Wall clock time and date at job start Sat Apr 11 2020 06:09:08 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 1.53003 * 1 3 3 C 1.52997 * 112.85081 * 2 1 4 4 C 1.53786 * 113.61426 * 131.19470 * 2 1 3 5 5 C 1.53779 * 87.08145 * 89.11485 * 4 2 1 6 6 C 1.53005 * 113.61590 * 139.98123 * 5 4 2 7 7 N 1.46895 * 109.47286 * 176.53303 * 6 5 4 8 8 C 1.46900 * 110.99924 * 180.02562 * 7 6 5 9 9 C 1.53786 * 113.61608 * 105.85932 * 8 7 6 10 10 C 1.54049 * 86.98426 * 140.01769 * 9 8 7 11 11 C 1.53002 * 113.62024 * 220.02020 * 10 9 8 12 12 N 1.46500 * 109.47425 * 272.50011 * 11 10 9 13 13 C 1.34772 * 120.00059 * 180.02562 * 12 11 10 14 14 O 1.21283 * 120.00308 * 359.97438 * 13 12 11 15 15 C 1.50697 * 120.00066 * 180.02562 * 13 12 11 16 16 S 1.80997 * 109.47579 * 179.97438 * 15 13 12 17 17 C 1.76202 * 100.00267 * 179.97438 * 16 15 13 18 18 H 1.07995 * 119.99724 * 359.97438 * 17 16 15 19 19 C 1.38798 * 119.99776 * 180.02562 * 17 16 15 20 20 N 1.31629 * 119.99606 * 179.97438 * 19 17 16 21 21 Si 1.86797 * 120.00256 * 359.97438 * 19 17 16 22 22 H 1.48498 * 109.47220 * 89.99890 * 21 19 17 23 23 H 1.48499 * 109.47313 * 210.00118 * 21 19 17 24 24 H 1.48501 * 109.46960 * 330.00259 * 21 19 17 25 25 C 1.53781 * 113.61428 * 203.46824 * 8 7 6 26 26 C 1.53788 * 87.17402 * 25.39039 * 5 4 2 27 27 H 1.08992 * 109.46787 * 288.80517 * 1 2 3 28 28 H 1.08997 * 109.46818 * 48.80521 * 1 2 3 29 29 H 1.08998 * 109.46522 * 168.80402 * 1 2 3 30 30 H 1.09003 * 109.47240 * 191.19925 * 3 2 1 31 31 H 1.09002 * 109.47147 * 311.19281 * 3 2 1 32 32 H 1.09001 * 109.47354 * 71.19900 * 3 2 1 33 33 H 1.08999 * 113.61371 * 334.56627 * 4 2 1 34 34 H 1.08999 * 113.69004 * 203.67855 * 4 2 1 35 35 H 1.08998 * 113.61951 * 270.80263 * 5 4 2 36 36 H 1.08994 * 109.47069 * 56.52835 * 6 5 4 37 37 H 1.09001 * 109.46773 * 296.53218 * 6 5 4 38 38 H 1.00897 * 111.00205 * 56.04358 * 7 6 5 39 39 H 1.09002 * 112.84869 * 334.66356 * 8 7 6 40 40 H 1.08992 * 113.61675 * 254.61513 * 9 8 7 41 41 H 1.09000 * 113.60973 * 25.51800 * 9 8 7 42 42 H 1.08996 * 113.68970 * 89.12734 * 10 9 8 43 43 H 1.08997 * 109.47064 * 32.50151 * 11 10 9 44 44 H 1.09006 * 109.47182 * 152.49563 * 11 10 9 45 45 H 0.96996 * 119.99355 * 359.97438 * 12 11 10 46 46 H 1.09005 * 109.47018 * 300.00068 * 15 13 12 47 47 H 1.09006 * 109.47329 * 59.99263 * 15 13 12 48 48 H 0.97002 * 119.99752 * 179.97438 * 20 19 17 49 49 H 1.08999 * 113.61567 * 334.48132 * 25 8 7 50 50 H 1.08998 * 113.61196 * 105.38486 * 25 8 7 51 51 H 1.09007 * 113.61185 * 89.15742 * 26 5 4 52 52 H 1.08998 * 113.61629 * 220.06030 * 26 5 4 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 2.1242 1.4099 0.0000 4 6 2.1461 -0.9281 1.0603 5 6 2.0930 -2.0426 0.0021 6 6 3.3264 -2.9479 0.0030 7 7 3.1446 -4.0242 -0.9801 8 6 4.3119 -4.9156 -1.0066 9 6 4.0625 -6.2773 -0.3367 10 6 4.8791 -6.9002 -1.4849 11 6 4.3049 -8.2221 -1.9986 12 7 4.8424 -9.3295 -1.2041 13 6 4.4740 -10.5965 -1.4785 14 8 3.6973 -10.8200 -2.3827 15 6 5.0264 -11.7356 -0.6609 16 16 4.3474 -13.2994 -1.2686 17 6 5.1380 -14.4249 -0.1673 18 1 