Wall clock time and date at job start Fri Apr 10 2020 14:57:35 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 1.53000 * 1 3 3 N 1.46496 * 109.47562 * 2 1 4 4 C 1.46504 * 119.99698 * 269.99871 * 3 2 1 5 5 C 1.53000 * 109.47261 * 264.76769 * 4 3 2 6 6 C 1.34774 * 120.00297 * 89.99468 * 3 2 1 7 7 O 1.21615 * 119.99799 * 4.67187 * 6 3 2 8 8 C 1.47282 * 120.00051 * 184.66095 * 6 3 2 9 9 C 1.37958 * 126.80745 * 57.45443 * 8 6 3 10 10 N 1.34161 * 107.89535 * 179.73638 * 9 8 6 11 11 C 1.46494 * 125.16256 * 180.02562 * 10 9 8 12 12 C 1.50701 * 109.47650 * 124.99786 * 11 10 9 13 13 H 1.07998 * 119.99654 * 359.97438 * 12 11 10 14 14 C 1.37874 * 120.00258 * 179.97438 * 12 11 10 15 15 N 1.31519 * 119.99841 * 359.97438 * 14 12 11 16 16 Si 1.86801 * 120.00112 * 179.97438 * 14 12 11 17 17 H 1.48498 * 109.46948 * 89.99874 * 16 14 12 18 18 H 1.48496 * 109.47083 * 209.99955 * 16 14 12 19 19 H 1.48499 * 109.47071 * 329.99979 * 16 14 12 20 20 N 1.39777 * 109.67433 * 359.97438 * 10 9 8 21 21 C 1.31385 * 109.07699 * 0.02562 * 20 10 9 22 22 C 1.48244 * 126.51302 * 180.02562 * 21 20 10 23 23 C 1.40474 * 119.72406 * 136.07527 * 22 21 20 24 24 C 1.35788 * 120.86679 * 179.74256 * 23 22 21 25 25 C 1.40664 * 119.98208 * 0.53057 * 24 23 22 26 26 C 1.40509 * 121.06183 * 179.73628 * 25 24 23 27 27 C 1.36131 * 119.71096 * 180.02562 * 26 25 24 28 28 C 1.39366 * 121.00180 * 0.02562 * 27 26 25 29 29 C 1.36095 * 120.96211 * 359.97079 * 28 27 26 30 30 C 1.40634 * 119.66153 * 0.02562 * 29 28 27 31 31 C 1.38256 * 119.72222 * 316.34997 * 22 21 20 32 32 H 1.09005 * 109.47019 * 300.00299 * 1 2 3 33 33 H 1.09002 * 109.46886 * 59.99949 * 1 2 3 34 34 H 1.08992 * 109.47461 * 180.02562 * 1 2 3 35 35 H 1.08995 * 109.46956 * 239.99655 * 2 1 3 36 36 H 1.09002 * 109.46886 * 120.00051 * 2 1 3 37 37 H 1.09008 * 109.47252 * 24.76960 * 4 3 2 38 38 H 1.09000 * 109.47065 * 144.76469 * 4 3 2 39 39 H 1.09005 * 109.47019 * 299.99753 * 5 4 3 40 40 H 1.09000 * 109.47326 * 59.99859 * 5 4 3 41 41 H 1.08998 * 109.46988 * 180.02562 * 5 4 3 42 42 H 1.07999 * 126.05239 * 359.75558 * 9 8 6 43 43 H 1.09005 * 109.46490 * 244.99685 * 11 10 9 44 44 H 1.08995 * 109.47556 * 4.99014 * 11 10 9 45 45 H 0.96998 * 119.99642 * 180.02562 * 15 14 12 46 46 H 1.08002 * 119.56574 * 0.02562 * 23 22 21 47 47 H 1.07998 * 120.00996 * 180.27757 * 24 23 22 48 48 H 1.07997 * 120.15157 * 0.04406 * 26 25 24 49 49 H 1.07994 * 119.49685 * 180.02562 * 27 26 25 50 50 H 1.07997 * 119.51971 * 179.97438 * 28 27 26 51 51 H 