Wall clock time and date at job start Tue Mar 31 2020 19:53:39 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 1.53001 * 1 3 3 H 1.08993 * 109.47235 * 2 1 4 4 C 1.50700 * 109.47093 * 120.00816 * 2 1 3 5 5 O 1.21275 * 120.00029 * 97.12044 * 4 2 1 6 6 N 1.34778 * 119.99417 * 277.11851 * 4 2 1 7 7 C 1.46938 * 120.56160 * 175.37039 * 6 4 2 8 8 C 1.53315 * 108.69845 * 125.77795 * 7 6 4 9 9 C 1.52265 * 109.41571 * 53.53158 * 8 7 6 10 10 C 1.54516 * 110.21262 * 177.79047 * 9 8 7 11 11 C 1.55237 * 101.44294 * 206.61105 * 10 9 8 12 12 N 1.47481 * 104.78994 * 36.65962 * 11 10 9 13 13 C 1.36944 * 125.65887 * 155.93430 * 12 11 10 14 14 H 1.07997 * 119.99800 * 211.18470 * 13 12 11 15 15 C 1.38806 * 120.00143 * 31.18011 * 13 12 11 16 16 N 1.31621 * 120.00192 * 199.21768 * 15 13 12 17 17 Si 1.86804 * 119.99802 * 19.21648 * 15 13 12 18 18 H 1.48497 * 109.47406 * 274.85578 * 17 15 13 19 19 H 1.48503 * 109.47002 * 34.86224 * 17 15 13 20 20 H 1.48510 * 109.46788 * 154.85625 * 17 15 13 21 21 C 1.47174 * 108.67867 * 335.66799 * 12 11 10 22 22 C 1.52275 * 111.26907 * 300.35043 * 9 8 7 23 23 C 1.46922 * 120.56689 * 355.39272 * 6 4 2 24 24 C 1.53001 * 109.46619 * 240.00355 * 2 1 3 25 25 H 1.08998 * 109.87236 * 298.99185 * 24 2 1 26 26 C 1.54097 * 109.87990 * 60.00030 * 24 2 1 27 27 C 1.54821 * 104.19017 * 121.44844 * 26 24 2 28 28 C 1.55000 * 102.08834 * 20.88243 * 27 26 24 29 29 O 1.43749 * 109.87559 * 177.83063 * 24 2 1 30 30 H 1.09004 * 109.47047 * 303.25593 * 1 2 3 31 31 H 1.09003 * 109.47363 * 63.24976 * 1 2 3 32 32 H 1.08995 * 109.47555 * 183.25513 * 1 2 3 33 33 H 1.09005 * 109.59900 * 6.01791 * 7 6 4 34 34 H 1.08997 * 109.72843 * 245.62347 * 7 6 4 35 35 H 1.09002 * 109.48193 * 293.54057 * 8 7 6 36 36 H 1.09000 * 109.47609 * 173.51285 * 8 7 6 37 37 H 1.09006 * 111.01180 * 324.83971 * 10 9 8 38 38 H 1.08997 * 111.01674 * 88.66910 * 10 9 8 39 39 H 1.09002 * 110.47870 * 277.80369 * 11 10 9 40 40 H 1.08995 * 110.33026 * 155.44547 * 11 10 9 41 41 H 0.97003 * 119.99979 * 180.02562 * 16 15 13 42 42 H 1.09001 * 109.90793 * 121.10293 * 21 12 11 43 43 H 1.09002 * 109.90732 * 242.17546 * 21 12 11 44 44 H 1.09003 * 109.47803 * 179.62063 * 22 9 8 45 45 H 1.09001 * 109.47958 * 299.64754 * 22 9 8 46 46 H 1.09000 * 109.60176 * 353.98229 * 23 6 4 47 47 H 1.09006 * 109.59624 * 114.28707 * 23 6 4 48 48 H 1.08994 * 110.49352 * 240.12496 * 26 24 2 49 49 H 1.09004 * 110.49014 * 2.64684 * 26 24 2 50 50 H 1.09002 * 110.90647 * 139.07439 * 27 26 24 51 51 H 1.08996 * 110.90869 * 262.65037 * 27 26 24 52 52 H 1.09004 * 110.61699 * 81.47446 * 28 27 26 53 53 H 1.08998 * 110.61794 * 204.31538 * 28 27 26 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 1 1.8933 1.0276 0.0000 4 6 2.0323 -0.7106 1.2304 5 8 2.3572 -1.8773 1.1666 6 7 2.1205 -0.0494 2.4015 7 6 2.5116 -0.7544 3.6299 8 6 3.7052 -0.0244 4.2568 9 6 3.3597 1.4474 4.4385 10 6 4.5304 2.1903 5.1205 11 6 3.7872 3.3604 5.8194 12 7 2.5110 2.7777 6.2741 13 6 1.7417 3.2466 7.3054 14 1 1.1490 2.5606 7.8922 15 6 1.7239 4.6037 7.5966 16 7 1.3132 5.0183 8.7764 17 14 2.2830 5.8415 6.3142 18 1 3.7585 5.9942 