Wall clock time and date at job start Tue Mar 31 2020 21:05:05 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 N 2 2 C 1.31629 * 1 3 3 Si 1.86798 * 119.99753 * 2 1 4 4 H 1.48498 * 109.47252 * 179.72472 * 3 2 1 5 5 H 1.48505 * 109.47050 * 299.72490 * 3 2 1 6 6 H 1.48502 * 109.47350 * 59.72146 * 3 2 1 7 7 C 1.38810 * 120.00226 * 179.72232 * 2 1 3 8 8 H 1.07994 * 120.00166 * 147.23130 * 7 2 1 9 9 N 1.36940 * 119.99679 * 327.22976 * 7 2 1 10 10 C 1.47288 * 135.89025 * 22.81118 * 9 7 2 11 11 C 1.52341 * 87.64409 * 206.03278 * 10 9 7 12 12 C 1.52628 * 122.03275 * 210.04350 * 11 10 9 13 13 C 1.54007 * 86.67290 * 207.82474 * 12 11 10 14 14 C 1.52625 * 122.03523 * 99.44073 * 11 10 9 15 15 C 1.47294 * 135.88655 * 202.43097 * 9 7 2 16 16 H 1.09009 * 113.52119 * 268.65495 * 15 9 7 17 17 C 1.52994 * 113.52523 * 39.27158 * 15 9 7 18 18 C 1.53039 * 109.45844 * 304.67365 * 17 15 9 19 19 C 1.53195 * 109.31033 * 178.61448 * 18 17 15 20 20 N 1.46921 * 108.78011 * 54.63497 * 19 18 17 21 21 C 1.34770 * 120.63619 * 126.41229 * 20 19 18 22 22 O 1.21276 * 120.00232 * 179.97438 * 21 20 19 23 23 C 1.50708 * 119.99787 * 359.97438 * 21 20 19 24 24 C 1.52997 * 109.46965 * 179.97438 * 23 21 20 25 25 C 1.53002 * 109.46939 * 179.97438 * 24 23 21 26 26 F 1.39898 * 109.47264 * 180.02562 * 25 24 23 27 27 C 1.46923 * 118.73453 * 306.39261 * 20 19 18 28 28 C 1.53034 * 109.46164 * 184.60451 * 17 15 9 29 29 H 0.96996 * 119.99808 * 174.00288 * 1 2 3 30 30 H 1.09002 * 113.52595 * 320.72349 * 10 9 7 31 31 H 1.09004 * 113.53025 * 91.26914 * 10 9 7 32 32 H 1.08999 * 113.67943 * 322.26725 * 12 11 10 33 33 H 1.08996 * 113.68343 * 93.38044 * 12 11 10 34 34 H 1.09005 * 113.57126 * 269.87879 * 13 12 11 35 35 H 1.09004 * 113.56754 * 139.12448 * 13 12 11 36 36 H 1.09000 * 113.67763 * 266.61861 * 14 11 10 37 37 H 1.09005 * 113.67940 * 37.63376 * 14 11 10 38 38 H 1.09000 * 109.45505 * 64.62965 * 17 15 9 39 39 H 1.09001 * 109.50182 * 298.56015 * 18 17 15 40 40 H 1.08996 * 109.50251 * 58.66191 * 18 17 15 41 41 H 1.09006 * 109.58588 * 294.84072 * 19 18 17 42 42 H 1.09005 * 109.58697 * 174.42386 * 19 18 17 43 43 H 1.09001 * 109.47074 * 299.99954 * 23 21 20 44 44 H 1.09000 * 109.46790 * 59.99981 * 23 21 20 45 45 H 1.09001 * 109.47202 * 299.99894 * 24 23 21 46 46 H 1.09000 * 109.47367 * 60.00353 * 24 23 21 47 47 H 1.09001 * 109.47109 * 299.99978 * 25 24 23 48 48 H 1.09000 * 109.46781 * 60.00021 * 25 24 23 49 49 H 1.09001 * 109.58768 * 293.81475 * 27 20 19 50 50 H 