Wall clock time and date at job start Tue Mar 31 2020 05:39:30 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 1.50702 * 1 3 3 O 1.21309 * 119.99708 * 2 1 4 4 C 1.46747 * 120.00537 * 180.02562 * 2 1 3 5 5 C 1.40107 * 120.09978 * 179.97438 * 4 2 1 6 6 C 1.36539 * 119.90366 * 180.02562 * 5 4 2 7 7 C 1.39312 * 120.10107 * 0.02562 * 6 5 4 8 8 N 1.38888 * 119.91040 * 179.97438 * 7 6 5 9 9 C 1.46955 * 111.00083 * 180.02562 * 8 7 6 10 10 C 1.53055 * 109.36220 * 183.19099 * 9 8 7 11 11 N 1.46965 * 109.36354 * 301.59453 * 10 9 8 12 12 C 1.46889 * 110.99870 * 183.18786 * 11 10 9 13 13 C 1.50706 * 109.47109 * 170.00198 * 12 11 10 14 14 O 1.21281 * 119.99699 * 359.97438 * 13 12 11 15 15 N 1.34773 * 120.00080 * 180.02562 * 13 12 11 16 16 C 1.46499 * 120.00036 * 359.72107 * 15 13 12 17 17 C 1.46506 * 119.99969 * 180.02562 * 15 13 12 18 18 C 1.50703 * 109.46877 * 269.72057 * 17 15 13 19 19 H 1.08005 * 119.99817 * 0.02562 * 18 17 15 20 20 C 1.37871 * 120.00081 * 179.97438 * 18 17 15 21 21 N 1.31520 * 119.99848 * 0.02562 * 20 18 17 22 22 Si 1.86798 * 120.00321 * 179.97438 * 20 18 17 23 23 H 1.48504 * 109.46938 * 0.02562 * 22 20 18 24 24 H 1.48501 * 109.47198 * 120.00527 * 22 20 18 25 25 H 1.48498 * 109.47360 * 240.00281 * 22 20 18 26 26 C 1.46959 * 110.87772 * 59.32159 * 11 10 9 27 27 C 1.46955 * 110.99975 * 303.80125 * 8 7 6 28 28 C 1.39317 * 120.18711 * 0.25665 * 7 6 5 29 29 C 1.36541 * 120.09393 * 359.47751 * 28 7 6 30 30 H 1.09004 * 109.46692 * 270.00023 * 1 2 3 31 31 H 1.08994 * 109.47206 * 29.99442 * 1 2 3 32 32 H 1.08996 * 109.46884 * 150.00244 * 1 2 3 33 33 H 1.08002 * 120.04574 * 0.02562 * 5 4 2 34 34 H 1.08008 * 119.95003 * 180.02562 * 6 5 4 35 35 H 1.08990 * 109.49170 * 63.22205 * 9 8 7 36 36 H 1.08999 * 109.48583 * 303.15327 * 9 8 7 37 37 H 1.08995 * 109.48843 * 181.63413 * 10 9 8 38 38 H 1.08996 * 109.50922 * 61.57420 * 10 9 8 39 39 H 1.09004 * 109.47256 * 50.00565 * 12 11 10 40 40 H 1.08998 * 109.47820 * 290.00375 * 12 11 10 41 41 H 1.09003 * 109.47269 * 270.27384 * 16 15 13 42 42 H 1.08994 * 109.47173 * 30.28203 * 16 15 13 43 43 H 1.09005 * 109.47077 * 150.28374 * 16 15 13 44 44 H 1.09000 * 109.46803 * 29.71536 * 17 15 13 45 45 H 1.09000 * 109.47214 * 149.72329 * 17 15 13 46 46 H 0.96998 * 119.99944 * 179.97438 * 21 20 18 47 47 H 1.09007 * 109.48694 * 60.64644 * 26 11 10 48 48 H 1.09001 * 109.48949 * 180.71065 * 26 11 10 49 49 H 1.09002 * 109.49203 * 296.77870 * 27 8 7 50 50 H 1.09010 * 109.48790 * 56.84128 * 27 8 7 51 