Wall clock time and date at job start Tue Mar 31 2020 12:48:57 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 H 1.09005 * 109.47233 * 2 1 4 4 C 1.53000 * 109.47624 * 120.00194 * 2 1 3 5 5 C 1.50700 * 109.46950 * 295.00196 * 4 2 1 6 6 H 1.08001 * 120.00047 * 359.97438 * 5 4 2 7 7 C 1.37877 * 119.99538 * 179.97438 * 5 4 2 8 8 N 1.31516 * 120.00315 * 0.02562 * 7 5 4 9 9 Si 1.86804 * 119.99784 * 179.97438 * 7 5 4 10 10 H 1.48507 * 109.46956 * 359.97438 * 9 7 5 11 11 H 1.48492 * 109.47404 * 119.99756 * 9 7 5 12 12 H 1.48498 * 109.47089 * 240.00035 * 9 7 5 13 13 C 1.53004 * 109.47151 * 240.00508 * 2 1 3 14 14 N 1.46897 * 109.47132 * 64.46445 * 13 2 1 15 15 C 1.46908 * 110.99990 * 75.88920 * 14 13 2 16 16 C 1.52993 * 109.47320 * 189.99997 * 15 14 13 17 17 H 1.09004 * 109.47132 * 304.99703 * 16 15 14 18 18 C 1.53005 * 109.47333 * 64.99808 * 16 15 14 19 19 C 1.50701 * 109.47383 * 184.99807 * 16 15 14 20 20 C 1.38238 * 119.99779 * 299.73069 * 19 16 15 21 21 C 1.38241 * 119.99544 * 179.80444 * 20 19 16 22 22 C 1.38233 * 120.00235 * 0.39680 * 21 20 19 23 23 C 1.38237 * 120.00062 * 359.85592 * 22 21 20 24 24 C 1.38236 * 120.00101 * 119.99338 * 19 16 15 25 25 C 1.46898 * 111.00177 * 199.84004 * 14 13 2 26 26 H 1.09002 * 109.47519 * 189.41435 * 25 14 13 27 27 C 1.52999 * 109.47230 * 309.41588 * 25 14 13 28 28 C 1.52994 * 109.47032 * 69.41371 * 25 14 13 29 29 O 1.42904 * 109.46897 * 62.10138 * 28 25 14 30 30 H 1.08997 * 109.47253 * 55.28237 * 1 2 3 31 31 H 1.08998 * 109.46780 * 295.28286 * 1 2 3 32 32 H 1.08998 * 109.46747 * 175.28669 * 1 2 3 33 33 H 1.09001 * 109.46912 * 54.99848 * 4 2 1 34 34 H 1.08999 * 109.47191 * 174.99868 * 4 2 1 35 35 H 0.96996 * 119.99975 * 180.02562 * 8 7 5 36 36 H 1.09002 * 109.47122 * 184.46747 * 13 2 1 37 37 H 1.09002 * 109.46800 * 304.47218 * 13 2 1 38 38 H 1.09006 * 109.47025 * 309.99877 * 15 14 13 39 39 H 1.08999 * 109.47199 * 69.99441 * 15 14 13 40 40 H 1.09003 * 109.47113 * 180.02562 * 18 16 15 41 41 H 1.09000 * 109.47042 * 300.00154 * 18 16 15 42 42 H 1.08996 * 109.46753 * 59.99871 * 18 16 15 43 43 H 1.07994 * 120.00302 * 359.97438 * 20 19 16 44 44 H 1.07998 * 119.99534 * 180.22809 * 21 20 19 45 45 H 1.07994 * 120.00198 * 179.82896 * 22 21 20 46 46 H 1.07999 * 120.00223 * 179.97438 * 23 22 21 47 47 H 1.08005 * 120.00005 * 359.97438 * 24 19 16 48 48 H 1.09000 * 109.47453 * 59.99784 * 27 25 14 49 49 H 1.08999 * 109.47405 * 180.02562 * 27 25 14 50 50 H 1.09005 * 109.47097 * 299.99985 * 27 