Wall clock time and date at job start Tue Mar 31 2020 12:49:38 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 1.53007 * 1 3 3 H 1.09001 * 109.47064 * 2 1 4 4 C 1.52999 * 109.47175 * 119.99830 * 2 1 3 5 5 C 1.50703 * 109.46924 * 184.99911 * 4 2 1 6 6 H 1.07996 * 119.99872 * 0.02562 * 5 4 2 7 7 C 1.37880 * 119.99577 * 180.02562 * 5 4 2 8 8 N 1.31513 * 120.00276 * 359.97438 * 7 5 4 9 9 Si 1.86800 * 119.99679 * 180.02562 * 7 5 4 10 10 H 1.48500 * 109.47353 * 59.99387 * 9 7 5 11 11 H 1.48501 * 109.47242 * 179.97438 * 9 7 5 12 12 H 1.48498 * 109.46880 * 299.99551 * 9 7 5 13 13 N 1.46900 * 109.47255 * 240.00140 * 2 1 3 14 14 C 1.46901 * 111.00038 * 306.04763 * 13 2 1 15 15 C 1.46903 * 110.99712 * 69.99715 * 13 2 1 16 16 C 1.53003 * 109.46708 * 164.35099 * 15 13 2 17 17 O 1.42899 * 109.47304 * 295.00877 * 16 15 13 18 18 C 1.35900 * 117.00441 * 175.88120 * 17 16 15 19 19 C 1.38761 * 120.05220 * 3.74753 * 18 17 16 20 20 C 1.38120 * 119.94131 * 179.70003 * 19 18 17 21 21 C 1.38292 * 120.05426 * 0.59435 * 20 19 18 22 22 C 1.38240 * 120.11415 * 359.67566 * 21 20 19 23 23 C 1.38173 * 120.05559 * 0.02798 * 22 21 20 24 24 C 1.50696 * 120.02818 * 179.97438 * 23 22 21 25 25 C 1.52998 * 109.47027 * 3.37796 * 24 23 22 26 26 C 1.52995 * 109.47007 * 123.37850 * 24 23 22 27 27 C 1.53000 * 109.46946 * 243.37708 * 24 23 22 28 28 H 1.08999 * 109.46646 * 179.97438 * 1 2 3 29 29 H 1.08994 * 109.46653 * 299.99740 * 1 2 3 30 30 H 1.09003 * 109.46890 * 60.00054 * 1 2 3 31 31 H 1.08995 * 109.47542 * 305.00212 * 4 2 1 32 32 H 1.09002 * 109.46542 * 65.00514 * 4 2 1 33 33 H 0.96999 * 119.99958 * 179.97438 * 8 7 5 34 34 H 1.08997 * 109.47212 * 190.21938 * 14 13 2 35 35 H 1.09007 * 109.47104 * 310.22005 * 14 13 2 36 36 H 1.08999 * 109.47249 * 70.21220 * 14 13 2 37 37 H 1.08999 * 109.47059 * 44.35198 * 15 13 2 38 38 H 1.09001 * 109.47162 * 284.34678 * 15 13 2 39 39 H 1.08998 * 109.47247 * 175.01238 * 16 15 13 40 40 H 1.09006 * 109.47565 * 55.01004 * 16 15 13 41 41 H 1.07998 * 120.02507 * 359.96940 * 19 18 17 42 42 H 1.07997 * 119.97251 * 180.29495 * 20 19 18 43 43 H 1.08005 * 119.94074 * 179.69862 * 21 20 19 44 44 H 1.07993 * 119.97523 * 179.97438 * 22 21 20 45 45 H 1.08998 * 109.47213 * 60.00320 * 25 24 23 46 46 H 1.09005 * 109.46769 * 180.02562 * 25 24 23 47 47 H 1.08997 * 109.47199 * 299.99455 * 25 24 23 48 48 H 1.08996 * 109.47373 * 66.34679 * 26 24 23 49 49 H 1.09003 * 109.47444 * 186.34522 * 26 24 23 50 50 H 1.09004 * 109.47480 * 306.34393 * 