Wall clock time and date at job start Wed Apr 1 2020 00:15:21 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 O 1.42891 * 1 3 3 C 1.42898 * 114.00161 * 2 1 4 4 C 1.52998 * 109.47496 * 179.97438 * 3 2 1 5 5 N 1.46500 * 109.46927 * 64.99939 * 4 3 2 6 6 C 1.36937 * 120.00330 * 270.00360 * 5 4 3 7 7 H 1.07994 * 120.00588 * 142.67713 * 6 5 4 8 8 C 1.38815 * 119.99741 * 322.67644 * 6 5 4 9 9 N 1.31620 * 120.00077 * 337.91175 * 8 6 5 10 10 Si 1.86804 * 119.99837 * 157.90752 * 8 6 5 11 11 H 1.48505 * 109.46713 * 90.00504 * 10 8 6 12 12 H 1.48497 * 109.47368 * 210.00103 * 10 8 6 13 13 H 1.48498 * 109.47339 * 330.00471 * 10 8 6 14 14 C 1.46500 * 120.00282 * 90.00393 * 5 4 3 15 15 C 1.53036 * 109.46458 * 122.04346 * 14 5 4 16 16 C 1.53164 * 109.32794 * 181.38838 * 15 14 5 17 17 N 1.46924 * 108.76934 * 305.35616 * 16 15 14 18 18 C 1.34773 * 120.63094 * 233.59103 * 17 16 15 19 19 O 1.21286 * 119.99917 * 175.38191 * 18 17 16 20 20 C 1.50704 * 120.00129 * 355.37903 * 18 17 16 21 21 H 1.08998 * 110.45426 * 31.40534 * 20 18 17 22 22 C 1.54512 * 110.51042 * 154.15854 * 20 18 17 23 23 C 1.54476 * 104.05929 * 118.64673 * 22 20 18 24 24 O 1.44433 * 104.80560 * 336.02039 * 23 22 20 25 25 C 1.44424 * 105.27084 * 40.51241 * 24 23 22 26 26 H 1.09000 * 110.46845 * 78.37166 * 25 24 23 27 27 C 1.53005 * 110.36565 * 200.65453 * 25 24 23 28 28 C 1.46928 * 118.73967 * 53.60707 * 17 16 15 29 29 C 1.53040 * 109.45874 * 242.10451 * 14 5 4 30 30 H 1.09004 * 109.47328 * 59.99697 * 1 2 3 31 31 H 1.08992 * 109.47525 * 180.02562 * 1 2 3 32 32 H 1.09008 * 109.47045 * 300.00069 * 1 2 3 33 33 H 1.09006 * 109.47071 * 60.00199 * 3 2 1 34 34 H 1.08994 * 109.47406 * 299.99929 * 3 2 1 35 35 H 1.09003 * 109.47383 * 305.00537 * 4 3 2 36 36 H 1.08995 * 109.47814 * 185.00011 * 4 3 2 37 37 H 0.96997 * 119.99807 * 179.97438 * 9 8 6 38 38 H 1.09003 * 109.45737 * 2.06880 * 14 5 4 39 39 H 1.08998 * 109.49578 * 301.32715 * 15 14 5 40 40 H 1.08998 * 109.49684 * 61.42057 * 15 14 5 41 41 H 1.08997 * 109.58844 * 185.57307 * 16 15 14 42 42 H 1.08997 * 109.59003 * 65.14156 * 16 15 14 43 43 H 1.08995 * 110.51057 * 237.29133 * 22 20 18 44 44 H 1.08997 * 110.50741 * 0.02562 * 22 20 18 45 45 H 1.08998 * 110.37356 * 217.19094 * 23 22 20 46 46 H 1.08999 * 110.37494 * 94.85292 * 23 22 20 47 47 H 1.09004 * 109.46508 * 169.75701 * 27 25 24 48 48 H 1.08996 * 109.47563 * 289.75603 * 27 25 24 49 49 H 1.08993 * 109.47344 * 49.76385 * 27 25 24 50 50 H 1.08993 * 109.58962 * 186.60424 * 28 17 16 51 51 H 1.09005 * 109.58499 * 66.17952 * 28 17 16 52 52 H 1.08994 * 109.49340 * 298.57104 * 29 14 5 53 53 H 1.09000 * 109.49933 * 58.64181 * 29 14 5 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 1.4289 0.0000 0.0000 3 6 2.0102 1.3054 0.0000 4 6 3.5354 1.1847 0.0006 5 7 3.9766 0.5640 -1.2509 6 6 4.0977 -0.7975 -1.3345 7 1 3.8270 -1.3087 -2.2464 8 6 4.5686 -1.5204 -0.2471 9 7 5.2919 -0.9237 0.6765 10 14 4.1754 -3.3403 -0.0945 11 1 5.2363 -4.1338 -0.7654 12 1 4.1109 -3.7141 1.3412 13 1 2.8666 -3.6196 -0.7381 