Wall clock time and date at job start Sat Apr 11 2020 06:10:49 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 O 1.42904 * 1 3 3 C 1.42895 * 114.00302 * 2 1 4 4 C 1.52994 * 109.47319 * 179.97438 * 3 2 1 5 5 C 1.53007 * 109.47448 * 174.63421 * 4 3 2 6 6 N 1.46502 * 109.45589 * 305.69014 * 5 4 3 7 7 C 1.34772 * 120.00176 * 300.96570 * 6 5 4 8 8 O 1.21282 * 120.00092 * 355.06608 * 7 6 5 9 9 C 1.50699 * 119.99889 * 175.05697 * 7 6 5 10 10 H 1.08998 * 109.48613 * 305.02366 * 9 7 6 11 11 C 1.53088 * 109.48259 * 65.06410 * 9 7 6 12 12 C 1.53174 * 109.16584 * 177.58903 * 11 9 7 13 13 C 1.53172 * 109.03660 * 303.01585 * 12 11 9 14 14 C 1.53093 * 109.16345 * 56.98422 * 13 12 11 15 15 O 1.42904 * 109.48097 * 185.00502 * 9 7 6 16 16 C 1.53032 * 109.46189 * 185.71807 * 5 4 3 17 17 C 1.53193 * 109.31211 * 178.60125 * 16 5 4 18 18 N 1.46930 * 108.76656 * 54.65522 * 17 16 5 19 19 C 1.36935 * 120.63331 * 126.40509 * 18 17 16 20 20 H 1.07999 * 119.99851 * 326.29305 * 19 18 17 21 21 C 1.38813 * 119.99663 * 146.29120 * 19 18 17 22 22 N 1.31621 * 119.99368 * 167.60004 * 21 19 18 23 23 Si 1.86793 * 120.00454 * 347.59571 * 21 19 18 24 24 H 1.48508 * 109.46957 * 86.75263 * 23 21 19 25 25 H 1.48496 * 109.47293 * 206.75331 * 23 21 19 26 26 H 1.48506 * 109.47304 * 326.75325 * 23 21 19 27 27 C 1.46932 * 118.73468 * 306.38340 * 18 17 16 28 28 C 1.53041 * 109.45638 * 65.65884 * 5 4 3 29 29 H 1.09003 * 109.46654 * 60.00597 * 1 2 3 30 30 H 1.08999 * 109.47041 * 180.02562 * 1 2 3 31 31 H 1.08993 * 109.47036 * 300.00710 * 1 2 3 32 32 H 1.09001 * 109.47092 * 299.99752 * 3 2 1 33 33 H 1.09000 * 109.47134 * 59.99114 * 3 2 1 34 34 H 1.08998 * 109.47395 * 294.63525 * 4 3 2 35 35 H 1.09000 * 109.47259 * 54.63751 * 4 3 2 36 36 H 0.97001 * 119.99735 * 120.97025 * 6 5 4 37 37 H 1.09006 * 109.52089 * 297.49321 * 11 9 7 38 38 H 1.09000 * 109.52251 * 57.67930 * 11 9 7 39 39 H 1.09005 * 109.54248 * 183.14942 * 12 11 9 40 40 H 1.09005 * 109.54169 * 62.88801 * 12 11 9 41 41 H 1.08991 * 109.52599 * 297.07443 * 13 12 11 42 42 H 1.09005 * 109.52139 * 176.88435 * 13 12 11 43 43 H 1.08997 * 109.48530 * 182.41086 * 14 13 12 44 44 H 1.09000 * 109.49022 * 62.37346 * 14 13 12 45 45 H 1.09002 * 109.49470 * 298.56328 * 16 5 4 46 46 H 1.09000 * 109.50231 * 58.66445 * 16 5 4 47 47 H 1.09005 * 109.59906 * 294.86709 * 17 16 5 48 48 H 1.09006 * 109.58933 * 174.43243 * 17 16 5 49 49 H 0.97003 * 119.99597 * 180.02562 * 22 21 19 50 50 H 1.08998 * 109.59042 * 293.82059 * 27 18 17 51 51 H 1.09000 * 109.58458 * 173.39766 * 27 18 17 52 52 H 1.08995 * 109.50236 * 301.33944 * 28 5 4 53 53 H 1.08997 * 109.49978 * 61.40743 * 28 5 4 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 8 1.4290 0.0000 0.0000 3 6 2.0103 1.3054 0.0000 4 6 3.5355 1.1845 0.0006 5 6 4.1575 2.5760 -0.1343 6 7 3.6117 3.2416 -1.3197 7 6 3.7613 2.6810 -2.5362 8 8 4.4237 1.6728 -2.6620 9 6 3.1054 3.3067 -3.7400 10 1 2.0363 3.4144 -3.5567 11 6 3.7207 4.6844 -3.9983 12 6 3.0917 5.2880 -5.2578 13 6 3.3040 4.3273 -6.4318 14 6 2.7047 2.9632 -6.0796 15 8 3.3112 2.4728 -4.8822 16 6 5.6754 