Wall clock time and date at job start Tue Mar 31 2020 19:43:48 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 C 1.53006 * 109.47420 * 2 1 4 4 H 1.08997 * 109.46708 * 306.43595 * 3 2 1 5 5 N 1.46894 * 109.46885 * 66.43311 * 3 2 1 6 6 C 1.46901 * 110.99940 * 202.95848 * 5 3 2 7 7 C 1.52998 * 109.47139 * 180.96848 * 6 5 3 8 8 H 1.08995 * 109.47744 * 305.00776 * 7 6 5 9 9 O 1.42903 * 109.46872 * 65.00614 * 7 6 5 10 10 C 1.53004 * 109.47382 * 185.00280 * 7 6 5 11 11 N 1.46897 * 109.47378 * 175.59481 * 10 7 6 12 12 C 1.46897 * 111.00019 * 164.54401 * 11 10 7 13 13 C 1.46902 * 110.99841 * 288.49448 * 11 10 7 14 14 C 1.50697 * 109.47114 * 169.99954 * 13 11 10 15 15 H 1.07993 * 120.00298 * 0.02562 * 14 13 11 16 16 C 1.37884 * 119.99642 * 180.02562 * 14 13 11 17 17 N 1.31513 * 120.00320 * 0.02562 * 16 14 13 18 18 Si 1.86805 * 119.99752 * 180.02562 * 16 14 13 19 19 H 1.48493 * 109.47117 * 89.99790 * 18 16 14 20 20 H 1.48501 * 109.47155 * 210.00272 * 18 16 14 21 21 H 1.48506 * 109.46958 * 329.99986 * 18 16 14 22 22 C 1.50700 * 109.47002 * 186.43302 * 3 2 1 23 23 C 1.38265 * 119.94691 * 279.72617 * 22 3 2 24 24 C 1.38148 * 120.05268 * 179.72899 * 23 22 3 25 25 C 1.38733 * 119.94664 * 0.54809 * 24 23 22 26 26 O 1.35894 * 120.05717 * 179.74999 * 25 24 23 27 27 C 1.42902 * 117.00088 * 359.97438 * 26 25 24 28 28 C 1.38730 * 119.88757 * 359.72486 * 25 24 23 29 29 C 1.38150 * 119.94328 * 0.02562 * 28 25 24 30 30 H 1.09001 * 109.46694 * 53.40730 * 1 2 3 31 31 H 1.08990 * 109.47277 * 173.40464 * 1 2 3 32 32 H 1.09001 * 109.46941 * 293.40715 * 1 2 3 33 33 H 1.09008 * 109.47602 * 239.99904 * 2 1 3 34 34 H 1.09004 * 109.47292 * 119.99978 * 2 1 3 35 35 H 1.00898 * 111.00350 * 326.91556 * 5 3 2 36 36 H 1.09006 * 109.46795 * 60.97323 * 6 5 3 37 37 H 1.08999 * 109.47584 * 300.97074 * 6 5 3 38 38 H 0.96698 * 114.00308 * 60.00342 * 9 7 6 39 39 H 1.08998 * 109.46738 * 55.59038 * 10 7 6 40 40 H 1.09000 * 109.46917 * 295.59608 * 10 7 6 41 41 H 1.09000 * 109.47246 * 185.11316 * 12 11 10 42 42 H 1.08997 * 109.47345 * 65.11142 * 12 11 10 43 43 H 1.09000 * 109.47054 * 305.10940 * 12 11 10 44 44 H 1.08997 * 109.46987 * 290.00453 * 13 11 10 45 45 H 1.09003 * 109.46873 * 49.99788 * 13 11 10 46 46 H 0.97000 * 119.99940 * 180.02562 * 17 16 14 47 47 H 1.07997 * 119.96841 * 0.02562 * 23 22 3 48 48 H 1.07999 * 120.02288 * 180.27033 * 24 23 22 49 49 H 1.08995 * 109.46956 * 59.99840 * 27 26 25 50 50 H 1.08991 * 109.47360 * 180.02562 * 27 26 25 51 51 H 1.09008 * 109.47004 * 300.00157 * 27 26 25 52 52 H 1.08002 * 120.02837 * 179.97438 * 28 25 24 53 53 H 1.08002 * 119.97101 * 180.02562 * 29 28 25 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 6 2.0400 1.4425 0.0000 4 1 1.5857 1.9885 -0.8268 5 7 1.6812 2.0887 1.2694 6 6 1.6459 3.5501 1.1247 7 6 1.2932 4.1875 2.4701 8 1 0.3587 3.7645 2.8388 9 8 2.3377 3.9259 3.4096 10 6 1.1339 5.6988 2.2925 11 7 0.6926 6.2970 3.5594 12 6 0.8775 7.7543 3.5462 13 6 -0.7043 5.9463 3.8489 14 6 -1.0458 6.3638 5.2560 15 1 -0.3001 6.8423 5.8734 16 6 -2.3106 6.1349 5.7551 17 7 -3.2187 5.5518 