Wall clock time and date at job start Tue Mar 31 2020 19:44:44 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 C 1.53003 * 109.47030 * 2 1 4 4 C 1.53007 * 109.47062 * 179.97438 * 3 2 1 5 5 C 1.53003 * 109.47062 * 179.97438 * 4 3 2 6 6 N 1.46892 * 109.46983 * 180.02562 * 5 4 3 7 7 C 1.46837 * 111.00249 * 293.95345 * 6 5 4 8 8 C 1.53046 * 109.64264 * 173.77526 * 7 6 5 9 9 C 1.53234 * 109.19514 * 59.63227 * 8 7 6 10 10 C 1.52522 * 109.19065 * 303.23271 * 9 8 7 11 11 C 1.53738 * 110.31324 * 178.71640 * 10 9 8 12 12 C 1.51454 * 103.36350 * 118.65935 * 11 10 9 13 13 O 1.21228 * 125.41002 * 179.97438 * 12 11 10 14 14 N 1.33954 * 109.17554 * 0.02562 * 12 11 10 15 15 C 1.46494 * 122.78722 * 179.97438 * 14 12 11 16 16 C 1.53001 * 109.47173 * 89.97066 * 15 14 12 17 17 C 1.50697 * 109.46993 * 180.02562 * 16 15 14 18 18 H 1.08005 * 120.00667 * 0.02562 * 17 16 15 19 19 C 1.37881 * 119.99882 * 180.02562 * 17 16 15 20 20 N 1.31507 * 120.00106 * 0.02562 * 19 17 16 21 21 Si 1.86807 * 120.00065 * 180.02562 * 19 17 16 22 22 H 1.48496 * 109.46875 * 60.00132 * 21 19 17 23 23 H 1.48495 * 109.47029 * 180.02562 * 21 19 17 24 24 H 1.48498 * 109.46934 * 300.00500 * 21 19 17 25 25 C 1.34049 * 114.43020 * 359.97438 * 14 12 11 26 26 O 1.21228 * 125.50010 * 180.02562 * 25 14 12 27 27 C 1.46960 * 111.00030 * 169.81012 * 6 5 4 28 28 H 1.08999 * 109.47084 * 180.02562 * 1 2 3 29 29 H 1.09000 * 109.47204 * 300.00007 * 1 2 3 30 30 H 1.09003 * 109.47250 * 59.99991 * 1 2 3 31 31 H 1.09000 * 109.47204 * 239.99993 * 2 1 3 32 32 H 1.08997 * 109.47391 * 119.99578 * 2 1 3 33 33 H 1.09000 * 109.47133 * 59.99949 * 3 2 1 34 34 H 1.08999 * 109.47319 * 299.99613 * 3 2 1 35 35 H 1.09000 * 109.46887 * 60.00167 * 4 3 2 36 36 H 1.08999 * 109.47039 * 300.00153 * 4 3 2 37 37 H 1.09004 * 109.46908 * 59.99869 * 5 4 3 38 38 H 1.09003 * 109.47111 * 300.00462 * 5 4 3 39 39 H 1.08999 * 109.44203 * 53.72513 * 7 6 5 40 40 H 1.08994 * 109.41835 * 293.80989 * 7 6 5 41 41 H 1.08994 * 109.52376 * 179.54916 * 8 7 6 42 42 H 1.09000 * 109.51950 * 299.72135 * 8 7 6 43 43 H 1.09001 * 109.51584 * 63.14902 * 9 8 7 44 44 H 1.08999 * 109.51890 * 183.31985 * 9 8 7 45 45 H 1.09001 * 110.64017 * 237.13140 * 11 10 9 46 46 H 1.08998 * 110.63800 * 0.03090 * 11 10 9 47 47 H 1.09004 * 109.47650 * 209.97763 * 15 14 12 48 48 H 1.09003 * 109.47122 * 329.97650 * 15 14 12 49 49 H 1.08999 * 109.47414 * 300.00371 * 16 15 14 50 50 H 1.08998 * 109.46632 * 60.00753 * 16 15 14 51 51 H 0.96998 * 120.00354 * 179.97438 * 20 19 17 52 52 H 1.09005 * 109.45473 * 304.85755 * 27 6 5 53 53 H 1.08996 * 109.45413 * 64.79240 * 27 6 5 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 6 2.0400 1.4425 0.0000 4 6 3.5700 1.4425 0.0006 5 6 4.0800 2.8851 0.0000 6 7 5.5489 2.8851 0.0000 7 6 6.0752 2.3291 1.2530 8 6 7.5973 2.1997 1.1592 9 6 8.2060 3.5834 0.9085 10 6 7.5948 4.1785 -0.3558 11 6 8.1649 5.5826 -0.6144 12 6 8.8491 5.4407 -1.9581 13 8 9.4366 6.3245 -2.5440 14 7 8.7010 4.1837 -2.3966 15 6 9.2493 3.7191 -3.6732 16 6 10.6654 3.1825 -3.4550 17 6 11.2295 2.7052 -4.7683 18 1 10.6375 