25 14 51 51 H 1.09004 * 109.47281 * 182.09782 * 28 25 14 52 52 H 1.08994 * 109.47384 * 302.10120 * 28 25 14 53 53 H 0.96701 * 113.99696 * 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 1 1.8934 1.0277 0.0000 4 6 2.0401 -0.7213 1.2492 5 6 1.6414 0.0570 2.4765 6 1 1.0807 0.9745 2.3757 7 6 1.9926 -0.4024 3.7282 8 7 2.6759 -1.5194 3.8510 9 14 1.4991 0.5626 5.2496 10 1 0.7435 1.7749 4.8434 11 1 0.6444 -0.2858 6.1184 12 1 2.7174 0.9664 5.9965 13 6 2.0400 -0.7212 -1.2493 14 7 1.6404 0.0309 -2.4463 15 6 2.4783 1.2247 -2.6221 16 6 1.8830 2.1084 -3.7200 17 1 1.7630 1.5235 -4.6320 18 6 0.5191 2.6342 -3.2680 19 6 2.8061 3.2696 -3.9859 20 6 3.1056 4.1605 -2.9722 21 6 3.9556 5.2234 -3.2151 22 6 4.4994 5.4000 -4.4736 23 6 4.1956 4.5120 -5.4886 24 6 3.3489 3.4469 -5.2448 25 6 1.6813 -0.8217 -3.6418 26 1 1.5454 -0.2069 -4.5315 27 6 3.0342 -1.5327 -3.7151 28 6 0.5621 -1.8620 -3.5649 29 8 -0.7037 -1.1991 -3.5457 30 1 -0.3633 0.5853 -0.8447 31 1 -0.3633 0.4389 0.9292 32 1 -0.3633 -1.0242 -0.0844 33 1 1.6055 -1.7198 1.2951 34 1 3.1264 -0.7995 1.2054 35 1 2.9225 -1.8427 4.7316 36 1 3.1271 -0.7910 -1.2102 37 1 1.6127 -1.7231 -1.2903 38 1 2.5160 1.7831 -1.6867 39 1 3.4864 0.9224 -2.9056 40 1 0.0949 3.2635 -4.0505 41 1 -0.1485 1.7943 -3.0758 42 1 0.6393 3.2190 -2.3561 43 1 2.6779 4.0246 -1.9899 44 1 4.1925 5.9173 -2.4222 45 1 5.1611 6.2319 -4.6641 46 1 4.6202 4.6502 -6.4720 47 1 3.1118 2.7530 -6.0377 48 1 3.1702 -2.1476 -2.8254 49 1 3.0648 -2.1650 -4.6024 50 1 3.8316 -0.7915 -3.7699 51 1 0.6155 -2.5182 -4.4337 52 1 0.6768 -2.4526 -2.6560 53 1 -1.4609 -1.7987 -3.4971 RHF calculation, no. of doubly occupied orbitals= 62 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 ZINC000602667807.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 12:48:57 Heat of formation + Delta-G solvation = -43.661828 kcal Electronic energy + Delta-G solvation = -28247.896764 eV Core-core repulsion = 24697.605341 eV Total energy + Delta-G solvation = -3550.291423 eV No. of doubly occupied orbitals = 62 Molecular weight (most abundant/longest-lived isotopes) = 319.225 amu Computer time = 0.75 seconds Orbital eigenvalues (eV) -39.81513 -38.72182 -36.24706 -35.06089 -34.00408 -32.15290 -30.95072 -30.43293 -29.10349 -27.00115 -26.28328 -25.98578 -24.62786 -23.16234 -22.80487 -22.30276 -20.44316 -19.44984 -18.33647 -17.13301 -16.95654 -16.26976 -15.96364 -15.61442 -15.25145 -14.85305 -14.41051 -14.33909 -13.90494 -13.63711 -13.56861 -13.33457 -13.24283 -12.85155 -12.68496 -12.44854 -12.31648 -12.16320 -12.09335 -11.87635 -11.60914 -11.44448 -11.30536 -11.15152 -11.04240 -10.80740 -10.70025 -10.67736 -10.51163 -10.24481 -10.18282 -10.13234 -9.76255 -9.48519 -9.03597 -8.95104 -8.90069 -8.69489 -8.29310 -7.81905 -5.94321 -3.94655 1.33595 1.37013 3.34065 3.41718 3.46099 3.75143 4.09551 4.32306 4.51399 4.71871 4.84697 4.96212 5.02562 5.07686 5.10755 5.24283 5.31523 5.41626 5.42714 5.47276 5.48888 5.51061 5.55123 5.57656 5.71918 5.73998 5.84535 5.95773 5.97316 6.01135 6.06202 6.13666 6.17987 6.23177 6.29389 6.31371 6.42305 6.47500 6.49456 6.60833 6.68400 6.72607 6.86628 6.98619 7.12164 7.28403 7.31981 7.49172 7.55260 7.75294 7.81311 7.91896 8.06863 8.51924 9.12183 9.68567 11.17327 Molecular weight = 319.23amu Principal moments of inertia in cm(-1) A = 0.010085 B = 0.003809 C = 0.003062 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2775.844606 B = 7349.664253 C = 9141.638445 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.117 4.117 2 C -0.076 4.076 3 H 0.052 0.948 4 C 0.027 3.973 5 C -0.508 4.508 6 H 0.056 0.944 7 C 0.055 3.945 8 N -0.898 5.898 9 Si 0.887 3.113 10 H -0.273 1.273 11 H -0.285 1.285 12 H -0.285 1.285 13 C 0.059 3.941 14 N -0.511 5.511 15 C 0.062 3.938 16 C -0.046 4.046 17 H 0.074 0.926 18 C -0.133 4.133 19 C -0.069 4.069 20 C -0.111 4.111 21 C -0.118 4.118 22 C -0.130 4.130 23 C -0.122 4.122 24 C -0.121 4.121 25 C 0.077 3.923 26 H 0.085 0.915 27 C -0.186 4.186 28 C 0.087 3.913 29 O -0.554 6.554 30 H 0.046 0.954 31 H 0.050 0.950 32 H 0.033 0.967 33 H 0.013 0.987 34 H 0.010 0.990 35 H 0.258 0.742 36 H 0.029 0.971 37 H 0.066 0.934 38 H 0.082 0.918 39 H 0.030 0.970 40 H 0.041 0.959 41 H 0.080 0.920 42 H 0.052 0.948 43 H 0.125 0.875 44 H 0.120 0.880 45 H 0.117 0.883 46 H 0.117 0.883 47 H 0.117 0.883 48 H 0.064 0.936 49 H 0.057 0.943 50 H 0.061 0.939 51 H 0.039 0.961 52 H 0.048 0.952 53 H 0.370 0.630 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -0.200 5.828 -20.893 21.692 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 -0.175 4.175 2 C -0.095 4.095 3 H 0.071 0.929 4 C -0.011 4.011 5 C -0.546 4.546 6 H 0.075 0.925 7 C -0.146 4.146 8 N -0.538 5.538 9 Si 0.716 3.284 10 H -0.197 1.197 11 H -0.211 1.211 12 H -0.212 1.212 13 C -0.067 4.067 14 N -0.234 5.234 15 C -0.066 4.066 16 C -0.065 4.065 17 H 0.092 0.908 18 C -0.190 4.190 19 C -0.070 4.070 20 C -0.129 4.129 21 C -0.136 4.136 22 C -0.148 4.148 23 C -0.140 4.140 24 C -0.139 4.139 