Wall clock time and date at job start Tue Mar 31 2020 20:58:46 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 1.53003 * 1 3 3 H 1.08995 * 109.47592 * 2 1 4 4 C 1.53003 * 109.47189 * 120.00012 * 2 1 3 5 5 C 1.53003 * 109.47189 * 179.97438 * 4 2 1 6 6 H 1.09001 * 109.46866 * 179.97438 * 5 4 2 7 7 N 1.46497 * 109.47018 * 59.99571 * 5 4 2 8 8 C 1.34780 * 119.99732 * 85.00315 * 7 5 4 9 9 O 1.21352 * 120.00028 * 359.97438 * 8 7 5 10 10 C 1.49450 * 119.99882 * 180.02562 * 8 7 5 11 11 O 1.21352 * 120.00096 * 6.74260 * 10 8 7 12 12 N 1.34777 * 119.99821 * 186.74761 * 10 8 7 13 13 C 1.46918 * 120.63325 * 8.41858 * 12 10 8 14 14 C 1.53630 * 108.54322 * 126.37158 * 13 12 10 15 15 C 1.53041 * 109.24092 * 54.85970 * 14 13 12 16 16 C 1.53036 * 109.53714 * 298.51184 * 15 14 13 17 17 H 1.09003 * 109.49649 * 301.41819 * 16 15 14 18 18 C 1.50698 * 109.50117 * 181.31746 * 16 15 14 19 19 H 1.08001 * 119.99538 * 0.16385 * 18 16 15 20 20 C 1.37871 * 120.00571 * 180.15800 * 18 16 15 21 21 N 1.31515 * 119.99790 * 0.02562 * 20 18 16 22 22 Si 1.86792 * 120.00260 * 180.02562 * 20 18 16 23 23 H 1.48496 * 109.47589 * 60.00241 * 22 20 18 24 24 H 1.48506 * 109.47294 * 180.02562 * 22 20 18 25 25 H 1.48508 * 109.47309 * 300.00045 * 22 20 18 26 26 C 1.46934 * 120.62743 * 188.70406 * 12 10 8 27 27 C 1.53003 * 109.46981 * 300.00033 * 5 4 2 28 28 C 1.52999 * 109.47374 * 59.99651 * 27 5 4 29 29 H 1.09005 * 109.46665 * 59.99908 * 28 27 5 30 30 C 1.52996 * 109.47104 * 179.97438 * 28 27 5 31 31 C 1.53000 * 109.46999 * 239.99499 * 2 1 3 32 32 H 1.09005 * 109.46932 * 180.02562 * 1 2 3 33 33 H 1.09002 * 109.46763 * 299.99763 * 1 2 3 34 34 H 1.08992 * 109.46905 * 60.00025 * 1 2 3 35 35 H 1.08995 * 109.47073 * 299.99884 * 4 2 1 36 36 H 1.09005 * 109.47522 * 59.99947 * 4 2 1 37 37 H 0.96996 * 120.00530 * 265.00110 * 7 5 4 38 38 H 1.08996 * 109.59223 * 246.20841 * 13 12 10 39 39 H 1.09007 * 109.58899 * 6.63423 * 13 12 10 40 40 H 1.08996 * 109.63182 * 294.86743 * 14 13 12 41 41 H 1.09001 * 109.45504 * 174.74208 * 14 13 12 42 42 H 1.08995 * 109.45857 * 178.48819 * 15 14 13 43 43 H 1.08999 * 109.45030 * 58.52541 * 15 14 13 44 44 H 0.97003 * 120.00258 * 179.97438 * 21 20 18 45 45 H 1.08995 * 109.58739 * 353.36892 * 26 12 10 46 46 H 1.08999 * 109.58546 * 113.79778 * 26 12 10 47 47 H 1.09005 * 109.46923 * 299.99559 * 27 5 4 48 48 H 1.08997 * 109.47122 * 180.02562 * 27 5 4 49 49 H 1.09001 * 109.47299 * 180.02562 * 30 28 27 50 50 H 1.08997 * 109.47304 * 300.00413 * 30 28 27 51 51 H 1.09005 * 109.47387 * 60.00408 * 30 28 27 52 52 H 1.08995 * 109.47724 * 300.00245 * 31 2 1 53 53 H 1.09001 * 109.47113 * 60.00394 * 31 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 1.2493 5 6 3.5701 -0.7218 1.2489 6 1 3.9334 -1.2353 2.1392 7 7 4.0589 0.6592 1.2485 8 6 4.1881 1.3286 2.4112 9 8 3.8991 0.7875 3.4582 10 6 4.6862 2.7377 2.4107 11 8 4.8578 3.3203 1.3601 12 7 4.9449 3.3613 3.5772 13 6 4.9204 2.6186 4.8447 14 6 6.2538 2.8493 5.5720 15 6 6.4887 4.3533 5.7297 16 6 6.5750 5.0055 4.3480 17 1 7.3855 4.5486 3.7800 18 6 6.8385 6.4811 4.5037 