Wall clock time and date at job start Sat Apr 11 2020 06:12:35 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 C 1.53000 * 109.46875 * 2 1 4 4 C 1.53003 * 109.46612 * 179.97438 * 3 2 1 5 5 C 1.53005 * 109.46920 * 179.97438 * 4 3 2 6 6 H 1.09004 * 109.46960 * 55.00323 * 5 4 3 7 7 N 1.46500 * 109.47234 * 295.00345 * 5 4 3 8 8 C 1.34781 * 119.99859 * 299.99701 * 7 5 4 9 9 N 1.34774 * 119.99783 * 179.97438 * 8 7 5 10 10 O 1.21586 * 119.99937 * 0.02562 * 8 7 5 11 11 C 1.50697 * 109.46884 * 175.00298 * 5 4 3 12 12 O 1.21280 * 120.00537 * 100.00605 * 11 5 4 13 13 N 1.34780 * 119.99913 * 279.99858 * 11 5 4 14 14 C 1.46501 * 119.99650 * 180.02562 * 13 11 5 15 15 C 1.53004 * 109.46679 * 179.97438 * 14 13 11 16 16 H 1.08993 * 110.82117 * 303.11499 * 15 14 13 17 17 C 1.54894 * 110.75410 * 66.45847 * 15 14 13 18 18 C 1.54266 * 104.31305 * 156.31914 * 17 15 14 19 19 C 1.53869 * 106.60031 * 336.32486 * 18 17 15 20 20 H 1.08995 * 110.04023 * 119.33232 * 19 18 17 21 21 N 1.46506 * 110.02971 * 240.71516 * 19 18 17 22 22 C 1.36934 * 120.00080 * 273.54217 * 21 19 18 23 23 H 1.07997 * 119.99814 * 0.02562 * 22 21 19 24 24 C 1.38804 * 120.00186 * 179.97438 * 22 21 19 25 25 N 1.31621 * 120.00382 * 180.02562 * 24 22 21 26 26 Si 1.86801 * 120.00185 * 0.02562 * 24 22 21 27 27 H 1.48501 * 109.47136 * 89.99808 * 26 24 22 28 28 H 1.48496 * 109.47293 * 210.00011 * 26 24 22 29 29 H 1.48502 * 109.46739 * 329.99812 * 26 24 22 30 30 C 1.54266 * 106.59800 * 359.97438 * 19 18 17 31 31 H 1.09004 * 109.47143 * 59.99659 * 1 2 3 32 32 H 1.08994 * 109.47258 * 179.97438 * 1 2 3 33 33 H 1.09000 * 109.47096 * 300.00123 * 1 2 3 34 34 H 1.09000 * 109.47096 * 239.99877 * 2 1 3 35 35 H 1.08997 * 109.47071 * 119.99667 * 2 1 3 36 36 H 1.09001 * 109.47002 * 60.00438 * 3 2 1 37 37 H 1.08993 * 109.47711 * 299.99685 * 3 2 1 38 38 H 1.09001 * 109.46859 * 60.00620 * 4 3 2 39 39 H 1.08995 * 109.47552 * 300.00245 * 4 3 2 40 40 H 0.96998 * 119.99969 * 120.00218 * 7 5 4 41 41 H 0.97001 * 120.00002 * 359.97438 * 9 8 7 42 42 H 0.96998 * 120.00061 * 180.02562 * 9 8 7 43 43 H 0.96999 * 119.99869 * 0.02562 * 13 11 5 44 44 H 1.09005 * 109.47462 * 60.00641 * 14 13 11 45 45 H 1.08995 * 109.47696 * 299.99964 * 14 13 11 46 46 H 1.09002 * 110.48891 * 37.57340 * 17 15 14 47 47 H 1.08998 * 110.48494 * 275.06427 * 17 15 14 48 48 H 1.09001 * 110.03084 * 95.60669 * 18 17 15 49 49 H 1.08995 * 110.03255 * 217.03136 * 18 17 15 50 50 H 0.97005 * 120.00035 * 93.54776 * 21 19 18 51 51 H 0.97004 * 120.00629 * 180.02562 * 25 24 22 52 52 H 1.09005 * 110.48526 * 142.29451 * 30 19 18 53 53 H 1.09006 * 110.48581 * 264.93644 * 30 19 18 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 6 2.0399 1.4425 0.0000 4 6 3.5700 1.4424 0.0006 5 6 4.0800 2.8850 0.0000 6 1 3.6450 3.4245 0.8414 7 7 3.6929 3.5393 -1.2523 8 6 4.1179 3.0432 -2.4312 9 7 3.7614 3.6448 -3.5833 10 8 4.8222 2.0523 -2.4554 11 6 5.5818 2.8868 0.1244 12 8 6.2719 3.0393 -0.8613 13 7 6.1583 2.7191 1.3311 14 6 7.6183 2.7214 1.4520 15 6 8.0089 2.5143 2.9168 16 1 7.5583 3.2786 3.5498 17 6 7.6076 1.0973 3.3968 18 6 8.5523 