25 C -0.032 4.032 26 H 0.103 0.897 27 C -0.245 4.245 28 C 0.009 3.991 29 O -0.358 6.358 30 H 0.065 0.935 31 H 0.069 0.931 32 H 0.052 0.948 33 H 0.032 0.968 34 H 0.028 0.972 35 H 0.068 0.932 36 H 0.047 0.953 37 H 0.085 0.915 38 H 0.100 0.900 39 H 0.048 0.952 40 H 0.060 0.940 41 H 0.099 0.901 42 H 0.071 0.929 43 H 0.143 0.857 44 H 0.138 0.862 45 H 0.135 0.865 46 H 0.135 0.865 47 H 0.135 0.865 48 H 0.083 0.917 49 H 0.076 0.924 50 H 0.080 0.920 51 H 0.057 0.943 52 H 0.066 0.934 53 H 0.215 0.785 Dipole moment (debyes) X Y Z Total from point charges -0.230 6.402 -20.721 21.689 hybrid contribution 0.520 -0.408 0.857 1.082 sum 0.291 5.994 -19.865 20.751 Atomic orbital electron populations 1.21529 0.95635 1.00043 1.00275 1.21154 0.96024 0.98828 0.93479 0.92918 1.19124 0.95735 0.95503 0.90689 1.21283 1.34219 1.08182 0.90957 0.92531 1.25014 0.95409 0.95094 0.99048 1.69977 1.39359 1.21326 1.23153 0.86605 0.78222 0.80204 0.83404 1.19726 1.21131 1.21178 1.22355 0.97322 0.97209 0.89861 1.62158 1.53102 1.06328 1.01811 1.22186 0.93664 0.91841 0.98917 1.20180 0.94454 0.92928 0.98952 0.90798 1.21723 0.95711 1.01496 1.00079 1.19996 0.97146 0.96400 0.93438 1.21125 0.97983 0.94485 0.99320 1.21173 0.97444 0.98052 0.96952 1.21101 1.00628 0.99586 0.93527 1.21089 0.98629 0.95329 0.98978 1.21054 0.98052 0.98247 0.96525 1.21726 0.92289 0.94120 0.95082 0.89738 1.22419 0.98250 1.01372 1.02489 1.22191 0.84181 0.93654 0.99084 1.86585 1.14825 1.36963 1.97381 0.93523 0.93091 0.94767 0.96816 0.97154 0.93247 0.95316 0.91537 0.90007 0.95183 0.93982 0.90105 0.92934 0.85736 0.86189 0.86493 0.86470 0.86461 0.91672 0.92419 0.92033 0.94323 0.93429 0.78474 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -2.32 8.90 37.16 0.33 -1.99 16 2 C -0.08 -1.56 2.39 -90.62 -0.22 -1.77 16 3 H 0.05 1.11 6.68 -51.93 -0.35 0.77 16 4 C 0.03 0.69 4.45 -27.88 -0.12 0.57 16 5 C -0.51 -14.30 8.34 -34.44 -0.29 -14.58 16 6 H 0.06 1.57 7.08 -52.49 -0.37 1.19 16 7 C 0.05 1.57 5.46 -17.82 -0.10 1.48 16 8 N -0.90 -27.13 13.29 55.43 0.74 -26.40 16 9 Si 0.89 21.87 29.54 -169.99 -5.02 16.84 16 10 H -0.27 -6.58 7.11 56.52 0.40 -6.17 16 11 H -0.29 -6.97 7.11 56.52 0.40 -6.56 16 12 H -0.29 -6.98 7.11 56.52 0.40 -6.58 16 13 C 0.06 1.02 2.91 -3.82 -0.01 1.01 16 14 N -0.51 -7.33 3.23 -226.65 -0.73 -8.06 16 15 C 0.06 0.85 3.82 -3.82 -0.01 0.84 16 16 C -0.05 -0.56 2.50 -91.77 -0.23 -0.79 16 17 H 0.07 0.87 5.86 -51.93 -0.30 0.56 16 18 C -0.13 -1.69 8.89 37.16 0.33 -1.36 16 19 C -0.07 -0.83 4.78 -104.62 -0.50 -1.33 16 20 C -0.11 -1.35 8.76 -39.58 -0.35 -1.69 16 21 C -0.12 -1.30 10.05 -39.58 -0.40 -1.70 16 22 C -0.13 -1.32 10.05 -39.58 -0.40 -1.72 16 23 C -0.12 -1.23 10.05 -39.58 -0.40 -1.62 16 24 C -0.12 -1.31 9.67 -39.58 -0.38 -1.69 16 25 C 0.08 0.94 2.46 -67.72 -0.17 0.78 16 26 H 0.08 1.02 5.92 -51.93 -0.31 0.71 16 27 C -0.19 -2.10 8.48 37.16 0.32 -1.79 16 28 C 0.09 1.01 6.42 37.15 0.24 1.25 16 29 O -0.55 -6.82 13.56 -35.23 -0.48 -7.30 16 30 H 0.05 0.85 7.87 -51.93 -0.41 0.44 16 31 H 0.05 1.09 6.83 -51.93 -0.35 0.73 16 32 H 0.03 0.66 8.14 -51.93 -0.42 0.24 16 33 H 0.01 0.37 8.14 -51.93 -0.42 -0.05 16 34 H 0.01 0.28 8.14 -51.93 -0.42 -0.14 16 35 H 0.26 7.36 8.31 -40.82 -0.34 7.02 16 36 H 0.03 0.51 7.34 -51.93 -0.38 0.13 16 37 H 0.07 1.14 5.91 -51.93 -0.31 0.84 16 38 H 0.08 1.27 6.03 -51.93 -0.31 0.95 16 39 H 0.03 0.42 6.58 -51.93 -0.34 0.08 16 40 H 0.04 0.49 8.14 -51.93 -0.42 0.07 16 41 H 0.08 1.16 7.75 -51.93 -0.40 0.75 16 42 H 0.05 0.69 7.37 -51.93 -0.38 0.30 16 43 H 0.12 1.52 7.16 -52.49 -0.38 1.14 16 44 H 0.12 1.12 8.06 -52.49 -0.42 0.70 16 45 H 0.12 0.93 8.06 -52.49 -0.42 0.51 16 46 H 0.12 0.91 8.06 -52.49 -0.42 0.49 16 47 H 0.12 1.09 7.95 -52.48 -0.42 0.67 16 48 H 0.06 0.81 6.65 -51.93 -0.35 0.46 16 49 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 50 H 0.06 0.71 6.72 -51.93 -0.35 0.36 16 51 H 0.04 0.37 8.14 -51.93 -0.42 -0.05 16 52 H 0.05 0.60 6.34 -51.93 -0.33 0.27 16 53 H 0.37 3.05 9.12 45.56 0.42 3.47 16 LS Contribution 405.82 15.07 6.12 6.12 Total: -1.00 -31.19 405.82 -10.30 -41.49 By element: Atomic # 1 Polarization: 11.99 SS G_CDS: -8.56 Total: 3.43 kcal Atomic # 6 Polarization: -23.76 SS G_CDS: -2.36 Total: -26.12 kcal Atomic # 7 Polarization: -34.46 SS G_CDS: 0.00 Total: -34.46 kcal Atomic # 8 Polarization: -6.82 SS G_CDS: -0.48 Total: -7.30 kcal Atomic # 14 Polarization: 21.87 SS G_CDS: -5.02 Total: 16.84 kcal Total LS contribution 6.12 Total: 6.12 kcal Total: -31.19 -10.30 -41.49 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. ZINC000602667807.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 -2.175 kcal (2) G-P(sol) polarization free energy of solvation -31.189 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -33.364 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.298 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.487 kcal (6) G-S(sol) free energy of system = (1) + (5) -43.662 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.75 seconds