Wall clock time and date at job start Sat Apr 11 2020 06:08:17 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 1.31002 * 1 3 3 C 1.50695 * 120.00218 * 2 1 4 4 C 1.50704 * 119.99660 * 179.97438 * 2 1 3 5 5 C 1.53003 * 109.46753 * 95.00089 * 4 2 1 6 6 N 1.46902 * 109.46931 * 179.97438 * 5 4 2 7 7 C 1.46901 * 110.99906 * 180.02562 * 6 5 4 8 8 H 1.08997 * 109.47404 * 35.00274 * 7 6 5 9 9 C 1.53003 * 109.47281 * 275.00025 * 7 6 5 10 10 C 1.52998 * 109.46993 * 155.00316 * 7 6 5 11 11 C 1.53043 * 109.46159 * 180.02562 * 10 7 6 12 12 C 1.53192 * 109.31235 * 181.38403 * 11 10 7 13 13 N 1.46923 * 108.77880 * 305.36295 * 12 11 10 14 14 C 1.34777 * 120.63281 * 233.59095 * 13 12 11 15 15 O 1.21274 * 120.00135 * 0.27366 * 14 13 12 16 16 C 1.50706 * 119.99766 * 179.97438 * 14 13 12 17 17 S 1.81003 * 109.46851 * 179.97438 * 16 14 13 18 18 C 1.76196 * 99.99843 * 180.02562 * 17 16 14 19 19 H 1.07998 * 120.00031 * 359.97438 * 18 17 16 20 20 C 1.38802 * 119.99637 * 180.02562 * 18 17 16 21 21 N 1.31628 * 120.00514 * 0.02562 * 20 18 17 22 22 Si 1.86806 * 119.99567 * 179.97438 * 20 18 17 23 23 H 1.48499 * 109.46945 * 60.00520 * 22 20 18 24 24 H 1.48497 * 109.46774 * 179.97438 * 22 20 18 25 25 H 1.48500 * 109.47349 * 299.99969 * 22 20 18 26 26 C 1.46929 * 118.73573 * 53.85825 * 13 12 11 27 27 C 1.53046 * 109.46155 * 300.06873 * 10 7 6 28 28 H 1.08002 * 119.99636 * 0.02562 * 1 2 3 29 29 H 1.08006 * 120.00180 * 179.97438 * 1 2 3 30 30 H 1.08997 * 109.47283 * 239.99745 * 3 2 1 31 31 H 1.08996 * 109.46892 * 359.97438 * 3 2 1 32 32 H 1.09003 * 109.47023 * 119.99931 * 3 2 1 33 33 H 1.09006 * 109.47369 * 335.00605 * 4 2 1 34 34 H 1.08995 * 109.47258 * 215.00281 * 4 2 1 35 35 H 1.09000 * 109.46835 * 60.00568 * 5 4 2 36 36 H 1.08995 * 109.47396 * 300.00108 * 5 4 2 37 37 H 1.00897 * 111.00199 * 303.95725 * 6 5 4 38 38 H 1.09002 * 109.46830 * 59.99709 * 9 7 6 39 39 H 1.08995 * 109.47165 * 180.02562 * 9 7 6 40 40 H 1.09005 * 109.46981 * 300.00193 * 9 7 6 41 41 H 1.09005 * 109.45166 * 60.03107 * 10 7 6 42 42 H 1.08998 * 109.49723 * 61.43203 * 11 10 7 43 43 H 1.09001 * 109.52382 * 301.35208 * 11 10 7 44 44 H 1.09003 * 109.58465 * 185.57606 * 12 11 10 45 45 H 1.09001 * 109.58900 * 65.15124 * 12 11 10 46 46 H 1.09000 * 109.47161 * 299.99737 * 16 14 13 47 47 H 1.09001 * 109.46740 * 59.99879 * 16 14 13 48 48 H 0.96995 * 120.00407 * 179.97438 * 21 20 18 49 49 H 1.09007 * 109.58459 * 65.93046 * 26 13 12 50 50 H 1.08999 * 109.58820 * 186.35494 * 26 13 12 51 51 H 1.08999 * 109.49649 * 298.56955 * 27 10 7 52 52 H 1.09002 * 109.49469 * 58.62944 * 27 10 7 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 1.3050 0.0000 4 6 2.0635 -1.3052 0.0006 5 6 2.4273 -1.6846 -1.4363 6 7 3.1623 -2.9565 -1.4357 7 6 3.5295 -3.3529 -2.8018 8 1 3.7585 -2.4637 -3.3890 9 6 2.3623 -4.1032 -3.4463 10 6 4.7579 -4.2638 -2.7556 11 6 5.1408 -4.6761 -4.1788 12 6 6.3497 -5.6156 -4.1263 13 7 7.4288 -4.9563 -3.3783 14 6 8.6580 -4.8278 -3.9159 15 8 8.8804 -5.2540 -5.0293 16 6 9.7542 -4.1485 -3.1361 17 16 11.2737 -4.1335 -4.1195 