Wall clock time and date at job start Wed Apr 1 2020 02:01:49 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 1.52991 * 1 3 3 C 1.52998 * 109.47423 * 2 1 4 4 C 1.53000 * 109.47277 * 120.00000 * 2 1 3 5 5 H 1.09003 * 109.47360 * 54.92039 * 4 2 1 6 6 F 1.39903 * 109.46994 * 294.92380 * 4 2 1 7 7 C 1.50699 * 109.47403 * 174.92154 * 4 2 1 8 8 O 1.21287 * 119.99884 * 99.46449 * 7 4 2 9 9 N 1.34777 * 120.00142 * 279.46193 * 7 4 2 10 10 C 1.47158 * 120.98536 * 355.12065 * 9 7 4 11 11 C 1.53302 * 108.36703 * 230.57486 * 10 9 7 12 12 O 1.42963 * 109.23641 * 307.65244 * 11 10 9 13 13 C 1.42907 * 114.20736 * 62.48821 * 12 11 10 14 14 C 1.52957 * 109.56818 * 177.75198 * 13 12 11 15 15 C 1.52998 * 109.50851 * 299.57512 * 14 13 12 16 16 C 1.53012 * 109.46638 * 300.05791 * 15 14 13 17 17 N 1.46493 * 109.48209 * 180.02562 * 16 15 14 18 18 C 1.36940 * 119.99903 * 85.02068 * 17 16 15 19 19 H 1.08000 * 120.00160 * 0.02562 * 18 17 16 20 20 C 1.38811 * 119.99533 * 180.02562 * 18 17 16 21 21 N 1.31617 * 120.00495 * 359.97438 * 20 18 17 22 22 Si 1.86811 * 119.99711 * 180.02562 * 20 18 17 23 23 H 1.48492 * 109.46823 * 359.97438 * 22 20 18 24 24 H 1.48500 * 109.46857 * 119.99940 * 22 20 18 25 25 H 1.48501 * 109.46745 * 239.99659 * 22 20 18 26 26 C 1.52999 * 109.44578 * 60.06008 * 16 15 14 27 27 C 1.52948 * 109.58481 * 57.50539 * 13 12 11 28 28 C 1.47152 * 120.99093 * 175.09577 * 9 7 4 29 29 H 1.09004 * 109.47115 * 300.00042 * 1 2 3 30 30 H 1.09008 * 109.47293 * 59.99869 * 1 2 3 31 31 H 1.08997 * 109.47441 * 179.97438 * 1 2 3 32 32 H 1.08998 * 109.47552 * 239.99969 * 2 1 3 33 33 H 1.08996 * 109.47132 * 55.59005 * 3 2 1 34 34 H 1.09005 * 109.47463 * 175.59308 * 3 2 1 35 35 H 1.08998 * 109.47128 * 295.58730 * 3 2 1 36 36 H 1.08999 * 109.68204 * 110.86027 * 10 9 7 37 37 H 1.08992 * 109.68415 * 350.29402 * 10 9 7 38 38 H 1.08998 * 109.51159 * 67.58162 * 11 10 9 39 39 H 1.09004 * 109.51001 * 187.72468 * 11 10 9 40 40 H 1.08993 * 109.46505 * 59.58384 * 14 13 12 41 41 H 1.08993 * 109.46250 * 179.56507 * 14 13 12 42 42 H 1.09000 * 109.47322 * 180.02562 * 15 14 13 43 43 H 1.09002 * 109.47908 * 60.05734 * 15 14 13 44 44 H 1.09005 * 109.47376 * 300.07355 * 16 15 14 45 45 H 0.96999 * 119.99996 * 265.02761 * 17 16 15 46 46 H 0.97007 * 120.00024 * 179.97438 * 21 20 18 47 47 H 1.09001 * 109.47565 * 179.97438 * 26 16 15 48 48 H 1.09007 * 109.46820 * 59.95465 * 26 16 15 49 49 H 1.09001 * 109.46412 * 180.44522 * 27 13 12 50 50 H 1.09003 * 109.45843 * 300.41317 * 27 13 12 51 51 H 1.09004 * 109.67663 * 9.80280 * 28 9 7 52 52 H 1.08995 * 109.67980 * 249.26423 * 28 9 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 1.5299 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 6 2.0399 -0.7212 1.2492 5 1 1.6043 -1.7193 1.2959 6 9 1.6713 0.0022 2.3885 7 6 3.5417 -0.8311 1.1880 8 8 4.2327 -0.0482 1.8049 9 7 4.1169 -1.7994 0.4477 10 6 3.3023 -2.8249 -0.2232 11 6 3.8744 -4.2029 0.1288 12 8 5.2751 -4.2184 -0.1572 13 6 6.0403 -3.2870 0.6103 14 6 7.5226 -3.4314 0.2617 15 6 7.9886 -4.8512 0.5900 16 6 7.7860 -5.1222 2.0823 17 7 8.2327 -6.4813 2.3971 18 6 