Wall clock time and date at job start Tue Mar 31 2020 23:56:16 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 1.42905 * 1 3 3 C 1.42905 * 113.99413 * 2 1 4 4 C 1.52999 * 109.46579 * 179.97438 * 3 2 1 5 5 C 1.53006 * 109.46971 * 175.31818 * 4 3 2 6 6 N 1.46495 * 109.45961 * 305.33002 * 5 4 3 7 7 C 1.34775 * 120.00137 * 295.35577 * 6 5 4 8 8 O 1.21280 * 120.00015 * 5.24361 * 7 6 5 9 9 C 1.50700 * 119.99854 * 185.24892 * 7 6 5 10 10 H 1.08992 * 109.82799 * 55.56169 * 9 7 6 11 11 C 1.54386 * 109.82853 * 294.58102 * 9 7 6 12 12 C 1.55306 * 102.25154 * 219.13132 * 11 9 7 13 13 H 1.09001 * 111.13101 * 276.21187 * 12 11 9 14 14 C 1.53003 * 111.12074 * 152.05530 * 12 11 9 15 15 C 1.54944 * 100.94209 * 34.13812 * 12 11 9 16 16 O 1.43244 * 109.83141 * 176.45244 * 9 7 6 17 17 C 1.53036 * 109.45830 * 185.36921 * 5 4 3 18 18 C 1.53204 * 109.31124 * 178.61417 * 17 5 4 19 19 N 1.46929 * 108.77304 * 54.63720 * 18 17 5 20 20 C 1.36933 * 120.63015 * 126.36700 * 19 18 17 21 21 H 1.08003 * 120.00014 * 328.48843 * 20 19 18 22 22 C 1.38814 * 119.99717 * 148.48404 * 20 19 18 23 23 N 1.31619 * 120.00187 * 345.28855 * 22 20 19 24 24 Si 1.86799 * 119.99701 * 165.28606 * 22 20 19 25 25 H 1.48498 * 109.47487 * 90.00322 * 24 22 20 26 26 H 1.48506 * 109.46859 * 210.00157 * 24 22 20 27 27 H 1.48502 * 109.47335 * 330.00032 * 24 22 20 28 28 C 1.46930 * 118.73732 * 306.39422 * 19 18 17 29 29 C 1.53044 * 109.45854 * 65.30106 * 5 4 3 30 30 H 1.08996 * 109.47495 * 299.99988 * 1 2 3 31 31 H 1.08998 * 109.47174 * 60.00173 * 1 2 3 32 32 H 1.09000 * 109.47105 * 179.97438 * 1 2 3 33 33 H 1.08999 * 109.46815 * 60.00448 * 3 2 1 34 34 H 1.08995 * 109.47638 * 299.99951 * 3 2 1 35 35 H 1.08996 * 109.47611 * 295.32077 * 4 3 2 36 36 H 1.09002 * 109.47118 * 55.32353 * 4 3 2 37 37 H 0.97004 * 119.99956 * 115.35576 * 6 5 4 38 38 H 1.08998 * 110.84772 * 337.32336 * 11 9 7 39 39 H 1.08999 * 110.84272 * 100.94701 * 11 9 7 40 40 H 1.09000 * 109.47087 * 306.98366 * 14 12 11 41 41 H 1.09000 * 109.47168 * 66.99001 * 14 12 11 42 42 H 1.09005 * 109.47079 * 186.98831 * 14 12 11 43 43 H 1.09001 * 110.30620 * 204.64006 * 15 12 11 44 44 H 1.08996 * 110.39415 * 82.51171 * 15 12 11 45 45 H 1.08997 * 109.50340 * 298.56484 * 17 5 4 46 46 H 1.08997 * 109.49945 * 58.66691 * 17 5 4 47 47 H 1.08994 * 109.58273 * 294.85366 * 18 17 5 48 48 H 1.08998 * 109.70193 * 174.49081 * 18 17 5 49 49 H 0.96999 * 120.00268 * 180.02562 * 23 22 20 50 50 H 1.08999 * 109.58224 * 293.81665 * 28 19 18 51 51 H 1.08998 * 109.70378 * 173.46783 * 28 19 18 52 52 H 1.08995 * 109.49870 * 301.34200 * 29 5 4 53 53 H 1.09003 * 109.49289 * 61.43790 * 29 5 4 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 1.4291 0.0000 0.0000 3 6 2.0102 1.3056 0.0000 4 6 3.5354 1.1848 0.0006 5 6 4.1573 2.5777 -0.1171 6 7 3.6191 3.2541 -1.2999 7 6 3.8737 2.7655 -2.5298 8 8 4.4668 1.7149 -2.6542 9 6 3.4214 3.5245 -3.7506 10 1 3.8191 4.5389 -3.7236 11 6 1.8788 3.5658 -3.7999 12 6 1.5924 3.3793 -5.3148 13 1 1.6589 4.3282 -5.8471 14 6 0.2316 2.7175 -5.5412 15 6 2.7489 2.4303 -5.7182 16 8 3.8744 2.8562 -4.9339 