Wall clock time and date at job start Sat Apr 11 2020 06:11:49 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 1.53004 * 1 3 3 C 1.53002 * 109.46804 * 2 1 4 4 C 1.53004 * 109.46804 * 179.97438 * 3 2 1 5 5 C 1.53003 * 109.46965 * 60.00211 * 4 3 2 6 6 O 1.42895 * 109.47133 * 299.99988 * 4 3 2 7 7 C 1.53002 * 109.46804 * 179.97438 * 4 3 2 8 8 N 1.46503 * 109.46633 * 178.29630 * 7 4 3 9 9 C 1.36736 * 127.13577 * 269.39755 * 8 7 4 10 10 C 1.50694 * 126.34780 * 359.70407 * 9 8 7 11 11 N 1.30294 * 107.30172 * 179.74162 * 9 8 7 12 12 N 1.28524 * 110.05650 * 0.02562 * 11 9 8 13 13 C 1.31218 * 109.86100 * 359.97438 * 12 11 9 14 14 N 1.38579 * 126.47341 * 180.02562 * 13 12 11 15 15 C 1.46899 * 111.00138 * 254.63312 * 14 13 12 16 16 C 1.50707 * 109.46762 * 65.48570 * 15 14 13 17 17 H 1.07996 * 119.99966 * 3.93210 * 16 15 14 18 18 C 1.37875 * 119.99650 * 183.93560 * 16 15 14 19 19 N 1.31513 * 120.00429 * 5.10826 * 18 16 15 20 20 Si 1.86803 * 119.99749 * 185.10757 * 18 16 15 21 21 H 1.48504 * 109.46741 * 64.99776 * 20 18 16 22 22 H 1.48497 * 109.47257 * 184.99522 * 20 18 16 23 23 H 1.48497 * 109.47140 * 304.99933 * 20 18 16 24 24 C 1.46904 * 111.00068 * 18.59406 * 14 13 12 25 25 C 1.52993 * 109.46982 * 163.41312 * 24 14 13 26 26 O 1.42898 * 109.47722 * 67.67042 * 25 24 14 27 27 C 1.42901 * 114.00607 * 184.83447 * 26 25 24 28 28 H 1.08998 * 109.46919 * 299.99553 * 1 2 3 29 29 H 1.08998 * 109.47417 * 60.00191 * 1 2 3 30 30 H 1.09003 * 109.47207 * 180.02562 * 1 2 3 31 31 H 1.08998 * 109.46919 * 240.00447 * 2 1 3 32 32 H 1.09003 * 109.47206 * 120.00245 * 2 1 3 33 33 H 1.08998 * 109.47018 * 60.00508 * 3 2 1 34 34 H 1.08998 * 109.46978 * 300.00078 * 3 2 1 35 35 H 1.08996 * 109.46646 * 179.97438 * 5 4 3 36 36 H 1.09003 * 109.46941 * 299.99897 * 5 4 3 37 37 H 1.09003 * 109.47131 * 59.99987 * 5 4 3 38 38 H 0.96692 * 114.00440 * 295.35868 * 6 4 3 39 39 H 1.08999 * 109.46771 * 58.29968 * 7 4 3 40 40 H 1.09001 * 109.47298 * 298.29525 * 7 4 3 41 41 H 1.08998 * 109.47051 * 90.00420 * 10 9 8 42 42 H 1.09000 * 109.47067 * 209.99772 * 10 9 8 43 43 H 1.08998 * 109.47638 * 329.99891 * 10 9 8 44 44 H 1.08991 * 109.47415 * 185.48188 * 15 14 13 45 45 H 1.08999 * 109.47164 * 305.48726 * 15 14 13 46 46 H 0.97001 * 119.99726 * 180.02562 * 19 18 16 47 47 H 1.09000 * 109.46506 * 283.40988 * 24 14 13 48 48 H 1.08999 * 109.47017 * 43.40812 * 24 14 13 49 49 H 1.09001 * 109.47046 * 187.66933 * 25 24 14 50 50 H 1.09003 * 109.47493 * 307.66996 * 25 24 14 51 51 H 1.09002 * 109.46432 * 304.93838 * 27 26 25 52 52 H 1.08999 * 109.47467 * 64.93135 * 27 26 25 53 53 H 1.09004 * 109.47450 * 184.94298 * 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 1.5300 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 6 3.5700 1.4425 0.0006 5 6 4.0805 0.7211 -1.2483 6 8 4.0458 0.7691 1.1677 7 6 4.0799 2.8851 0.0000 8 7 5.5444 2.8853 0.0417 9 6 6.3385 2.9083 1.1546 10 6 5.8692 2.9449 2.5861 11 7 7.5762 2.8935 0.7478 12 7 7.6178 2.8636 -0.5365 13 6 6.3987 2.8570 -1.0219 14 7 6.0457 2.8267 -2.3616 15 6 5.5654 4.1408 -2.8093 16 6 6.6949 