Wall clock time and date at job start Wed Apr 1 2020 00:24:25 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 1.52993 * 1 3 3 H 1.08999 * 109.55482 * 2 1 4 4 C 1.53287 * 109.50906 * 120.11685 * 2 1 3 5 5 N 1.47174 * 108.57561 * 172.95973 * 4 2 1 6 6 C 1.34773 * 121.08201 * 128.75285 * 5 4 2 7 7 O 1.21588 * 120.00013 * 175.00070 * 6 5 4 8 8 N 1.34780 * 120.00046 * 355.00181 * 6 5 4 9 9 C 1.46499 * 119.99872 * 185.07168 * 8 6 5 10 10 C 1.52994 * 109.47221 * 179.97438 * 9 8 6 11 11 C 1.53001 * 109.47346 * 300.00641 * 10 9 8 12 12 C 1.53005 * 109.46926 * 60.00651 * 10 9 8 13 13 C 1.52998 * 109.47647 * 180.02562 * 10 9 8 14 14 C 1.50697 * 109.47555 * 180.02562 * 13 10 9 15 15 H 1.08002 * 119.99883 * 0.02562 * 14 13 10 16 16 C 1.37878 * 120.00166 * 179.97438 * 14 13 10 17 17 N 1.31515 * 119.99861 * 0.02562 * 16 14 13 18 18 Si 1.86800 * 120.00075 * 179.97438 * 16 14 13 19 19 H 1.48500 * 109.47000 * 60.00567 * 18 16 14 20 20 H 1.48498 * 109.46946 * 180.02562 * 18 16 14 21 21 H 1.48500 * 109.47058 * 300.00183 * 18 16 14 22 22 C 1.47345 * 117.83230 * 308.73810 * 5 4 2 23 23 C 1.52293 * 108.41073 * 49.08700 * 22 5 4 24 24 C 1.54452 * 110.47839 * 186.29515 * 23 22 5 25 25 C 1.54527 * 102.16964 * 209.16954 * 24 23 22 26 26 O 1.43309 * 107.61353 * 20.63847 * 25 24 23 27 27 C 1.43816 * 110.01059 * 1.60906 * 26 25 24 28 28 O 1.41812 * 111.59792 * 310.07866 * 23 22 5 29 29 H 1.08989 * 109.47845 * 299.88214 * 1 2 3 30 30 H 1.09005 * 109.47278 * 59.88531 * 1 2 3 31 31 H 1.09005 * 109.47400 * 179.87478 * 1 2 3 32 32 H 1.09000 * 109.61828 * 53.23707 * 4 2 1 33 33 H 1.09001 * 109.62049 * 292.69181 * 4 2 1 34 34 H 0.96992 * 119.99907 * 5.08094 * 8 6 5 35 35 H 1.08995 * 109.47781 * 300.00889 * 9 8 6 36 36 H 1.09009 * 109.46983 * 60.00274 * 9 8 6 37 37 H 1.09000 * 109.47001 * 59.99679 * 11 10 9 38 38 H 1.09008 * 109.46816 * 179.97438 * 11 10 9 39 39 H 1.08996 * 109.47035 * 299.99288 * 11 10 9 40 40 H 1.08993 * 109.47225 * 59.99469 * 12 10 9 41 41 H 1.09003 * 109.47320 * 180.02562 * 12 10 9 42 42 H 1.09004 * 109.46552 * 299.99980 * 12 10 9 43 43 H 1.09006 * 109.47024 * 300.00687 * 13 10 9 44 44 H 1.09004 * 109.46657 * 59.99765 * 13 10 9 45 45 H 0.96993 * 120.00244 * 179.97438 * 17 16 14 46 46 H 1.08999 * 109.68024 * 168.82435 * 22 5 4 47 47 H 1.09001 * 109.67098 * 289.32543 * 22 5 4 48 48 H 1.09003 * 110.86170 * 327.33745 * 24 23 22 49 49 H 1.08995 * 110.86154 * 90.99826 * 24 23 22 50 50 H 1.08998 * 109.82848 * 261.12297 * 25 24 23 51 51 H 1.08998 * 109.89991 * 140.19739 * 25 24 23 52 52 H 1.08997 * 110.32286 * 217.56781 * 27 26 25 53 53 H 1.08998 * 110.31845 * 95.37195 * 27 26 25 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 1 1.8948 1.0271 0.0000 4 6 2.0418 -0.7250 1.2498 5 7 3.5035 -0.8626 1.1463 6 6 4.3119 -0.4742 2.1523 7 8 5.5083 -0.6798 2.0846 8 7 3.7940 0.1420 3.2334 9 6 4.6825 0.6632 4.2750 10 6 3.8469 1.3104 5.3812 11 6 3.0226 2.4574 4.7929 12 6 2.9075 0.2661 5.9879 13 6 4.7748 1.8554 6.4688 14 6 3.9516 2.4923 7.5587 15 1 2.8743 2.5066 7.4833 16 6 4.5737 3.0559 8.6524 17 7 5.8855 3.0381 