Wall clock time and date at job start Tue Mar 31 2020 21:06:49 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 N 2 2 C 1.31622 * 1 3 3 Si 1.86797 * 120.00146 * 2 1 4 4 H 1.48506 * 109.46919 * 274.62366 * 3 2 1 5 5 H 1.48499 * 109.47359 * 34.62263 * 3 2 1 6 6 H 1.48499 * 109.47185 * 154.62851 * 3 2 1 7 7 C 1.38811 * 119.99714 * 179.97438 * 2 1 3 8 8 H 1.08001 * 119.99654 * 170.53803 * 7 2 1 9 9 N 1.36940 * 120.00224 * 350.54324 * 7 2 1 10 10 C 1.46757 * 125.33367 * 350.00854 * 9 7 2 11 11 C 1.53978 * 106.67704 * 198.42907 * 10 9 7 12 12 H 1.08997 * 112.80068 * 209.36883 * 11 10 9 13 13 C 1.53675 * 109.29560 * 82.34521 * 11 10 9 14 14 N 1.46658 * 107.96797 * 233.06017 * 13 11 10 15 15 C 1.34776 * 125.33558 * 179.28972 * 14 13 11 16 16 O 1.21283 * 119.99590 * 0.02562 * 15 14 13 17 17 C 1.50695 * 120.00396 * 179.97438 * 15 14 13 18 18 H 1.09000 * 109.47334 * 15.00568 * 17 15 14 19 19 F 1.39896 * 109.47666 * 255.00175 * 17 15 14 20 20 C 1.53000 * 109.46966 * 135.00183 * 17 15 14 21 21 C 1.52998 * 109.47075 * 185.00332 * 20 17 15 22 22 C 1.53002 * 109.47430 * 295.00078 * 21 20 17 23 23 C 1.52998 * 109.47430 * 179.97438 * 22 21 20 24 24 C 1.53002 * 109.47022 * 59.99935 * 23 22 21 25 25 C 1.53000 * 109.47175 * 299.99910 * 24 23 22 26 26 C 1.52998 * 109.47072 * 60.00121 * 25 24 23 27 27 C 1.46762 * 109.33337 * 359.29183 * 14 13 11 28 28 C 1.53977 * 106.67546 * 18.44862 * 27 14 13 29 29 H 1.08999 * 113.35004 * 209.06251 * 28 27 14 30 30 C 1.46662 * 125.33556 * 169.98372 * 9 7 2 31 31 H 0.97004 * 119.99821 * 0.02562 * 1 2 3 32 32 H 1.08999 * 110.01580 * 317.73809 * 10 9 7 33 33 H 1.09001 * 110.01724 * 79.12485 * 10 9 7 34 34 H 1.08994 * 109.76952 * 352.68666 * 13 11 10 35 35 H 1.08997 * 109.77072 * 113.43248 * 13 11 10 36 36 H 1.09001 * 109.47338 * 304.99997 * 20 17 15 37 37 H 1.09001 * 109.47015 * 65.00333 * 20 17 15 38 38 H 1.09000 * 109.47731 * 55.00055 * 21 20 17 39 39 H 1.09003 * 109.47042 * 299.99988 * 22 21 20 40 40 H 1.08997 * 109.46882 * 59.99814 * 22 21 20 41 41 H 1.08994 * 109.47302 * 299.99971 * 23 22 21 42 42 H 1.08998 * 109.47315 * 179.97438 * 23 22 21 43 43 H 1.09005 * 109.47168 * 179.97438 * 24 23 22 44 44 H 1.09003 * 109.47168 * 60.00184 * 24 23 22 45 45 H 1.08994 * 109.47109 * 299.99939 * 25 24 23 46 46 H 1.09006 * 109.47258 * 180.02562 * 25 24 23 47 47 H 1.08998 * 109.47315 * 180.02562 * 26 25 24 48 48 H 1.09008 * 109.47427 * 59.99887 * 26 25 24 49 49 H 1.09004 * 110.01367 * 259.14426 * 27 14 13 50 50 H 1.08996 * 110.01633 * 137.75809 * 27 14 13 51 51 H 1.09006 * 109.76378 * 59.68353 * 30 9 7 52 52 H 1.08993 * 109.76586 * 298.94626 * 30 9 7 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 2.2502 1.6177 0.0000 4 1 2.4000 2.1028 -1.3956 5 1 1.5000 2.6225 0.7955 6 1 3.5933 1.4138 0.5999 7 6 2.0102 -1.2022 0.0005 8 1 3.0792 -1.2086 -0.1532 9 7 1.3395 -2.3800 0.1959 10 6 -0.0609 -2.4992 0.6185 11 6 -0.2412 -3.9326 1.1512 12 1 -1.2556 -4.3083 1.0177 13 6 0.2451 -3.9981 2.6075 14 7 1.2162 -5.0922 2.7114 15 6 1.8720 -5.4484 3.8337 16 8 1.6766 -4.8451 4.8675 17 6 2.8473 -6.5968 3.8042 18 1 3.0921 -6.8392 2.7701 19 9 2.2722 -7.7130 4.4212 20 6 4.1228 -6.2019 4.5512 21 6 5.1598 -7.3187 4.4153 22 6 4.6502 -8.5766 5.1216 23 6 5.6869 -9.6936 4.9852 24 6 7.0037 -9.2479 5.6242 25 6 7.5134 -7.9900 4.9180 26 6 6.4767 -6.8731 5.0544 27 6 1.3619 -5.7386 1.4019 28 6 0.8174 -4.7474 0.3569 29 1 0.4048 -5.2344 -0.5267 30 6 1.9078 -3.7198 0.0151 31 1 -0.4850 0.8401 -0.0004 32 1 -0.2752 -1.7782 1.4074 33 1 -0.7226 -2.3309 -0.2311 34 1 0.7207 -3.0561 2.8800 35 1 -0.5990 -4.1903 3.2697 36 1 4.5226 -5.2813 4.1261 37 1 3.8930 -6.0457 5.6052 38 1 5.3239 -7.5359 3.3599 39 1 4.4862 -8.3596 6.1771 40 1 3.7123 -8.8943 4.6660 41 1 5.8505 -9.9106 3.9296 42 1 5.3240 -10.5896 5.4887 43 1 7.7422 -10.0439 5.5275 44 1 6.8402 -9.0310 6.6798 45 1 7.6769 -8.2070 3.8624 46 1 8.4518 -7.6728 5.3730 47 1 6.8395 -5.9771 4.5509 48 1 6.3131 -6.6561 6.1100 49 1 0.7847 -6.6629 1.3757 50 1 2.4130 -5.9490 1.2045 51 1 2.7604 -3.8516 0.6815 52 1 2.2250 -3.8491 -1.0195 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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 ZINC001049173445.mol2 52 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 21:06:49 Heat of formation + Delta-G solvation = -80.467174 kcal Electronic energy + Delta-G solvation = -30864.339982 eV Core-core repulsion = 26777.572673 eV Total energy + Delta-G solvation = -4086.767309 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 338.211 amu Computer time = 1.02 seconds Orbital eigenvalues (eV) -48.08679 -40.25562 -38.90746 -38.18318 -35.04837 -33.70923 -32.32661 -30.93436 -30.56575 -29.81686 -29.14995 -25.95997 -25.58599 -24.22786 -22.93050 -22.67449 -21.21037 -20.21872 -20.00591 -19.49393 -19.32826 -17.76466 -16.95876 -16.62030 -16.08111 -15.69819 -15.40450 -15.12765 -14.74130 -14.56386 -14.38360 -14.12482 -13.86258 -13.76160 -13.57534 -13.18163 -12.90903 -12.81921 -12.70387 -12.30293 -12.10569 -12.06225 -12.02459 -11.77380 -11.71578 -11.45845 -11.42381 -11.27605 -11.05416 -10.92672 -10.84819 -10.65537 -10.46502 -10.31950 -10.14873 -10.13909 -10.04708 -10.00379 -9.74430 -9.53541 -8.64569 -8.46510 -6.85180 -5.80261 -3.13096 2.50029 2.92126 3.36972 3.43448 3.45223 4.18250 4.27634 4.41946 4.44375 4.47804 4.58608 4.63514 4.66890 4.82256 4.95060 5.05752 5.10402 5.15001 5.20355 5.28387 5.32822 5.36178 5.39793 5.43926 5.46467 5.52064 5.61708 5.65314 5.71733 5.73869 5.80274 5.83101 5.85991 5.95193 5.95789 6.01143 6.05316 6.09949 6.20683 6.22165 6.29231 6.30171 6.41987 6.58044 6.64170 6.74447 7.36722 7.50193 7.57553 7.72216 8.10507 8.20987 9.15204 9.76673 10.41374 11.32743 Molecular weight = 338.21amu Principal moments of inertia in cm(-1) A = 0.015125 B = 0.002763 C = 0.002524 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1850.773592 B =10131.319640 C =11091.262591 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.917 5.917 2 C -0.005 4.005 3 Si 0.910 3.090 4 H -0.289 1.289 5 H -0.289 1.289 6 H -0.280 1.280 7 C -0.232 4.232 8 H 0.076 0.924 9 N -0.598 5.598 10 C 0.184 3.816 11 C -0.124 4.124 12 H 0.091 0.909 13 C 0.119 3.881 14 N -0.599 5.599 15 C 0.504 3.496 16 O -0.526 6.526 17 C 0.087 3.913 18 H 0.099 0.901 19 