19 1 6.9375 6.9107 5.4896 20 6 6.9533 7.2825 3.3878 21 7 6.8324 6.7593 2.1872 22 14 7.2807 9.1113 3.5809 23 1 8.5646 9.3113 4.2997 24 1 7.3598 9.7444 2.2399 25 1 6.1772 9.7326 4.3567 26 6 5.2508 4.7981 3.6061 27 6 4.0795 -1.4435 -0.0003 28 6 3.5695 -0.7223 -1.2496 29 1 3.9332 0.3053 -1.2498 30 6 4.0795 -1.4436 -2.4988 31 6 2.0400 -0.7214 -1.2492 32 1 -0.3633 -1.0277 0.0005 33 1 -0.3633 0.5138 0.8900 34 1 -0.3633 0.5138 -0.8899 35 1 1.6768 -0.2074 2.1392 36 1 1.6767 -1.7490 1.2493 37 1 4.2895 1.0919 0.4116 38 1 4.0972 2.9773 5.4625 39 1 4.7919 1.5552 4.6427 40 1 7.0672 2.4128 4.9926 41 1 6.2162 2.3818 6.5559 42 1 7.4209 4.5206 6.2692 43 1 5.6622 4.7932 6.2879 44 1 6.9128 7.3232 1.4020 45 1 5.3404 5.1732 2.5867 46 1 4.4540 5.3309 4.1250 47 1 3.7158 -2.4710 0.0000 48 1 5.1695 -1.4443 -0.0004 49 1 3.7165 -0.9295 -3.3888 50 1 5.1694 -1.4436 -2.4988 51 1 3.7161 -2.4713 -2.4988 52 1 1.6767 -1.7490 -1.2492 53 1 1.6767 -0.2076 -2.1392 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 ZINC001261700440.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 20:58:46 Heat of formation + Delta-G solvation = -91.480868 kcal Electronic energy + Delta-G solvation = -30893.522752 eV Core-core repulsion = 26957.049637 eV Total energy + Delta-G solvation = -3936.473115 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.02 seconds Orbital eigenvalues (eV) -40.78530 -39.44658 -37.88488 -36.78565 -34.44395 -33.72169 -33.19512 -31.71814 -30.52143 -29.72023 -26.88157 -26.57628 -25.90122 -24.97523 -23.20560 -21.91415 -21.79546 -20.81580 -20.30551 -19.22565 -18.84548 -17.23671 -16.54097 -16.15890 -15.81919 -15.43690 -15.34082 -15.10521 -14.75624 -14.49529 -14.24976 -13.82322 -13.77332 -13.34422 -13.32316 -12.88938 -12.86773 -12.70141 -12.54550 -12.52773 -12.27007 -12.13607 -12.06961 -11.97306 -11.76609 -11.46584 -11.31692 -11.02935 -10.95379 -10.71356 -10.66802 -10.45930 -10.43014 -10.27839 -10.21802 -10.10378 -9.85802 -9.21554 -9.14385 -9.09294 -8.54218 -8.43090 -7.79401 -6.00166 -4.08947 1.85441 2.76801 3.32087 3.37628 3.39295 3.67541 4.00500 4.37089 4.42546 4.43928 4.44238 4.75134 4.78943 4.81710 5.07589 5.12112 5.17899 5.29611 5.34486 5.39045 5.44453 5.45574 5.56761 5.60745 5.62332 5.66020 5.67217 5.70244 5.78642 5.88949 5.89354 5.98538 6.03425 6.08480 6.10357 6.21334 6.26390 6.29568 6.39047 6.57824 6.63097 6.73649 6.86716 7.00048 7.05893 7.20319 7.32099 7.60704 7.84488 7.96414 8.02232 8.19938 8.37171 8.61507 8.94801 9.56490 11.04970 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.015833 B = 0.002874 C = 0.002673 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1768.083412 B = 9741.363024 C =10470.990894 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.145 4.145 2 C -0.095 4.095 3 H 0.073 0.927 4 C -0.124 4.124 5 C 0.143 3.857 6 H 0.091 0.909 7 N -0.697 5.697 8 C 0.510 3.490 9 O -0.520 6.520 10 C 0.492 3.508 11 O -0.522 6.522 12 N -0.569 5.569 13 C 0.071 3.929 14 C -0.133 4.133 15 C -0.113 4.113 16 C 0.042 3.958 17 H 0.029 0.971 18 C -0.521 4.521 19 H 0.058 0.942 20 C 0.062 3.938 21 N -0.881 5.881 22 Si 0.893 3.107 23 H -0.277 1.277 24 H -0.287 1.287 25 H -0.277 1.277 26 C 0.108 3.892 27 C -0.122 4.122 28 C -0.098 4.098 29 H 0.072 0.928 30 C -0.146 4.146 31 C -0.107 4.107 32 H 0.052 0.948 33 H 0.054 0.946 34 H 0.053 0.947 35 H 0.069 0.931 36 H 0.072 0.928 37 H 0.411 0.589 38 H 0.059 0.941 39 H 0.127 0.873 40 H 0.057 0.943 41 H 0.059 0.941 42 H 0.050 0.950 43 H 0.049 0.951 44 H 0.264 0.736 45 H 0.124 0.876 46 H 0.047 0.953 47 H 0.079 0.921 48 H 0.071 0.929 49 H 0.055 0.945 50 H 0.056 0.944 51 H 0.054 0.946 52 H 0.062 0.938 53 H 0.062 0.938 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.440 -18.797 -5.498 21.741 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 -0.114 4.114 3 H 0.091 0.909 4 C -0.163 4.163 5 C 0.039 3.961 6 H 0.109 0.891 7 N -0.352 5.352 8 C 0.293 3.707 9 O -0.397 6.397 10 C 0.273 3.727 11 O -0.399 6.399 12 N -0.301 5.301 13 C -0.051 4.051 14 C -0.171 4.171 15 C -0.150 4.150 16 C 0.023 3.977 17 H 0.048 0.952 18 C -0.559 4.559 19 H 0.077 0.923 20 C -0.141 4.141 21 N -0.519 5.519 22 Si 0.721 3.279 23 H -0.203 1.203 24 H -0.213 1.213 25 H -0.203 1.203 26 C -0.012 4.012 27 C -0.159 4.159 28 C -0.116 4.116 29 H 0.090 0.910 30 C -0.203 4.203 31 C -0.145 4.145 32 H 0.071 0.929 33 H 0.073 0.927 34 H 0.073 0.927 35 H 0.088 0.912 36 H 0.090 0.910 37 H 0.248 0.752 38 H 0.078 0.922 39 H 0.144 0.856 40 H 0.076 0.924 41 H 0.078 0.922 42 H 0.069 0.931 43 H 0.068 0.932 44 H 0.074 0.926 45 H 0.142 0.858 46 H 0.066 0.934 47 H 0.098 0.902 48 H 0.090 0.910 49 H 0.074 0.926 50 H 0.075 0.925 51 H 0.073 0.927 52 H 0.081 0.919 53 H 0.081 0.919 Dipole moment (debyes) X Y Z Total from point charges -9.548 -18.806 -5.509 21.798 hybrid contribution 0.270 1.331 -0.206 1.373 sum -9.278 -17.475 -5.715 20.594 Atomic orbital electron populations 1.21801 0.95200 1.01523 1.01752 1.21138 0.95524 1.00202 0.94537 0.90860 1.21987 0.94696 1.01157 0.98452 1.21044 0.94022 0.81723 0.99297 0.89063 1.45985 1.65410 1.14235 1.09537 1.20745 0.78210 0.87775 0.83991 1.90455 1.49409 1.69596 1.30247 1.19872 0.80925 0.86585 0.85297 1.90770 1.51863 1.66706 1.30563 1.48430 1.64328 1.11994 1.05391 1.22785 0.97295 1.00351 0.84667 1.22032 0.97202 0.98663 0.99226 1.21657 1.00319 0.92883 1.00187 1.18948 0.92941 0.95542 0.90304 0.95240 1.21055 1.49764 0.92373 0.92717 0.92341 1.25058 0.94918 0.98720 0.95356 1.69875 1.48901 1.35592 0.97485 0.86639 0.78818 0.85254 0.77175 1.20278 1.21253 1.20251 1.22475 0.97851 0.74367 1.06473 1.21899 1.01225 0.99588 0.93227 1.21163 0.95793 1.00029 0.94653 0.90976 1.21808 1.01103 1.00238 0.97176 1.21650 0.94552 1.00640 0.97625 0.92851 0.92694 0.92743 0.91182 0.90979 0.75158 0.92247 0.85615 0.92444 0.92198 0.93084 0.93193 0.92604 0.85821 0.93418 0.90234 0.91019 0.92576 0.92534 0.92729 0.91910 0.91893 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 9.19 37.16 0.34 -0.87 16 2 C -0.10 -0.87 2.56 -90.62 -0.23 -1.11 16 3 H 0.07 0.82 7.60 -51.93 -0.39 0.42 16 4 C -0.12 -1.19 4.88 -26.73 -0.13 -1.32 16 5 C 0.14 1.45 2.78 -67.93 -0.19 1.26 16 6 H 0.09 0.99 