0.8147 4.5832 19 6 9.7888 1.7084 4.3830 20 1 9.8954 2.3925 5.2248 21 7 10.9907 0.8806 4.2543 22 6 11.6685 0.4787 5.3742 23 1 11.3169 0.7717 6.3524 24 6 12.8069 -0.3060 5.2522 25 7 13.4582 -0.6927 6.3287 26 14 13.4148 -0.8135 3.5604 27 1 14.3651 0.2068 3.0492 28 1 14.1017 -2.1266 3.6544 29 1 12.2607 -0.9239 2.6324 30 6 9.5527 2.5023 3.0816 31 1 -0.3634 0.5139 -0.8900 32 1 -0.3633 -1.0276 -0.0005 33 1 -0.3633 0.5138 0.8900 34 1 1.8933 -0.5138 -0.8900 35 1 1.8933 -0.5138 0.8900 36 1 1.6766 1.9563 0.8900 37 1 1.6767 1.9564 -0.8899 38 1 3.9336 0.9285 -0.8892 39 1 3.9330 0.9287 0.8908 40 1 3.1308 4.3295 -1.2330 41 1 3.1986 4.4346 -3.5641 42 1 4.0670 3.2876 -4.4318 43 1 5.6064 2.5969 2.1194 44 1 8.0103 3.6770 1.1036 45 1 8.0343 1.9157 0.8473 46 1 7.7636 0.3671 2.6027 47 1 6.5685 1.0859 3.7255 48 1 8.0583 1.0657 5.5218 49 1 8.8463 -0.2348 4.5846 50 1 11.3064 0.6171 3.3757 51 1 14.2540 -1.2408 6.2435 52 1 9.9329 3.5191 3.1808 53 1 10.0230 1.9988 2.2369 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 ZINC001691681209.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 06:12:35 Heat of formation + Delta-G solvation = -78.773738 kcal Electronic energy + Delta-G solvation = -30219.597092 eV Core-core repulsion = 26125.511699 eV Total energy + Delta-G solvation = -4094.085393 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.84 seconds Orbital eigenvalues (eV) -40.81347 -39.16599 -38.08614 -36.52614 -34.98166 -34.45123 -33.73838 -33.33566 -31.16156 -30.71130 -29.23100 -27.79646 -26.83373 -24.30130 -23.10023 -22.68681 -21.94837 -21.13931 -20.44967 -19.73159 -19.25614 -18.86076 -17.75660 -17.50431 -16.88533 -16.24790 -15.98940 -15.51176 -15.21784 -15.02583 -14.62274 -14.51294 -14.46673 -14.24309 -14.00136 -13.65840 -13.45687 -13.14427 -12.98769 -12.91801 -12.64105 -12.33857 -12.14113 -11.90119 -11.61677 -11.47340 -11.45644 -11.24278 -10.94394 -10.83331 -10.79015 -10.59619 -10.51238 -10.39961 -10.32034 -10.27382 -9.98793 -9.83364 -9.77197 -9.55674 -9.12143 -9.00818 -8.88233 -7.22349 -5.74352 -3.09337 2.42764 2.68608 3.03274 3.31884 3.41207 3.45005 3.48861 4.18385 4.35196 4.52150 4.56926 4.62337 4.66706 4.76055 4.83711 4.88596 4.95591 5.00199 5.05823 5.34859 5.36490 5.42867 5.49817 5.52946 5.54332 5.63999 5.69732 5.69962 5.73050 5.84230 5.91027 5.92172 6.00533 6.02929 6.04563 6.11435 6.16120 6.24442 6.30684 6.41117 6.41848 6.54595 6.65662 6.71136 6.82952 7.06834 7.44760 7.72265 8.03432 8.21649 8.45438 8.54866 9.24437 9.97420 10.17351 11.44030 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.014770 B = 0.002122 C = 0.002008 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1895.323688 B =13193.047507 C =13941.682343 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.152 4.152 2 C -0.126 4.126 3 C -0.111 4.111 4 C -0.136 4.136 5 C 0.156 3.844 6 H 0.107 0.893 7 N -0.733 5.733 8 C 0.710 3.290 9 N -0.872 5.872 10 O -0.562 6.562 11 C 0.495 3.505 12 O -0.507 6.507 13 N -0.729 5.729 14 C 0.130 3.870 15 C -0.104 4.104 16 H 0.080 0.920 17 C -0.115 4.115 18 C -0.145 4.145 19 C 0.180 3.820 20 H 0.057 