Wall clock time and date at job start Wed Apr 1 2020 02:12:02 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 1.50703 * 1 3 3 C 1.38258 * 120.00086 * 2 1 4 4 C 1.38210 * 120.00006 * 180.02562 * 3 2 1 5 5 C 1.38257 * 119.99957 * 359.97438 * 4 3 2 6 6 C 1.38217 * 120.00204 * 0.02562 * 5 4 3 7 7 C 1.38212 * 119.99690 * 180.02562 * 2 1 3 8 8 C 1.50702 * 120.00586 * 359.97228 * 7 2 1 9 9 H 1.09004 * 115.54297 * 334.31202 * 8 7 2 10 10 C 1.52991 * 117.49964 * 188.59965 * 8 7 2 11 11 C 1.52998 * 60.00309 * 252.51182 * 10 8 7 12 12 H 1.08994 * 117.51751 * 107.48198 * 11 10 8 13 13 C 1.50701 * 117.49928 * 252.51455 * 11 10 8 14 14 O 1.21284 * 119.99840 * 68.61910 * 13 11 10 15 15 N 1.34776 * 120.00142 * 248.61971 * 13 11 10 16 16 C 1.46495 * 120.00240 * 175.06686 * 15 13 11 17 17 C 1.53001 * 109.47197 * 184.97453 * 16 15 13 18 18 C 1.52999 * 109.47161 * 183.98198 * 17 16 15 19 19 C 1.53002 * 115.54829 * 65.33006 * 18 17 16 20 20 N 1.46502 * 109.47206 * 65.04700 * 19 18 17 21 21 C 1.36930 * 119.99844 * 185.03335 * 20 19 18 22 22 H 1.08002 * 120.00541 * 4.97063 * 21 20 19 23 23 C 1.38815 * 119.99929 * 184.98132 * 21 20 19 24 24 N 1.31622 * 120.00091 * 184.70457 * 23 21 20 25 25 Si 1.86802 * 119.99874 * 4.70665 * 23 21 20 26 26 H 1.48502 * 109.47301 * 94.27596 * 25 23 21 27 27 H 1.48499 * 109.47285 * 214.27655 * 25 23 21 28 28 H 1.48501 * 109.47043 * 334.27403 * 25 23 21 29 29 C 1.53000 * 117.49704 * 279.65981 * 18 17 16 30 30 C 1.52999 * 117.49799 * 211.00146 * 18 17 16 31 31 H 1.09007 * 109.46807 * 269.97383 * 1 2 3 32 32 H 1.09000 * 109.47276 * 29.97234 * 1 2 3 33 33 H 1.08993 * 109.47367 * 149.97528 * 1 2 3 34 34 H 1.08004 * 119.99500 * 0.02562 * 3 2 1 35 35 H 1.08000 * 120.00202 * 180.02562 * 4 3 2 36 36 H 1.08002 * 120.00235 * 180.30460 * 5 4 3 37 37 H 1.07992 * 120.00235 * 179.97438 * 6 5 4 38 38 H 1.09001 * 117.50640 * 0.02562 * 10 8 7 39 39 H 1.09003 * 117.49735 * 145.02260 * 10 8 7 40 40 H 0.97000 * 119.99713 * 355.06796 * 15 13 11 41 41 H 1.08998 * 109.47208 * 304.97672 * 16 15 13 42 42 H 1.09006 * 109.46979 * 64.97592 * 16 15 13 43 43 H 1.08996 * 109.47065 * 303.98724 * 17 16 15 44 44 H 1.08998 * 109.46578 * 63.98532 * 17 16 15 45 45 H 1.09000 * 109.46856 * 185.04641 * 19 18 17 46 46 H 1.08998 * 109.47228 * 305.04561 * 19 18 17 47 47 H 0.97002 * 119.99627 * 5.02577 * 20 19 18 48 48 H 0.96996 * 119.99934 * 179.97438 * 24 23 21 49 49 H 1.08996 * 117.50441 * 0.02562 * 29 18 17 50 50 H 1.09005 * 