9.5533 -6.7227 2.6672 19 1 10.2655 -5.9110 2.6485 20 6 9.9766 -8.0107 2.9650 21 7 9.1087 -8.9999 2.9883 22 14 11.7781 -8.3399 3.3342 23 1 12.5418 -7.0696 3.2443 24 1 11.9083 -8.9006 4.7031 25 1 12.3159 -9.3113 2.3481 26 6 6.3026 -4.9803 2.4289 27 6 5.8356 -3.5607 2.1011 28 6 5.5782 -1.8622 0.2859 29 1 -0.3633 0.5139 0.8900 30 1 -0.3634 0.5139 -0.8900 31 1 -0.3634 -1.0276 -0.0005 32 1 1.8933 -0.5138 -0.8899 33 1 1.6136 1.9786 0.8478 34 1 3.1272 1.4435 0.0790 35 1 1.7427 1.9330 -0.9269 36 1 3.3407 -2.6762 -1.3024 37 1 2.2703 -2.7571 0.1208 38 1 3.7172 -4.4024 1.1888 39 1 3.3732 -4.9676 -0.4646 40 1 7.6661 -3.2388 -0.8014 41 1 8.1037 -2.7151 0.8423 42 1 9.0450 -4.9534 0.3418 43 1 7.4084 -5.5678 0.0086 44 1 8.3653 -4.4048 2.6637 45 1 7.5931 -7.2103 2.4142 46 1 9.4047 -9.9000 3.1961 47 1 6.1576 -5.1736 3.4918 48 1 5.7233 -5.6969 1.8466 49 1 6.4138 -2.8442 2.6846 50 1 4.7784 -3.4601 2.3470 51 1 6.0537 -1.1578 0.9684 52 1 5.8446 -1.6149 -0.7417 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) 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 ZINC001093404285.mol2 52 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 02:01:49 Heat of formation + Delta-G solvation = -125.930516 kcal Electronic energy + Delta-G solvation = -32212.435370 eV Core-core repulsion = 27933.240571 eV Total energy + Delta-G solvation = -4279.194799 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 342.211 amu Computer time = 0.80 seconds Orbital eigenvalues (eV) -48.18023 -41.05267 -39.18308 -36.79812 -36.03950 -34.88299 -33.80091 -31.81835 -30.51371 -29.76586 -29.14580 -27.67931 -27.56034 -25.25154 -23.97426 -23.02263 -22.32106 -21.37842 -20.35048 -19.40726 -19.34943 -18.12299 -17.27015 -17.10787 -16.53296 -15.99186 -15.94539 -15.65018 -15.11910 -15.00810 -14.69878 -14.67365 -14.30536 -13.81817 -13.67295 -13.49375 -13.40880 -13.29149 -13.16621 -12.93923 -12.66210 -12.55711 -12.42984 -12.24996 -11.98558 -11.80753 -11.66901 -11.50622 -11.47476 -11.21789 -11.10470 -10.96107 -10.83517 -10.67645 -10.57259 -10.34296 -10.10686 -9.92953 -9.89894 -9.59796 -9.46187 -8.84700 -8.74422 -6.90145 -5.72773 -3.00674 2.09130 2.36649 3.45258 3.50974 3.53084 3.60671 3.74612 3.90818 4.10163 4.21351 4.41170 4.56769 4.60940 4.64865 4.73307 4.77454 4.83683 4.90351 4.93654 5.00941 5.18346 5.26919 5.34431 5.35508 5.41115 5.42454 5.48655 5.50204 5.53005 5.61659 5.69825 5.72638 5.74306 5.85134 5.86627 5.88823 5.95116 6.04652 6.20193 6.27641 6.40653 6.53232 6.68245 6.76938 6.87938 7.01686 7.19066 7.24129 7.67718 7.74355 8.46278 9.57234 10.16725 10.51309 11.50170 Molecular weight = 342.21amu Principal moments of inertia in cm(-1) A = 0.027585 B = 0.002351 C = 0.002338 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1014.794285 B =11906.806106 C =11971.474026 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.149 4.149 2 C -0.115 4.115 3 C -0.152 4.152 4 C 0.082 3.918 5 H 0.105 0.895 6 F -0.182 7.182 7 C 0.496 3.504 8 O -0.516 6.516 9 N -0.607 5.607 10 C 0.067 3.933 11 C 0.041 3.959 12 O -0.355 6.355 13 C 0.111 3.889 14 C -0.100 4.100 15 C -0.129 4.129 