Wall clock time and date at job start Wed Apr 1 2020 00:19:36 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 1.09000 * 109.55613 * 2 1 4 4 C 1.53293 * 109.51006 * 120.12630 * 2 1 3 5 5 N 1.47160 * 108.41331 * 172.32745 * 4 2 1 6 6 C 1.34770 * 120.98973 * 129.39243 * 5 4 2 7 7 O 1.21594 * 120.00069 * 175.00894 * 6 5 4 8 8 N 1.34778 * 120.00195 * 355.01157 * 6 5 4 9 9 C 1.46500 * 120.00086 * 185.08242 * 8 6 5 10 10 C 1.52998 * 109.46744 * 179.97438 * 9 8 6 11 11 C 1.52999 * 109.47609 * 299.99668 * 10 9 8 12 12 C 1.53002 * 109.47404 * 60.00259 * 10 9 8 13 13 C 1.50703 * 109.46837 * 179.97438 * 10 9 8 14 14 H 1.07999 * 120.00093 * 359.97438 * 13 10 9 15 15 C 1.37880 * 120.00135 * 180.02562 * 13 10 9 16 16 N 1.31516 * 119.99547 * 359.97438 * 15 13 10 17 17 Si 1.86800 * 120.00113 * 180.02562 * 15 13 10 18 18 H 1.48499 * 109.47158 * 59.99814 * 17 15 13 19 19 H 1.48502 * 109.46962 * 180.02562 * 17 15 13 20 20 H 1.48497 * 109.46922 * 299.99531 * 17 15 13 21 21 C 1.47166 * 118.02186 * 309.37230 * 5 4 2 22 22 C 1.53200 * 108.41419 * 50.39562 * 21 5 4 23 23 C 1.53091 * 109.42355 * 187.92080 * 22 21 5 24 24 C 1.53199 * 109.03668 * 183.24879 * 23 22 21 25 25 C 1.53095 * 109.14083 * 56.89039 * 24 23 22 26 26 O 1.42901 * 109.43916 * 302.34239 * 25 24 23 27 27 C 1.42921 * 114.09149 * 61.18657 * 26 25 24 28 28 O 1.42861 * 109.41951 * 307.95228 * 22 21 5 29 29 H 1.09005 * 109.47588 * 299.87450 * 1 2 3 30 30 H 1.09000 * 109.47111 * 59.86967 * 1 2 3 31 31 H 1.08998 * 109.47334 * 179.86875 * 1 2 3 32 32 H 1.09001 * 109.68417 * 52.59267 * 4 2 1 33 33 H 1.08995 * 109.68643 * 292.07112 * 4 2 1 34 34 H 0.97001 * 119.99461 * 5.07470 * 8 6 5 35 35 H 1.09005 * 109.46892 * 299.99696 * 9 8 6 36 36 H 1.08994 * 109.47224 * 59.99946 * 9 8 6 37 37 H 1.09001 * 109.46871 * 60.00069 * 11 10 9 38 38 H 1.09000 * 109.47305 * 180.02562 * 11 10 9 39 39 H 1.08999 * 109.47156 * 300.00834 * 11 10 9 40 40 H 1.09005 * 109.47340 * 59.99361 * 12 10 9 41 41 H 1.09000 * 109.47430 * 179.97438 * 12 10 9 42 42 H 1.09001 * 109.46680 * 299.99688 * 12 10 9 43 43 H 0.97003 * 119.99675 * 180.02562 * 16 15 13 44 44 H 1.09000 * 109.67865 * 170.13096 * 21 5 4 45 45 H 1.09007 * 109.67537 * 290.62996 * 21 5 4 46 46 H 1.08998 * 109.54351 * 303.11403 * 23 22 21 47 47 H 1.08999 * 109.54445 * 63.38459 * 23 22 21 48 48 H 1.09000 * 109.52552 * 176.78661 * 24 23 22 49 49 H 1.09001 * 109.52458 * 296.99118 * 24 23 22 50 50 H 1.09000 * 109.48068 * 62.33496 * 25 24 23 51 51 H 1.08998 * 109.47498 * 182.35115 * 25 24 23 52 52 H 1.09004 * 109.47698 * 178.99223 * 27 26 25 53 53 H 1.08996 * 109.48458 * 58.96553 * 27 26 25 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 1.8949 1.0271 0.0000 4 6 2.0420 -0.7252 1.2497 5 7 3.5015 -0.8744 1.1354 6 6 4.3181 -0.5003 2.1402 7 8 5.5126 -0.7145 2.0646 8 7 3.8107 0.1113 3.2288 9 6 4.7086 0.6176 4.2697 10 6 3.8836 1.2624 5.3853 11 6 3.0652 2.4203 4.8105 12 6 2.9394 0.2206 5.9888 13 6 4.8072 1.7827 6.4564 14 1 5.8757 1.6649 6.3522 15 6 4.2882 2.4083 7.5701 16 7 2.9870 2.5513 7.6973 17 14 5.4330 3.0538 8.8975 18 1 