Wall clock time and date at job start Tue Mar 31 2020 21:17:47 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 1.52998 * 1 3 3 N 1.46504 * 109.47064 * 2 1 4 4 C 1.36936 * 119.99973 * 275.46484 * 3 2 1 5 5 H 1.07995 * 120.00323 * 321.48642 * 4 3 2 6 6 C 1.38812 * 119.99978 * 141.48673 * 4 3 2 7 7 N 1.31620 * 119.99883 * 338.80789 * 6 4 3 8 8 Si 1.86799 * 120.00040 * 158.80157 * 6 4 3 9 9 H 1.48496 * 109.47541 * 0.02562 * 8 6 4 10 10 H 1.48499 * 109.47025 * 120.00566 * 8 6 4 11 11 H 1.48504 * 109.47135 * 240.00130 * 8 6 4 12 12 C 1.46502 * 119.99862 * 95.46593 * 3 2 1 13 13 C 1.53004 * 109.46964 * 89.99938 * 12 3 2 14 14 C 1.53041 * 109.46142 * 295.02632 * 13 12 3 15 15 C 1.53186 * 109.31135 * 178.60185 * 14 13 12 16 16 N 1.46926 * 108.76854 * 54.65732 * 15 14 13 17 17 C 1.34775 * 120.63250 * 126.40148 * 16 15 14 18 18 O 1.21281 * 120.00230 * 179.97438 * 17 16 15 19 19 C 1.50702 * 119.99944 * 359.97438 * 17 16 15 20 20 H 1.09000 * 110.66560 * 61.75816 * 19 17 16 21 21 C 1.55004 * 110.75036 * 298.54596 * 19 17 16 22 22 C 1.55814 * 102.78642 * 241.67683 * 21 19 17 23 23 H 1.09002 * 115.38729 * 158.83499 * 22 21 19 24 24 C 1.55826 * 105.32834 * 287.30821 * 22 21 19 25 25 C 1.55004 * 102.78585 * 72.69137 * 24 22 21 26 26 C 1.55819 * 102.78761 * 0.02562 * 25 24 22 27 27 H 1.08998 * 115.38662 * 158.83877 * 26 25 24 28 28 O 1.46530 * 101.24690 * 32.41919 * 26 25 24 29 29 C 1.46926 * 118.73448 * 306.38817 * 16 15 14 30 30 C 1.53041 * 109.45608 * 174.97146 * 13 12 3 31 31 H 1.09000 * 109.46827 * 299.99912 * 1 2 3 32 32 H 1.08996 * 109.47206 * 179.97438 * 1 2 3 33 33 H 1.09006 * 109.47301 * 59.99660 * 1 2 3 34 34 H 1.08991 * 109.47748 * 120.00241 * 2 1 3 35 35 H 1.09008 * 109.47219 * 240.00558 * 2 1 3 36 36 H 0.97003 * 120.00198 * 179.97438 * 7 6 4 37 37 H 1.08998 * 109.47286 * 209.99755 * 12 3 2 38 38 H 1.08999 * 109.47321 * 330.00202 * 12 3 2 39 39 H 1.09002 * 109.45959 * 55.00168 * 13 12 3 40 40 H 1.09000 * 109.49553 * 298.56987 * 14 13 12 41 41 H 1.09006 * 109.49173 * 58.66481 * 14 13 12 42 42 H 1.09001 * 109.60197 * 294.86378 * 15 14 13 43 43 H 1.09003 * 109.70090 * 174.51008 * 15 14 13 44 44 H 1.08997 * 110.74591 * 0.02562 * 21 19 17 45 45 H 1.08994 * 110.74946 * 123.34639 * 21 19 17 46 46 H 1.09001 * 110.74906 * 191.01671 * 24 22 21 47 47 H 1.09002 * 110.74448 * 314.36825 * 24 22 21 48 48 H 1.08996 * 110.74668 * 118.32331 * 25 24 22 49 49 H 1.09002 * 110.74575 * 241.49664 * 25 24 22 50 50 H 1.09006 * 109.58088 * 293.81119 * 29 16 15 51 51 H 1.09004 * 109.58331 * 173.40026 * 29 16 15 52 52 H 1.09000 * 109.50006 * 301.33576 * 30 13 12 53 53 H 1.09001 * 109.49415 * 61.43980 * 30 13 12 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 7 2.0183 1.3813 0.0000 4 6 2.1401 2.0644 -1.1805 5 1 2.4905 1.5547 -2.0658 6 6 1.8130 3.4122 -1.2394 7 7 1.0160 3.9362 -0.3324 8 14 2.5040 4.4822 -2.6058 9 1 3.3666 3.6591 -3.4909 10 1 1.3868 5.0558 -3.3982 11 1 3.3075 5.5823 -2.0146 12 6 2.3764 2.0316 1.2630 13 6 3.8549 1.7793 1.5652 14 6 4.0792 0.2839 1.8012 15 6 5.5661 0.0307 2.0689 16 7 5.9990 0.8882 3.1806 