18 6 12.3545 -3.3072 -2.9998 19 1 11.9895 -2.9842 -2.0361 20 6 13.6748 -3.0705 -3.3569 21 7 14.1193 -3.4628 -4.5321 22 14 14.8205 -2.1938 -2.1701 23 1 14.9238 -2.9767 -0.9125 24 1 16.1661 -2.0657 -2.7848 25 1 14.2824 -0.8428 -1.8695 26 6 7.1440 -4.4451 -2.0305 27 6 5.9249 -3.5137 -2.1092 28 1 -0.5399 0.9354 -0.0004 29 1 -0.5401 -0.9353 -0.0004 30 1 2.6902 1.3628 -0.8899 31 1 1.3553 2.1335 -0.0005 32 1 2.6902 1.3627 0.8900 33 1 1.4385 -2.0854 0.4352 34 1 2.9741 -1.1988 0.5900 35 1 3.0523 -0.9045 -1.8709 36 1 1.5167 -1.7910 -2.0257 37 1 3.9775 -2.9028 -0.8436 38 1 1.4871 -3.4543 -3.4792 39 1 2.6349 -4.3977 -4.4597 40 1 2.1333 -4.9926 -2.8590 41 1 4.5285 -5.1533 -2.1687 42 1 5.3945 -3.7888 -4.7588 43 1 4.3012 -5.1895 -4.6476 44 1 6.6875 -5.8333 -5.1395 45 1 6.0708 -6.5423 -3.6248 46 1 9.4577 -3.1245 -2.9091 47 1 9.9286 -4.6908 -2.2068 48 1 15.0418 -3.2971 -4.7818 49 1 6.9285 -5.2784 -1.3616 50 1 8.0061 -3.8903 -1.6604 51 1 6.1711 -2.6375 -2.7091 52 1 5.6432 -3.1991 -1.1043 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 ZINC001714802511.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 06:08:17 Heat of formation + Delta-G solvation = -37.280595 kcal Electronic energy + Delta-G solvation = -27176.661619 eV Core-core repulsion = 23494.835623 eV Total energy + Delta-G solvation = -3681.825996 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) -40.16849 -38.58362 -37.19158 -35.72072 -33.20605 -32.43468 -31.49756 -30.71955 -28.89332 -28.16962 -27.54348 -25.60959 -25.32012 -23.31277 -22.80595 -21.62117 -20.40053 -19.05923 -18.71995 -17.71150 -16.87087 -16.41086 -15.70136 -15.56952 -15.35221 -15.08231 -14.90846 -14.81013 -14.43246 -14.22397 -13.91620 -13.82108 -13.60245 -13.42967 -13.25505 -12.95003 -12.75191 -12.63449 -12.53249 -12.21256 -12.10236 -11.95674 -11.84466 -11.77962 -11.47033 -11.39061 -11.24262 -11.04928 -11.04677 -10.80276 -10.76976 -10.58694 -10.56549 -9.81528 -9.44082 -9.33616 -9.06595 -8.77135 -8.50498 -8.23178 -6.50637 -6.21916 -3.92678 1.81859 2.94659 3.06258 3.22625 3.25321 3.28493 3.59192 3.74509 4.19657 4.36141 4.44226 4.48101 4.52884 4.56250 4.82552 4.87180 4.89950 4.99429 5.08054 5.10865 5.12949 5.14253 5.19060 5.21055 5.24331 5.27138 5.37048 5.44212 5.49868 5.52319 5.55993 5.57163 5.59105 5.63993 5.67668 5.69098 5.72966 5.79736 5.85280 5.87640 5.98468 6.03979 6.10638 6.17730 6.24529 6.47105 6.66974 6.71785 7.05338 7.57177 7.59128 8.34284 8.57522 9.23027 10.85401 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.011991 B = 0.002150 C = 0.001870 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2334.439595 B =13018.192148 C =14969.277308 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.196 4.196 2 C -0.124 4.124 3 C -0.122 4.122 4 C -0.085 4.085 5 C 0.066 3.934 6 N -0.688 5.688 7 C 0.089 3.911 8 H 0.044 0.956 9 C -0.141 4.141 10 C -0.087 4.087 11 C -0.128 4.128 12 C 0.113 3.887 13 N -0.620 5.620 14 C 0.535 3.465 15 O -0.518 6.518 16 C -0.150 4.150 17 S -0.061 6.061 18 C -0.536 4.536 19 H 0.072 0.928 20 C 0.074 3.926 21 N -0.867 5.867 22 Si 0.918 3.082 23 H -0.274 1.274 24 H -0.283 1.283 25 H -0.274 1.274 26 C 0.110 3.890 27 C -0.134 4.134 28 H 0.096 0.904 29 H 0.097 0.903 30 H 0.065 0.935 31 H 0.061 0.939 32 H 0.066 0.934 33 H 0.077 0.923 34 H 0.068 0.932 35 H 0.030 0.970 36 H 0.071 0.929 37 H 0.341 0.659 38 H 0.050 0.950 39 H 0.060 0.940 40 H 0.061 0.939 41 H 0.081 0.919 42 H 0.067 0.933 43 H 0.078 0.922 44 H 0.093 0.907 45 H 0.063 0.937 46 H 0.088 0.912 47 H 0.088 0.912 48 H 0.269 0.731 49 H 0.068 0.932 50 H 0.090 0.910 51 H 0.068 0.932 52 H 0.072 0.928 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -27.841 3.251 9.097 29.470 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 -0.233 4.233 2 C -0.125 4.125 3 C -0.178 4.178 4 C -0.122 4.122 5 C -0.064 4.064 6 N -0.322 5.322 7 C -0.020 4.020 8 H 0.062 0.938 9 C -0.199 4.199 10 C -0.106 4.106 11 C -0.167 4.167 12 C -0.009 4.009 13 N -0.356 5.356 14 C 0.323 3.677 15 O -0.392 6.392 16 C -0.301 4.301 17 S 0.166 5.834 18 C -0.684 4.684 19 H 0.090 0.910 20 C -0.136 4.136 21 N -0.502 5.502 22 Si 0.745 3.255 23 H -0.199 1.199 24 H -0.208 1.208 25 H -0.200 1.200 26 C -0.013 4.013 27 C -0.173 4.173 28 H 0.114 0.886 29 H 0.116 0.884 30 H 0.084 0.916 31 H 0.080 0.920 32 H 0.085 0.915 33 H 0.096 0.904 34 H 0.086 0.914 35 H 0.048 0.952 36 H 0.090 0.910 37 H 0.162 0.838 38 H 0.069 0.931 39 H 0.079 0.921 40 H 0.080 0.920 41 H 0.100 0.900 42 H 0.085 0.915 43 H 0.096 0.904 44 H 0.111 0.889 45 H 0.081 0.919 46 H 0.106 0.894 47 H 0.107 0.893 48 H 0.079 0.921 49 H 0.086 0.914 50 H 0.108 0.892 51 H 0.087 0.913 52 H 0.091 0.909 Dipole moment (debyes) X Y Z Total from point charges -27.900 2.218 7.318 28.929 hybrid contribution 1.089 1.811 1.978 2.895 sum -26.811 4.028 9.297 28.662 Atomic orbital electron populations 1.23745 0.95203 1.01859 1.02488 1.21725 0.95461 0.95667 0.99636 1.20897 1.00305 0.94352 1.02268 1.20637 1.00378 0.94347 0.96866 1.21933 0.98509 0.89616 0.96300 1.60596 1.29191 1.31577 1.10828 1.21529 0.94399 0.97031 0.89080 0.93833 1.21844 0.97410 1.00616 1.00012 1.21309 0.93301 0.98865 0.97152 1.22006 0.97929 1.00454 0.96268 1.21505 0.86432 0.94495 0.98518 1.48105 1.10319 1.60056 1.17142 1.20329 0.82325 0.78603 0.86491 1.90685 1.80999 1.48084 1.19467 1.23553 1.00345 1.02409 1.03778 1.85406 0.98183 1.77067 1.22774 1.22814 0.97648 1.43823 1.04110 0.91026 1.24992 0.97234 0.95563 0.95785 1.70004 1.16644 1.44040 1.19554 0.86231 0.79186 0.79766 0.80360 1.19927 1.20802 1.19957 1.21753 0.98321 0.97370 0.83864 1.22114 0.95175 0.99000 1.00991 0.88573 0.88437 0.91577 0.92041 0.91520 0.90430 0.91358 0.95198 0.91007 0.83787 0.93095 0.92144 0.91968 0.90031 0.91462 0.90381 0.88862 0.91893 0.89378 0.89326 0.92124 0.91377 0.89207 0.91335 0.90942 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 -0.20 -1.24 13.90 29.01 0.40 -0.84 16 2 C -0.12 -0.82 5.31 -101.07 -0.54 -1.36 16 3 C -0.12 -0.72 10.12 36.00 0.36 -0.35 16 4 C -0.08 -0.55 5.64 -27.88 -0.16 -0.71 16 5 C 0.07 0.46 5.47 -3.82 -0.02 0.44 16 6 N -0.69 -5.04 6.31 -106.72 -0.67 -5.71 16 