2.4442 -0.2769 17 6 6.2910 3.8367 -0.4468 18 7 5.8618 4.6833 0.6748 19 6 6.7831 5.3450 1.4420 20 1 7.7483 4.8989 1.6314 21 6 6.4764 6.5889 1.9762 22 7 7.2485 7.1156 2.9029 23 14 4.9680 7.5154 1.3799 24 1 3.7816 7.0861 2.1632 25 1 5.1793 8.9741 1.5610 26 1 4.7438 7.2226 -0.0587 27 6 4.4252 4.8068 0.9572 28 6 3.8305 3.4034 1.1110 29 1 -0.3633 0.5138 -0.8901 30 1 -0.3633 -1.0277 0.0005 31 1 -0.3633 0.5139 0.8899 32 1 1.6887 1.8463 -0.8900 33 1 1.6886 1.8464 0.8899 34 1 3.8635 0.7290 0.9349 35 1 3.8511 0.5628 -0.8372 36 1 3.1428 4.0859 -1.2291 37 1 3.5262 5.3358 -3.1462 38 1 4.7963 4.5819 -4.1416 39 1 3.5651 6.2446 -5.4793 40 1 2.0239 5.4367 -5.0968 41 1 4.3712 4.2175 -6.6243 42 1 2.8115 4.7231 -7.3200 43 1 2.8905 2.2632 -6.8942 44 1 1.6304 3.0665 -5.9269 45 1 6.0850 1.9716 0.6158 46 1 5.9073 1.8352 -1.1506 47 1 5.9518 4.2744 -1.3857 48 1 7.3782 3.7578 -0.4497 49 1 7.0340 7.9847 3.2765 50 1 3.9338 5.3236 0.1328 51 1 4.2812 5.3679 1.8805 52 1 2.7490 3.4771 1.2252 53 1 4.2572 2.9214 1.9905 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 ZINC001151063290.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 06:10:49 Heat of formation + Delta-G solvation = -107.198838 kcal Electronic energy + Delta-G solvation = -32916.845862 eV Core-core repulsion = 28789.235113 eV Total energy + Delta-G solvation = -4127.610749 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) -40.76246 -39.34820 -37.78590 -37.31286 -34.76227 -33.89866 -32.62409 -31.77364 -30.94099 -30.48628 -29.33460 -26.66115 -25.89561 -24.78942 -24.10906 -23.09401 -22.65015 -21.28557 -20.62172 -20.30432 -18.91269 -17.68972 -16.91152 -16.65782 -16.30664 -16.05584 -15.79331 -15.26662 -15.24635 -15.05379 -14.63403 -14.56683 -14.36076 -13.99758 -13.92336 -13.76714 -13.43645 -13.09510 -12.92965 -12.86013 -12.64093 -12.40696 -11.94766 -11.81872 -11.73640 -11.67559 -11.47770 -11.36918 -11.30204 -11.18159 -11.10368 -10.81893 -10.70282 -10.51632 -10.24412 -10.02210 -9.83311 -9.71988 -9.62056 -9.55947 -9.17432 -8.80311 -8.63596 -6.90042 -5.96789 -3.41217 2.73644 2.87494 3.22253 3.37887 3.42376 3.71463 3.92208 4.46422 4.46656 4.55845 4.56619 4.69904 4.81781 4.86632 4.92043 5.01659 5.09441 5.14775 5.18533 5.19061 5.25015 5.30811 5.31165 5.38876 5.43187 5.46737 5.50514 5.53323 5.59932 5.65949 5.77352 5.79502 5.81407 5.94128 6.01949 6.04322 6.08330 6.15046 6.30649 6.39864 6.48847 6.54252 6.59894 6.69913 6.78203 6.91396 6.98640 7.13658 7.68213 8.00558 8.34064 8.39129 8.92529 9.68307 10.08897 11.19622 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.008788 B = 0.004782 C = 0.003574 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3185.291729 B = 5853.492972 C = 7832.618177 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.033 3.967 2 O -0.392 6.392 3 C 0.066 3.934 4 C -0.128 4.128 5 C 0.196 3.804 6 N -0.715 5.715 7 C 0.523 3.477 8 O -0.511 6.511 9 C 0.075 3.925 10 H 0.077 0.923 11 C -0.148 4.148 12 C -0.120 4.120 13 C -0.158 4.158 14 C 0.060 3.940 15 O -0.352 6.352 16 C -0.144 4.144 17 C 0.155 3.845 18 N -0.604 5.604 19 C -0.258 4.258 20 