1.09005 * 109.58976 * 173.39693 * 27 20 19 51 51 H 1.09004 * 109.49937 * 301.33859 * 28 17 15 52 52 H 1.09002 * 109.50310 * 61.43476 * 28 17 15 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3163 0.0000 0.0000 3 14 2.2502 1.6178 0.0000 4 1 3.7102 1.3465 0.0067 5 1 1.8965 2.3935 -1.2159 6 1 1.8864 2.3994 1.2091 7 6 2.0104 -1.2021 0.0058 8 1 2.9614 -1.2790 -0.5000 9 7 1.4891 -2.2905 0.6530 10 6 0.1470 -2.7289 1.0724 11 6 0.8239 -3.5428 2.1680 12 6 0.2228 -4.8405 2.7011 13 6 0.9461 -4.5269 4.0240 14 6 0.9149 -3.0446 3.6077 15 6 2.0254 -3.5364 1.2273 16 1 2.0331 -4.3707 0.5258 17 6 3.3641 -3.3515 1.9446 18 6 4.3711 -2.7100 0.9873 19 6 5.6996 -2.4948 1.7192 20 7 6.1394 -3.7761 2.2878 21 6 7.3697 -4.2586 2.0234 22 8 7.7210 -5.3174 2.4992 23 6 8.3089 -3.4825 1.1364 24 6 9.6284 -4.2447 1.0001 25 6 10.5817 -3.4571 0.0991 26 9 11.7881 -4.1543 -0.0260 27 6 5.2126 -4.5213 3.1505 28 6 3.8895 -4.7139 2.4026 29 1 -0.4850 -0.8354 -0.0878 30 1 -0.4757 -1.9196 1.4536 31 1 -0.3638 -3.3396 0.3279 32 1 -0.8641 -4.8191 2.7807 33 1 0.5950 -5.7338 2.1997 34 1 1.9522 -4.9428 4.0799 35 1 0.3485 -4.7436 4.9095 36 1 1.8380 -2.5085 3.8279 37 1 0.0249 -2.5125 3.9439 38 1 3.2252 -2.7056 2.8116 39 1 4.5293 -3.3668 0.1319 40 1 3.9857 -1.7503 0.6432 41 1 5.5622 -1.7677 2.5196 42 1 6.4490 -2.1304 1.0165 43 1 7.8582 -3.3567 0.1519 44 1 8.4989 -2.5037 1.5768 45 1 10.0789 -4.3701 1.9847 46 1 9.4388 -5.2237 0.5599 47 1 10.1309 -3.3320 -0.8855 48 1 10.7714 -2.4779 0.5389 49 1 5.0355 -3.9596 4.0677 50 1 5.6406 -5.4942 3.3924 51 1 3.1612 -5.1805 3.0660 52 1 4.0522 -5.3519 1.5340 RHF calculation, no. of doubly occupied orbitals= 65 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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 ZINC001105393821.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 21:05:05 Heat of formation + Delta-G solvation = -15.143970 kcal Electronic energy + Delta-G solvation = -31172.332335 eV Core-core repulsion = 27088.397653 eV Total energy + Delta-G solvation = -4083.934682 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 338.211 amu Computer time = 1.13 seconds Orbital eigenvalues (eV) -47.82473 -40.62548 -39.82431 -37.14325 -35.28701 -34.30015 -32.93081 -31.89439 -30.95195 -27.87390 -27.16578 -26.12771 -25.38001 -23.38707 -23.11959 -22.87895 -21.98504 -20.54484 -20.21948 -18.81569 -17.53884 -17.39201 -17.11519 -16.75734 -16.24459 -15.53823 -15.47443 -15.33568 -14.92296 -14.90281 -14.28406 -14.16640 -13.90289 -13.70241 -13.57431 -13.25748 -13.08559 -12.94500 -12.61484 -12.31943 -12.03547 -11.92109 -11.89804 -11.73435 -11.57386 -11.29598 -11.23918 -11.03356 -10.92201 -10.90833 -10.74740 -10.43178 -10.22384 -10.13704 -10.04763 -9.86207 -9.74025 -9.63981 -9.39707 -9.13515 -8.52265 -8.32713 -7.00262 -6.23328 -3.18230 2.59519 2.98451 3.43617 3.47065 3.58001 4.20450 4.42576 4.47269 4.48968 4.74316 4.82282 4.83184 4.86663 4.95712 5.00179 5.05755 5.15006 5.16825 5.24333 5.25899 5.30220 5.33429 5.40380 5.43730 5.55725 5.63334 5.66779 5.69948 5.79927 5.92672 5.93704 5.96841 6.07239 6.10511 6.15390 6.17854 6.22125 6.29104 6.32985 6.40984 6.50067 6.54509 6.72895 6.80332 6.87791 6.91603 7.00765 7.14925 7.42759 7.54860 8.14975 8.29072 8.75670 9.68575 10.58109 11.08569 Molecular weight = 338.21amu Principal moments of inertia in cm(-1) A = 0.010752 B = 0.003512 C = 0.002783 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2603.552562 B = 7971.420804 C =10057.813567 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.902 5.902 2 C -0.003 4.003 3 Si 1.047 2.953 4 H -0.290 1.290 5 H -0.296 1.296 6 H -0.289 1.289 7 C -0.336 4.336 8 H 0.078 0.922 9 N -0.602 5.602 10 C 0.122 3.878 11 C -0.115 4.115 12 C -0.129 4.129 13 C -0.144 4.144 14 C -0.104 4.104 15 C 0.182 3.818 16 H 0.039 0.961 17 C -0.080 4.080 18 C -0.144 4.144 19 C 0.105 3.895 20 N -0.607 5.607 21 C 0.514 3.486 22 O -0.552 6.552 23 C -0.140 4.140 24 C -0.137 4.137 25 C 0.061 3.939 26 F -0.219 7.219 27 C 0.114 3.886 28 C -0.134 4.134 29 H 0.272 0.728 30 H 0.056 0.944 31 H 0.022 0.978 32 H 0.076 0.924 33 H 0.060 0.940 34 H 0.081 0.919 35 H 0.058 0.942 36 H 0.069 0.931 37 H 0.075 0.925 38 H 0.076 0.924 39 H 0.052 0.948 40 H 0.122 0.878 41 H 0.070 0.930 42 H 0.079 0.921 43 H 0.098 0.902 44 H 0.096 0.904 45 H 0.081 0.919 46 H 0.081 0.919 47 H 0.075 0.925 48 H 0.075 0.925 49 H 0.064 0.936 50 H 0.086 0.914 51 H 0.078 0.922 52 H 0.060 0.940 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 11.221 -6.595 5.213 14.021 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 N -0.540 5.540 2 C -0.206 4.206 3 Si 0.876 3.124 4 H -0.216 1.216 5 H -0.223 1.223 6 H -0.215 1.215 7 C -0.462 4.462 8 H 0.095 0.905 9 N -0.329 5.329 10 C -0.003 4.003 11 C -0.116 4.116 12 C -0.167 4.167 13 C -0.181 4.181 14 C -0.142 4.142 15 C 0.074 3.926 16 H 0.056 0.944 17 C -0.099 4.099 18 C -0.182 4.182 19 C -0.018 4.018 20 N -0.340 5.340 21 C 0.302 3.698 22 O -0.430 6.430 23 C -0.180 4.180 24 C -0.175 4.175 25 