6.3836 19 1 1.8979 5.3620 4.9625 20 1 1.6368 7.1526 6.5770 21 6 2.1981 1.6124 5.4313 22 6 3.0246 2.1046 3.1064 23 6 1.8268 1.3885 2.4717 24 6 2.0399 -0.7212 -1.2493 25 1 1.6949 -1.7551 -1.2470 26 6 1.5314 -0.0020 -2.5138 27 6 2.8226 0.3897 -3.2728 28 6 3.8622 -0.5908 -2.6724 29 8 3.4764 -0.6822 -1.2841 30 1 -0.3633 0.5636 0.8594 31 1 -0.3634 0.4626 -0.9177 32 1 -0.3634 -1.0259 0.0583 33 1 2.7952 -1.7790 3.3889 34 1 1.6776 -0.7613 4.3316 35 1 4.5721 -0.1163 3.6025 36 1 3.9331 -0.4667 5.2266 37 1 5.0292 1.5496 5.8478 38 1 5.2391 2.5646 4.3818 39 1 3.6040 4.1711 5.1143 40 1 4.3643 3.7206 6.6710 41 1 1.3004 5.9667 8.9798 42 1 2.1093 0.7197 6.0504 43 1 1.2666 1.7839 4.8918 44 1 2.7759 3.1531 3.2708 45 1 3.8846 2.0351 2.4402 46 1 1.6589 1.7769 1.4672 47 1 0.9368 1.5505 3.0797 48 1 0.9235 -0.6757 -3.1175 49 1 0.9608 0.8867 -2.2438 50 1 2.7083 0.2270 -4.3446 51 1 3.0974 1.4238 -3.0652 52 1 3.7934 -1.5659 -3.1549 53 1 4.8702 -0.1871 -2.7675 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) 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 ZINC001035227857.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 19:53:39 Heat of formation + Delta-G solvation = -59.560108 kcal Electronic energy + Delta-G solvation = -31349.827791 eV Core-core repulsion = 27414.738863 eV Total energy + Delta-G solvation = -3935.088927 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.05 seconds Orbital eigenvalues (eV) -40.80556 -39.71033 -38.51178 -35.84671 -34.39476 -33.04823 -32.21341 -31.30769 -30.95613 -29.14588 -28.23011 -26.68150 -25.34150 -24.25356 -23.39746 -22.74497 -22.03570 -20.94263 -20.71410 -19.48640 -18.06763 -17.40121 -16.74753 -16.60936 -16.15096 -15.87258 -15.41355 -15.23736 -15.06738 -14.86129 -14.09336 -13.97037 -13.84507 -13.76859 -13.55842 -13.23050 -12.97491 -12.83777 -12.59078 -12.34437 -12.25748 -12.01332 -11.97655 -11.86188 -11.81026 -11.64847 -11.45754 -11.37009 -11.24442 -11.08123 -10.92314 -10.87238 -10.69321 -10.28955 -10.15611 -10.00489 -9.84632 -9.83283 -9.56252 -9.52251 -8.60003 -8.49239 -6.86311 -5.97810 -3.36261 2.68963 3.00927 3.34205 3.44844 3.48789 3.55254 4.19034 4.26719 4.50906 4.53641 4.57667 4.65595 4.72181 4.84002 4.91110 4.92155 4.97375 5.03717 5.12063 5.17657 5.22510 5.30946 5.34987 5.37087 5.40566 5.42821 5.45942 5.46692 5.56650 5.60072 5.67312 5.73391 5.77349 5.80878 5.84221 5.88717 5.90376 6.02578 6.08335 6.16142 6.17460 6.32770 6.54212 6.59018 6.62071 6.69399 6.71401 6.80334 6.84598 7.46916 7.87091 8.24171 8.33747 8.85724 9.67908 10.24269 11.18855 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.018528 B = 0.002965 C = 0.002862 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1510.842789 B = 9440.371623 C = 9781.341750 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.143 4.143 2 C -0.113 4.113 3 H 0.100 0.900 4 C 0.527 3.473 5 O -0.541 6.541 6 N -0.606 5.606 7 C 0.112 3.888 8 C -0.113 4.113 9 C -0.072 4.072 10 C -0.122 4.122 11 C 0.117 3.883 12 N -0.607 5.607 13 C -0.244 4.244 14 H 0.084 0.916 15 C 0.029 3.971 16 N -0.908 5.908 17 Si 0.886 3.114 18 H -0.285 1.285 19 H -0.275 1.275 20 H -0.302 1.302 21 C 0.143 3.857 22 C -0.117 4.117 23 C 0.104 3.896 24 C 0.096 3.904 25 H 0.078 0.922 26 C -0.154 4.154 27 C -0.156 4.156 28 C 0.045 3.955 29 O -0.364 6.364 30 H 0.069 0.931 31 H 0.071 0.929 32 H 0.064 0.936 33 H 0.088 0.912 34 H 0.070 0.930 35 H 0.064 0.936 36 H 0.077 0.923 37 H 0.070 0.930 38 H 0.063 0.937 39 H 0.020 0.980 40 H 0.053 0.947 41 H 0.263 0.737 42 H 0.031 0.969 43 H 0.031 0.969 44 H 0.079 0.921 45 H 0.064 0.936 46 H 0.082 0.918 47 H 0.078 0.922 48 H 0.077 0.923 49 H 0.082 0.918 50 H 0.079 0.921 51 H 0.077 0.923 52 H 0.059 0.941 53 H 0.091 0.909 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.842 -9.455 -23.994 25.856 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 -0.201 4.201 2 C -0.135 4.135 3 H 0.118 0.882 4 C 0.315 3.685 5 O -0.418 6.418 6 N -0.339 5.339 7 C -0.010 4.010 8 C -0.152 4.152 9 C -0.072 4.072 10 C -0.161 4.161 11 C -0.008 4.008 12 N -0.334 5.334 13 C -0.371 4.371 14 H 0.102 0.898 15 C -0.170 4.170 16 N -0.551 5.551 17 Si 0.716 3.284 18 H -0.212 1.212 19 H -0.201 1.201 20 H -0.230 1.230 21 C 0.018 3.982 22 C -0.155 4.155 23 C -0.019 4.019 24 C 0.037 3.963 25 H 0.096 0.904 26 C -0.191 4.191 27 C -0.194 4.194 28 C -0.032 4.032 29 O -0.283 6.283 30 H 0.088 0.912 31 H 0.090 0.910 32 H 0.083 0.917 33 H 0.107 0.893 34 H 0.089 0.911 35 H 0.082 0.918 36 H 0.095 0.905 37 H 0.089 0.911 38 H 0.081 0.919 39 H 0.038 0.962 40 H 0.071 0.929 41 H 0.073 0.927 42 H 0.049 0.951 43 H 0.049 0.951 44 H 0.098 0.902 45 H 0.082 0.918 46 H 0.100 0.900 47 H 0.096 0.904 48 H 0.096 0.904 49 H 0.101 0.899 50 H 0.097 0.903 51 H 0.096 0.904 52 H 0.077 0.923 53 H 0.109 0.891 Dipole moment (debyes) X Y Z Total from point charges 2.043 -9.929 -23.635 25.717 hybrid contribution 0.177 1.089 -0.752 1.336 sum 2.220 -8.839 -24.387 26.035 Atomic orbital electron populations 1.21769 0.91689 1.03340 1.03281 1.21525 0.97726 1.01183 0.93022 0.88229 1.20310 0.77336 0.86933 0.83950 1.90660 1.49312 1.16998 1.84836 1.48083 1.67910 1.09708 1.08219 1.21647 0.97454 0.96845 0.85098 1.21772 0.97626 0.94744 1.01052 1.21005 0.97146 0.94301 0.94788 1.22788 0.96167 0.98125 0.98989 1.21955 0.87947 0.94071 0.96783 1.44765 1.20065 1.32368 1.36204 1.18571 1.22897 0.91306 1.04365 0.89798 1.25333 0.98206 0.96867 0.96633 1.69820 1.50371 1.15197 1.19720 0.86813 0.77869 0.80633 0.83098 1.21186 1.20061 1.23008 1.21463 0.94334 0.91514 0.90882 1.21764 0.97674 1.00082 0.95981 1.21931 0.98834 0.79538 1.01593 1.22546 0.81729 0.99145 0.92831 0.90406 1.23081 0.98328 1.01466 0.96256 1.23144 0.95150 1.00678 1.00398 1.23538 0.98948 0.98247 0.82485 1.88981 1.19962 1.95015 1.24343 0.91171 0.90998 0.91661 0.89314 0.91127 0.91776 0.90479 0.91130 0.91871 0.96228 0.92866 0.92669 0.95068 0.95135 0.90232 0.91767 0.89986 0.90404 0.90399 0.89927 0.90264 0.90430 0.92276 0.89077 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. 