H 0.084 0.916 21 C 0.024 3.976 22 N -0.914 5.914 23 Si 0.893 3.107 24 H -0.288 1.288 25 H -0.305 1.305 26 H -0.272 1.272 27 C 0.124 3.876 28 C -0.140 4.140 29 H 0.037 0.963 30 H 0.083 0.917 31 H 0.039 0.961 32 H 0.044 0.956 33 H 0.048 0.952 34 H 0.077 0.923 35 H 0.090 0.910 36 H 0.397 0.603 37 H 0.080 0.920 38 H 0.081 0.919 39 H 0.073 0.927 40 H 0.064 0.936 41 H 0.074 0.926 42 H 0.073 0.927 43 H 0.097 0.903 44 H 0.049 0.951 45 H 0.069 0.931 46 H 0.081 0.919 47 H 0.020 0.980 48 H 0.062 0.938 49 H 0.263 0.737 50 H 0.020 0.980 51 H 0.076 0.924 52 H 0.059 0.941 53 H 0.084 0.916 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -15.421 -7.163 -13.963 22.002 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 -0.064 4.064 2 O -0.311 6.311 3 C -0.010 4.010 4 C -0.167 4.167 5 C 0.110 3.890 6 N -0.369 5.369 7 C 0.307 3.693 8 O -0.385 6.385 9 C 0.014 3.986 10 H 0.095 0.905 11 C -0.186 4.186 12 C -0.158 4.158 13 C -0.196 4.196 14 C -0.017 4.017 15 O -0.270 6.270 16 C -0.184 4.184 17 C 0.030 3.970 18 N -0.328 5.328 19 C -0.387 4.387 20 H 0.101 0.899 21 C -0.175 4.175 22 N -0.557 5.557 23 Si 0.725 3.275 24 H -0.216 1.216 25 H -0.233 1.233 26 H -0.197 1.197 27 C -0.002 4.002 28 C -0.180 4.180 29 H 0.056 0.944 30 H 0.101 0.899 31 H 0.058 0.942 32 H 0.062 0.938 33 H 0.067 0.933 34 H 0.096 0.904 35 H 0.108 0.892 36 H 0.232 0.768 37 H 0.099 0.901 38 H 0.100 0.900 39 H 0.091 0.909 40 H 0.083 0.917 41 H 0.093 0.907 42 H 0.092 0.908 43 H 0.115 0.885 44 H 0.067 0.933 45 H 0.088 0.912 46 H 0.099 0.901 47 H 0.038 0.962 48 H 0.080 0.920 49 H 0.073 0.927 50 H 0.038 0.962 51 H 0.094 0.906 52 H 0.077 0.923 53 H 0.103 0.897 Dipole moment (debyes) X Y Z Total from point charges -14.655 -8.104 -13.936 21.787 hybrid contribution -1.556 1.684 -0.185 2.300 sum -16.211 -6.420 -14.122 22.437 Atomic orbital electron populations 1.22695 0.81579 1.02435 0.99697 1.87887 1.19239 1.28561 1.95366 1.22559 0.94566 0.84140 0.99760 1.21944 0.92608 0.97748 1.04371 1.20212 0.94252 0.90504 0.83991 1.46095 1.58878 1.25809 1.06147 1.19957 0.81102 0.84665 0.83530 1.90660 1.38225 1.24592 1.85053 1.21910 0.99128 0.90826 0.86774 0.90491 1.22161 1.02224 0.94970 0.99262 1.21580 1.00947 0.98953 0.94299 1.22219 1.02703 0.96103 0.98584 1.22639 0.96156 0.95534 0.87365 1.88072 1.76286 1.46469 1.16190 1.22419 0.92921 1.00138 1.02933 1.20866 0.97929 0.88719 0.89533 1.44319 1.00747 1.55106 1.32676 1.18933 0.97555 0.97788 1.24430 0.89860 1.25444 0.97570 0.96361 0.98113 1.69768 1.39370 1.18564 1.27975 0.86837 0.82829 0.78409 0.79445 1.21559 1.23331 1.19730 1.21383 0.85916 0.93804 0.99126 1.22417 0.99862 0.98848 0.96880 0.94432 0.89868 0.94243 0.93756 0.93338 0.90392 0.89153 0.76787 0.90136 0.89985 0.90877 0.91696 0.90718 0.90800 0.88482 0.93255 0.91208 0.90063 0.96191 0.91977 0.92747 0.96187 0.90639 0.92261 0.89717 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 0.03 0.32 11.01 101.05 1.11 1.44 16 2 O -0.39 -5.42 10.70 -35.23 -0.38 -5.80 16 3 C 0.07 0.86 5.44 37.15 0.20 1.07 16 4 C -0.13 -1.87 4.30 -26.73 -0.12 -1.99 16 5 C 0.20 2.98 0.35 -131.78 -0.05 2.93 16 6 N -0.72 -9.90 3.05 -47.57 -0.15 -10.04 16 7 C 0.52 7.74 6.29 -10.99 -0.07 7.67 16 8 O -0.51 -9.35 12.81 -14.30 -0.18 -9.53 16 9 C 0.08 0.91 3.06 -27.84 -0.09 0.82 16 10 H 0.08 0.76 8.14 -51.93 -0.42 0.34 16 11 C -0.15 -1.62 5.36 -26.60 -0.14 -1.76 16 12 C -0.12 -1.03 6.03 -26.55 -0.16 -1.19 16 13 C -0.16 -1.30 6.14 -26.59 -0.16 -1.46 16 14 C 0.06 0.55 6.84 37.21 0.25 0.80 16 15 O -0.35 -4.71 9.94 -55.09 -0.55 -5.26 16 16 C -0.14 -2.52 4.68 -26.61 -0.12 -2.64 16 17 C 0.16 3.10 6.26 -3.71 -0.02 3.07 16 18 N -0.60 -13.68 2.71 -172.31 -0.47 -14.15 16 19 C -0.26 -7.05 10.04 -15.06 -0.15 -7.20 16 20 H 0.08 2.47 8.06 -52.49 -0.42 2.05 16 21 C 0.02 0.68 5.34 -17.43 -0.09 0.58 16 22 N -0.91 -27.62 13.97 55.49 0.78 -26.85 16 23 Si 0.89 21.57 24.27 -169.99 -4.13 17.44 16 24 H -0.29 -6.59 6.48 56.52 0.37 -6.22 16 25 H -0.30 -7.60 7.11 56.52 0.40 -7.20 16 26 H -0.27 -6.31 6.60 56.52 0.37 -5.93 16 27 C 0.12 2.44 3.89 -3.71 -0.01 2.43 16 28 C -0.14 -2.23 4.76 -26.61 -0.13 -2.35 16 29 H 0.04 0.34 8.14 -51.93 -0.42 -0.09 16 30 H 0.08 0.69 8.14 -51.93 -0.42 0.27 16 31 H 0.04 0.34 8.14 -51.93 -0.42 -0.08 16 32 H 0.04 0.56 7.03 -51.93 -0.37 0.20 16 33 H 0.05 0.58 6.82 -51.93 -0.35 0.23 16 34 H 0.08 1.12 8.14 -51.93 -0.42 0.69 16 35 H 0.09 1.51 6.44 -51.93 -0.33 1.18 16 36 H 0.40 4.90 6.93 -40.82 -0.28 4.61 16 37 H 0.08 0.85 7.84 -51.93 -0.41 0.44 16 38 H 0.08 1.04 8.14 -51.93 -0.42 0.62 16 39 H 0.07 0.60 8.14 -51.93 -0.42 0.17 16 40 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 41 H 0.07 0.68 8.14 -51.93 -0.42 0.26 16 42 H 0.07 0.46 8.14 -51.93 -0.42 0.04 16 43 H 0.10 0.77 8.14 -51.93 -0.42 0.34 16 44 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 45 H 0.07 1.24 8.14 -51.93 -0.42 0.82 16 46 H 0.08 1.47 6.12 -51.93 -0.32 1.15 16 47 H 0.02 0.40 7.74 -51.93 -0.40 0.00 16 48 H 0.06 1.29 7.93 -51.93 -0.41 0.87 16 49 H 0.26 7.55 8.31 -40.82 -0.34 7.21 16 50 H 0.02 0.38 5.68 -51.93 -0.29 0.09 16 51 H 0.08 1.66 4.64 -51.93 -0.24 1.42 16 52 H 0.06 0.79 6.65 -51.93 -0.35 0.44 16 53 H 0.08 1.41 8.14 -51.93 -0.42 0.99 16 LS Contribution 391.59 15.07 5.90 5.90 Total: -1.00 -32.95 391.59 -8.21 -41.16 By element: Atomic # 1 Polarization: 14.21 SS G_CDS: -9.30 Total: 4.92 kcal Atomic # 6 Polarization: 1.95 SS G_CDS: 0.26 Total: 2.21 kcal Atomic # 7 Polarization: -51.20 SS G_CDS: 0.16 Total: -51.04 kcal Atomic # 8 Polarization: -19.49 SS G_CDS: -1.11 Total: -20.60 kcal Atomic # 14 Polarization: 21.57 SS G_CDS: -4.13 Total: 17.44 kcal Total LS contribution 5.90 Total: 5.90 kcal Total: -32.95 -8.21 -41.16 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. ZINC001151063290.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 -66.034 kcal (2) G-P(sol) polarization free energy of solvation -32.954 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -98.988 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.210 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.165 kcal (6) G-S(sol) free energy of system = (1) + (5) -107.199 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.96 seconds