C 0.006 3.994 26 F -0.201 7.201 27 C -0.009 4.009 28 C -0.172 4.172 29 H 0.083 0.917 30 H 0.074 0.926 31 H 0.040 0.960 32 H 0.094 0.906 33 H 0.079 0.921 34 H 0.099 0.901 35 H 0.077 0.923 36 H 0.087 0.913 37 H 0.094 0.906 38 H 0.094 0.906 39 H 0.071 0.929 40 H 0.139 0.861 41 H 0.088 0.912 42 H 0.098 0.902 43 H 0.116 0.884 44 H 0.115 0.885 45 H 0.099 0.901 46 H 0.100 0.900 47 H 0.094 0.906 48 H 0.093 0.907 49 H 0.082 0.918 50 H 0.104 0.896 51 H 0.096 0.904 52 H 0.079 0.921 Dipole moment (debyes) X Y Z Total from point charges 11.353 -5.269 5.378 13.623 hybrid contribution -0.040 -1.619 -0.393 1.666 sum 11.313 -6.888 4.985 14.152 Atomic orbital electron populations 1.70692 1.07329 1.30676 1.45335 1.25837 0.96273 1.00308 0.98231 0.83853 0.75065 0.76651 0.76855 1.21576 1.22309 1.21517 1.19499 1.05691 0.87187 1.33806 0.90462 1.45778 1.01618 1.17862 1.67607 1.22331 0.90786 0.94769 0.92443 1.22802 0.99142 0.95341 0.94332 1.22667 0.99590 0.97692 0.96793 1.23007 1.00532 0.97562 0.96977 1.22445 1.01872 0.95318 0.94520 1.21655 0.90224 0.89872 0.90803 0.94381 1.21281 0.95151 0.94822 0.98694 1.22384 0.92911 1.05274 0.97590 1.21959 0.97830 0.84071 0.97891 1.48233 1.13797 1.22712 1.49236 1.20520 0.82126 0.85822 0.81292 1.90673 1.75843 1.23268 1.53247 1.21582 0.95099 1.00223 1.01074 1.21903 0.94022 1.00033 1.01568 1.22019 0.81080 0.94973 1.01338 1.92766 1.48088 1.81760 1.97442 1.21588 0.89465 0.97278 0.92534 1.22134 0.95864 0.98700 1.00521 0.91657 0.92573 0.96036 0.90579 0.92088 0.90093 0.92324 0.91270 0.90635 0.90576 0.92933 0.86073 0.91210 0.90233 0.88391 0.88537 0.90065 0.90041 0.90623 0.90674 0.91753 0.89550 0.90391 0.92140 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 N -0.90 -25.99 13.15 55.49 0.73 -25.26 16 2 C 0.00 -0.07 5.43 -17.43 -0.09 -0.16 16 3 Si 1.05 23.45 30.03 -169.99 -5.10 18.34 16 4 H -0.29 -5.94 7.11 56.52 0.40 -5.53 16 5 H -0.30 -6.70 7.11 56.52 0.40 -6.30 16 6 H -0.29 -6.55 7.11 56.52 0.40 -6.15 16 7 C -0.34 -8.51 8.58 -15.06 -0.13 -8.64 16 8 H 0.08 1.91 6.15 -52.49 -0.32 1.59 16 9 N -0.60 -13.88 3.62 -176.58 -0.64 -14.52 16 10 C 0.12 2.65 6.73 -7.61 -0.05 2.60 16 11 C -0.11 -1.99 1.23 -155.47 -0.19 -2.18 16 12 C -0.13 -1.83 7.90 -26.40 -0.21 -2.04 16 13 C -0.14 -1.84 7.91 -25.70 -0.20 -2.04 16 14 C -0.10 -1.64 7.43 -26.40 -0.20 -1.83 16 15 C 0.18 3.36 3.41 -71.37 -0.24 3.12 16 16 H 0.04 0.75 8.13 -51.92 -0.42 0.33 16 17 C -0.08 -1.25 1.93 -90.59 -0.17 -1.43 16 18 C -0.14 -2.25 4.94 -26.61 -0.13 -2.38 