6.3490 4.0655 8.3121 19 1 4.6323 3.6785 9.9810 20 1 6.2278 1.9302 9.4551 21 6 4.0429 -1.4447 -0.1085 22 6 3.4318 -0.6896 -1.2932 23 6 3.8229 -1.3878 -2.5983 24 6 3.2760 -0.5808 -3.7801 25 6 3.8123 0.8510 -3.7013 26 8 3.4370 1.4313 -2.4505 27 6 3.9588 0.7466 -1.3097 28 8 2.0090 -0.6772 -1.1655 29 1 -0.3634 0.5119 0.8911 30 1 -0.3633 0.5159 -0.8888 31 1 -0.3634 -1.0276 -0.0024 32 1 1.5769 -1.7085 1.3200 33 1 1.8011 -0.1410 2.1378 34 1 2.8510 0.2163 3.3229 35 1 5.2920 -0.2072 4.6790 36 1 5.3810 1.3601 3.8400 37 1 2.3972 2.0436 4.0359 38 1 2.4778 2.8799 5.6053 39 1 3.7379 3.1624 4.3805 40 1 3.5225 -0.6043 6.3983 41 1 2.3520 0.6799 6.7838 42 1 2.2714 -0.1561 5.2142 43 1 2.6218 2.9918 8.4807 44 1 5.1271 -1.3332 -0.1221 45 1 3.7819 -2.5012 -0.1720 46 1 4.9089 -1.4472 -2.6688 47 1 3.3996 -2.3921 -2.6156 48 1 3.5982 -1.0396 -4.7148 49 1 2.1869 -0.5647 -3.7374 50 1 4.8991 0.8371 -3.7839 51 1 3.3934 1.4413 -4.5162 52 1 3.6428 1.2601 -0.4016 53 1 5.0475 0.7337 -1.3600 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 ZINC000590948307.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:19:36 Heat of formation + Delta-G solvation = -115.442525 kcal Electronic energy + Delta-G solvation = -32456.419945 eV Core-core repulsion = 28328.451723 eV Total energy + Delta-G solvation = -4127.968222 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.02 seconds Orbital eigenvalues (eV) -41.10347 -39.42299 -37.83586 -36.45040 -34.66279 -34.33678 -33.25726 -32.30697 -30.91554 -30.13689 -27.13530 -26.30953 -25.74562 -25.52476 -25.43308 -24.42605 -22.73627 -21.61457 -20.16223 -19.49059 -18.91786 -18.02113 -17.12150 -16.54195 -16.21443 -15.91804 -15.72114 -15.51457 -15.18997 -14.93923 -14.67305 -14.35837 -14.12549 -13.85737 -13.63433 -13.32095 -12.97352 -12.92894 -12.81042 -12.54836 -12.52416 -12.31061 -12.27649 -11.96086 -11.81357 -11.40684 -11.37765 -11.33800 -11.19948 -10.86153 -10.79662 -10.73499 -10.57924 -10.40702 -10.32044 -10.20406 -9.78952 -9.65002 -9.51179 -9.32072 -8.81645 -8.65103 -8.40394 -8.15735 -6.03051 -4.13047 2.74257 3.29839 3.33010 3.34062 3.37940 3.48655 3.69416 4.18404 4.36740 4.39438 4.42161 4.48343 4.63789 4.66227 4.85829 4.93131 4.96988 5.08487 5.16637 5.23795 5.27633 5.31605 5.35643 5.43630 5.49989 5.51769 5.58976 5.66985 5.68151 5.74151 5.86318 5.97902 6.01305 6.14728 6.33907 6.40919 6.48090 6.76267 6.79586 6.86457 6.88266 7.01057 7.04673 7.11267 7.17471 7.35843 7.54111 7.68582 7.99486 8.10305 8.31284 8.38755 8.85764 8.93968 9.52736 10.98430 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.020249 B = 0.002730 C = 0.002657 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1382.479968 B =10254.519456 C =10534.585965 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.142 4.142 2 C 0.071 3.929 3 H 0.070 0.930 4 C 0.082 3.918 5 N -0.639 5.639 6 C 0.703 3.297 7 O -0.595 6.595 8 N -0.732 5.732 9 C 0.149 3.851 10 C 0.057 3.943 11 C -0.129 4.129 12 C -0.130 4.130 13 C -0.506 4.506 14 H 0.057 0.943 15 C 0.067 3.933 16 N -0.886 5.886 17 Si 0.894 3.106 18 H -0.277 1.277 19 H -0.288 