Wall clock time and date at job start Sat Apr 11 2020 06:08:33 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 1.30998 * 1 3 3 C 1.50700 * 120.00365 * 2 1 4 4 C 1.50703 * 119.99848 * 179.97438 * 2 1 3 5 5 C 1.53003 * 109.46970 * 95.00252 * 4 2 1 6 6 N 1.46900 * 109.47006 * 180.02562 * 5 4 2 7 7 C 1.46898 * 111.00097 * 179.97438 * 6 5 4 8 8 C 1.52993 * 109.47468 * 185.18006 * 7 6 5 9 9 H 1.09008 * 109.58896 * 298.07483 * 8 7 6 10 10 C 1.53193 * 109.58786 * 58.50223 * 8 7 6 11 11 H 1.09000 * 109.49810 * 294.37908 * 10 8 7 12 12 C 1.53001 * 109.49659 * 54.47170 * 10 8 7 13 13 C 1.53040 * 109.31338 * 174.42453 * 10 8 7 14 14 C 1.53042 * 109.53768 * 298.63258 * 13 10 8 15 15 C 1.53192 * 109.30933 * 61.36895 * 14 13 10 16 16 N 1.46925 * 108.77806 * 305.36372 * 15 14 13 17 17 C 1.34781 * 120.63000 * 233.59338 * 16 15 14 18 18 O 1.21282 * 119.99659 * 185.40670 * 17 16 15 19 19 C 1.50694 * 120.00122 * 5.39656 * 17 16 15 20 20 S 1.80995 * 109.47127 * 180.02562 * 19 17 16 21 21 C 1.76200 * 100.00137 * 180.02562 * 20 19 17 22 22 H 1.07997 * 119.99881 * 359.97438 * 21 20 19 23 23 C 1.38801 * 120.00387 * 180.02562 * 21 20 19 24 24 N 1.31632 * 120.00399 * 179.97438 * 23 21 20 25 25 Si 1.86801 * 119.99529 * 359.97438 * 23 21 20 26 26 H 1.48505 * 109.47160 * 90.00432 * 25 23 21 27 27 H 1.48507 * 109.46952 * 209.99891 * 25 23 21 28 28 H 1.48496 * 109.47300 * 329.99808 * 25 23 21 29 29 H 1.08001 * 120.00213 * 179.97438 * 1 2 3 30 30 H 1.07998 * 120.00019 * 0.02562 * 1 2 3 31 31 H 1.08999 * 109.47135 * 270.00150 * 3 2 1 32 32 H 1.08997 * 109.46914 * 29.99611 * 3 2 1 33 33 H 1.08995 * 109.47531 * 149.99686 * 3 2 1 34 34 H 1.08995 * 109.47108 * 335.00632 * 4 2 1 35 35 H 1.08997 * 109.47092 * 214.99677 * 4 2 1 36 36 H 1.09003 * 109.47353 * 59.99812 * 5 4 2 37 37 H 1.09001 * 109.47216 * 299.99559 * 5 4 2 38 38 H 1.00901 * 110.99882 * 303.94585 * 6 5 4 39 39 H 1.08998 * 109.47447 * 305.18333 * 7 6 5 40 40 H 1.09007 * 109.47258 * 65.17701 * 7 6 5 41 41 H 1.09007 * 109.46609 * 59.99979 * 12 10 8 42 42 H 1.08991 * 109.47425 * 179.97438 * 12 10 8 43 43 H 1.08997 * 109.46999 * 300.00579 * 12 10 8 44 44 H 1.09001 * 109.45849 * 178.61465 * 13 10 8 45 45 H 1.08999 * 109.44887 * 58.64871 * 13 10 8 46 46 H 1.08990 * 109.49909 * 301.41796 * 14 13 10 47 47 H 1.09004 * 109.49835 * 181.31683 * 14 13 10 48 48 H 1.09003 * 109.58513 * 185.57299 * 15 14 13 49 49 H 1.08998 * 109.59051 * 65.15052 * 15 14 13 50 50 H 1.09004 * 109.47636 * 300.00707 * 19 17 16 51 51 H 1.09006 * 109.46906 * 60.00394 * 19 17 16 52 52 H 0.96995 * 119.99896 * 180.02562 * 24 23 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 1.3100 0.0000 0.0000 3 6 2.0636 1.3051 0.0000 4 6 2.0635 -1.3051 0.0006 5 6 2.4274 -1.6846 -1.4363 6 7 3.1613 -2.9571 -1.4358 7 6 3.5275 -3.3541 -2.8018 8 6 4.1736 -4.7407 -2.7741 9 1 5.0870 -4.7065 -2.1802 10 6 3.1972 -5.7501 -2.1621 11 1 3.0268 -5.5022 -1.1144 12 6 1.8698 -5.7014 -2.9214 13 6 3.7928 -7.1562 -2.2641 14 6 4.0017 -7.5180 -3.7364 15 6 4.9873 -6.5286 -4.3661 16 7 4.4930 -5.1629 -4.1447 17 6 4.3357 -4.3133 -5.1792 