Wall clock time and date at job start Tue Mar 9 2021 12:54:39 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= 0 * AM1 - THE AM1 HAMILTONIAN TO BE USED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 O 1.45193 * 1 3 3 C 1.34228 * 117.00465 * 2 1 4 4 O 1.20829 * 119.99990 * 359.97438 * 3 2 1 5 5 C 1.50703 * 120.00393 * 180.02562 * 3 2 1 6 6 H 1.09004 * 112.90207 * 311.24218 * 5 3 2 7 7 C 1.53779 * 113.61805 * 82.49744 * 5 3 2 8 8 C 1.53774 * 87.08141 * 139.98393 * 7 5 3 9 9 H 1.08998 * 113.68980 * 220.00826 * 8 7 5 10 10 N 1.46500 * 113.61666 * 89.11622 * 8 7 5 11 11 C 1.35311 * 125.86588 * 347.82380 * 10 8 7 12 12 C 1.35355 * 106.17230 * 180.11776 * 11 10 8 13 13 C 1.50701 * 126.75027 * 179.85651 * 12 11 10 14 14 N 1.46492 * 109.47172 * 94.71576 * 13 12 11 15 15 C 1.34779 * 120.00036 * 180.02562 * 14 13 12 16 16 O 1.21628 * 119.99797 * 359.97438 * 15 14 13 17 17 C 1.47271 * 120.00047 * 179.97438 * 15 14 13 18 18 C 1.36329 * 126.96442 * 179.97438 * 17 15 14 19 19 C 1.50999 * 126.79749 * 0.07033 * 18 17 15 20 20 C 1.53396 * 108.25270 * 164.31645 * 19 18 17 21 21 C 1.53116 * 109.06511 * 48.44239 * 20 19 18 22 22 C 1.53133 * 109.54126 * 290.45110 * 21 20 19 23 23 N 1.35213 * 108.65689 * 180.02562 * 18 17 15 24 24 C 1.36425 * 109.90185 * 359.96001 * 23 18 17 25 25 C 1.50701 * 125.49669 * 180.02562 * 24 23 18 26 26 O 1.42901 * 109.47020 * 329.99311 * 25 24 23 27 27 Si 1.86304 * 109.46894 * 209.99716 * 25 24 23 28 28 C 1.34493 * 109.01143 * 0.03126 * 24 23 18 29 29 N 1.33776 * 106.49624 * 359.59585 * 12 11 10 30 30 N 1.28626 * 108.88577 * 0.26045 * 29 12 11 31 31 C 1.53777 * 113.61382 * 179.97438 * 5 3 2 32 32 H 1.09006 * 109.46753 * 60.00883 * 1 2 3 33 33 H 1.08993 * 109.47488 * 180.02562 * 1 2 3 34 34 H 1.08999 * 109.47253 * 300.01038 * 1 2 3 35 35 H 1.08994 * 113.61176 * 25.43147 * 7 5 3 36 36 H 1.08998 * 113.61237 * 254.53354 * 7 5 3 37 37 H 1.07992 * 126.91906 * 359.97438 * 11 10 8 38 38 H 1.08997 * 109.47117 * 334.70958 * 13 12 11 39 39 H 1.09008 * 109.46956 * 214.71259 * 13 12 11 40 40 H 0.97004 * 120.00539 * 359.97438 * 14 13 12 41 41 H 1.08997 * 109.70398 * 284.00194 * 19 18 17 42 42 H 1.08996 * 109.70872 * 44.62435 * 19 18 17 43 43 H 1.09001 * 109.53843 * 168.33289 * 20 19 18 44 44 H 1.09000 * 109.53885 * 288.58308 * 20 19 18 45 45 H 1.08994 * 109.46738 * 170.41659 * 21 20 19 46 46 H 1.09004 * 109.43944 * 50.46409 * 21 20 19 47 47 H 1.08994 * 109.56121 * 291.15437 * 22 21 20 48 48 H 1.08998 * 109.56037 * 170.80775 * 22 21 20 49 49 H 1.08995 * 109.47311 * 90.00034 * 25 24 23 50 50 H 0.96697 * 114.00212 * 300.00776 * 26 25 24 51 51 H 1.48502 * 109.99957 * 58.68233 * 27 25 24 52 52 H 1.48503 * 109.99999 * 179.97438 * 27 25 24 53 53 H 1.07995 * 126.82005 * 179.97438 * 28 24 23 54 54 H 1.09003 * 113.61851 * 105.46909 * 31 5 3 55 55 H 1.09001 * 113.69249 * 334.57213 * 31 5 3 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 8 1.4519 0.0000 0.0000 3 6 2.0614 1.1959 0.0000 4 8 1.4034 2.2093 -0.0005 5 6 3.5664 1.2748 -0.0006 6 1 4.0249 0.6358 0.7541 7 6 4.1907 1.1236 -1.3978 8 6 5.1808 2.2267 -0.9886 9 1 5.3966 2.9389 -1.7850 10 7 6.3903 1.7177 -0.3374 11 6 6.5748 0.4570 0.1180 12 6 7.8215 0.4247 0.6440 13 6 8.4998 -0.7590 1.2842 14 7 9.3190 -1.4510 0.2862 15 6 10.0218 -2.5472 0.6340 16 8 9.9763 -2.9615 1.7766 17 6 10.8449 -3.2432 -0.3695 18 6 11.6079 -4.3561 -0.1748 19 6 11.7764 -5.1230 1.1150 20 6 12.3859 -6.4912 0.7843 21 6 13.5913 -6.2920 -0.1387 22 6 13.1103 -5.8267 -1.5160 23 7 12.2069 -4.6796 -1.3431 24 6 11.8461 -3.7897 -2.3120 25 6 12.3098 -3.8211 -3.7456 26 8 13.6172 -4.3942 -3.8108 27 14 12.3582 -2.0854 -4.4207 28 6 11.0099 -2.8796 -1.7816 29 7 8.3353 1.6488 0.4787 30 7 7.4625 2.3912 -0.1057 31 6 4.1078 2.7141 -0.0011 32 1 -0.3633 0.5137 -0.8901 33 1 -0.3634 -1.0276 0.0005 34 1 -0.3634 0.5140 0.8899 35 1 3.5228 1.4150 -2.2083 36 1 4.6609 0.1543 -1.5633 37 1 5.8685 -0.3588 0.0732 38 1 7.7458 -1.4432 1.6732 39 1 9.1350 -0.4159 2.1010 40 1 9.3550 -1.1209 -0.6252 41 1 12.4415 -4.5762 1.7834 42 1 10.8056 -5.2585 1.5916 43 1 12.7078 -6.9789 1.7045 44 1 11.6418 -7.1103 0.2832 45 1 14.1299 -7.2339 -0.2412 46 1 14.2543 -5.5392 0.2879 47 1 12.5775 -6.6391 -2.0102 48 1 13.9671 -5.5289 -2.1203 49 1 11.6196 -4.4221 -4.3376 50 1 14.2846 -3.9100 -3.3055 51 1 13.2715 -1.2475 -3.6027 52 1 12.8146 -2.1026 -5.8338 53 1 10.5512 -2.0464 -2.2932 54 1 4.5112 3.0293 0.9612 55 1 3.4181 3.4413 -0.4296 There are 77 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 77 No. of singly occupied orbitals= 1 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER s_22_16723000_16915396.mol2 55 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 9 2021 12:54:39 Heat of formation + Delta-G solvation = 27.328616 kcal Electronic energy + Delta-G solvation = -39770.058748 eV Core-core repulsion = 34584.928309 eV Total energy + Delta-G solvation = -5185.130439 eV No. of doubly occupied orbitals = 77 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 416.194 amu Computer time = 2.02 seconds Orbital eigenvalues (eV) -44.46657 -42.76246 -41.89019 -40.20888 -39.74166 -38.09384 -37.49062 -36.87895 -36.13287 -34.00105 -33.48023 -32.41216 -31.14586 -29.79186 -29.52334 -27.91392 -27.37593 -26.93551 -26.33763 -24.65169 -24.30605 -23.74685 -22.47580 -22.15897 -21.73858 -21.05219 -20.66137 -19.64339 -19.09130 -18.93662 -18.07421 -17.78910 -17.57998 -17.47945 -17.23608 -16.81621 -16.59428 -16.51256 -16.20204 -16.12467 -15.69039 -15.60224 -15.32747 -15.21218 -15.11387 -15.05206 -14.76926 -14.54406 -14.38286 -14.25929 -14.09545 -13.87595 -13.83386 -13.68698 -13.60659 -13.35785 -13.17413 -12.91766 -12.79162 -12.63607 -12.36952 -12.19615 -12.18045 -11.97709 -11.92693 -11.84054 -11.80851 -11.79792 -11.74198 -11.48810 -11.11944 -10.93844 -10.85250 -10.29244 -10.09524 -9.52856 -9.02113 -4.91879 0.52970 0.75806 1.04150 1.05971 1.22922 1.27672 1.46717 1.67154 1.68893 1.81783 2.05526 2.58526 2.60943 2.81766 3.09794 3.18971 3.22524 3.34552 3.48938 3.59847 3.66028 3.71252 3.75760 3.81371 3.84508 3.98353 4.05356 4.18361 4.20946 4.25276 4.28362 4.31502 4.33784 4.38776 4.43378 4.51696 4.52821 4.54126 4.64527 4.65504 4.68920 4.73016 4.75694 4.78299 4.80734 4.85446 4.91400 4.95355 4.98172 5.04416 5.04812 5.19167 5.22910 5.34064 5.47221 5.62377 5.75701 6.04483 6.23997 6.33900 6.63298 6.68068 7.37393 7.45211 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.027 3.973 2 O -0.359 6.359 3 C 0.472 3.528 4 O -0.536 6.536 5 C -0.116 4.116 6 H 0.144 0.856 7 C -0.103 4.103 8 C 0.112 3.888 9 H 0.148 0.852 10 N -0.267 5.267 11 C -0.008 4.008 12 C -0.050 4.050 13 C 0.216 3.784 14 N -0.711 5.711 15 C 0.593 3.407 16 O -0.585 6.585 17 C -0.254 4.254 18 C 0.105 3.895 19 C -0.054 4.054 20 C -0.124 4.124 21 C -0.135 4.135 22 C 0.096 3.904 23 N -0.428 5.428 24 C -0.018 4.018 25 C -0.050 4.050 26 O -0.543 6.543 27 Si 0.793 3.207 28 C -0.161 4.161 29 N -0.288 5.288 30 N -0.106 5.106 31 C -0.122 4.122 32 H 0.064 0.936 33 H 0.128 0.872 34 H 0.057 0.943 35 H 0.131 0.869 36 H 0.122 0.878 37 H 0.233 0.767 38 H 0.102 0.898 39 H 0.066 0.934 40 H 0.411 0.589 41 H 0.079 0.921 42 H 0.085 0.915 43 H 0.088 0.912 44 H 0.068 0.932 45 H 0.106 0.894 46 H 0.069 0.931 47 H 0.086 0.914 48 H 0.111 0.889 49 H 0.133 0.867 50 H 0.385 0.615 51 H -0.296 1.296 52 H -0.294 1.294 53 H 0.178 0.822 54 H 0.079 0.921 55 H 0.122 0.878 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -4.554 -4.819 -5.649 8.710 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 -0.066 4.066 2 O -0.275 6.275 3 C 0.316 3.684 4 O -0.426 6.426 5 C -0.135 4.135 6 H 0.162 0.838 7 C -0.141 4.141 8 C 0.010 3.990 9 H 0.166 0.834 10 N -0.060 5.060 11 C -0.160 4.160 12 C -0.189 4.189 13 C 0.091 3.909 14 N -0.363 5.363 15 C 0.384 3.616 16 O -0.467 6.467 17 C -0.264 4.264 18 C -0.014 4.014 19 C -0.091 4.091 20 C -0.162 4.162 21 C -0.172 4.172 22 C -0.024 4.024 23 N -0.104 5.104 24 C -0.127 4.127 25 C -0.159 4.159 26 O -0.351 6.351 27 Si 0.697 3.303 28 C -0.184 4.184 29 N -0.155 5.155 30 N -0.085 5.085 31 C -0.160 4.160 32 H 0.083 0.917 33 H 0.146 0.854 34 H 0.076 0.924 35 H 0.149 0.851 36 H 0.140 0.860 37 H 0.249 0.751 38 H 0.120 0.880 39 H 0.084 0.916 40 H 0.247 0.753 41 H 0.097 0.903 42 H 0.103 0.897 43 H 0.107 0.893 44 H 0.087 0.913 45 H 0.125 0.875 46 H 0.088 0.912 47 H 0.104 0.896 48 H 0.129 0.871 49 H 0.151 0.849 50 H 0.235 0.765 51 H -0.223 1.223 52 H -0.221 1.221 53 H 0.195 0.805 54 H 0.097 0.903 55 H 0.140 0.860 Dipole moment (debyes) X Y Z Total from point charges -3.725 -3.486 -5.806 7.729 hybrid contribution 0.179 -0.730 0.571 0.944 sum -3.546 -4.217 -5.235 7.600 Atomic orbital electron populations 1.23527 0.75021 1.05621 1.02445 1.86509 1.24684 1.32928 1.83387 1.23856 0.92274 0.81105 0.71138 1.90700 1.67842 1.37503 1.46542 1.22864 0.86671 1.00957 1.02988 0.83804 1.23380 0.95456 1.00297 0.95005 1.22694 0.79781 0.99831 0.96668 0.83435 1.47316 1.12522 1.08197 1.37928 1.23934 0.99979 0.90291 1.01800 1.21921 0.94723 0.94801 1.07434 1.19264 0.93878 0.88099 0.89665 1.45616 1.47983 1.28240 1.14414 1.17459 0.78187 0.79540 0.86442 1.90751 1.66623 1.67569 1.21793 1.19932 1.09469 1.01894 0.95128 1.20574 0.95694 0.96219 0.88919 1.20446 1.02744 0.94763 0.91194 1.21692 0.97519 0.95929 1.01032 1.21924 0.98333 1.03586 0.93371 1.22435 0.93888 0.86627 0.99460 1.44034 1.36197 1.22953 1.07258 1.20915 1.04858 0.94418 0.92472 1.24958 0.85584 1.12983 0.92362 1.86562 1.18647 1.54853 1.75063 0.93560 0.89526 0.71905 0.75308 1.21955 1.02855 1.01559 0.92055 1.75130 1.23388 1.03054 1.13897 1.78381 0.91519 1.21348 1.17238 1.23363 0.96109 0.95808 1.00746 0.91743 0.85397 0.92374 0.85051 0.85984 0.75081 0.88020 0.91593 0.75318 0.90310 0.89674 0.89292 0.91345 0.87517 0.91205 0.89582 0.87108 0.84927 0.76519 1.22264 1.22126 0.80473 0.90272 0.85952 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 0.03 -0.13 10.56 113.37 1.20 1.07 16 2 O -0.36 0.85 10.56 -51.40 -0.54 0.31 16 3 C 0.47 -0.81 7.48 71.24 0.53 -0.28 16 4 O -0.54 -2.87 15.65 21.95 0.34 -2.52 16 5 C -0.12 1.00 3.85 -11.01 -0.04 0.96 16 6 H 0.14 -1.65 7.00 -2.39 -0.02 -1.67 16 7 C -0.10 1.39 6.88 31.12 0.21 1.60 16 8 C 0.11 -1.02 5.11 45.50 0.23 -0.78 16 9 H 0.15 -1.62 8.14 -2.39 -0.02 -1.64 16 10 N -0.27 0.89 3.52 -324.74 -1.14 -0.26 16 11 C -0.01 0.05 9.62 83.49 0.80 0.85 16 12 C -0.05 -0.03 6.62 41.60 0.28 0.24 16 13 C 0.22 0.28 6.23 85.64 0.53 0.81 16 14 N -0.71 -1.25 5.54 -470.26 -2.61 -3.85 16 15 C 0.59 4.54 7.81 86.62 0.68 5.21 16 16 O -0.59 -8.31 15.34 -4.12 -0.06 -8.37 