0.943 21 N -0.747 5.747 22 C -0.242 4.242 23 H 0.090 0.910 24 C 0.003 3.997 25 N -0.935 5.935 26 Si 0.883 3.117 27 H -0.284 1.284 28 H -0.292 1.292 29 H -0.276 1.276 30 C -0.121 4.121 31 H 0.051 0.949 32 H 0.053 0.947 33 H 0.053 0.947 34 H 0.061 0.939 35 H 0.063 0.937 36 H 0.060 0.940 37 H 0.061 0.939 38 H 0.096 0.904 39 H 0.075 0.925 40 H 0.398 0.602 41 H 0.392 0.608 42 H 0.413 0.587 43 H 0.397 0.603 44 H 0.064 0.936 45 H 0.067 0.933 46 H 0.062 0.938 47 H 0.054 0.946 48 H 0.052 0.948 49 H 0.072 0.928 50 H 0.361 0.639 51 H 0.259 0.741 52 H 0.065 0.935 53 H 0.067 0.933 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -30.586 11.291 -15.402 36.059 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 -0.209 4.209 2 C -0.164 4.164 3 C -0.149 4.149 4 C -0.175 4.175 5 C 0.046 3.954 6 H 0.125 0.875 7 N -0.390 5.390 8 C 0.408 3.592 9 N -0.440 5.440 10 O -0.436 6.436 11 C 0.278 3.722 12 O -0.379 6.379 13 N -0.382 5.382 14 C 0.007 3.993 15 C -0.124 4.124 16 H 0.098 0.902 17 C -0.153 4.153 18 C -0.186 4.186 19 C 0.071 3.929 20 H 0.075 0.925 21 N -0.390 5.390 22 C -0.372 4.372 23 H 0.107 0.893 24 C -0.193 4.193 25 N -0.583 5.583 26 Si 0.714 3.286 27 H -0.211 1.211 28 H -0.218 1.218 29 H -0.203 1.203 30 C -0.160 4.160 31 H 0.070 0.930 32 H 0.072 0.928 33 H 0.072 0.928 34 H 0.080 0.920 35 H 0.082 0.918 36 H 0.079 0.921 37 H 0.080 0.920 38 H 0.114 0.886 39 H 0.094 0.906 40 H 0.232 0.768 41 H 0.219 0.781 42 H 0.245 0.755 43 H 0.231 0.769 44 H 0.082 0.918 45 H 0.086 0.914 46 H 0.081 0.919 47 H 0.073 0.927 48 H 0.071 0.929 49 H 0.091 0.909 50 H 0.194 0.806 51 H 0.069 0.931 52 H 0.084 0.916 53 H 0.086 0.914 Dipole moment (debyes) X Y Z Total from point charges -29.339 10.486 -15.744 34.909 hybrid contribution -0.100 0.139 -1.010 1.025 sum -29.439 10.625 -16.755 35.500 Atomic orbital electron populations 1.21765 0.95925 1.01615 1.01585 1.21522 0.95706 0.96805 1.02339 1.21540 0.94453 0.97070 1.01806 1.22031 0.96051 0.94366 1.05067 1.20695 0.92097 0.96106 0.86531 0.87481 1.44674 1.56726 1.33399 1.04212 1.15841 0.79603 0.83207 0.80514 1.42976 1.58793 1.34471 1.07793 1.90984 1.39950 1.26870 1.85779 1.20875 0.90640 0.77345 0.83345 1.90773 1.64275 1.46542 1.36354 1.46001 1.08109 1.74891 1.09215 1.21375 0.79263 1.01979 0.96678 1.22404 0.97480 0.98345 0.94126 0.90152 1.22396 0.98553 0.95520 0.98831 1.22938 0.96929 1.02436 0.96278 1.20790 0.86317 0.91048 0.94792 0.92469 1.42915 1.29074 1.61524 1.05461 1.19086 1.05079 1.25772 0.87245 0.89256 1.24677 0.97907 1.00227 0.96472 1.69703 1.20531 1.41288 1.26778 0.86562 0.78725 0.78062 0.85269 1.21109 1.21808 1.20260 1.22705 0.93164 1.00716 0.99459 0.92965 0.92798 0.92777 0.91982 0.91830 0.92082 0.92037 0.88578 0.90600 0.76849 0.78081 0.75492 0.76876 0.91809 0.91447 0.91908 0.92719 0.92917 0.90899 0.80626 0.93118 0.91582 0.91386 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -0.15 -0.84 9.91 37.16 0.37 -0.47 16 2 C -0.13 -0.82 5.93 -26.73 -0.16 -0.98 16 3 C -0.11 -0.66 5.10 -26.73 -0.14 -0.80 16 4 C -0.14 -1.10 4.54 -26.73 -0.12 -1.22 16 5 C 0.16 1.20 3.01 -69.08 -0.21 