8.7444 18 14 3.5534 3.8461 10.0030 19 1 2.6416 2.8325 10.5917 20 1 4.4541 4.3749 11.0586 21 1 2.7536 4.9594 9.4320 22 6 4.0541 -1.4392 -0.0928 23 6 3.4210 -0.7239 -1.2789 24 6 3.8448 -1.3952 -2.6038 25 6 3.7963 -0.2132 -3.5979 26 8 3.8761 0.9979 -2.8360 27 6 4.0096 0.6914 -1.4372 28 8 2.0081 -0.6772 -1.1667 29 1 -0.3634 0.5119 0.8909 30 1 -0.3634 0.5156 -0.8890 31 1 -0.3634 -1.0277 -0.0022 32 1 1.5848 -1.7125 1.3130 33 1 1.7907 -0.1451 2.1380 34 1 2.8332 0.2401 3.3217 35 1 5.2701 -0.1537 4.6938 36 1 5.3515 1.4075 3.8429 37 1 2.3616 2.0694 4.0179 38 1 2.4270 2.9181 5.5810 39 1 3.6918 3.2013 4.3608 40 1 3.4947 -0.5509 6.4069 41 1 2.3118 0.7273 6.7757 42 1 2.2465 -0.1217 5.2128 43 1 5.3623 1.0385 6.8880 44 1 5.4438 2.5994 6.0363 45 1 6.3233 3.4349 9.5136 46 1 5.1349 -1.2993 -0.1141 47 1 3.8208 -2.5029 -0.1378 48 1 4.8548 -1.7983 -2.5290 49 1 3.1357 -2.1721 -2.8895 50 1 2.8604 -0.2377 -4.1561 51 1 4.6391 -0.2728 -4.2866 52 1 3.4451 1.4054 -0.8376 53 1 5.0602 0.6991 -1.1467 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 ZINC000377036250.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:24:25 Heat of formation + Delta-G solvation = -118.202289 kcal Electronic energy + Delta-G solvation = -31800.646535 eV Core-core repulsion = 27672.558641 eV Total energy + Delta-G solvation = -4128.087895 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.98 seconds Orbital eigenvalues (eV) -41.33893 -39.73105 -38.04398 -37.19131 -34.91627 -34.09675 -33.36945 -32.06694 -31.06813 -29.62414 -27.27880 -27.06901 -26.62105 -26.55798 -25.18344 -23.40317 -22.75452 -22.03059 -20.73546 -19.64855 -18.91606 -17.76302 -17.65686 -16.71533 -16.45458 -16.24728 -15.82403 -15.54153 -15.36577 -14.95591 -14.70730 -14.38588 -14.20718 -14.12309 -13.92577 -13.43267 -13.37080 -13.14051 -12.88979 -12.81830 -12.65772 -12.34161 -12.17924 -12.07786 -11.99982 -11.92380 -11.73070 -11.56485 -11.19871 -11.03366 -10.98257 -10.88706 -10.66322 -10.43256 -10.35807 -10.29052 -10.07746 -9.91042 -9.76772 -9.23774 -8.97131 -8.96373 -8.52215 -8.37448 -6.01540 -4.03132 2.44343 3.04414 3.21338 3.30470 3.36214 3.37028 3.49658 3.84804 4.01097 4.22861 4.30153 4.43457 4.49418 4.59558 4.64162 4.74775 4.90989 4.93798 5.08132 5.14805 5.25977 5.31007 5.33751 5.34390 5.38363 5.43044 5.46966 5.50527 5.58074 5.59813 5.63914 5.70217 5.76771 6.06621 6.11795 6.19016 6.24112 6.36427 6.53754 6.58666 6.59701 6.72084 6.81716 6.84190 7.02220 7.03648 7.09777 7.61739 7.73981 7.95518 7.97709 8.38120 8.62523 9.01325 9.59986 11.09876 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.021063 B = 0.002411 C = 0.002333 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1329.022221 B =11612.793451 C =12000.977125 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.143 4.143 2 C 0.070 3.930 3 H 0.069 0.931 4 C 0.082 3.918 5 N -0.639 5.639 6 C 0.706 3.294 7 O -0.587 6.587 8 N -0.735 5.735 9 C 0.145 3.855 10 C -0.072 4.072 11 C -0.126 4.126 12 C -0.126 4.126 13 C 0.037 3.963 14 C -0.512 4.512 15 H 0.059 0.941 16 C 0.057 3.943 17 N -0.894 5.894 18 Si 0.889 3.111 