Wall clock time and date at job start Mon Mar 8 2021 05:18:39 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 * 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 N 1.46502 * 1 3 3 C 1.34781 * 120.00426 * 2 1 4 4 O 1.21508 * 120.00358 * 179.97438 * 3 2 1 5 5 O 1.34641 * 119.99221 * 0.02562 * 3 2 1 6 6 C 1.45206 * 116.99503 * 179.97438 * 5 3 2 7 7 C 1.53002 * 109.47258 * 60.00121 * 6 5 3 8 8 C 1.53000 * 109.47135 * 179.97438 * 6 5 3 9 9 C 1.52994 * 109.47114 * 299.99982 * 6 5 3 10 10 C 1.46498 * 120.00189 * 179.97438 * 2 1 3 11 11 H 1.09000 * 109.47424 * 114.16962 * 10 2 1 12 12 C 1.53000 * 109.47540 * 234.17255 * 10 2 1 13 13 C 1.53006 * 109.46838 * 59.99740 * 12 10 2 14 14 C 1.52998 * 109.47033 * 60.00290 * 13 12 10 15 15 H 1.08999 * 109.47412 * 59.99557 * 14 13 12 16 16 N 1.46504 * 109.47179 * 179.97438 * 14 13 12 17 17 C 1.38607 * 120.00041 * 205.00049 * 16 14 13 18 18 N 1.29695 * 124.94810 * 359.69400 * 17 16 14 19 19 C 1.32123 * 116.86069 * 179.81473 * 18 17 16 20 20 C 1.33325 * 114.58278 * 0.47387 * 19 18 17 21 21 C 1.50693 * 125.95122 * 179.75276 * 20 19 18 22 22 O 1.42906 * 109.47155 * 299.97453 * 21 20 19 23 23 Si 1.86299 * 109.47156 * 179.97438 * 21 20 19 24 24 S 1.70963 * 124.94900 * 179.97438 * 17 16 14 25 25 C 1.53006 * 109.47203 * 300.00044 * 14 13 12 26 26 C 1.52998 * 109.47346 * 59.99875 * 25 14 13 27 27 H 1.08999 * 109.46833 * 275.92557 * 1 2 3 28 28 H 1.08995 * 109.46793 * 155.91711 * 1 2 3 29 29 H 1.08998 * 109.46691 * 35.92026 * 1 2 3 30 30 H 1.08997 * 109.47069 * 59.99493 * 7 6 5 31 31 H 1.09002 * 109.47352 * 180.02562 * 7 6 5 32 32 H 1.09002 * 109.46718 * 299.99880 * 7 6 5 33 33 H 1.09002 * 109.46979 * 60.00025 * 8 6 5 34 34 H 1.09002 * 109.47033 * 180.02562 * 8 6 5 35 35 H 1.08997 * 109.47155 * 300.00485 * 8 6 5 36 36 H 1.09002 * 109.47313 * 59.99844 * 9 6 5 37 37 H 1.09002 * 109.47121 * 179.97438 * 9 6 5 38 38 H 1.09004 * 109.47366 * 299.99660 * 9 6 5 39 39 H 1.08999 * 109.46994 * 179.97438 * 12 10 2 40 40 H 1.08997 * 109.47091 * 300.00218 * 12 10 2 41 41 H 1.08996 * 109.46808 * 180.02562 * 13 12 10 42 42 H 1.08998 * 109.47257 * 300.00367 * 13 12 10 43 43 H 0.96999 * 119.99381 * 24.99655 * 16 14 13 44 44 H 1.07999 * 122.70251 * 180.22250 * 19 18 17 45 45 H 1.08997 * 109.47487 * 59.97539 * 21 20 19 46 46 H 0.96695 * 113.99706 * 180.02562 * 22 21 20 47 47 H 1.48492 * 110.00250 * 298.68525 * 23 21 20 48 48 H 1.48503 * 109.99924 * 60.00030 * 23 21 20 49 49 H 1.08998 * 109.47309 * 