2.7777 -5.6688 19 6 12.5016 2.1758 -4.8205 20 7 13.2224 2.0870 -3.7241 21 14 13.2013 1.5848 -6.4486 22 1 13.2441 2.7166 -7.4090 23 1 14.5752 1.0627 -6.2366 24 1 12.3405 0.5048 -6.9944 25 6 8.0095 3.3861 -1.5705 26 8 7.7581 2.2167 -1.7676 27 6 6.0756 4.2353 -0.2433 28 1 -0.3633 -1.0277 0.0005 29 1 -0.3633 0.5138 0.8900 30 1 -0.3634 0.5138 -0.8900 31 1 1.8933 -0.5138 -0.8900 32 1 1.8933 -0.5137 0.8900 33 1 1.6766 1.9564 0.8900 34 1 1.6767 1.9564 -0.8900 35 1 3.9337 0.9286 -0.8891 36 1 3.9330 0.9288 0.8908 37 1 3.7162 3.3994 0.8896 38 1 3.7170 3.3984 -0.8904 39 1 5.6375 1.3459 1.4257 40 1 5.8177 2.9912 2.0796 41 1 7.9867 1.7944 2.0931 42 1 7.8562 1.5335 0.3362 43 1 7.9934 4.2339 1.7569 44 1 9.2846 3.4893 0.7821 45 1 7.3630 6.3191 -0.6673 46 1 8.8836 5.8538 0.1588 47 1 8.6176 2.9258 -4.0729 48 1 9.2801 4.5492 -4.3790 49 1 11.2971 3.9758 -3.0555 50 1 10.6345 2.3524 -2.7493 51 1 14.1171 1.7143 -3.7607 52 1 5.6573 4.6265 -1.1708 53 1 5.7971 4.8881 0.5839 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 ZINC001272471442.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 19:44:44 Heat of formation + Delta-G solvation = -89.678964 kcal Electronic energy + Delta-G solvation = -30390.039446 eV Core-core repulsion = 26453.644467 eV Total energy + Delta-G solvation = -3936.394979 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.86 seconds Orbital eigenvalues (eV) -41.93084 -39.09071 -37.85535 -36.35146 -35.40766 -34.57441 -33.24686 -32.23456 -30.90974 -29.88317 -27.63563 -26.44984 -25.21059 -24.12204 -23.62985 -22.24783 -21.75909 -21.35690 -20.72816 -20.25657 -18.35328 -16.94031 -16.31446 -16.17197 -16.10306 -15.94569 -15.68322 -15.06680 -14.64484 -14.55702 -14.35351 -14.14433 -14.09139 -13.81041 -13.59671 -13.41855 -13.23242 -13.02150 -12.88905 -12.50454 -12.46371 -12.31414 -12.20576 -12.06969 -11.68577 -11.48950 -11.28283 -11.20488 -11.10401 -11.03212 -10.92295 -10.82032 -10.78001 -10.54275 -10.45396 -10.12621 -10.04479 -9.87993 -9.40601 -9.20635 -8.79455 -8.37530 -8.36565 -6.01694 -4.05135 1.94606 3.02942 3.18125 3.35304 3.38749 3.41977 3.57966 4.18864 4.34606 4.43825 4.46665 4.47951 4.57655 4.64849 4.82992 4.89955 4.91731 4.96765 5.05934 5.12871 5.24702 5.26997 5.28906 5.34773 5.35914 5.38909 5.47507 5.49062 5.51891 5.57526 5.62072 5.64777 5.73743 5.77413 5.80808 5.87428 5.94222 6.00228 6.05015 6.08331 6.09537 6.18522 6.36761 6.40885 6.71673 6.91181 6.98233 7.32618 7.60147 7.74606 7.80814 7.94636 8.25467 8.37896 8.99641 9.58594 11.10002 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.012384 B = 0.002712 C = 0.002442 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2260.349989 B =10322.435368 C =11464.160307 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C -0.125 4.125 3 C -0.118 4.118 4 C -0.117 4.117 5 C 0.059 3.941 6 N -0.529 5.529 7 C 0.060 3.940 8 C -0.127 4.127 9 C -0.100 4.100 10 C -0.094 4.094 11 C -0.152 4.152 12 C 0.524 3.476 13 O -0.486 6.486 14 N -0.569 5.569 15 C 0.102 3.898 16 C 0.015 3.985 17 C -0.521 4.521 18 H 0.058 0.942 19 C 0.059 3.941 20 N -0.893 