51 H 1.08005 * 119.95255 * 179.72610 * 28 7 6 52 52 H 1.08006 * 120.04896 * 180.28616 * 29 28 7 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 1.5070 0.0000 0.0000 3 8 2.1135 1.0506 0.0000 4 6 2.2409 -1.2708 -0.0006 5 6 3.6419 -1.2731 -0.0011 6 6 4.3207 -2.4578 -0.0022 7 6 3.6222 -3.6632 -0.0032 8 7 4.3167 -4.8660 -0.0049 9 6 3.3919 -6.0081 -0.0064 10 6 4.1930 -7.3099 0.0722 11 7 5.1173 -7.3828 -1.0680 12 6 5.8518 -8.6549 -1.0697 13 6 6.5996 -8.8015 -2.3699 14 8 6.5272 -7.9321 -3.2124 15 7 7.3478 -9.8993 -2.5968 16 6 7.4392 -10.9471 -1.5771 17 6 8.0751 -10.0416 -3.8606 18 6 7.2011 -10.7450 -4.8667 19 1 6.2034 -11.0547 -4.5924 20 6 7.6746 -10.9923 -6.1378 21 7 8.8893 -10.6147 -6.4720 22 14 6.5915 -11.8649 -7.3847 23 1 5.2802 -12.1832 -6.7645 24 1 6.3813 -10.9829 -8.5608 25 1 7.2517 -13.1217 -7.8203 26 6 6.0421 -6.2407 -1.0665 27 6 5.2405 -4.9392 -1.1453 28 6 2.2291 -3.6656 -0.0086 29 6 1.5424 -2.4854 -0.0021 30 1 -0.3633 0.0000 1.0277 31 1 -0.3633 0.8900 -0.5137 32 1 -0.3633 -0.8900 -0.5138 33 1 4.1842 -0.3391 -0.0007 34 1 5.4008 -2.4605 -0.0022 35 1 2.8033 -5.9982 -0.9236 36 1 2.7263 -5.9382 0.8540 37 1 3.5106 -8.1592 0.0420 38 1 4.7606 -7.3323 1.0025 39 1 5.1487 -9.4806 -0.9598 40 1 6.5591 -8.6672 -0.2404 41 1 8.2745 -10.7334 -0.9103 42 1 6.5136 -10.9764 -1.0023 43 1 7.5975 -11.9114 -2.0602 44 1 8.3428 -9.0549 -4.2388 45 1 8.9806 -10.6253 -3.6950 46 1 9.2225 -10.7890 -7.3661 47 1 6.6307 -6.2506 -0.1491 48 1 6.7077 -6.3105 -1.9269 49 1 4.6726 -4.9173 -2.0755 50 1 5.9231 -4.0897 -1.1156 51 1 1.6914 -4.6023 -0.0139 52 1 0.4623 -2.4881 -0.0017 RHF calculation, no. of doubly occupied orbitals= 68 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 ZINC000024795824.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 05:39:30 Heat of formation + Delta-G solvation = -11.815250 kcal Electronic energy + Delta-G solvation = -31572.937016 eV Core-core repulsion = 27345.351748 eV Total energy + Delta-G solvation = -4227.585268 eV No. of doubly occupied orbitals = 68 Molecular weight (most abundant/longest-lived isotopes) = 359.200 amu Computer time = 1.22 seconds Orbital eigenvalues (eV) -40.93706 -39.79283 -39.05940 -37.76347 -35.48463 -34.69620 -32.64421 -32.30156 -31.53924 -30.71377 -29.86381 -28.50351 -27.36593 -25.87264 -24.87768 -24.47682 -22.98902 -22.34327 -22.03277 -20.43131 -19.73083 -18.52603 -17.99261 -16.75018 -16.56118 -16.39095 -16.07755 -15.80677 -15.40540 -15.30538 -15.18922 -15.07927 -14.61575 -14.51536 -14.35883 -14.28137 -14.01290 -13.93165 -13.52266 -13.01166 -12.89302 -12.73694 -12.59155 -12.46747 -12.36687 -12.21744 -12.08344 -11.85150 -11.78466 -11.46443 -11.41082 -11.27035 -11.05719 -10.93513 -10.84819 -10.60478 -10.17097 -10.08484 -9.99029 -9.61406 -9.42021 -8.95201 -8.45490 -8.28212 -8.15832 -7.65424 -6.06066 -4.10649 0.35574 1.11939 2.09082 3.28188 3.28486 3.34935 3.37529 3.42705 3.55962 3.59153 3.80300 4.13663 4.33913 4.43940 4.55945 4.58009 4.69264 4.82197 4.83267 4.96129 5.00068 5.01999 5.09815 5.14580 5.19137 5.21336 5.27250 5.30316 5.34963 5.39942 5.42717 5.50701 5.51822 5.61828 5.66522 5.67048 5.84033 5.85673 5.88495 5.92916 6.06491 6.12217 6.16454 6.34444 6.61612 6.79217 6.93757 7.01184 7.09200 7.25199 7.41565 7.52173 7.90638 8.21588 8.39154 8.89246 9.08835 9.54657 11.02013 Molecular weight = 359.20amu Principal moments of inertia in cm(-1) A = 0.016020 B = 0.001775 C = 0.001703 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1747.377773 B =15767.309613 C =16439.142069 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.201 4.201 2 C 0.398 3.602 3 O -0.469 6.469 4 C -0.213 4.213 5 C -0.031 4.031 6 C -0.159 4.159 7 C 0.159 3.841 8 N -0.493 5.493 9 C 0.053 3.947 10 C 0.055 3.945 11 N -0.521 5.521 12 C 0.039 3.961 13 C 0.505 3.495 14 O -0.525 6.525 15 N -0.604 5.604 16 C 0.084 3.916 17 C 0.246 3.754 18 C -0.525 4.525 19 H 0.058 0.942 20 C 0.060 3.940 21 N -0.895 5.895 22 Si 0.898 3.102 23 H -0.273 1.273 24 H -0.283 1.283 25 H -0.284 1.284 26 C 0.051 3.949 27 C 0.064 3.936 28 C -0.190 4.190 29 C -0.041 4.041 30 H 0.096 0.904 31 H 0.086 0.914 32 H 0.086 0.914 33 H 0.133 0.867 34 H 0.132 0.868 35 H 0.062 0.938 36 H 0.087 0.913 37 H 0.085 0.915 38 H 0.043 0.957 39 H 0.099 0.901 40 H 0.057 0.943 41 H 0.043 0.957 42 H 0.055 0.945 43 H 0.074 0.926 44 H 0.043 0.957 45 H 0.031 0.969 46 H 0.263 0.737 47 H 0.037 0.963 48 H 0.110 0.890 49 H 0.062 0.938 50 H 0.087 0.913 51 H 0.134 0.866 52 H 0.132 0.868 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -14.149 12.150 19.118 26.708 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 -0.258 4.258 2 C 0.277 3.723 3 O -0.346 6.346 4 C -0.216 4.216 5 C -0.050 4.050 6 C -0.179 4.179 7 C 0.059 3.941 8 N -0.206 5.206 9 C -0.074 4.074 10 C -0.073 4.073 11 N -0.246 5.246 12 C -0.092 4.092 13 C 0.291 3.709 14 O -0.401 6.401 15 N -0.337 5.337 16 C -0.061 4.061 17 C 0.127 3.873 18 C -0.564 4.564 19 H 0.076 0.924 20 C -0.142 4.142 21 N -0.534 5.534 22 Si 0.726 3.274 23 H -0.198 