17 6 6.6140 0.3591 4.2568 18 8 6.9670 1.0777 5.1679 19 6 6.8631 -1.1254 4.3282 20 1 7.5153 -1.4456 3.5156 21 6 5.5259 -1.9087 4.3001 22 6 5.5316 -2.6502 5.6705 23 1 4.5549 -2.9726 6.0314 24 6 6.5956 -3.7791 5.5235 25 6 7.9329 -2.9959 5.5517 26 6 7.4640 -1.5185 5.7118 27 1 8.2112 -0.8316 6.1091 28 8 6.2493 -1.6895 6.5133 29 6 5.7488 2.3336 3.0966 30 6 4.2600 2.5611 2.8170 31 1 -0.3633 0.5138 0.8900 32 1 -0.3633 -1.0276 -0.0005 33 1 -0.3634 0.5139 -0.8900 34 1 1.8934 -0.5138 0.8899 35 1 1.8934 -0.5138 -0.8901 36 1 0.7877 4.8781 -0.3732 37 1 2.2000 3.1041 1.1822 38 1 1.7661 1.6225 2.0681 39 1 4.4596 2.1083 0.7201 40 1 3.4939 -0.0404 2.6616 41 1 3.7685 -0.2743 0.9179 42 1 6.1442 0.2698 1.1764 43 1 5.7188 -1.0157 2.3336 44 1 4.6794 -1.2252 4.2340 45 1 5.5130 -2.6212 3.4754 46 1 6.5381 -4.4753 6.3603 47 1 6.4746 -4.3026 4.5751 48 1 8.5417 -3.3017 6.4025 49 1 8.4797 -3.1318 4.6186 50 1 6.3420 2.7606 2.2879 51 1 6.0199 2.8068 4.0404 52 1 4.0780 3.6238 2.6570 53 1 3.6730 2.2150 3.6678 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001328586789.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 21:17:47 Heat of formation + Delta-G solvation = -53.037732 kcal Electronic energy + Delta-G solvation = -31382.759450 eV Core-core repulsion = 27447.953355 eV Total energy + Delta-G solvation = -3934.806096 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.15 seconds Orbital eigenvalues (eV) -41.41730 -39.48280 -37.53946 -35.69714 -33.24980 -32.38019 -31.83646 -31.43945 -30.25450 -29.90791 -28.91992 -26.64246 -24.34009 -23.45375 -23.14436 -22.34023 -21.73653 -20.62781 -20.14814 -19.82160 -18.60001 -17.37743 -16.93279 -16.52637 -16.09874 -15.46267 -15.15930 -14.84310 -14.58490 -14.32957 -14.23842 -13.84800 -13.61781 -13.36781 -13.22195 -13.09736 -12.83904 -12.74201 -12.37554 -12.09929 -12.02181 -11.89200 -11.76612 -11.68799 -11.35360 -11.27833 -11.17795 -11.04991 -10.94891 -10.78574 -10.71527 -10.57021 -10.44849 -10.25151 -10.18638 -10.08301 -9.82492 -9.61631 -9.52834 -9.47108 -8.49202 -8.45607 -6.53662 -5.78004 -3.36683 2.67734 3.05020 3.33232 3.42901 3.44413 3.59701 4.17521 4.26186 4.42467 4.47238 4.56396 4.62652 4.82114 4.89371 4.96507 4.99945 5.15550 5.20225 5.22421 5.30371 5.36783 5.44751 5.52061 5.53747 5.54554 5.62151 5.68326 5.73773 5.77322 5.82069 5.84550 5.92895 5.99188 6.11772 6.23821 6.28963 6.34557 6.38206 6.41386 6.52203 6.54445 6.63326 6.67858 6.86966 6.87214 6.99690 7.23711 7.28436 7.52931 7.68516 7.82676 8.25621 8.53621 9.20756 9.82716 10.42492 11.21332 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.018178 B = 0.003043 C = 0.002792 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1539.962997 B = 9199.827463 C =10026.323369 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.162 4.162 2 C 0.140 3.860 3 N -0.583 5.583 4 C -0.257 4.257 5 H 0.058 0.942 6 C 0.014 3.986 7 N -0.885 5.885 8 Si 0.892 3.108 9 H -0.277 1.277 10 H -0.291 1.291 11 H -0.288 1.288 12 C 0.157 3.843 13 C -0.104 4.104 14 C -0.122 4.122 15 C 0.100 3.900 16 N -0.604 5.604 17 C 0.524 3.476 18 O -0.544 