Wall clock time and date at job start Sat Apr 11 2020 06:09:06 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 N 2 2 C 1.31615 * 1 3 3 Si 1.86800 * 119.99924 * 2 1 4 4 H 1.48499 * 109.46677 * 269.99981 * 3 2 1 5 5 H 1.48500 * 109.47164 * 29.99718 * 3 2 1 6 6 H 1.48495 * 109.47474 * 149.99946 * 3 2 1 7 7 C 1.38819 * 120.00295 * 179.97438 * 2 1 3 8 8 H 1.08003 * 119.99373 * 0.02562 * 7 2 1 9 9 N 1.36932 * 119.99933 * 179.97438 * 7 2 1 10 10 C 1.46494 * 119.99807 * 179.97438 * 9 7 2 11 11 C 1.53007 * 109.49681 * 60.06887 * 10 9 7 12 12 O 1.42896 * 109.47061 * 304.93183 * 11 10 9 13 13 C 1.53037 * 109.50295 * 300.00194 * 10 9 7 14 14 C 1.53038 * 109.53983 * 301.41581 * 13 10 9 15 15 C 1.53197 * 109.30963 * 298.63302 * 14 13 10 16 16 N 1.46926 * 108.77484 * 54.63204 * 15 14 13 17 17 C 1.34777 * 120.62694 * 126.37299 * 16 15 14 18 18 O 1.21278 * 119.99854 * 180.02562 * 17 16 15 19 19 C 1.50703 * 120.00161 * 359.97438 * 17 16 15 20 20 C 1.53000 * 109.46912 * 180.02562 * 19 17 16 21 21 C 1.53001 * 109.46886 * 180.02562 * 20 19 17 22 22 H 1.09006 * 109.47872 * 305.01729 * 21 20 19 23 23 C 1.53091 * 109.47908 * 185.00003 * 21 20 19 24 24 C 1.53185 * 109.16198 * 182.40466 * 23 21 20 25 25 C 1.53177 * 109.03539 * 56.97936 * 24 23 21 26 26 C 1.53092 * 109.16300 * 303.02029 * 25 24 23 27 27 O 1.42897 * 109.41680 * 57.61003 * 26 25 24 28 28 C 1.46922 * 118.74006 * 306.64082 * 16 15 14 29 29 H 0.96996 * 120.00470 * 359.97438 * 1 2 3 30 30 H 0.96998 * 120.00119 * 0.02562 * 9 7 2 31 31 H 1.09000 * 109.47034 * 64.93293 * 11 10 9 32 32 H 1.09004 * 109.47075 * 184.93663 * 11 10 9 33 33 H 0.96696 * 114.00246 * 179.97438 * 12 11 10 34 34 H 1.09001 * 109.46501 * 181.39148 * 13 10 9 35 35 H 1.09004 * 109.44815 * 61.42808 * 13 10 9 36 36 H 1.09000 * 109.50307 * 178.68276 * 14 13 10 37 37 H 1.08997 * 109.52523 * 58.59520 * 14 13 10 38 38 H 1.09001 * 109.58130 * 294.84241 * 15 14 13 39 39 H 1.09003 * 109.58526 * 174.42457 * 15 14 13 40 40 H 1.09002 * 109.47152 * 60.00245 * 19 17 16 41 41 H 1.09001 * 109.46980 * 300.00345 * 19 17 16 42 42 H 1.09001 * 109.47194 * 299.99742 * 20 19 17 43 43 H 1.08992 * 109.47399 * 59.99914 * 20 19 17 44 44 H 1.08996 * 109.52343 * 302.30653 * 23 21 20 45 45 H 1.09000 * 109.52557 * 62.43641 * 23 21 20 46 46 H 1.09000 * 109.54044 * 176.84312 * 24 23 21 47 47 H 1.08994 * 109.54177 * 297.11096 * 24 23 21 48 48 H 1.09003 * 109.52270 * 62.92338 * 25 24 23 49 49 H 1.09004 * 109.51952 * 183.11429 * 25 24 23 50 50 H 1.08996 * 109.47950 * 177.59474 * 26 25 24 51 51 H 1.09002 * 109.47772 * 297.62502 * 26 25 24 52 52 H 1.09003 * 109.58475 * 173.14651 * 28 16 15 53 53 H 1.08996 * 109.58975 * 293.57557 * 28 16 15 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3162 0.0000 0.0000 3 14 2.2501 1.6177 0.0000 4 1 2.4976 2.0463 -1.4001 5 1 1.4475 2.6527 0.7000 6 1 3.5477 1.4403 0.7000 7 6 2.0103 -1.2022 0.0005 8 1 1.4702 -2.1375 0.0005 9 7 3.3796 -1.2021 0.0000 10 6 4.1121 -2.4707 0.0011 11 6 3.7438 -3.2742 -1.2478 12 8 2.3254 -3.4371 -1.3082 13 6 3.7434 -3.2725 1.2515 14 6 4.0805 -2.4558 2.5010 15 6 5.5864 -2.1763 2.5326 