5.8109 -14.0546 0.5919 19 6 4.8967 -15.7874 -0.2762 20 7 5.4877 -16.6282 0.5462 21 14 3.7333 -16.4279 -1.5899 22 1 4.4976 -16.7162 -2.8300 23 1 3.0814 -17.6727 -1.1095 24 1 2.6962 -15.4039 -1.8744 25 6 4.4719 -5.6818 -2.3303 26 6 2.1448 -0.9318 -1.0602 27 1 -0.3632 0.3313 0.9728 28 1 -0.3633 0.6768 -0.7733 29 1 -0.3632 -1.0081 -0.1995 30 1 3.1943 1.3533 -0.1996 31 1 1.6416 2.0076 -0.7733 32 1 1.9601 1.8734 0.9728 33 1 1.4946 -1.1067 1.9157 34 1 3.1591 -0.6495 1.3507 35 1 1.1574 -2.6019 0.0035 36 1 3.4591 -3.3801 0.9947 37 1 4.2074 -2.3618 -0.2588 38 1 2.9554 -3.6482 -1.8971 39 1 5.2264 -4.4256 -0.6724 40 1 4.5348 -6.3762 0.6406 41 1 3.0145 -6.5770 -0.3337 42 1 5.9488 -6.9535 -1.2828 43 1 3.2187 -8.2052 -1.9102 44 1 4.5823 -8.3568 -3.0441 45 1 5.4638 -9.1507 -0.4812 46 1 6.1128 -11.7523 -0.7485 47 1 4.7483 -11.6009 0.3844 48 1 5.3189 -17.5804 0.4703 49 1 3.5357 -5.8191 -2.8713 50 1 5.2746 -5.3002 -2.9613 51 1 3.1576 -0.6533 -1.3517 52 1 1.4924 -1.1135 -1.9142 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 ZINC001707286491.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 06:09:08 Heat of formation + Delta-G solvation = -19.465794 kcal Electronic energy + Delta-G solvation = -25889.513158 eV Core-core repulsion = 22208.459670 eV Total energy + Delta-G solvation = -3681.053488 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.68 seconds Orbital eigenvalues (eV) -40.40911 -39.80469 -38.78112 -35.29529 -33.84700 -32.41944 -31.18980 -29.84403 -27.92529 -27.26153 -26.28369 -26.05054 -25.61333 -25.22890 -21.80945 -21.11609 -20.55029 -19.54927 -18.74085 -17.83812 -16.59853 -16.36394 -16.32336 -15.66396 -15.45817 -15.28122 -14.93927 -14.89833 -14.77252 -14.51524 -13.88048 -13.81700 -13.65162 -13.31786 -13.22857 -13.03743 -12.77729 -12.69332 -12.48898 -12.38483 -12.31289 -12.01900 -11.89414 -11.73496 -11.36525 -11.24508 -11.11608 -11.02411 -10.98932 -10.82484 -10.58820 -10.55472 -10.48249 -10.24125 -9.83258 -9.45899 -8.99147 -8.89664 -8.79836 -8.47297 -6.89205 -6.27104 -3.98487 2.80620 3.03478 3.33443 3.36852 3.52728 3.66435 3.72400 4.01432 4.13709 4.16924 4.23298 4.34389 4.35452 4.39644 4.51224 4.57816 4.71798 4.78099 4.94761 4.96213 4.99837 5.11921 5.12167 5.13672 5.14364 5.26409 5.28969 5.34385 5.34829 5.40649 5.42562 5.43392 5.45945 5.51530 5.56018 5.63080 5.66732 5.68571 5.73649 5.80427 5.85842 5.95367 5.97383 6.04667 6.07396 6.14776 6.60489 6.74782 6.99958 7.67766 7.96051 8.43518 8.55204 9.19298 10.82180 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.030597 B = 0.001364 C = 0.001357 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 914.898832 B =20515.643308 C =20629.146266 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.129 4.129 2 C -0.089 4.089 3 C -0.136 4.136 4 C -0.127 4.127 5 C -0.107 4.107 6 C 0.069 3.931 7 N -0.676 5.676 8 C 0.058 3.942 9 C -0.119 4.119 10 C -0.123 4.123 11 C 0.134 3.866 12 N -0.735 5.735 13 C 0.529 3.471 14 O -0.521 6.521 15 C -0.124 4.124 16 S -0.142 6.142 17 C -0.521 4.521 18 H 0.088 0.912 19 C 0.096 3.904 20 N -0.881 5.881 21 Si 0.857 3.143 22 H -0.267 1.267 23 H -0.274 1.274 24 H -0.235 1.235 25 C -0.131 4.131 26 C -0.131 4.131 27 H 0.057 0.943 28 H 0.056 0.944 29 H 0.059 0.941 30 H 0.054 0.946 31 H 0.054 0.946 32 H 0.055 0.945 33 H 0.067 0.933 34 H 0.079 0.921 35 H 0.098 0.902 36 H 0.071 0.929 37 H 0.028 0.972 38 H 0.341 0.659 39 H 0.070 0.930 40 H 0.064 0.936 41 H 0.093 0.907 42 H 0.095 0.905 43 H 0.068 0.932 44 H 0.065 0.935 45 H 0.399 0.601 46 H 0.096 0.904 47 H 0.097 0.903 48 H 0.270 0.730 49 H 0.092 0.908 50 H 0.068 0.932 51 H 0.077 0.923 52 H 0.067 0.933 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -3.812 37.508 -1.017 37.715 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 -0.186 4.186 2 C -0.089 4.089 3 C -0.193 4.193 4 C -0.165 4.165 5 C -0.126 4.126 6 C -0.060 4.060 7 N -0.307 5.307 8 C -0.052 4.052 9 C -0.157 4.157 10 C -0.142 4.142 11 C 0.010 3.990 12 N -0.389 5.389 13 C 0.315 3.685 14 O -0.396 6.396 15 C -0.275 4.275 16 S 0.084 5.916 17 C -0.669 4.669 18 H 0.106 0.894 19 C -0.113 4.113 20 N -0.518 5.518 21 Si 0.681 3.319 22 H -0.192 1.192 23 H -0.199 1.199 24 H -0.159 1.159 25 C -0.170 4.170 26 C -0.169 4.169 27 H 0.076 0.924 28 H 0.075 0.925 29 H 0.078 0.922 30 H 0.073 0.927 31 H 0.073 0.927 32 H 0.074 0.926 33 H 0.086 0.914 34 H 0.098 0.902 35 H 0.117 0.883 36 H 0.090 0.910 37 H 0.046 0.954 38 H 0.159 0.841 39 H 0.088 0.912 40 H 0.083 0.917 41 H 0.111 0.889 42 H 0.113 0.887 43 H 0.086 0.914 44 H 0.083 0.917 45 H 0.233 0.767 46 H 0.114 0.886 47 H 0.115 0.885 48 H 0.080 0.920 49 H 0.111 0.889 50 H 0.087 0.913 51 H 0.096 0.904 52 H 0.085 0.915 Dipole moment (debyes) X Y Z Total from point charges -5.447 36.558 -2.042 37.018 hybrid contribution 1.604 0.400 0.590 1.756 sum -3.843 36.958 -1.452 37.185 Atomic orbital electron populations 1.21600 0.93129 1.02079 1.01811 1.21787 0.95605 0.94347 0.97198 1.21733 1.00357 0.95580 1.01658 1.23064 1.01059 0.95683 0.96667 1.22544 0.99295 0.93978 0.96761 1.21992 0.95730 0.91456 0.96852 1.60601 1.38399 1.20471 1.11199 1.23005 0.91947 0.92901 0.97381 1.23206 1.01134 0.94325 0.97081 1.22682 1.00264 0.93346 0.97942 1.21257 0.98536 0.83973 0.95225 1.45953 1.49690 1.05914 1.37386 1.20270 0.80907 0.83222 0.84104 1.90697 1.34062 1.84026 1.30825 1.23281 1.04309 0.97224 1.02661 1.84784 1.62220 0.96601 1.48013 1.22328 1.31939 0.93109 1.19521 0.89412 1.24707 0.95234 0.95669 0.95653 1.69941 1.41974 1.03180 1.36678 0.86734 0.82728 0.80295 0.82099 1.19216 1.19945 1.15907 1.23172 1.02297 0.95452 0.96060 1.23210 1.00820 0.96058 0.96763 0.92416 0.92471 0.92212 0.92696 0.92696 0.92610 0.91389 0.90224 0.88343 0.91008 0.95377 0.84053 0.91194 0.91716 0.88894 0.88672 0.91366 0.91687 0.76745 0.88570 0.88491 0.91966 0.88909 0.91304 0.90444 0.91457 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 -0.13 -0.62 9.07 37.16 0.34 -0.29 16 2 C -0.09 -0.44 1.39 -153.60 -0.21 -0.66 16 3 C -0.14 -0.62 9.20 37.16 0.34 -0.28 16 4 C -0.13 -0.66 6.79 -25.92 -0.18 -0.84 16 5 C -0.11 -0.60 3.54 -89.80 -0.32 -0.92 16 6 C 0.07 0.42 5.36 -3.82 -0.02 