26 24 23 51 51 H 1.09001 * 109.47099 * 60.00560 * 27 24 23 52 52 H 1.09005 * 109.47154 * 180.02562 * 27 24 23 53 53 H 1.08991 * 109.47415 * 299.99988 * 27 24 23 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 1.5301 0.0000 0.0000 3 1 1.8934 1.0277 0.0000 4 6 2.0401 -0.7212 1.2493 5 6 3.5420 -0.6148 1.3127 6 1 4.0790 -0.0854 0.5395 7 6 4.2305 -1.1935 2.3578 8 7 3.5766 -1.8377 3.2995 9 14 6.0921 -1.0610 2.4368 10 1 6.4845 0.3699 2.4971 11 1 6.5872 -1.7611 3.6492 12 1 6.6846 -1.6862 1.2271 13 7 2.0198 -0.6925 -1.1994 14 6 1.4344 -2.0354 -1.3079 15 6 1.7529 0.0973 -2.4090 16 6 2.5979 -0.4403 -3.5657 17 8 3.9829 -0.2366 -3.2789 18 6 4.8779 -0.7374 -4.1705 19 6 4.4324 -1.3427 -5.3369 20 6 5.3442 -1.8454 -6.2444 21 6 6.6998 -1.7569 -5.9855 22 6 7.1460 -1.1593 -4.8216 23 6 6.2381 -0.6493 -3.9134 24 6 6.7252 0.0014 -2.6445 25 6 8.2547 0.0425 -2.6470 26 6 6.1769 1.4272 -2.5596 27 6 6.2386 -0.8047 -1.4386 28 1 -0.3632 -1.0277 -0.0005 29 1 -0.3632 0.5138 0.8900 30 1 -0.3633 0.5138 -0.8900 31 1 1.6055 -0.2618 2.1370 32 1 1.7518 -1.7715 1.2055 33 1 4.0610 -2.2451 4.0345 34 1 1.9444 -2.5917 -2.0943 35 1 1.5493 -2.5596 -0.3590 36 1 0.3751 -1.9516 -1.5505 37 1 2.0098 1.1406 -2.2257 38 1 0.6962 0.0229 -2.6658 39 1 2.3356 0.0868 -4.4830 40 1 2.4058 -1.5059 -3.6915 41 1 3.3737 -1.4168 -5.5369 42 1 4.9981 -2.3124 -7.1546 43 1 7.4110 -2.1549 -6.6942 44 1 8.2051 -1.0917 -4.6215 45 1 8.6013 0.6168 -3.5061 46 1 8.6070 0.5128 -1.7290 47 1 8.6453 -0.9733 -2.7074 48 1 5.0936 1.3937 -2.4443 49 1 6.6179 1.9357 -1.7022 50 1 6.4286 1.9683 -3.4718 51 1 6.6293 -1.8205 -1.4990 52 1 6.5906 -0.3338 -0.5207 53 1 5.1491 -0.8340 -1.4368 RHF calculation, no. of doubly occupied orbitals= 62 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 ZINC001307728150.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 12:49:38 Heat of formation + Delta-G solvation = -20.981318 kcal Electronic energy + Delta-G solvation = -29248.973485 eV Core-core repulsion = 25699.665563 eV Total energy + Delta-G solvation = -3549.307922 eV No. of doubly occupied orbitals = 62 Molecular weight (most abundant/longest-lived isotopes) = 319.225 amu Computer time = 1.11 seconds Orbital eigenvalues (eV) -40.35546 -38.24277 -37.08742 -35.98723 -33.01335 -31.43939 -30.19490 -29.55128 -28.27757 -27.30364 -27.13773 -26.63536 -25.56441 -23.34074 -22.81069 -22.12870 -20.79957 -19.10428 -18.77145 -17.79155 -16.21472 -16.07975 -15.73235 -15.64625 -14.84677 -14.48233 -14.44670 -14.18739 -13.95170 -13.86554 -13.68526 -13.18726 -12.95355 -12.92542 -12.45339 -12.16634 -12.00367 -11.84171 -11.71662 -11.67343 -11.55966 -11.48698 -11.37186 -11.24114 -11.09836 -10.92786 -10.64452 -10.60999 -10.51772 -10.39868 -10.39012 -10.16866 -9.96930 -9.86641 -9.12659 -8.90074 -8.70974 -8.18163 -7.86947 -7.47256 -5.82262 -3.78740 1.46073 1.61601 3.45946 3.47361 3.49543 3.53359 3.91023 4.49503 4.62954 4.79536 4.90861 5.04276 5.17866 5.25548 5.29210 5.36572 5.37115 5.46649 5.55363 5.58379 5.62162 5.67341 5.76385 5.80653 5.82889 5.88862 5.92866 6.01728 6.04064 6.05757 6.11879 6.17244 6.18962 6.28898 6.35660 6.44068 6.45346 6.55290 6.57380 6.60336 6.64425 6.72206 6.76559 6.85239 6.96665 7.00825 7.25392 7.55355 7.65852 7.75736 7.94039 8.04308 8.19352 8.65222 9.27818 9.82796 11.29973 Molecular weight = 319.23amu Principal moments of inertia in cm(-1) A = 0.010753 B = 0.005568 C = 0.004075 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2603.326551 B = 5027.504550 C = 6869.377609 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.184 4.184 2 C 0.087 3.913 3 H 0.069 0.931 4 C 0.030 3.970 5 C -0.483 4.483 6 H 0.065 0.935 7 C 0.052 3.948 8 N -0.907 5.907 9 Si 0.878 3.122 10 H -0.280 1.280 11 H -0.295 1.295 12 H -0.267 1.267 13 N -0.503 5.503 14 C 0.024 3.976 15 C 0.053 3.947 16 C 0.064 3.936 17 O -0.278 6.278 18 C 0.144 3.856 19 C -0.214 4.214 20 C -0.091 4.091 21 C -0.166 4.166 22 C -0.088 4.088 23 C -0.096 4.096 24 C -0.019 4.019 25 C -0.144 4.144 26 C -0.137 4.137 27 C -0.140 4.140 28 H 0.052 0.948 29 H 0.055 0.945 30 H 0.037 0.963 31 H 0.017 0.983 32 H 0.018 0.982 33 H 0.256 0.744 34 H 0.052 0.948 35 H 0.082 0.918 36 H 0.013 0.987 37 H 0.079 0.921 38 H 0.046 0.954 39 H 0.054 0.946 40 H 0.059 0.941 41 H 0.123 0.877 42 H 0.117 0.883 43 H 0.116 0.884 44 H 0.128 0.872 45 H 0.052 0.948 46 H 0.056 0.944 47 H 0.054 0.946 48 H 0.077 0.923 49 H 0.052 0.948 50 H 0.042 0.958 51 H 0.041 0.959 52 H 0.053 0.947 53 H 0.093 0.907 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.216 2.583 -17.952 18.177 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 -0.243 4.243 2 C -0.021 4.021 3 H 0.088 0.912 4 C -0.007 4.007 5 C -0.522 4.522 6 H 0.083 0.917 7 C -0.147 4.147 8 N -0.548 5.548 9 Si 0.707 3.293 10 H -0.206 1.206 11 H -0.221 1.221 12 H -0.193 1.193 13 N -0.226 5.226 14 C -0.124 4.124 15 C -0.076 4.076 16 C -0.012 4.012 17 O -0.190 6.190 18 C 0.098 3.902 19 C -0.233 4.233 20 C -0.109 4.109 21 C -0.184 4.184 22 C -0.106 4.106 23 C -0.096 4.096 24 C -0.019 4.019 25 C -0.201 4.201 26 C -0.194 4.194 27 C -0.197 4.197 28 H 0.071 0.929 29 H 0.074 0.926 30 H 0.056 0.944 31 H 0.035 0.965 32 H 0.037 0.963 33 H 0.066 0.934 34 H 0.070 0.930 35 H 0.100 0.900 36 H 0.032 0.968 37 H 0.098 0.902 38 H 0.063 0.937 39 H 0.072 0.928 40 H 0.077 0.923 41 H 0.140 0.860 42 H 0.135 0.865 43 H 0.134 0.866 44 H 0.146 0.854 45 H 0.071 0.929 46 H 0.076 0.924 47 H 0.073 0.927 48 H 0.096 0.904 49 H 0.071 0.929 50 H 0.061 0.939 51 H 0.061 0.939 52 H 0.072 0.928 53 H 0.112 0.888 Dipole moment (debyes) X Y Z Total from point charges 1.787 2.550 -17.551 17.825 hybrid contribution -0.015 -0.175 -0.208 0.272 sum 1.772 2.376 -17.759 18.004 Atomic orbital electron populations 1.22544 0.99898 1.01273 1.00544 1.21963 0.89820 0.98375 0.91933 0.91248 1.19204 0.96595 0.95237 0.89641 1.21160 0.91579 1.32603 1.06824 0.91696 1.24955 0.97652 0.95998 0.96061 1.69952 1.35167 1.37244 1.12475 0.86909 0.87050 0.78084 0.77293 1.20582 1.22146 1.19256 1.62065 1.58167 1.01737 1.00654 1.22429 0.95136 0.91785 1.03039 1.22155 0.95475 0.99005 0.90943 1.22880 0.80091 1.00563 0.97618 1.86337 1.15181 1.72416 1.45060 1.18916 0.89631 0.93169 0.88501 1.21200 1.00112 1.06046 0.95945 1.20826 0.93108 0.98535 0.98433 1.20940 0.95517 1.03557 0.98383 1.20999 0.99407 0.96996 0.93231 1.19331 0.90020 1.02725 0.97557 1.19376 0.94455 0.95670 0.92372 1.21993 0.95251 1.01363 1.01474 1.21878 1.02986 0.94234 1.00341 1.21999 1.04612 0.98014 0.95102 0.92879 0.92581 0.94413 0.96523 0.96338 0.93449 0.92958 0.89966 0.96837 0.90243 0.93662 0.92775 0.92253 0.85955 0.86528 0.86556 0.85417 0.92902 0.92447 0.92673 0.90422 0.92855 0.93882 0.93936 0.92824 0.88824 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 -0.18 -3.02 8.47 37.16 0.31 -2.71 16 2 C 0.09 1.70 2.25 -67.71 -0.15 1.55 16 3 H 0.07 1.40 7.86 -51.93 -0.41 0.99 16 4 C 0.03 0.75 4.38 -27.88 -0.12 0.63 16 5 C -0.48 -13.18 8.84 -34.44 -0.30 -13.48 16 6 H 0.06 1.77 7.63 -52.49 -0.40 1.37 16 7 C 0.05 1.49 5.46 -17.82 -0.10 1.39 16 8 N -0.91 -27.31 13.29 55.43 0.74 -26.57 16 9 Si 0.88 21.98 28.71 -169.99 -4.88 17.10 16 10 H -0.28 -6.93 7.11 56.52 0.40 -6.53 16 11 H -0.30 -7.47 7.11 56.52 0.40 -7.07 16 12 H -0.27 -6.46 6.47 56.52 0.37 -6.10 16 13 N -0.50 -9.02 4.33 -234.88 -1.02 -10.04 16 14 C 0.02 0.41 8.30 60.07 0.50 0.91 16 15 C 0.05 0.76 4.79 -3.82 -0.02 0.74 16 16 C 0.06 0.85 4.89 37.16 0.18 1.03 16 17 O -0.28 -4.37 5.84 -19.42 -0.11 -4.48 16 18 C 0.14 2.16 6.28 -39.21 -0.25 1.92 16 19 C -0.21 -2.78 9.03 -39.43 -0.36 -3.14 16 20 C -0.09 -1.07 10.04 -39.61 -0.40 -1.46 16 21 C -0.17 -1.95 10.04 -39.56 -0.40 -2.35 16 22 C -0.09 -1.15 8.98 -39.60 -0.36 -1.50 16 23 C -0.10 -1.42 4.76 -104.47 -0.50 -1.92 16 24 C -0.02 -0.29 0.75 -155.67 -0.12 -0.41 16 25 C -0.14 -1.89 7.14 37.16 0.27 -1.63 16 26 C -0.14 -2.08 8.11 37.15 0.30 -1.78 16 27 C -0.14 -2.64 8.15 37.16 0.30 -2.34 16 28 H 0.05 0.87 6.56 -51.93 -0.34 0.53 16 29 H 0.06 0.91 8.14 -51.93 -0.42 0.49 16 30 H 0.04 0.54 7.06 -51.93 -0.37 0.17 16 31 H 0.02 0.44 8.14 -51.93 -0.42 0.02 16 32 H 0.02 0.49 6.16 -51.93 -0.32 0.17 16 33 H 0.26 7.43 8.31 -40.82 -0.34 7.09 16 34 H 0.05 0.83 6.85 -51.93 -0.36 0.47 16 35 H 0.08 1.62 6.00 -51.93 -0.31 1.31 16 36 H 0.01 0.20 6.71 -51.93 -0.35 -0.15 16 37 H 0.08 1.15 7.81 -51.93 -0.41 0.75 16 38 H 0.05 0.58 7.18 -51.93 -0.37 0.20 16 39 H 0.05 0.59 7.74 -51.93 -0.40 0.19 16 40 H 0.06 0.78 6.15 -51.93 -0.32 0.46 16 41 H 0.12 1.38 6.32 -52.49 -0.33 1.04 16 42 H 0.12 1.08 8.06 -52.49 -0.42 0.65 16 43 H 0.12 1.09 8.06 -52.48 -0.42 0.67 16 44 H 0.13 1.44 5.90 -52.49 -0.31 1.13 16 45 H 0.05 0.61 7.67 -51.93 -0.40 0.21 16 46 H 0.06 0.76 8.14 -51.93 -0.42 0.33 16 47 H 0.05 0.69 7.35 -51.93 -0.38 0.31 16 48 H 0.08 1.28 6.10 -51.93 -0.32 0.97 16 49 H 0.05 0.79 8.14 -51.93 -0.42 0.37 16 50 H 0.04 0.59 8.14 -51.93 -0.42 0.16 16 51 H 0.04 0.80 8.14 -51.93 -0.42 0.37 16 52 H 0.05 1.07 6.74 -51.93 -0.35 0.72 16 53 H 0.09 1.97 6.30 -51.93 -0.33 1.64 16 LS Contribution 396.86 15.07 5.98 5.98 Total: -1.00 -29.81 396.86 -9.81 -39.62 By element: Atomic # 1 Polarization: 12.27 SS G_CDS: -9.32 Total: 2.95 kcal Atomic # 6 Polarization: -23.36 SS G_CDS: -1.20 Total: -24.56 kcal Atomic # 7 Polarization: -36.33 SS G_CDS: -0.28 Total: -36.61 kcal Atomic # 8 Polarization: -4.37 SS G_CDS: -0.11 Total: -4.48 kcal Atomic # 14 Polarization: 21.98 SS G_CDS: -4.88 Total: 17.10 kcal Total LS contribution 5.98 Total: 5.98 kcal Total: -29.81 -9.81 -39.62 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. ZINC001307728150.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 18.641 kcal (2) G-P(sol) polarization free energy of solvation -29.812 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -11.171 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.810 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.622 kcal (6) G-S(sol) free energy of system = (1) + (5) -20.981 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.11 seconds