5.0035 18 14 -2.7343 6.6531 7.4992 19 1 -3.2594 8.0420 7.4891 20 1 -3.7655 5.7379 8.0508 21 1 -1.5146 6.5911 8.3440 22 6 3.5386 1.4454 -0.1592 23 6 4.3493 1.2003 0.9337 24 6 5.7232 1.1969 0.7891 25 6 6.2896 1.4509 -0.4516 26 8 7.6409 1.4531 -0.5953 27 6 8.4181 1.1866 0.5739 28 6 5.4741 1.7020 -1.5454 29 6 4.1007 1.6992 -1.3967 30 1 -0.3633 0.6126 -0.8251 31 1 -0.3633 -1.0208 -0.1180 32 1 -0.3633 0.4083 0.9431 33 1 1.8934 -0.5139 -0.8900 34 1 1.8933 -0.5138 0.8900 35 1 0.8013 1.7385 1.6175 36 1 0.8938 3.8239 0.3847 37 1 2.6230 3.9068 0.7988 38 1 3.2003 4.2747 3.1460 39 1 0.3921 5.8975 1.5190 40 1 2.0897 6.1329 1.9992 41 1 0.6287 8.1610 4.5263 42 1 0.2253 8.1964 2.7931 43 1 1.9157 7.9866 3.3093 44 1 -1.3609 6.4610 3.1475 45 1 -0.8369 4.8691 3.7471 46 1 -4.1085 5.3911 5.3546 47 1 3.9079 1.0067 1.9002 48 1 6.3558 1.0011 1.6422 49 1 8.1663 0.1990 0.9603 50 1 9.4778 1.2188 0.3209 51 1 8.2030 1.9392 1.3325 52 1 5.9127 1.9004 -2.5123 53 1 3.4654 1.8943 -2.2481 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC000578328601.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 19:43:48 Heat of formation + Delta-G solvation = -61.937964 kcal Electronic energy + Delta-G solvation = -29494.971557 eV Core-core repulsion = 25559.779518 eV Total energy + Delta-G solvation = -3935.192039 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.85 seconds Orbital eigenvalues (eV) -40.36000 -38.75611 -37.74045 -36.23298 -35.24175 -32.55888 -32.41683 -31.18536 -30.59226 -29.21603 -27.70098 -27.26754 -25.97903 -24.68351 -23.28881 -22.81976 -22.06488 -21.44142 -20.39753 -19.87234 -18.30400 -16.71653 -16.50684 -16.31132 -15.94641 -15.74385 -15.47880 -15.10222 -14.91770 -14.63089 -14.54690 -14.11944 -13.89994 -13.72226 -13.52015 -13.42894 -13.00427 -12.95821 -12.89771 -12.65105 -12.38057 -12.14589 -11.95379 -11.78301 -11.51134 -11.38877 -11.24298 -11.10707 -11.04391 -10.95134 -10.89144 -10.74191 -10.65027 -10.63686 -10.31141 -9.72086 -9.44924 -9.09678 -9.08449 -8.41426 -8.38697 -8.19812 -7.17281 -6.00023 -4.00035 1.23616 1.34105 3.06956 3.34047 3.40108 3.45590 3.63596 4.02480 4.45765 4.59905 4.67893 4.75845 4.83352 4.86772 4.88619 4.93002 4.99562 5.01288 5.18297 5.19664 5.29663 5.33533 5.35331 5.36487 5.43933 5.54591 5.58820 5.61287 5.69654 5.76532 5.79952 5.81571 5.93923 5.99634 6.07724 6.10678 6.13043 6.17916 6.31713 6.35955 6.52851 6.57792 6.64831 6.73881 7.06039 7.21948 7.30162 7.33410 7.40803 7.83317 8.11129 8.20466 8.29461 8.58959 9.07198 9.63689 11.11134 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.014017 B = 0.002386 C = 0.002197 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1997.138558 B =11733.198076 C =12742.287194 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.159 4.159 2 C -0.120 4.120 3 C 0.129 3.871 4 H 0.048 0.952 5 N -0.672 5.672 6 C 0.030 3.970 7 C 0.119 3.881 8 H 0.101 0.899 9 O -0.532 6.532 10 C 0.026 3.974 11 N -0.531 5.531 12 C 0.040 3.960 13 C 0.192 3.808 14 C -0.502 4.502 15 H 0.063 0.937 16 C 0.054 3.946 17 N -0.901 5.901 18 Si 0.897 3.103 19 H -0.282 1.282 