Wall clock time and date at job start Sat Mar 6 2021 19:46:40 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= 0 * AM1 - THE AM1 HAMILTONIAN TO BE USED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 O 2 2 C 1.42903 * 1 3 3 Si 1.86293 * 109.47041 * 2 1 4 4 C 1.50699 * 109.47152 * 239.99653 * 2 1 3 5 5 C 1.34847 * 125.89886 * 149.69762 * 4 2 1 6 6 C 1.40944 * 107.46880 * 179.90800 * 5 4 2 7 7 C 1.34851 * 107.46592 * 0.35166 * 6 5 4 8 8 N 1.36564 * 108.19940 * 359.78532 * 7 6 5 9 9 C 1.40206 * 125.66649 * 179.97438 * 8 7 6 10 10 C 1.38833 * 120.06550 * 129.76912 * 9 8 7 11 11 C 1.38117 * 119.93503 * 179.76475 * 10 9 8 12 12 C 1.38282 * 120.06354 * 0.49138 * 11 10 9 13 13 C 1.50696 * 119.93406 * 179.74373 * 12 11 10 14 14 C 1.50696 * 109.47265 * 270.01857 * 13 12 11 15 15 O 1.21283 * 119.99937 * 359.97438 * 14 13 12 16 16 N 1.34775 * 120.00318 * 179.97438 * 14 13 12 17 17 C 1.46506 * 120.00222 * 179.97438 * 16 14 13 18 18 H 1.08997 * 112.84906 * 336.20382 * 17 16 14 19 19 C 1.53785 * 113.61083 * 107.50310 * 17 16 14 20 20 C 1.53781 * 87.07790 * 89.11851 * 19 17 16 21 21 H 1.09001 * 113.61373 * 270.87909 * 20 19 17 22 22 S 1.81400 * 113.61346 * 139.98048 * 20 19 17 23 23 C 1.76197 * 103.00103 * 87.49990 * 22 20 19 24 24 C 1.38974 * 120.08124 * 359.72816 * 23 22 20 25 25 C 1.38080 * 119.91925 * 179.72359 * 24 23 22 26 26 C 1.38302 * 120.08248 * 0.57009 * 25 24 23 27 27 C 1.38309 * 120.15644 * 359.68088 * 26 25 24 28 28 C 1.38075 * 120.08184 * 0.04550 * 27 26 25 29 29 C 1.53776 * 113.61546 * 205.00079 * 17 16 14 30 30 C 1.38278 * 120.12991 * 359.76134 * 12 11 10 31 31 C 1.38118 * 120.06826 * 0.02562 * 30 12 11 32 32 H 0.96700 * 114.00311 * 300.00531 * 1 2 3 33 33 H 1.09008 * 109.46477 * 119.99697 * 2 1 3 34 34 H 1.48501 * 109.99918 * 178.67685 * 3 2 1 35 35 H 1.48506 * 109.99973 * 299.99283 * 3 2 1 36 36 H 1.07998 * 126.26409 * 0.02854 * 5 4 2 37 37 H 1.07997 * 126.26782 * 180.14147 * 6 5 4 38 38 H 1.07991 * 125.89850 * 179.78650 * 7 6 5 39 39 H 1.08001 * 120.03172 * 359.97438 * 10 9 8 40 40 H 1.07997 * 119.96959 * 180.20959 * 11 10 9 41 41 H 1.09005 * 109.47345 * 30.01826 * 13 12 11 42 42 H 1.09004 * 109.47353 * 150.01708 * 13 12 11 43 43 H 0.97002 * 119.99929 * 0.02562 * 16 14 13 44 44 H 1.09000 * 113.60864 * 203.66413 * 19 17 16 45 45 H 1.08996 * 113.61775 * 334.56813 * 19 17 16 46 46 H 1.07997 * 120.03878 * 359.97438 * 24 23 22 47 47 H 1.07999 * 119.96310 * 180.27153 * 25 24 23 48 48 H 1.07997 * 119.92509 * 179.69814 * 26 25 24 49 49 H 1.08001 * 119.95903 * 180.02562 * 27 26 25 50 50 H 1.08000 * 120.04070 * 179.97438 * 28 27 26 51 