7.58 -51.93 -0.39 0.60 16 7 N -0.70 -9.03 4.22 -54.23 -0.23 -9.26 16 8 C 0.51 8.39 7.71 -11.58 -0.09 8.30 16 9 O -0.52 -8.80 12.84 5.49 0.07 -8.73 16 10 C 0.49 10.01 7.73 -11.59 -0.09 9.92 16 11 O -0.52 -12.02 15.93 5.50 0.09 -11.94 16 12 N -0.57 -11.98 2.97 -173.01 -0.51 -12.50 16 13 C 0.07 1.28 6.01 -3.49 -0.02 1.26 16 14 C -0.13 -2.36 6.10 -26.38 -0.16 -2.52 16 15 C -0.11 -2.33 5.10 -26.69 -0.14 -2.47 16 16 C 0.04 1.05 2.25 -91.65 -0.21 0.84 16 17 H 0.03 0.82 8.14 -51.93 -0.42 0.40 16 18 C -0.52 -14.15 8.56 -34.44 -0.29 -14.45 16 19 H 0.06 1.55 7.74 -52.49 -0.41 1.15 16 20 C 0.06 1.72 5.30 -17.82 -0.09 1.62 16 21 N -0.88 -25.47 11.39 55.43 0.63 -24.84 16 22 Si 0.89 21.22 29.54 -169.99 -5.02 16.20 16 23 H -0.28 -6.51 7.11 56.52 0.40 -6.11 16 24 H -0.29 -6.80 7.11 56.52 0.40 -6.40 16 25 H -0.28 -6.49 7.11 56.52 0.40 -6.08 16 26 C 0.11 2.64 5.41 -3.71 -0.02 2.62 16 27 C -0.12 -0.96 4.89 -26.73 -0.13 -1.09 16 28 C -0.10 -0.77 2.55 -90.65 -0.23 -1.00 16 29 H 0.07 0.66 6.51 -51.93 -0.34 0.33 16 30 C -0.15 -1.01 9.19 37.16 0.34 -0.67 16 31 C -0.11 -0.83 4.48 -26.76 -0.12 -0.95 16 32 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 33 H 0.05 0.49 8.14 -51.93 -0.42 0.07 16 34 H 0.05 0.43 8.14 -51.93 -0.42 0.01 16 35 H 0.07 0.81 8.14 -51.93 -0.42 0.38 16 36 H 0.07 0.57 8.14 -51.93 -0.42 0.15 16 37 H 0.41 5.26 6.36 -40.82 -0.26 5.00 16 38 H 0.06 1.03 8.14 -51.93 -0.42 0.60 16 39 H 0.13 2.19 4.31 -54.83 -0.24 1.95 16 40 H 0.06 1.05 8.14 -51.93 -0.42 0.62 16 41 H 0.06 0.90 8.14 -51.93 -0.42 0.47 16 42 H 0.05 1.03 8.14 -51.93 -0.42 0.61 16 43 H 0.05 1.01 8.14 -51.93 -0.42 0.59 16 44 H 0.26 7.35 8.31 -40.82 -0.34 7.01 16 45 H 0.12 3.46 5.12 -51.93 -0.27 3.19 16 46 H 0.05 1.16 8.14 -51.93 -0.42 0.74 16 47 H 0.08 0.52 8.14 -51.93 -0.42 0.10 16 48 H 0.07 0.58 8.14 -51.93 -0.42 0.16 16 49 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 50 H 0.06 0.39 8.14 -51.93 -0.42 -0.03 16 51 H 0.05 0.33 8.14 -51.93 -0.42 -0.09 16 52 H 0.06 0.44 8.14 -51.93 -0.42 0.01 16 53 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 LS Contribution 401.14 15.07 6.05 6.05 Total: -1.00 -29.92 401.14 -9.85 -39.77 By element: Atomic # 1 Polarization: 15.31 SS G_CDS: -9.46 Total: 5.84 kcal Atomic # 6 Polarization: 0.86 SS G_CDS: -1.46 Total: -0.60 kcal Atomic # 7 Polarization: -46.48 SS G_CDS: -0.11 Total: -46.59 kcal Atomic # 8 Polarization: -20.82 SS G_CDS: 0.16 Total: -20.66 kcal Atomic # 14 Polarization: 21.22 SS G_CDS: -5.02 Total: 16.20 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -29.92 -9.85 -39.77 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. ZINC001261700440.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 -51.707 kcal (2) G-P(sol) polarization free energy of solvation -29.920 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -81.628 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.853 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.773 kcal (6) G-S(sol) free energy of system = (1) + (5) -91.481 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.02 seconds