6.544 19 C -0.139 4.139 20 H 0.107 0.893 21 C -0.140 4.140 22 C 0.059 3.941 23 H 0.131 0.869 24 C -0.149 4.149 25 C -0.150 4.150 26 C 0.089 3.911 27 H 0.136 0.864 28 O -0.364 6.364 29 C 0.113 3.887 30 C -0.125 4.125 31 H 0.042 0.958 32 H 0.027 0.973 33 H 0.053 0.947 34 H 0.037 0.963 35 H 0.035 0.965 36 H 0.253 0.747 37 H 0.091 0.909 38 H 0.020 0.980 39 H 0.070 0.930 40 H 0.054 0.946 41 H 0.083 0.917 42 H 0.066 0.934 43 H 0.080 0.920 44 H 0.084 0.916 45 H 0.087 0.913 46 H 0.073 0.927 47 H 0.077 0.923 48 H 0.076 0.924 49 H 0.077 0.923 50 H 0.064 0.936 51 H 0.085 0.915 52 H 0.073 0.927 53 H 0.058 0.942 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 11.434 -14.306 8.918 20.370 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 -0.222 4.222 2 C 0.014 3.986 3 N -0.304 5.304 4 C -0.387 4.387 5 H 0.076 0.924 6 C -0.187 4.187 7 N -0.528 5.528 8 Si 0.721 3.279 9 H -0.201 1.201 10 H -0.218 1.218 11 H -0.215 1.215 12 C 0.030 3.970 13 C -0.125 4.125 14 C -0.160 4.160 15 C -0.022 4.022 16 N -0.337 5.337 17 C 0.312 3.688 18 O -0.422 6.422 19 C -0.161 4.161 20 H 0.125 0.875 21 C -0.178 4.178 22 C 0.001 3.999 23 H 0.149 0.851 24 C -0.186 4.186 25 C -0.188 4.188 26 C 0.031 3.969 27 H 0.154 0.846 28 O -0.282 6.282 29 C -0.009 4.009 30 C -0.164 4.164 31 H 0.061 0.939 32 H 0.046 0.954 33 H 0.073 0.927 34 H 0.055 0.945 35 H 0.053 0.947 36 H 0.063 0.937 37 H 0.109 0.891 38 H 0.038 0.962 39 H 0.088 0.912 40 H 0.073 0.927 41 H 0.101 0.899 42 H 0.085 0.915 43 H 0.098 0.902 44 H 0.103 0.897 45 H 0.105 0.895 46 H 0.092 0.908 47 H 0.096 0.904 48 H 0.095 0.905 49 H 0.095 0.905 50 H 0.082 0.918 51 H 0.104 0.896 52 H 0.092 0.908 53 H 0.077 0.923 Dipole moment (debyes) X Y Z Total from point charges 11.475 -13.655 9.616 20.264 hybrid contribution 0.197 0.608 -1.118 1.287 sum 11.672 -13.047 8.499 19.460 Atomic orbital electron populations 1.22272 0.99928 0.98042 1.01944 1.20965 0.91910 0.87981 0.97767 1.43817 1.73584 1.09704 1.03300 1.19012 1.38007 0.92328 0.89384 0.92425 1.25180 0.96782 0.99174 0.97524 1.70017 1.33561 1.12609 1.36587 0.86414 0.78738 0.80710 0.82018 1.20149 1.21766 1.21480 1.20859 0.88733 1.01242 0.86137 1.21792 1.02113 0.92814 0.95825 1.22008 0.93309 0.99013 1.01688 1.22005 0.97111 0.94171 0.88961 1.48125 1.57995 1.08614 1.19000 1.20290 0.77379 0.89671 0.81475 1.90667 1.52023 1.62171 1.37321 1.23063 0.99256 0.93142 1.00597 0.87534 1.23390 0.96690 0.99419 0.98298 1.24719 0.96759 0.88928 0.89466 0.85100 1.23270 0.94766 0.97990 1.02620 1.23276 0.97709 0.95066 1.02727 1.24482 0.88492 0.95859 0.88068 0.84609 1.90147 1.31169 1.62791 1.44126 1.21648 0.97063 0.79863 1.02350 1.21905 0.94215 1.01278 0.99012 0.93879 0.95415 0.92747 0.94462 0.94703 0.93708 0.89106 0.96181 0.91175 0.92705 0.89869 0.91521 0.90156 0.89748 0.89455 0.90777 0.90423 0.90529 0.90469 0.91764 0.89648 0.90829 0.92276 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 -0.16 -3.20 10.21 37.16 0.38 -2.82 16 2 C 0.14 2.77 5.28 -4.04 -0.02 2.74 16 3 N -0.58 -13.44 2.25 -173.23 -0.39 -13.83 16 4 C -0.26 -6.66 9.44 -15.06 -0.14 -6.80 16 5 H 