1.198 24 H -0.209 1.209 25 H -0.210 1.210 26 C -0.077 4.077 27 C -0.060 4.060 28 C -0.211 4.211 29 C -0.059 4.059 30 H 0.114 0.886 31 H 0.105 0.895 32 H 0.104 0.896 33 H 0.151 0.849 34 H 0.149 0.851 35 H 0.080 0.920 36 H 0.106 0.894 37 H 0.104 0.896 38 H 0.061 0.939 39 H 0.117 0.883 40 H 0.075 0.925 41 H 0.062 0.938 42 H 0.074 0.926 43 H 0.093 0.907 44 H 0.062 0.938 45 H 0.049 0.951 46 H 0.072 0.928 47 H 0.055 0.945 48 H 0.128 0.872 49 H 0.080 0.920 50 H 0.105 0.895 51 H 0.152 0.848 52 H 0.149 0.851 Dipole moment (debyes) X Y Z Total from point charges -13.659 13.041 18.478 26.421 hybrid contribution -0.504 -0.894 -0.474 1.131 sum -14.163 12.147 18.004 25.928 Atomic orbital electron populations 1.22236 0.94103 1.04836 1.04627 1.22346 0.91539 0.87695 0.70695 1.90544 1.72162 1.34463 1.37398 1.20370 0.94539 0.94595 1.12047 1.21006 0.93095 0.98322 0.92528 1.20572 1.00466 0.90701 1.06152 1.19292 0.91803 0.90464 0.92587 1.58914 1.19056 1.01050 1.41575 1.22407 0.94127 0.88729 1.02149 1.22207 0.95784 0.97088 0.92230 1.61784 1.19525 1.01592 1.41725 1.22024 0.97596 0.92878 0.96682 1.20116 0.80061 0.82648 0.88123 1.90633 1.62283 1.40821 1.46391 1.48170 1.48092 1.18344 1.19135 1.21630 1.00011 0.92920 0.91505 1.19282 0.91149 0.98360 0.78501 1.21467 1.00711 1.37543 0.96633 0.92412 1.24943 0.95184 0.95904 0.98155 1.69942 1.16198 1.46983 1.20287 0.86441 0.80542 0.79126 0.81296 1.19813 1.20869 1.20996 1.22400 0.94395 0.88359 1.02507 1.22366 0.94700 0.98747 0.90195 1.21089 0.93161 0.99241 1.07623 1.21059 0.99870 0.91200 0.93818 0.88584 0.89539 0.89570 0.84909 0.85058 0.92023 0.89448 0.89649 0.93907 0.88325 0.92515 0.93830 0.92642 0.90680 0.93848 0.95064 0.92779 0.94502 0.87169 0.92014 0.89453 0.84778 0.85055 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 -0.20 -1.06 9.75 36.01 0.35 -0.71 16 2 C 0.40 3.66 7.21 -30.87 -0.22 3.44 16 3 O -0.47 -5.96 17.08 5.53 0.09 -5.87 16 4 C -0.21 -1.96 5.87 -105.06 -0.62 -2.58 16 5 C -0.03 -0.30 9.54 -39.49 -0.38 -0.68 16 6 C -0.16 -1.55 9.11 -39.80 -0.36 -1.91 16 7 C 0.16 1.58 5.63 -83.86 -0.47 1.11 16 8 N -0.49 -5.12 4.74 -170.95 -0.81 -5.93 16 9 C 0.05 0.49 4.28 -3.77 -0.02 0.47 16 10 C 0.06 0.55 5.61 -3.76 -0.02 0.53 16 11 N -0.52 -7.11 4.44 -235.90 -1.05 -8.16 16 12 C 0.04 0.55 4.00 -4.98 -0.02 0.53 16 13 C 0.50 10.00 7.37 -10.98 -0.08 9.92 16 14 O -0.52 -12.59 13.92 5.56 0.08 -12.51 16 15 N -0.60 -12.35 2.86 -182.95 -0.52 -12.87 16 16 C 0.08 1.25 10.24 59.85 0.61 1.86 16 17 C 0.25 6.33 5.17 -5.19 -0.03 6.30 16 18 C -0.52 -14.74 9.39 -34.44 -0.32 -15.07 16 19 H 0.06 1.63 7.81 -52.48 -0.41 1.22 16 20 C 0.06 1.71 5.46 -17.82 -0.10 1.61 16 21 N -0.89 -26.44 13.29 55.43 0.74 -25.70 16 22 Si 0.90 21.78 29.54 -169.99 -5.02 16.76 16 23 H -0.27 -6.54 7.11 56.52 0.40 -6.14 16 24 H -0.28 -6.87 7.11 56.52 0.40 -6.47 16 25 H -0.28 -6.70 7.11 56.52 0.40 -6.30 16 26 C 0.05 0.69 5.26 -3.77 -0.02 0.67 16 27 C 0.06 0.76 5.37 -3.77 -0.02 0.74 16 28 C -0.19 -1.60 8.74 -39.79 -0.35 -1.95 16 29 C -0.04 -0.31 9.31 -39.49 -0.37 -0.67 16 30 H 0.10 0.37 8.14 -51.93 -0.42 -0.05 16 31 H 0.09 0.45 8.14 -51.93 -0.42 0.03 16 32 H 0.09 0.30 6.45 -51.93 -0.33 -0.03 16 33 H 0.13 1.27 7.64 -52.49 -0.40 0.87 16 34 H 0.13 1.17 7.16 -52.48 -0.38 0.79 16 35 H 0.06 0.61 7.55 -51.93 -0.39 0.22 16 36 H 0.09 0.63 7.16 -51.93 -0.37 0.26 16 37 H 0.09 0.73 8.07 -51.93 -0.42 0.32 16 38 H 0.04 0.41 8.14 -51.93 -0.42 -0.01 16 39 H 0.10 1.21 7.29 -51.93 -0.38 0.83 16 40 H 0.06 0.69 8.08 -51.93 -0.42 0.27 16 41 H 0.04 0.56 8.14 -51.93 -0.42 0.13 16 42 H 0.05 0.66 6.45 -51.93 -0.33 0.32 16 43 H 0.07 1.17 8.07 -51.93 -0.42 0.75 16 44 H 0.04 1.26 7.41 -51.93 -0.38 0.87 16 45 H 0.03 0.81 8.07 -51.93 -0.42 0.39 16 46 H 0.26 7.31 8.31 -40.82 -0.34 6.97 16 47 H 0.04 0.47 8.14 -51.92 -0.42 0.04 16 48 H 0.11 1.83 5.85 -51.93 -0.30 1.53 16 49 H 0.06 0.82 8.14 -51.93 -0.42 0.40 16 50 H 0.09 0.91 6.79 -51.92 -0.35 0.56 16 51 H 0.13 0.92 5.77 -52.48 -0.30 0.62 16 52 H 0.13 0.60 6.34 -52.48 -0.33 0.27 16 LS Contribution 413.62 15.07 6.23 6.23 Total: -1.00 -35.10 413.62 -10.71 -45.82 By element: Atomic # 1 Polarization: 6.67 SS G_CDS: -8.03 Total: -1.35 kcal Atomic # 6 Polarization: 6.02 SS G_CDS: -2.43 Total: 3.60 kcal Atomic # 7 Polarization: -51.02 SS G_CDS: -1.64 Total: -52.66 kcal Atomic # 8 Polarization: -18.56 SS G_CDS: 0.17 Total: -18.38 kcal Atomic # 14 Polarization: 21.78 SS G_CDS: -5.02 Total: 16.76 kcal Total LS contribution 6.23 Total: 6.23 kcal Total: -35.10 -10.71 -45.82 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. ZINC000024795824.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 34.000 kcal (2) G-P(sol) polarization free energy of solvation -35.101 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -1.101 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.714 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -45.815 kcal (6) G-S(sol) free energy of system = (1) + (5) -11.815 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.22 seconds