20 H -0.287 1.287 21 H -0.272 1.272 22 C -0.110 4.110 23 C -0.042 4.042 24 C -0.212 4.212 25 C 0.120 3.880 26 O -0.322 6.322 27 C 0.028 3.972 28 C -0.157 4.157 29 C -0.081 4.081 30 H 0.053 0.947 31 H 0.058 0.942 32 H 0.060 0.940 33 H 0.067 0.933 34 H 0.074 0.926 35 H 0.347 0.653 36 H 0.034 0.966 37 H 0.071 0.929 38 H 0.359 0.641 39 H 0.028 0.972 40 H 0.060 0.940 41 H 0.073 0.927 42 H 0.009 0.991 43 H 0.042 0.958 44 H -0.013 1.013 45 H 0.031 0.969 46 H 0.260 0.740 47 H 0.137 0.863 48 H 0.125 0.875 49 H 0.054 0.946 50 H 0.097 0.903 51 H 0.056 0.944 52 H 0.126 0.874 53 H 0.123 0.877 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 17.341 -10.909 -14.564 25.136 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 -0.216 4.216 2 C -0.158 4.158 3 C 0.020 3.980 4 H 0.066 0.934 5 N -0.305 5.305 6 C -0.100 4.100 7 C 0.059 3.941 8 H 0.119 0.881 9 O -0.334 6.334 10 C -0.103 4.103 11 N -0.255 5.255 12 C -0.108 4.108 13 C 0.067 3.933 14 C -0.541 4.541 15 H 0.081 0.919 16 C -0.147 4.147 17 N -0.541 5.541 18 Si 0.725 3.275 19 H -0.208 1.208 20 H -0.213 1.213 21 H -0.197 1.197 22 C -0.111 4.111 23 C -0.060 4.060 24 C -0.231 4.231 25 C 0.075 3.925 26 O -0.236 6.236 27 C -0.067 4.067 28 C -0.176 4.176 29 C -0.099 4.099 30 H 0.072 0.928 31 H 0.077 0.923 32 H 0.079 0.921 33 H 0.086 0.914 34 H 0.092 0.908 35 H 0.167 0.833 36 H 0.052 0.948 37 H 0.090 0.910 38 H 0.204 0.796 39 H 0.046 0.954 40 H 0.078 0.922 41 H 0.092 0.908 42 H 0.028 0.972 43 H 0.061 0.939 44 H 0.005 0.995 45 H 0.049 0.951 46 H 0.070 0.930 47 H 0.155 0.845 48 H 0.143 0.857 49 H 0.073 0.927 50 H 0.116 0.884 51 H 0.075 0.925 52 H 0.144 0.856 53 H 0.141 0.859 Dipole moment (debyes) X Y Z Total from point charges 17.691 -11.435 -13.768 25.165 hybrid contribution -1.252 1.042 -0.410 1.679 sum 16.439 -10.394 -14.177 24.068 Atomic orbital electron populations 1.21859 0.95559 1.02062 1.02136 1.21683 0.95740 0.95456 1.02925 1.20391 0.91228 0.94846 0.91576 0.93387 1.60355 1.38868 1.04554 1.26747 1.22728 1.00931 0.88222 0.98089 1.21872 0.92163 0.92937 0.87155 0.88080 1.86676 1.19077 1.80625 1.47013 1.22682 0.99371 0.95670 0.92618 1.62040 1.26017 1.08864 1.28586 1.22190 0.98062 0.89067 1.01527 1.19775 0.80819 0.96415 0.96264 1.21154 0.96405 1.38422 0.98120 0.91900 1.24984 0.96369 0.95469 0.97873 1.69952 1.04290 1.43261 1.36574 0.86505 0.78156 0.78174 0.84643 1.20835 1.21272 1.19726 1.19752 0.95231 1.02892 0.93196 1.20903 0.91570 0.94305 0.99252 1.21306 0.96597 1.08811 0.96362 1.19055 0.82392 0.96845 0.94194 1.86039 1.15190 1.86406 1.35951 1.23034 0.95443 1.00716 0.87519 1.20299 0.92591 1.07065 0.97637 1.20819 0.93714 0.98299 0.97084 0.92798 0.92297 0.92150 0.91403 0.90773 0.83254 0.94752 0.91043 0.79588 0.95426 0.92172 0.90800 0.97236 0.93883 0.99497 0.95067 0.93018 0.84526 0.85690 0.92692 0.88438 0.92533 0.85636 0.85866 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 -0.16 -1.39 9.63 37.16 0.36 -1.03 16 2 C -0.12 -1.08 5.50 -26.73 -0.15 -1.23 16 3 C 0.13 1.31 2.23 -68.86 -0.15 1.16 16 4 H 0.05 0.49 7.69 -51.93 -0.40 0.09 16 5 N -0.67 -7.97 5.47 -107.95 -0.59 -8.56 16 6 C 0.03 0.39 5.11 -3.82 -0.02 0.37 16 7 C 0.12 1.95 3.20 -26.73 -0.09 1.86 16 8 H 0.10 1.96 6.44 -51.93 -0.33 1.63 16 9 O -0.53 -9.14 13.23 -35.23 -0.47 -9.61 16 10 C 0.03 0.46 4.61 -3.82 -0.02 0.45 16 11 N -0.53 -11.62 4.65 -244.38 -1.14 -12.76 16 12 C 0.04 0.80 9.33 60.06 0.56 1.36 16 13 C 0.19 5.06 4.57 -4.98 -0.02 5.03 16 14 C -0.50 -14.37 8.53 -34.44 -0.29 -14.67 16 15 H 0.06 1.80 7.10 -52.49 -0.37 1.42 16 16 C 0.05 1.55 5.46 -17.82 -0.10 1.45 16 17 N -0.90 -26.92 13.29 55.43 0.74 -26.18 16 18 Si 0.90 21.98 29.54 -169.99 -5.02 16.96 16 19 H -0.28 -6.78 7.11 56.52 0.40 -6.38 16 20 H -0.29 -6.95 7.11 56.52 0.40 -6.55 16 21 H -0.27 -6.60 7.11 56.52 0.40 -6.20 16 22 C -0.11 -1.16 4.60 -104.60 -0.48 -1.64 16 23 C -0.04 -0.46 9.32 -39.60 -0.37 -0.83 16 24 C -0.21 -2.21 9.04 -39.43 -0.36 -2.57 16 25 C 0.12 1.30 6.69 -39.22 -0.26 1.04 16 26 O -0.32 -3.32 10.50 -19.41 -0.20 -3.53 16 27 C 0.03 0.19 9.81 101.05 0.99 1.18 16 28 C -0.16 -1.62 9.99 -39.43 -0.39 -2.02 16 29 C -0.08 -0.80 9.66 -39.60 -0.38 -1.18 16 30 H 0.05 0.46 8.13 -51.93 -0.42 0.04 16 31 H 0.06 0.46 8.14 -51.93 -0.42 0.04 16 32 H 0.06 0.57 6.72 -51.93 -0.35 0.22 16 33 H 0.07 0.57 8.14 -51.92 -0.42 0.14 16 34 H 0.07 0.71 8.14 -51.93 -0.42 0.28 16 35 H 0.35 4.24 6.69 -39.29 -0.26 3.97 16 36 H 0.03 0.44 8.08 -51.93 -0.42 0.02 16 37 H 0.07 0.90 7.90 -51.93 -0.41 0.48 16 38 H 0.36 4.95 9.05 45.56 0.41 5.36 16 39 H 0.03 0.49 8.06 -51.93 -0.42 0.07 16 40 H 0.06 0.92 7.89 -51.93 -0.41 0.51 16 41 H 0.07 1.56 6.89 -51.93 -0.36 1.20 16 42 H 0.01 0.18 8.14 -51.93 -0.42 -0.24 16 43 H 0.04 0.72 7.98 -51.93 -0.41 0.30 16 44 H -0.01 -0.36 8.12 -51.93 -0.42 -0.78 16 45 H 0.03 0.87 6.31 -51.93 -0.33 0.54 16 46 H 0.26 7.36 8.31 -40.82 -0.34 7.02 16 47 H 0.14 1.58 7.70 -52.49 -0.40 1.18 16 48 H 0.13 1.09 6.30 -52.49 -0.33 0.76 16 49 H 0.05 0.32 7.66 -51.93 -0.40 -0.08 16 50 H 0.10 0.45 8.14 -51.93 -0.42 0.02 16 51 H 0.06 0.35 7.66 -51.92 -0.40 -0.05 16 52 H 0.13 1.13 8.06 -52.49 -0.42 0.70 16 53 H 0.12 1.00 8.03 -52.49 -0.42 0.58 16 LS Contribution 422.74 15.07 6.37 6.37 Total: -1.00 -32.22 422.74 -10.02 -42.24 By element: Atomic # 1 Polarization: 14.85 SS G_CDS: -8.53 Total: 6.32 kcal Atomic # 6 Polarization: -10.09 SS G_CDS: -1.17 Total: -11.26 kcal Atomic # 7 Polarization: -46.50 SS G_CDS: -0.99 Total: -47.50 kcal Atomic # 8 Polarization: -12.47 SS G_CDS: -0.67 Total: -13.14 kcal Atomic # 14 Polarization: 21.98 SS G_CDS: -5.02 Total: 16.96 kcal Total LS contribution 6.37 Total: 6.37 kcal Total: -32.22 -10.02 -42.24 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. ZINC000578328601.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 -19.700 kcal (2) G-P(sol) polarization free energy of solvation -32.223 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -51.923 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.015 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.238 kcal (6) G-S(sol) free energy of system = (1) + (5) -61.938 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.85 seconds