Wall clock time and date at job start Sun Mar 7 2021 10:20:58 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 C 2 2 O 1.42895 * 1 3 3 C 1.35977 * 117.00252 * 2 1 4 4 C 1.38685 * 120.00360 * 180.02562 * 3 2 1 5 5 C 1.38147 * 119.99768 * 179.74631 * 4 3 2 6 6 C 1.50702 * 119.99927 * 180.25114 * 5 4 3 7 7 O 1.42901 * 109.47164 * 105.25990 * 6 5 4 8 8 Si 1.86298 * 109.46923 * 345.26295 * 6 5 4 9 9 C 1.38672 * 120.00227 * 0.51521 * 5 4 3 10 10 O 1.35983 * 120.00046 * 179.74079 * 9 5 4 11 11 C 1.42903 * 117.00155 * 179.72715 * 10 9 5 12 12 C 1.50698 * 109.47203 * 180.02562 * 11 10 9 13 13 O 1.21279 * 120.00071 * 359.97438 * 12 11 10 14 14 N 1.34778 * 119.99737 * 179.97438 * 12 11 10 15 15 C 1.46506 * 119.99654 * 180.02562 * 14 12 11 16 16 C 1.53000 * 109.46901 * 180.02562 * 15 14 12 17 17 H 1.09002 * 109.47398 * 54.99796 * 16 15 14 18 18 C 1.53002 * 109.47233 * 174.99970 * 16 15 14 19 19 C 1.52997 * 109.47415 * 179.97438 * 18 16 15 20 20 C 1.53002 * 109.46978 * 300.00098 * 19 18 16 21 21 H 1.09002 * 109.46838 * 299.99316 * 20 19 18 22 22 C 1.53000 * 109.46806 * 179.97438 * 20 19 18 23 23 C 1.50699 * 109.47053 * 174.99648 * 22 20 19 24 24 N 1.34776 * 120.00066 * 180.02562 * 23 22 20 25 25 O 1.21288 * 120.00026 * 0.02562 * 23 22 20 26 26 C 1.53002 * 109.47128 * 59.99726 * 20 19 18 27 27 C 1.52992 * 109.47106 * 300.00123 * 26 20 19 28 28 C 1.38719 * 120.00236 * 359.46497 * 9 5 4 29 29 C 1.38108 * 119.99407 * 0.27948 * 28 9 5 30 30 H 1.08998 * 109.46963 * 179.97438 * 1 2 3 31 31 H 1.09003 * 109.47005 * 299.99406 * 1 2 3 32 32 H 1.09003 * 109.47427 * 59.99660 * 1 2 3 33 33 H 1.07999 * 119.99397 * 0.02982 * 4 3 2 34 34 H 1.08997 * 109.47283 * 225.25986 * 6 5 4 35 35 H 0.96690 * 114.00439 * 180.02562 * 7 6 5 36 36 H 1.48496 * 110.00346 * 59.99689 * 8 6 5 37 37 H 1.48507 * 110.00165 * 181.31528 * 8 6 5 38 38 H 1.09000 * 109.46979 * 59.99809 * 11 10 9 39 39 H 1.09001 * 109.46923 * 299.99921 * 11 10 9 40 40 H 0.97000 * 120.00479 * 359.97438 * 14 12 11 41 41 H 1.08990 * 109.47427 * 60.00091 * 15 14 12 42 42 H 1.09001 * 109.47036 * 299.99805 * 15 14 12 43 43 H 1.09000 * 109.46986 * 299.99797 * 18 16 15 44 44 H 1.09002 * 109.47075 * 59.99068 * 18 16 15 45 45 H 1.09002 * 109.47045 * 59.99931 * 19 18 16 46 46 H 1.08998 * 109.47171 * 179.97438 * 19 18 16 47 47 H 1.08991 * 109.47625 * 294.99856 * 22 20 19 48 48 H 1.09002 * 109.47069 * 55.00175 * 22 20 19 49 49 H 0.96998 * 120.00301 * 0.02562 * 24 23 22 50 50 H 0.97001 * 119.99437 * 179.97438 * 24 23 22 51 51 H 1.09002 * 109.47070 * 60.00059 * 26 20 19 52 52 H 1.08996 * 109.46550 * 179.97438 * 