16 19 C 0.10 1.29 6.34 -3.71 -0.02 1.27 16 20 N -0.61 -7.79 2.97 -172.76 -0.51 -8.30 16 21 C 0.51 6.74 7.70 -10.98 -0.08 6.66 16 22 O -0.55 -9.05 15.39 5.56 0.09 -8.96 16 23 C -0.14 -1.28 4.05 -27.88 -0.11 -1.40 16 24 C -0.14 -1.29 4.96 -26.73 -0.13 -1.42 16 25 C 0.06 0.47 7.55 37.16 0.28 0.75 16 26 F -0.22 -2.39 17.36 2.25 0.04 -2.35 16 27 C 0.11 1.46 6.43 -3.71 -0.02 1.43 16 28 C -0.13 -1.78 5.35 -26.61 -0.14 -1.93 16 29 H 0.27 7.85 6.03 -40.82 -0.25 7.60 16 30 H 0.06 1.35 6.87 -51.93 -0.36 1.00 16 31 H 0.02 0.48 8.14 -51.93 -0.42 0.06 16 32 H 0.08 1.04 8.14 -51.93 -0.42 0.62 16 33 H 0.06 0.82 8.14 -51.93 -0.42 0.40 16 34 H 0.08 0.97 5.25 -51.93 -0.27 0.70 16 35 H 0.06 0.67 8.14 -51.93 -0.42 0.25 16 36 H 0.07 1.12 6.07 -51.93 -0.32 0.81 16 37 H 0.08 1.21 8.14 -51.93 -0.42 0.79 16 38 H 0.08 1.27 5.78 -51.93 -0.30 0.97 16 39 H 0.05 0.85 8.14 -51.93 -0.42 0.43 16 40 H 0.12 2.27 4.32 -51.93 -0.22 2.05 16 41 H 0.07 0.85 8.14 -51.93 -0.42 0.42 16 42 H 0.08 0.80 5.93 -51.93 -0.31 0.49 16 43 H 0.10 0.79 7.69 -51.93 -0.40 0.39 16 44 H 0.10 0.70 7.94 -51.93 -0.41 0.29 16 45 H 0.08 0.84 8.10 -51.93 -0.42 0.42 16 46 H 0.08 0.88 8.10 -51.93 -0.42 0.46 16 47 H 0.08 0.48 8.14 -51.93 -0.42 0.06 16 48 H 0.07 0.45 8.14 -51.93 -0.42 0.03 16 49 H 0.06 0.77 8.14 -51.93 -0.42 0.35 16 50 H 0.09 1.17 7.01 -51.93 -0.36 0.80 16 51 H 0.08 0.96 5.00 -51.93 -0.26 0.70 16 52 H 0.06 0.86 8.14 -51.93 -0.42 0.44 16 LS Contribution 389.66 15.07 5.87 5.87 Total: -1.00 -30.47 389.66 -9.88 -40.36 By element: Atomic # 1 Polarization: 12.93 SS G_CDS: -8.49 Total: 4.44 kcal Atomic # 6 Polarization: -7.76 SS G_CDS: -1.86 Total: -9.62 kcal Atomic # 7 Polarization: -47.65 SS G_CDS: -0.42 Total: -48.08 kcal Atomic # 8 Polarization: -9.05 SS G_CDS: 0.09 Total: -8.96 kcal Atomic # 9 Polarization: -2.39 SS G_CDS: 0.04 Total: -2.35 kcal Atomic # 14 Polarization: 23.45 SS G_CDS: -5.10 Total: 18.34 kcal Total LS contribution 5.87 Total: 5.87 kcal Total: -30.47 -9.88 -40.36 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. ZINC001105393821.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 25.214 kcal (2) G-P(sol) polarization free energy of solvation -30.474 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -5.260 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.884 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.358 kcal (6) G-S(sol) free energy of system = (1) + (5) -15.144 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.13 seconds