18 8 4.0214 -3.1600 -4.9742 19 6 4.5507 -4.7964 -6.5903 20 16 4.2671 -3.4317 -7.7449 21 6 4.5771 -4.2537 -9.2723 22 1 4.8504 -5.2986 -9.2774 23 6 4.4712 -3.5583 -10.4688 24 7 4.7033 -4.1722 -11.6098 25 14 3.9992 -1.7509 -10.4598 26 1 5.2264 -0.9192 -10.3723 27 1 3.2680 -1.4240 -11.7104 28 1 3.1280 -1.4726 -9.2899 29 1 -0.5400 -0.9353 -0.0004 30 1 -0.5400 0.9353 -0.0004 31 1 2.2452 1.6197 -1.0277 32 1 1.4745 2.0647 0.5138 33 1 3.0159 1.1748 0.5138 34 1 1.4385 -2.0853 0.4351 35 1 2.9742 -1.1986 0.5899 36 1 3.0523 -0.9044 -1.8710 37 1 1.5167 -1.7911 -2.0257 38 1 3.9765 -2.9041 -0.8436 39 1 2.6331 -3.3824 -3.4242 40 1 4.2335 -2.6325 -3.2131 41 1 2.0410 -5.9508 -3.9687 42 1 1.1756 -6.4200 -2.4860 43 1 1.4475 -4.6990 -2.8510 44 1 3.1108 -7.8733 -1.8072 45 1 4.7503 -7.1833 -1.7440 46 1 3.0486 -7.4666 -4.2624 47 1 4.4041 -8.5284 -3.8092 48 1 5.0640 -6.7205 -5.4364 49 1 5.9667 -6.6425 -3.9014 50 1 5.5736 -5.1573 -6.6990 51 1 3.8546 -5.6067 -6.8069 52 1 4.6296 -3.6861 -12.4459 RHF calculation, no. of doubly occupied orbitals= 63 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC001271694407.mol2 52 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 06:08:33 Heat of formation + Delta-G solvation = -19.045945 kcal Electronic energy + Delta-G solvation = -28291.314994 eV Core-core repulsion = 24610.279712 eV Total energy + Delta-G solvation = -3681.035282 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.70 seconds Orbital eigenvalues (eV) -40.67539 -37.68598 -37.34063 -35.38431 -33.50930 -32.44845 -32.15427 -29.74712 -29.08478 -27.47722 -26.83960 -25.78625 -25.47896 -24.06811 -22.52740 -21.63053 -20.27351 -18.62419 -18.41407 -17.62492 -16.89048 -16.07940 -15.79589 -15.53145 -15.11556 -15.00400 -14.93022 -14.61531 -14.39292 -14.25814 -13.84462 -13.65521 -13.48324 -13.40099 -13.18809 -13.11044 -12.80103 -12.53331 -12.24649 -12.09665 -11.95195 -11.91059 -11.63445 -11.50292 -11.25767 -11.20140 -11.13252 -11.02606 -10.98748 -10.84853 -10.59330 -10.49854 -10.32731 -9.86148 -9.26813 -9.23306 -9.01459 -8.50205 -8.49010 -8.14876 -6.92550 -6.29957 -4.01447 2.00200 2.70014 2.92047 3.16402 3.31681 3.48928 3.56577 4.15621 4.31847 4.53475 4.65495 4.66677 4.71545 4.76228 4.79839 4.91266 5.04535 5.09177 5.11264 5.12895 5.17400 5.28845 5.31808 5.38855 5.43052 5.45462 5.51151 5.58763 5.65179 5.70405 5.71398 5.73212 5.74555 5.77501 5.83598 5.85403 5.93779 5.98447 6.01961 6.03919 6.10430 6.19645 6.31918 6.41457 6.43022 6.65155 6.70005 6.99590 7.34631 7.51788 7.93179 8.40628 8.46685 9.16344 10.79345 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.009015 B = 0.003247 C = 0.002499 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3105.138003 B = 8621.379201 C =11200.718485 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.197 4.197 2 C -0.124 4.124 3 C -0.121 4.121 4 C -0.082 4.082 5 C 0.071 3.929 6 N -0.696 5.696 7 C 0.061 3.939 8 C 0.158 3.842 9 H 0.064 0.936 10 C -0.090 4.090 11 H 0.088 0.912 12 C -0.143 4.143 13 C -0.116 4.116 14 C -0.139 4.139 15 C 0.108 3.892 16 N -0.611 5.611 17 C 0.534 