17 6 5.6763 2.4482 -0.2512 18 6 6.2922 3.8426 -0.4036 19 7 5.8550 4.6784 0.7230 20 6 6.7708 5.3326 1.5030 21 1 7.7475 4.9013 1.6660 22 6 6.4438 6.5500 2.0842 23 7 5.3876 7.2157 1.6675 24 14 7.5027 7.2435 3.4580 25 1 8.5747 8.0911 2.8769 26 1 6.6609 8.0634 4.3660 27 1 8.1143 6.1273 4.2231 28 6 4.4165 4.7984 0.9970 29 6 3.8216 3.3934 1.1336 30 1 -0.3634 0.5138 0.8899 31 1 -0.3633 0.5138 -0.8900 32 1 -0.3633 -1.0277 -0.0005 33 1 1.6885 1.8464 0.8900 34 1 1.6886 1.8465 -0.8899 35 1 3.8626 0.7181 0.9297 36 1 3.8518 0.5731 -0.8443 37 1 3.0795 4.0538 -1.1978 38 1 1.4502 2.7482 -3.2204 39 1 1.5053 4.5282 -3.4501 40 1 0.1740 1.7972 -4.9600 41 1 -0.5600 3.3970 -5.2252 42 1 0.1113 2.4868 -6.5997 43 1 2.9683 2.5319 -6.7810 44 1 2.4925 1.3975 -5.4824 45 1 6.0805 1.9673 0.6396 46 1 5.9141 1.8476 -1.1291 47 1 5.9589 4.2888 -1.3405 48 1 7.3795 3.7663 -0.4015 49 1 5.1593 8.0666 2.0734 50 1 3.9303 5.3226 0.1742 51 1 4.2638 5.3515 1.9237 52 1 2.7394 3.4653 1.2414 53 1 4.2433 2.9035 2.0113 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 ZINC001151216334.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 23:56:16 Heat of formation + Delta-G solvation = -110.608604 kcal Electronic energy + Delta-G solvation = -32713.954794 eV Core-core repulsion = 28586.196187 eV Total energy + Delta-G solvation = -4127.758608 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.42 seconds Orbital eigenvalues (eV) -40.67752 -39.33399 -37.71336 -36.99983 -34.55280 -33.75703 -32.34745 -31.56140 -30.07370 -29.92551 -28.83250 -26.63214 -26.52437 -24.89167 -23.80723 -23.03339 -22.14730 -21.06767 -20.60739 -20.02483 -18.71066 -17.40884 -17.10075 -16.61738 -16.37519 -15.94758 -15.72923 -15.15983 -14.82100 -14.71285 -14.56452 -14.25098 -13.88165 -13.72163 -13.65346 -13.45016 -13.24959 -13.09859 -12.96461 -12.60412 -12.50043 -12.31791 -11.81497 -11.71131 -11.54191 -11.46202 -11.25894 -11.23325 -11.11758 -11.01465 -10.94218 -10.91910 -10.72427 -10.38917 -10.28947 -10.12359 -9.91388 -9.78268 -9.57730 -9.46160 -8.86402 -8.61245 -8.48506 -6.61919 -5.81847 -3.26367 2.85621 3.27473 3.35900 3.42963 3.45768 3.77848 3.84851 4.15910 4.46960 4.48560 4.65808 4.87535 4.93358 5.06925 5.10373 5.14075 5.20459 5.26977 5.31727 5.33717 5.34006 5.41354 5.45645 5.49034 5.52550 5.54818 5.56379 5.60402 5.63265 5.69902 5.75502 5.78638 5.97302 6.09702 6.18533 6.27990 6.31438 6.40184 6.50266 6.63529 6.66836 6.82738 6.85668 6.96987 7.07400 7.20484 7.25593 7.53220 7.78898 7.89295 8.45581 8.57150 9.20560 9.82699 10.41838 11.26910 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.011515 B = 0.003683 C = 0.003168 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2431.097035 B = 7600.916113 C = 8836.484686 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.033 3.967 2 O -0.393 6.393 3 C 0.067 3.933 4 C -0.127 4.127 5 C 0.196 3.804 6 N -0.711 5.711 7 C 0.505 3.495 8 O -0.521 6.521 9 C 0.063 3.937 10 H 0.107 0.893 11 C -0.142 4.142 12 C -0.127 4.127 13 H 0.090 0.910 14 C -0.141 4.141 15 C 0.053 3.947 16 O -0.350 6.350 17 C -0.144 4.144 18 C 0.152 