26 20 19 53 53 H 1.09002 * 109.47103 * 299.99915 * 27 26 20 54 54 H 1.08998 * 109.46862 * 180.02562 * 27 26 20 55 55 H 1.07996 * 120.00385 * 180.29987 * 28 9 5 56 56 H 1.08004 * 119.99734 * 179.97438 * 29 28 9 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 8 1.4290 0.0000 0.0000 3 6 2.0463 1.2115 0.0000 4 6 3.4313 1.2841 -0.0005 5 6 4.0584 2.5151 -0.0058 6 6 5.5633 2.5940 -0.0121 7 8 6.0151 2.9702 -1.3146 8 14 6.2742 0.9312 0.4355 9 6 3.3031 3.6781 0.0002 10 8 3.9205 4.8897 0.0003 11 6 3.0806 6.0458 0.0006 12 6 3.9348 7.2873 0.0001 13 8 5.1438 7.1916 -0.0001 14 7 3.3551 8.5041 -0.0003 15 6 4.1855 9.7111 -0.0014 16 6 3.2862 10.9488 -0.0009 17 1 2.5965 10.8966 0.8415 18 6 4.1491 12.2062 0.1236 19 6 3.2499 13.4440 0.1235 20 6 2.4562 13.4976 -1.1835 21 1 3.1462 13.5497 -2.0257 22 6 1.5565 14.7351 -1.1834 23 6 0.8674 14.8553 -2.5182 24 7 0.0203 15.8777 -2.7497 25 8 1.0751 14.0319 -3.3842 26 6 1.5933 12.2402 -1.3081 27 6 2.4926 11.0025 -1.3079 28 6 1.9178 3.6056 0.0003 29 6 1.2909 2.3750 0.0003 30 1 -0.3633 -1.0277 -0.0005 31 1 -0.3633 0.5138 0.8901 32 1 -0.3634 0.5139 -0.8900 33 1 4.0194 0.3783 -0.0014 34 1 5.8913 3.3370 0.7148 35 1 6.9764 3.0402 -1.3925 36 1 5.8344 -0.0907 -0.5481 37 1 7.7572 1.0037 0.4638 38 1 2.4514 6.0376 0.8907 39 1 2.4512 6.0379 -0.8893 40 1 2.3881 8.5807 -0.0006 41 1 4.8143 9.7187 -0.8916 42 1 4.8153 9.7196 0.8883 43 1 4.7148 12.1678 1.0545 44 1 4.8389 12.2584 -0.7187 45 1 2.5599 13.3919 0.9657 46 1 3.8646 14.3397 0.2127 47 1 0.8090 14.6408 -0.3958 48 1 2.1615 15.6241 -1.0055 49 1 -0.1455 16.5364 -2.0572 50 1 -0.4229 15.9552 -3.6090 51 1 0.9033 12.1882 -0.4659 52 1 1.0276 12.2787 -2.2390 53 1 3.1826 11.0545 -2.1501 54 1 1.8779 10.1068 -1.3971 55 1 1.3296 4.5113 0.0001 56 1 0.2123 2.3185 0.0008 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). 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_17846942_4974302.mol2 56 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sun Mar 7 2021 10:20:58 Heat of formation + Delta-G solvation = -170.604231 kcal Electronic energy + Delta-G solvation = -36442.460411 eV Core-core repulsion = 31511.020922 eV Total energy + Delta-G solvation = -4931.439489 eV No. of doubly occupied orbitals = 74 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 393.208 amu Computer time = 1.82 seconds Orbital eigenvalues (eV) -41.77740 -41.11290 -40.74207 -39.87693 -39.21462 -38.18050 -37.06256 -36.15837 -34.62504 -33.58978 -32.93883 -31.62957 -31.16776 -30.07707 -28.63438 -27.92097 -26.60669 -25.60350 -23.79969 -23.53967 -22.31986 -22.20974 -21.66844 -21.04181 -20.63264 -19.40669 -18.67109 -18.59206 -18.51770 -18.15294 -17.62144 -17.50707 -17.43133 -16.88879 -16.63095 -16.46930 -16.09555 -15.95676 -15.70333 -15.54852 -15.45250 -15.27683 -15.17509 -15.01849 -14.71985 -14.55925 -14.27075 -14.09390 -13.87324 -13.79924 -13.63000 -13.47738 -13.28475 -13.19308 -12.98712 -12.64214 -12.55989 -12.50298 -12.44759 -11.97874 -11.91932 -11.80881 -11.71477 -11.42119 -11.40227 -11.31670 -11.13231 -10.90232 -10.69949 -10.50307 -10.46970 -10.20706 -10.12587 -8.79970 -4.97976 0.05211 0.35969 1.24696 1.43717 1.50697 1.55411 1.71270 1.87550 2.32638 2.53014 2.62640 2.70495 3.41687 3.53087 3.59263 3.69938 3.76112 3.76728 3.79798 3.96601 3.99592 4.04939 4.07602 4.08648 4.16522 4.21323 4.24809 4.35097 4.38970 4.43976 4.45342 4.50203 4.54241 4.60908 4.64625 4.67025 4.70355 4.74414 4.78577 4.85553 4.86013 4.99645 5.02433 5.13938 5.16677 5.20995 5.21067 5.24983 5.29941 5.34096 5.40223 5.43793 5.54904 5.63372 5.94004 6.17416 6.40669 6.47230 6.52651 6.55665 7.10878 7.41468 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.017 3.983 2 O -0.336 6.336 3 C 0.088 3.912 4 C -0.126 4.126 5 C -0.083 4.083 6 C -0.081 4.081 7 O -0.554 6.554 8 Si 0.772 3.228 9 C 0.100 3.900 10 O -0.309 6.309 11 C 0.035 3.965 12 C 0.511 3.489 13 O -0.573 6.573 14 N -0.708 5.708 15 C 0.126 3.874 16 C -0.084 4.084 17 H 0.098 0.902 18 C -0.114 4.114 19 C -0.106 4.106 20 C -0.073 4.073 21 H 0.050 0.950 22 C -0.135 4.135 23 C 0.506 3.494 24 N -0.846 5.846 25 O -0.592 6.592 26 C -0.116 4.116 27 C -0.111 4.111 28 C -0.163 4.163 29 C -0.157 4.157 30 H 0.114 0.886 31 H 0.071 0.929 32 H 0.064 0.936 33 H 0.141 0.859 34 H 0.076 0.924 35 H 0.390 0.610 36 H -0.290 1.290 37 H -0.282 1.282 38 H 0.129 0.871 39 H 0.117 0.883 40 H 0.419 0.581 41 H 0.049 0.951 42 H 0.063 0.937 43 H 0.074 0.926 44 H 0.053 0.947 45 H 0.081 0.919 46 H 0.072 0.928 47 H 0.119 0.881 48 H 0.114 0.886 49 H 0.417 0.583 50 H 0.402 0.598 51 H 0.074 0.926 52 H 0.055 0.945 53 H 0.043 0.957 54 H 0.069 0.931 55 H 0.168 0.832 56 H 0.163 0.837 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.957 6.810 7.230 14.064 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 -0.077 4.077 2 O -0.250 6.250 3 C 0.043 3.957 4 C -0.144 4.144 5 C -0.084 4.084 6 C -0.189 4.189 7 O -0.364 6.364 8 Si 0.676 3.324 9 C 0.054 3.946 10 O -0.222 6.222 11 C -0.042 4.042 12 C 0.297 3.703 13 O -0.451 6.451 14 N -0.363 5.363 15 C 0.002 3.998 16 C -0.103 4.103 17 H 0.116 0.884 18 C -0.153 4.153 19 C -0.144 4.144 20 C -0.092 4.092 21 H 0.069 0.931 22 C -0.174 4.174 23 C 0.293 3.707 24 N -0.409 5.409 25 O -0.473 6.473 26 C -0.153 4.153 27 C -0.149 4.149 28 C -0.182 4.182 29 C -0.175 4.175 30 H 0.132 0.868 31 H 0.090 0.910 32 H 0.083 0.917 33 H 0.159 0.841 34 H 0.094 0.906 35 H 0.240 0.760 36 H -0.217 1.217 37 H -0.209 1.209 38 H 0.146 0.854 39 H 0.135 0.865 40 H 0.257 0.743 41 H 0.067 0.933 42 H 0.082 0.918 43 H 0.093 0.907 44 H 0.071 0.929 45 H 0.099 0.901 46 H 0.091 0.909 47 H 0.137 0.863 48 H 0.132 0.868 49 H 0.249 0.751 50 H 0.232 0.768 51 H 0.092 0.908 52 H 0.073 0.927 53 H 0.062 0.938 54 H 0.088 0.912 55 H 0.185 0.815 56 H 0.181 0.819 Dipole moment (debyes) X Y Z Total from point charges -8.701 5.373 6.459 12.096 hybrid contribution -0.028 1.208 -1.464 1.898 sum -8.729 6.581 4.995 12.019 Atomic orbital electron populations 1.23361 0.76302 1.05595 1.02461 1.86075 1.23499 1.26413 1.89059 1.18907 0.91792 0.85362 0.99660 1.20221 0.92733 0.96940 1.04536 1.18478 0.94073 0.90615 1.05259 1.24932 0.94275 1.11990 0.87686 1.86543 1.28326 1.91051 1.30431 0.94101 0.77178 0.73133 0.87944 1.18831 0.91628 0.84490 0.99620 1.86175 1.35178 1.11806 1.89080 1.22718 0.92721 0.82223 1.06586 1.20530 0.88313 0.85512 0.75917 1.90754 1.16800 1.87434 1.50132 1.45709 1.11512 1.04305 1.74750 1.21431 0.93629 0.83261 1.01444 1.21345 0.97078 0.92692 0.99154 0.88363 1.21510 0.97779 0.93669 1.02294 1.21538 0.98342 0.97732 0.96761 1.20907 0.96493 0.93682 0.98164 0.93115 1.21805 1.00605 1.01081 0.93949 1.21323 0.78677 0.80219 0.90529 1.43904 1.47268 1.29103 1.20656 1.90728 1.64847 1.42937 1.48768 1.21639 0.97788 0.93726 1.02146 1.21553 0.98240 0.98456 0.96617 1.21388 0.91998 1.00090 1.04693 1.21407 1.01596 0.90762 1.03778 0.86774 0.91036 0.91739 0.84115 0.90575 0.76025 1.21741 1.20917 0.85367 0.86523 0.74302 0.93281 0.91836 0.90716 0.92857 0.90051 0.90906 0.86287 0.86753 0.75146 0.76787 0.90771 0.92666 0.93845 0.91243 0.81503 0.81923 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 0.02 -0.07 9.81 113.37 1.11 1.04 16 2 O -0.34 -1.52 10.50 -93.30 -0.98 -2.50 16 3 C 0.09 0.46 6.69 22.49 0.15 0.61 16 4 C -0.13 -0.96 8.59 22.36 0.19 -0.76 16 5 C -0.08 -0.75 5.31 -19.78 -0.10 -0.86 16 6 C -0.08 -0.68 2.36 71.24 0.17 -0.52 16 7 O -0.55 -6.53 12.86 -148.98 -1.92 -8.45 16 8 Si 0.77 3.21 30.19 68.60 2.07 5.28 16 9 C 0.10 0.71 6.66 22.49 0.15 0.86 16 10 O -0.31 -2.82 9.00 -74.33 -0.67 -3.49 16 11 C 0.04 -0.01 5.22 71.24 0.37 0.36 16 12 C 0.51 2.73 7.91 87.66 0.69 3.42 16 13 O -0.57 -9.79 16.50 16.01 0.26 -9.53 16 14 N -0.71 1.37 5.28 -463.06 -2.45 -1.08 16 15 C 0.13 0.00 5.06 86.38 0.44 0.44 16 16 C -0.08 0.40 2.23 -10.79 -0.02 0.37 16 17 H 0.10 -0.79 8.14 -2.39 -0.02 -0.81 16 