Wall clock time and date at job start Sat Mar 6 2021 05:04:18 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 * 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 O 1.42899 * 1 3 3 C 1.35989 * 117.00614 * 2 1 4 4 C 1.38561 * 120.06093 * 359.97438 * 3 2 1 5 5 C 1.38278 * 120.01542 * 179.97438 * 4 3 2 6 6 C 1.50703 * 119.92089 * 179.97438 * 5 4 3 7 7 O 1.42896 * 109.47055 * 300.00204 * 6 5 4 8 8 Si 1.86304 * 109.46911 * 180.02562 * 6 5 4 9 9 C 1.38209 * 120.15800 * 0.27978 * 5 4 3 10 10 C 1.38378 * 120.12953 * 359.48492 * 9 5 4 11 11 Cl 1.73607 * 120.01209 * 180.28232 * 10 9 5 12 12 C 1.38623 * 119.97965 * 0.49098 * 10 9 5 13 13 O 1.36022 * 120.07814 * 179.74319 * 12 10 9 14 14 C 1.42898 * 117.00142 * 270.02166 * 13 12 10 15 15 C 1.52999 * 109.46815 * 90.00324 * 14 13 12 16 16 C 1.50697 * 109.47101 * 209.99819 * 14 13 12 17 17 O 1.20825 * 120.00510 * 0.02562 * 16 14 13 18 18 O 1.34235 * 120.00006 * 179.97438 * 16 14 13 19 19 C 1.45199 * 117.00319 * 180.02562 * 18 16 14 20 20 C 1.52997 * 109.47401 * 180.02562 * 19 18 16 21 21 H 1.09001 * 109.47170 * 305.00241 * 20 19 18 22 22 C 1.53004 * 109.47157 * 64.99975 * 20 19 18 23 23 C 1.52997 * 109.47157 * 179.97438 * 22 20 19 24 24 C 1.53001 * 109.47225 * 300.00166 * 23 22 20 25 25 H 1.09001 * 109.47128 * 300.00126 * 24 23 22 26 26 O 1.42901 * 109.47052 * 179.97438 * 24 23 22 27 27 C 1.53004 * 109.47189 * 59.99853 * 24 23 22 28 28 C 1.52997 * 109.47157 * 300.00188 * 27 24 23 29 29 H 1.09003 * 109.46947 * 300.00656 * 1 2 3 30 30 H 1.09000 * 109.46884 * 59.99627 * 1 2 3 31 31 H 1.08997 * 109.47854 * 180.02562 * 1 2 3 32 32 H 1.07997 * 119.99351 * 359.97438 * 4 3 2 33 33 H 1.09002 * 109.47152 * 60.00012 * 6 5 4 34 34 H 0.96708 * 114.00101 * 299.99358 * 7 6 5 35 35 H 1.48501 * 109.99652 * 179.97438 * 8 6 5 36 36 H 1.48494 * 110.00064 * 301.31786 * 8 6 5 37 37 H 1.07994 * 119.93816 * 179.72644 * 9 5 4 38 38 H 1.08995 * 109.47437 * 330.00019 * 14 13 12 39 39 H 1.09005 * 109.46875 * 299.99715 * 15 14 13 40 40 H 1.08994 * 109.47802 * 59.99955 * 15 14 13 41 41 H 1.09006 * 109.47369 * 180.02562 * 15 14 13 42 42 H 1.09001 * 109.47088 * 300.00467 * 19 18 16 43 43 H 1.09002 * 109.47100 * 59.99889 * 19 18 16 44 44 H 1.08996 * 109.46915 * 300.00491 * 22 20 19 45 45 H 1.09001 * 109.46863 * 60.00078 * 22 20 19 46 46 H 1.08995 * 109.47205 * 179.97438 * 23 22 20 47 47 H 1.09001 * 109.47170 * 60.00266 * 23 22 20 48 48 H 0.96703 * 113.99894 * 59.99800 * 26 24 23 49 49 H 1.08996 * 109.46915 * 179.97438 * 27 24 23 50 50 H 1.09001 * 109.46863 * 