51 H 1.09001 * 113.61668 * 25.43334 * 29 17 16 52 52 H 1.09001 * 113.61242 * 156.25394 * 29 17 16 53 53 H 1.08006 * 119.96428 * 179.97438 * 30 12 11 54 54 H 1.07997 * 120.03098 * 179.97438 * 31 30 12 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 8 0.0000 0.0000 0.0000 2 6 1.4290 0.0000 0.0000 3 14 2.0500 1.7564 0.0000 4 6 1.9314 -0.7105 -1.2304 5 6 3.0841 -0.4488 -1.8793 6 6 3.1681 -1.3394 -2.9685 7 6 2.0599 -2.1075 -2.9496 8 7 1.2951 -1.7267 -1.8842 9 6 0.0614 -2.2858 -1.5222 10 6 -0.1596 -2.6954 -0.2142 11 6 -1.3777 -3.2413 0.1406 12 6 -2.3731 -3.3895 -0.8078 13 6 -3.6989 -3.9908 -0.4188 14 6 -3.6467 -5.4853 -0.6050 15 8 -2.6328 -6.0104 -1.0139 16 7 -4.7267 -6.2385 -0.3172 17 6 -4.6761 -7.6913 -0.4988 18 1 -3.9243 -8.0012 -1.2246 19 6 -4.6194 -8.4757 0.8228 20 6 -6.1570 -8.4728 0.7993 21 1 -6.5995 -7.6055 1.2893 22 16 -6.8949 -10.0403 1.3369 23 6 -7.0113 -9.8450 3.0841 24 6 -6.5685 -8.6728 3.6851 25 6 -6.6666 -8.5210 5.0540 26 6 -7.1939 -9.5385 5.8283 27 6 -7.6308 -10.7086 5.2342 28 6 -7.5410 -10.8652 3.8653 29 6 -6.0552 -8.3318 -0.7286 30 6 -2.1540 -2.9873 -2.1125 31 6 -0.9395 -2.4366 -2.4723 32 1 -0.3934 0.4418 0.7650 33 1 1.7923 -0.5138 0.8901 34 1 3.5346 1.7702 0.0322 35 1 1.5616 2.4678 -1.2086 36 1 3.8109 0.3041 -1.6122 37 1 3.9712 -1.3942 -3.6884 38 1 1.8189 -2.8887 -3.6552 39 1 0.6190 -2.5841 0.5259 40 1 -1.5514 -3.5570 1.1587 41 1 -3.9092 -3.7620 0.6261 42 1 -4.4856 -3.5736 -1.0474 43 1 -5.5378 -5.8185 0.0095 44 1 -4.1830 -9.4694 0.7222 45 1 -4.1942 -7.9073 1.6499 46 1 -6.1519 -7.8799 3.0817 47 1 -6.3267 -7.6086 5.5213 48 1 -7.2649 -9.4190 6.8993 49 1 -8.0424 -11.5009 5.8419 50 1 -7.8820 -11.7793 3.4022 51 1 -6.7892 -7.6473 -1.1538 52 1 -6.0114 -9.2856 -1.2545 53 1 -2.9332 -3.1046 -2.8512 54 1 -0.7689 -2.1230 -3.4916 There are 74 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 74 No. of singly occupied orbitals= 1 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER s_22_12525224_13287746.mol2 54 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Mar 6 2021 19:46:40 Heat of formation + Delta-G solvation = 84.190579 kcal Electronic energy + Delta-G solvation = -35965.714562 eV Core-core repulsion = 31348.477264 eV Total energy + Delta-G solvation = -4617.237299 eV No. of doubly occupied orbitals = 74 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 421.150 amu Computer time = 1.66 seconds Orbital eigenvalues (eV) -42.79942 -41.38285 -40.12613 -39.82720 -39.00169 -37.66376 -34.90593 -34.32226 -32.17011 -32.08095 -31.90226 -31.77810 -31.25419 -28.14927 -26.89471 -26.26765 -26.04052 -23.99070 -23.77436 -23.61323 -23.26931 -21.74815 -21.57978 -20.67364 -20.55634 -18.84037 -18.72801 -18.38514 -18.26900 -17.55782 -17.23037 -17.01896 -16.56855 -16.38034 -16.14457 -15.84849 -15.81256 -15.69805 -15.64232 -15.43178 -14.93550 -14.88186 -14.68335 -14.57805 -14.48074 -14.39856 -14.26839 -14.15232 -13.80584 -13.62062 -13.52502 -13.33969 -13.29090 -13.18417 -12.92106 -12.78062 -12.58282 -12.24018 -12.09461 -12.07455 -12.03168 -11.86915 -11.66058 -11.10642 -11.02044 -10.73554 -10.60560 -10.40862 -10.12770 -9.97465 -9.95123 -9.22536 -9.16798 -8.40676 -5.00457 -0.00608 0.22345 0.37482 0.37968 0.53642 0.95909 1.35128 1.38864 1.61172 1.65161 1.77519 1.88994 2.06802 2.09035 2.73548 2.73714 3.25750 3.27259 3.31002 3.62942 3.66171 3.71501 3.76554 3.79059 3.89255 3.91413 3.98572 4.01410 4.06681 4.16978 4.21452 4.32770 4.34987 4.39052 4.43866 4.44579 4.47471 4.53362 4.60080 4.62600 4.63630 4.68814 4.76895 4.77203 4.83211 4.86530 4.96801 4.97972 5.03192 5.03411 5.06410 5.21566 5.27044 5.31208 5.42333 5.51260 5.51339 5.54581 5.75282 5.80899 5.94673 6.04322 6.39669 6.52434 6.84962 7.25470 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 O -0.556 6.556 2 C -0.054 4.054 3 Si 0.813 3.187 4 C 0.020 3.980 5 C -0.227 4.227 6 C -0.200 4.200 7 C -0.021 4.021 8 N -0.393 5.393 9 C 0.118 3.882 10 C -0.095 4.095 11 C -0.092 4.092 12 C -0.068 4.068 13 C -0.095 4.095 14 C 0.517 3.483 15 O -0.577 6.577 16 N -0.702 5.702 17 C 0.127 3.873 18 H 0.090 0.910 19 C -0.135 4.135 20 C -0.092 4.092 21 H 0.127 0.873 22 S -0.137 6.137 23 C -0.096 4.096 24 C -0.140 4.140 25 C -0.108 4.108 26 C -0.134 4.134 27 C -0.109 4.109 28 C -0.123 4.123 29 C -0.106 4.106 30 C -0.097 4.097 31 C -0.133 4.133 32 H 0.403 0.597 33 H 0.095 0.905 34 H -0.288 1.288 35 H -0.313 1.313 36 H 0.142 0.858 37 H 0.157 0.843 38 H 0.179 0.821 39 H 0.123 0.877 40 H 0.147 0.853 41 H 0.137 0.863 42 H 0.134 0.866 43 H 0.419 0.581 44 H 0.094 0.906 45 H 0.077 0.923 46 H 0.137 0.863 47 H 0.146 0.854 48 H 0.143 0.857 49 H 0.143 0.857 50 H 0.127 0.873 51 H 0.104 0.896 52 H 0.103 0.897 53 H 0.143 0.857 54 H 0.122 0.878 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.740 3.145 6.448 9.843 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 O -0.365 6.365 2 C -0.163 4.163 3 Si 0.718 3.282 4 C -0.090 4.090 5 C -0.251 4.251 6 C -0.224 4.224 7 C -0.149 4.149 8 N -0.065 5.065 9 C 0.028 3.972 10 C -0.114 4.114 11 C -0.110 4.110 12 C -0.068 4.068 13 C -0.134 4.134 14 C 0.305 3.695 15 O -0.456 6.456 16 N -0.354 5.354 17 C 0.019 3.981 18 H 0.109 0.891 19 C -0.176 4.176 20 C -0.221 4.221 21 H 0.145 0.855 22 S 0.110 5.890 23 C -0.209 4.209 