5.1365 -2.7463 17 1 7.6866 4.8113 -2.4687 18 6 6.4621 6.4627 -3.0431 19 7 5.2375 6.8777 -3.2829 20 14 7.8863 7.6699 -3.1046 21 1 8.7969 7.3047 -4.2194 22 1 7.3628 9.0424 -3.3225 23 1 8.6314 7.6223 -1.8210 24 6 7.1667 2.3652 -3.1912 25 6 6.6451 1.9505 -4.5684 26 8 6.1782 3.1053 -5.2686 27 6 5.5677 2.8146 -6.5275 28 1 -0.3633 0.5138 0.8900 29 1 -0.3634 0.5138 -0.8900 30 1 -0.3634 -1.0277 0.0005 31 1 1.8933 -0.5138 -0.8900 32 1 1.8934 -0.5139 0.8900 33 1 1.6767 1.9563 0.8900 34 1 1.6766 1.9563 -0.8900 35 1 5.1705 0.7216 -1.2480 36 1 3.7172 -0.3065 -1.2483 37 1 3.7175 1.2349 -2.1385 38 1 3.8199 1.2120 1.9970 39 1 3.6915 3.4081 0.8739 40 1 3.7422 3.3895 -0.9053 41 1 5.7513 1.9264 2.9559 42 1 6.6042 3.4700 3.1961 43 1 4.9128 3.4647 2.6418 44 1 5.2042 4.0656 -3.8349 45 1 4.7534 4.4709 -2.1614 46 1 5.0738 7.8107 -3.4921 47 1 7.8908 3.1720 -3.3047 48 1 7.6460 1.5115 -2.7120 49 1 7.4495 1.4823 -5.1357 50 1 5.8253 1.2423 -4.4483 51 1 6.2597 2.2391 -7.1424 52 1 4.6584 2.2359 -6.3654 53 1 5.3197 3.7468 -7.0351 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 ZINC001395982797.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Apr 11 2020 06:11:49 Heat of formation + Delta-G solvation = -12.605287 kcal Electronic energy + Delta-G solvation = -33063.236286 eV Core-core repulsion = 28972.020172 eV Total energy + Delta-G solvation = -4091.216114 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -42.26285 -38.80797 -37.91849 -36.10300 -34.42527 -34.05948 -32.52261 -31.57548 -30.75233 -29.19727 -27.56040 -27.00617 -26.38625 -26.02651 -25.40992 -22.86049 -22.21562 -21.78057 -20.45048 -19.82558 -19.60802 -17.24013 -16.56545 -16.33023 -16.15413 -15.69368 -15.61003 -15.26042 -14.96245 -14.49586 -14.48589 -14.36112 -14.20805 -13.60764 -13.51443 -13.44361 -12.67437 -12.65560 -12.46939 -12.35211 -12.16767 -11.95469 -11.85747 -11.78048 -11.71662 -11.59196 -11.37659 -11.16740 -11.04986 -10.91374 -10.88976 -10.80881 -10.69754 -10.62445 -10.33241 -10.20398 -9.97717 -9.85688 -9.51080 -9.17570 -9.03828 -8.50071 -8.32388 -7.32539 -6.00530 -4.02431 2.54843 2.89100 3.37669 3.39253 3.46668 3.68007 4.16844 4.38024 4.48203 4.49926 4.62395 4.71192 4.79227 4.90434 4.93116 5.07881 5.22198 5.27861 5.34828 5.40010 5.54866 5.57140 5.63791 5.65305 5.68511 5.70006 5.70705 5.77778 5.83071 5.87648 5.89556 5.92441 6.00503 6.05656 6.06888 6.08970 6.13197 6.18176 6.21825 6.44523 6.54893 6.74055 6.79426 7.12208 7.40184 7.56841 7.59996 7.66941 7.77974 7.96639 8.25620 8.26823 9.02488 9.58841 9.62463 11.07183 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.009836 B = 0.004588 C = 0.003903 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2846.084931 B = 6101.904097 C = 7171.449413 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C -0.118 4.118 3 C -0.141 4.141 4 C 0.122 3.878 5 C -0.132 4.132 6 O -0.548 6.548 7 C 0.086 3.914 8 N -0.465 5.465 9 C 0.157 3.843 10 C -0.056 4.056 11 N -0.294 5.294 12 N -0.335 5.335 13 C 0.409 3.591 14 N -0.463 5.463 15 C 0.188 3.812 16 C -0.534 4.534 17 H 0.064 0.936 18 C 0.070 3.930 