60.00110 * 27 24 23 51 51 H 1.09001 * 109.47170 * 299.99734 * 28 27 24 52 52 H 1.08995 * 109.47205 * 180.02562 * 28 27 24 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 1.4290 0.0000 0.0000 3 6 2.0465 1.2116 0.0000 4 6 1.2932 2.3746 -0.0005 5 6 1.9221 3.6061 0.0000 6 6 1.1007 4.8696 -0.0012 7 8 0.2776 4.9015 -1.1689 8 14 2.2349 6.3475 -0.0009 9 6 3.3021 3.6810 -0.0048 10 6 4.0606 2.5236 0.0007 11 17 5.7939 2.6212 0.0021 12 6 3.4359 1.2861 0.0006 13 8 4.1795 0.1471 0.0007 14 6 4.5347 -0.3959 -1.2725 15 6 5.8694 0.1989 -1.7262 16 6 4.6639 -1.8932 -1.1617 17 8 4.4711 -2.4395 -0.1014 18 8 4.9921 -2.6203 -2.2413 19 6 5.0982 -4.0572 -2.0611 20 6 5.4783 -4.7113 -3.3909 21 1 4.7593 -4.4213 -4.1571 22 6 6.8776 -4.2509 -3.8042 23 6 7.2580 -4.9056 -5.1337 24 6 7.2481 -6.4272 -4.9741 25 1 7.9670 -6.7169 -4.2077 26 8 7.6028 -7.0387 -6.2161 27 6 5.8488 -6.8876 -4.5608 28 6 5.4684 -6.2330 -3.2313 29 1 -0.3633 0.5140 0.8900 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3635 -1.0276 0.0005 32 1 0.2147 2.3192 -0.0014 33 1 0.4708 4.8943 0.8881 34 1 0.7725 4.8822 -1.9995 35 1 1.4370 7.6000 -0.0026 36 1 3.1186 6.3094 1.1919 37 1 3.7896 4.6446 -0.0088 38 1 3.7615 -0.1508 -2.0006 39 1 5.7760 1.2819 -1.8063 40 1 6.6427 -0.0462 -0.9982 41 1 6.1402 -0.2149 -2.6976 42 1 5.8649 -4.2745 -1.3174 43 1 4.1407 -4.4524 -1.7218 44 1 6.8847 -3.1669 -3.9173 45 1 7.5966 -4.5409 -3.0380 46 1 8.2546 -4.5772 -5.4283 47 1 6.5391 -4.6159 -5.9001 48 1 8.4798 -6.7914 -6.5399 49 1 5.8417 -7.9717 -4.4476 50 1 5.1299 -6.5980 -5.3272 51 1 6.1873 -6.5226 -2.4649 52 1 4.4717 -6.5613 -2.9367 There are 72 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 72 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) 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). Cl: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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=GENORG IOFR=1.4345 ALPHA=0.00 BETA=0.00 GAMMA=38.93 & DIELEC=2.06 FACARB=0.00 FEHALO=0.00 DEV s_1458_13428716_16737258.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Mar 6 2021 05:04:18 Heat of formation + Delta-G solvation = -220.888192 kcal Electronic energy + Delta-G solvation = -36521.231930 eV Core-core repulsion = 31479.283181 eV Total energy + Delta-G solvation = -5041.948749 eV No. of doubly occupied orbitals = 72 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 401.146 amu Computer time = 1.37 seconds Orbital eigenvalues (eV) -42.06919 -41.45500 -40.16259 -39.47307 -39.21870 -37.91171 -37.53079 -36.98882 -36.51900 -33.50471 -31.95331 -31.90261 -31.48504 -31.36954 -28.72245 -27.17603 -26.73987 -25.33582 -23.88712 -23.74946 -22.98882 -22.38322 -21.83592 -20.92494 -19.72308 -18.95145 -18.61695 -18.33337 -18.23236 -17.90777 -17.59740 -17.38442 -16.94624 -16.49264 -16.36943 -16.15535 -16.01824 -15.90909 -15.79309 -15.53289 -15.15929 -14.95617 -14.68509 -14.52720 -14.24839 -14.20896 -13.96892 -13.94157 -13.63736 -13.56193 -13.35978 -13.29209 -13.15765 -12.85175 -12.77141 -12.69017 -12.56137 -12.40175 -12.19896 -12.04199 -11.99961 -11.88309 -11.73621 -11.70049 -11.53369 -11.41716 -11.16420 -11.03824 -10.75288 -10.66558 -9.87663 -9.47207 -5.16012 -0.40485 -0.07623 0.80857 1.11208 1.19695 1.26344 1.52454 1.85716 2.05989 2.12194 2.61632 3.11627 3.20021 3.37362 3.43705 3.55721 3.65247 3.67391 3.71251 3.75060 3.78261 3.87528 3.89375 3.98219 4.01358 4.08816 4.10525 4.12499 4.21639 4.28634 4.29869 4.32952 4.39357 4.43590 4.45369 4.53418 4.54554 4.63206 4.63465 4.72384 4.76377 4.87469 4.98517 5.00421 5.01408 5.06627 5.08710 5.09047 5.12975 5.24262 5.32839 5.44735 5.82551 6.27686 6.37227 6.68214 6.79747 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.022 3.978 2 O -0.298 6.298 3 C 0.133 3.867 4 C -0.169 4.169 5 C -0.066 4.066 6 C -0.069 4.069 7 O -0.536 6.536 8 Si 0.687 3.313 9 C -0.137 4.137 10 C -0.008 4.008 11 Cl -0.033 7.033 12 C 0.070 3.930 13 O -0.285 6.285 14 C 0.105 3.895 15 C -0.179 4.179 16 C 0.465 3.535 17 O -0.480 6.480 18 O -0.351 6.351 19 C 0.072 3.928 20 C -0.088 4.088 21 H 0.086 0.914 22 C -0.112 4.112 23 C -0.152 4.152 24 C 0.102 3.898 25 H 0.055 0.945 26 O -0.569 6.569 27 C -0.111 4.111 28 C -0.111 4.111 29 H 0.060 0.940 30 H 0.061 0.939 31 H 0.106 0.894 32 H 0.146 0.854 33 H 0.121 0.879 34 H 0.381 0.619 35 H -0.250 1.250 36 H -0.253 1.253 37 H 0.145 0.855 38 H 0.102 0.898 39 H 0.084 0.916 40 H 0.074 0.926 41 H 0.084 0.916 42 H 0.073 0.927 43 H 0.074 0.926 44 H 0.075 0.925 45 H 0.065 0.935 46 H 0.067 0.933 47 H 0.072 0.928 48 H 0.379 0.621 49 H 0.074 0.926 50 H 0.072 0.928 51 H 0.070 0.930 52 H 0.075 0.925 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.070 2.397 -4.491 5.091 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 -0.073 4.073 2 O -0.210 6.210 3 C 0.085 3.915 4 C -0.188 4.188 5 C -0.067 4.067 6 C -0.179 4.179 7 O -0.342 6.342 8 Si 0.588 3.412 9 C -0.155 4.155 10 C -0.035 4.035 11 Cl -0.004 7.004 12 C 0.025 3.975 13 O -0.201 6.201 14 C 0.048 3.952 15 C -0.237 4.237 16 C 0.305 3.695 17 O -0.364 6.364 18 O -0.269 6.269 19 C -0.001 4.001 20 C -0.107 4.107 21 H 