Wall clock time and date at job start Tue Mar 31 2020 05:34:29 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 1.31513 * 1 3 3 Si 1.86800 * 119.99830 * 2 1 4 4 H 1.48499 * 109.47502 * 270.00347 * 3 2 1 5 5 H 1.48498 * 109.47116 * 30.00463 * 3 2 1 6 6 H 1.48503 * 109.46936 * 149.99992 * 3 2 1 7 7 C 1.37878 * 120.00374 * 180.02562 * 2 1 3 8 8 H 1.08008 * 119.99591 * 359.97438 * 7 2 1 9 9 C 1.50694 * 120.00446 * 179.97438 * 7 2 1 10 10 N 1.46499 * 109.47550 * 179.97438 * 9 7 2 11 11 C 1.34777 * 120.00199 * 180.02562 * 10 9 7 12 12 O 1.21283 * 119.99750 * 359.97438 * 11 10 9 13 13 C 1.50702 * 119.99928 * 180.27479 * 11 10 9 14 14 N 1.46902 * 109.47027 * 179.72353 * 13 11 10 15 15 C 1.46848 * 110.99759 * 294.20938 * 14 13 11 16 16 C 1.53031 * 109.52183 * 174.16278 * 15 14 13 17 17 C 1.53125 * 109.28019 * 59.17805 * 16 15 14 18 18 C 1.50700 * 109.57267 * 182.40843 * 17 16 15 19 19 O 1.21284 * 119.99691 * 119.71703 * 18 17 16 20 20 N 1.34771 * 120.00305 * 299.71159 * 18 17 16 21 21 C 1.46499 * 120.00207 * 180.02562 * 20 18 17 22 22 C 1.50694 * 109.47304 * 179.97438 * 21 20 18 23 23 C 1.38235 * 120.00488 * 269.72808 * 22 21 20 24 24 C 1.38235 * 120.00243 * 179.76138 * 23 22 21 25 25 C 1.38237 * 119.99967 * 0.51595 * 24 23 22 26 26 C 1.38241 * 119.99813 * 359.74128 * 25 24 23 27 27 C 1.38235 * 120.00113 * 359.97438 * 26 25 24 28 28 C 1.53118 * 109.15784 * 302.34549 * 17 16 15 29 29 C 1.46843 * 110.99818 * 169.99758 * 14 13 11 30 30 H 0.97000 * 120.00464 * 359.97438 * 1 2 3 31 31 H 1.08998 * 109.47333 * 59.99560 * 9 7 2 32 32 H 1.09002 * 109.47271 * 299.99993 * 9 7 2 33 33 H 0.97000 * 119.99484 * 359.97438 * 10 9 7 34 34 H 1.09004 * 109.46965 * 299.72211 * 13 11 10 35 35 H 1.08994 * 109.46990 * 59.72065 * 13 11 10 36 36 H 1.09003 * 109.45649 * 294.17520 * 15 14 13 37 37 H 1.08995 * 109.46466 * 54.14585 * 15 14 13 38 38 H 1.09001 * 109.50516 * 299.23843 * 16 15 14 39 39 H 1.09000 * 109.50603 * 179.12077 * 16 15 14 40 40 H 1.08994 * 109.51952 * 62.24835 * 17 16 15 41 41 H 0.97003 * 119.99686 * 0.02562 * 20 18 17 42 42 H 1.08998 * 109.47398 * 300.00666 * 21 20 18 43 43 H 1.09005 * 109.46970 * 60.00151 * 21 20 18 44 44 H 1.07998 * 119.99860 * 0.02562 * 23 22 21 45 45 H 1.07997 * 120.00115 * 180.23110 * 24 23 22 46 46 H 1.07995 * 120.00108 * 179.71922 * 25 24 23 47 47 H 1.07999 * 119.99932 * 179.97438 * 26 25 24 48 48 H 1.07992 * 120.00260 * 179.97438 * 27 26 25 49 49 H 1.09001 * 109.50142 * 297.71135 * 28 17 16 50 50 H 1.08995 * 109.50409 * 