16 7 5.9748 -1.5346 1.2692 17 6 6.6450 -0.3652 1.2708 18 8 6.9596 0.1547 0.2212 19 6 7.0025 0.2967 2.5766 20 6 7.7537 1.6003 2.2986 21 6 8.1171 2.2721 3.6243 22 1 7.2157 2.4085 4.2218 23 6 8.7572 3.6349 3.3475 24 6 9.1728 4.2745 4.6759 25 6 10.1228 3.3248 5.4121 26 6 9.4299 1.9739 5.6091 27 8 9.0421 1.4490 4.3379 28 6 5.6135 -2.1887 0.0043 29 1 -0.4850 0.8400 0.0004 30 1 3.8646 -0.3620 -0.0004 31 1 4.0867 -2.7431 -2.1357 32 1 4.2203 -4.2536 -1.2034 33 1 2.0194 -3.9380 -2.0766 34 1 4.3073 -4.2052 1.2642 35 1 2.6761 -3.4936 1.2391 36 1 3.7961 -3.0177 3.3907 37 1 3.5358 -1.5120 2.4773 38 1 6.1297 -3.1142 2.6483 39 1 5.8175 -1.5127 3.3658 40 1 7.6361 -0.3707 3.1608 41 1 6.0920 0.5143 3.1348 42 1 8.6642 1.3831 1.7402 43 1 7.1198 2.2675 1.7146 44 1 9.6359 3.5032 2.7161 45 1 8.0382 4.2790 2.8412 46 1 9.6797 5.2199 4.4826 47 1 8.2882 4.4519 5.2876 48 1 11.0290 3.1867 4.8223 49 1 10.3799 3.7474 6.3833 50 1 10.1167 1.2806 6.0945 51 1 8.5458 2.1064 6.2328 52 1 5.8625 -1.5331 -0.8302 53 1 6.1590 -3.1276 -0.0905 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 ZINC001484852302.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 06:09:06 Heat of formation + Delta-G solvation = -125.193099 kcal Electronic energy + Delta-G solvation = -31994.312517 eV Core-core repulsion = 27865.921478 eV Total energy + Delta-G solvation = -4128.391039 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.96 seconds Orbital eigenvalues (eV) -40.22398 -39.57306 -37.96988 -35.74697 -34.13674 -33.86350 -33.79556 -32.01010 -31.42098 -30.33529 -29.23891 -26.44969 -25.40457 -24.83615 -23.84811 -23.12097 -21.86238 -21.58829 -20.54440 -19.05669 -18.27627 -17.74491 -17.04162 -16.70429 -16.37705 -16.07319 -15.48407 -15.31089 -14.87071 -14.86100 -14.63728 -14.13949 -14.08300 -13.88119 -13.68261 -13.46273 -13.33028 -12.94214 -12.73074 -12.64450 -12.35354 -12.29433 -12.19931 -11.96673 -11.89396 -11.42514 -11.41332 -11.18915 -11.00952 -10.91521 -10.85224 -10.75805 -10.47394 -10.39327 -10.36755 -10.16194 -9.96241 -9.66028 -9.48094 -9.38901 -8.93788 -8.74837 -8.30134 -7.13026 -5.56827 -2.90782 2.88530 3.21618 3.46763 3.52475 3.56254 3.56619 4.38441 4.51154 4.58370 4.66133 4.70621 4.73037 4.91453 4.93269 5.02147 5.09360 5.12634 5.18918 5.25002 5.28935 5.37516 5.39281 5.47872 5.49568 5.54407 5.59830 5.63632 5.67240 5.72551 5.74898 5.79195 5.82538 5.86320 5.88769 5.95472 5.99047 6.05724 6.08009 6.10909 6.21659 6.32484 6.37191 6.66999 6.79299 6.93412 7.04564 7.05548 7.66136 8.28414 8.41072 8.44789 8.65796 9.43564 10.12090 10.29632 11.61611 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.013701 B = 0.003287 C = 0.002917 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2043.127449 B = 8515.759613 C = 9595.320462 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.940 5.940 2 C -0.003 4.003 3 Si 0.869 3.131 4 H -0.289 1.289 5 H -0.295 1.295 6 H -0.281 1.281 7 C -0.208 4.208 8 H 0.116 0.884 9 N -0.731 5.731 10 C 0.194 3.806 11 C 0.075 3.925 12 O -0.529 6.529 13 C -0.117 4.117 14 C -0.129 4.129 15 C 0.109 3.891 16 N -0.601 5.601 17 C 0.516 3.484 18 O -0.548 6.548 19 C -0.136 4.136 20 C -0.095 4.095 21 C 0.090 3.910 22 H 0.059 0.941 23 C -0.151 4.151 24 C -0.123 4.123 25 C -0.157 4.157 26 C 0.060 3.940 27 O -0.377 6.377 28 C 0.112 3.888 29 H 0.254 0.746 30 H 0.360 0.640 31 H 0.035 0.965 32 H 0.026 0.974 33 H 0.352 0.648 34 H 0.044 0.956 35 H 0.079 0.921 36 H 0.063 0.937 37 H 0.085 0.915 38 H 0.063 0.937 39 H 0.079 0.921 40 H 0.098 0.902 41 H 0.091 0.909 42 H 0.078 0.922 43 H 0.084 0.916 44 H 0.072 0.928 45 H 0.075 0.925 46 H 0.066 0.934 47 H 0.063 0.937 48 H 0.070 0.930 49 H 0.070 0.930 50 H 0.092 0.908 51 H 0.049 0.951 52 H 0.092 0.908 53 H 0.068 0.932 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 19.513 -0.928 10.548 22.201 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 N -0.590 5.590 2 C -0.197 4.197 3 Si 0.701 3.299 4 H -0.216 1.216 5 H -0.222 1.222 6 H -0.207 1.207 7 C -0.337 4.337 8 H 0.134 0.866 9 N -0.373 5.373 10 C 0.102 3.898 11 C -0.006 4.006 12 O -0.331 6.331 13 C -0.156 4.156 14 C -0.168 4.168 15 C -0.014 4.014 16 N -0.334 5.334 17 C 0.304 3.696 18 O -0.426 6.426 19 C -0.176 4.176 20 C -0.133 4.133 21 C 0.032 3.968 22 H 0.077 0.923 23 C -0.189 4.189 24 C -0.161 4.161 25 C -0.194 4.194 26 C -0.016 4.016 27 O -0.296 6.296 28 C -0.011 4.011 29 H 0.064 0.936 30 H 0.193 0.807 31 H 0.053 0.947 32 H 0.044 0.956 33 H 0.197 0.803 34 H 0.062 0.938 35 H 0.098 0.902 36 H 0.081 0.919 37 H 0.103 0.897 38 H 0.082 0.918 39 H 0.097 0.903 40 H 0.117 0.883 41 H 0.110 0.890 42 H 0.097 0.903 43 H 0.103 0.897 44 H 0.091 0.909 45 H 0.093 0.907 46 H 0.085 0.915 47 H 0.082 0.918 48 H 0.089 0.911 49 H 0.089 0.911 50 H 0.110 0.890 51 H 0.067 0.933 52 H 0.110 0.890 53 H 0.086 0.914 Dipole moment (debyes) X Y Z Total from point charges 19.552 -0.518 10.484 22.191 hybrid contribution 0.393 1.242 -0.394 1.361 sum 19.945 0.724 10.090 22.364 Atomic orbital electron populations 1.69677 1.04836 1.25022 1.59432 1.24623 0.95078 0.96379 1.03624 0.86774 0.79098 0.86314 0.77746 1.21592 1.22200 1.20702 1.19420 0.80119 0.95106 1.39076 0.86623 1.42807 1.04314 1.00877 1.89333 1.19838 0.89136 0.87960 0.92907 1.22608 0.83053 0.96415 0.98563 1.86994 1.20249 1.77566 1.48307 1.21845 1.02814 0.96318 0.94640 1.21816 0.94165 1.02712 0.98059 1.21809 0.96787 0.97486 0.85310 1.47936 1.55601 1.22491 1.07364 1.20657 0.77297 0.80126 0.91496 1.90668 1.54683 1.63366 1.33850 1.21637 1.02020 0.98096 0.95823 1.21372 1.01239 0.95802 0.94893 1.22177 0.91284 0.89933 0.93362 0.92258 1.22202 1.01947 0.96873 0.97864 1.21593 0.99441 0.98540 0.96491 1.22194 0.99571 0.96537 1.01135 1.22537 0.98546 0.94945 0.85614 1.87943 1.63624 1.46864 1.31211 1.21637 0.94911 0.97615 0.86957 0.93575 0.80678 0.94675 0.95620 0.80303 0.93753 0.90199 0.91869 0.89673 0.91825 0.90251 0.88347 0.89039 0.90321 0.89729 0.90891 0.90668 0.91524 0.91823 0.91097 0.91092 0.89020 0.93293 0.88988 0.91398 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 N -0.94 -30.07 13.97 55.49 0.78 -29.30 16 2 C 0.00 -0.10 5.50 -17.43 -0.10 -0.20 16 3 Si 0.87 23.21 27.74 -169.99 -4.71 18.50 16 4 H -0.29 -7.88 7.11 56.52 0.40 -7.48 16 5 H -0.30 -7.96 