3.848 19 N -0.589 5.589 20 C -0.252 4.252 21 H 0.063 0.937 22 C 0.005 3.995 23 N -0.904 5.904 24 Si 0.901 3.099 25 H -0.287 1.287 26 H -0.290 1.290 27 H -0.279 1.279 28 C 0.176 3.824 29 C -0.148 4.148 30 H 0.039 0.961 31 H 0.036 0.964 32 H 0.082 0.918 33 H 0.049 0.951 34 H 0.044 0.956 35 H 0.073 0.927 36 H 0.086 0.914 37 H 0.398 0.602 38 H 0.081 0.919 39 H 0.092 0.908 40 H 0.058 0.942 41 H 0.060 0.940 42 H 0.060 0.940 43 H 0.087 0.913 44 H 0.062 0.938 45 H 0.064 0.936 46 H 0.076 0.924 47 H 0.015 0.985 48 H 0.051 0.949 49 H 0.253 0.747 50 H 0.017 0.983 51 H 0.084 0.916 52 H 0.054 0.946 53 H 0.073 0.927 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.959 -8.511 -10.288 19.317 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 -0.064 4.064 2 O -0.312 6.312 3 C -0.009 4.009 4 C -0.166 4.166 5 C 0.110 3.890 6 N -0.364 5.364 7 C 0.290 3.710 8 O -0.397 6.397 9 C 0.002 3.998 10 H 0.125 0.875 11 C -0.180 4.180 12 C -0.145 4.145 13 H 0.109 0.891 14 C -0.198 4.198 15 C -0.024 4.024 16 O -0.268 6.268 17 C -0.183 4.183 18 C 0.026 3.974 19 N -0.312 5.312 20 C -0.382 4.382 21 H 0.081 0.919 22 C -0.193 4.193 23 N -0.549 5.549 24 Si 0.731 3.269 25 H -0.214 1.214 26 H -0.216 1.216 27 H -0.205 1.205 28 C 0.050 3.950 29 C -0.188 4.188 30 H 0.058 0.942 31 H 0.055 0.945 32 H 0.100 0.900 33 H 0.067 0.933 34 H 0.063 0.937 35 H 0.091 0.909 36 H 0.105 0.895 37 H 0.233 0.767 38 H 0.099 0.901 39 H 0.110 0.890 40 H 0.077 0.923 41 H 0.080 0.920 42 H 0.079 0.921 43 H 0.105 0.895 44 H 0.080 0.920 45 H 0.083 0.917 46 H 0.095 0.905 47 H 0.033 0.967 48 H 0.070 0.930 49 H 0.063 0.937 50 H 0.035 0.965 51 H 0.102 0.898 52 H 0.072 0.928 53 H 0.092 0.908 Dipole moment (debyes) X Y Z Total from point charges -13.216 -9.303 -10.374 19.205 hybrid contribution -0.230 1.218 0.877 1.519 sum -13.446 -8.084 -9.497 18.340 Atomic orbital electron populations 1.22683 0.81707 1.02306 0.99695 1.87888 1.19136 1.28804 1.95375 1.22569 0.94654 0.83913 0.99757 1.21970 0.92525 0.98167 1.03902 1.20187 0.94005 0.90108 0.84668 1.46109 1.54145 1.30839 1.05319 1.20738 0.79798 0.86040 0.84468 1.90633 1.40324 1.22419 1.86290 1.22688 0.94760 0.96706 0.85662 0.87506 1.23201 0.93626 1.04025 0.97186 1.22874 0.96059 1.00103 0.95514 0.89140 1.21669 0.95399 1.00716 1.02026 1.23513 0.85252 0.97644 0.95989 1.88533 1.29704 1.76468 1.32057 1.22392 0.93262 1.00305 1.02374 1.20826 0.97046 0.89092 0.90451 1.43986 1.01850 1.54536 1.30855 1.19165 0.96535 0.99246 1.23211 0.91934 1.25101 0.98151 0.95482 1.00577 1.69993 1.28269 1.14454 1.42136 0.86322 0.79749 0.78776 0.82067 1.21391 1.21615 1.20456 1.20665 0.83647 0.89928 1.00750 1.22595 0.99598 1.00715 0.95890 0.94234 0.94495 0.89993 0.93331 0.93740 0.90873 0.89518 0.76680 0.90084 0.88968 0.92270 0.92048 0.92112 0.89517 0.92007 0.91689 0.90509 0.96701 0.93009 0.93723 0.96525 0.89787 0.92783 0.90848 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 0.03 0.33 11.01 101.05 1.11 1.45 16 2 O -0.39 -5.59 10.70 -35.23 -0.38 -5.97 16 3 C 0.07 0.92 5.45 37.16 0.20 1.13 16 4 C -0.13 -1.98 4.40 -26.73 -0.12 -2.10 16 5 C 0.20 