16 C 0.180 3.820 17 N -0.725 5.725 18 C -0.234 4.234 19 H 0.070 0.930 20 C -0.016 4.016 21 N -0.934 5.934 22 Si 0.904 3.096 23 H -0.281 1.281 24 H -0.292 1.292 25 H -0.292 1.292 26 C -0.118 4.118 27 C -0.134 4.134 28 C 0.089 3.911 29 H 0.064 0.936 30 H 0.066 0.934 31 H 0.060 0.940 32 H 0.091 0.909 33 H 0.065 0.935 34 H 0.061 0.939 35 H 0.062 0.938 36 H 0.083 0.917 37 H 0.090 0.910 38 H 0.062 0.938 39 H 0.107 0.893 40 H 0.064 0.936 41 H 0.074 0.926 42 H 0.061 0.939 43 H 0.064 0.936 44 H 0.043 0.957 45 H 0.383 0.617 46 H 0.253 0.747 47 H 0.061 0.939 48 H 0.063 0.937 49 H 0.071 0.929 50 H 0.057 0.943 51 H 0.102 0.898 52 H 0.077 0.923 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -19.546 17.715 -10.208 28.285 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 -0.206 4.206 2 C -0.134 4.134 3 C -0.209 4.209 4 C 0.042 3.958 5 H 0.123 0.877 6 F -0.163 7.163 7 C 0.282 3.718 8 O -0.391 6.391 9 N -0.341 5.341 10 C -0.056 4.056 11 C -0.037 4.037 12 O -0.273 6.273 13 C 0.071 3.929 14 C -0.139 4.139 15 C -0.169 4.169 16 C 0.070 3.930 17 N -0.365 5.365 18 C -0.365 4.365 19 H 0.088 0.912 20 C -0.212 4.212 21 N -0.583 5.583 22 Si 0.736 3.264 23 H -0.206 1.206 24 H -0.220 1.220 25 H -0.219 1.219 26 C -0.156 4.156 27 C -0.172 4.172 28 C -0.033 4.033 29 H 0.083 0.917 30 H 0.085 0.915 31 H 0.079 0.921 32 H 0.110 0.890 33 H 0.084 0.916 34 H 0.080 0.920 35 H 0.081 0.919 36 H 0.101 0.899 37 H 0.108 0.892 38 H 0.081 0.919 39 H 0.125 0.875 40 H 0.082 0.918 41 H 0.093 0.907 42 H 0.080 0.920 43 H 0.083 0.917 44 H 0.061 0.939 45 H 0.216 0.784 46 H 0.063 0.937 47 H 0.079 0.921 48 H 0.082 0.918 49 H 0.090 0.910 50 H 0.076 0.924 51 H 0.120 0.880 52 H 0.095 0.905 Dipole moment (debyes) X Y Z Total from point charges -18.898 18.051 -9.914 27.951 hybrid contribution 0.547 -0.405 0.383 0.781 sum -18.351 17.647 -9.531 27.185 Atomic orbital electron populations 1.21850 0.93133 1.02505 1.03101 1.21665 0.97713 0.98151 0.95897 1.21841 1.01916 0.94532 1.02629 1.21605 0.92535 0.96724 0.84894 0.87714 1.92878 1.91750 1.79904 1.51769 1.20914 0.90575 0.81061 0.79294 1.90761 1.64087 1.41565 1.42680 1.48095 1.07782 1.28130 1.50134 1.22645 0.95283 0.89053 0.98624 1.22962 0.83494 0.95323 1.01874 1.88075 1.16735 1.59812 1.62673 1.21859 0.92963 0.86583 0.91456 1.21514 0.90891 1.00186 1.01282 1.22169 1.00998 0.93655 1.00125 1.20193 0.91676 0.88685 0.92459 1.42425 1.07231 1.03556 1.83282 1.19295 0.85310 0.93154 1.38746 0.91200 1.24733 0.97599 0.95865 1.02981 1.69674 1.32704 0.99755 1.56135 0.86147 0.85042 0.77705 0.77513 1.20591 1.21960 1.21948 1.21716 0.98131 0.94758 1.01020 1.22014 1.01005 0.99134 0.95028 1.22455 0.79105 0.98888 1.02891 0.91673 0.91518 0.92111 0.89024 0.91578 0.92013 0.91851 0.89894 0.89155 0.91949 0.87517 0.91769 0.90747 0.92002 0.91737 0.93908 0.78363 0.93664 0.92070 0.91834 0.91000 0.92429 0.87994 0.90478 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 -0.15 -0.72 9.11 37.15 0.34 -0.38 16 2 C -0.12 -0.74 2.73 -90.63 -0.25 -0.98 16 3 C -0.15 -1.18 8.84 37.16 0.33 -0.85 16 4 C 0.08 0.70 2.59 -27.88 -0.07 0.63 16 5 H 0.11 0.61 