14 6 4.2883 1.3998 -2.4130 15 6 5.7319 1.1447 -2.8521 16 6 6.0654 2.0451 -4.0454 17 7 5.0662 1.8226 -5.0993 18 6 5.4485 1.5052 -6.3521 19 8 4.6144 1.2420 -7.1924 20 6 6.9124 1.4773 -6.7089 21 1 7.5095 1.1844 -5.8453 22 6 7.1625 0.5182 -7.8942 23 6 7.7384 1.4303 -9.0000 24 8 7.2573 2.7528 -8.6752 25 6 7.3667 2.8554 -7.2388 26 1 8.3987 3.0522 -6.9483 27 6 6.4465 3.9584 -6.7120 28 6 3.6422 1.9532 -4.7617 29 6 3.3359 1.0537 -3.5599 30 1 -0.3634 0.5139 -0.8900 31 1 -0.3634 -1.0276 0.0005 32 1 -0.3633 0.5139 0.8900 33 1 1.6886 1.8464 0.8901 34 1 1.6886 1.8464 -0.8899 35 1 3.8508 0.5685 0.8427 36 1 3.9784 2.1765 0.0902 37 1 5.6206 -1.4289 1.4366 38 1 4.1698 2.4502 -2.1471 39 1 6.4081 1.3691 -2.0272 40 1 5.8449 0.1000 -3.1418 41 1 7.0571 1.7976 -4.4241 42 1 6.0412 3.0892 -3.7334 43 1 7.8848 -0.2500 -7.6181 44 1 6.2273 0.0646 -8.2223 45 1 7.3684 1.1214 -9.9776 46 1 8.8280 1.4078 -8.9813 47 1 6.4006 3.9045 -5.6243 48 1 6.8369 4.9311 -7.0114 49 1 5.4466 3.8254 -7.1248 50 1 3.0351 1.6451 -5.6128 51 1 3.4203 2.9898 -4.5081 52 1 3.4715 0.0099 -3.8429 53 1 2.3066 1.2130 -3.2387 RHF calculation, no. of doubly occupied orbitals= 66 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 ZINC001670999331.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:15:21 Heat of formation + Delta-G solvation = -96.006922 kcal Electronic energy + Delta-G solvation = -32343.740348 eV Core-core repulsion = 28216.614916 eV Total energy + Delta-G solvation = -4127.125431 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.49 seconds Orbital eigenvalues (eV) -40.81197 -38.81200 -37.50183 -36.78492 -34.96543 -32.94048 -31.88448 -31.53079 -30.58461 -30.51045 -28.14399 -26.62552 -25.66961 -24.83752 -23.44956 -22.89000 -22.22638 -21.84956 -20.56614 -19.76552 -18.41136 -17.58111 -16.46927 -16.28044 -16.02192 -15.71474 -15.62762 -15.06818 -14.96842 -14.81511 -14.73849 -14.04226 -13.90671 -13.80414 -13.54007 -13.32965 -13.12518 -12.74826 -12.59576 -12.40799 -12.33632 -12.11578 -11.77893 -11.68991 -11.57551 -11.38247 -11.34855 -11.06208 -11.02641 -10.91961 -10.77508 -10.70394 -10.61851 -10.47146 -10.05239 -10.00172 -9.86975 -9.81071 -9.53840 -9.37522 -8.82705 -8.38089 -8.34656 -6.51742 -5.71197 -3.25287 2.73683 3.16084 3.42972 3.50716 3.57935 3.72899 4.32553 4.48684 4.55518 4.66034 4.68386 4.83729 4.94510 5.10114 5.15492 5.19874 5.24044 5.35468 5.39567 5.44812 5.51649 5.55917 5.60242 5.71149 5.72855 5.75458 5.76433 5.79627 5.82149 5.96534 6.01366 6.02410 6.06080 6.07688 6.13973 6.15528 6.27964 6.39680 6.46880 6.61186 6.66474 6.69115 6.70592 6.85939 7.10247 7.17285 7.62106 7.64119 7.91731 8.07321 8.35777 8.60600 9.25330 9.89876 10.44609 11.30601 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015344 B = 0.003204 C = 0.002969 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1824.371083 B = 8737.337149 C = 9428.489030 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.030 3.970 2 O -0.354 6.354 3 C 0.047 3.953 4 C 0.144 3.856 5 N -0.572 5.572 6 C -0.233 4.233 7 H 