3.466 18 O -0.516 6.516 19 C -0.123 4.123 20 S -0.143 6.143 21 C -0.520 4.520 22 H 0.088 0.912 23 C 0.096 3.904 24 N -0.881 5.881 25 Si 0.857 3.143 26 H -0.267 1.267 27 H -0.274 1.274 28 H -0.236 1.236 29 H 0.098 0.902 30 H 0.095 0.905 31 H 0.068 0.932 32 H 0.061 0.939 33 H 0.061 0.939 34 H 0.075 0.925 35 H 0.065 0.935 36 H 0.031 0.969 37 H 0.071 0.929 38 H 0.332 0.668 39 H 0.087 0.913 40 H 0.066 0.934 41 H 0.054 0.946 42 H 0.047 0.953 43 H 0.060 0.940 44 H 0.063 0.937 45 H 0.060 0.940 46 H 0.073 0.927 47 H 0.072 0.928 48 H 0.090 0.910 49 H 0.067 0.933 50 H 0.094 0.906 51 H 0.095 0.905 52 H 0.271 0.729 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -3.185 -1.506 25.377 25.620 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 -0.234 4.234 2 C -0.125 4.125 3 C -0.177 4.177 4 C -0.120 4.120 5 C -0.058 4.058 6 N -0.328 5.328 7 C -0.067 4.067 8 C 0.054 3.946 9 H 0.082 0.918 10 C -0.109 4.109 11 H 0.107 0.893 12 C -0.200 4.200 13 C -0.154 4.154 14 C -0.177 4.177 15 C -0.015 4.015 16 N -0.347 5.347 17 C 0.322 3.678 18 O -0.391 6.391 19 C -0.273 4.273 20 S 0.084 5.916 21 C -0.668 4.668 22 H 0.106 0.894 23 C -0.113 4.113 24 N -0.517 5.517 25 Si 0.681 3.319 26 H -0.192 1.192 27 H -0.199 1.199 28 H -0.160 1.160 29 H 0.116 0.884 30 H 0.114 0.886 31 H 0.087 0.913 32 H 0.080 0.920 33 H 0.080 0.920 34 H 0.094 0.906 35 H 0.084 0.916 36 H 0.049 0.951 37 H 0.089 0.911 38 H 0.148 0.852 39 H 0.105 0.895 40 H 0.084 0.916 41 H 0.073 0.927 42 H 0.067 0.933 43 H 0.079 0.921 44 H 0.081 0.919 45 H 0.079 0.921 46 H 0.091 0.909 47 H 0.091 0.909 48 H 0.108 0.892 49 H 0.085 0.915 50 H 0.112 0.888 51 H 0.114 0.886 52 H 0.081 0.919 Dipole moment (debyes) X Y Z Total from point charges -4.202 -0.181 25.442 25.787 hybrid contribution 0.985 -0.206 -0.824 1.300 sum -3.217 -0.387 24.618 24.830 Atomic orbital electron populations 1.23694 0.95258 1.01830 1.02573 1.21730 0.95467 0.95706 0.99550 1.20880 1.00007 0.94585 1.02273 1.20671 1.00012 0.94214 0.97078 1.21787 0.98531 0.89751 0.95742 1.60483 1.28629 1.31422 1.12296 1.22668 1.01643 0.94552 0.87848 1.21159 0.96898 0.94522 0.82009 0.91850 1.21366 0.95153 0.93711 1.00684 0.89348 1.21830 0.96147 1.01887 1.00150 1.21588 1.00780 0.96869 0.96151 1.21979 1.00494 0.98624 0.96623 1.21747 0.96803 0.80856 1.02106 1.48092 1.66878 1.13396 1.06353 1.20280 0.76019 0.85384 0.86116 1.90691 1.46459 1.17775 1.84151 1.23347 1.05237 1.04442 0.94293 1.84749 1.91579 1.15041 1.00272 1.22307 1.54326 1.00296 0.89849 0.89436 1.24711 0.93546 0.98706 0.94338 1.69937 1.47143 1.37077 0.97563 0.86739 0.80531 0.84867 0.79723 1.19247 1.19948 1.15961 0.88413 0.88648 0.91339 0.91989 0.91976 0.90602 0.91609 0.95121 0.91051 0.85172 0.89491 0.91618 0.92743 0.93341 0.92061 0.91860 0.92126 0.90875 0.90936 0.89196 0.91475 0.88761 0.88630 0.91946 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -0.20 -1.70 13.89 29.02 0.40 -1.30 16 2 C -0.12 -1.10 5.31 -101.06 -0.54 -1.64 16 3 C -0.12 -0.95 10.03 36.01 0.36 -0.59 16 4 C -0.08 -0.72 5.64 -27.88 -0.16 -0.87 16 5 C 0.07 0.76 5.66 -3.82 -0.02 0.74 16 6 N -0.70 -7.33 5.77 -113.78 -0.66 -7.99 16 7 C 0.06 0.81 3.01 -3.83 -0.01 0.79 16 8 C 0.16 1.84 2.90 -67.60 -0.20 1.65 16 9 H 0.06 0.69 8.14 -51.92 -0.42 0.27 16 10 C -0.09 -0.90 2.54 -90.50 -0.23 -1.13 16 11 H 0.09 0.86 7.76 -51.93 -0.40 0.45 16 12 C -0.14 -1.62 8.20 37.16 0.30 -1.32 16 13 C -0.12 -0.99 5.43 -26.69 -0.14 -1.13 16 14 C -0.14 -1.26 5.74 -26.61 -0.15 -1.41 16 15 C 0.11 1.14 6.35 -3.71 -0.02 1.12 16 16 N -0.61 -8.10 2.41 -165.22 -0.40 -8.50 16 17 C 0.53 9.32 7.55 -10.99 -0.08 9.24 16 18 O -0.52 -10.39 11.41 5.56 0.06 -10.32 16 19 C -0.12 -2.36 4.51 36.00 0.16 -2.20 16 20 S -0.14 -3.58 18.55 -107.50 -1.99 -5.58 16 21 C -0.52 -14.91 10.04 30.94 0.31 -14.60 16 22 H 0.09 2.62 8.03 -52.49 -0.42 2.19 16 23 C 0.10 2.79 5.50 -17.43 -0.10 2.69 16 24 N -0.88 -26.54 13.97 55.49 0.78 -25.76 16 25 Si 0.86 21.77 27.74 -169.99 -4.71 17.06 16 26 H -0.27 -6.72 7.11 56.52 0.40 -6.32 16 27 H -0.27 -6.72 7.11 56.52 0.40 -6.32 16 28 H -0.24 -5.98 6.74 56.52 0.38 -5.60 16 29 H 0.10 0.82 7.99 -52.49 -0.42 0.40 16 30 H 0.10 0.74 8.04 -52.49 -0.42 0.32 16 31 H 0.07 0.57 8.14 -51.93 -0.42 0.15 16 32 H 0.06 0.43 8.06 -51.93 -0.42 0.01 16 33 H 0.06 0.45 8.08 -51.93 -0.42 0.03 16 34 H 0.08 0.67 7.99 -51.93 -0.41 0.26 16 35 H 0.07 0.52 8.10 -51.93 -0.42 0.10 16 36 H 0.03 0.36 8.14 -51.93 -0.42 -0.06 16 37 H 0.07 0.87 8.14 -51.93 -0.42 0.45 16 38 H 0.33 3.03 8.79 -39.29 -0.35 2.69 16 39 H 0.09 1.39 5.50 -51.93 -0.29 1.10 16 40 H 0.07 1.07 6.27 -51.93 -0.33 0.74 16 41 H 0.05 0.70 5.97 -51.93 -0.31 0.39 16 42 H 0.05 0.49 8.14 -51.93 -0.42 0.07 16 43 H 0.06 0.78 6.39 -51.93 -0.33 0.45 16 44 H 0.06 0.50 8.14 -51.93 -0.42 0.07 16 45 H 0.06 0.48 8.14 -51.93 -0.42 0.05 16 46 H 0.07 0.75 6.33 -51.93 -0.33 0.42 16 47 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 48 H 0.09 0.99 5.93 -51.93 -0.31 0.68 16 49 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 50 H 0.09 1.71 7.72 -51.91 -0.40 1.31 16 51 H 0.10 1.75 7.91 -51.91 -0.41 1.34 16 52 H 0.27 7.58 8.31 -40.82 -0.34 7.24 16 LS Contribution 409.53 15.07 6.17 6.17 Total: -1.00 -31.49 409.53 -10.21 -41.70 By element: Atomic # 1 Polarization: 12.53 SS G_CDS: -9.35 Total: 3.18 kcal Atomic # 6 Polarization: -9.84 SS G_CDS: -0.11 Total: -9.95 kcal Atomic # 7 Polarization: -41.97 SS G_CDS: -0.28 Total: -42.25 kcal Atomic # 8 Polarization: -10.39 SS G_CDS: 0.06 Total: -10.32 kcal Atomic # 14 Polarization: 21.77 SS G_CDS: -4.71 Total: 17.06 kcal Atomic # 16 Polarization: -3.58 SS G_CDS: -1.99 Total: -5.58 kcal Total LS contribution 6.17 Total: 6.17 kcal Total: -31.49 -10.21 -41.70 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. ZINC001271694407.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 22.651 kcal (2) G-P(sol) polarization free energy of solvation -31.487 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -8.836 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.210 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.697 kcal (6) G-S(sol) free energy of system = (1) + (5) -19.046 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.70 seconds