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 -0.14 -1.15 8.96 37.16 0.33 -0.82 16 2 C -0.11 -1.17 1.57 -91.77 -0.14 -1.31 16 3 H 0.10 0.95 6.17 -51.93 -0.32 0.63 16 4 C 0.53 7.29 6.56 -10.98 -0.07 7.22 16 5 O -0.54 -9.31 15.38 5.54 0.09 -9.23 16 6 N -0.61 -8.02 2.96 -172.61 -0.51 -8.53 16 7 C 0.11 1.51 6.16 -3.64 -0.02 1.49 16 8 C -0.11 -1.55 4.70 -26.94 -0.13 -1.67 16 9 C -0.07 -1.11 0.53 -154.10 -0.08 -1.19 16 10 C -0.12 -2.02 6.00 -24.75 -0.15 -2.17 16 11 C 0.12 2.50 4.56 -2.32 -0.01 2.49 16 12 N -0.61 -14.39 3.03 -170.09 -0.51 -14.91 16 13 C -0.24 -6.86 10.52 -15.06 -0.16 -7.02 16 14 H 0.08 2.53 8.06 -52.49 -0.42 2.11 16 15 C 0.03 0.84 5.45 -17.43 -0.09 0.75 16 16 N -0.91 -27.89 13.97 55.49 0.78 -27.12 16 17 Si 0.89 22.38 24.53 -169.99 -4.17 18.21 16 18 H -0.28 -7.00 7.00 56.52 0.40 -6.61 16 19 H -0.27 -6.74 6.94 56.52 0.39 -6.34 16 20 H -0.30 -7.73 7.11 56.52 0.40 -7.33 16 21 C 0.14 2.73 5.43 -3.31 -0.02 2.72 16 22 C -0.12 -1.63 4.78 -26.94 -0.13 -1.76 16 23 C 0.10 1.27 5.75 -3.65 -0.02 1.25 16 24 C 0.10 0.98 2.53 -26.16 -0.07 0.92 16 25 H 0.08 0.89 7.86 -51.93 -0.41 0.48 16 26 C -0.15 -1.06 5.99 -25.20 -0.15 -1.21 16 27 C -0.16 -1.01 7.15 -24.71 -0.18 -1.19 16 28 C 0.04 0.38 7.72 38.21 0.29 0.67 16 29 O -0.36 -4.54 10.80 -35.26 -0.38 -4.92 16 30 H 0.07 0.56 7.88 -51.93 -0.41 0.15 16 31 H 0.07 0.42 6.44 -51.93 -0.33 0.09 16 32 H 0.06 0.56 8.14 -51.93 -0.42 0.14 16 33 H 0.09 1.26 6.99 -51.93 -0.36 0.90 16 34 H 0.07 0.95 7.47 -51.93 -0.39 0.56 16 35 H 0.06 0.87 8.14 -51.93 -0.42 0.45 16 36 H 0.08 1.03 8.10 -51.93 -0.42 0.60 16 37 H 0.07 1.14 8.01 -51.93 -0.42 0.72 16 38 H 0.06 0.92 8.01 -51.93 -0.42 0.50 16 39 H 0.02 0.44 5.02 -51.93 -0.26 0.18 16 40 H 0.05 1.21 7.87 -51.93 -0.41 0.80 16 41 H 0.26 7.67 8.31 -40.82 -0.34 7.33 16 42 H 0.03 0.60 7.59 -51.93 -0.39 0.21 16 43 H 0.03 0.59 6.09 -51.93 -0.32 0.27 16 44 H 0.08 1.23 7.47 -51.93 -0.39 0.84 16 45 H 0.06 0.84 8.14 -51.93 -0.42 0.42 16 46 H 0.08 0.82 5.40 -51.93 -0.28 0.54 16 47 H 0.08 1.00 6.54 -51.93 -0.34 0.66 16 48 H 0.08 0.44 8.14 -51.93 -0.42 0.02 16 49 H 0.08 0.49 6.49 -51.93 -0.34 0.15 16 50 H 0.08 0.38 8.14 -51.93 -0.42 -0.04 16 51 H 0.08 0.50 8.14 -51.93 -0.42 0.07 16 52 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 53 H 0.09 0.67 8.14 -51.93 -0.42 0.24 16 LS Contribution 386.98 15.07 5.83 5.83 Total: -1.00 -33.90 386.98 -8.83 -42.73 By element: Atomic # 1 Polarization: 7.94 SS G_CDS: -9.16 Total: -1.22 kcal Atomic # 6 Polarization: -0.05 SS G_CDS: -0.79 Total: -0.85 kcal Atomic # 7 Polarization: -50.31 SS G_CDS: -0.25 Total: -50.56 kcal Atomic # 8 Polarization: -13.85 SS G_CDS: -0.30 Total: -14.15 kcal Atomic # 14 Polarization: 22.38 SS G_CDS: -4.17 Total: 18.21 kcal Total LS contribution 5.83 Total: 5.83 kcal Total: -33.90 -8.83 -42.73 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. ZINC001035227857.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 -16.828 kcal (2) G-P(sol) polarization free energy of solvation -33.898 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -50.726 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.834 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.732 kcal (6) G-S(sol) free energy of system = (1) + (5) -59.560 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.05 seconds