19 N -0.896 5.896 20 Si 0.887 3.113 21 H -0.276 1.276 22 H -0.289 1.289 23 H -0.278 1.278 24 C 0.073 3.927 25 C 0.070 3.930 26 O -0.355 6.355 27 C 0.031 3.969 28 H 0.051 0.949 29 H 0.053 0.947 30 H 0.052 0.948 31 H 0.065 0.935 32 H 0.066 0.934 33 H 0.064 0.936 34 H 0.076 0.924 35 H 0.068 0.932 36 H 0.058 0.942 37 H 0.077 0.923 38 H 0.367 0.633 39 H 0.086 0.914 40 H 0.110 0.890 41 H 0.079 0.921 42 H 0.086 0.914 43 H 0.066 0.934 44 H 0.076 0.924 45 H 0.023 0.977 46 H 0.260 0.740 47 H 0.079 0.921 48 H 0.076 0.924 49 H 0.046 0.954 50 H 0.046 0.954 51 H 0.030 0.970 52 H 0.033 0.967 53 H 0.080 0.920 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.610 -12.742 4.874 16.687 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 -0.210 4.210 2 C -0.156 4.156 3 C -0.180 4.180 4 C 0.080 3.920 5 C -0.189 4.189 6 O -0.353 6.353 7 C -0.038 4.038 8 N -0.160 5.160 9 C -0.110 4.110 10 C -0.115 4.115 11 N -0.134 5.134 12 N -0.178 5.178 13 C 0.053 3.947 14 N -0.187 5.187 15 C 0.065 3.935 16 C -0.573 4.573 17 H 0.082 0.918 18 C -0.132 4.132 19 N -0.535 5.535 20 Si 0.715 3.285 21 H -0.201 1.201 22 H -0.215 1.215 23 H -0.203 1.203 24 C -0.055 4.055 25 C -0.007 4.007 26 O -0.273 6.273 27 C -0.066 4.066 28 H 0.070 0.930 29 H 0.073 0.927 30 H 0.071 0.929 31 H 0.084 0.916 32 H 0.085 0.915 33 H 0.083 0.917 34 H 0.095 0.905 35 H 0.087 0.913 36 H 0.076 0.924 37 H 0.096 0.904 38 H 0.214 0.786 39 H 0.104 0.896 40 H 0.128 0.872 41 H 0.098 0.902 42 H 0.105 0.895 43 H 0.085 0.915 44 H 0.093 0.907 45 H 0.041 0.959 46 H 0.070 0.930 47 H 0.097 0.903 48 H 0.094 0.906 49 H 0.064 0.936 50 H 0.065 0.935 51 H 0.049 0.951 52 H 0.051 0.949 53 H 0.099 0.901 Dipole moment (debyes) X Y Z Total from point charges -8.345 -13.132 4.404 16.171 hybrid contribution -0.496 1.694 0.143 1.771 sum -8.842 -11.438 4.547 15.155 Atomic orbital electron populations 1.21794 0.96124 1.01419 1.01679 1.21455 0.95134 0.96169 1.02794 1.22207 0.94556 0.98217 1.02980 1.21619 0.92339 0.90401 0.87632 1.21755 1.02861 0.99764 0.94513 1.86646 1.80438 1.52928 1.15313 1.22558 0.77579 0.98197 1.05490 1.45717 1.07072 1.57190 1.06011 1.24303 0.87899 1.08021 0.90818 1.20046 1.01363 1.02953 0.87155 1.73806 1.16497 1.18189 1.04868 1.74589 1.17293 1.24185 1.01776 1.22539 0.85032 0.98330 0.88828 1.59576 1.32878 1.31272 0.94997 1.20210 0.95326 0.79938 0.98048 1.21612 0.96085 0.93283 1.46343 0.91757 1.24800 0.95334 0.98062 0.95020 1.69921 1.19149 1.16155 1.48289 0.86718 0.83027 0.79960 0.78766 1.20129 1.21475 1.20327 1.21956 0.92383 1.00956 0.90219 1.22491 0.97297 0.88418 0.92501 1.88311 1.77797 1.30035 1.31207 1.22651 0.96002 1.01272 0.86668 0.92983 0.92748 0.92920 0.91593 0.91478 0.91737 0.90499 0.91308 0.92350 0.90380 0.78636 0.89576 0.87181 0.90191 0.89500 0.91500 0.90684 0.95898 0.93038 0.90325 0.90592 0.93553 0.93526 0.95148 0.94863 0.90131 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 -1.19 9.91 37.16 0.37 -0.83 16 2 C -0.12 -1.06 5.44 -26.73 -0.15 -1.21 16 3 C -0.14 -1.34 4.48 -26.73 -0.12 -1.46 16 4 C 0.12 1.45 0.85 -90.61 -0.08 1.37 16 5 C -0.13 -1.80 7.64 37.16 0.28 -1.51 16 6 O -0.55 -6.44 11.69 -35.23 -0.41 -6.85 16 7 C 0.09 1.23 5.09 -4.04 -0.02 1.21 16 8 N -0.47 -8.45 2.45 -114.08 -0.28 -8.73 16 9 C 0.16 2.85 7.76 -154.02 -1.19 1.66 16 10 C -0.06 -0.67 9.53 36.00 0.34 -0.33 16 11 N -0.29 -6.49 12.18 32.99 0.40 -6.09 16 12 N -0.33 -7.90 11.33 30.31 0.34 -7.56 16 13 C 0.41 8.74 4.45 -318.88 -1.42 7.32 16 14 N -0.46 -9.54 3.79 -175.88 -0.67 -10.20 16 15 C 0.19 4.58 4.58 -4.97 -0.02 4.55 16 16 C -0.53 -14.79 7.69 -34.44 -0.26 -15.05 16 17 H 0.06 1.88 6.35 -52.49 -0.33 1.55 16 18 C 0.07 1.98 5.45 -17.82 -0.10 1.88 16 19 N -0.90 -25.94 13.29 55.43 0.74 -25.20 16 20 Si 0.89 22.52 29.54 -169.99 -5.02 17.50 16 21 H -0.28 -6.93 7.11 56.52 0.40 -6.53 16 22 H -0.29 -7.19 7.11 56.52 0.40 -6.78 16 23 H -0.28 -7.21 7.11 56.52 0.40 -6.81 16 24 C 0.07 1.43 4.82 -3.83 -0.02 1.41 16 25 C 0.07 1.17 6.22 37.15 0.23 1.41 16 26 O -0.36 -6.86 7.77 -35.23 -0.27 -7.14 16 27 C 0.03 0.46 11.01 101.05 1.11 1.57 16 28 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 29 H 0.05 0.42 8.14 -51.93 -0.42 0.00 16 30 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 31 H 0.07 0.63 6.43 -51.93 -0.33 0.30 16 32 H 0.07 0.63 7.68 -51.93 -0.40 0.23 16 33 H 0.06 0.52 8.14 -51.93 -0.42 0.10 16 34 H 0.08 0.75 8.14 -51.93 -0.42 0.33 16 35 H 0.07 1.15 6.12 -51.93 -0.32 0.83 16 36 H 0.06 0.72 6.43 -51.93 -0.33 0.39 16 37 H 0.08 1.08 8.14 -51.93 -0.42 0.66 16 38 H 0.37 3.06 8.09 45.56 0.37 3.43 16 39 H 0.09 1.01 7.23 -51.93 -0.38 0.63 16 40 H 0.11 1.78 6.37 -51.93 -0.33 1.45 16 41 H 0.08 0.80 7.77 -51.93 -0.40 0.39 16 42 H 0.09 1.01 8.14 -51.93 -0.42 0.58 16 43 H 0.07 0.64 7.26 -51.93 -0.38 0.26 16 44 H 0.08 1.92 5.51 -51.93 -0.29 1.63 16 45 H 0.02 0.60 6.41 -51.93 -0.33 0.27 16 46 H 0.26 7.24 8.31 -40.82 -0.34 6.90 16 47 H 0.08 1.80 5.98 -51.93 -0.31 1.49 16 48 H 0.08 1.42 7.80 -51.93 -0.40 1.01 16 49 H 0.05 0.67 8.14 -51.93 -0.42 0.25 16 50 H 0.05 0.71 8.14 -51.93 -0.42 0.29 16 51 H 0.03 0.38 8.14 -51.93 -0.42 -0.04 16 52 H 0.03 0.44 8.14 -51.93 -0.42 0.01 16 53 H 0.08 1.17 8.14 -51.93 -0.42 0.75 16 LS Contribution 409.70 15.07 6.17 6.17 Total: -1.00 -34.18 409.70 -8.41 -42.60 By element: Atomic # 1 Polarization: 11.88 SS G_CDS: -8.38 Total: 3.51 kcal Atomic # 6 Polarization: 3.03 SS G_CDS: -1.04 Total: 1.99 kcal Atomic # 7 Polarization: -58.32 SS G_CDS: 0.54 Total: -57.78 kcal Atomic # 8 Polarization: -13.30 SS G_CDS: -0.69 Total: -13.98 kcal Atomic # 14 Polarization: 22.52 SS G_CDS: -5.02 Total: 17.50 kcal Total LS contribution 6.17 Total: 6.17 kcal Total: -34.18 -8.41 -42.60 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. ZINC001395982797.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 29.991 kcal (2) G-P(sol) polarization free energy of solvation -34.181 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -4.191 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.415 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.596 kcal (6) G-S(sol) free energy of system = (1) + (5) -12.605 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds