Wall clock time and date at job start Sat Apr 11 2020 06:11:03 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 1.52995 * 1 3 3 O 1.42896 * 109.47242 * 2 1 4 4 C 1.42901 * 114.00075 * 179.97438 * 3 2 1 5 5 H 1.09007 * 109.46949 * 30.00921 * 4 3 2 6 6 C 1.50699 * 109.47797 * 270.00838 * 4 3 2 7 7 O 1.21285 * 119.99488 * 347.78946 * 6 4 3 8 8 N 1.34777 * 120.00239 * 167.79114 * 6 4 3 9 9 C 1.47021 * 125.64726 * 4.67040 * 8 6 4 10 10 C 1.54326 * 107.26927 * 181.02246 * 9 8 6 11 11 C 1.55151 * 102.94355 * 22.19292 * 10 9 8 12 12 H 1.09000 * 111.01004 * 82.56986 * 11 10 9 13 13 C 1.52997 * 111.00677 * 206.38647 * 11 10 9 14 14 N 1.46501 * 109.47321 * 293.54574 * 13 11 10 15 15 C 1.36934 * 120.00508 * 179.97438 * 14 13 11 16 16 H 1.08004 * 119.99460 * 0.02562 * 15 14 13 17 17 C 1.38814 * 120.00048 * 179.97438 * 15 14 13 18 18 N 1.31614 * 119.99757 * 0.02562 * 17 15 14 19 19 Si 1.86796 * 119.99654 * 180.02562 * 17 15 14 20 20 H 1.48501 * 109.47223 * 90.00734 * 19 17 15 21 21 H 1.48504 * 109.46891 * 210.00140 * 19 17 15 22 22 H 1.48501 * 109.47345 * 330.00092 * 19 17 15 23 23 C 1.47415 * 125.64651 * 184.36102 * 8 6 4 24 24 C 1.52999 * 109.46958 * 150.00486 * 4 3 2 25 25 C 1.53181 * 109.54598 * 53.86700 * 24 4 3 26 26 C 1.53084 * 109.16558 * 183.15113 * 25 24 4 27 27 O 1.42903 * 109.41348 * 57.60790 * 26 25 24 28 28 C 1.42899 * 114.10205 * 298.83772 * 27 26 25 29 29 C 1.53096 * 109.41202 * 61.16156 * 28 27 26 30 30 H 1.08998 * 109.47305 * 179.97438 * 1 2 3 31 31 H 1.09007 * 109.46795 * 299.99559 * 1 2 3 32 32 H 1.09000 * 109.47549 * 59.99358 * 1 2 3 33 33 H 1.09007 * 109.46795 * 240.00441 * 2 1 3 34 34 H 1.08994 * 109.47104 * 120.00700 * 2 1 3 35 35 H 1.08999 * 109.88307 * 300.43808 * 9 8 6 36 36 H 1.08997 * 109.88050 * 61.45015 * 9 8 6 37 37 H 1.08999 * 110.71837 * 140.55709 * 10 9 8 38 38 H 1.09003 * 110.71844 * 263.83000 * 10 9 8 39 39 H 1.09008 * 109.46995 * 53.54459 * 13 11 10 40 40 H 1.08997 * 109.47246 * 173.54501 * 13 11 10 41 41 H 0.97001 * 119.99510 * 0.02562 * 14 13 11 42 42 H 0.97003 * 119.99406 * 179.97438 * 18 17 15 43 43 H 1.09001 * 110.37194 * 274.74732 * 23 8 6 44 44 H 1.08999 * 110.36985 * 37.06963 * 23 8 6 45 45 H 1.09001 * 109.54305 * 174.13367 * 24 4 3 46 46 H 1.09000 * 109.51819 * 303.05844 * 25 24 4 47 47 H 1.09006 * 109.51885 * 63.24311 * 25 24 4 48 48 H 1.08997 * 109.48287 * 297.62501 * 26 25 24 49 49 H 1.09003 * 109.48278 * 177.58960 * 26 25 24 50 50 H 1.08990 * 109.48226 * 301.18182 * 28 27 26 51 51 H 1.08998 * 109.48059 * 181.13597 * 28 27 26 52 52 H 1.09000 * 109.52695 * 182.48867 * 29 28 27 53 53 H 1.09000 * 109.57446 * 62.32203 * 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 1.5299 0.0000 0.0000 3 8 2.0063 1.3472 0.0000 4 6 3.4308 1.4600 0.0006 5 1 3.8635 0.6015 -0.5131 6 6 3.9312 1.4997 1.4215 7 8 3.1500 1.6607 2.3352 8 7 5.2467 1.3563 1.6770 9 6 6.3095 1.2521 0.6665 10 6 7.6438 1.0755 1.4214 11 6 7.1930 0.5228 2.7993 12 1 7.0291 -0.5538 2.7539 13 6 8.2069 0.8746 3.8897 14 7 9.4640 0.1670 3.6344 15 6 10.5255 0.3285 4.4842 16 1 10.4358 0.9772 5.3431 17 6 11.7165 -0.3425 4.2424 18 7 11.8255 -1.1333 3.1961 19 14 13.1642 -0.1228 5.4022 20 1 13.0960 -1.1440 6.4782 21 1 14.4325 -0.2839 4.6467 22 1 13.1152 1.2341 6.0037 23 6 5.8590 1.2844 3.0161 24 6 3.8409 2.7456 -0.7206 25 6 3.1124 3.9390 -0.0947 26 6 3.4678 5.2088 -0.8723 27 8 3.1148 5.0388 -2.2465 28 6 3.8007 3.9670 -2.8969 29 6 3.4586 2.6472 -2.2007 30 1 -0.3634 -1.0276 -0.0005 31 1 -0.3633 0.5138 0.8901 32 1 -0.3634 0.5139 -0.8899 33 1 1.8932 -0.5138 -0.8901 34 1 1.8933 -0.5139 0.8899 35 1 6.1288 0.3888 0.0262 36 1 6.3389 2.1603 0.0645 37 1 8.2847 0.3579 0.9091 38 1 8.1511 2.0333 1.5373 39 1 8.3876 1.9496 3.8847 40 1 7.8134 0.5769 4.8616 41 1 9.5447 -0.4153 2.8628 42 1 12.6579 -1.6019 3.0270 43 1 6.0497 2.2864 3.4004 44 1 5.2138 0.7318 3.6991 45 1 4.9180 2.8864 -0.6308 46 1 2.0361 3.7732 -0.1402 47 1 3.4213 4.0498 0.9448 48 1 4.5386 5.3962 -0.7926 49 1 2.9189 6.0545 -0.4579 50 1 4.8757 4.1380 -2.8437 51 1 3.4914 3.9180 -3.9409 52 1 4.0150 1.8342 -2.6673 53 1 2.3894 2.4543 -2.2886 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 ZINC001567132499.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 06:11:03 Heat of formation + Delta-G solvation = -124.713036 kcal Electronic energy + Delta-G solvation = -31243.426973 eV Core-core repulsion = 27115.056751 eV Total energy + Delta-G solvation = -4128.370222 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.67 seconds Orbital eigenvalues (eV) -40.82712 -39.34655 -38.32839 -37.12937 -34.89651 -34.47308 -32.26845 -31.43199 -31.31458 -30.31469 -29.32639 -28.03940 -25.45065 -24.09721 -23.86117 -23.05457 -22.70698 -22.43624 -20.38631 -20.08884 -19.50818 -17.57282 -17.15004 -17.07518 -16.64021 -16.20423 -16.04515 -15.66046 -15.29332 -15.03603 -14.74260 -14.66050 -14.34120 -14.05987 -13.74781 -13.65665 -13.49902 -13.15422 -12.87967 -12.74073 -12.66312 -12.58088 -12.49631 -12.20885 -12.07667 -11.71244 -11.57850 -11.54208 -11.38023 -11.19882 -11.01812 -10.89314 -10.72395 -10.60282 -10.51022 -10.47731 -10.40281 -10.08332 -9.86564 -9.74807 -9.33395 -8.92621 -8.68960 -6.98005 -5.81897 -3.10546 2.46530 2.74938 3.38528 3.40645 3.46187 3.47417 3.61283 4.12807 4.26755 4.40127 4.50819 4.57472 4.66854 4.66969 4.76037 4.79150 4.86153 4.91164 4.97880 5.05368 5.08933 5.11962 5.19786 5.22884 5.29577 5.33669 5.39193 5.41903 5.48016 5.52079 5.57532 5.59179 5.66600 5.74700 5.82315 5.85884 5.88168 5.95703 5.97439 6.05836 6.12786 6.14381 6.32677 6.37068 6.66309 6.78251 6.79397 6.92080 7.43303 7.65897 8.06799 8.37084 9.48669 10.05020 10.40018 11.41023 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015452 B = 0.002354 C = 0.002187 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1811.612801 B =11894.169024 C =12800.414571 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.148 4.148 2 C 0.054 3.946 3 O -0.350 6.350 4 C 0.087 3.913 5 H 0.083 0.917 6 C 0.505 3.495 7 O -0.526 6.526 8 N -0.615 5.615 9 C 0.094 3.906 10 C -0.120 4.120 11 C -0.105 4.105 12 H 0.084 0.916 13 C 0.164 3.836 14 N -0.731 5.731 15 C -0.240 4.240 16 H 0.070 0.930 17 C -0.013 4.013 18 N -0.934 