Wall clock time and date at job start Sat Apr 11 2020 06:12:16 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 C 1.53003 * 1 3 3 O 1.42900 * 109.46833 * 2 1 4 4 C 1.42900 * 113.99872 * 175.28537 * 3 2 1 5 5 H 1.08997 * 109.47214 * 14.67002 * 4 3 2 6 6 C 1.50693 * 109.47514 * 134.67780 * 4 3 2 7 7 O 1.21284 * 119.99820 * 7.69032 * 6 4 3 8 8 N 1.34774 * 119.99994 * 187.69757 * 6 4 3 9 9 C 1.47418 * 125.65150 * 6.17052 * 8 6 4 10 10 C 1.54909 * 104.83769 * 155.90988 * 9 8 6 11 11 C 1.55161 * 101.58261 * 37.00699 * 10 9 8 12 12 C 1.47028 * 125.64864 * 186.21407 * 8 6 4 13 13 H 1.08998 * 109.88011 * 300.59268 * 12 8 6 14 14 C 1.53001 * 109.88407 * 61.60095 * 12 8 6 15 15 N 1.46494 * 109.47289 * 283.89022 * 14 12 8 16 16 C 1.36936 * 120.00388 * 172.03087 * 15 14 12 17 17 H 1.08005 * 119.99691 * 359.97438 * 16 15 14 18 18 C 1.38809 * 120.00217 * 179.97438 * 16 15 14 19 19 N 1.31618 * 120.00300 * 359.97438 * 18 16 15 20 20 Si 1.86807 * 120.00004 * 179.97438 * 18 16 15 21 21 H 1.48497 * 109.47108 * 180.02562 * 20 18 16 22 22 H 1.48505 * 109.46992 * 300.00214 * 20 18 16 23 23 H 1.48505 * 109.46933 * 59.99800 * 20 18 16 24 24 C 1.53001 * 109.46634 * 254.67591 * 4 3 2 25 25 C 1.53179 * 109.54659 * 64.13817 * 24 4 3 26 26 C 1.53102 * 109.15759 * 183.23878 * 25 24 4 27 27 O 1.42898 * 109.48474 * 57.47775 * 26 25 24 28 28 C 1.42904 * 114.09515 * 298.88200 * 27 26 25 29 29 C 1.53090 * 109.41344 * 61.16682 * 28 27 26 30 30 H 1.08996 * 109.46919 * 300.00002 * 1 2 3 31 31 H 1.09001 * 109.47071 * 60.00369 * 1 2 3 32 32 H 1.09002 * 109.47102 * 180.02562 * 1 2 3 33 33 H 1.08996 * 109.46919 * 239.99998 * 2 1 3 34 34 H 1.09001 * 109.47071 * 119.99631 * 2 1 3 35 35 H 1.09006 * 110.36536 * 274.74462 * 9 8 6 36 36 H 1.08996 * 110.36679 * 36.95612 * 9 8 6 37 37 H 1.08999 * 111.00740 * 155.08365 * 10 9 8 38 38 H 1.09002 * 111.00436 * 278.89959 * 10 9 8 39 39 H 1.08994 * 110.72179 * 206.13726 * 11 10 9 40 40 H 1.09002 * 110.71770 * 82.86246 * 11 10 9 41 41 H 1.09000 * 109.47020 * 163.88581 * 14 12 8 42 42 H 1.09000 * 109.46728 * 43.88470 * 14 12 8 43 43 H 0.97008 * 120.00360 * 352.02683 * 15 14 12 44 44 H 0.97001 * 119.99774 * 0.02562 * 19 18 16 45 45 H 1.09007 * 109.54097 * 184.31461 * 24 4 3 46 46 H 1.09001 * 109.52271 * 303.05913 * 25 24 4 47 47 H 1.09001 * 109.52312 * 63.24330 * 25 24 4 48 48 H 1.08996 * 109.40912 * 297.48933 * 26 25 24 49 49 H 1.09004 * 109.48808 * 177.51130 * 26 25 24 50 50 H 1.09000 * 109.48371 * 301.17915 * 28 27 26 51 51 H 1.09005 * 109.48679 * 181.15053 * 28 27 26 52 52 H 1.09004 * 109.52284 * 182.48511 * 29 28 27 53 53 H 1.09001 * 109.57961 * 62.32437 * 29 28 27 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 8 2.0063 1.3473 0.0000 4 6 3.4267 1.4616 0.1073 5 1 3.8852 0.4930 -0.0916 6 6 3.9267 2.4695 -0.8952 7 8 3.1372 3.1352 -1.5312 8 7 5.2512 2.6311 -1.0851 9 6 6.3128 1.8064 -0.4800 10 6 7.5234 1.9549 -1.4351 11 6 7.4030 3.4418 -1.8618 12 6 5.8767 3.6595 -1.9294 13 1 5.5303 3.5559 -2.9576 14 6 5.5256 5.0515 -1.4001 15 7 4.1462 5.3802 -1.7679 16 6 3.5532 6.5070 -1.2642 17 1 4.1024 7.1533 -0.5955 18 6 2.2464 6.8188 -1.6132 19 7 1.5772 6.0315 -2.4285 20 14 1.4372 8.3557 -0.9255 21 1 0.0507 8.4606 -1.4467 22 1 1.4036 8.2763 0.5570 23 1 2.2142 9.5516 -1.3396 24 6 3.7960 1.9204 1.5194 25 6 3.3804 0.8485 2.5317 26 6 3.6799 1.3507 3.9466 27 8 2.9921 2.5830 4.1706 28 6 3.3767 3.6354 3.2836 29 6 3.0629 3.2261 1.8422 30 1 -0.3633 0.5138 0.8900 31 1 -0.3633 0.5138 -0.8900 32 1 -0.3633 -1.0277 0.0005 33 1 1.8933 -0.5138 -0.8900 34 1 1.8934 -0.5138 0.8900 35 1 6.5646 2.1806 0.5124 36 1 5.9979 0.7645 -0.4232 37 1 8.4607 1.7741 -0.9090 38 1 7.4262 1.2921 -2.2950 39 1 7.8589 3.6008 -2.8389 40 1 7.8530 4.0952 -1.1142 41 1 6.2026 5.7868 -1.8347 42 1 5.6247 5.0630 -0.3147 43 1 3.6527 4.7996 -2.3683 44 1 1.9972 5.2332 -2.7853 45 1 4.8724 2.0818 1.5805 46 1 2.3129 0.6507 2.4350 47 1 3.9401 -0.0675 2.3427 48 1 4.7529 1.5081 4.0556 49 1 3.3456 0.6104 4.6736 50 1 4.4458 3.8228 3.3838 51 1 2.8239 4.5412 3.5328 52 1 3.3959 4.0088 1.1606 53 1 1.9889 3.0781 1.7301 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 ZINC001714344227.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 06:12:16 Heat of formation + Delta-G solvation = -105.232952 kcal Electronic energy + Delta-G solvation = -33504.514132 eV Core-core repulsion = 29376.988630 eV Total energy + Delta-G solvation = -4127.525502 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.48888 -39.15104 -37.93701 -36.62927 -34.55114 -33.99347 -31.57428 -31.22480 -31.20856 -30.87573 -28.57904 -27.60848 -24.80112 -23.95480 -23.52111 -22.79404 -22.56709 -21.64587 -20.96743 -20.04434 -18.68267 -17.26899 -16.79454 -16.58203 -16.46887 -16.00240 -15.85705 -15.41201 -15.25269 -14.69403 -14.24421 -14.12257 -13.86109 -13.66414 -13.48684 -13.43814 -13.29724 -13.07563 -12.73051 -12.60289 -12.44343 -12.21530 -12.02503 -11.95738 -11.70772 -11.56579 -11.40855 -11.25342 -11.06776 -10.93030 -10.88853 -10.64111 -10.57150 -10.54125 -10.28798 -10.16973 -9.82457 -9.77940 -9.44908 -8.94058 -8.75096 -8.62548 -8.18007 -6.61763 -5.76195 -2.72846 2.96229 3.18713 3.64227 3.69476 3.86885 3.90120 3.93989 4.47047 4.51234 4.62267 4.67027 4.77813 4.86626 4.90531 4.94337 5.01673 5.10603 5.13939 5.23741 5.26427 5.31635 5.35106 5.36312 5.46851 5.48432 5.53284 5.61003 5.66882 5.67818 5.70898 5.77655 5.80545 5.88254 5.93733 5.95698 5.98091 6.02507 6.14345 6.17071 6.21807 6.38773 6.40361 6.45224 6.71048 6.79026 6.91339 7.24745 7.26528 7.90367 8.06358 8.74335 9.15595 9.68029 10.51486 10.68331 11.74365 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.007894 B = 0.005418 C = 0.004417 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3546.130972 B = 5166.609418 C = 6338.072709 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.151 4.151 2 C 0.053 3.947 3 O -0.342 6.342 4 C 0.090 3.910 5 H 0.075 0.925 6 C 0.514 3.486 7 O -0.457 6.457 8 N -0.618 5.618 9 C 0.099 3.901 10 C -0.131 4.131 11 C -0.123 4.123 12 C 0.130 3.870 13 H 0.071 0.929 14 C 0.153 3.847 15 N -0.732 5.732 16 C -0.333 4.333 17 H 0.053 0.947 18 C -0.040 4.040 19 N -0.939 