7.11 56.52 0.40 -7.56 16 6 H -0.28 -7.22 6.52 56.52 0.37 -6.86 16 7 C -0.21 -5.75 8.62 -15.06 -0.13 -5.88 16 8 H 0.12 3.46 5.52 -52.48 -0.29 3.17 16 9 N -0.73 -17.19 4.02 -47.32 -0.19 -17.38 16 10 C 0.19 3.61 0.68 -131.92 -0.09 3.52 16 11 C 0.07 1.30 6.09 37.16 0.23 1.53 16 12 O -0.53 -10.40 9.92 -35.23 -0.35 -10.75 16 13 C -0.12 -1.99 4.43 -26.69 -0.12 -2.11 16 14 C -0.13 -2.02 5.93 -26.61 -0.16 -2.18 16 15 C 0.11 1.42 6.34 -3.71 -0.02 1.39 16 16 N -0.60 -9.47 2.88 -173.03 -0.50 -9.97 16 17 C 0.52 8.64 7.70 -10.98 -0.08 8.56 16 18 O -0.55 -11.02 15.39 5.56 0.09 -10.93 16 19 C -0.14 -1.78 3.94 -27.88 -0.11 -1.89 16 20 C -0.10 -1.21 4.21 -26.73 -0.11 -1.32 16 21 C 0.09 0.96 2.64 -26.68 -0.07 0.89 16 22 H 0.06 0.62 8.14 -51.93 -0.42 0.19 16 23 C -0.15 -1.42 5.42 -26.59 -0.14 -1.57 16 24 C -0.12 -0.97 6.03 -26.54 -0.16 -1.13 16 25 C -0.16 -1.14 6.14 -26.59 -0.16 -1.30 16 26 C 0.06 0.49 6.84 37.21 0.25 0.75 16 27 O -0.38 -4.12 9.94 -35.23 -0.35 -4.47 16 28 C 0.11 1.84 5.10 -3.93 -0.02 1.82 16 29 H 0.25 7.85 8.31 -40.82 -0.34 7.51 16 30 H 0.36 8.94 5.50 -40.82 -0.22 8.71 16 31 H 0.03 0.62 8.14 -51.93 -0.42 0.19 16 32 H 0.03 0.37 8.14 -51.93 -0.42 -0.05 16 33 H 0.35 5.26 9.12 45.56 0.42 5.67 16 34 H 0.04 0.64 8.14 -51.93 -0.42 0.22 16 35 H 0.08 1.61 6.97 -51.93 -0.36 1.25 16 36 H 0.06 0.85 8.14 -51.93 -0.42 0.42 16 37 H 0.08 1.66 7.53 -51.93 -0.39 1.27 16 38 H 0.06 0.70 8.14 -51.93 -0.42 0.27 16 39 H 0.08 0.89 5.93 -51.93 -0.31 0.58 16 40 H 0.10 1.12 7.62 -51.93 -0.40 0.73 16 41 H 0.09 1.15 7.69 -51.93 -0.40 0.75 16 42 H 0.08 1.06 8.10 -51.93 -0.42 0.64 16 43 H 0.08 1.17 8.10 -51.93 -0.42 0.75 16 44 H 0.07 0.71 8.14 -51.93 -0.42 0.29 16 45 H 0.07 0.69 8.14 -51.93 -0.42 0.27 16 46 H 0.07 0.47 8.14 -51.93 -0.42 0.05 16 47 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 48 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 49 H 0.07 0.41 8.14 -51.93 -0.42 -0.01 16 50 H 0.09 0.62 8.14 -51.93 -0.42 0.20 16 51 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 52 H 0.09 1.69 7.01 -51.93 -0.36 1.33 16 53 H 0.07 0.93 8.14 -51.93 -0.42 0.50 16 LS Contribution 399.75 15.07 6.02 6.02 Total: -1.00 -35.39 399.75 -8.89 -44.27 By element: Atomic # 1 Polarization: 21.80 SS G_CDS: -8.67 Total: 13.13 kcal Atomic # 6 Polarization: 1.88 SS G_CDS: -1.00 Total: 0.88 kcal Atomic # 7 Polarization: -56.74 SS G_CDS: 0.09 Total: -56.65 kcal Atomic # 8 Polarization: -25.54 SS G_CDS: -0.61 Total: -26.15 kcal Atomic # 14 Polarization: 23.21 SS G_CDS: -4.71 Total: 18.50 kcal Total LS contribution 6.02 Total: 6.02 kcal Total: -35.39 -8.89 -44.27 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. ZINC001484852302.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 -80.921 kcal (2) G-P(sol) polarization free energy of solvation -35.386 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -116.307 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.887 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.272 kcal (6) G-S(sol) free energy of system = (1) + (5) -125.193 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.96 seconds