3.21 0.35 -131.78 -0.05 3.16 16 6 N -0.71 -10.61 2.96 -47.57 -0.14 -10.75 16 7 C 0.50 7.99 6.23 -10.99 -0.07 7.92 16 8 O -0.52 -10.05 12.83 -14.09 -0.18 -10.23 16 9 C 0.06 0.83 3.95 -27.16 -0.11 0.72 16 10 H 0.11 1.34 8.14 -51.93 -0.42 0.92 16 11 C -0.14 -1.35 6.00 -24.78 -0.15 -1.50 16 12 C -0.13 -1.06 3.69 -88.37 -0.33 -1.38 16 13 H 0.09 0.68 8.14 -51.93 -0.42 0.26 16 14 C -0.14 -0.94 9.31 37.16 0.35 -0.59 16 15 C 0.05 0.56 7.26 38.18 0.28 0.83 16 16 O -0.35 -5.14 10.56 -54.88 -0.58 -5.72 16 17 C -0.14 -2.70 4.59 -26.61 -0.12 -2.82 16 18 C 0.15 3.29 6.26 -3.70 -0.02 3.26 16 19 N -0.59 -14.25 2.98 -172.32 -0.51 -14.77 16 20 C -0.25 -6.79 9.56 -15.06 -0.14 -6.94 16 21 H 0.06 1.69 7.87 -52.48 -0.41 1.28 16 22 C 0.01 0.15 4.95 -17.43 -0.09 0.06 16 23 N -0.90 -25.26 11.31 55.49 0.63 -24.63 16 24 Si 0.90 21.36 29.58 -169.99 -5.03 16.33 16 25 H -0.29 -6.85 7.11 56.52 0.40 -6.45 16 26 H -0.29 -6.89 7.11 56.52 0.40 -6.49 16 27 H -0.28 -6.54 7.11 56.52 0.40 -6.14 16 28 C 0.18 3.84 4.99 -3.71 -0.02 3.82 16 29 C -0.15 -2.56 4.73 -26.61 -0.13 -2.69 16 30 H 0.04 0.36 8.14 -51.93 -0.42 -0.06 16 31 H 0.04 0.33 8.14 -51.93 -0.42 -0.09 16 32 H 0.08 0.70 8.14 -51.93 -0.42 0.27 16 33 H 0.05 0.63 6.77 -51.93 -0.35 0.28 16 34 H 0.04 0.58 7.29 -51.93 -0.38 0.21 16 35 H 0.07 1.13 8.14 -51.93 -0.42 0.70 16 36 H 0.09 1.54 6.49 -51.93 -0.34 1.20 16 37 H 0.40 5.40 7.43 -40.82 -0.30 5.09 16 38 H 0.08 0.80 7.70 -51.93 -0.40 0.40 16 39 H 0.09 0.71 8.14 -51.93 -0.42 0.29 16 40 H 0.06 0.42 8.10 -51.93 -0.42 0.00 16 41 H 0.06 0.36 8.14 -51.93 -0.42 -0.06 16 42 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 43 H 0.09 0.77 8.14 -51.93 -0.42 0.34 16 44 H 0.06 0.67 8.03 -51.93 -0.42 0.26 16 45 H 0.06 1.23 8.14 -51.93 -0.42 0.81 16 46 H 0.08 1.51 6.06 -51.93 -0.31 1.19 16 47 H 0.02 0.33 7.55 -51.93 -0.39 -0.06 16 48 H 0.05 1.14 7.93 -51.93 -0.41 0.73 16 49 H 0.25 6.86 8.31 -40.82 -0.34 6.52 16 50 H 0.02 0.37 7.03 -51.93 -0.37 0.00 16 51 H 0.08 2.09 6.26 -51.93 -0.33 1.76 16 52 H 0.05 0.80 6.62 -51.93 -0.34 0.46 16 53 H 0.07 1.33 8.14 -51.93 -0.42 0.90 16 LS Contribution 402.13 15.07 6.06 6.06 Total: -1.00 -31.97 402.13 -8.91 -40.88 By element: Atomic # 1 Polarization: 13.84 SS G_CDS: -9.38 Total: 4.46 kcal Atomic # 6 Polarization: 3.73 SS G_CDS: 0.60 Total: 4.33 kcal Atomic # 7 Polarization: -50.12 SS G_CDS: -0.03 Total: -50.15 kcal Atomic # 8 Polarization: -20.78 SS G_CDS: -1.14 Total: -21.92 kcal Atomic # 14 Polarization: 21.36 SS G_CDS: -5.03 Total: 16.33 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -31.97 -8.91 -40.88 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. ZINC001151216334.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 -69.730 kcal (2) G-P(sol) polarization free energy of solvation -31.968 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -101.698 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.911 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.878 kcal (6) G-S(sol) free energy of system = (1) + (5) -110.609 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.42 seconds