F -0.187 7.187 20 C -0.133 4.133 21 C -0.084 4.084 22 C -0.132 4.132 23 C -0.119 4.119 24 C -0.121 4.121 25 C -0.118 4.118 26 C -0.114 4.114 27 C 0.105 3.895 28 C -0.108 4.108 29 H 0.100 0.900 30 C 0.144 3.856 31 H 0.254 0.746 32 H 0.062 0.938 33 H 0.037 0.963 34 H 0.081 0.919 35 H 0.061 0.939 36 H 0.086 0.914 37 H 0.087 0.913 38 H 0.072 0.928 39 H 0.061 0.939 40 H 0.085 0.915 41 H 0.059 0.941 42 H 0.059 0.941 43 H 0.057 0.943 44 H 0.060 0.940 45 H 0.061 0.939 46 H 0.060 0.940 47 H 0.063 0.937 48 H 0.063 0.937 49 H 0.067 0.933 50 H 0.074 0.926 51 H 0.022 0.978 52 H 0.024 0.976 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 8.487 -19.629 6.480 22.345 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 -0.564 5.564 2 C -0.202 4.202 3 Si 0.740 3.260 4 H -0.216 1.216 5 H -0.216 1.216 6 H -0.206 1.206 7 C -0.360 4.360 8 H 0.093 0.907 9 N -0.325 5.325 10 C 0.059 3.941 11 C -0.144 4.144 12 H 0.109 0.891 13 C -0.002 4.002 14 N -0.332 5.332 15 C 0.289 3.711 16 O -0.402 6.402 17 C 0.048 3.952 18 H 0.117 0.883 19 F -0.167 7.167 20 C -0.171 4.171 21 C -0.103 4.103 22 C -0.169 4.169 23 C -0.156 4.156 24 C -0.158 4.158 25 C -0.156 4.156 26 C -0.152 4.152 27 C -0.018 4.018 28 C -0.127 4.127 29 H 0.119 0.881 30 C 0.018 3.982 31 H 0.064 0.936 32 H 0.080 0.920 33 H 0.055 0.945 34 H 0.099 0.901 35 H 0.079 0.921 36 H 0.104 0.896 37 H 0.106 0.894 38 H 0.091 0.909 39 H 0.080 0.920 40 H 0.103 0.897 41 H 0.078 0.922 42 H 0.078 0.922 43 H 0.076 0.924 44 H 0.079 0.921 45 H 0.080 0.920 46 H 0.078 0.922 47 H 0.082 0.918 48 H 0.082 0.918 49 H 0.086 0.914 50 H 0.092 0.908 51 H 0.039 0.961 52 H 0.042 0.958 Dipole moment (debyes) X Y Z Total from point charges 8.356 -19.111 7.118 22.039 hybrid contribution 0.363 0.858 -0.126 0.940 sum 8.719 -18.254 6.992 21.403 Atomic orbital electron populations 1.69950 1.04959 1.25322 1.56183 1.24819 0.95637 0.97853 1.01853 0.86136 0.78818 0.83505 0.77506 1.21571 1.21553 1.20594 1.18976 0.91104 0.82689 1.43212 0.90659 1.44174 1.09205 0.99872 1.79201 1.21083 0.86304 0.88625 0.98085 1.23212 0.97961 1.00545 0.92696 0.89067 1.21938 0.90979 0.90218 0.97084 1.48327 1.42049 1.33858 1.08974 1.20513 0.81790 0.85751 0.82997 1.90725 1.64446 1.54567 1.30419 1.21625 0.92578 0.82202 0.98788 0.88298 1.92772 1.86289 1.52572 1.85109 1.22120 0.92614 0.99689 1.02652 1.21164 0.94243 0.94532 1.00350 1.21989 0.99408 0.94342 1.01205 1.21540 0.95260 0.98113 1.00732 1.21555 0.97097 0.97330 0.99839 1.21517 0.98045 0.95283 1.00750 1.21569 0.94411 0.98032 1.01181 1.22124 1.01097 0.96031 0.82594 1.22838 0.97233 0.95606 0.97031 0.88136 1.21148 0.93709 0.85788 0.97600 0.93618 0.91974 0.94453 0.90114 0.92108 0.89559 0.89397 0.90943 0.92002 0.89704 0.92178 0.92230 0.92407 0.92136 0.92025 0.92155 0.91786 0.91806 0.91434 0.90789 0.96060 0.95820 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -0.92 -26.34 10.62 55.49 0.59 -25.75 16 2 C 0.00 -0.13 5.40 -17.43 -0.09 -0.22 16 3 Si 0.91 21.88 29.56 -169.99 -5.03 16.86 16 4 H -0.29 -6.90 7.11 56.52 0.40 -6.50 16 5 H -0.29 -7.03 7.11 56.52 0.40 -6.63 16 6 H -0.28 -6.62 7.11 56.52 0.40 -6.22 16 7 C -0.23 -6.31 10.21 -15.06 -0.15 -6.46 16 8 H 0.08 2.00 7.85 -52.49 -0.41 1.59 16 9 N -0.60 -14.58 3.38 -171.89 -0.58 -15.16 16 10 C 0.18 4.19 4.55 -3.39 -0.02 4.18 16 11 C -0.12 -2.12 4.09 -88.48 -0.36 -2.48 16 12 H 0.09 1.36 8.14 -51.93 -0.42 0.93 16 13 C 0.12 2.11 6.24 -3.61 -0.02 2.09 16 14 N -0.60 -9.41 3.31 -172.34 -0.57 -9.98 16 15 C 0.50 8.14 7.18 -10.99 -0.08 8.06 16 16 O -0.53 -10.44 16.92 5.56 0.09 -10.35 16 17 C 0.09 1.06 3.49 -27.89 -0.10 0.96 16 18 H 0.10 0.96 6.19 -51.93 -0.32 0.64 16 19 F -0.19 -2.39 13.88 2.25 0.03 -2.36 16 20 C -0.13 -1.48 4.27 -26.73 -0.11 -1.59 16 21 C -0.08 -0.76 2.19 -90.62 -0.20 -0.96 16 22 C -0.13 -1.20 4.65 -26.73 -0.12 -1.33 16 23 C -0.12 -0.92 5.92 -26.73 -0.16 -1.08 16 24 C -0.12 -0.89 5.92 -26.73 -0.16 -1.04 16 25 C -0.12 -0.89 5.92 -26.73 -0.16 -1.05 16 26 C -0.11 -0.97 5.21 -26.73 -0.14 -1.11 16 27 C 0.10 1.32 5.59 -3.39 -0.02 1.31 16 28 C -0.11 -1.62 4.09 -88.48 -0.36 -1.99 16 29 H 0.10 1.31 8.14 -51.93 -0.42 0.89 16 30 C 0.14 2.76 6.63 -3.60 -0.02 2.74 16 31 H 0.25 7.09 8.31 -40.82 -0.34 6.75 16 32 H 0.06 1.60 6.87 -51.93 -0.36 1.24 16 33 H 0.04 0.93 7.80 -51.93 -0.41 0.53 16 34 H 0.08 1.70 7.47 -51.93 -0.39 1.31 16 35 H 0.06 1.02 8.14 -51.93 -0.42 0.60 16 36 H 0.09 0.98 8.14 -51.93 -0.42 0.56 16 37 H 0.09 1.09 8.05 -51.93 -0.42 0.67 16 38 H 0.07 0.62 8.14 -51.93 -0.42 0.19 16 39 H 0.06 0.60 8.14 -51.93 -0.42 0.18 16 40 H 0.08 0.83 5.43 -51.93 -0.28 0.55 16 41 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 42 H 0.06 0.44 8.14 -51.93 -0.42 0.01 16 43 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 44 H 0.06 0.46 8.14 -51.93 -0.42 0.03 16 45 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 46 H 0.06 0.42 8.14 -51.93 -0.42 0.00 16 47 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 48 H 0.06 0.56 8.14 -51.92 -0.42 0.14 16 49 H 0.07 0.71 8.14 -51.93 -0.42 0.29 16 50 H 0.07 0.80 6.58 -51.93 -0.34 0.46 16 51 H 0.02 0.42 7.47 -51.93 -0.39 0.03 16 52 H 0.02 0.46 8.14 -51.93 -0.42 0.03 16 LS Contribution 392.82 15.07 5.92 5.92 Total: -1.00 -31.36 392.82 -11.03 -42.39 By element: Atomic # 1 Polarization: 7.63 SS G_CDS: -9.21 Total: -1.59 kcal Atomic # 6 Polarization: 2.29 SS G_CDS: -2.28 Total: 0.01 kcal Atomic # 7 Polarization: -50.33 SS G_CDS: -0.56 Total: -50.89 kcal Atomic # 8 Polarization: -10.44 SS G_CDS: 0.09 Total: -10.35 kcal Atomic # 9 Polarization: -2.39 SS G_CDS: 0.03 Total: -2.36 kcal Atomic # 14 Polarization: 21.88 SS G_CDS: -5.03 Total: 16.86 kcal Total LS contribution 5.92 Total: 5.92 kcal Total: -31.36 -11.03 -42.39 kcal The number of atoms in the molecule is 52 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. ZINC001049173445.mol2 52 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 -38.073 kcal (2) G-P(sol) polarization free energy of solvation -31.362 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -69.435 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.032 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.394 kcal (6) G-S(sol) free energy of system = (1) + (5) -80.467 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.02 seconds