180.02562 * 25 14 13 50 50 H 1.08999 * 109.46539 * 300.00048 * 25 14 13 51 51 H 1.08996 * 109.46993 * 180.02562 * 26 25 14 52 52 H 1.08998 * 109.47033 * 60.00016 * 26 25 14 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 7 1.4650 0.0000 0.0000 3 6 2.1390 1.1672 0.0000 4 8 3.3541 1.1672 0.0005 5 8 1.4657 2.3332 0.0005 6 6 2.2566 3.5509 0.0011 7 6 3.1393 3.5864 -1.2482 8 6 1.3246 4.7643 0.0010 9 6 3.1392 3.5853 1.2503 10 6 2.1975 -1.2687 0.0006 11 1 2.7436 -1.3734 -0.9369 12 6 3.1838 -1.2877 1.1701 13 6 2.4172 -1.1408 2.4861 14 6 1.4295 -2.2999 2.6330 15 1 1.9744 -3.2439 2.6334 16 7 0.6959 -2.1596 3.8934 17 6 0.1521 -3.2772 4.5069 18 7 0.2297 -4.4880 4.0486 19 6 -0.3447 -5.4363 4.7672 20 6 -0.9427 -5.0051 5.8780 21 6 -1.6769 -5.8616 6.8771 22 8 -2.7658 -6.5222 6.2290 23 14 -2.3313 -4.7888 8.2525 24 16 -0.7244 -3.2596 5.9747 25 6 0.4432 -2.2810 1.4634 26 6 1.2097 -2.4279 0.1475 27 1 -0.3633 0.1061 1.0222 28 1 -0.3633 -0.9382 -0.4193 29 1 -0.3632 0.8322 -0.6029 30 1 2.5105 3.5619 -2.1381 31 1 3.7333 4.5004 -1.2476 32 1 3.8032 2.7220 -1.2485 33 1 0.6955 4.7393 0.8907 34 1 1.9183 5.6785 0.0009 35 1 0.6961 4.7396 -0.8892 36 1 3.8032 2.7208 1.2499 37 1 3.7333 4.4992 1.2505 38 1 2.5104 3.5601 2.1403 39 1 3.7285 -2.2319 1.1707 40 1 3.8875 -0.4619 1.0654 41 1 3.1199 -1.1539 3.3192 42 1 1.8722 -0.1969 2.4857 43 1 0.5908 -1.2845 4.2984 44 1 -0.3343 -6.4762 4.4759 45 1 -0.9946 -6.6048 7.2894 46 1 -3.2842 -7.0918 6.8136 47 1 -1.2064 -4.1209 8.9548 48 1 -3.2631 -3.7711 7.7034 49 1 -0.2608 -3.1065 1.5683 50 1 -0.1017 -1.3370 1.4630 51 1 0.5071 -2.4139 -0.6857 52 1 1.7547 -3.3718 0.1479 There are 67 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 67 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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_27_14055834_15704118.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Mon Mar 8 2021 05:18:39 Heat of formation + Delta-G solvation = -37.629257 kcal Electronic energy + Delta-G solvation = -33163.384996 eV Core-core repulsion = 28871.490976 eV Total energy + Delta-G solvation = -4291.894020 eV No. of doubly occupied orbitals = 67 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 370.176 amu Computer time = 1.05 seconds Orbital eigenvalues (eV) -42.14179 -40.89242 -40.22105 -38.16641 -37.64573 -36.65693 -35.31006 -34.15126 -32.22702 -31.68116 -30.18863 -28.33771 -28.28886 -27.60110 -26.49892 -24.82816 -23.92090 -23.80787 -22.61435 -21.05271 -20.54385 -20.13037 -19.49117 -18.58093 -18.43286 -17.62293 -17.51971 -17.36934 -17.04928 -16.37730 -16.10745 -15.81157 -15.66974 -15.48006 -15.39126 -15.14227 -15.03537 -14.65593 -14.47636 -14.38530 -14.25194 -13.94322 -13.62513 -13.42852 -13.40252 -13.18805 -13.07339 -12.97064 -12.81509 -12.81404 -12.77564 -12.42025 -12.40707 -12.23199 -12.12901 -12.07585 -11.92864 -11.80758 -11.35540 -11.24398 -11.05722 -10.64585 -10.54598 -10.30317 -10.11679 -9.69950 -8.70780 -5.20957 -0.01157 0.12412 0.68701 1.17365 1.23988 1.58452 1.91077 1.93795 2.06247 2.12474 2.83021 3.45058 3.53973 3.60987 3.63331 3.78156 3.82947 3.88839 3.90426 3.97378 4.00887 4.06043 4.14184 4.25679 4.33911 4.37909 4.42636 4.48258 4.51986 4.55276 4.61129 4.62382 4.69335 4.75063 4.77413 4.80020 4.86317 4.92879 4.93851 5.02299 5.03560 5.05479 5.07764 5.12029 5.23682 5.30141 5.35703 5.39088 5.51901 5.60300 5.87941 6.06033 6.40259 6.59197 7.02704 7.42046 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.075 3.925 2 N -0.592 5.592 3 C 0.652 3.348 4 O -0.563 6.563 5 O -0.363 6.363 6 C 0.136 3.864 7 C -0.183 4.183 8 C -0.142 4.142 9 C -0.183 4.183 10 C 0.166 3.834 11 H 0.081 0.919 12 C -0.138 4.138 13 C -0.121 4.121 14 C 0.162 3.838 15 H 0.091 0.909 16 N -0.689 5.689 17 C 0.334 3.666 18 N -0.546 5.546 19 C 0.124 3.876 20 C -0.263 4.263 21 C -0.016 4.016 22 O -0.545 6.545 23 Si 0.667 3.333 24 S 0.064 5.936 25 C -0.152 4.152 26 C -0.123 4.123 27 H 0.060 0.940 28 H 0.084 0.916 29 H 0.072 0.928 30 H 0.059 0.941 31 H 0.071 0.929 32 H 0.087 0.913 33 H 0.066 0.934 34 H 0.081 0.919 35 H 0.066 0.934 36 H 0.087 0.913 37 H 0.071 0.929 38 H 0.058 0.942 39 H 0.077 0.923 40 H 0.102 0.898 41 H 0.069 0.931 42 H 0.064 0.936 43 H 0.412 0.588 44 H 0.178 0.822 45 H 0.081 0.919 46 H 0.383 0.617 47 H -0.243 1.243 48 H -0.239 1.239 49 H 0.073 0.927 50 H 0.083 0.917 51 H 0.077 0.923 52 H 0.088 0.912 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -2.541 -0.469 2.108 3.335 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 -0.068 4.068 2 N -0.334 5.334 3 C 0.407 3.593 4 O -0.452 6.452 5 O -0.278 6.278 6 C 0.100 3.900 7 C -0.241 4.241 8 C -0.199 4.199 9 C -0.240 4.240 10 C 0.064 3.936 11 H 0.099 0.901 12 C -0.177 4.177 13 C -0.160 4.160 14 C 0.056 3.944 15 H 0.109 0.891 16 N -0.327 5.327 17 C -0.037 4.037 18 N -0.271 5.271 19 C -0.027 4.027 20 C -0.385 4.385 21 C -0.130 4.130 22 O -0.352 6.352 23 Si 0.567 3.433 24 S 0.312 5.688 25 C -0.190 4.190 26 C -0.161 4.161 27 H 0.079 0.921 28 H 