6.28 -51.93 -0.33 0.29 16 6 F -0.18 -2.09 15.82 2.25 0.04 -2.05 16 7 C 0.50 5.61 6.06 -10.99 -0.07 5.54 16 8 O -0.52 -7.96 15.76 5.55 0.09 -7.87 16 9 N -0.61 -5.94 2.55 -172.29 -0.44 -6.38 16 10 C 0.07 0.46 6.02 -3.53 -0.02 0.44 16 11 C 0.04 0.37 6.60 37.31 0.25 0.62 16 12 O -0.35 -4.48 8.93 -35.23 -0.31 -4.79 16 13 C 0.11 1.40 0.68 -90.54 -0.06 1.34 16 14 C -0.10 -1.37 4.94 -26.75 -0.13 -1.50 16 15 C -0.13 -2.30 5.36 -26.73 -0.14 -2.44 16 16 C 0.18 3.58 2.77 -67.93 -0.19 3.39 16 17 N -0.72 -18.31 5.12 -53.42 -0.27 -18.59 16 18 C -0.23 -6.53 9.93 -15.06 -0.15 -6.68 16 19 H 0.07 1.91 7.83 -52.49 -0.41 1.49 16 20 C -0.02 -0.47 5.50 -17.43 -0.10 -0.56 16 21 N -0.93 -28.45 13.06 55.49 0.72 -27.73 16 22 Si 0.90 22.61 29.55 -169.99 -5.02 17.59 16 23 H -0.28 -6.79 7.11 56.52 0.40 -6.39 16 24 H -0.29 -7.36 7.11 56.52 0.40 -6.96 16 25 H -0.29 -7.34 7.11 56.52 0.40 -6.94 16 26 C -0.12 -1.99 5.25 -26.73 -0.14 -2.13 16 27 C -0.13 -1.86 4.19 -26.76 -0.11 -1.97 16 28 C 0.09 0.98 5.31 -3.55 -0.02 0.97 16 29 H 0.06 0.37 7.94 -51.93 -0.41 -0.04 16 30 H 0.07 0.27 8.14 -51.92 -0.42 -0.16 16 31 H 0.06 0.22 8.14 -51.93 -0.42 -0.20 16 32 H 0.09 0.47 7.67 -51.93 -0.40 0.07 16 33 H 0.07 0.56 7.82 -51.93 -0.41 0.15 16 34 H 0.06 0.60 6.92 -51.93 -0.36 0.24 16 35 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 36 H 0.08 0.48 8.14 -51.93 -0.42 0.06 16 37 H 0.09 0.38 5.55 -51.93 -0.29 0.09 16 38 H 0.06 0.61 6.26 -51.93 -0.33 0.28 16 39 H 0.11 0.75 8.14 -51.93 -0.42 0.32 16 40 H 0.06 0.80 8.14 -51.93 -0.42 0.38 16 41 H 0.07 0.96 8.14 -51.93 -0.42 0.54 16 42 H 0.06 1.20 8.14 -51.93 -0.42 0.77 16 43 H 0.06 1.23 7.70 -51.93 -0.40 0.83 16 44 H 0.04 0.89 8.08 -51.93 -0.42 0.47 16 45 H 0.38 10.33 7.80 -40.82 -0.32 10.01 16 46 H 0.25 7.47 8.31 -40.82 -0.34 7.13 16 47 H 0.06 1.08 8.14 -51.93 -0.42 0.66 16 48 H 0.06 1.09 7.70 -51.93 -0.40 0.69 16 49 H 0.07 1.03 8.14 -51.93 -0.42 0.61 16 50 H 0.06 0.76 6.11 -51.93 -0.32 0.44 16 51 H 0.10 1.26 7.06 -51.93 -0.37 0.89 16 52 H 0.08 0.77 8.14 -51.93 -0.42 0.35 16 LS Contribution 396.58 15.07 5.98 5.98 Total: -1.00 -33.68 396.58 -8.70 -42.38 By element: Atomic # 1 Polarization: 14.98 SS G_CDS: -8.93 Total: 6.05 kcal Atomic # 6 Polarization: -4.05 SS G_CDS: -0.54 Total: -4.58 kcal Atomic # 7 Polarization: -52.71 SS G_CDS: 0.01 Total: -52.69 kcal Atomic # 8 Polarization: -12.43 SS G_CDS: -0.23 Total: -12.66 kcal Atomic # 9 Polarization: -2.09 SS G_CDS: 0.04 Total: -2.05 kcal Atomic # 14 Polarization: 22.61 SS G_CDS: -5.02 Total: 17.59 kcal Total LS contribution 5.98 Total: 5.98 kcal Total: -33.68 -8.70 -42.38 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. ZINC001093404285.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 -83.552 kcal (2) G-P(sol) polarization free energy of solvation -33.683 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -117.234 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.696 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.379 kcal (6) G-S(sol) free energy of system = (1) + (5) -125.931 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.81 seconds