5.893 21 Si 0.897 3.103 22 H -0.276 1.276 23 H -0.287 1.287 24 H -0.276 1.276 25 C 0.538 3.462 26 O -0.449 6.449 27 C 0.081 3.919 28 H 0.052 0.948 29 H 0.052 0.948 30 H 0.053 0.947 31 H 0.063 0.937 32 H 0.060 0.940 33 H 0.058 0.942 34 H 0.061 0.939 35 H 0.074 0.926 36 H 0.062 0.938 37 H 0.030 0.970 38 H 0.072 0.928 39 H 0.078 0.922 40 H 0.029 0.971 41 H 0.069 0.931 42 H 0.092 0.908 43 H 0.075 0.925 44 H 0.075 0.925 45 H 0.114 0.886 46 H 0.118 0.882 47 H 0.080 0.920 48 H 0.079 0.921 49 H 0.021 0.979 50 H 0.021 0.979 51 H 0.262 0.738 52 H 0.079 0.921 53 H 0.048 0.952 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -22.290 2.583 14.557 26.747 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 -0.210 4.210 2 C -0.163 4.163 3 C -0.156 4.156 4 C -0.155 4.155 5 C -0.069 4.069 6 N -0.253 5.253 7 C -0.068 4.068 8 C -0.165 4.165 9 C -0.138 4.138 10 C -0.098 4.098 11 C -0.192 4.192 12 C 0.312 3.688 13 O -0.358 6.358 14 N -0.311 5.311 15 C -0.017 4.017 16 C -0.022 4.022 17 C -0.560 4.560 18 H 0.076 0.924 19 C -0.142 4.142 20 N -0.531 5.531 21 Si 0.725 3.275 22 H -0.201 1.201 23 H -0.212 1.212 24 H -0.201 1.201 25 C 0.325 3.675 26 O -0.318 6.318 27 C -0.048 4.048 28 H 0.071 0.929 29 H 0.071 0.929 30 H 0.072 0.928 31 H 0.082 0.918 32 H 0.079 0.921 33 H 0.077 0.923 34 H 0.080 0.920 35 H 0.093 0.907 36 H 0.081 0.919 37 H 0.048 0.952 38 H 0.091 0.909 39 H 0.096 0.904 40 H 0.047 0.953 41 H 0.088 0.912 42 H 0.110 0.890 43 H 0.093 0.907 44 H 0.093 0.907 45 H 0.133 0.867 46 H 0.137 0.863 47 H 0.099 0.901 48 H 0.098 0.902 49 H 0.039 0.961 50 H 0.040 0.960 51 H 0.072 0.928 52 H 0.097 0.903 53 H 0.066 0.934 Dipole moment (debyes) X Y Z Total from point charges -21.774 2.023 13.769 25.842 hybrid contribution 0.325 0.238 -0.233 0.465 sum -21.449 2.261 13.536 25.464 Atomic orbital electron populations 1.21780 0.96069 1.01510 1.01663 1.21523 0.95620 0.96937 1.02195 1.21579 0.95388 0.96823 1.01813 1.21623 0.94499 0.96275 1.03124 1.22087 0.86830 0.97467 1.00474 1.61839 1.07008 1.21002 1.35406 1.22093 0.95742 0.99769 0.89183 1.21741 0.94166 0.97361 1.03226 1.21459 1.00632 0.97297 0.94416 1.21142 0.97328 0.94779 0.96573 1.22576 1.02428 0.97340 0.96902 1.20631 0.78944 0.81827 0.87368 1.90755 1.39951 1.43035 1.62067 1.47072 1.49093 1.12428 1.22549 1.22210 0.98652 0.99762 0.81085 1.19352 0.88396 0.96393 0.98085 1.20976 0.99925 1.41326 0.93767 0.92384 1.24995 0.96936 0.95688 0.96624 1.69955 1.10629 1.45279 1.27281 0.86573 0.78049 0.79151 0.83756 1.20115 1.21236 1.20104 1.20113 0.76696 0.86648 0.84057 1.90715 1.51894 1.13855 1.75314 1.21832 0.91305 0.90182 1.01462 0.92870 0.92930 0.92783 0.91831 0.92117 0.92348 0.92003 0.90722 0.91911 0.95151 0.90930 0.90360 0.95287 0.91194 0.88965 0.90680 0.90654 0.86742 0.86342 0.90112 0.90250 0.96112 0.96033 0.92830 0.90307 0.93370 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 -0.95 9.91 37.16 0.37 -0.58 16 2 C -0.13 -0.88 5.93 -26.73 -0.16 -1.04 16 3 C -0.12 -0.84 5.22 -26.73 -0.14 -0.98 16 4 C -0.12 -1.01 5.15 -26.73 -0.14 -1.14 16 5 C 0.06 0.52 4.96 -3.83 -0.02 