0.105 0.895 22 C -0.150 4.150 23 C -0.189 4.189 24 C 0.044 3.956 25 H 0.073 0.927 26 O -0.375 6.375 27 C -0.148 4.148 28 C -0.148 4.148 29 H 0.079 0.921 30 H 0.080 0.920 31 H 0.125 0.875 32 H 0.164 0.836 33 H 0.138 0.862 34 H 0.229 0.771 35 H -0.174 1.174 36 H -0.177 1.177 37 H 0.163 0.837 38 H 0.120 0.880 39 H 0.103 0.897 40 H 0.093 0.907 41 H 0.103 0.897 42 H 0.092 0.908 43 H 0.092 0.908 44 H 0.093 0.907 45 H 0.083 0.917 46 H 0.085 0.915 47 H 0.091 0.909 48 H 0.226 0.774 49 H 0.092 0.908 50 H 0.091 0.909 51 H 0.088 0.912 52 H 0.093 0.907 Dipole moment (debyes) X Y Z Total from point charges -0.496 2.362 -3.061 3.898 hybrid contribution 0.043 -0.147 0.381 0.410 sum -0.453 2.215 -2.681 3.507 Atomic orbital electron populations 1.23235 0.77373 1.04835 1.01840 1.86238 1.22006 1.25155 1.87639 1.19241 0.90852 0.85606 0.95767 1.21152 1.01107 0.90514 1.05984 1.20146 0.92894 0.95792 0.97875 1.25109 0.99777 1.01290 0.91752 1.86524 1.35472 1.96850 1.15316 0.94678 0.80797 0.76656 0.89035 1.20754 0.92744 0.97210 1.04805 1.20906 0.86293 0.93049 1.03289 1.98402 1.07536 1.98320 1.96104 1.17520 0.86483 0.85326 1.08221 1.86252 1.69588 1.37810 1.26468 1.21660 0.99991 0.87242 0.86312 1.22582 0.95135 1.03167 1.02771 1.23121 0.74001 0.90034 0.82326 1.90724 1.43873 1.72672 1.29156 1.86429 1.80533 1.21765 1.38168 1.23199 1.02519 0.75784 0.98637 1.21272 0.98597 0.94874 0.95932 0.89540 1.21535 0.95544 1.01073 0.96832 1.22273 1.02380 0.95867 0.98425 1.21853 0.96690 0.91325 0.85782 0.92697 1.86521 1.39475 1.72174 1.39329 1.21437 0.95495 1.00982 0.96925 1.21478 1.02678 0.93043 0.97640 0.92097 0.92031 0.87533 0.83603 0.86200 0.77120 1.17435 1.17725 0.83746 0.88041 0.89735 0.90728 0.89735 0.90827 0.90802 0.90652 0.91676 0.91478 0.90897 0.77388 0.90780 0.90911 0.91152 0.90652 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 0.02 -0.03 9.81 101.05 0.99 0.96 16 2 O -0.30 -0.68 10.28 -34.21 -0.35 -1.03 16 3 C 0.13 0.23 6.70 -39.13 -0.26 -0.03 16 4 C -0.17 0.03 8.60 -39.45 -0.34 -0.31 16 5 C -0.07 0.06 5.39 -104.62 -0.56 -0.50 16 6 C -0.07 0.12 2.82 36.01 0.10 0.22 16 7 O -0.54 0.87 12.76 -35.23 -0.45 0.42 16 8 Si 0.69 -1.48 29.78 -169.99 -5.06 -6.54 16 9 C -0.14 0.10 8.45 -39.54 -0.33 -0.24 16 10 C -0.01 -0.01 6.24 -39.39 -0.25 -0.25 16 11 Cl -0.03 -0.02 24.90 -51.86 -1.29 -1.31 16 12 C 0.07 0.17 5.56 -39.10 -0.22 -0.05 16 13 O -0.29 -1.13 8.55 -47.46 -0.41 -1.54 16 14 C 0.10 0.17 3.30 -27.89 -0.09 0.08 16 15 C -0.18 0.08 8.33 37.16 0.31 0.39 16 16 C 0.46 1.59 7.33 36.00 0.26 1.85 16 17 O -0.48 -3.34 