1.07995 * 120.16693 * 180.02562 * 29 28 27 52 52 H 1.07998 * 120.26672 * 359.95692 * 31 22 21 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 7 2.0184 1.3811 0.0000 4 6 2.2627 2.0717 -1.2688 5 6 3.7399 1.9406 -1.6447 6 6 2.2430 2.0165 1.1671 7 8 2.1221 1.4176 2.2186 8 6 2.6351 3.4362 1.1692 9 6 1.9354 4.4878 0.6143 10 7 2.6325 5.6116 0.8400 11 6 2.2314 6.9537 0.4112 12 6 2.2004 7.8741 1.6041 13 1 2.4538 7.4968 2.5839 14 6 1.8487 9.1976 1.4448 15 7 1.5406 9.6571 0.2516 16 14 1.8096 10.3382 2.9237 17 1 3.1420 10.9709 3.0961 18 1 0.7854 11.3918 2.7092 19 1 1.4705 9.5587 4.1412 20 7 3.7991 5.3076 1.5475 21 6 3.8431 4.0130 1.7672 22 6 4.9108 3.2758 2.4843 23 6 4.5662 2.2855 3.4191 24 6 5.5252 1.5925 4.0853 25 6 6.8841 1.8705 3.8511 26 6 7.8949 1.1711 4.5318 27 6 9.2014 1.4629 4.2842 28 6 9.5549 2.4479 3.3638 29 6 8.6039 3.1460 2.6854 30 6 7.2436 2.8724 2.9146 31 6 6.2372 3.5727 2.2316 32 1 -0.3633 0.5139 0.8900 33 1 -0.3633 0.5139 -0.8900 34 1 -0.3634 -1.0276 0.0005 35 1 1.8933 -0.5139 -0.8899 36 1 1.8933 -0.5139 0.8900 37 1 1.6478 1.6246 -2.0501 38 1 2.0066 3.1260 -1.1638 39 1 4.3547 2.3877 -0.8635 40 1 3.9960 0.8863 -1.7497 41 1 3.9217 2.4547 -2.5885 42 1 0.9931 4.4186 0.0912 43 1 2.9468 7.3304 -0.3199 44 1 1.2401 6.9100 -0.0398 45 1 1.2935 10.5883 0.1395 46 1 3.5249 2.0693 3.6070 47 1 5.2447 0.8309 4.7977 48 1 7.6367 0.4052 5.2480 49 1 9.9755 0.9230 4.8090 50 1 10.5988 2.6601 3.1862 51 1 8.8923 3.9063 1.9747 52 1 6.4968 4.3376 1.5148 RHF calculation, no. of doubly occupied orbitals= 70 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 ZINC000004516872.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Fri Apr 10 2020 14:57:35 Heat of formation + Delta-G solvation = 75.138680 kcal Electronic energy + Delta-G solvation = -34294.804024 eV Core-core repulsion = 30032.304610 eV Total energy + Delta-G solvation = -4262.499414 eV No. of doubly occupied orbitals = 70 Molecular weight (most abundant/longest-lived isotopes) = 377.184 amu Computer time = 1.41 seconds Orbital eigenvalues (eV) -40.80315 -40.01586 -39.14715 -36.49953 -35.89912 -33.81526 -32.75002 -32.35484 -31.86796 -30.24704 -29.95665 -29.19415 -28.82937 -27.04442 -24.12706 -24.01535 -23.55106 -23.05418 -22.36649 -21.83332 -20.94425 -19.81733 -18.80461 -17.21023 -17.07093 -16.74366 -16.64198 -16.39083 -16.04980 -15.41287 -14.76431 -14.67243 -14.52719 -14.31723 -14.02186 -13.88288 -13.77872 -13.59883 -13.52587 -13.42876 -13.23921 -12.86252 -12.70961 -12.67979 -12.32053 -12.17361 -12.09789 -11.94064 -11.77633 -11.68092 -11.28032 -11.17322 -11.08990 -11.00806 -10.94782 -10.91338 -10.75618 -10.35210 -10.22422 -9.93909 -9.76426 -9.53893 -9.00622 -8.71766 -8.61118 -8.32223 -7.93374 -7.60473 -6.34514 -4.40016 0.58537 1.05291 2.10750 2.25555 2.64967 2.98455 3.08295 3.19965 3.26097 3.31276 3.38471 3.46329 4.23845 4.25776 4.58893 4.71169 4.83186 4.87006 4.94491 4.99827 5.02445 5.09408 5.13281 5.18869 5.22679 5.30204 5.33460 5.37804 5.42545 5.44368 5.47376 5.59263 5.63615 5.74090 5.77678 5.85361 5.88399 5.93534 5.99197 6.04242 6.10961 6.16516 6.21421 6.31460 6.38250 6.48500 6.57161 6.68362 6.71542 6.80478 6.85357 6.91014 7.02618 7.15255 7.51830 7.54769 7.72384 7.74797 8.31968 8.45853 8.67907 9.26834 10.74405 Molecular weight = 377.18amu Principal moments of inertia in cm(-1) A = 0.005767 B = 0.003480 C = 0.002427 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 4854.167921 B = 8043.017026 C =11534.430195 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.167 4.167 2 C 0.113 3.887 3 N -0.613 5.613 4 C 0.107 3.893 5 C -0.168 4.168 6 C 0.610 3.390 7 O -0.540 6.540 8 C -0.300 4.300 9 C 0.091 3.909 10 N -0.311 5.311 11 C 0.252 3.748 12 C -0.533 4.533 13 H 0.070 0.930 14 C 0.065 3.935 15 N -0.894 5.894 16 Si 0.908 3.092 17 H -0.276 1.276 18 H -0.283 1.283 19 H -0.271 1.271 20 N -0.254 5.254 21 C 0.119 3.881 22 C 0.004 3.996 23 C -0.082 4.082 24 C -0.117 4.117 25 C -0.047 4.047 26 C -0.108 4.108 27 C -0.121 4.121 28 C -0.127 4.127 29 C -0.099 4.099 30 C -0.054 4.054 31 C -0.081 4.081 32 H 0.059 0.941 33 H 0.054 0.946 34 H 0.062 0.938 35 H 0.072 0.928 36 H 0.083 0.917 37 H 0.075 0.925 38 H 0.082 0.918 39 H 0.061 0.939 40 H 0.053 0.947 41 H 0.064 0.936 42 H 0.174 0.826 43 H 0.051 0.949 44 H 0.058 0.942 45 H 0.268 0.732 46 H 0.148 0.852 47 H 0.126 0.874 48 H 0.124 0.876 49 H 0.118 0.882 50 H 0.119 0.881 51 H 0.126 0.874 52 H 0.131 0.869 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 6.796 -19.232 -2.117 20.508 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 -0.226 4.226 2 C -0.010 4.010 3 N -0.347 5.347 4 C -0.016 4.016 5 C -0.226 4.226 6 C 0.399 3.601 7 O -0.417 6.417 8 C -0.316 4.316 9 C -0.062 4.062 10 N -0.088 5.088 11 C 0.135 3.865 12 C -0.571 4.571 13 H 0.089 0.911 14 C -0.138 4.138 15 N -0.532 5.532 16 Si 0.735 3.265 17 H -0.202 1.202 18 H -0.209 1.209 19 H -0.196 1.196 20 N -0.075 5.075 21 C -0.047 4.047 22 C 0.002 3.998 23 C -0.100 4.100 24 C -0.135 4.135 25 C -0.047 4.047 26 C -0.126 