0.51 16 6 N -0.53 -5.77 4.02 -234.96 -0.94 -6.72 16 7 C 0.06 0.59 5.28 -3.83 -0.02 0.57 16 8 C -0.13 -1.43 5.81 -26.59 -0.15 -1.59 16 9 C -0.10 -1.09 4.60 -26.85 -0.12 -1.21 16 10 C -0.09 -1.13 0.69 -155.74 -0.11 -1.24 16 11 C -0.15 -1.70 6.30 -27.13 -0.17 -1.87 16 12 C 0.52 8.95 8.09 -10.98 -0.09 8.86 16 13 O -0.49 -9.97 17.48 5.60 0.10 -9.87 16 14 N -0.57 -10.68 2.56 -115.41 -0.30 -10.98 16 15 C 0.10 2.26 5.50 -4.04 -0.02 2.24 16 16 C 0.02 0.42 5.30 -27.88 -0.15 0.27 16 17 C -0.52 -15.12 9.11 -34.44 -0.31 -15.43 16 18 H 0.06 1.61 7.74 -52.48 -0.41 1.20 16 19 C 0.06 1.74 5.46 -17.82 -0.10 1.65 16 20 N -0.89 -27.40 13.29 55.43 0.74 -26.66 16 21 Si 0.90 22.10 29.54 -169.99 -5.02 17.08 16 22 H -0.28 -6.65 7.11 56.52 0.40 -6.25 16 23 H -0.29 -6.96 7.11 56.52 0.40 -6.56 16 24 H -0.28 -6.65 7.11 56.52 0.40 -6.25 16 25 C 0.54 9.21 6.52 -11.24 -0.07 9.13 16 26 O -0.45 -8.97 15.01 5.60 0.08 -8.89 16 27 C 0.08 0.82 4.00 -4.08 -0.02 0.80 16 28 H 0.05 0.31 8.14 -51.93 -0.42 -0.11 16 29 H 0.05 0.30 8.14 -51.93 -0.42 -0.12 16 30 H 0.05 0.33 8.14 -51.93 -0.42 -0.09 16 31 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 32 H 0.06 0.42 8.14 -51.93 -0.42 0.00 16 33 H 0.06 0.39 8.14 -51.93 -0.42 -0.04 16 34 H 0.06 0.44 8.14 -51.93 -0.42 0.02 16 35 H 0.07 0.78 8.14 -51.93 -0.42 0.36 16 36 H 0.06 0.53 6.43 -51.93 -0.33 0.20 16 37 H 0.03 0.24 8.12 -51.93 -0.42 -0.18 16 38 H 0.07 0.64 8.00 -51.93 -0.42 0.23 16 39 H 0.08 0.75 6.21 -51.93 -0.32 0.42 16 40 H 0.03 0.25 8.14 -51.93 -0.42 -0.17 16 41 H 0.07 0.66 8.14 -51.93 -0.42 0.24 16 42 H 0.09 1.37 6.25 -51.93 -0.32 1.04 16 43 H 0.07 0.61 8.14 -51.93 -0.42 0.19 16 44 H 0.07 0.91 8.14 -51.93 -0.42 0.49 16 45 H 0.11 0.95 7.72 -51.93 -0.40 0.55 16 46 H 0.12 1.11 7.72 -51.93 -0.40 0.71 16 47 H 0.08 1.77 7.84 -51.93 -0.41 1.36 16 48 H 0.08 1.74 7.83 -51.93 -0.41 1.33 16 49 H 0.02 0.60 8.14 -51.93 -0.42 0.18 16 50 H 0.02 0.62 8.14 -51.93 -0.42 0.20 16 51 H 0.26 7.57 8.31 -40.82 -0.34 7.23 16 52 H 0.08 0.80 8.03 -51.93 -0.42 0.38 16 53 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 LS Contribution 413.36 15.07 6.23 6.23 Total: -1.00 -34.03 413.36 -10.27 -44.30 By element: Atomic # 1 Polarization: 6.31 SS G_CDS: -9.73 Total: -3.43 kcal Atomic # 6 Polarization: 0.36 SS G_CDS: -1.42 Total: -1.06 kcal Atomic # 7 Polarization: -43.85 SS G_CDS: -0.50 Total: -44.36 kcal Atomic # 8 Polarization: -18.94 SS G_CDS: 0.18 Total: -18.76 kcal Atomic # 14 Polarization: 22.10 SS G_CDS: -5.02 Total: 17.08 kcal Total LS contribution 6.23 Total: 6.23 kcal Total: -34.03 -10.27 -44.30 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. ZINC001272471442.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 -45.383 kcal (2) G-P(sol) polarization free energy of solvation -34.027 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -79.410 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.269 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.296 kcal (6) G-S(sol) free energy of system = (1) + (5) -89.679 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.86 seconds