16 17 C -0.25 -1.42 6.28 -19.12 -0.12 -1.54 16 18 C 0.10 0.54 6.57 41.69 0.27 0.82 16 19 C -0.05 -0.20 5.32 30.08 0.16 -0.04 16 20 C -0.12 0.22 5.98 30.77 0.18 0.40 16 21 C -0.13 0.55 5.92 30.68 0.18 0.73 16 22 C 0.10 -0.26 6.21 86.32 0.54 0.28 16 23 N -0.43 -0.67 3.11 -493.61 -1.54 -2.21 16 24 C -0.02 0.00 6.15 40.99 0.25 0.25 16 25 C -0.05 0.16 3.00 71.24 0.21 0.38 16 26 O -0.54 0.99 10.28 -148.98 -1.53 -0.54 16 27 Si 0.79 -2.94 31.11 68.60 2.13 -0.80 16 28 C -0.16 0.00 9.09 23.64 0.21 0.21 16 29 N -0.29 -2.19 12.41 -48.59 -0.60 -2.79 16 30 N -0.11 -0.58 13.16 37.02 0.49 -0.09 16 31 C -0.12 0.82 7.20 31.11 0.22 1.04 16 32 H 0.06 -0.29 8.13 -2.38 -0.02 -0.30 16 33 H 0.13 -1.25 8.14 -2.39 -0.02 -1.27 16 34 H 0.06 -0.18 8.13 -2.39 -0.02 -0.20 16 35 H 0.13 -1.96 8.09 -2.39 -0.02 -1.98 16 36 H 0.12 -2.09 6.97 -2.39 -0.02 -2.11 16 37 H 0.23 -3.41 6.75 -2.91 -0.02 -3.43 16 38 H 0.10 -0.17 8.14 -2.39 -0.02 -0.19 16 39 H 0.07 0.38 8.14 -2.38 -0.02 0.36 16 40 H 0.41 -0.89 7.59 -92.71 -0.70 -1.60 16 41 H 0.08 0.40 8.14 -2.39 -0.02 0.38 16 42 H 0.08 0.57 7.40 -2.39 -0.02 0.55 16 43 H 0.09 -0.32 8.14 -2.39 -0.02 -0.34 16 44 H 0.07 -0.10 8.12 -2.39 -0.02 -0.12 16 45 H 0.11 -0.81 8.14 -2.39 -0.02 -0.83 16 46 H 0.07 -0.19 8.11 -2.39 -0.02 -0.21 16 47 H 0.09 -0.27 8.14 -2.39 -0.02 -0.29 16 48 H 0.11 -0.49 5.68 -2.39 -0.01 -0.50 16 49 H 0.13 -0.72 7.96 -2.39 -0.02 -0.74 16 50 H 0.39 -2.26 8.27 -74.06 -0.61 -2.87 16 51 H -0.30 -0.91 7.11 99.48 0.71 -0.21 16 52 H -0.29 -0.87 7.11 99.48 0.71 -0.17 16 53 H 0.18 -1.20 6.52 -2.91 -0.02 -1.22 16 54 H 0.08 -0.29 8.14 -2.39 -0.02 -0.31 16 55 H 0.12 -0.70 7.44 -2.39 -0.02 -0.72 16 Total: 0.00 -31.71 446.21 1.17 -30.54 By element: Atomic # 1 Polarization: -21.31 SS G_CDS: -0.31 Total: -21.62 kcal Atomic # 6 Polarization: 5.68 SS G_CDS: 6.54 Total: 12.22 kcal Atomic # 7 Polarization: -3.80 SS G_CDS: -5.40 Total: -9.20 kcal Atomic # 8 Polarization: -9.34 SS G_CDS: -1.79 Total: -11.13 kcal Atomic # 14 Polarization: -2.94 SS G_CDS: 2.13 Total: -0.80 kcal Total: -31.71 1.17 -30.54 kcal The number of atoms in the molecule is 55 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. s_22_16723000_16915396.mol2 55 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 57.868 kcal (2) G-P(sol) polarization free energy of solvation -31.705 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 26.163 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 1.166 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -30.539 kcal (6) G-S(sol) free energy of system = (1) + (5) 27.329 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.02 seconds