0.06 1.51 7.91 -52.49 -0.42 1.09 16 6 C 0.01 0.37 4.95 -17.43 -0.09 0.28 16 7 N -0.89 -24.68 11.53 55.49 0.64 -24.04 16 8 Si 0.89 20.94 29.60 -169.99 -5.03 15.91 16 9 H -0.28 -6.38 7.11 56.52 0.40 -5.97 16 10 H -0.29 -6.95 7.11 56.52 0.40 -6.55 16 11 H -0.29 -6.81 7.11 56.52 0.40 -6.41 16 12 C 0.16 3.40 4.76 -4.04 -0.02 3.38 16 13 C -0.10 -1.84 2.36 -90.58 -0.21 -2.05 16 14 C -0.12 -1.78 4.41 -26.61 -0.12 -1.90 16 15 C 0.10 1.22 5.63 -3.71 -0.02 1.20 16 16 N -0.60 -8.37 2.96 -172.77 -0.51 -8.88 16 17 C 0.52 7.53 6.95 -10.99 -0.08 7.45 16 18 O -0.54 -9.74 15.31 5.56 0.09 -9.65 16 19 C -0.14 -1.47 1.96 -89.17 -0.17 -1.64 16 20 H 0.11 0.89 7.70 -51.93 -0.40 0.49 16 21 C -0.14 -1.31 4.28 -24.17 -0.10 -1.41 16 22 C 0.06 0.55 5.71 -23.72 -0.14 0.41 16 23 H 0.13 1.03 8.14 -51.93 -0.42 0.61 16 24 C -0.15 -1.07 6.52 -24.16 -0.16 -1.23 16 25 C -0.15 -1.14 6.52 -24.17 -0.16 -1.30 16 26 C 0.09 0.96 4.63 -23.69 -0.11 0.85 16 27 H 0.14 1.55 7.74 -51.93 -0.40 1.14 16 28 O -0.36 -4.77 11.65 -35.23 -0.41 -5.18 16 29 C 0.11 1.67 6.43 -3.71 -0.02 1.65 16 30 C -0.13 -2.01 5.36 -26.61 -0.14 -2.15 16 31 H 0.04 0.89 8.14 -51.93 -0.42 0.47 16 32 H 0.03 0.45 8.14 -51.93 -0.42 0.03 16 33 H 0.05 1.19 8.14 -51.93 -0.42 0.77 16 34 H 0.04 0.65 6.21 -51.93 -0.32 0.33 16 35 H 0.03 0.68 8.08 -51.92 -0.42 0.26 16 36 H 0.25 6.85 8.31 -40.82 -0.34 6.51 16 37 H 0.09 2.30 5.58 -51.93 -0.29 2.01 16 38 H 0.02 0.43 8.07 -51.93 -0.42 0.01 16 39 H 0.07 1.37 8.14 -51.93 -0.42 0.95 16 40 H 0.05 0.80 7.76 -51.93 -0.40 0.40 16 41 H 0.08 1.28 5.88 -51.93 -0.31 0.97 16 42 H 0.07 0.81 8.14 -51.93 -0.42 0.39 16 43 H 0.08 0.78 4.42 -51.93 -0.23 0.55 16 44 H 0.08 0.95 6.86 -51.93 -0.36 0.59 16 45 H 0.09 0.62 7.34 -51.93 -0.38 0.23 16 46 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 47 H 0.08 0.44 7.80 -51.93 -0.41 0.04 16 48 H 0.08 0.55 8.14 -51.93 -0.42 0.12 16 49 H 0.08 0.47 7.82 -51.93 -0.41 0.07 16 50 H 0.06 0.91 8.14 -51.93 -0.42 0.49 16 51 H 0.09 1.33 7.01 -51.93 -0.36 0.97 16 52 H 0.07 1.21 8.14 -51.93 -0.42 0.79 16 53 H 0.06 0.97 8.14 -51.93 -0.42 0.55 16 LS Contribution 394.06 15.07 5.94 5.94 Total: -1.00 -30.80 394.06 -10.31 -41.10 By element: Atomic # 1 Polarization: 11.28 SS G_CDS: -9.30 Total: 1.97 kcal Atomic # 6 Polarization: -2.02 SS G_CDS: -1.32 Total: -3.34 kcal Atomic # 7 Polarization: -46.49 SS G_CDS: -0.26 Total: -46.75 kcal Atomic # 8 Polarization: -14.51 SS G_CDS: -0.33 Total: -14.83 kcal Atomic # 14 Polarization: 20.94 SS G_CDS: -5.03 Total: 15.91 kcal Total LS contribution 5.94 Total: 5.94 kcal Total: -30.80 -10.31 -41.10 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. ZINC001328586789.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 -11.933 kcal (2) G-P(sol) polarization free energy of solvation -30.798 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -42.731 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.307 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.105 kcal (6) G-S(sol) free energy of system = (1) + (5) -53.038 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.15 seconds