24 C -0.163 4.163 25 C -0.127 4.127 26 C -0.154 4.154 27 C -0.129 4.129 28 C -0.146 4.146 29 C -0.146 4.146 30 C -0.115 4.115 31 C -0.152 4.152 32 H 0.255 0.745 33 H 0.113 0.887 34 H -0.215 1.215 35 H -0.241 1.241 36 H 0.160 0.840 37 H 0.174 0.826 38 H 0.196 0.804 39 H 0.141 0.859 40 H 0.165 0.835 41 H 0.155 0.845 42 H 0.152 0.848 43 H 0.256 0.744 44 H 0.113 0.887 45 H 0.096 0.904 46 H 0.154 0.846 47 H 0.163 0.837 48 H 0.161 0.839 49 H 0.160 0.840 50 H 0.145 0.855 51 H 0.123 0.877 52 H 0.121 0.879 53 H 0.160 0.840 54 H 0.140 0.860 Dipole moment (debyes) X Y Z Total from point charges -6.095 1.972 4.480 7.818 hybrid contribution 0.562 0.351 0.255 0.710 sum -5.533 2.323 4.735 7.644 Atomic orbital electron populations 1.86518 1.16453 1.82192 1.51342 1.24598 0.86407 1.10627 0.94680 0.94733 0.77089 0.72344 0.84010 1.20604 0.95113 0.94004 0.99313 1.20878 0.99165 1.05136 0.99942 1.21163 1.00106 0.99529 1.01571 1.22353 0.93724 1.04639 0.94158 1.41636 1.15360 1.26819 1.22696 1.17831 0.84338 0.99744 0.95259 1.20873 0.98470 0.98003 0.94038 1.21061 0.91679 0.97790 1.00500 1.19565 0.95976 0.97977 0.93303 1.20753 0.96106 0.89357 1.07231 1.21045 0.82494 0.90101 0.75834 1.90767 1.32863 1.75307 1.46633 1.45566 1.16266 1.06049 1.67550 1.21640 0.98442 0.80483 0.97559 0.89142 1.23714 0.93387 1.01753 0.98735 1.25127 0.98640 0.97287 1.01054 0.85479 1.85663 1.78585 1.25382 0.99416 1.21896 1.03548 0.98226 0.97196 1.21393 1.02064 0.96697 0.96173 1.21421 0.98160 0.99876 0.93280 1.21553 0.98896 0.93658 1.01277 1.21406 0.98807 0.98588 0.94104 1.21002 1.00886 0.98407 0.94324 1.23135 0.96653 1.02646 0.92117 1.21039 0.96417 0.97554 0.96503 1.21064 0.93194 1.01821 0.99135 0.74521 0.88704 1.21492 1.24117 0.84009 0.82568 0.80359 0.85892 0.83486 0.84474 0.84831 0.74366 0.88731 0.90392 0.84557 0.83658 0.83897 0.83950 0.85539 0.87714 0.87901 0.83956 0.86044 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 O -0.56 0.06 9.84 -148.98 -1.47 -1.40 16 2 C -0.05 -0.07 2.28 71.24 0.16 0.09 16 3 Si 0.81 -0.34 31.24 68.60 2.14 1.80 16 4 C 0.02 0.19 6.06 41.04 0.25 0.44 16 5 C -0.23 -2.38 9.42 22.15 0.21 -2.17 16 6 C -0.20 -1.92 10.86 22.15 0.24 -1.67 16 7 C -0.02 -0.20 11.12 83.18 0.92 0.72 16 8 N -0.39 -4.08 2.87 -333.42 -0.96 -5.04 16 9 C 0.12 0.96 4.89 38.08 0.19 1.15 16 10 C -0.09 -0.45 7.66 22.38 0.17 -0.28 16 11 C -0.09 -0.07 9.69 22.25 0.22 0.15 16 12 C -0.07 0.02 4.37 -19.85 -0.09 -0.07 16 13 C -0.10 0.75 5.83 29.10 0.17 0.92 16 14 C 0.52 -0.87 7.82 87.66 0.69 -0.19 16 15 O -0.58 -5.43 15.63 -3.04 -0.05 -5.48 16 16 N -0.70 5.04 5.26 -440.03 -2.32 2.72 16 17 C 0.13 -0.51 4.32 