5.934 19 Si 0.907 3.093 20 H -0.290 1.290 21 H -0.291 1.291 22 H -0.282 1.282 23 C 0.113 3.887 24 C -0.084 4.084 25 C -0.146 4.146 26 C 0.061 3.939 27 O -0.383 6.383 28 C 0.062 3.938 29 C -0.148 4.148 30 H 0.070 0.930 31 H 0.065 0.935 32 H 0.062 0.938 33 H 0.048 0.952 34 H 0.049 0.951 35 H 0.066 0.934 36 H 0.068 0.932 37 H 0.088 0.912 38 H 0.081 0.919 39 H 0.023 0.977 40 H 0.022 0.978 41 H 0.384 0.616 42 H 0.255 0.745 43 H 0.070 0.930 44 H 0.076 0.924 45 H 0.090 0.910 46 H 0.086 0.914 47 H 0.073 0.927 48 H 0.050 0.950 49 H 0.095 0.905 50 H 0.051 0.949 51 H 0.094 0.906 52 H 0.073 0.927 53 H 0.082 0.918 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -20.033 6.465 -13.944 25.250 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 -0.205 4.205 2 C -0.023 4.023 3 O -0.267 6.267 4 C 0.025 3.975 5 H 0.101 0.899 6 C 0.292 3.708 7 O -0.402 6.402 8 N -0.351 5.351 9 C -0.029 4.029 10 C -0.158 4.158 11 C -0.124 4.124 12 H 0.102 0.898 13 C 0.036 3.964 14 N -0.375 5.375 15 C -0.371 4.371 16 H 0.088 0.912 17 C -0.209 4.209 18 N -0.583 5.583 19 Si 0.738 3.262 20 H -0.217 1.217 21 H -0.218 1.218 22 H -0.207 1.207 23 C -0.009 4.009 24 C -0.102 4.102 25 C -0.184 4.184 26 C -0.015 4.015 27 O -0.302 6.302 28 C -0.015 4.015 29 C -0.186 4.186 30 H 0.089 0.911 31 H 0.084 0.916 32 H 0.081 0.919 33 H 0.067 0.933 34 H 0.068 0.932 35 H 0.084 0.916 36 H 0.086 0.914 37 H 0.106 0.894 38 H 0.099 0.901 39 H 0.040 0.960 40 H 0.040 0.960 41 H 0.217 0.783 42 H 0.065 0.935 43 H 0.089 0.911 44 H 0.094 0.906 45 H 0.108 0.892 46 H 0.104 0.896 47 H 0.091 0.909 48 H 0.068 0.932 49 H 0.113 0.887 50 H 0.069 0.931 51 H 0.112 0.888 52 H 0.092 0.908 53 H 0.101 0.899 Dipole moment (debyes) X Y Z Total from point charges -20.730 6.897 -13.435 25.647 hybrid contribution 1.409 -0.738 0.600 1.700 sum -19.321 6.159 -12.835 23.999 Atomic orbital electron populations 1.21699 0.93338 1.02243 1.03228 1.22589 0.96051 0.83601 1.00033 1.87996 1.17908 1.26489 1.94328 1.21939 0.83623 0.99769 0.92185 0.89879 1.20967 0.80820 0.76959 0.92037 1.90714 1.54469 1.48289 1.46684 1.48628 1.05574 1.72173 1.08771 1.22279 0.87982 1.01020 0.91571 1.22640 0.94620 1.02989 0.95527 1.22606 0.93790 1.00085 0.95967 0.89756 1.20546 0.86214 0.95495 0.94126 1.42297 1.08796 1.54777 1.31642 1.19226 0.90800 1.22412 1.04642 0.91158 1.24733 0.98118 0.99804 0.98288 1.69652 1.26445 1.33347 1.28815 0.86184 0.82306 0.77660 0.80007 1.21704 1.21759 1.20743 1.22309 0.93809 1.00757 0.84068 1.21370 1.00679 0.93094 0.95089 1.22143 1.02677 0.93916 0.99651 1.22603 0.99750 0.97557 0.81615 1.87933 1.66732 1.51794 1.23704 1.22559 0.96285 0.85993 0.96684 1.22229 1.03600 0.98572 0.94209 0.91098 0.91586 0.91886 0.93340 0.93224 0.91563 0.91404 0.89366 0.90073 0.95953 0.95996 0.78253 0.93503 0.91132 0.90570 0.89186 0.89575 0.90865 0.93217 0.88736 0.93109 0.88756 0.90791 0.89932 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 10.28 37.15 0.38 -0.81 16 2 C 0.05 0.51 6.46 37.15 0.24 0.75 16 3 O -0.35 -4.03 8.10 -54.84 -0.44 -4.47 16 4 C 0.09 0.91 1.60 -27.88 -0.04 0.86 16 5 H 0.08 0.73 7.50 -51.93 -0.39 0.34 16 6 C 0.50 6.85 6.23 -10.99 -0.07 6.78 16 7 O -0.53 -9.14 16.84 -14.05 -0.24 -9.38 16 8 N -0.62 -7.79 3.32 -170.39 -0.57 -8.36 16 9 C 0.09 0.99 6.06 -3.06 -0.02 0.97 16 10 C -0.12 -1.57 6.12 -24.90 -0.15 -1.72 16 11 C -0.10 -1.57 3.12 -88.35 -0.28 -1.84 16 12 H 0.08 1.31 8.14 -51.93 -0.42 0.89 16 13 C 0.16 3.11 5.71 -4.04 -0.02 3.09 16 14 N -0.73 -17.66 5.45 -59.91 -0.33 -17.99 16 15 C -0.24 -6.54 9.99 -15.06 -0.15 -6.69 16 16 H 0.07 1.87 7.83 -52.48 -0.41 1.46 16 17 C -0.01 -0.38 5.50 -17.43 -0.10 -0.48 16 18 N -0.93 -27.50 13.06 55.49 0.72 -26.78 16 19 Si 0.91 22.04 29.55 -169.99 -5.02 17.01 16 20 H -0.29 -7.03 7.11 56.52 0.40 -6.63 16 21 H -0.29 -7.12 7.11 56.52 0.40 -6.72 16 22 H -0.28 -6.67 7.11 56.52 0.40 -6.26 16 23 C 0.11 1.57 6.36 -2.41 -0.02 1.55 16 24 C -0.08 -0.75 2.02 -90.43 -0.18 -0.94 16 25 C -0.15 -1.49 5.03 -26.59 -0.13 -1.62 16 26 C 0.06 0.55 6.84 37.20 0.25 0.81 16 27 O -0.38 -3.87 10.76 -35.23 -0.38 -4.25 16 28 C 0.06 0.47 6.84 37.21 0.25 0.72 16 29 C -0.15 -1.11 5.36 -26.59 -0.14 -1.26 16 30 H 0.07 0.44 8.14 -51.93 -0.42 0.02 16 31 H 0.07 0.60 8.14 -51.93 -0.42 0.18 16 32 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 33 H 0.05 0.37 8.09 -51.93 -0.42 -0.05 16 34 H 0.05 0.53 8.14 -51.93 -0.42 0.11 16 35 H 0.07 0.60 7.95 -51.93 -0.41 0.19 16 36 H 0.07 0.60 6.01 -51.93 -0.31 0.29 16 37 H 0.09 1.20 8.14 -51.93 -0.42 0.78 16 38 H 0.08 1.11 8.01 -51.93 -0.42 0.69 16 39 H 0.02 0.43 8.11 -51.92 -0.42 0.01 16 40 H 0.02 0.43 8.14 -51.93 -0.42 0.01 16 41 H 0.38 9.64 7.53 -40.82 -0.31 9.33 16 42 H 0.26 7.28 8.31 -40.82 -0.34 6.94 16 43 H 0.07 0.97 8.04 -51.93 -0.42 0.56 16 44 H 0.08 1.11 8.08 -51.93 -0.42 0.69 16 45 H 0.09 0.75 5.49 -51.93 -0.29 0.47 16 46 H 0.09 1.00 7.44 -51.93 -0.39 0.62 16 47 H 0.07 0.85 7.53 -51.93 -0.39 0.46 16 48 H 0.05 0.41 8.14 -51.93 -0.42 -0.01 16 49 H 0.09 0.77 8.14 -51.93 -0.42 0.34 16 50 H 0.05 0.34 8.14 -51.93 -0.42 -0.08 16 51 H 0.09 0.58 8.14 -51.93 -0.42 0.16 16 52 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 53 H 0.08 0.71 7.77 -51.93 -0.40 0.30 16 LS Contribution 413.35 15.07 6.23 6.23 Total: -1.00 -32.86 413.35 -9.80 -42.66 By element: Atomic # 1 Polarization: 14.74 SS G_CDS: -9.60 Total: 5.14 kcal Atomic # 6 Polarization: 0.35 SS G_CDS: -0.17 Total: 0.18 kcal Atomic # 7 Polarization: -52.95 SS G_CDS: -0.17 Total: -53.12 kcal Atomic # 8 Polarization: -17.04 SS G_CDS: -1.06 Total: -18.10 kcal Atomic # 14 Polarization: 22.04 SS G_CDS: -5.02 Total: 17.01 kcal Total LS contribution 6.23 Total: 6.23 kcal Total: -32.86 -9.80 -42.66 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. ZINC001567132499.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 -82.052 kcal (2) G-P(sol) polarization free energy of solvation -32.864 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -114.916 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.797 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.661 kcal (6) G-S(sol) free energy of system = (1) + (5) -124.713 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.67 seconds