5.939 20 Si 1.073 2.927 21 H -0.287 1.287 22 H -0.299 1.299 23 H -0.299 1.299 24 C -0.095 4.095 25 C -0.153 4.153 26 C 0.065 3.935 27 O -0.384 6.384 28 C 0.064 3.936 29 C -0.146 4.146 30 H 0.064 0.936 31 H 0.067 0.933 32 H 0.067 0.933 33 H 0.044 0.956 34 H 0.047 0.953 35 H 0.064 0.936 36 H 0.067 0.933 37 H 0.080 0.920 38 H 0.074 0.926 39 H 0.080 0.920 40 H 0.078 0.922 41 H 0.016 0.984 42 H 0.018 0.982 43 H 0.382 0.618 44 H 0.265 0.735 45 H 0.080 0.920 46 H 0.079 0.921 47 H 0.068 0.932 48 H 0.046 0.954 49 H 0.090 0.910 50 H 0.045 0.955 51 H 0.096 0.904 52 H 0.088 0.912 53 H 0.083 0.917 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 11.009 -17.356 9.016 22.443 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 -0.208 4.208 2 C -0.024 4.024 3 O -0.260 6.260 4 C 0.028 3.972 5 H 0.092 0.908 6 C 0.299 3.701 7 O -0.326 6.326 8 N -0.358 5.358 9 C -0.024 4.024 10 C -0.170 4.170 11 C -0.162 4.162 12 C 0.027 3.973 13 H 0.089 0.911 14 C 0.024 3.976 15 N -0.383 5.383 16 C -0.465 4.465 17 H 0.071 0.929 18 C -0.239 4.239 19 N -0.584 5.584 20 Si 0.906 3.094 21 H -0.212 1.212 22 H -0.227 1.227 23 H -0.227 1.227 24 C -0.114 4.114 25 C -0.190 4.190 26 C -0.012 4.012 27 O -0.303 6.303 28 C -0.012 4.012 29 C -0.183 4.183 30 H 0.083 0.917 31 H 0.086 0.914 32 H 0.086 0.914 33 H 0.062 0.938 34 H 0.066 0.934 35 H 0.082 0.918 36 H 0.086 0.914 37 H 0.099 0.901 38 H 0.092 0.908 39 H 0.098 0.902 40 H 0.096 0.904 41 H 0.033 0.967 42 H 0.036 0.964 43 H 0.222 0.778 44 H 0.077 0.923 45 H 0.098 0.902 46 H 0.098 0.902 47 H 0.086 0.914 48 H 0.064 0.936 49 H 0.108 0.892 50 H 0.064 0.936 51 H 0.114 0.886 52 H 0.106 0.894 53 H 0.102 0.898 Dipole moment (debyes) X Y Z Total from point charges 8.827 -15.766 8.931 20.155 hybrid contribution 1.867 -1.346 -0.269 2.317 sum 10.694 -17.112 8.662 21.959 Atomic orbital electron populations 1.21712 0.93465 1.01783 1.03807 1.22648 0.96151 0.84142 0.99442 1.88163 1.18282 1.25386 1.94136 1.21816 0.83923 0.97534 0.93934 0.90760 1.20074 0.80914 0.84831 0.84264 1.90793 1.53164 1.43224 1.45372 1.48452 1.04474 1.33458 1.49377 1.22285 0.88205 0.95053 0.96892 1.22752 0.97593 0.97192 0.99417 1.22623 0.94858 0.96106 1.02601 1.21885 0.91380 0.89200 0.94853 0.91080 1.20907 0.89108 0.90875 0.96725 1.42686 1.09404 1.28506 1.57717 1.19869 0.98525 1.01486 1.26574 0.92919 1.25524 0.93548 1.04659 1.00198 1.70702 1.39249 1.15239 1.33163 0.83360 0.76218 0.74817 0.75046 1.21219 1.22663 1.22684 1.21553 1.00393 0.96724 0.92737 1.22319 1.03114 0.97947 0.95633 1.22471 0.96099 0.86815 0.95836 1.87921 1.65220 1.20255 1.56913 1.22613 0.99240 0.90102 0.89243 1.22117 1.02627 0.96769 0.96809 0.91716 0.91360 0.91398 0.93770 0.93446 0.91787 0.91422 0.90101 0.90762 0.90168 0.90357 0.96708 0.96386 0.77806 0.92297 0.90202 0.90243 0.91381 0.93563 0.89200 0.93630 0.88588 0.89354 0.89842 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 -1.81 10.28 37.16 0.38 -1.43 16 2 C 0.05 0.67 5.95 37.16 0.22 0.89 16 3 O -0.34 -5.91 8.27 -55.02 -0.46 -6.36 16 4 C 0.09 1.36 1.75 -27.89 -0.05 1.31 16 5 H 0.07 