16.25 -25.48 -0.41 -3.76 16 18 O -0.35 -0.54 9.67 -39.27 -0.38 -0.92 16 19 C 0.07 0.03 4.84 37.16 0.18 0.21 16 20 C -0.09 0.10 2.44 -90.62 -0.22 -0.12 16 21 H 0.09 -0.08 8.14 -51.93 -0.42 -0.50 16 22 C -0.11 0.15 5.10 -26.73 -0.14 0.01 16 23 C -0.15 0.20 5.54 -26.73 -0.15 0.05 16 24 C 0.10 -0.05 3.47 -26.73 -0.09 -0.14 16 25 H 0.06 -0.05 8.14 -51.93 -0.42 -0.47 16 26 O -0.57 -0.49 13.32 -35.23 -0.47 -0.95 16 27 C -0.11 0.05 5.57 -26.73 -0.15 -0.10 16 28 C -0.11 0.17 5.20 -26.73 -0.14 0.03 16 29 H 0.06 -0.14 7.66 -51.93 -0.40 -0.54 16 30 H 0.06 -0.18 7.66 -51.93 -0.40 -0.58 16 31 H 0.11 -0.28 8.14 -51.93 -0.42 -0.70 16 32 H 0.15 -0.21 6.30 -52.49 -0.33 -0.54 16 33 H 0.12 -0.18 7.96 -51.93 -0.41 -0.59 16 34 H 0.38 -2.08 8.70 45.56 0.40 -1.68 16 35 H -0.25 -0.26 7.11 56.52 0.40 0.14 16 36 H -0.25 -0.08 7.11 56.52 0.40 0.32 16 37 H 0.15 -0.35 4.86 -52.49 -0.26 -0.61 16 38 H 0.10 0.00 7.91 -51.93 -0.41 -0.42 16 39 H 0.08 -0.08 5.45 -51.93 -0.28 -0.37 16 40 H 0.07 0.03 8.14 -51.93 -0.42 -0.39 16 41 H 0.08 -0.16 8.12 -51.93 -0.42 -0.58 16 42 H 0.07 0.05 8.13 -51.93 -0.42 -0.38 16 43 H 0.07 0.04 8.13 -51.93 -0.42 -0.38 16 44 H 0.07 -0.08 7.82 -51.93 -0.41 -0.49 16 45 H 0.06 -0.09 8.14 -51.93 -0.42 -0.51 16 46 H 0.07 -0.14 8.14 -51.93 -0.42 -0.56 16 47 H 0.07 -0.04 8.14 -51.93 -0.42 -0.47 16 48 H 0.38 -1.13 9.08 45.56 0.41 -0.72 16 49 H 0.07 0.00 8.14 -51.93 -0.42 -0.43 16 50 H 0.07 0.01 8.14 -51.93 -0.42 -0.42 16 51 H 0.07 -0.12 8.14 -51.93 -0.42 -0.55 16 52 H 0.07 -0.15 8.14 -51.93 -0.42 -0.57 16 LS Contribution 431.77 15.07 6.51 6.51 Total: 0.00 -9.41 431.77 -10.61 -20.02 By element: Atomic # 1 Polarization: -5.76 SS G_CDS: -7.20 Total: -12.96 kcal Atomic # 6 Polarization: 3.15 SS G_CDS: -1.09 Total: 2.06 kcal Atomic # 8 Polarization: -5.31 SS G_CDS: -2.47 Total: -7.78 kcal Atomic # 14 Polarization: -1.48 SS G_CDS: -5.06 Total: -6.54 kcal Atomic # 17 Polarization: -0.02 SS G_CDS: -1.29 Total: -1.31 kcal Total LS contribution 6.51 Total: 6.51 kcal Total: -9.41 -10.61 -20.02 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. s_1458_13428716_16737258.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 -200.864 kcal (2) G-P(sol) polarization free energy of solvation -9.415 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -210.279 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.609 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -20.024 kcal (6) G-S(sol) free energy of system = (1) + (5) -220.888 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.37 seconds