117.49889 * 145.02352 * 29 18 17 51 51 H 1.09007 * 117.50017 * 214.97898 * 30 18 17 52 52 H 1.08994 * 117.50003 * 359.97438 * 30 18 17 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 1.5070 0.0000 0.0000 3 6 2.1983 1.1973 0.0000 4 6 3.5804 1.1973 -0.0005 5 6 4.2717 0.0000 -0.0005 6 6 3.5806 -1.1970 -0.0005 7 6 2.1980 -1.1970 -0.0005 8 6 1.4446 -2.5021 -0.0005 9 1 0.4422 -2.4662 0.4263 10 6 2.2535 -3.7848 0.2018 11 6 1.6782 -3.4527 -1.1764 12 1 2.3765 -3.1340 -1.9502 13 6 0.5049 -4.2682 -1.6556 14 8 -0.5736 -4.1564 -1.1122 15 7 0.6542 -5.1217 -2.6879 16 6 -0.4550 -5.9927 -3.0844 17 6 0.0119 -6.9415 -4.1902 18 6 -1.1711 -7.7829 -4.6734 19 6 -2.2936 -7.0071 -5.3656 20 7 -1.7892 -6.4271 -6.6128 21 6 -2.5886 -5.6000 -7.3557 22 1 -3.5603 -5.3108 -6.9835 23 6 -2.1501 -5.1333 -8.5873 24 7 -2.8771 -4.2658 -9.2591 25 14 -0.5284 -5.7366 -9.2912 26 1 -0.7790 -6.8864 -10.1970 27 1 0.1197 -4.6387 -10.0527 28 1 0.3635 -6.1643 -8.1835 29 6 -1.5672 -8.9956 -3.8288 30 6 -0.8734 -9.1961 -5.1784 31 1 -0.3633 -0.0005 1.0277 32 1 -0.3634 0.8902 -0.5134 33 1 -0.3634 -0.8897 -0.5142 34 1 1.6583 2.1326 0.0004 35 1 4.1205 2.1326 -0.0001 36 1 5.3517 -0.0001 0.0040 37 1 4.1206 -2.1323 -0.0010 38 1 3.3307 -3.6849 0.3353 39 1 1.7835 -4.5932 0.7620 40 1 1.4960 -5.1592 -3.1684 41 1 -0.7867 -6.5733 -2.2236 42 1 -1.2811 -5.3843 -3.4526 43 1 0.4093 -6.3613 -5.0230 44 1 0.7898 -7.5983 -3.8009 45 1 -3.1194 -7.6832 -5.5872 46 1 -2.6427 -6.2100 -4.7093 47 1 -0.8889 -6.6289 -6.9123 48 1 -2.5705 -3.9394 -10.1195 49 1 -0.9853 -9.1938 -2.9287 50 1 -2.6274 -9.2411 -3.7666 51 1 -1.4774 -9.5734 -6.0037 52 1 0.1653 -9.5263 -5.1669 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 ZINC001167437566.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 02:12:02 Heat of formation + Delta-G solvation = 40.239873 kcal Electronic energy + Delta-G solvation = -28793.740931 eV Core-core repulsion = 24952.521045 eV Total energy + Delta-G solvation = -3841.219886 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 342.205 amu Computer time = 1.19 seconds Orbital eigenvalues (eV) -40.55359 -39.45037 -38.42664 -36.60506 -34.81557 -34.04751 -33.07786 -31.13604 -30.96788 -30.08993 -27.13748 -26.37165 -25.07595 -24.21444 -22.87702 -22.32987 -21.74695 -21.67812 -20.65898 -20.12207 -18.80927 -17.74142 -17.34261 -16.73448 -16.08678 -15.60799 -15.52898 -15.16379 -15.03723 -14.67816 -14.47060 -14.35846 -14.03254 -13.83203 -13.55016 -13.33200 -13.17903 -12.76744 -12.63882 -12.47174 -12.40648 -12.39995 -12.19789 -12.00864 -11.68126 -11.43746 -11.33206 -11.22581 -11.17063 -10.95908 -10.88717 -10.73599 -10.69311 -10.17002 -9.92468 -9.84811 -9.61241 -9.47933 -9.04514 -9.01356 -8.85298 -8.71620 -7.19299 -5.75700 -3.10369 1.02038 1.12518 2.44434 3.05120 3.34418 3.37513 3.39783 3.44652 3.79010 3.93502 4.25960 4.43939 4.54780 4.59253 4.62458 4.66366 4.76636 4.84930 4.87944 4.93655 4.96775 5.03608 5.09557 5.19795 5.26024 5.33617 5.41642 5.43537 5.47958 5.52847 5.60548 5.62592 5.63391 5.67407 5.78291 5.79176 5.83212 5.85646 6.00015 6.06620 6.13210 6.24583 6.24797 6.28582 6.31520 6.33972 6.42643 6.46216 6.69605 6.73270 6.74508 7.48410 8.02808 8.20686 8.43896 9.24131 9.95979 10.17526 11.42876 Molecular weight = 342.20amu Principal moments of inertia in cm(-1) A = 0.010434 B = 0.002346 C = 0.002095 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2682.933537 B =11931.541005 C =13360.600211 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.123 4.123 2 C -0.071 4.071 3 C -0.119 4.119 4 C -0.120 4.120 5 C -0.125 4.125 6 C -0.117 4.117 7 C -0.055 4.055 8 C -0.083 4.083 9 H 0.129 0.871 10 C -0.145 4.145 11 C -0.177 4.177 12 H 0.124 0.876 13 C 0.541 3.459 14 O -0.539 6.539 15 N -0.723 5.723 16 C 0.123 3.877 17 C -0.088 4.088 18 C -0.126 4.126 19 C 0.190 3.810 20 N -0.752 5.752 21 C -0.241 4.241 22 H 0.089 0.911 23 C 0.003 3.997 24 N -0.934 5.934 25 Si 0.888 3.112 26 H -0.286 1.286 27 H -0.292 1.292 28 H -0.279 1.279 29 C -0.172 4.172 30 C -0.169 4.169 31 H 0.071 0.929 32 H 0.067 0.933 33 H 0.076 0.924 34 H 0.122 0.878 35 H 0.121 0.879 36 H 0.121 0.879 37 H 0.123 0.877 38 H 0.107 0.893 39 H 0.104 0.896 40 H 0.400 0.600 41 H 0.066 0.934 42 H 0.078 0.922 43 H 0.078 0.922 44 H 0.062 0.938 45 H 0.025 0.975 46 H 0.036 0.964 47 H 0.363 0.637 48 H 0.259 0.741 49 H 0.090 0.910 50 H 0.095 0.905 51 H 0.097 0.903 52 H 0.088 0.912 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 15.818 2.303 22.272 27.415 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 -0.179 4.179 2 C -0.071 4.071 3 C -0.137 4.137 4 C -0.138 4.138 5 C -0.143 4.143 6 C -0.134 4.134 7 C -0.055 4.055 8 C -0.101 4.101 9 H 0.147 0.853 10 C -0.182 4.182 11 C -0.198 4.198 12 H 0.142 0.858 13 C 0.327 3.673 14 O -0.416 6.416 15 N -0.374 5.374 16 C 0.000 4.000 17 C -0.126 4.126 18 C -0.127 4.127 19 C 0.063 3.937 20 N -0.398 5.398 21 C -0.371 4.371 22 H 0.107 0.893 23 C -0.192 4.192 24 N -0.582 5.582 25 Si 0.719 