Wall clock time and date at job start Tue Mar 31 2020 19:55:43 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 1.31001 * 1 3 3 C 1.50700 * 119.99831 * 2 1 4 4 C 1.53004 * 109.47015 * 120.41095 * 3 2 1 5 5 C 1.50703 * 109.54333 * 305.99072 * 4 3 2 6 6 O 1.21274 * 120.00613 * 122.06375 * 5 4 3 7 7 N 1.34786 * 119.99661 * 302.06156 * 5 4 3 8 8 C 1.47019 * 125.64829 * 354.61599 * 7 5 4 9 9 C 1.54327 * 107.27164 * 181.09678 * 8 7 5 10 10 C 1.55154 * 102.94136 * 22.18942 * 9 8 7 11 11 H 1.09004 * 111.00054 * 82.57148 * 10 9 8 12 12 C 1.52997 * 111.00576 * 206.42539 * 10 9 8 13 13 H 1.08995 * 109.47261 * 64.66576 * 12 10 9 14 14 C 1.52995 * 109.47029 * 304.66381 * 12 10 9 15 15 N 1.46506 * 109.47026 * 184.66661 * 12 10 9 16 16 C 1.36943 * 119.99768 * 205.00016 * 15 12 10 17 17 H 1.07992 * 119.99801 * 359.97438 * 16 15 12 18 18 C 1.38813 * 119.99885 * 180.02562 * 16 15 12 19 19 N 1.31627 * 119.99756 * 359.97438 * 18 16 15 20 20 Si 1.86799 * 119.99910 * 179.97438 * 18 16 15 21 21 H 1.48499 * 109.46950 * 359.97438 * 20 18 16 22 22 H 1.48503 * 109.46888 * 120.00028 * 20 18 16 23 23 H 1.48492 * 109.46761 * 239.99865 * 20 18 16 24 24 C 1.47423 * 125.64667 * 174.65715 * 7 5 4 25 25 C 1.53171 * 109.54286 * 66.16369 * 4 3 2 26 26 C 1.53288 * 109.06358 * 176.85448 * 25 4 3 27 27 O 1.42908 * 109.45917 * 302.44552 * 26 25 4 28 28 C 1.42901 * 114.09702 * 61.15786 * 27 26 25 29 29 C 1.53095 * 109.41485 * 298.84385 * 28 27 26 30 30 H 1.07995 * 119.99953 * 359.97438 * 1 2 3 31 31 H 1.08005 * 119.99722 * 179.97438 * 1 2 3 32 32 H 1.08003 * 120.00232 * 180.02562 * 2 1 3 33 33 H 1.08997 * 109.47403 * 0.41455 * 3 2 1 34 34 H 1.08998 * 109.47535 * 240.40837 * 3 2 1 35 35 H 1.08999 * 109.88302 * 61.68060 * 8 7 5 36 36 H 1.09004 * 110.01333 * 300.58659 * 8 7 5 37 37 H 1.08992 * 110.72357 * 140.55560 * 9 8 7 38 38 H 1.08998 * 110.71812 * 263.82999 * 9 8 7 39 39 H 1.08999 * 109.47041 * 65.05466 * 14 12 10 40 40 H 1.08998 * 109.47159 * 185.05227 * 14 12 10 41 41 H 1.09006 * 109.47425 * 305.05442 * 14 12 10 42 42 H 0.97001 * 120.00112 * 24.99674 * 15 12 10 43 43 H 0.97001 * 119.99326 * 180.02562 * 19 18 16 44 44 H 1.09000 * 110.36877 * 274.67320 * 24 7 5 45 45 H 1.09007 * 110.36362 * 36.89063 * 24 7 5 46 46 H 1.08994 * 109.52730 * 296.84092 * 25 4 3 47 47 H 1.09000 * 109.52462 * 57.03494 * 25 4 3 48 48 H 1.08996 * 109.45802 * 182.45292 * 26 25 4 49 49 H 1.08998 * 109.45927 * 62.44339 * 26 25 4 50 50 H 1.09002 * 109.48139 * 178.85708 * 28 27 26 51 51 H 1.09003 * 109.48277 * 58.82173 * 28 27 26 52 52 H 1.09002 * 109.51895 * 297.70178 * 29 28 27 53 53 H 1.08999 * 109.57573 * 177.54726 * 29 28 27 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 1.3100 0.0000 0.0000 3 6 2.0635 1.3051 0.0000 4 6 2.9508 1.3817 1.2441 5 6 2.1135 1.1506 2.4756 6 8 2.3860 0.2433 3.2327 7 7 1.0617 1.9523 2.7355 8 6 0.6870 3.1497 1.9692 9 6 -0.5592 3.7566 2.6477 10 6 -0.4809 3.1890 4.0895 11 1 0.1942 3.7818 4.7066 12 6 -1.8711 3.1081 4.7233 13 1 -2.4803 2.3914 4.1726 14 6 -2.5349 4.4856 4.6742 15 7 -1.7478 2.6748 6.1173 16 6 -2.7964 2.0462 6.7343 17 1 -3.7143 1.8703 6.1933 18 6 -2.6798 1.6362 8.0553 19 7 -1.5611 1.8511 8.7148 20 14 -4.1104 0.7794 8.8971 21 1 -5.2446 0.6598 7.9460 22 1 -3.6873 -0.5745 9.3366 23 1 -4.5368 1.5724 10.0779 24 6 0.0969 1.7742 3.8359 25 6 4.0444 0.3125 1.1600 26 6 4.9732 0.4500 2.3717 27 8 5.5249 1.7679 2.4016 28 6 4.5503 2.8056 2.5262 29 6 3.6060 2.7641 1.3219 30 1 -0.5400 0.9353 0.0004 31 1 -0.5400 -0.9354 -0.0004 32 1 1.8501 -0.9353 -0.0004 33 1 1.3552 2.1336 0.0074 34 1 2.6846 1.3661 -0.8936 35 1 0.4520 2.8735 0.9413 36 1 1.5041 3.8712 1.9814 37 1 -0.5011 4.8450 2.6580 38 1 -1.4699 3.4226 2.1507 39 1 -2.7082 4.7686 3.6359 40 1 -3.4864 4.4496 5.2046 41 1 -1.8829 5.2202 5.1470 42 1 -0.9234 2.8331 6.6033 43 1 -1.4795 1.5642 9.6378 44 1 -0.6962 1.0884 3.5378 45 1 0.6027 1.4037 4.7276 46 1 3.5873 -0.6769 1.1593 47 1 4.6188 0.4501 0.2439 48 1 5.7793 -0.2798 2.2960 49 1 4.4064 0.2723 3.2856 50 1 5.0517 3.7728 2.5618 51 1 3.9780 2.6588 3.4421 52 1 4.1714 2.9511 0.4090 53 1 2.8353 3.5265 1.4357 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) 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 ZINC001699954626.mol2 53 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 19:55:43 Heat of formation + Delta-G solvation = -44.807546 kcal Electronic energy + Delta-G solvation = -31641.075150 eV Core-core repulsion = 27706.625942 eV Total energy + Delta-G solvation = -3934.449208 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.87 seconds Orbital eigenvalues (eV) -41.28709 -38.88237 -37.46533 -36.16891 -35.17626 -33.08165 -32.47462 -31.24190 -30.45667 -28.79397 -28.23469 -27.69039 -24.65057 -24.14262 -23.77652 -22.93708 -21.63741 -21.11835 -19.99219 -19.65952 -18.82705 -17.11418 -16.67091 -16.48785 -16.19590 -16.01164 -15.47540 -15.19281 -14.78494 -14.51825 -14.47525 -14.11103 -13.92957 -13.68169 -13.33156 -13.28307 -13.04026 -12.82370 -12.59550 -12.50519 -12.30618 -12.21273 -11.98674 -11.74390 -11.55150 -11.51461 -11.38499 -11.24638 -10.89112 -10.78787 -10.63634 -10.62763 -10.52836 -10.42118 -10.18100 -9.88855 -9.73890 -9.64401 -9.57079 -9.23888 -8.91641 -8.46440 -6.96189 -5.75960 -3.04961 2.11819 2.68782 3.04455 3.43740 3.49115 3.51606 3.79474 4.19178 4.25320 4.50488 4.57267 4.64389 4.68217 4.71220 4.81390 4.91126 4.99046 5.03888 5.12169 5.15998 5.29918 5.32588 5.41716 5.46331 5.50021 5.54956 5.58979 5.63501 5.66486 5.69542 5.76247 5.84605 5.86834 5.89945 5.91632 5.92576 6.03490 6.05605 6.14790 6.29972 6.36796 6.39850 6.46434 6.52717 6.58628 6.62253 6.84213 7.05728 7.11639 7.64021 7.70779 8.25997 8.42146 9.53616 10.10449 10.44676 11.46641 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.014036 B = 0.003187 C = 0.003060 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1994.368095 B = 8783.370409 C = 9147.119449 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.179 4.179 2 C -0.162 4.162 3 C -0.089 4.089 4 C -0.070 4.070 5 C 0.541 3.459 6 O -0.534 6.534 7 N -0.611 5.611 8 C 0.087 3.913 9 C -0.125 4.125 10 C -0.100 4.100 11 H 0.081 0.919 12 C 0.185 3.815 13 H 0.048 0.952 14 C -0.164 4.164 15 N -0.724 5.724 16 C -0.238 4.238 17 H 0.070 0.930 18 C -0.012 4.012 19 N -0.931 5.931 20 Si 0.904 3.096 21 H -0.281 1.281 22 H -0.292 1.292 23 H -0.292 1.292 24 C 0.119 3.881 25 C -0.126 4.126 26 C 0.046 3.954 27 O -0.384 6.384 28 C 0.059 3.941 29 C -0.157 4.157 30 H 0.096 0.904 31 H 0.097 0.903 32 H 0.109 0.891 33 H 0.082 0.918 34 H 0.081 0.919 35 H 0.071 0.929 36 H 0.072 0.928 37 H 0.081 0.919 38 H 0.077 0.923 39 H 0.037 0.963 40 H 0.054 0.946 41 H 0.044 0.956 42 H 0.383 0.617 43 H 0.254 0.746 44 H 0.068 0.932 45 H 0.082 0.918 46 H 0.081 0.919 47 H 0.074 0.926 48 H 0.090 0.910 49 H 0.080 0.920 50 H 0.095 0.905 51 H 0.051 0.949 52 H 0.083 0.917 53 H 0.089 0.911 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 9.601 3.568 -21.915 24.190 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 -0.215 4.215 2 C -0.180 4.180 3 C -0.126 4.126 4 C -0.073 4.073 5 C 0.329 3.671 6 O -0.411 6.411 7 N -0.345 5.345 8 C -0.036 4.036 9 C -0.163 4.163 10 C -0.120 4.120 11 H 0.099 0.901 12 C 0.075 3.925 13 H 0.066 0.934 14 C -0.224 4.224 15 N -0.365 5.365 16 C -0.369 4.369 17 H 0.088 0.912 18 C -0.208 4.208 19 N -0.579 5.579 20 Si 0.735 3.265 21 H -0.206 1.206 22 H -0.219 1.219 23 H -0.219 1.219 24 C -0.003 4.003 25 C -0.164 4.164 26 C -0.030 4.030 27 O -0.303 6.303 28 C -0.018 4.018 29 C -0.194 4.194 30 H 0.114 0.886 31 H 0.116 0.884 32 H 0.127 0.873 33 H 0.100 0.900 34 H 0.100 0.900 35 H 0.089 0.911 36 H 0.090 0.910 37 H 0.099 0.901 38 H 0.096 0.904 39 H 0.056 0.944 40 H 0.074 0.926 41 H 0.063 0.937 42 H 0.217 0.783 43 H 0.064 0.936 44 H 0.086 0.914 45 H 0.101 0.899 46 H 0.099 0.901 47 H 0.093 0.907 48 H 0.108 0.892 49 H 0.098 0.902 50 H 0.114 0.886 51 H 0.069 0.931 52 H 0.101 0.899 53 H 0.107 0.893 Dipole moment (debyes) X Y Z Total from point charges 9.847 2.957 -21.476 23.810 hybrid contribution -0.937 -0.462 0.706 1.261 sum 8.910 2.495 -20.770 22.738 Atomic orbital electron populations 1.23843 0.95839 1.01952 0.99904 1.22845 0.96076 0.98196 1.00886 1.21008 0.98452 0.96734 0.96382 1.20826 0.95302 0.97458 0.93748 1.19970 0.79555 0.81224 0.86357 1.90662 1.69064 1.32028 1.49388 1.48479 1.27712 1.26979 1.31318 1.22538 0.97858 0.87361 0.95830 1.22702 0.96854 1.00641 0.96121 1.22655 0.99251 0.95031 0.95062 0.90083 1.20136 0.91212 0.93914 0.87268 0.93408 1.22451 1.01563 0.99408 0.98994 1.42435 1.16721 1.69861 1.07517 1.19244 0.93797 1.29604 0.94297 0.91193 1.24725 0.97218 1.01857 0.96997 1.69672 1.25225 1.52391 1.10644 0.86164 0.81720 0.79101 0.79485 1.20592 1.21890 1.21927 1.22272 0.90938 0.97422 0.89628 1.22071 0.95875 0.98800 0.99695 1.22920 0.97358 0.83849 0.98866 1.87885 1.32998 1.14933 1.94483 1.22548 0.91038 0.91718 0.96507 1.22542 1.00067 0.95890 1.00905 0.88615 0.88447 0.87316 0.89965 0.90031 0.91094 0.91041 0.90066 0.90398 0.94404 0.92648 0.93653 0.78295 0.93571 0.91364 0.89930 0.90091 0.90709 0.89189 0.90225 0.88641 0.93092 0.89879 0.89329 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 -0.18 -1.78 14.32 29.01 0.42 -1.37 16 2 C -0.16 -1.60 8.03 -36.03 -0.29 -1.89 16 3 C -0.09 -0.76 4.47 -27.88 -0.12 -0.88 16 4 C -0.07 -0.73 0.28 -155.48 -0.04 -0.78 16 5 C 0.54 7.67 4.33 -10.98 -0.05 7.62 16 6 O -0.53 -9.77 14.01 5.56 0.08 -9.69 16 7 N -0.61 -8.15 3.31 -170.51 -0.56 -8.72 16 8 C 0.09 0.85 5.39 -3.06 -0.02 0.83 16 9 C -0.12 -1.32 5.17 -24.90 -0.13 -1.45 16 10 C -0.10 -1.49 2.69 -88.47 -0.24 -1.73 16 11 H 0.08 1.28 8.14 -51.93 -0.42 0.86 16 12 C 0.19 3.38 2.49 -67.93 -0.17 3.22 16 13 H 0.05 0.91 7.91 -51.93 -0.41 0.49 16 14 C -0.16 -2.71 9.09 37.15 0.34 -2.37 16 15 N -0.72 -17.43 5.06 -53.43 -0.27 -17.70 16 16 C -0.24 -6.47 9.93 -15.06 -0.15 -6.62 16 17 H 0.07 1.85 7.83 -52.49 -0.41 1.44 16 18 C -0.01 -0.34 5.50 -17.43 -0.10 -0.43 16 19 N -0.93 -28.12 13.06 55.49 0.72 -27.39 16 20 Si 0.90 22.41 29.55 -169.99 -5.02 17.39 16 21 H -0.28 -6.71 7.11 56.52 0.40 -6.31 16 22 H -0.29 -7.33 7.11 56.52 0.40 -6.93 16 23 H -0.29 -7.28 7.11 56.52 0.40 -6.88 16 24 C 0.12 1.95 6.35 -2.53 -0.02 1.93 16 25 C -0.13 -1.35 4.36 -26.49 -0.12 -1.46 16 26 C 0.05 0.57 6.56 37.31 0.24 0.82 16 27 O -0.38 -4.94 10.77 -35.23 -0.38 -5.32 16 28 C 0.06 0.65 6.62 37.21 0.25 0.90 16 29 C -0.16 -1.41 4.78 -26.59 -0.13 -1.53 16 30 H 0.10 0.89 7.73 -52.49 -0.41 0.48 16 31 H 0.10 0.95 8.06 -52.48 -0.42 0.52 16 32 H 0.11 1.08 7.23 -52.48 -0.38 0.70 16 33 H 0.08 0.63 4.32 -51.93 -0.22 0.41 16 34 H 0.08 0.57 8.14 -51.93 -0.42 0.15 16 35 H 0.07 0.58 5.21 -51.93 -0.27 0.31 16 36 H 0.07 0.60 5.45 -51.93 -0.28 0.31 16 37 H 0.08 0.74 8.14 -51.93 -0.42 0.31 16 38 H 0.08 0.79 8.02 -51.93 -0.42 0.37 16 39 H 0.04 0.50 7.35 -51.93 -0.38 0.12 16 40 H 0.05 1.03 8.14 -51.93 -0.42 0.60 16 41 H 0.04 0.75 8.14 -51.93 -0.42 0.32 16 42 H 0.38 9.98 7.80 -40.82 -0.32 9.66 16 43 H 0.25 7.47 8.31 -40.82 -0.34 7.13 16 44 H 0.07 1.18 7.91 -51.93 -0.41 0.77 16 45 H 0.08 1.64 7.98 -51.92 -0.41 1.23 16 46 H 0.08 0.90 6.92 -51.93 -0.36 0.54 16 47 H 0.07 0.67 8.14 -51.93 -0.42 0.24 16 48 H 0.09 0.96 8.14 -51.93 -0.42 0.53 16 49 H 0.08 1.21 5.74 -51.93 -0.30 0.91 16 50 H 0.10 0.86 8.14 -51.93 -0.42 0.44 16 51 H 0.05 0.67 7.38 -51.93 -0.38 0.29 16 52 H 0.08 0.63 8.14 -51.93 -0.42 0.21 16 53 H 0.09 0.69 4.39 -51.93 -0.23 0.46 16 LS Contribution 396.23 15.07 5.97 5.97 Total: -1.00 -32.24 396.23 -8.74 -40.98 By element: Atomic # 1 Polarization: 18.66 SS G_CDS: -8.96 Total: 9.70 kcal Atomic # 6 Polarization: -4.89 SS G_CDS: -0.32 Total: -5.21 kcal Atomic # 7 Polarization: -53.71 SS G_CDS: -0.11 Total: -53.82 kcal Atomic # 8 Polarization: -14.71 SS G_CDS: -0.30 Total: -15.01 kcal Atomic # 14 Polarization: 22.41 SS G_CDS: -5.02 Total: 17.39 kcal Total LS contribution 5.97 Total: 5.97 kcal Total: -32.24 -8.74 -40.98 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. ZINC001699954626.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 -3.831 kcal (2) G-P(sol) polarization free energy of solvation -32.238 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -36.069 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.738 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.976 kcal (6) G-S(sol) free energy of system = (1) + (5) -44.808 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.87 seconds