Wall clock time and date at job start Sat Apr 11 2020 06:12:17 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 1.52992 * 1 3 3 C 1.53006 * 109.47413 * 2 1 4 4 C 1.52992 * 109.47413 * 180.02562 * 3 2 1 5 5 N 1.46503 * 109.47186 * 179.97438 * 4 3 2 6 6 C 1.46496 * 119.99835 * 85.05213 * 5 4 3 7 7 C 1.53004 * 109.47188 * 96.06288 * 6 5 4 8 8 C 1.52996 * 109.47121 * 179.97438 * 7 6 5 9 9 C 1.52997 * 109.47042 * 179.97438 * 8 7 6 10 10 C 1.34773 * 119.99836 * 265.05170 * 5 4 3 11 11 O 1.21352 * 119.99964 * 5.55410 * 10 5 4 12 12 C 1.49454 * 120.00308 * 185.55439 * 10 5 4 13 13 O 1.21350 * 119.99453 * 355.30333 * 12 10 5 14 14 N 1.34770 * 120.00375 * 175.30506 * 12 10 5 15 15 C 1.47022 * 125.64693 * 359.68773 * 14 12 10 16 16 C 1.54338 * 107.26338 * 178.85468 * 15 14 12 17 17 C 1.55160 * 103.02185 * 338.14058 * 16 15 14 18 18 O 1.42897 * 111.00441 * 277.23828 * 17 16 15 19 19 C 1.50703 * 111.03668 * 153.39752 * 17 16 15 20 20 H 1.08000 * 119.99921 * 6.32877 * 19 17 16 21 21 C 1.37874 * 119.99730 * 186.33195 * 19 17 16 22 22 N 1.31511 * 120.00240 * 0.02562 * 21 19 17 23 23 Si 1.86800 * 119.99976 * 179.97438 * 21 19 17 24 24 H 1.48500 * 109.46768 * 89.99872 * 23 21 19 25 25 H 1.48498 * 109.47389 * 209.99862 * 23 21 19 26 26 H 1.48497 * 109.47175 * 330.00545 * 23 21 19 27 27 C 1.47430 * 125.64946 * 180.02562 * 14 12 10 28 28 H 1.09003 * 109.47356 * 59.99853 * 1 2 3 29 29 H 1.08996 * 109.47187 * 180.02562 * 1 2 3 30 30 H 1.09000 * 109.47614 * 300.00405 * 1 2 3 31 31 H 1.08999 * 109.47377 * 240.00088 * 2 1 3 32 32 H 1.08998 * 109.46987 * 119.99513 * 2 1 3 33 33 H 1.09000 * 109.47061 * 59.99256 * 3 2 1 34 34 H 1.09007 * 109.46786 * 299.99919 * 3 2 1 35 35 H 1.09000 * 109.47614 * 59.99595 * 4 3 2 36 36 H 1.09007 * 109.47079 * 299.99739 * 4 3 2 37 37 H 1.09003 * 109.46984 * 216.05760 * 6 5 4 38 38 H 1.08996 * 109.47730 * 336.05854 * 6 5 4 39 39 H 1.08991 * 109.47026 * 299.99844 * 7 6 5 40 40 H 1.09006 * 109.47023 * 59.99752 * 7 6 5 41 41 H 1.08991 * 109.47601 * 300.00175 * 8 7 6 42 42 H 1.09006 * 109.46817 * 60.00308 * 8 7 6 43 43 H 1.09000 * 109.47454 * 300.00477 * 9 8 7 44 44 H 1.08996 * 109.47367 * 60.00707 * 9 8 7 45 45 H 1.09006 * 109.47088 * 180.02562 * 9 8 7 46 46 H 1.08997 * 109.88319 * 298.39336 * 15 14 12 47 47 H 1.08993 * 109.88033 * 59.56597 * 15 14 12 48 48 H 1.09001 * 110.84629 * 219.67633 * 16 15 14 49 49 H 1.09001 * 110.51673 * 96.45130 * 16 15 14 50 50 H 0.96698 * 114.00441 * 173.65258 * 18 17 16 51 51 H 0.97002 * 120.00235 * 180.02562 * 22 21 19 52 52 H 1.09001 * 110.36002 * 322.92949 * 27 14 12 53 53 H 1.09001 * 110.36720 * 85.13640 * 27 14 12 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 1.5299 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 6 3.5699 1.4425 -0.0006 5 7 4.0583 2.8238 -0.0013 6 6 4.1998 3.5512 1.2624 7 6 5.6467 3.4503 1.7498 8 6 5.7946 4.2105 3.0692 9 6 7.2412 4.1090 3.5568 10 6 4.3773 3.4251 -1.1644 11 8 4.1658 2.8604 -2.2175 12 6 4.9917 4.7876 -1.1574 13 8 5.1250 5.3876 -0.1111 14 7 5.3976 5.3497 -2.3131 15 6 5.3023 4.7346 -3.6450 16 6 5.8606 5.7534 -4.6610 17 6 5.7252 7.1050 -3.9112 18 8 4.4025 7.6307 -4.0375 19 6 6.7474 8.0991 -4.3992 20 1 7.3766 7.8567 -5.2428 21 6 6.8792 9.3181 -3.7686 22 7 6.1133 9.6131 -2.7410 23 14 8.1466 10.5501 -4.3730 24 1 7.5323 11.4282 -5.4010 25 1 8.6164 11.3769 -3.2324 26 1 9.2985 9.8246 -4.9661 27 6 6.0172 6.6805 -2.4501 28 1 -0.3634 0.5139 -0.8900 29 1 -0.3633 -1.0276 0.0005 30 1 -0.3634 0.5139 0.8899 31 1 1.8933 -0.5138 -0.8900 32 1 1.8932 -0.5138 0.8900 33 1 1.6766 1.9564 0.8899 34 1 1.6767 1.9564 -0.8901 35 1 3.9330 0.9288 -0.8908 36 1 3.9337 0.9286 0.8892 37 1 3.9402 4.5988 1.1097 38 1 3.5341 3.1169 2.0083 39 1 5.9064 2.4028 1.9025 40 1 6.3124 3.8847 1.0039 41 1 5.5350 5.2579 2.9162 42 1 5.1288 3.7764 3.8152 43 1 7.5005 3.0614 3.7100 44 1 7.9073 4.5428 2.8110 45 1 7.3465 4.6503 4.4971 46 1 5.8923 3.8186 -3.6734 47 1 4.2605 4.5145 -3.8779 48 1 5.2646 5.7574 -5.5737 49 1 6.9059 5.5384 -4.8826 50 1 4.2417 8.4230 -3.5070 51 1 6.2058 10.4709 -2.2976 52 1 5.5628 7.3840 -1.7525 53 1 7.0919 6.6180 -2.2788 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 ZINC001328413516.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 06:12:17 Heat of formation + Delta-G solvation = -131.832001 kcal Electronic energy + Delta-G solvation = -31609.983981 eV Core-core repulsion = 27481.305058 eV Total energy + Delta-G solvation = -4128.678923 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 3.38 seconds Orbital eigenvalues (eV) -40.59640 -38.62901 -37.32429 -36.67619 -35.38674 -34.28269 -33.68609 -32.25491 -30.21022 -29.93323 -28.40765 -27.87908 -25.94441 -24.54078 -23.95863 -22.82737 -21.52550 -21.26497 -20.74349 -19.66045 -18.70198 -17.22176 -16.86181 -16.75114 -15.79379 -15.65882 -15.52970 -15.11905 -15.08246 -14.64012 -14.48282 -14.21179 -13.86339 -13.60556 -13.21672 -13.12673 -13.01553 -12.84061 -12.82781 -12.72092 -12.49346 -12.23339 -11.70354 -11.66599 -11.54031 -11.46478 -11.32260 -11.27492 -11.21848 -11.08287 -11.04205 -10.85414 -10.75677 -10.64112 -10.51573 -10.47172 -10.40387 -10.20979 -9.36606 -8.91746 -8.70967 -8.69523 -8.39259 -7.86177 -6.30360 -4.39723 1.83699 2.61151 3.19724 3.27368 3.29849 3.61521 3.75606 4.24851 4.56107 4.67843 4.73978 4.86744 4.96215 4.97236 5.01747 5.08487 5.18148 5.25227 5.37632 5.42237 5.50011 5.57119 5.58978 5.63833 5.71260 5.72363 5.80167 5.83541 5.84289 5.85347 5.92672 6.02460 6.06292 6.07277 6.13916 6.18305 6.29709 6.34493 6.39737 6.52164 6.57598 6.73273 6.83368 6.87235 7.17254 7.20922 7.31005 7.71581 7.84876 8.00897 8.09567 8.50070 8.64454 9.27814 9.36334 10.76744 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.012190 B = 0.003144 C = 0.002653 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2296.504635 B = 8905.058473 C =10550.008859 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 -0.121 4.121 3 C -0.136 4.136 4 C 0.114 3.886 5 N -0.591 5.591 6 C 0.103 3.897 7 C -0.127 4.127 8 C -0.117 4.117 9 C -0.150 4.150 10 C 0.508 3.492 11 O -0.518 6.518 12 C 0.506 3.494 13 O -0.527 6.527 14 N -0.575 5.575 15 C 0.111 3.889 16 C -0.121 4.121 17 C 0.249 3.751 