 0.8899 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3633 -1.0276 -0.0005 32 1 1.6767 -1.7490 -1.2492 33 1 1.6767 -0.2074 -2.1392 34 1 3.9334 -1.2361 -2.1386 35 1 3.9338 0.3057 -1.2487 36 1 5.1695 -1.4443 0.0004 37 1 3.7158 -2.4710 0.0001 38 1 3.6414 1.2610 0.4114 39 1 5.1659 0.7212 1.1548 40 1 3.1823 0.8870 3.1668 41 1 3.2005 2.7621 4.5571 42 1 3.6962 5.2810 3.3798 43 1 5.2032 4.7081 4.1343 44 1 4.3611 6.9298 5.4056 45 1 4.5172 9.7193 7.2317 46 1 3.7232 -3.3132 1.6144 47 1 3.9566 -3.2958 3.3789 48 1 2.4264 -2.7169 2.6778 49 1 5.9097 -0.4210 2.4841 50 1 5.8632 -1.9605 3.3767 51 1 5.8993 -1.9643 1.5973 52 1 1.6766 -1.7489 1.2492 53 1 1.6766 -0.2075 2.1393 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 ZINC000345116496.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 06:12:03 Heat of formation + Delta-G solvation = -72.998932 kcal Electronic energy + Delta-G solvation = -30992.357836 eV Core-core repulsion = 26898.522857 eV Total energy + Delta-G solvation = -4093.834979 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.82 seconds Orbital eigenvalues (eV) -40.98180 -39.40438 -38.07719 -36.51494 -34.43623 -34.13944 -33.54104 -32.60721 -31.33199 -30.40695 -28.61445 -27.49443 -26.58076 -25.49324 -24.41744 -24.02305 -22.38297 -20.80436 -20.41956 -19.51512 -18.84683 -18.19696 -17.75107 -16.62626 -16.14402 -15.62808 -15.57950 -15.15244 -15.01939 -14.93260 -14.79155 -14.49409 -14.16919 -14.05427 -13.99884 -13.71816 -13.40740 -13.34784 -13.11925 -12.85191 -12.67054 -12.44154 -12.14457 -12.10656 -11.99012 -11.89541 -11.80785 -11.59455 -11.56017 -11.22686 -11.11951 -11.08067 -10.61957 -10.46921 -10.42999 -10.40608 -10.28119 -9.91636 -9.59259 -8.97573 -8.56765 -8.54816 -8.43160 -8.05256 -6.47298 -3.89051 2.95880 3.14662 3.24610 3.30280 3.52020 3.60267 3.81152 4.13230 4.22659 4.31298 4.49055 4.62514 4.71091 4.76377 4.79991 4.95356 4.97601 4.99245 5.02586 5.14506 5.18773 5.21579 5.27359 5.30535 5.38049 5.38416 5.55092 5.57187 5.57685 5.62644 5.67295 5.70318 5.73711 5.79362 5.86649 5.89451 5.98725 6.00283 6.06851 6.08338 6.14725 6.20389 6.63447 6.74910 6.81328 6.87732 7.29781 7.49984 7.97193 8.40435 8.50426 8.94542 9.09205 9.44679 9.92895 10.69766 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.018724 B = 0.002116 C = 0.002074 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1495.009345 B =13232.409745 C =13494.694028 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.146 4.146 2 C -0.096 4.096 3 H 0.077 0.923 4 C -0.113 4.113 5 C -0.120 4.120 6 C -0.143 4.143 7 C 0.101 3.899 8 C 0.154 3.846 9 N -0.735 5.735 10 C 0.703 3.297 11 O -0.604 6.604 12 N -0.725 5.725 13 C 0.130 3.870 14 C 0.430 3.570 15 O -0.597 6.597 16 N -0.551 5.551 17 C -0.304 4.304 18 H 0.105 0.895 19 C 0.025 3.975 20 N -0.896 5.896 21 Si 0.933 3.067 22 H -0.277 1.277 23 H -0.283 1.283 24 H -0.269 1.269 25 N -0.532 5.532 26 C 0.018 3.982 27 C 0.017 3.983 28 C -0.101 4.101 29 H 0.057 0.943 30 H 0.054 0.946 31 H 0.052 0.948 32 H 0.060 0.940 33 H 0.062 0.938 34 H 0.062 0.938 35 H 0.069 0.931 36 H 0.067 0.933 37 H 0.068 0.932 38 H 0.073 0.927 39 H 0.062 0.938 40 H 0.402 0.598 41 H 0.406 0.594 42 H 0.080 0.920 43 H 0.080 0.920 44 H 0.396 0.604 45 H 0.274 0.726 46 H 0.029 0.971 47 H 0.066 0.934 48 H 0.071 0.929 49 H 0.074 0.926 50 H 0.067 0.933 51 H 0.029 0.971 52 H 0.066 0.934 53 H 0.073 0.927 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -2.208 -22.564 -15.919 27.703 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 -0.203 4.203 2 C -0.115 4.115 3 H 0.096 0.904 4 C -0.151 4.151 5 C -0.158 4.158 6 C -0.183 4.183 7 C 0.011 3.989 8 C 0.028 3.972 9 N -0.392 5.392 10 C 0.403 3.597 11 O -0.484 6.484 12 N -0.383 5.383 13 C 0.001 3.999 14 C 0.216 3.784 15 O -0.483 6.483 16 N -0.186 5.186 17 C -0.433 4.433 18 H 0.123 0.877 19 C -0.178 4.178 20 N -0.536 5.536 21 Si 0.759 3.241 22 H -0.203 1.203 23 H -0.208 1.208 24 H -0.193 1.193 25 N -0.255 5.255 26 C -0.130 4.130 27 C -0.131 4.131 28 C -0.139 4.139 29 H 0.076 0.924 30 H 0.073 0.927 31 H 0.071 0.929 32 H 0.078 0.922 33 H 0.081 0.919 34 H 0.081 0.919 35 H 0.087 0.913 36 H 0.086 0.914 37 H 0.087 0.913 38 H 0.091 0.909 39 H 0.080 0.920 40 H 0.238 0.762 41 H 0.244 0.756 42 H 0.098 0.902 43 H 0.098 0.902 44 H 0.230 0.770 45 H 0.084 0.916 46 H 0.047 0.953 47 H 0.085 0.915 48 H 0.090 0.910 49 H 0.092 0.908 50 H 0.086 0.914 51 H 0.047 0.953 52 H 0.085 0.915 53 H 0.091 0.909 Dipole moment (debyes) X Y Z Total from point charges -2.130 -22.025 -15.727 27.148 hybrid contribution -0.033 -0.200 0.419 0.466 sum -2.163 -22.226 -15.308 27.074 Atomic orbital electron populations 1.21799 0.94971 1.01571 1.01972 1.21215 0.95680 1.00238 0.94336 0.90438 1.21602 0.95217 1.00527 0.97738 1.21552 0.95909 1.01232 0.97157 1.22137 1.01040 0.99964 0.95125 1.21334 0.95717 0.93426 0.88411 1.21245 0.99574 0.90004 0.86331 1.44854 1.60647 1.12174 1.21531 1.15876 0.80109 0.81411 0.82319 1.90888 1.45504 1.65076 1.46942 1.44753 1.59752 1.14446 1.19303 1.20751 1.00379 0.82203 0.96567 1.19798 0.86365 0.83966 0.88298 1.90491 1.45605 1.53095 1.59149 1.41789 1.47891 1.10905 1.18004 1.19721 1.32092 0.97617 0.93869 0.87724 1.25317 0.96825 0.95716 0.99926 1.69619 1.38716 1.07189 1.38078 0.85821 0.79291 0.77660 0.81299 1.20304 1.20836 1.19344 1.62177 1.08421 1.17264 1.37602 1.22478 1.01010 0.89004 1.00475 1.22490 0.87244 1.02719 1.00617 1.21658 0.92727 1.01057 0.98424 0.92419 0.92682 0.92913 0.92172 0.91882 0.91925 0.91254 0.91407 0.91297 0.90893 0.92023 0.76239 0.75639 0.90153 0.90167 0.77039 0.91647 0.95269 0.91494 0.91036 0.90767 0.91376 0.95265 0.91543 0.90863 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 -1.06 9.19 37.16 0.34 -0.72 16 2 C -0.10 -0.74 2.45 -90.62 -0.22 -0.96 16 3 H 0.08 0.73 6.32 -51.93 -0.33 0.40 16 4 C -0.11 -0.76 5.20 -26.74 -0.14 -0.90 16 5 C -0.12 -0.83 5.65 -26.74 -0.15 -0.98 16 6 C -0.14 -1.01 4.05 -26.73 -0.11 -1.12 16 7 C 0.10 0.82 0.11 -131.62 -0.01 0.81 16 8 C 0.15 1.67 3.33 -4.04 -0.01 1.66 16 9 N -0.74 -9.31 5.13 -65.23 -0.33 -9.64 16 10 C 0.70 11.79 8.57 -86.92 -0.74 11.05 16 11 O -0.60 -12.09 16.34 5.29 0.09 -12.01 16 12 N -0.73 -12.66 5.53 -66.41 -0.37 -13.03 16 13 C 0.13 2.49 6.15 -5.19 -0.03 2.46 16 14 C 0.43 10.06 7.85 -10.99 -0.09 9.97 16 15 O -0.60 -15.50 15.24 5.55 0.08 -15.42 16 16 N -0.55 -13.88 5.29 -10.96 -0.06 -13.93 16 17 C -0.30 -8.34 9.68 -14.93 -0.14 -8.49 16 18 H 0.10 2.99 7.16 -52.49 -0.38 2.62 16 19 C 0.02 0.66 5.50 -17.47 -0.10 0.56 16 20 N -0.90 -24.19 13.05 55.50 0.72 -23.47 16 21 Si 0.93 20.75 29.55 -169.99 -5.02 15.73 16 22 H -0.28 -6.10 7.11 56.52 0.40 -5.70 16 23 H -0.28 -6.17 7.11 56.52 0.40 -5.77 16 24 H -0.27 -5.96 7.11 56.52 0.40 -5.55 16 25 N -0.53 -4.41 4.28 -235.43 -1.01 -5.42 16 26 C 0.02 0.12 8.77 60.07 0.53 0.65 16 27 C 0.02 0.14 8.81 60.06 0.53 0.67 16 28 C -0.10 -0.78 3.51 -26.75 -0.09 -0.87 16 29 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 30 H 0.05 0.39 8.14 -51.93 -0.42 -0.04 16 31 H 0.05 0.34 8.14 -51.93 -0.42 -0.08 16 32 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 33 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 34 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 35 H 0.07 0.55 6.55 -51.93 -0.34 0.21 16 36 H 0.07 0.50 6.40 -51.92 -0.33 0.17 16 37 H 0.07 0.46 6.39 -51.93 -0.33 0.13 16 38 H 0.07 0.84 4.83 -51.93 -0.25 0.59 16 39 H 0.06 0.74 6.70 -51.93 -0.35 0.39 16 40 H 0.40 4.65 7.32 -40.82 -0.30 4.35 16 41 H 0.41 6.98 7.45 -40.82 -0.30 6.68 16 42 H 0.08 1.49 8.14 -51.93 -0.42 1.07 16 43 H 0.08 1.50 8.14 -51.93 -0.42 1.07 16 44 H 0.40 9.61 7.90 -40.82 -0.32 9.28 16 45 H 0.27 6.97 8.31 -40.82 -0.34 6.64 16 46 H 0.03 0.18 6.18 -51.93 -0.32 -0.14 16 47 H 0.07 0.43 8.03 -51.93 -0.42 0.02 16 48 H 0.07 0.47 6.56 -51.93 -0.34 0.13 16 49 H 0.07 0.74 6.43 -51.93 -0.33 0.41 16 50 H 0.07 0.54 8.06 -51.93 -0.42 0.12 16 51 H 0.03 0.22 6.30 -51.93 -0.33 -0.11 16 52 H 0.07 0.47 6.46 -51.93 -0.34 0.13 16 53 H 0.07 0.64 7.17 -51.93 -0.37 0.27 16 LS Contribution 400.22 15.07 6.03 6.03 Total: -1.00 -31.23 400.22 -8.93 -40.15 By element: Atomic # 1 Polarization: 25.83 SS G_CDS: -8.61 Total: 17.22 kcal Atomic # 6 Polarization: 14.23 SS G_CDS: -0.45 Total: 13.78 kcal Atomic # 7 Polarization: -64.45 SS G_CDS: -1.04 Total: -65.49 kcal Atomic # 8 Polarization: -27.59 SS G_CDS: 0.17 Total: -27.42 kcal Atomic # 14 Polarization: 20.75 SS G_CDS: -5.02 Total: 15.73 kcal Total LS contribution 6.03 Total: 6.03 kcal Total: -31.23 -8.93 -40.15 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. ZINC000345116496.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 -32.845 kcal (2) G-P(sol) polarization free energy of solvation -31.227 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -64.072 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.927 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.154 kcal (6) G-S(sol) free energy of system = (1) + (5) -72.999 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.82 seconds