45.52 0.20 -0.31 16 18 H 0.09 0.12 7.46 -2.39 -0.02 0.10 16 19 C -0.13 0.46 7.35 31.12 0.23 0.69 16 20 C -0.09 0.47 2.89 31.12 0.09 0.56 16 21 H 0.13 -1.05 6.88 -2.39 -0.02 -1.06 16 22 S -0.14 -0.18 21.72 -56.49 -1.23 -1.41 16 23 C -0.10 -0.28 6.11 22.62 0.14 -0.14 16 24 C -0.14 -0.01 9.32 22.41 0.21 0.20 16 25 C -0.11 0.12 10.04 22.25 0.22 0.35 16 26 C -0.13 0.10 10.04 22.30 0.22 0.32 16 27 C -0.11 -0.08 10.04 22.25 0.22 0.15 16 28 C -0.12 -0.39 9.79 22.41 0.22 -0.17 16 29 C -0.11 0.70 7.41 31.12 0.23 0.93 16 30 C -0.10 -0.22 9.69 22.25 0.22 -0.01 16 31 C -0.13 -0.86 9.66 22.38 0.22 -0.65 16 32 H 0.40 -4.44 8.74 -74.06 -0.65 -5.09 16 33 H 0.10 -0.27 7.96 -2.38 -0.02 -0.29 16 34 H -0.29 -1.35 6.90 99.48 0.69 -0.66 16 35 H -0.31 -2.92 7.11 99.48 0.71 -2.21 16 36 H 0.14 1.22 6.73 -2.91 -0.02 1.20 16 37 H 0.16 0.84 8.06 -2.91 -0.02 0.82 16 38 H 0.18 0.95 8.06 -2.92 -0.02 0.92 16 39 H 0.12 0.47 7.67 -2.91 -0.02 0.44 16 40 H 0.15 -0.62 8.06 -2.91 -0.02 -0.64 16 41 H 0.14 -1.88 8.08 -2.38 -0.02 -1.90 16 42 H 0.13 -1.72 8.08 -2.39 -0.02 -1.74 16 43 H 0.42 -5.82 8.70 -92.71 -0.81 -6.63 16 44 H 0.09 -0.09 8.10 -2.39 -0.02 -0.11 16 45 H 0.08 -0.24 8.14 -2.39 -0.02 -0.26 16 46 H 0.14 -0.55 5.64 -2.91 -0.02 -0.56 16 47 H 0.15 -0.86 8.06 -2.91 -0.02 -0.88 16 48 H 0.14 -0.71 8.06 -2.91 -0.02 -0.73 16 49 H 0.14 -0.46 8.06 -2.91 -0.02 -0.49 16 50 H 0.13 0.26 8.06 -2.91 -0.02 0.23 16 51 H 0.10 -1.01 8.14 -2.39 -0.02 -1.03 16 52 H 0.10 -0.55 8.10 -2.39 -0.02 -0.57 16 53 H 0.14 -0.26 8.06 -2.91 -0.02 -0.28 16 54 H 0.12 0.73 8.06 -2.91 -0.02 0.71 16 Total: 0.00 -29.65 458.22 1.17 -28.48 By element: Atomic # 1 Polarization: -20.19 SS G_CDS: -0.50 Total: -20.69 kcal Atomic # 6 Polarization: -4.53 SS G_CDS: 5.54 Total: 1.01 kcal Atomic # 7 Polarization: 0.96 SS G_CDS: -3.27 Total: -2.31 kcal Atomic # 8 Polarization: -5.37 SS G_CDS: -1.51 Total: -6.88 kcal Atomic # 14 Polarization: -0.34 SS G_CDS: 2.14 Total: 1.80 kcal Atomic # 16 Polarization: -0.18 SS G_CDS: -1.23 Total: -1.41 kcal Total: -29.65 1.17 -28.48 kcal The number of atoms in the molecule is 54 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. s_22_12525224_13287746.mol2 54 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 112.669 kcal (2) G-P(sol) polarization free energy of solvation -29.651 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 83.018 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 1.172 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -28.479 kcal (6) G-S(sol) free energy of system = (1) + (5) 84.191 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.67 seconds