Wall clock time and date at job start Mon Mar 8 2021 18:03:12 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 * 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 1.52997 * 1 3 3 C 1.52999 * 109.47656 * 2 1 4 4 C 1.50706 * 109.46921 * 120.00251 * 2 1 3 5 5 C 1.38241 * 119.94523 * 300.01988 * 4 2 1 6 6 C 1.38159 * 120.05550 * 179.74616 * 5 4 2 7 7 C 1.38711 * 119.94588 * 0.53278 * 6 5 4 8 8 O 1.35894 * 120.05802 * 179.72416 * 7 6 5 9 9 C 1.42906 * 117.00187 * 359.72123 * 8 7 6 10 10 C 1.50693 * 109.47463 * 180.02562 * 9 8 7 11 11 C 1.38233 * 120.00207 * 89.99418 * 10 9 8 12 12 C 1.38234 * 120.00037 * 179.72405 * 11 10 9 13 13 C 1.38234 * 120.00240 * 0.26327 * 12 11 10 14 14 Si 1.86795 * 120.00205 * 180.02562 * 13 12 11 15 15 C 1.86297 * 109.47192 * 89.99958 * 14 13 12 16 16 C 1.86301 * 109.47283 * 209.99980 * 14 13 12 17 17 C 1.86301 * 109.47118 * 329.99845 * 14 13 12 18 18 C 1.38238 * 119.99693 * 359.97438 * 13 12 11 19 19 C 1.38234 * 120.00067 * 0.02562 * 18 13 12 20 20 C 1.38752 * 119.88466 * 359.44053 * 7 6 5 21 21 C 1.50703 * 120.02901 * 180.29917 * 20 7 6 22 22 O 1.42901 * 109.47232 * 285.00770 * 21 20 7 23 23 Si 1.86293 * 109.47430 * 165.00283 * 21 20 7 24 24 H 1.48508 * 109.46985 * 60.00248 * 23 21 20 25 25 H 1.48499 * 109.47366 * 180.02562 * 23 21 20 26 26 H 1.48501 * 109.47369 * 300.00277 * 23 21 20 27 27 C 1.38125 * 119.94574 * 0.28369 * 20 7 6 28 28 H 1.09001 * 109.47211 * 300.00295 * 1 2 3 29 29 H 1.09007 * 109.47169 * 59.99713 * 1 2 3 30 30 H 1.09000 * 109.47680 * 179.97438 * 1 2 3 31 31 H 1.09003 * 109.46757 * 239.99969 * 2 1 3 32 32 H 1.09002 * 109.46658 * 300.00560 * 3 2 1 33 33 H 1.09002 * 109.46528 * 59.99609 * 3 2 1 34 34 H 1.08993 * 109.47082 * 180.02562 * 3 2 1 35 35 H 1.07999 * 119.96736 * 0.02562 * 5 4 2 36 36 H 1.08005 * 120.02937 * 180.25318 * 6 5 4 37 37 H 1.09000 * 109.46902 * 60.00273 * 9 8 7 38 38 H 1.09001 * 109.46622 * 300.00169 * 9 8 7 39 39 H 1.08002 * 120.00157 * 0.02562 * 11 10 9 40 40 H 1.07999 * 120.00009 * 180.28389 * 12 11 10 41 41 H 1.08999 * 109.47282 * 60.00138 * 15 14 13 42 42 H 1.08997 * 109.47709 * 179.97438 * 15 14 13 43 43 H 1.09001 * 109.47505 * 300.00288 * 15 14 13 44 44 H 1.08998 * 109.47270 * 60.00089 * 16 14 13 45 45 H 1.08997 * 109.47416 * 180.02562 * 16 14 13 46 46 H 1.09006 * 109.46995 * 300.00168 * 16 14 13 47 47 H 1.09002 * 109.46976 * 60.00696 * 17 14 13 48 48 H 1.09005 * 109.47230 * 179.97438 * 17 14 13 49 49 H 1.08998 * 109.47233 * 299.99787 * 17 14 13 50 50 H 1.08001 * 119.99624 * 180.02562 * 18 13 12 51 51 H 1.07999 * 120.00008 * 180.02562 * 19 18 13 52 52 H 1.09003 * 109.46842 * 44.99988 * 21 20 7 53 53 H 0.96701 * 114.00069 * 59.99940 * 22 21 20 54 54 H 1.07997 * 119.96985 * 179.97438 * 27 20 7 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 2.0401 1.4424 0.0000 4 6 2.0323 -0.7105 1.2305 5 6 1.6972 -0.2375 2.4855 6 6 2.1521 -0.8901 3.6151 7 6 2.9548 -2.0144 3.4892 8 8 3.4081 -2.6548 4.5987 9 6 3.0241 -2.1118 5.8637 10 6 3.6161 -2.9471 6.9695 11 6 4.8646 -2.6384 7.4762 12 6 5.4052 -3.4012 8.4945 13 6 4.6995 -4.4759 9.0024 14 14 5.4297 -5.5061 10.3789 15 6 4.9214 -4.7945 12.0238 16 6 4.8080 -7.2569 10.2410 17 6 7.2878 -5.4946 10.2446 18 6 3.4531 -4.7875 8.4923 19 6 2.9126 -4.0248 7.4740 20 6 3.2892 -2.4875 2.2284 21 6 4.1554 -3.7126 2.0879 22 8 5.5106 -3.3751 2.3907 23 14 4.0499 -4.3508 0.3408 24 1 4.5204 -3.3014 -0.5988 25 1 4.9030 -5.5584 0.2025 26 1 2.6416 -4.7016 0.0261 27 6 2.8271 -1.8348 1.1022 28 1 -0.3634 0.5139 0.8900 29 1 -0.3634 0.5139 -0.8900 30 1 -0.3634 -1.0276 -0.0005 31 1 1.8932 -0.5139 -0.8900 32 1 1.6767 1.9563 -0.8900 33 1 1.6767 1.9562 0.8900 34 1 3.1300 1.4423 -0.0005 35 1 1.0757 0.6403 2.5830 36 1 1.8868 -0.5226 4.5954 37 1 1.9373 -2.1167 5.9462 38 1 3.3903 -1.0885 5.9459 39 1 5.4157 -1.7984 7.0799 40 1 6.3786 -3.1572 8.8935 41 1 3.8343 -4.8013 12.1024 42 1 5.3471 -5.3958 12.8271 43 1 5.2851 -3.7701 12.1046 44 1 5.1054 -7.6734 9.2786 45 1 5.2337 -7.8580 11.0444 46 1 3.7208 -7.2637 10.3195 47 1 7.6515 -4.4702 10.3254 48 1 7.7139 -6.0954 11.0482 49 1 7.5852 -5.9110 9.2822 50 1 2.9016 -5.6270 8.8894 51 1 1.9386 -4.2680 7.0757 52 1 3.8101 -4.4828 2.7776 53 1 5.6405 -3.0351 3.2866 54 1 3.0875 -2.2024 0.1207 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) 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=GENORG IOFR=1.4345 ALPHA=0.00 BETA=0.00 GAMMA=38.93 & DIELEC=2.06 FACARB=0.00 FEHALO=0.00 DEV s_7_13942222_9276060.mol2 54 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Mon Mar 8 2021 18:03:12 Heat of formation + Delta-G solvation = -86.114543 kcal Electronic energy + Delta-G solvation = -29313.839146 eV Core-core repulsion = 25531.141798 eV Total energy + Delta-G solvation = -3782.697348 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 358.188 amu Computer time = -0.66 seconds Orbital eigenvalues (eV) -41.56747 -40.18009 -38.92176 -37.65767 -35.65344 -33.07114 -32.53498 -31.91919 -30.10005 -29.57896 -28.46476 -28.43927 -28.04943 -27.39697 -26.56316 -23.80457 -23.51862 -23.42947 -21.88151 -20.64393 -19.29232 -18.06723 -17.98705 -17.13091 -17.08325 -16.49412 -16.15601 -15.70663 -15.64785 -15.46095 -15.42300 -14.92417 -14.55872 -14.43059 -14.38428 -14.22847 -14.18340 -14.08794 -13.98209 -13.88003 -13.59559 -13.50668 -13.32529 -13.28318 -13.27728 -13.12545 -13.03702 -12.88166 -12.45138 -12.28749 -12.14037 -11.99392 -11.94977 -11.78025 -11.67807 -11.60722 -11.09925 -11.01979 -10.92890 -10.87724 -10.83897 -9.90253 -9.81579 -9.72512 -9.01807 0.13353 0.27990 0.41447 0.51244 1.31015 1.59093 1.63859 1.67362 1.82278 1.86065 2.06496 2.25116 2.51790 2.68413 2.99912 3.58043 3.67332 3.71176 3.75502 3.84620 3.99857 4.07863 4.08204 4.15275 4.18565 4.27175 4.28013 4.36024 4.46977 4.49730 4.52002 4.64339 4.67854 4.69194 4.70209 4.71672 4.72885 4.73673 4.74091 4.74504 4.82540 4.92043 4.96520 5.05201 5.06460 5.11713 5.23876 5.31841 5.32062 5.36890 5.38634 5.43606 5.47926 5.51256 5.58459 5.59268 5.66962 5.75848 6.07484 6.37021 6.71123 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.145 4.145 2 C -0.056 4.056 3 C -0.145 4.145 4 C -0.105 4.105 5 C -0.070 4.070 6 C -0.203 4.203 7 C 0.137 3.863 8 O -0.308 6.308 9 C 0.102 3.898 10 C -0.089 4.089 11 C -0.106 4.106 12 C -0.091 4.091 13 C -0.360 4.360 14 Si 1.060 2.940 15 C -0.449 4.449 16 C -0.450 4.450 17 C -0.450 4.450 18 C -0.092 4.092 19 C -0.106 4.106 20 C -0.141 4.141 21 C -0.082 4.082 22 O -0.538 6.538 23 Si 1.013 2.987 24 H -0.252 1.252 25 H -0.256 1.256 26 H -0.249 1.249 27 C -0.083 4.083 28 H 0.056 0.944 29 H 0.059 0.941 30 H 0.056 0.944 31 H 0.078 0.922 32 H 0.059 0.941 33 H 0.056 0.944 34 H 0.057 0.943 35 H 0.127 0.873 36 H 0.130 0.870 37 H 0.071 0.929 38 H 0.072 0.928 39 H 0.121 0.879 40 H 0.123 0.877 41 H 0.069 0.931 42 H 0.071 0.929 43 H 0.069 0.931 44 H 0.071 0.929 45 H 0.072 0.928 46 H 0.069 0.931 47 H 0.069 0.931 48 H 0.072 0.928 49 H 0.071 0.929 50 H 0.123 0.877 51 H 0.120 0.880 52 H 0.075 0.925 53 H 0.368 0.632 54 H 0.130 0.870 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -1.696 0.828 2.439 3.084 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 -0.203 4.203 2 C -0.074 4.074 3 C -0.202 4.202 4 C -0.105 4.105 5 C -0.088 4.088 6 C -0.221 4.221 7 C 0.092 3.908 8 O -0.222 6.222 9 C 0.027 3.973 10 C -0.089 4.089 11 C -0.124 4.124 12 C -0.109 4.109 13 C -0.402 4.402 14 Si 1.251 2.749 15 C -0.557 4.557 16 C -0.558 4.558 17 C -0.558 4.558 18 C -0.109 4.109 19 C -0.124 4.124 20 C -0.142 4.142 21 C -0.190 4.190 22 O -0.344 6.344 23 Si 0.833 3.167 24 H -0.176 1.176 25 H -0.180 1.180 26 H -0.172 1.172 27 C -0.100 4.100 28 H 0.075 0.925 29 H 0.078 0.922 30 H 0.076 0.924 31 H 0.096 0.904 32 H 0.078 0.922 33 H 0.075 0.925 34 H 0.076 0.924 35 H 0.144 0.856 36 H 0.147 0.853 37 H 0.089 0.911 38 H 0.090 0.910 39 H 0.139 0.861 40 H 0.141 0.859 41 H 0.088 0.912 42 H 0.090 0.910 43 H 0.088 0.912 44 H 0.090 0.910 45 H 0.091 0.909 46 H 0.088 0.912 47 H 0.088 0.912 48 H 0.091 0.909 49 H 0.090 0.910 50 H 0.141 0.859 51 H 0.138 0.862 52 H 0.093 0.907 53 H 0.216 0.784 54 H 0.147 0.853 Dipole moment (debyes) X Y Z Total from point charges -1.570 0.195 0.977 1.859 hybrid contribution -0.368 0.818 1.226 1.519 sum -1.938 1.012 2.203 3.104 Atomic orbital electron populations 1.21877 0.94146 1.02137 1.02095 1.20112 0.96069 0.96144 0.95114 1.21870 1.01371 0.94931 1.02063 1.19738 0.99442 0.96345 0.94990 1.20801 0.97950 0.98804 0.91218 1.21247 1.03133 0.97785 0.99964 1.18744 0.94104 0.91766 0.86197 1.86111 1.70663 1.53004 1.12465 1.21634 0.99372 0.96434 0.79854 1.19443 0.95654 0.97212 0.96595 1.21143 0.94423 0.99902 0.96939 1.21083 0.99446 0.94711 0.95673 1.27481 0.98964 1.03732 1.09996 0.78183 0.66546 0.65702 0.64424 1.26125 1.05789 1.06930 1.16820 1.26139 1.06263 1.18560 1.04813 1.26138 1.20247 1.04566 1.04815 1.21081 0.95502 0.98684 0.95674 1.21144 0.99925 0.94432 0.96921 1.19587 1.03563 1.00509 0.90537 1.25181 0.83314 0.96092 1.14406 1.86668 1.23973 1.86899 1.36816 0.84489 0.80278 0.79534 0.72360 1.17596 1.18043 1.17228 1.20867 0.96673 0.94996 0.97501 0.92457 0.92162 0.92439 0.90357 0.92172 0.92473 0.92413 0.85560 0.85263 0.91055 0.91007 0.86110 0.85875 0.91181 0.90995 0.91166 0.91012 0.90923 0.91188 0.91170 0.90927 0.90999 0.85905 0.86184 0.90699 0.78386 0.85296 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 -0.15 0.09 9.01 37.16 0.33 0.42 16 2 C -0.06 0.00 3.09 -91.77 -0.28 -0.29 16 3 C -0.15 0.06 9.01 37.16 0.33 0.40 16 4 C -0.10 -0.14 4.78 -104.60 -0.50 -0.64 16 5 C -0.07 -0.06 8.70 -39.61 -0.34 -0.40 16 6 C -0.20 -0.21 9.04 -39.44 -0.36 -0.56 16 7 C 0.14 0.30 6.62 -39.22 -0.26 0.04 16 8 O -0.31 -0.57 9.03 -19.41 -0.18 -0.75 16 9 C 0.10 0.00 4.86 36.00 0.18 0.18 16 10 C -0.09 -0.08 5.51 -104.63 -0.58 -0.65 16 11 C -0.11 -0.06 9.70 -39.58 -0.38 -0.45 16 12 C -0.09 -0.01 9.29 -39.58 -0.37 -0.37 16 13 C -0.36 0.14 4.59 -39.58 -0.18 -0.04 16 14 Si 1.06 -2.78 12.32 -169.99 -2.09 -4.88 16 15 C -0.45 0.76 8.65 101.05 0.87 1.63 16 16 C -0.45 0.81 8.53 101.05 0.86 1.68 16 17 C -0.45 0.81 8.53 101.05 0.86 1.68 16 18 C -0.09 -0.01 9.29 -39.58 -0.37 -0.38 16 19 C -0.11 -0.08 9.70 -39.58 -0.38 -0.46 16 20 C -0.14 -0.37 5.28 -104.47 -0.55 -0.92 16 21 C -0.08 -0.19 2.33 36.01 0.08 -0.11 16 22 O -0.54 -1.77 12.65 -35.23 -0.45 -2.21 16 23 Si 1.01 1.78 25.75 -169.99 -4.38 -2.59 16 24 H -0.25 -0.53 6.73 56.52 0.38 -0.15 16 25 H -0.26 -0.69 7.11 56.52 0.40 -0.29 16 26 H -0.25 -0.31 7.11 56.52 0.40 0.09 16 27 C -0.08 -0.18 8.28 -39.61 -0.33 -0.51 16 28 H 0.06 -0.05 7.38 -51.93 -0.38 -0.43 16 29 H 0.06 -0.07 8.14 -51.92 -0.42 -0.49 16 30 H 0.06 -0.01 8.14 -51.93 -0.42 -0.44 16 31 H 0.08 -0.02 7.87 -51.93 -0.41 -0.43 16 32 H 0.06 -0.06 8.14 -51.93 -0.42 -0.48 16 33 H 0.06 -0.04 7.39 -51.93 -0.38 -0.42 16 34 H 0.06 0.01 8.14 -51.93 -0.42 -0.41 16 35 H 0.13 -0.10 7.09 -52.49 -0.37 -0.47 16 36 H 0.13 -0.11 6.30 -52.48 -0.33 -0.44 16 37 H 0.07 -0.07 7.60 -51.93 -0.39 -0.46 16 38 H 0.07 -0.08 7.62 -51.93 -0.40 -0.47 16 39 H 0.12 -0.09 8.06 -52.49 -0.42 -0.51 16 40 H 0.12 -0.22 7.43 -52.49 -0.39 -0.61 16 41 H 0.07 -0.10 7.96 -51.93 -0.41 -0.52 16 42 H 0.07 -0.13 7.96 -51.93 -0.41 -0.55 16 43 H 0.07 -0.10 7.96 -51.93 -0.41 -0.52 16 44 H 0.07 -0.10 7.96 -51.93 -0.41 -0.51 16 45 H 0.07 -0.14 7.96 -51.93 -0.41 -0.55 16 46 H 0.07 -0.14 7.69 -51.93 -0.40 -0.54 16 47 H 0.07 -0.14 7.69 -51.93 -0.40 -0.54 16 48 H 0.07 -0.14 7.96 -51.93 -0.41 -0.55 16 49 H 0.07 -0.10 7.96 -51.93 -0.41 -0.51 16 50 H 0.12 -0.21 7.43 -52.49 -0.39 -0.60 16 51 H 0.12 -0.05 8.06 -52.49 -0.42 -0.47 16 52 H 0.07 0.14 7.83 -51.93 -0.41 -0.27 16 53 H 0.37 0.53 8.61 45.56 0.39 0.92 16 54 H 0.13 0.16 4.77 -52.49 -0.25 -0.09 16 LS Contribution 432.61 15.07 6.52 6.52 Total: 0.00 -4.71 432.61 -10.69 -15.40 By element: Atomic # 1 Polarization: -2.95 SS G_CDS: -8.76 Total: -11.71 kcal Atomic # 6 Polarization: 1.58 SS G_CDS: -1.36 Total: 0.22 kcal Atomic # 8 Polarization: -2.34 SS G_CDS: -0.62 Total: -2.96 kcal Atomic # 14 Polarization: -1.00 SS G_CDS: -6.47 Total: -7.47 kcal Total LS contribution 6.52 Total: 6.52 kcal Total: -4.71 -10.69 -15.40 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_7_13942222_9276060.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 -70.716 kcal (2) G-P(sol) polarization free energy of solvation -4.707 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -75.423 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.692 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -15.398 kcal (6) G-S(sol) free energy of system = (1) + (5) -86.115 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = -0.66 seconds