18 O -0.581 6.581 19 C -0.536 4.536 20 H 0.068 0.932 21 C 0.071 3.929 22 N -0.893 5.893 23 Si 0.904 3.096 24 H -0.278 1.278 25 H -0.285 1.285 26 H -0.272 1.272 27 C 0.094 3.906 28 H 0.055 0.945 29 H 0.053 0.947 30 H 0.053 0.947 31 H 0.064 0.936 32 H 0.061 0.939 33 H 0.064 0.936 34 H 0.068 0.932 35 H 0.085 0.915 36 H 0.076 0.924 37 H 0.111 0.889 38 H 0.068 0.932 39 H 0.051 0.949 40 H 0.072 0.928 41 H 0.070 0.930 42 H 0.055 0.945 43 H 0.048 0.952 44 H 0.055 0.945 45 H 0.051 0.949 46 H 0.061 0.939 47 H 0.071 0.929 48 H 0.076 0.924 49 H 0.077 0.923 50 H 0.380 0.620 51 H 0.270 0.730 52 H 0.091 0.909 53 H 0.066 0.934 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -4.690 -15.538 9.762 18.940 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 -0.159 4.159 3 C -0.174 4.174 4 C -0.009 4.009 5 N -0.324 5.324 6 C -0.019 4.019 7 C -0.165 4.165 8 C -0.155 4.155 9 C -0.207 4.207 10 C 0.292 3.708 11 O -0.394 6.394 12 C 0.289 3.711 13 O -0.406 6.406 14 N -0.306 5.306 15 C -0.011 4.011 16 C -0.159 4.159 17 C 0.208 3.792 18 O -0.389 6.389 19 C -0.574 4.574 20 H 0.086 0.914 21 C -0.132 4.132 22 N -0.532 5.532 23 Si 0.731 3.269 24 H -0.204 1.204 25 H -0.210 1.210 26 H -0.197 1.197 27 C -0.027 4.027 28 H 0.074 0.926 29 H 0.072 0.928 30 H 0.072 0.928 31 H 0.082 0.918 32 H 0.080 0.920 33 H 0.082 0.918 34 H 0.087 0.913 35 H 0.103 0.897 36 H 0.094 0.906 37 H 0.129 0.871 38 H 0.086 0.914 39 H 0.070 0.930 40 H 0.091 0.909 41 H 0.088 0.912 42 H 0.074 0.926 43 H 0.068 0.932 44 H 0.074 0.926 45 H 0.070 0.930 46 H 0.080 0.920 47 H 0.089 0.911 48 H 0.094 0.906 49 H 0.096 0.904 50 H 0.230 0.770 51 H 0.080 0.920 52 H 0.109 0.891 53 H 0.084 0.916 Dipole moment (debyes) X Y Z Total from point charges -4.847 -15.922 9.522 19.175 hybrid contribution 0.756 1.124 0.242 1.377 sum -4.091 -14.797 9.764 18.194 Atomic orbital electron populations 1.21756 0.95719 1.01488 1.01961 1.21440 0.96058 0.96316 1.02055 1.21987 0.95325 0.97256 1.02861 1.21570 0.94099 0.81967 1.03224 1.47838 1.63809 1.13966 1.06808 1.22085 0.96948 0.99387 0.83509 1.21920 0.97197 0.99481 0.97930 1.21370 0.96733 1.01348 0.96041 1.21741 0.96983 1.01121 1.00894 1.20477 0.79249 0.87233 0.83888 1.90712 1.52693 1.65582 1.30379 1.19554 0.81084 0.86608 0.83892 1.90653 1.56186 1.64103 1.29668 1.48674 1.56389 1.19551 1.06026 1.22132 1.01532 0.95662 0.81811 1.22711 1.00778 0.94732 0.97716 1.19637 0.82149 0.89450 0.87961 1.86134 1.32386 1.48223 1.72176 1.21461 1.19539 1.00245 1.16191 0.91429 1.25080 0.95826 0.98182 0.94146 1.69708 1.39083 1.23606 1.20792 0.86398 0.81271 0.80789 0.78429 1.20376 1.21026 1.19694 1.23457 0.96873 0.79946 1.02432 0.92618 0.92801 0.92806 0.91755 0.92025 0.91772 0.91302 0.89650 0.90561 0.87138 0.91354 0.93013 0.90890 0.91174 0.92602 0.93243 0.92578 0.92968 0.92044 0.91087 0.90560 0.90444 0.76985 0.91996 0.89109 0.91566 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 -1.15 9.91 37.15 0.37 -0.79 16 2 C -0.12 -0.97 5.93 -26.73 -0.16 -1.13 16 3 C -0.14 -1.35 5.54 -26.73 -0.15 -1.50 16 4 C 0.11 1.24 5.40 -4.04 -0.02 1.22 16 5 N -0.59 -8.13 