0.40 16 7 N -0.68 -4.56 6.55 -105.87 -0.69 -5.25 16 8 C 0.06 0.39 4.12 -66.90 -0.28 0.11 16 9 C -0.12 -0.94 7.45 -25.77 -0.19 -1.14 16 10 C -0.12 -0.96 3.76 -89.67 -0.34 -1.29 16 11 C 0.13 1.50 5.51 -4.04 -0.02 1.47 16 12 N -0.74 -9.45 5.56 -60.29 -0.33 -9.78 16 13 C 0.53 9.57 7.85 -10.99 -0.09 9.48 16 14 O -0.52 -11.50 15.86 5.56 0.09 -11.41 16 15 C -0.12 -2.43 6.16 36.00 0.22 -2.21 16 16 S -0.14 -3.66 18.55 -107.50 -1.99 -5.66 16 17 C -0.52 -15.17 10.04 30.94 0.31 -14.86 16 18 H 0.09 2.65 8.03 -52.49 -0.42 2.23 16 19 C 0.10 2.83 5.50 -17.43 -0.10 2.73 16 20 N -0.88 -26.76 13.97 55.49 0.78 -25.98 16 21 Si 0.86 21.97 27.74 -169.99 -4.71 17.26 16 22 H -0.27 -6.77 7.11 56.52 0.40 -6.36 16 23 H -0.27 -6.76 7.11 56.52 0.40 -6.36 16 24 H -0.24 -6.03 6.74 56.52 0.38 -5.65 16 25 C -0.13 -0.88 7.23 -25.92 -0.19 -1.07 16 26 C -0.13 -0.66 6.76 -25.82 -0.17 -0.84 16 27 H 0.06 0.27 8.14 -51.93 -0.42 -0.16 16 28 H 0.06 0.26 8.14 -51.93 -0.42 -0.16 16 29 H 0.06 0.30 7.34 -51.93 -0.38 -0.08 16 30 H 0.05 0.24 7.96 -51.93 -0.41 -0.17 16 31 H 0.05 0.24 8.14 -51.93 -0.42 -0.18 16 32 H 0.05 0.25 8.14 -51.93 -0.42 -0.18 16 33 H 0.07 0.37 8.10 -51.93 -0.42 -0.06 16 34 H 0.08 0.40 8.06 -51.93 -0.42 -0.02 16 35 H 0.10 0.65 7.66 -51.93 -0.40 0.26 16 36 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 37 H 0.03 0.17 7.86 -51.93 -0.41 -0.24 16 38 H 0.34 2.06 8.56 -39.29 -0.34 1.73 16 39 H 0.07 0.46 7.88 -51.93 -0.41 0.05 16 40 H 0.06 0.50 8.14 -51.93 -0.42 0.07 16 41 H 0.09 0.88 7.90 -51.93 -0.41 0.47 16 42 H 0.10 0.67 8.14 -51.93 -0.42 0.25 16 43 H 0.07 0.85 7.85 -51.93 -0.41 0.44 16 44 H 0.06 0.79 8.14 -51.93 -0.42 0.36 16 45 H 0.40 3.99 8.47 -40.82 -0.35 3.64 16 46 H 0.10 1.75 8.14 -51.91 -0.42 1.32 16 47 H 0.10 1.77 8.14 -51.91 -0.42 1.35 16 48 H 0.27 7.63 8.31 -40.82 -0.34 7.29 16 49 H 0.09 0.66 8.10 -51.93 -0.42 0.24 16 50 H 0.07 0.41 8.14 -51.93 -0.42 -0.01 16 51 H 0.08 0.39 7.75 -51.93 -0.40 -0.01 16 52 H 0.07 0.35 8.10 -51.93 -0.42 -0.07 16 LS Contribution 426.40 15.07 6.43 6.43 Total: -1.00 -33.35 426.40 -11.16 -44.51 By element: Atomic # 1 Polarization: 9.90 SS G_CDS: -9.82 Total: 0.08 kcal Atomic # 6 Polarization: -9.30 SS G_CDS: -0.89 Total: -10.18 kcal Atomic # 7 Polarization: -40.76 SS G_CDS: -0.25 Total: -41.01 kcal Atomic # 8 Polarization: -11.50 SS G_CDS: 0.09 Total: -11.41 kcal Atomic # 14 Polarization: 21.97 SS G_CDS: -4.71 Total: 17.26 kcal Atomic # 16 Polarization: -3.66 SS G_CDS: -1.99 Total: -5.66 kcal Total LS contribution 6.43 Total: 6.43 kcal Total: -33.35 -11.16 -44.51 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. ZINC001707286491.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 25.040 kcal (2) G-P(sol) polarization free energy of solvation -33.349 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -8.309 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.157 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.506 kcal (6) G-S(sol) free energy of system = (1) + (5) -19.466 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.68 seconds