1.288 20 H -0.277 1.277 21 C 0.112 3.888 22 C 0.076 3.924 23 C -0.106 4.106 24 C -0.150 4.150 25 C 0.057 3.943 26 O -0.372 6.372 27 C 0.041 3.959 28 O -0.356 6.356 29 H 0.076 0.924 30 H 0.067 0.933 31 H 0.064 0.936 32 H 0.075 0.925 33 H 0.089 0.911 34 H 0.393 0.607 35 H 0.053 0.947 36 H 0.052 0.948 37 H 0.003 0.997 38 H 0.086 0.914 39 H 0.027 0.973 40 H 0.027 0.973 41 H 0.086 0.914 42 H 0.004 0.996 43 H 0.260 0.740 44 H 0.101 0.899 45 H 0.072 0.928 46 H 0.080 0.920 47 H 0.079 0.921 48 H 0.073 0.927 49 H 0.080 0.920 50 H 0.049 0.951 51 H 0.093 0.907 52 H 0.099 0.901 53 H 0.061 0.939 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -4.993 -6.614 -20.987 22.564 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 -0.199 4.199 2 C 0.013 3.987 3 H 0.087 0.913 4 C -0.042 4.042 5 N -0.378 5.378 6 C 0.404 3.596 7 O -0.473 6.473 8 N -0.388 5.388 9 C 0.026 3.974 10 C 0.056 3.944 11 C -0.187 4.187 12 C -0.187 4.187 13 C -0.545 4.545 14 H 0.076 0.924 15 C -0.135 4.135 16 N -0.525 5.525 17 Si 0.722 3.278 18 H -0.203 1.203 19 H -0.213 1.213 20 H -0.203 1.203 21 C -0.012 4.012 22 C 0.035 3.965 23 C -0.144 4.144 24 C -0.188 4.188 25 C -0.020 4.020 26 O -0.290 6.290 27 C -0.036 4.036 28 O -0.276 6.276 29 H 0.095 0.905 30 H 0.086 0.914 31 H 0.083 0.917 32 H 0.094 0.906 33 H 0.107 0.893 34 H 0.230 0.770 35 H 0.072 0.928 36 H 0.070 0.930 37 H 0.022 0.978 38 H 0.104 0.896 39 H 0.046 0.954 40 H 0.046 0.954 41 H 0.104 0.896 42 H 0.023 0.977 43 H 0.071 0.929 44 H 0.120 0.880 45 H 0.091 0.909 46 H 0.099 0.901 47 H 0.097 0.903 48 H 0.092 0.908 49 H 0.099 0.901 50 H 0.067 0.933 51 H 0.111 0.889 52 H 0.117 0.883 53 H 0.080 0.920 Dipole moment (debyes) X Y Z Total from point charges -4.457 -6.575 -20.961 22.416 hybrid contribution 0.429 0.201 1.042 1.145 sum -4.028 -6.374 -19.919 21.298 Atomic orbital electron populations 1.21711 0.92071 1.03071 1.03060 1.22512 0.95500 0.95989 0.84709 0.91260 1.22383 0.80911 1.01714 0.99195 1.47285 1.05769 1.68194 1.16574 1.15947 0.84821 0.78617 0.80174 1.90877 1.13721 1.62015 1.80725 1.45681 1.10974 1.61268 1.20852 1.21622 0.91939 0.97047 0.86787 1.18353 0.93129 0.92006 0.90896 1.21819 0.98912 0.99052 0.98898 1.21825 0.98835 0.97864 1.00216 1.20943 0.92779 1.37324 1.03451 0.92448 1.24873 0.95077 0.95608 0.97898 1.69792 1.10551 1.43260 1.28886 0.86625 0.80734 0.79199 0.81257 1.20264 1.21329 1.20284 1.21982 1.00594 0.96893 0.81775 1.22412 0.82686 0.95878 0.95553 1.21538 1.01117 0.99685 0.92015 1.22118 1.02703 0.95946 0.98034 1.22611 0.98747 0.93949 0.86643 1.87976 1.74842 1.52678 1.13523 1.23106 0.98276 0.92468 0.89795 1.87963 1.19325 1.76926 1.43337 0.90548 0.91389 0.91681 0.90636 0.89268 0.76977 0.92813 0.92975 0.97764 0.89568 0.95419 0.95403 0.89564 0.97744 0.92942 0.88035 0.90932 0.90123 0.90259 0.90829 0.90142 0.93319 0.88904 0.88276 0.92031 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -1.23 9.57 37.16 0.36 -0.87 16 2 C 0.07 0.78 3.03 -26.58 -0.08 0.70 16 3 H 0.07 0.84 6.22 -51.93 -0.32 0.52 16 4 C 0.08 0.95 5.92 -3.53 -0.02 0.93 16 5 N -0.64 -9.00 2.60 -178.04 -0.46 -9.46 16 6 C 0.70 12.70 8.31 -86.92 -0.72 11.98 16 7 O -0.59 -12.79 15.85 5.28 0.08 -12.70 16 8 N -0.73 -13.32 4.87 -65.23 -0.32 -13.64 16 9 C 0.15 3.20 4.51 -4.04 -0.02 3.18 16 10 C 0.06 1.31 0.50 -155.66 -0.08 1.23 16 11 C -0.13 -2.88 8.08 37.16 0.30 -2.58 16 12 C -0.13 -2.91 8.08 37.16 0.30 -2.61 16 13 C -0.51 -13.22 8.01 -34.44 -0.28 -13.50 16 14 H 0.06 1.51 7.74 -52.49 -0.41 1.11 16 15 C 0.07 1.75 5.15 -17.82 -0.09 1.65 16 16 N -0.89 -23.45 9.35 55.43 0.52 -22.93 16 17 Si 0.89 20.68 29.54 -169.99 -5.02 15.66 16 18 H -0.28 -6.41 7.11 56.52 0.40 -6.01 16 19 H -0.29 -6.61 7.11 56.52 0.40 -6.21 16 20 H -0.28 -6.42 7.11 56.52 0.40 -6.02 16 21 C 0.11 1.36 5.28 -3.57 -0.02 1.34 16 22 C 0.08 0.82 0.70 -90.47 -0.06 0.76 16 23 C -0.11 -0.89 5.03 -26.58 -0.13 -1.03 16 24 C -0.15 -1.18 5.99 -26.58 -0.16 -1.34 16 25 C 0.06 0.50 6.84 37.21 0.25 0.76 16 26 O -0.37 -4.55 10.70 -42.28 -0.45 -5.01 16 27 C 0.04 0.49 5.11 37.16 0.19 0.68 16 28 O -0.36 -4.12 9.30 -42.28 -0.39 -4.52 16 29 H 0.08 0.58 8.14 -51.93 -0.42 0.16 16 30 H 0.07 0.59 8.14 -51.93 -0.42 0.16 16 31 H 0.06 0.53 8.14 -51.93 -0.42 0.10 16 32 H 0.08 0.80 8.14 -51.93 -0.42 0.38 16 33 H 0.09 1.02 5.66 -51.93 -0.29 0.72 16 34 H 0.39 6.49 3.67 -40.82 -0.15 6.34 16 35 H 0.05 1.22 8.14 -51.93 -0.42 0.80 16 36 H 0.05 1.17 8.14 -51.93 -0.42 0.75 16 37 H 0.00 0.07 6.86 -51.93 -0.36 -0.29 16 38 H 0.09 2.12 6.07 -51.93 -0.32 1.81 16 39 H 0.03 0.61 8.14 -51.93 -0.42 0.19 16 40 H 0.03 0.62 8.14 -51.93 -0.42 0.20 16 41 H 0.09 2.13 6.07 -51.93 -0.32 1.82 16 42 H 0.00 0.07 6.86 -51.93 -0.36 -0.28 16 43 H 0.26 6.68 8.31 -40.82 -0.34 6.34 16 44 H 0.10 1.35 7.11 -51.93 -0.37 0.98 16 45 H 0.07 0.81 8.14 -51.93 -0.42 0.39 16 46 H 0.08 0.59 8.14 -51.93 -0.42 0.17 16 47 H 0.08 0.62 8.14 -51.93 -0.42 0.20 16 48 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 49 H 0.08 0.74 7.84 -51.93 -0.41 0.33 16 50 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 51 H 0.09 0.69 8.14 -51.93 -0.42 0.26 16 52 H 0.10 1.36 6.08 -51.93 -0.32 1.04 16 53 H 0.06 0.73 8.14 -51.93 -0.42 0.30 16 LS Contribution 394.28 15.07 5.94 5.94 Total: -1.00 -29.71 394.28 -9.45 -39.16 By element: Atomic # 1 Polarization: 15.31 SS G_CDS: -9.08 Total: 6.22 kcal Atomic # 6 Polarization: 1.54 SS G_CDS: -0.26 Total: 1.28 kcal Atomic # 7 Polarization: -45.77 SS G_CDS: -0.26 Total: -46.03 kcal Atomic # 8 Polarization: -21.46 SS G_CDS: -0.76 Total: -22.22 kcal Atomic # 14 Polarization: 20.68 SS G_CDS: -5.02 Total: 15.66 kcal Total LS contribution 5.94 Total: 5.94 kcal Total: -29.71 -9.45 -39.16 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. ZINC000590948307.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 -76.284 kcal (2) G-P(sol) polarization free energy of solvation -29.706 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -105.990 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.453 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.159 kcal (6) G-S(sol) free energy of system = (1) + (5) -115.443 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.02 seconds