4.126 27 C -0.139 4.139 28 C -0.145 4.145 29 C -0.117 4.117 30 C -0.054 4.054 31 C -0.101 4.101 32 H 0.079 0.921 33 H 0.073 0.927 34 H 0.081 0.919 35 H 0.090 0.910 36 H 0.101 0.899 37 H 0.093 0.907 38 H 0.100 0.900 39 H 0.080 0.920 40 H 0.072 0.928 41 H 0.083 0.917 42 H 0.191 0.809 43 H 0.068 0.932 44 H 0.076 0.924 45 H 0.078 0.922 46 H 0.165 0.835 47 H 0.144 0.856 48 H 0.142 0.858 49 H 0.136 0.864 50 H 0.137 0.863 51 H 0.144 0.856 52 H 0.149 0.851 Dipole moment (debyes) X Y Z Total from point charges 7.183 -18.050 -1.572 19.491 hybrid contribution -0.633 0.167 0.347 0.741 sum 6.551 -17.884 -1.225 19.085 Atomic orbital electron populations 1.22146 0.96134 1.01898 1.02402 1.21350 0.94096 0.82650 1.02891 1.47925 1.66746 1.13851 1.06167 1.21570 0.96556 0.98529 0.84958 1.22150 0.96746 1.01767 1.01938 1.17331 0.74777 0.85214 0.82748 1.90643 1.51912 1.68014 1.31177 1.20785 1.00835 0.93007 1.16999 1.22691 0.98002 0.86201 0.99276 1.49180 1.13445 1.08701 1.37472 1.19898 0.96637 0.72932 0.97015 1.21212 1.47735 0.94073 0.94067 0.91141 1.24921 0.94395 0.97831 0.96674 1.69907 1.45296 1.16167 1.21809 0.86316 0.78079 0.79940 0.82181 1.20200 1.20909 1.19594 1.77454 1.04176 1.12702 1.13178 1.21564 0.93776 0.90468 0.98911 1.17750 0.90387 0.95581 0.96108 1.21366 1.01649 0.93356 0.93675 1.20868 0.91238 1.00603 1.00827 1.18167 0.93882 0.96143 0.96551 1.21008 0.92578 0.99535 0.99511 1.20799 0.96251 0.98246 0.98614 1.20775 0.99337 0.96965 0.97421 1.21067 0.91696 0.99396 0.99496 1.17984 0.93546 0.96688 0.97204 1.21378 0.91140 0.98446 0.99121 0.92149 0.92667 0.91885 0.90988 0.89886 0.90673 0.89994 0.91988 0.92772 0.91743 0.80881 0.93160 0.92437 0.92201 0.83464 0.85564 0.85828 0.86354 0.86267 0.85617 0.85087 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 -0.17 -1.57 10.24 37.16 0.38 -1.19 16 2 C 0.11 1.17 6.14 -4.04 -0.02 1.15 16 3 N -0.61 -7.74 2.48 -175.01 -0.43 -8.18 16 4 C 0.11 1.14 5.92 -4.04 -0.02 1.12 16 5 C -0.17 -1.80 10.20 37.16 0.38 -1.42 16 6 C 0.61 9.90 7.18 -12.59 -0.09 9.81 16 7 O -0.54 -9.90 13.80 5.26 0.07 -9.83 16 8 C -0.30 -5.31 5.00 -102.95 -0.51 -5.82 16 9 C 0.09 1.59 9.43 -16.64 -0.16 1.44 16 10 N -0.31 -6.57 3.62 -62.04 -0.22 -6.80 16 11 C 0.25 5.94 6.21 -5.20 -0.03 5.91 16 12 C -0.53 -14.25 9.21 -34.44 -0.32 -14.57 16 13 H 0.07 1.98 7.81 -52.49 -0.41 1.57 16 14 C 0.07 1.74 5.46 -17.82 -0.10 1.64 16 15 N -0.89 -24.38 13.29 55.43 0.74 -23.64 16 16 Si 0.91 21.03 29.54 -169.99 -5.02 16.01 16 17 H -0.28 -6.38 7.11 56.52 0.40 -5.98 16 