0.103 0.897 29 H 0.091 0.909 30 H 0.078 0.922 31 H 0.090 0.910 32 H 0.106 0.894 33 H 0.085 0.915 34 H 0.100 0.900 35 H 0.086 0.914 36 H 0.106 0.894 37 H 0.090 0.910 38 H 0.077 0.923 39 H 0.096 0.904 40 H 0.120 0.880 41 H 0.088 0.912 42 H 0.082 0.918 43 H 0.249 0.751 44 H 0.195 0.805 45 H 0.099 0.901 46 H 0.231 0.769 47 H -0.167 1.167 48 H -0.163 1.163 49 H 0.091 0.909 50 H 0.102 0.898 51 H 0.096 0.904 52 H 0.106 0.894 Dipole moment (debyes) X Y Z Total from point charges -1.914 1.425 1.967 3.093 hybrid contribution 0.234 -0.578 -0.470 0.781 sum -1.680 0.847 1.497 2.404 Atomic orbital electron populations 1.22067 0.79091 1.03748 1.01863 1.46752 1.06977 1.03174 1.76447 1.17993 0.83963 0.81068 0.76232 1.90849 1.12211 1.86648 1.55492 1.86321 1.41122 1.13836 1.86491 1.22087 0.90853 0.80513 0.96572 1.22515 1.00612 1.04608 0.96318 1.21871 0.99618 0.95009 1.03373 1.22508 1.00581 1.04614 0.96284 1.21069 0.92500 0.80621 0.99377 0.90132 1.22036 0.98499 1.04655 0.92481 1.21728 0.97880 0.97732 0.98625 1.21075 0.91679 1.00104 0.81542 0.89109 1.44218 1.58589 1.05032 1.24870 1.23806 0.95797 0.90824 0.93251 1.66481 1.28664 0.97720 1.34255 1.21342 0.92785 0.99314 0.89213 1.24253 1.15087 0.93934 1.05214 1.23663 0.90896 0.99290 0.99135 1.86512 1.43711 1.64971 1.39997 0.95189 0.84184 0.82348 0.81623 1.84107 1.54441 1.07076 1.23182 1.22471 0.98847 1.04145 0.93579 1.21843 0.98458 0.97861 0.97962 0.92133 0.89738 0.90949 0.92207 0.91041 0.89383 0.91503 0.90003 0.91449 0.89392 0.91040 0.92309 0.90444 0.87988 0.91200 0.91756 0.75132 0.80529 0.90095 0.76928 1.16664 1.16303 0.90876 0.89848 0.90434 0.89386 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 0.07 -0.10 8.30 59.85 0.50 0.40 16 2 N -0.59 -0.24 2.28 -179.73 -0.41 -0.65 16 3 C 0.65 1.72 7.24 54.06 0.39 2.12 16 4 O -0.56 -2.45 9.58 -19.28 -0.18 -2.63 16 5 O -0.36 -0.85 8.82 -40.33 -0.36 -1.21 16 6 C 0.14 0.17 1.13 -90.62 -0.10 0.06 16 7 C -0.18 -0.25 8.37 37.16 0.31 0.06 16 8 C -0.14 0.09 8.85 37.16 0.33 0.42 16 9 C -0.18 -0.21 8.37 37.15 0.31 0.10 16 10 C 0.17 -0.06 3.05 -67.93 -0.21 -0.27 16 11 H 0.08 0.01 8.14 -51.93 -0.42 -0.41 16 12 C -0.14 -0.01 5.14 -26.73 -0.14 -0.15 16 13 C -0.12 0.04 5.23 -26.73 -0.14 -0.10 16 14 C 0.16 -0.01 2.58 -67.93 -0.18 -0.18 16 15 H 0.09 0.14 7.77 -51.93 -0.40 -0.26 16 16 N -0.69 -0.37 5.23 -55.78 -0.29 -0.66 16 17 C 0.33 0.93 8.06 -87.68 -0.71 0.23 16 18 N -0.55 -2.19 9.91 -15.21 -0.15 -2.34 16 19 C 0.12 0.42 11.22 -19.14 -0.21 0.20 16 20 C -0.26 -0.77 5.78 -36.03 -0.21 -0.98 16 21 C -0.02 0.00 2.98 36.00 0.11 0.10 16 22 O -0.55 -0.15 12.85 -35.23 -0.45 -0.60 16 23 Si 0.67 -0.34 31.05 -169.99 -5.28 -5.62 16 24 S 0.06 0.18 20.57 -107.50 -2.21 -2.04 16 25 C -0.15 0.11 4.96 -26.73 -0.13 -0.03 16 26 C -0.12 0.20 4.91 -26.73 -0.13 0.07 16 27 H 0.06 -0.10 6.49 -51.93 -0.34 -0.43 16 28 H 0.08 -0.21 5.26 -51.93 -0.27 -0.49 16 29 H 0.07 -0.07 7.57 -51.93 -0.39 -0.47 16 30 H 0.06 0.07 8.14 -51.93 -0.42 -0.35 16 31 H 0.07 0.01 8.14 -51.93 -0.42 -0.42 16 32 H 0.09 0.30 5.88 -51.93 -0.31 -0.01 16 33 H 0.07 -0.05 8.14 -51.93 -0.42 -0.47 16 34 H 0.08 -0.15 8.14 -51.93 -0.42 -0.57 16 35 H 0.07 -0.04 8.14 -51.93 -0.42 -0.47 16 36 H 0.09 0.27 5.88 -51.93 -0.31 -0.04 16 37 H 0.07 0.00 8.14 -51.93 -0.42 -0.42 16 38 H 0.06 0.05 8.14 -51.93 -0.42 -0.37 16 39 H 0.08 -0.05 8.14 -51.93 -0.42 -0.47 16 40 H 0.10 0.23 5.76 -51.93 -0.30 -0.07 16 41 H 0.07 0.00 8.14 -51.93 -0.42 -0.42 16 42 H 0.06 0.02 7.46 -51.93 -0.39 -0.36 16 43 H 0.41 -0.43 8.73 -40.82 -0.36 -0.79 16 44 H 0.18 0.29 8.06 -52.49 -0.42 -0.13 16 45 H 0.08 -0.13 7.96 -51.93 -0.41 -0.54 16 46 H 0.38 -1.88 8.74 45.56 0.40 -1.48 16 47 H -0.24 -0.45 7.11 56.52 0.40 -0.05 16 48 H -0.24 -0.65 7.11 56.52 0.40 -0.25 16 49 H 0.07 0.08 8.14 -51.93 -0.42 -0.34 16 50 H 0.08 -0.09 3.95 -51.93 -0.20 -0.29 16 51 H 0.08 -0.18 6.67 -51.93 -0.35 -0.52 16 52 H 0.09 -0.16 8.14 -51.93 -0.42 -0.58 16 LS Contribution 404.54 15.07 6.10 6.10 Total: 0.00 -7.31 404.54 -11.77 -19.08 By element: Atomic # 1 Polarization: -3.17 SS G_CDS: -8.32 Total: -11.49 kcal Atomic # 6 Polarization: 2.27 SS G_CDS: -0.21 Total: 2.06 kcal Atomic # 7 Polarization: -2.79 SS G_CDS: -0.85 Total: -3.65 kcal Atomic # 8 Polarization: -3.45 SS G_CDS: -0.99 Total: -4.44 kcal Atomic # 14 Polarization: -0.34 SS G_CDS: -5.28 Total: -5.62 kcal Atomic # 16 Polarization: 0.18 SS G_CDS: -2.21 Total: -2.04 kcal Total LS contribution 6.10 Total: 6.10 kcal Total: -7.31 -11.77 -19.08 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_27_14055834_15704118.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 -18.553 kcal (2) G-P(sol) polarization free energy of solvation -7.308 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -25.861 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.768 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -19.077 kcal (6) G-S(sol) free energy of system = (1) + (5) -37.629 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.05 seconds