0.89 6.92 -51.93 -0.36 0.53 16 6 C 0.51 9.80 5.93 -10.99 -0.07 9.73 16 7 O -0.46 -11.50 13.08 -14.24 -0.19 -11.69 16 8 N -0.62 -9.81 3.06 -163.02 -0.50 -10.31 16 9 C 0.10 1.06 5.72 -2.53 -0.01 1.04 16 10 C -0.13 -1.18 7.09 -24.58 -0.17 -1.36 16 11 C -0.12 -1.43 6.44 -24.89 -0.16 -1.59 16 12 C 0.13 2.20 3.03 -66.95 -0.20 2.00 16 13 H 0.07 1.34 8.10 -51.93 -0.42 0.92 16 14 C 0.15 3.31 5.61 -4.04 -0.02 3.29 16 15 N -0.73 -20.16 4.38 -59.91 -0.26 -20.42 16 16 C -0.33 -10.16 9.99 -15.06 -0.15 -10.31 16 17 H 0.05 1.58 7.83 -52.48 -0.41 1.17 16 18 C -0.04 -1.26 5.50 -17.43 -0.10 -1.36 16 19 N -0.94 -31.75 13.70 55.49 0.76 -30.99 16 20 Si 1.07 28.13 29.92 -169.99 -5.09 23.05 16 21 H -0.29 -7.61 7.11 56.52 0.40 -7.20 16 22 H -0.30 -7.50 7.11 56.52 0.40 -7.10 16 23 H -0.30 -7.44 7.11 56.52 0.40 -7.04 16 24 C -0.10 -1.29 2.03 -90.43 -0.18 -1.48 16 25 C -0.15 -1.66 4.69 -26.59 -0.12 -1.79 16 26 C 0.06 0.70 6.84 37.21 0.25 0.95 16 27 O -0.38 -5.54 10.77 -35.23 -0.38 -5.92 16 28 C 0.06 0.96 6.84 37.20 0.25 1.22 16 29 C -0.15 -2.52 5.03 -26.59 -0.13 -2.65 16 30 H 0.06 0.81 8.14 -51.93 -0.42 0.38 16 31 H 0.07 0.94 8.14 -51.93 -0.42 0.52 16 32 H 0.07 0.62 8.14 -51.93 -0.42 0.19 16 33 H 0.04 0.52 8.14 -51.93 -0.42 0.10 16 34 H 0.05 0.49 6.39 -51.93 -0.33 0.16 16 35 H 0.06 0.64 7.13 -51.93 -0.37 0.27 16 36 H 0.07 0.59 7.29 -51.93 -0.38 0.22 16 37 H 0.08 0.54 8.14 -51.93 -0.42 0.12 16 38 H 0.07 0.64 8.14 -51.93 -0.42 0.22 16 39 H 0.08 0.84 8.14 -51.93 -0.42 0.41 16 40 H 0.08 0.88 7.85 -51.93 -0.41 0.47 16 41 H 0.02 0.33 8.08 -51.93 -0.42 -0.09 16 42 H 0.02 0.41 8.14 -51.93 -0.42 -0.02 16 43 H 0.38 11.23 3.96 -40.82 -0.16 11.07 16 44 H 0.27 9.12 6.70 -40.82 -0.27 8.85 16 45 H 0.08 0.99 6.05 -51.93 -0.31 0.68 16 46 H 0.08 0.96 6.38 -51.93 -0.33 0.63 16 47 H 0.07 0.56 8.14 -51.93 -0.42 0.14 16 48 H 0.05 0.44 8.14 -51.93 -0.42 0.02 16 49 H 0.09 0.80 8.14 -51.93 -0.42 0.37 16 50 H 0.05 0.62 8.14 -51.93 -0.42 0.20 16 51 H 0.10 1.45 8.14 -51.93 -0.42 1.03 16 52 H 0.09 1.91 7.48 -51.93 -0.39 1.52 16 53 H 0.08 1.64 7.48 -51.93 -0.39 1.25 16 LS Contribution 400.71 15.07 6.04 6.04 Total: -1.00 -38.55 400.71 -9.58 -48.13 By element: Atomic # 1 Polarization: 19.25 SS G_CDS: -9.25 Total: 10.00 kcal Atomic # 6 Polarization: -1.26 SS G_CDS: -0.26 Total: -1.53 kcal Atomic # 7 Polarization: -61.71 SS G_CDS: 0.00 Total: -61.71 kcal Atomic # 8 Polarization: -22.95 SS G_CDS: -1.02 Total: -23.97 kcal Atomic # 14 Polarization: 28.13 SS G_CDS: -5.09 Total: 23.05 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -38.55 -9.58 -48.13 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. ZINC001714344227.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 -57.100 kcal (2) G-P(sol) polarization free energy of solvation -38.550 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -95.650 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.583 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -48.133 kcal (6) G-S(sol) free energy of system = (1) + (5) -105.233 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds