Wall clock time and date at job start Sat Apr 11 2020 06:12:54 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 1.52999 * 1 3 3 O 1.42902 * 109.47120 * 2 1 4 4 C 1.42899 * 113.99965 * 174.30621 * 3 2 1 5 5 H 1.08998 * 109.47563 * 3.39483 * 4 3 2 6 6 C 1.50705 * 109.47232 * 123.40025 * 4 3 2 7 7 O 1.21280 * 119.99690 * 20.11755 * 6 4 3 8 8 N 1.34777 * 119.99899 * 200.39932 * 6 4 3 9 9 C 1.46499 * 120.00056 * 355.30336 * 8 6 4 10 10 C 1.46496 * 119.99828 * 175.30550 * 8 6 4 11 11 H 1.08997 * 110.89099 * 359.29571 * 10 8 6 12 12 C 1.55154 * 111.00472 * 123.18195 * 10 8 6 13 13 C 1.54325 * 102.94604 * 153.57547 * 12 10 8 14 14 N 1.47023 * 107.26828 * 337.80453 * 13 12 10 15 15 C 1.36937 * 125.65038 * 178.97710 * 14 13 12 16 16 H 1.08000 * 120.00300 * 174.83092 * 15 14 13 17 17 C 1.38812 * 119.99869 * 354.83295 * 15 14 13 18 18 N 1.31621 * 119.99866 * 6.73158 * 17 15 14 19 19 Si 1.86800 * 120.00190 * 186.72724 * 17 15 14 20 20 H 1.48504 * 109.46965 * 94.98851 * 19 17 15 21 21 H 1.48493 * 109.47078 * 214.99001 * 19 17 15 22 22 H 1.48503 * 109.46923 * 334.99023 * 19 17 15 23 23 C 1.47473 * 108.72422 * 358.97475 * 14 13 12 24 24 C 1.52998 * 109.46875 * 243.39400 * 4 3 2 25 25 C 1.53179 * 109.54462 * 61.66173 * 24 4 3 26 26 C 1.53100 * 109.16160 * 183.24194 * 25 24 4 27 27 O 1.42898 * 109.48849 * 57.47336 * 26 25 24 28 28 C 1.42907 * 114.09900 * 298.89416 * 27 26 25 29 29 C 1.53084 * 109.41558 * 61.15446 * 28 27 26 30 30 H 1.09002 * 109.46769 * 180.02562 * 1 2 3 31 31 H 1.09007 * 109.46995 * 299.99631 * 1 2 3 32 32 H 1.08994 * 109.47370 * 59.99872 * 1 2 3 33 33 H 1.09007 * 109.46995 * 240.00369 * 2 1 3 34 34 H 1.09002 * 109.47591 * 119.99890 * 2 1 3 35 35 H 1.08999 * 109.47090 * 94.20050 * 9 8 6 36 36 H 1.08994 * 109.47067 * 214.20678 * 9 8 6 37 37 H 1.09005 * 109.47132 * 334.20263 * 9 8 6 38 38 H 1.08999 * 110.71644 * 271.93614 * 12 10 8 39 39 H 1.08999 * 110.72313 * 35.03198 * 12 10 8 40 40 H 1.08997 * 109.88383 * 97.21895 * 13 12 10 41 41 H 1.08994 * 109.88063 * 218.38807 * 13 12 10 42 42 H 0.97003 * 119.99716 * 180.02562 * 18 17 15 43 43 H 1.08996 * 110.35092 * 265.25424 * 23 14 13 44 44 H 1.09003 * 110.40549 * 142.91348 * 23 14 13 45 45 H 1.09002 * 109.54505 * 181.83769 * 24 4 3 46 46 H 1.08997 * 109.52219 * 303.06191 * 25 24 4 47 47 H 1.09004 * 109.52005 * 63.24569 * 25 24 4 48 48 H 1.09009 * 109.40436 * 297.49190 * 26 25 24 49 49 H 1.08998 * 109.49772 * 177.51339 * 26 25 24 50 50 H 1.09002 * 109.47783 * 301.17604 * 28 27 26 51 51 H 1.08993 * 109.48061 * 181.13999 * 28 27 26 52 52 H 1.09003 * 109.52661 * 182.48754 * 29 28 27 53 53 H 1.08999 * 109.58007 * 62.32826 * 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 1.5300 0.0000 0.0000 3 8 2.0063 1.3473 0.0000 4 6 3.4248 1.4623 0.1295 5 1 3.8702 0.4676 0.1433 6 6 3.9741 2.2426 -1.0369 7 8 3.2420 2.9601 -1.6851 8 7 5.2777 2.1389 -1.3630 9 6 6.1822 1.3494 -0.5235 10 6 5.7901 2.8156 -2.5570 11 1 4.9920 3.3470 -3.0752 12 6 6.9542 3.7756 -2.1957 13 6 7.7689 3.8391 -3.5048 14 7 7.4472 2.6308 -4.2782 15 6 7.9484 2.3167 -5.5132 16 1 7.7150 1.3636 -5.9643 17 6 8.7564 3.2234 -6.1855 18 7 9.1495 4.3263 -5.5842 19 14 9.2859 2.8783 -7.9433 20 1 8.3540 3.5528 -8.8824 21 1 10.6622 3.3938 -8.1559 22 1 9.2623 1.4139 -8.1889 23 6 6.4954 1.8127 -3.5039 24 6 3.7605 2.1895 1.4331 25 6 3.2390 1.3769 2.6222 26 6 3.5074 2.1505 3.9159 27 8 2.8855 3.4349 3.8411 28 6 3.3694 4.2564 2.7765 29 6 3.0935 3.5685 1.4371 30 1 -0.3633 -1.0277 0.0005 31 1 -0.3633 0.5138 0.8901 32 1 -0.3634 0.5138 -0.8899 33 1 1.8933 -0.5138 -0.8901 34 1 1.8934 -0.5138 0.8900 35 1 6.2573 0.3376 -0.9217 36 1 7.1692 1.8119 -0.5179 37 1 5.7932 1.3114 0.4941 38 1 6.5727 4.7616 -1.9307 39 1 7.5549 3.3651 -1.3840 40 1 7.4905 4.7273 -4.0720 41 1 8.8347 3.8609 -3.2774 42 1 9.7139 4.9601 -6.0541 43 1 7.0275 1.0563 -2.9271 44 1 5.7696 1.3434 -4.1681 45 1 4.8409 2.3068 1.5174 46 1 2.1667 1.2161 2.5112 47 1 3.7507 0.4151 2.6585 48 1 4.5825 2.2742 4.0475 49 1 3.0991 1.5976 4.7618 50 1 4.4426 4.4076 2.8932 51 1 2.8615 5.2204 2.8016 52 1 3.5011 4.1726 0.6265 53 1 2.0183 3.4533 1.3003 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 ZINC001715026184.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 06:12:54 Heat of formation + Delta-G solvation = -97.585380 kcal Electronic energy + Delta-G solvation = -31979.689151 eV Core-core repulsion = 27852.495273 eV Total energy + Delta-G solvation = -4127.193878 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.86 seconds Orbital eigenvalues (eV) -40.74778 -39.21032 -38.07093 -37.03961 -34.99436 -34.26308 -32.14627 -31.47205 -31.24187 -29.40224 -28.40169 -27.34565 -26.53717 -24.60968 -23.97552 -23.55222 -22.96141 -20.69773 -20.34661 -20.15235 -18.91494 -17.41106 -17.08438 -16.76753 -16.67070 -16.21164 -15.80813 -15.66396 -15.04587 -14.79708 -14.69938 -14.65017 -14.20320 -14.06567 -13.98935 -13.32398 -13.05325 -12.91688 -12.68039 -12.57133 -12.51821 -12.37361 -12.22413 -12.15013 -11.97088 -11.73539 -11.53312 -11.43127 -11.24538 -10.98775 -10.96079 -10.86765 -10.79028 -10.50984 -10.29951 -10.19704 -10.10139 -9.84213 -9.81114 -9.75357 -9.17114 -8.62247 -8.38262 -6.86847 -5.75127 -3.08228 2.64799 2.83217 3.39410 3.44714 3.46405 3.60265 3.64890 4.22356 4.33408 4.48319 4.50375 4.65780 4.71340 4.80235 4.84107 4.90387 4.99901 5.08581 5.11698 5.20637 5.22549 5.27997 5.33409 5.38820 5.40397 5.43495 5.46947 5.48696 5.56826 5.64886 5.65465 5.68734 5.72477 5.78704 5.85502 5.89904 5.95086 6.16660 6.21264 6.25754 6.46631 6.54445 6.65839 6.80783 6.95888 6.99718 7.50136 7.53848 7.59900 7.79203 8.21405 8.30945 9.18266 9.78422 10.43703 11.36785 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.017625 B = 0.002694 C = 0.002478 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1588.240073 B =10390.166389 C =11296.805044 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.150 4.150 2 C 0.052 3.948 3 O -0.350 6.350 4 C 0.083 3.917 5 H 0.084 0.916 6 C 0.504 3.496 7 O -0.519 6.519 8 N -0.601 5.601 9 C 0.067 3.933 10 C 0.124 3.876 11 H 0.106 0.894 12 C -0.152 4.152 13 C 0.179 3.821 14 N -0.603 5.603 15 C -0.230 4.230 16 H 0.078 0.922 17 C -0.006 4.006 18 N -0.919 5.919 19 Si 0.911 3.089 20 H -0.288 1.288 21 H -0.291 1.291 22 H -0.281 1.281 23 C 0.132 3.868 24 C -0.096 4.096 25 C -0.150 4.150 26 C 0.063 3.937 27 O -0.383 6.383 28 C 0.062 3.938 29 C -0.146 4.146 30 H 0.070 0.930 31 H 0.063 0.937 32 H 0.065 0.935 33 H 0.049 0.951 34 H 0.049 0.951 35 H 0.058 0.942 36 H 0.080 0.920 37 H 0.069 0.931 38 H 0.062 0.938 39 H 0.060 0.940 40 H 0.051 0.949 41 H 0.043 0.957 42 H 0.253 0.747 43 H 0.021 0.979 44 H 0.040 0.960 45 H 0.087 0.913 46 H 0.080 0.920 47 H 0.072 0.928 48 H 0.049 0.951 49 H 0.093 0.907 50 H 0.049 0.951 51 H 0.095 0.905 52 H 0.076 0.924 53 H 0.085 0.915 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -11.661 -8.210 20.639 25.086 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 -0.207 4.207 2 C -0.024 4.024 3 O -0.267 6.267 4 C 0.021 3.979 5 H 0.102 0.898 6 C 0.290 3.710 7 O -0.394 6.394 8 N -0.335 5.335 9 C -0.076 4.076 10 C 0.020 3.980 11 H 0.124 0.876 12 C -0.191 4.191 13 C 0.054 3.946 14 N -0.330 5.330 15 C -0.359 4.359 16 H 0.096 0.904 17 C -0.202 4.202 18 N -0.566 5.566 19 Si 0.742 3.258 20 H -0.215 1.215 21 H -0.217 1.217 22 H -0.206 1.206 23 C 0.004 3.996 24 C -0.115 4.115 25 C -0.188 4.188 26 C -0.014 4.014 27 O -0.302 6.302 28 C -0.015 4.015 29 C -0.183 4.183 30 H 0.089 0.911 31 H 0.082 0.918 32 H 0.084 0.916 33 H 0.067 0.933 34 H 0.067 0.933 35 H 0.077 0.923 36 H 0.099 0.901 37 H 0.087 0.913 38 H 0.081 0.919 39 H 0.079 0.921 40 H 0.069 0.931 41 H 0.061 0.939 42 H 0.063 0.937 43 H 0.038 0.962 44 H 0.059 0.941 45 H 0.105 0.895 46 H 0.099 0.901 47 H 0.090 0.910 48 H 0.068 0.932 49 H 0.111 0.889 50 H 0.067 0.933 51 H 0.113 0.887 52 H 0.095 0.905 53 H 0.103 0.897 Dipole moment (debyes) X Y Z Total from point charges -12.190 -7.508 20.231 24.784 hybrid contribution 0.906 -0.592 -1.197 1.614 sum -11.284 -8.099 19.034 23.563 Atomic orbital electron populations 1.21719 0.93425 1.02159 1.03401 1.22667 0.96037 0.83746 0.99982 1.88045 1.18596 1.26080 1.94022 1.21969 0.83749 0.99071 0.93127 0.89799 1.20693 0.81951 0.82856 0.85495 1.90706 1.57436 1.38494 1.52718 1.47827 1.07908 1.50882 1.26903 1.21941 0.95590 0.96045 0.94021 1.22459 0.96662 0.94265 0.84582 0.87594 1.23234 0.96961 0.98453 1.00489 1.21150 0.96343 0.90409 0.86692 1.44393 1.49723 1.21072 1.17776 1.19047 1.24885 1.00542 0.91377 0.90386 1.24831 1.00142 0.96699 0.98551 1.69970 1.39242 1.11661 1.35760 0.86108 0.77602 0.77489 0.84622 1.21539 1.21736 1.20625 1.21745 0.91922 0.93003 0.92881 1.21573 1.00631 0.96375 0.92907 1.22245 1.03147 0.98708 0.94663 1.22529 0.97296 0.84388 0.97198 1.87931 1.64443 1.26548 1.51274 1.22615 0.98757 0.94005 0.86121 1.22139 1.03141 0.95114 0.97950 0.91125 0.91823 0.91562 0.93289 0.93263 0.92342 0.90112 0.91282 0.91919 0.92108 0.93117 0.93866 0.93681 0.96154 0.94141 0.89484 0.90105 0.90958 0.93230 0.88892 0.93257 0.88725 0.90514 0.89669 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 -1.22 10.28 37.16 0.38 -0.84 16 2 C 0.05 0.48 6.22 37.16 0.23 0.71 16 3 O -0.35 -4.36 8.15 -54.29 -0.44 -4.80 16 4 C 0.08 0.94 1.53 -27.88 -0.04 0.89 16 5 H 0.08 0.76 6.80 -51.93 -0.35 0.41 16 6 C 0.50 7.72 5.90 -10.98 -0.06 7.66 16 7 O -0.52 -10.21 15.82 -13.50 -0.21 -10.42 16 8 N -0.60 -8.85 2.91 -171.48 -0.50 -9.35 16 9 C 0.07 0.72 8.76 59.85 0.52 1.25 16 10 C 0.12 2.29 3.45 -65.78 -0.23 2.07 16 11 H 0.11 2.24 7.02 -51.93 -0.36 1.87 16 12 C -0.15 -2.83 6.52 -24.90 -0.16 -3.00 16 13 C 0.18 4.32 5.38 -3.06 -0.02 4.30 16 14 N -0.60 -15.40 3.40 -170.03 -0.58 -15.98 16 15 C -0.23 -6.44 10.27 -15.06 -0.15 -6.59 16 16 H 0.08 2.11 7.84 -52.49 -0.41 1.70 16 17 C -0.01 -0.16 5.48 -17.43 -0.10 -0.26 16 18 N -0.92 -26.92 10.36 55.49 0.57 -26.35 16 19 Si 0.91 22.12 29.56 -169.99 -5.02 17.10 16 20 H -0.29 -7.03 7.11 56.52 0.40 -6.63 16 21 H -0.29 -7.09 7.11 56.52 0.40 -6.69 16 22 H -0.28 -6.61 7.11 56.52 0.40 -6.21 16 23 C 0.13 2.75 6.81 -2.50 -0.02 2.73 16 24 C -0.10 -0.92 1.83 -90.43 -0.17 -1.08 16 25 C -0.15 -1.14 5.32 -26.59 -0.14 -1.28 16 26 C 0.06 0.48 6.84 37.21 0.25 0.74 16 27 O -0.38 -4.02 10.77 -35.23 -0.38 -4.40 16 28 C 0.06 0.60 6.84 37.20 0.25 0.85 16 29 C -0.15 -1.63 5.02 -26.59 -0.13 -1.77 16 30 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 31 H 0.06 0.51 8.14 -51.93 -0.42 0.09 16 32 H 0.07 0.62 8.14 -51.93 -0.42 0.19 16 33 H 0.05 0.46 8.14 -51.93 -0.42 0.04 16 34 H 0.05 0.35 8.06 -51.93 -0.42 -0.07 16 35 H 0.06 0.58 7.93 -51.93 -0.41 0.17 16 36 H 0.08 0.90 6.19 -51.93 -0.32 0.58 16 37 H 0.07 0.55 4.54 -51.93 -0.24 0.31 16 38 H 0.06 1.11 8.14 -51.93 -0.42 0.69 16 39 H 0.06 1.01 6.17 -51.93 -0.32 0.69 16 40 H 0.05 1.37 7.29 -51.93 -0.38 0.99 16 41 H 0.04 1.13 7.61 -51.93 -0.40 0.74 16 42 H 0.25 7.19 8.31 -40.82 -0.34 6.85 16 43 H 0.02 0.41 7.00 -51.93 -0.36 0.04 16 44 H 0.04 0.86 8.14 -51.93 -0.42 0.44 16 45 H 0.09 0.75 6.14 -51.93 -0.32 0.43 16 46 H 0.08 0.70 7.47 -51.93 -0.39 0.31 16 47 H 0.07 0.41 8.14 -51.93 -0.42 -0.02 16 48 H 0.05 0.33 8.14 -51.92 -0.42 -0.09 16 49 H 0.09 0.57 8.14 -51.93 -0.42 0.15 16 50 H 0.05 0.44 8.14 -51.93 -0.42 0.01 16 51 H 0.09 0.85 8.14 -51.93 -0.42 0.43 16 52 H 0.08 1.01 7.26 -51.93 -0.38 0.63 16 53 H 0.08 1.09 7.54 -51.93 -0.39 0.70 16 LS Contribution 401.47 15.07 6.05 6.05 Total: -1.00 -33.68 401.47 -9.32 -43.01 By element: Atomic # 1 Polarization: 8.00 SS G_CDS: -9.24 Total: -1.24 kcal Atomic # 6 Polarization: 5.96 SS G_CDS: 0.43 Total: 6.39 kcal Atomic # 7 Polarization: -51.18 SS G_CDS: -0.50 Total: -51.68 kcal Atomic # 8 Polarization: -18.58 SS G_CDS: -1.04 Total: -19.62 kcal Atomic # 14 Polarization: 22.12 SS G_CDS: -5.02 Total: 17.10 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -33.68 -9.32 -43.01 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. ZINC001715026184.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 -54.579 kcal (2) G-P(sol) polarization free energy of solvation -33.685 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -88.263 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.322 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.007 kcal (6) G-S(sol) free energy of system = (1) + (5) -97.585 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.87 seconds