19 H -0.278 1.278 20 H -0.288 1.288 21 H -0.278 1.278 22 C 0.117 3.883 23 C 0.073 3.927 24 C -0.139 4.139 25 C 0.055 3.945 26 O -0.379 6.379 27 C 0.033 3.967 28 O -0.354 6.354 29 H 0.077 0.923 30 H 0.069 0.931 31 H 0.067 0.933 32 H 0.079 0.921 33 H 0.089 0.911 34 H 0.393 0.607 35 H 0.063 0.937 36 H 0.062 0.938 37 H 0.025 0.975 38 H 0.067 0.933 39 H 0.048 0.952 40 H 0.048 0.952 41 H 0.067 0.933 42 H 0.026 0.974 43 H 0.019 0.981 44 H 0.019 0.981 45 H 0.261 0.739 46 H 0.106 0.894 47 H 0.076 0.924 48 H 0.096 0.904 49 H 0.096 0.904 50 H 0.072 0.928 51 H 0.070 0.930 52 H 0.088 0.912 53 H 0.075 0.925 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -10.030 -9.578 -22.561 26.483 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 -0.201 4.201 2 C 0.012 3.988 3 H 0.087 0.913 4 C -0.042 4.042 5 N -0.378 5.378 6 C 0.408 3.592 7 O -0.465 6.465 8 N -0.392 5.392 9 C 0.022 3.978 10 C -0.073 4.073 11 C -0.183 4.183 12 C -0.183 4.183 13 C -0.001 4.001 14 C -0.550 4.550 15 H 0.077 0.923 16 C -0.145 4.145 17 N -0.533 5.533 18 Si 0.717 3.283 19 H -0.203 1.203 20 H -0.214 1.214 21 H -0.203 1.203 22 C -0.007 4.007 23 C 0.032 3.968 24 C -0.177 4.177 25 C -0.022 4.022 26 O -0.298 6.298 27 C -0.044 4.044 28 O -0.273 6.273 29 H 0.096 0.904 30 H 0.088 0.912 31 H 0.086 0.914 32 H 0.097 0.903 33 H 0.108 0.892 34 H 0.230 0.770 35 H 0.082 0.918 36 H 0.080 0.920 37 H 0.044 0.956 38 H 0.086 0.914 39 H 0.067 0.933 40 H 0.067 0.933 41 H 0.086 0.914 42 H 0.045 0.955 43 H 0.037 0.963 44 H 0.037 0.963 45 H 0.070 0.930 46 H 0.124 0.876 47 H 0.094 0.906 48 H 0.114 0.886 49 H 0.115 0.885 50 H 0.090 0.910 51 H 0.088 0.912 52 H 0.106 0.894 53 H 0.093 0.907 Dipole moment (debyes) X Y Z Total from point charges -9.090 -9.517 -22.664 26.208 hybrid contribution -0.812 0.381 1.221 1.515 sum -9.902 -9.136 -21.443 25.324 Atomic orbital electron populations 1.21729 0.91687 1.03382 1.03259 1.22589 0.95762 0.95820 0.84621 0.91321 1.22379 0.80865 1.01905 0.99033 1.47332 1.05735 1.67738 1.17005 1.15860 0.84858 0.78496 0.80009 1.90917 1.13387 1.61825 1.80381 1.45540 1.10618 1.61541 1.21513 1.21537 0.91910 0.97723 0.86637 1.20918 0.96654 0.94745 0.94952 1.21754 0.99173 0.97998 0.99368 1.21753 0.98661 0.98276 0.99619 1.19083 0.93691 0.95972 0.91334 1.21129 0.92998 1.36693 1.04215 0.92334 1.25012 0.94819 0.96363 0.98273 1.69950 1.07928 1.45345 1.30112 0.86709 0.80058 0.79705 0.81805 1.20336 1.21391 1.20333 1.21803 1.00460 0.97121 0.81267 1.22748 0.82793 0.95538 0.95748 1.23029 1.03160 0.99175 0.92312 1.23136 1.01783 0.83202 0.94063 1.88458 1.95068 1.29114 1.17166 1.23864 1.01181 0.96117 0.83202 1.87796 1.18855 1.77423 1.43182 0.90375 0.91217 0.91424 0.90308 0.89236 0.76983 0.91818 0.91980 0.95563 0.91378 0.93302 0.93289 0.91390 0.95527 0.96287 0.96294 0.92952 0.87556 0.90625 0.88579 0.88505 0.90967 0.91165 0.89403 0.90739 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -0.14 -0.90 9.57 37.15 0.36 -0.55 16 2 C 0.07 0.59 3.21 -26.59 -0.09 0.51 16 3 H 0.07 0.64 6.28 -51.93 -0.33 0.31 16 4 C 0.08 0.72 5.90 -3.53 -0.02 0.70 16 5 N -0.64 -7.40 2.97 -178.44 -0.53 -7.93 16 6 C 0.71 10.79 8.32 -86.92 -0.72 10.06 16 7 O -0.59 -11.22 15.87 5.29 0.08 -11.14 16 8 N -0.74 -10.68 4.88 -65.23 -0.32 -11.00 16 9 C 0.15 2.55 4.57 -4.05 -0.02 2.53 16 10 C -0.07 -1.34 0.54 -154.51 -0.08 -1.42 16 11 C -0.13 -2.13 8.05 37.16 0.30 -1.83 16 12 C -0.13 -2.15 8.05 37.16 0.30 -1.85 16 13 C 0.04 0.89 4.04 -27.89 -0.11 0.77 16 14 C -0.51 -13.39 7.65 -34.44 -0.26 -13.65 16 15 H 0.06 1.46 5.68 -52.49 -0.30 1.17 16 16 C 0.06 1.56 5.46 -17.82 -0.10 1.46 16 17 N -0.89 -26.22 13.29 55.43 0.74 -25.49 16 18 Si 0.89 21.00 29.54 -169.99 -5.02 15.97 16 19 H -0.28 -6.44 7.11 56.52 0.40 -6.04 16 20 H -0.29 -6.84 7.11 56.52 0.40 -6.44 16 21 H -0.28 -6.44 7.11 56.52 0.40 -6.04 16 22 C 0.12 1.20 5.28 -3.94 -0.02 1.17 16 23 C 0.07 0.68 0.85 -89.64 -0.08 0.60 16 24 C -0.14 -0.98 6.20 -25.17 -0.16 -1.14 16 25 C 0.05 0.45 7.81 37.96 0.30 0.74 16 26 O -0.38 -4.39 11.37 -35.23 -0.40 -4.79 16 27 C 0.03 0.36 6.76 37.73 0.26 0.61 16 28 O -0.35 -3.43 9.93 -35.22 -0.35 -3.78 16 29 H 0.08 0.39 8.14 -51.93 -0.42 -0.03 16 30 H 0.07 0.45 8.14 -51.93 -0.42 0.03 16 31 H 0.07 0.40 8.14 -51.93 -0.42 -0.02 16 32 H 0.08 0.63 8.14 -51.93 -0.42 0.20 16 33 H 0.09 0.72 5.66 -51.93 -0.29 0.42 16 34 H 0.39 4.82 3.68 -40.82 -0.15 4.67 16 35 H 0.06 1.21 8.14 -51.93 -0.42 0.79 16 36 H 0.06 1.16 8.14 -51.92 -0.42 0.74 16 37 H 0.03 0.35 6.86 -51.93 -0.36 0.00 16 38 H 0.07 1.25 6.62 -51.92 -0.34 0.90 16 39 H 0.05 0.86 8.14 -51.93 -0.42 0.43 16 40 H 0.05 0.87 8.14 -51.93 -0.42 0.44 16 41 H 0.07 1.25 6.62 -51.93 -0.34 0.90 16 42 H 0.03 0.36 6.86 -51.93 -0.36 0.01 16 43 H 0.02 0.50 8.14 -51.93 -0.42 0.07 16 44 H 0.02 0.49 8.14 -51.93 -0.42 0.07 16 45 H 0.26 7.30 8.31 -40.82 -0.34 6.96 16 46 H 0.11 1.20 6.89 -51.93 -0.36 0.85 16 47 H 0.08 0.69 8.14 -51.93 -0.42 0.26 16 48 H 0.10 0.54 7.99 -51.93 -0.41 0.13 16 49 H 0.10 0.58 8.14 -51.93 -0.42 0.16 16 50 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 51 H 0.07 0.47 8.14 -51.93 -0.42 0.04 16 52 H 0.09 1.00 6.13 -51.93 -0.32 0.68 16 53 H 0.07 0.83 7.80 -51.93 -0.40 0.43 16 LS Contribution 400.74 15.07 6.04 6.04 Total: -1.00 -32.23 400.74 -8.93 -41.16 By element: Atomic # 1 Polarization: 11.25 SS G_CDS: -9.02 Total: 2.23 kcal Atomic # 6 Polarization: -1.13 SS G_CDS: -0.15 Total: -1.28 kcal Atomic # 7 Polarization: -44.31 SS G_CDS: -0.11 Total: -44.42 kcal Atomic # 8 Polarization: -19.05 SS G_CDS: -0.67 Total: -19.71 kcal Atomic # 14 Polarization: 21.00 SS G_CDS: -5.02 Total: 15.97 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -32.23 -8.93 -41.16 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. ZINC000377036250.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 -77.041 kcal (2) G-P(sol) polarization free energy of solvation -32.234 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -109.274 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.928 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.162 kcal (6) G-S(sol) free energy of system = (1) + (5) -118.202 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.99 seconds