0.99 16 6 H 0.11 0.44 8.14 -51.93 -0.42 0.01 16 7 N -0.73 -5.25 4.66 -59.81 -0.28 -5.53 16 8 C 0.71 7.42 7.59 -86.92 -0.66 6.76 16 9 N -0.87 -5.44 8.88 27.63 0.25 -5.20 16 10 O -0.56 -8.83 13.03 -18.20 -0.24 -9.06 16 11 C 0.49 5.86 6.82 -10.99 -0.07 5.78 16 12 O -0.51 -8.54 13.68 -17.93 -0.25 -8.78 16 13 N -0.73 -7.29 5.40 -60.29 -0.33 -7.62 16 14 C 0.13 1.59 5.12 -4.04 -0.02 1.56 16 15 C -0.10 -1.25 2.98 -88.42 -0.26 -1.51 16 16 H 0.08 0.84 8.14 -51.93 -0.42 0.42 16 17 C -0.12 -1.49 5.96 -25.07 -0.15 -1.64 16 18 C -0.15 -2.42 6.59 -25.62 -0.17 -2.59 16 19 C 0.18 3.38 3.55 -66.81 -0.24 3.14 16 20 H 0.06 1.11 8.09 -51.93 -0.42 0.69 16 21 N -0.75 -17.69 4.84 -52.35 -0.25 -17.94 16 22 C -0.24 -6.84 10.44 -15.06 -0.16 -6.99 16 23 H 0.09 2.70 8.06 -52.49 -0.42 2.27 16 24 C 0.00 0.08 5.50 -17.43 -0.10 -0.01 16 25 N -0.94 -29.62 13.97 55.49 0.78 -28.84 16 26 Si 0.88 22.56 27.74 -169.99 -4.71 17.85 16 27 H -0.28 -7.23 7.11 56.52 0.40 -6.82 16 28 H -0.29 -7.55 7.11 56.52 0.40 -7.15 16 29 H -0.28 -6.70 6.52 56.52 0.37 -6.34 16 30 C -0.12 -1.84 5.99 -24.87 -0.15 -1.99 16 31 H 0.05 0.28 8.14 -51.93 -0.42 -0.15 16 32 H 0.05 0.29 8.14 -51.93 -0.42 -0.13 16 33 H 0.05 0.27 8.14 -51.93 -0.42 -0.16 16 34 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 35 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 36 H 0.06 0.28 8.14 -51.93 -0.42 -0.14 16 37 H 0.06 0.38 7.75 -51.93 -0.40 -0.02 16 38 H 0.10 1.14 6.04 -51.93 -0.31 0.83 16 39 H 0.08 0.57 8.14 -51.93 -0.42 0.14 16 40 H 0.40 1.40 8.84 -40.82 -0.36 1.04 16 41 H 0.39 1.04 8.84 -40.82 -0.36 0.68 16 42 H 0.41 2.46 8.93 -40.82 -0.36 2.09 16 43 H 0.40 2.83 8.33 -40.82 -0.34 2.49 16 44 H 0.06 0.81 8.14 -51.93 -0.42 0.39 16 45 H 0.07 0.97 8.10 -51.93 -0.42 0.55 16 46 H 0.06 0.88 8.01 -51.93 -0.42 0.47 16 47 H 0.05 0.58 8.14 -51.93 -0.42 0.15 16 48 H 0.05 0.82 8.14 -51.93 -0.42 0.40 16 49 H 0.07 1.41 7.92 -51.93 -0.41 1.00 16 50 H 0.36 8.50 5.40 -40.82 -0.22 8.28 16 51 H 0.26 7.82 8.31 -40.82 -0.34 7.49 16 52 H 0.07 0.93 8.14 -51.93 -0.42 0.51 16 53 H 0.07 1.09 7.64 -51.93 -0.40 0.69 16 LS Contribution 418.08 15.07 6.30 6.30 Total: -1.00 -38.58 418.08 -10.48 -49.06 By element: Atomic # 1 Polarization: 19.25 SS G_CDS: -9.52 Total: 9.73 kcal Atomic # 6 Polarization: 2.26 SS G_CDS: -2.23 Total: 0.03 kcal Atomic # 7 Polarization: -65.29 SS G_CDS: 0.16 Total: -65.12 kcal Atomic # 8 Polarization: -17.36 SS G_CDS: -0.48 Total: -17.85 kcal Atomic # 14 Polarization: 22.56 SS G_CDS: -4.71 Total: 17.85 kcal Total LS contribution 6.30 Total: 6.30 kcal Total: -38.58 -10.48 -49.06 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. ZINC001691681209.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 -29.715 kcal (2) G-P(sol) polarization free energy of solvation -38.577 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -68.292 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.481 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -49.058 kcal (6) G-S(sol) free energy of system = (1) + (5) -78.774 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.84 seconds