7 C 0.09 0.68 2.23 -67.71 -0.15 0.53 16 8 H 0.04 0.38 7.80 -51.93 -0.40 -0.03 16 9 C -0.14 -1.03 9.07 37.16 0.34 -0.69 16 10 C -0.09 -0.70 1.87 -90.58 -0.17 -0.87 16 11 C -0.13 -1.19 5.04 -26.61 -0.13 -1.32 16 12 C 0.11 1.35 6.43 -3.71 -0.02 1.33 16 13 N -0.62 -8.71 2.97 -172.50 -0.51 -9.23 16 14 C 0.53 10.23 7.72 -10.98 -0.08 10.15 16 15 O -0.52 -11.94 15.27 5.56 0.08 -11.86 16 16 C -0.15 -3.06 4.50 36.01 0.16 -2.90 16 17 S -0.06 -1.66 20.57 -107.50 -2.21 -3.88 16 18 C -0.54 -15.24 9.50 30.94 0.29 -14.95 16 19 H 0.07 1.92 7.80 -52.49 -0.41 1.51 16 20 C 0.07 2.10 5.49 -17.43 -0.10 2.00 16 21 N -0.87 -26.16 13.22 55.49 0.73 -25.43 16 22 Si 0.92 21.35 29.55 -169.99 -5.02 16.32 16 23 H -0.27 -6.21 7.11 56.52 0.40 -5.80 16 24 H -0.28 -6.46 7.11 56.52 0.40 -6.06 16 25 H -0.27 -6.21 7.11 56.52 0.40 -5.81 16 26 C 0.11 1.17 6.37 -3.49 -0.02 1.15 16 27 C -0.13 -1.15 5.17 -26.39 -0.14 -1.29 16 28 H 0.10 0.53 7.83 -52.49 -0.41 0.12 16 29 H 0.10 0.58 7.99 -52.48 -0.42 0.16 16 30 H 0.07 0.39 8.14 -51.93 -0.42 -0.03 16 31 H 0.06 0.33 7.78 -51.93 -0.40 -0.08 16 32 H 0.07 0.37 8.14 -51.93 -0.42 -0.05 16 33 H 0.08 0.53 7.99 -51.93 -0.41 0.12 16 34 H 0.07 0.43 8.14 -51.93 -0.42 0.00 16 35 H 0.03 0.23 8.05 -51.93 -0.42 -0.19 16 36 H 0.07 0.55 7.44 -51.93 -0.39 0.16 16 37 H 0.34 2.34 6.14 -39.29 -0.24 2.10 16 38 H 0.05 0.37 7.46 -51.93 -0.39 -0.01 16 39 H 0.06 0.41 6.40 -51.93 -0.33 0.08 16 40 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 41 H 0.08 0.66 8.14 -51.93 -0.42 0.24 16 42 H 0.07 0.72 8.14 -51.93 -0.42 0.29 16 43 H 0.08 0.60 6.36 -51.93 -0.33 0.27 16 44 H 0.09 1.30 7.00 -51.93 -0.36 0.94 16 45 H 0.06 0.66 8.14 -51.93 -0.42 0.23 16 46 H 0.09 1.66 7.70 -51.92 -0.40 1.26 16 47 H 0.09 1.67 7.93 -51.91 -0.41 1.26 16 48 H 0.27 7.55 8.31 -40.82 -0.34 7.21 16 49 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 50 H 0.09 0.99 5.93 -51.93 -0.31 0.68 16 51 H 0.07 0.68 8.14 -51.93 -0.42 0.26 16 52 H 0.07 0.49 6.16 -51.93 -0.32 0.17 16 LS Contribution 418.41 15.07 6.31 6.31 Total: -1.00 -33.30 418.41 -10.57 -43.87 By element: Atomic # 1 Polarization: 8.57 SS G_CDS: -9.30 Total: -0.73 kcal Atomic # 6 Polarization: -9.70 SS G_CDS: 0.03 Total: -9.67 kcal Atomic # 7 Polarization: -39.92 SS G_CDS: -0.45 Total: -40.37 kcal Atomic # 8 Polarization: -11.94 SS G_CDS: 0.08 Total: -11.86 kcal Atomic # 14 Polarization: 21.35 SS G_CDS: -5.02 Total: 16.32 kcal Atomic # 16 Polarization: -1.66 SS G_CDS: -2.21 Total: -3.88 kcal Total LS contribution 6.31 Total: 6.31 kcal Total: -33.30 -10.57 -43.87 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. ZINC001714802511.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 6.590 kcal (2) G-P(sol) polarization free energy of solvation -33.301 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -26.710 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.570 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.871 kcal (6) G-S(sol) free energy of system = (1) + (5) -37.281 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.70 seconds