2.49 -174.19 -0.43 -8.56 16 6 C 0.10 1.29 5.00 -4.04 -0.02 1.27 16 7 C -0.13 -1.57 4.96 -26.73 -0.13 -1.71 16 8 C -0.12 -1.30 5.93 -26.73 -0.16 -1.46 16 9 C -0.15 -1.57 9.91 37.16 0.37 -1.20 16 10 C 0.51 8.81 7.64 -11.58 -0.09 8.72 16 11 O -0.52 -9.65 13.71 5.49 0.08 -9.57 16 12 C 0.51 10.00 7.52 -11.59 -0.09 9.91 16 13 O -0.53 -10.71 11.84 5.50 0.07 -10.64 16 14 N -0.57 -12.09 3.33 -171.01 -0.57 -12.65 16 15 C 0.11 2.17 5.50 -3.06 -0.02 2.16 16 16 C -0.12 -2.49 6.13 -24.89 -0.15 -2.64 16 17 C 0.25 5.98 0.87 -89.61 -0.08 5.90 16 18 O -0.58 -14.74 13.16 -35.23 -0.46 -15.21 16 19 C -0.54 -13.76 8.27 -34.44 -0.28 -14.05 16 20 H 0.07 1.71 7.79 -52.49 -0.41 1.30 16 21 C 0.07 1.82 5.29 -17.82 -0.09 1.72 16 22 N -0.89 -23.30 10.69 55.43 0.59 -22.71 16 23 Si 0.90 20.09 29.54 -169.99 -5.02 15.07 16 24 H -0.28 -6.19 7.11 56.52 0.40 -5.79 16 25 H -0.28 -6.32 7.11 56.52 0.40 -5.92 16 26 H -0.27 -5.99 7.11 56.52 0.40 -5.59 16 27 C 0.09 2.20 5.38 -2.52 -0.01 2.18 16 28 H 0.05 0.45 8.14 -51.93 -0.42 0.03 16 29 H 0.05 0.36 8.14 -51.93 -0.42 -0.07 16 30 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 31 H 0.06 0.53 8.14 -51.93 -0.42 0.10 16 32 H 0.06 0.43 8.14 -51.93 -0.42 0.00 16 33 H 0.06 0.61 8.14 -51.93 -0.42 0.19 16 34 H 0.07 0.84 8.14 -51.92 -0.42 0.41 16 35 H 0.09 1.01 7.36 -51.93 -0.38 0.63 16 36 H 0.08 0.66 8.11 -51.92 -0.42 0.24 16 37 H 0.11 1.67 5.70 -51.93 -0.30 1.37 16 38 H 0.07 0.68 8.03 -51.93 -0.42 0.27 16 39 H 0.05 0.58 8.14 -51.93 -0.42 0.15 16 40 H 0.07 1.13 6.52 -51.93 -0.34 0.79 16 41 H 0.07 0.89 8.14 -51.93 -0.42 0.46 16 42 H 0.06 0.53 8.14 -51.93 -0.42 0.10 16 43 H 0.05 0.47 8.14 -51.93 -0.42 0.04 16 44 H 0.06 0.65 8.14 -51.93 -0.42 0.23 16 45 H 0.05 0.49 8.14 -51.93 -0.42 0.07 16 46 H 0.06 1.11 7.81 -51.93 -0.41 0.70 16 47 H 0.07 1.42 7.46 -51.93 -0.39 1.03 16 48 H 0.08 1.51 8.14 -51.93 -0.42 1.08 16 49 H 0.08 1.48 8.03 -51.93 -0.42 1.07 16 50 H 0.38 9.81 7.57 45.56 0.34 10.16 16 51 H 0.27 6.78 8.31 -40.82 -0.34 6.44 16 52 H 0.09 2.35 7.33 -51.93 -0.38 1.97 16 53 H 0.07 1.59 8.03 -51.93 -0.42 1.17 16 LS Contribution 417.29 15.07 6.29 6.29 Total: -1.00 -27.60 417.29 -9.16 -36.77 By element: Atomic # 1 Polarization: 21.60 SS G_CDS: -8.98 Total: 12.62 kcal Atomic # 6 Polarization: 9.33 SS G_CDS: -0.72 Total: 8.61 kcal Atomic # 7 Polarization: -43.52 SS G_CDS: -0.41 Total: -43.93 kcal Atomic # 8 Polarization: -35.10 SS G_CDS: -0.32 Total: -35.43 kcal Atomic # 14 Polarization: 20.09 SS G_CDS: -5.02 Total: 15.07 kcal Total LS contribution 6.29 Total: 6.29 kcal Total: -27.60 -9.16 -36.77 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. ZINC001328413516.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 -95.064 kcal (2) G-P(sol) polarization free energy of solvation -27.604 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -122.668 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.164 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -36.768 kcal (6) G-S(sol) free energy of system = (1) + (5) -131.832 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 3.39 seconds