3.281 26 H -0.212 1.212 27 H -0.219 1.219 28 H -0.205 1.205 29 C -0.209 4.209 30 C -0.206 4.206 31 H 0.090 0.910 32 H 0.086 0.914 33 H 0.095 0.905 34 H 0.140 0.860 35 H 0.139 0.861 36 H 0.139 0.861 37 H 0.141 0.859 38 H 0.125 0.875 39 H 0.123 0.877 40 H 0.234 0.766 41 H 0.085 0.915 42 H 0.096 0.904 43 H 0.097 0.903 44 H 0.081 0.919 45 H 0.043 0.957 46 H 0.053 0.947 47 H 0.196 0.804 48 H 0.069 0.931 49 H 0.108 0.892 50 H 0.113 0.887 51 H 0.115 0.885 52 H 0.107 0.893 Dipole moment (debyes) X Y Z Total from point charges 14.808 2.491 22.579 27.116 hybrid contribution 1.669 -0.324 -1.081 2.015 sum 16.477 2.166 21.498 27.173 Atomic orbital electron populations 1.20897 0.90882 1.03608 1.02535 1.19785 0.96351 0.92309 0.98668 1.21056 0.94284 0.97478 1.00923 1.21143 0.94329 0.98086 1.00255 1.21087 0.99783 0.92447 1.01023 1.21038 0.93499 0.98307 1.00592 1.18991 0.92996 0.92732 1.00801 1.21083 1.00881 0.87838 1.00344 0.85288 1.23124 1.00302 0.98945 0.95841 1.22352 1.00324 1.03451 0.93673 0.85758 1.19542 0.88573 0.79371 0.79783 1.90706 1.27259 1.66293 1.57367 1.45930 1.17429 1.40282 1.33718 1.21386 0.89424 0.92007 0.97197 1.21213 0.96284 0.97239 0.97879 1.21632 0.98790 0.89296 1.03022 1.20181 0.91788 0.94272 0.87413 1.42719 1.15047 1.57959 1.24086 1.19063 0.99991 1.19665 0.98387 0.89338 1.24693 0.97990 0.99372 0.97184 1.69714 1.38814 1.34247 1.15433 0.86494 0.84658 0.78081 0.78908 1.21239 1.21863 1.20533 1.22984 1.01238 1.02188 0.94529 1.22989 1.01091 0.98904 0.97666 0.91019 0.91417 0.90519 0.85956 0.86141 0.86124 0.85904 0.87461 0.87739 0.76621 0.91518 0.90420 0.90349 0.91909 0.95702 0.94654 0.80367 0.93112 0.89161 0.88699 0.88462 0.89316 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 -0.12 -1.15 9.33 36.01 0.34 -0.82 16 2 C -0.07 -0.71 5.88 -104.62 -0.62 -1.33 16 3 C -0.12 -1.07 9.70 -39.58 -0.38 -1.46 16 4 C -0.12 -0.99 10.05 -39.58 -0.40 -1.38 16 5 C -0.13 -1.01 10.05 -39.58 -0.40 -1.41 16 6 C -0.12 -1.00 9.30 -39.58 -0.37 -1.37 16 7 C -0.06 -0.54 5.61 -104.62 -0.59 -1.13 16 8 C -0.08 -0.83 4.66 -91.77 -0.43 -1.26 16 9 H 0.13 1.46 6.43 -51.93 -0.33 1.13 16 10 C -0.14 -1.17 9.56 -26.74 -0.26 -1.42 16 11 C -0.18 -1.77 5.82 -91.77 -0.53 -2.30 16 12 H 0.12 1.08 8.14 -51.93 -0.42 0.66 16 13 C 0.54 7.21 7.61 -10.99 -0.08 7.12 16 14 O -0.54 -9.20 16.27 5.55 0.09 -9.11 16 15 N -0.72 -8.79 5.55 -60.29 -0.33 -9.12 16 16 C 0.12 1.70 5.59 -4.04 -0.02 1.68 16 17 C -0.09 -1.17 5.13 -26.73 -0.14 -1.31 16 18 C -0.13 -1.88 1.53 -154.51 -0.24 -2.11 16 19 C 0.19 3.69 5.92 -4.04 -0.02 3.66 16 20 N -0.75 -17.72 5.23 -59.91 -0.31 -18.03 16 21 C -0.24 -6.86 10.47 -15.06 -0.16 -7.02 16 22 H 0.09 2.72 8.06 -52.49 -0.42 2.30 16 23 C 0.00 0.09 5.50 -17.43 -0.10 0.00 16 24 N -0.93 -29.60 13.97 55.49 0.78 -28.83 16 25 Si 0.89 22.16 28.00 -169.99 -4.76 17.40 16 26 H -0.29 -7.14 7.11 56.52 0.40 -6.74 16 27 H -0.29 -7.39 7.11 56.52 0.40 -6.99 16 28 H -0.28 -6.41 6.16 56.52 0.35 -6.06 16 29 C -0.17 -2.11 9.94 -26.69 -0.27 -2.38 16 30 C -0.17 -2.27 9.94 -26.69 -0.27 -2.54 16 31 H 0.07 0.59 8.14 -51.93 -0.42 0.17 16 32 H 0.07 0.57 8.09 -51.93 -0.42 0.15 16 33 H 0.08 0.83 6.65 -51.93 -0.35 0.49 16 34 H 0.12 0.89 8.06 -52.48 -0.42 0.46 16 35 H 0.12 0.74 8.06 -52.49 -0.42 0.31 16 36 H 0.12 0.72 8.06 -52.49 -0.42 0.29 16 37 H 0.12 0.81 6.02 -52.49 -0.32 0.50 16 38 H 0.11 0.64 6.18 -51.93 -0.32 0.32 16 39 H 0.10 0.85 8.14 -51.93 -0.42 0.43 16 40 H 0.40 3.83 8.48 -40.82 -0.35 3.48 16 41 H 0.07 0.91 8.14 -51.93 -0.42 0.49 16 42 H 0.08 1.32 6.82 -51.93 -0.35 0.96 16 43 H 0.08 1.17 7.73 -51.93 -0.40 0.77 16 44 H 0.06 0.69 8.09 -51.93 -0.42 0.27 16 45 H 0.03 0.50 8.09 -51.93 -0.42 0.08 16 46 H 0.04 0.71 6.89 -51.93 -0.36 0.36 16 47 H 0.36 8.34 5.07 -40.82 -0.21 8.14 16 48 H 0.26 7.80 8.31 -40.82 -0.34 7.46 16 49 H 0.09 0.96 8.14 -51.93 -0.42 0.54 16 50 H 0.09 1.15 8.14 -51.93 -0.42 0.73 16 51 H 0.10 1.40 8.14 -51.93 -0.42 0.98 16 52 H 0.09 1.05 8.14 -51.93 -0.42 0.63 16 LS Contribution 421.21 15.07 6.35 6.35 Total: -1.00 -34.20 421.21 -11.62 -45.82 By element: Atomic # 1 Polarization: 20.81 SS G_CDS: -8.51 Total: 12.30 kcal Atomic # 6 Polarization: -11.85 SS G_CDS: -4.92 Total: -16.77 kcal Atomic # 7 Polarization: -56.11 SS G_CDS: 0.13 Total: -55.98 kcal Atomic # 8 Polarization: -9.20 SS G_CDS: 0.09 Total: -9.11 kcal Atomic # 14 Polarization: 22.16 SS G_CDS: -4.76 Total: 17.40 kcal Total LS contribution 6.35 Total: 6.35 kcal Total: -34.20 -11.62 -45.82 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. ZINC001167437566.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 86.056 kcal (2) G-P(sol) polarization free energy of solvation -34.195 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 51.860 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.620 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -45.816 kcal (6) G-S(sol) free energy of system = (1) + (5) 40.240 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.19 seconds