177.59757 * 28 17 16 51 51 H 1.08996 * 109.46300 * 305.85393 * 29 14 13 52 52 H 1.09004 * 109.46280 * 65.83399 * 29 14 13 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 1.3151 0.0000 0.0000 3 14 2.2491 1.6178 0.0000 4 1 2.4965 2.0466 -1.4000 5 1 1.4466 2.6526 0.7001 6 1 3.5467 1.4402 0.7001 7 6 2.0046 -1.1940 -0.0005 8 1 1.4646 -2.1294 -0.0005 9 6 3.5115 -1.1940 -0.0011 10 7 4.0000 -2.5752 -0.0010 11 6 5.3250 -2.8214 -0.0009 12 8 6.1131 -1.8995 -0.0014 13 6 5.8274 -4.2423 -0.0071 14 7 7.2964 -4.2422 -0.0124 15 6 7.8180 -3.6762 -1.2630 16 6 9.3412 -3.5577 -1.1745 17 6 9.9429 -4.9444 -0.9300 18 6 11.4381 -4.8271 -0.7828 19 8 11.9755 -5.1785 0.2461 20 7 12.1780 -4.3319 -1.7945 21 6 13.6316 -4.2185 -1.6516 22 6 14.2170 -3.6409 -2.9144 23 6 14.6205 -4.4801 -3.9361 24 6 15.1529 -3.9499 -5.0965 25 6 15.2916 -2.5811 -5.2309 26 6 14.8930 -1.7422 -4.2070 27 6 14.3552 -2.2720 -3.0490 28 6 9.3469 -5.5317 0.3524 29 6 7.8235 -5.5930 0.2197 30 1 -0.4851 0.8400 0.0004 31 1 3.8753 -0.6804 0.8888 32 1 3.8746 -0.6800 -0.8911 33 1 3.3696 -3.3125 -0.0002 34 1 5.4673 -4.7588 0.8827 35 1 5.4608 -4.7534 -0.8972 36 1 7.5522 -4.3280 -2.0952 37 1 7.3856 -2.6885 -1.4229 38 1 9.6075 -2.8951 -0.3510 39 1 9.7296 -3.1521 -2.1088 40 1 9.7096 -5.5962 -1.7718 41 1 11.7481 -4.0506 -2.6173 42 1 13.8642 -3.5650 -0.8108 43 1 14.0573 -5.2060 -1.4729 44 1 14.5159 -5.5497 -3.8295 45 1 15.4647 -4.6053 -5.8962 46 1 15.7118 -2.1672 -6.1355 47 1 15.0017 -0.6728 -4.3118 48 1 14.0441 -1.6167 -2.2490 49 1 9.6132 -4.9001 1.1999 50 1 9.7393 -6.5364 0.5091 51 1 7.3951 -5.9974 1.1367 52 1 7.5578 -6.2357 -0.6197 RHF calculation, no. of doubly occupied orbitals= 68 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 ZINC000027367895.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 05:34:29 Heat of formation + Delta-G solvation = -50.807125 kcal Electronic energy + Delta-G solvation = -30897.432196 eV Core-core repulsion = 26668.156113 eV Total energy + Delta-G solvation = -4229.276083 eV No. of doubly occupied orbitals = 68 Molecular weight (most abundant/longest-lived isotopes) = 359.200 amu Computer time = 1.16 seconds Orbital eigenvalues (eV) -40.59569 -39.74013 -39.19783 -37.76770 -35.31593 -34.32584 -33.67142 -32.35604 -31.78909 -31.39407 -30.85478 -28.94882 -27.38406 -26.24850 -23.93356 -23.24667 -23.07116 -21.94304 -21.72433 -20.90208 -19.84202 -19.80217 -17.84122 -17.27186 -16.99506 -16.44173 -16.08078 -15.98747 -15.88464 -15.47269 -15.40565 -15.04613 -14.68960 -14.45716 -14.43506 -14.07331 -13.90372 -13.73918 -13.51686 -13.39367 -13.25976 -13.00353 -12.76416 -12.72341 -12.55903 -12.35312 -11.99575 -11.67554 -11.57773 -11.52229 -11.45628 -11.28265 -11.01700 -10.84868 -10.76169 -10.56856 -10.03768 -9.96863 -9.50281 -9.45379 -9.38758 -9.29216 -9.12715 -8.78268 -8.28852 -8.10275 -6.22267 -4.24537 0.74053 0.90485 2.41048 2.86378 3.23376 3.27028 3.32785 3.41062 3.41757 3.57773 4.14980 4.21563 4.32930 4.35962 4.38924 4.52333 4.59100 4.64644 4.66530 4.86818 4.99266 4.99891 5.07347 5.13029 5.18234 5.21587 5.24906 5.27694 5.34896 5.42754 5.47976 5.49379 5.53715 5.55199 5.55417 5.73450 5.83928 5.94111 6.02584 6.03552 6.05069 6.08432 6.08885 6.24430 6.47970 6.77712 6.97473 7.07412 7.09946 7.17335 7.24380 7.39516 7.95504 8.14191 8.52091 8.75053 8.96095 9.38058 10.89655 Molecular weight = 359.20amu Principal moments of inertia in cm(-1) A = 0.012226 B = 0.001706 C = 0.001546 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2289.724444 B =16404.052189 C =18105.549193 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.893 5.893 2 C 0.077 3.923 3 Si 0.877 3.123 4 H -0.273 1.273 5 H -0.283 1.283 6 H -0.260 1.260 7 C -0.544 4.544 8 H 0.079 0.921 9 C 0.222 3.778 10 N -0.708 5.708 11 C 0.500 3.500 12 O -0.541 6.541 13 C 0.036 3.964 14 N -0.520 5.520 15 C 0.052 3.948 16 C -0.102 4.102 17 C -0.108 4.108 18 C 0.521 3.479 19 O -0.538 6.538 20 N -0.729 5.729 21 C 0.161 3.839 22 C -0.109 4.109 23 C -0.102 4.102 24 C -0.123 4.123 25 C -0.113 4.113 26 C -0.121 4.121 27 C -0.100 4.100 28 C -0.094 4.094 29 C 0.056 3.944 30 H 0.267 0.733 31 H 0.025 0.975 32 H 0.019 0.981 33 H 0.396 0.604 34 H 0.101 0.899 35 H 0.060 0.940 36 H 0.028 0.972 37 H 0.103 0.897 38 H 0.080 0.920 39 H 0.068 0.932 40 H 0.093 0.907 41 H 0.402 0.598 42 H 0.076 0.924 43 H 0.075 0.925 44 H 0.123 0.877 45 H 0.124 0.876 46 H 0.123 0.877 47 H 0.125 0.875 48 H 0.125 0.875 49 H 0.081 0.919 50 H 0.072 0.928 51 H 0.080 0.920 52 H 0.033 0.967 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 29.236 -12.453 -9.804 33.256 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 -0.530 5.530 2 C -0.126 4.126 3 Si 0.703 3.297 4 H -0.199 1.199 5 H -0.209 1.209 6 H -0.185 1.185 7 C -0.582 4.582 8 H 0.097 0.903 9 C 0.100 3.900 10 N -0.357 5.357 11 C 0.285 3.715 12 O -0.419 6.419 13 C -0.095 4.095 14 N -0.245 5.245 15 C -0.076 4.076 16 C -0.140 4.140 17 C -0.129 4.129 18 C 0.308 3.692 19 O -0.414 6.414 20 N -0.381 5.381 21 C 0.038 3.962 22 C -0.109 4.109 23 C -0.120 4.120 24 C -0.141 4.141 25 C -0.131 4.131 26 C -0.139 4.139 27 C -0.118 4.118 28 C -0.132 4.132 29 C -0.072 4.072 30 H 0.077 0.923 31 H 0.043 0.957 32 H 0.037 0.963 33 H 0.229 0.771 34 H 0.119 0.881 35 H 0.077 0.923 36 H 0.046 0.954 37 H 0.121 0.879 38 H 0.099 0.901 39 H 0.086 0.914 40 H 0.111 0.889 41 H 0.236 0.764 42 H 0.094 0.906 43 H 0.093 0.907 44 H 0.141 0.859 45 H 0.142 0.858 46 H 0.141 0.859 47 H 0.143 0.857 48 H 0.143 0.857 49 H 0.100 0.900 50 H 0.091 0.909 51 H 0.098 0.902 52 H 0.051 0.949 Dipole moment (debyes) X Y Z Total from point charges 30.174 -11.613 -8.647 33.467 hybrid contribution -0.492 0.165 -1.192 1.300 sum 29.682 -11.447 -9.839 33.299 Atomic orbital electron populations 1.69879 1.06218 1.27426 1.49456 1.24800 0.94788 0.99184 0.93867 0.86814 0.80625 0.83232 0.79001 1.19898 1.20910 1.18459 1.21105 0.88592 0.95205 1.53293 0.90276 1.19460 0.95141 0.78690 0.96709 1.46179 1.05677 1.11002 1.72868 1.20370 0.83033 0.90661 0.77469 1.90616 1.55246 1.46053 1.50007 1.21976 0.88820 0.95827 1.02859 1.61539 1.05751 1.21065 1.36113 1.22253 0.94434 1.01894 0.88971 1.21542 0.95320 0.94665 1.02493 1.21453 0.90602 0.99770 1.01118 1.20760 0.89449 0.76146 0.82833 1.90703 1.73806 1.48543 1.28368 1.46106 1.07105 1.66118 1.18809 1.20167 0.80193 1.01265 0.94617 1.19897 1.01197 0.93871 0.95981 1.21117 0.98008 0.99763 0.93130 1.21188 0.99720 0.95414 0.97751 1.21257 0.99220 0.93725 0.98925 1.21218 0.98880 1.00122 0.93683 1.21167 0.98203 0.94466 0.97986 1.21385 0.93492 1.01590 0.96715 1.22144 0.95205 0.88940 1.00919 0.92268 0.95708 0.96283 0.77116 0.88060 0.92251 0.95414 0.87917 0.90144 0.91368 0.88904 0.76358 0.90564 0.90687 0.85864 0.85848 0.85916 0.85738 0.85676 0.90012 0.90889 0.90163 0.94909 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 N -0.89 -26.37 13.96 55.43 0.77 -25.60 16 2 C 0.08 2.18 5.47 -17.82 -0.10 2.08 16 3 Si 0.88 21.37 27.47 -169.99 -4.67 16.70 16 4 H -0.27 -6.55 7.11 56.52 0.40 -6.14 16 5 H -0.28 -6.78 7.11 56.52 0.40 -6.38 16 6 H -0.26 -6.33 6.54 56.52 0.37 -5.96 16 7 C -0.54 -14.81 9.83 -34.44 -0.34 -15.15 16 8 H 0.08 2.23 7.84 -52.48 -0.41 1.82 16 9 C 0.22 5.40 4.50 -5.20 -0.02 5.38 16 10 N -0.71 -13.94 5.55 -61.47 -0.34 -14.28 16 11 C 0.50 9.18 7.50 -10.98 -0.08 9.10 16 12 O -0.54 -11.86 14.33 5.55 0.08 -11.78 16 13 C 0.04 0.48 5.45 -4.97 -0.03 0.45 16 14 N -0.52 -6.79 4.40 -236.12 -1.04 -7.83 16 15 C 0.05 0.65 5.11 -3.84 -0.02 0.63 16 16 C -0.10 -1.06 5.26 -26.65 -0.14 -1.20 16 17 C -0.11 -1.01 2.59 -91.65 -0.24 -1.24 16 18 C 0.52 5.45 7.16 -10.99 -0.08 5.37 16 19 O -0.54 -7.60 15.98 5.55 0.09 -7.51 16 20 N -0.73 -5.72 5.46 -61.48 -0.34 -6.05 16 21 C 0.16 1.21 5.80 -5.20 -0.03 1.18 16 22 C -0.11 -0.73 5.25 -104.62 -0.55 -1.28 16 23 C -0.10 -0.62 9.70 -39.58 -0.38 -1.00 16 24 C -0.12 -0.69 10.05 -39.58 -0.40 -1.09 16 25 C -0.11 -0.64 10.05 -39.58 -0.40 -1.04 16 26 C -0.12 -0.73 10.05 -39.58 -0.40 -1.13 16 27 C -0.10 -0.66 9.70 -39.58 -0.38 -1.04 16 28 C -0.09 -0.97 4.68 -26.65 -0.12 -1.10 16 29 C 0.06 0.57 5.46 -3.84 -0.02 0.55 16 30 H 0.27 7.40 8.31 -40.82 -0.34 7.06 16 31 H 0.03 0.64 7.20 -51.93 -0.37 0.27 16 32 H 0.02 0.48 7.57 -51.93 -0.39 0.09 16 33 H 0.40 6.80 8.32 -40.82 -0.34 6.46 16 34 H 0.10 1.15 7.99 -51.93 -0.41 0.74 16 35 H 0.06 0.67 8.12 -51.93 -0.42 0.25 16 36 H 0.03 0.30 8.14 -51.93 -0.42 -0.12 16 37 H 0.10 1.60 5.78 -51.93 -0.30 1.30 16 38 H 0.08 1.01 8.14 -51.93 -0.42 0.59 16 39 H 0.07 0.56 7.67 -51.93 -0.40 0.16 16 40 H 0.09 0.70 8.14 -51.93 -0.42 0.28 16 41 H 0.40 2.47 7.95 -40.82 -0.32 2.14 16 42 H 0.08 0.64 8.09 -51.93 -0.42 0.22 16 43 H 0.07 0.59 8.08 -51.93 -0.42 0.17 16 44 H 0.12 0.61 8.06 -52.49 -0.42 0.18 16 45 H 0.12 0.47 8.06 -52.49 -0.42 0.05 16 46 H 0.12 0.47 8.06 -52.49 -0.42 0.05 16 47 H 0.12 0.56 8.06 -52.49 -0.42 0.14 16 48 H 0.13 0.74 8.06 -52.49 -0.42 0.32 16 49 H 0.08 1.03 8.04 -51.93 -0.42 0.61 16 50 H 0.07 0.71 8.14 -51.93 -0.42 0.28 16 51 H 0.08 0.76 8.01 -51.93 -0.42 0.34 16 52 H 0.03 0.29 8.14 -51.93 -0.42 -0.13 16 LS Contribution 421.45 15.07 6.35 6.35 Total: -1.00 -34.47 421.45 -11.27 -45.74 By element: Atomic # 1 Polarization: 13.23 SS G_CDS: -8.45 Total: 4.79 kcal Atomic # 6 Polarization: 3.21 SS G_CDS: -3.73 Total: -0.52 kcal Atomic # 7 Polarization: -52.82 SS G_CDS: -0.94 Total: -53.76 kcal Atomic # 8 Polarization: -19.46 SS G_CDS: 0.17 Total: -19.30 kcal Atomic # 14 Polarization: 21.37 SS G_CDS: -4.67 Total: 16.70 kcal Total LS contribution 6.35 Total: 6.35 kcal Total: -34.47 -11.27 -45.74 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. ZINC000027367895.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 -5.071 kcal (2) G-P(sol) polarization free energy of solvation -34.469 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -39.540 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.268 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -45.736 kcal (6) G-S(sol) free energy of system = (1) + (5) -50.807 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.16 seconds