18 H -0.28 -6.41 7.11 56.52 0.40 -6.01 16 19 H -0.27 -6.32 7.11 56.52 0.40 -5.92 16 20 N -0.25 -5.55 12.30 34.57 0.43 -5.12 16 21 C 0.12 2.31 6.83 -80.57 -0.55 1.76 16 22 C 0.00 0.07 5.79 -104.94 -0.61 -0.54 16 23 C -0.08 -1.35 8.83 -39.62 -0.35 -1.70 16 24 C -0.12 -1.67 9.73 -39.54 -0.38 -2.06 16 25 C -0.05 -0.66 5.74 -106.77 -0.61 -1.27 16 26 C -0.11 -1.24 9.76 -39.48 -0.39 -1.63 16 27 C -0.12 -1.26 9.95 -39.92 -0.40 -1.65 16 28 C -0.13 -1.36 9.95 -39.93 -0.40 -1.75 16 29 C -0.10 -1.21 9.77 -39.45 -0.39 -1.60 16 30 C -0.05 -0.79 5.74 -106.85 -0.61 -1.41 16 31 C -0.08 -1.31 9.52 -38.78 -0.37 -1.68 16 32 H 0.06 0.69 8.14 -51.93 -0.42 0.27 16 33 H 0.05 0.48 8.14 -51.93 -0.42 0.05 16 34 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 35 H 0.07 0.59 8.07 -51.93 -0.42 0.17 16 36 H 0.08 0.97 7.36 -51.93 -0.38 0.59 16 37 H 0.07 0.62 8.03 -51.92 -0.42 0.20 16 38 H 0.08 0.95 5.13 -51.93 -0.27 0.68 16 39 H 0.06 0.83 7.97 -51.93 -0.41 0.41 16 40 H 0.05 0.53 8.14 -51.93 -0.42 0.11 16 41 H 0.06 0.61 8.14 -51.93 -0.42 0.18 16 42 H 0.17 2.46 7.73 -52.49 -0.41 2.05 16 43 H 0.05 1.25 8.14 -51.93 -0.42 0.82 16 44 H 0.06 1.32 8.05 -51.93 -0.42 0.90 16 45 H 0.27 6.94 8.31 -40.82 -0.34 6.60 16 46 H 0.15 2.62 5.63 -52.49 -0.30 2.32 16 47 H 0.13 1.48 8.06 -52.49 -0.42 1.06 16 48 H 0.12 1.12 8.06 -52.49 -0.42 0.70 16 49 H 0.12 0.91 8.06 -52.49 -0.42 0.49 16 50 H 0.12 0.97 8.06 -52.49 -0.42 0.55 16 51 H 0.13 1.33 8.06 -52.49 -0.42 0.91 16 52 H 0.13 2.05 8.06 -52.49 -0.42 1.62 16 LS Contribution 434.24 15.07 6.54 6.54 Total: -1.00 -30.99 434.24 -11.09 -42.08 By element: Atomic # 1 Polarization: 12.05 SS G_CDS: -7.64 Total: 4.41 kcal Atomic # 6 Polarization: -9.92 SS G_CDS: -5.55 Total: -15.47 kcal Atomic # 7 Polarization: -44.25 SS G_CDS: 0.50 Total: -43.74 kcal Atomic # 8 Polarization: -9.90 SS G_CDS: 0.07 Total: -9.83 kcal Atomic # 14 Polarization: 21.03 SS G_CDS: -5.02 Total: 16.01 kcal Total LS contribution 6.54 Total: 6.54 kcal Total: -30.99 -11.09 -42.08 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. ZINC000004516872.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 117.216 kcal (2) G-P(sol) polarization free energy of solvation -30.987 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 86.229 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.090 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.078 kcal (6) G-S(sol) free energy of system = (1) + (5) 75.139 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.42 seconds