18 C -0.11 0.48 5.20 30.59 0.16 0.64 16 19 C -0.11 0.69 5.20 30.59 0.16 0.84 16 20 C -0.07 0.20 1.84 -10.79 -0.02 0.18 16 21 H 0.05 0.16 7.96 -2.39 -0.02 0.14 16 22 C -0.13 0.89 5.17 29.85 0.15 1.05 16 23 C 0.51 0.01 7.82 87.66 0.69 0.69 16 24 N -0.85 5.59 8.87 -173.53 -1.54 4.05 16 25 O -0.59 -6.18 14.80 -3.05 -0.05 -6.22 16 26 C -0.12 0.18 4.94 30.59 0.15 0.34 16 27 C -0.11 0.24 5.07 30.59 0.16 0.39 16 28 C -0.16 -0.07 9.03 22.35 0.20 0.13 16 29 C -0.16 -0.06 9.03 22.35 0.20 0.14 16 30 H 0.11 -0.79 8.14 -2.39 -0.02 -0.81 16 31 H 0.07 -0.51 7.66 -2.39 -0.02 -0.53 16 32 H 0.06 -0.39 7.66 -2.39 -0.02 -0.41 16 33 H 0.14 0.94 4.90 -2.91 -0.01 0.92 16 34 H 0.08 0.63 7.82 -2.39 -0.02 0.61 16 35 H 0.39 1.62 8.74 -74.06 -0.65 0.97 16 36 H -0.29 -2.87 6.75 99.48 0.67 -2.20 16 37 H -0.28 -2.11 7.11 99.48 0.71 -1.41 16 38 H 0.13 -1.02 7.66 -2.39 -0.02 -1.04 16 39 H 0.12 -0.66 7.66 -2.39 -0.02 -0.68 16 40 H 0.42 -3.87 7.65 -92.71 -0.71 -4.58 16 41 H 0.05 0.23 8.14 -2.39 -0.02 0.21 16 42 H 0.06 0.12 8.14 -2.39 -0.02 0.10 16 43 H 0.07 -0.39 8.14 -2.39 -0.02 -0.40 16 44 H 0.05 -0.06 8.14 -2.39 -0.02 -0.08 16 45 H 0.08 -0.74 8.14 -2.39 -0.02 -0.76 16 46 H 0.07 -0.53 8.14 -2.39 -0.02 -0.55 16 47 H 0.12 -1.34 8.14 -2.39 -0.02 -1.36 16 48 H 0.11 -1.18 8.14 -2.39 -0.02 -1.20 16 49 H 0.42 -5.57 8.83 -92.71 -0.82 -6.39 16 50 H 0.40 -2.52 8.93 -92.71 -0.83 -3.35 16 51 H 0.07 -0.38 8.14 -2.39 -0.02 -0.40 16 52 H 0.05 0.27 5.95 -2.39 -0.01 0.25 16 53 H 0.04 0.12 8.14 -2.39 -0.02 0.10 16 54 H 0.07 -0.30 7.18 -2.39 -0.02 -0.32 16 55 H 0.17 -1.23 6.29 -2.91 -0.02 -1.24 16 56 H 0.16 -0.97 6.29 -2.91 -0.02 -0.99 16 Total: 0.00 -36.44 443.90 -2.32 -38.76 By element: Atomic # 1 Polarization: -24.14 SS G_CDS: -2.05 Total: -26.19 kcal Atomic # 6 Polarization: 4.38 SS G_CDS: 4.99 Total: 9.37 kcal Atomic # 7 Polarization: 6.96 SS G_CDS: -3.99 Total: 2.97 kcal Atomic # 8 Polarization: -26.84 SS G_CDS: -3.34 Total: -30.19 kcal Atomic # 14 Polarization: 3.21 SS G_CDS: 2.07 Total: 5.28 kcal Total: -36.44 -2.32 -38.76 kcal The number of atoms in the molecule is 56 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_17846942_4974302.mol2 56 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 -131.843 kcal (2) G-P(sol) polarization free energy of solvation -36.445 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -168.288 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -2.316 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.761 kcal (6) G-S(sol) free energy of system = (1) + (5) -170.604 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.82 seconds