0.054 0.946 8 C 0.020 3.980 9 N -0.892 5.892 10 Si 0.892 3.108 11 H -0.292 1.292 12 H -0.292 1.292 13 H -0.279 1.279 14 C 0.178 3.822 15 C -0.133 4.133 16 C 0.103 3.897 17 N -0.603 5.603 18 C 0.530 3.470 19 O -0.544 6.544 20 C -0.148 4.148 21 H 0.109 0.891 22 C -0.144 4.144 23 C 0.049 3.951 24 O -0.367 6.367 25 C 0.090 3.910 26 H 0.079 0.921 27 C -0.158 4.158 28 C 0.114 3.886 29 C -0.139 4.139 30 H 0.028 0.972 31 H 0.074 0.926 32 H 0.026 0.974 33 H 0.023 0.977 34 H 0.026 0.974 35 H 0.102 0.898 36 H 0.039 0.961 37 H 0.251 0.749 38 H 0.046 0.954 39 H 0.074 0.926 40 H 0.072 0.928 41 H 0.077 0.923 42 H 0.064 0.936 43 H 0.081 0.919 44 H 0.094 0.906 45 H 0.092 0.908 46 H 0.059 0.941 47 H 0.078 0.922 48 H 0.064 0.936 49 H 0.067 0.933 50 H 0.083 0.917 51 H 0.060 0.940 52 H 0.067 0.933 53 H 0.064 0.936 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 3.032 8.997 -9.916 13.728 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 -0.067 4.067 2 O -0.271 6.271 3 C -0.033 4.033 4 C 0.018 3.982 5 N -0.290 5.290 6 C -0.363 4.363 7 H 0.072 0.928 8 C -0.179 4.179 9 N -0.536 5.536 10 Si 0.723 3.277 11 H -0.219 1.219 12 H -0.218 1.218 13 H -0.204 1.204 14 C 0.070 3.930 15 C -0.173 4.173 16 C -0.020 4.020 17 N -0.335 5.335 18 C 0.318 3.682 19 O -0.422 6.422 20 C -0.170 4.170 21 H 0.127 0.873 22 C -0.182 4.182 23 C -0.028 4.028 24 O -0.286 6.286 25 C 0.032 3.968 26 H 0.096 0.904 27 C -0.215 4.215 28 C -0.008 4.008 29 C -0.179 4.179 30 H 0.047 0.953 31 H 0.092 0.908 32 H 0.044 0.956 33 H 0.041 0.959 34 H 0.045 0.955 35 H 0.120 0.880 36 H 0.057 0.943 37 H 0.061 0.939 38 H 0.064 0.936 39 H 0.092 0.908 40 H 0.091 0.909 41 H 0.095 0.905 42 H 0.083 0.917 43 H 0.100 0.900 44 H 0.112 0.888 45 H 0.110 0.890 46 H 0.077 0.923 47 H 0.096 0.904 48 H 0.084 0.916 49 H 0.086 0.914 50 H 0.101 0.899 51 H 0.078 0.922 52 H 0.086 0.914 53 H 0.083 0.917 Dipole moment (debyes) X Y Z Total from point charges 2.693 8.787 -10.323 13.822 hybrid contribution -0.417 -0.984 0.519 1.188 sum 2.277 7.804 -9.804 12.735 Atomic orbital electron populations 1.22626 0.84323 1.01446 0.98352 1.88221 1.16463 1.27636 1.94797 1.23451 0.98985 0.84124 0.96703 1.21027 0.87412 0.96513 0.93294 1.43732 1.75173 1.02716 1.07419 1.18678 1.36215 0.81508 0.99857 0.92832 1.24966 0.96538 0.97320 0.99089 1.69969 1.34520 1.35836 1.13244 0.86479 0.78380 0.86087 0.76802 1.21901 1.21783 1.20403 1.20320 0.91167 0.93380 0.88133 1.22285 0.99647 0.99991 0.95404 1.22010 0.91195 1.00008 0.88821 1.48135 1.07793 1.68809 1.08806 1.20044 0.90350 0.76003 0.81824 1.90654 1.53640 1.49302 1.48611 1.22873 0.95358 0.98004 1.00740 0.87348 1.22962 1.03442 0.97992 0.93791 1.23374 0.97935 0.82328 0.99155 1.89162 1.85847 1.32602 1.21009 1.22825 0.99107 0.93245 0.81644 0.90356 1.22007 1.00108 0.97751 1.01603 1.21661 0.80781 0.99446 0.98960 1.22368 1.00458 1.00119 0.94959 0.95326 0.90788 0.95593 0.95924 0.95540 0.88000 0.94314 0.93885 0.93589 0.90778 0.90929 0.90497 0.91742 0.90029 0.88782 0.88970 0.92286 0.90373 0.91647 0.91367 0.89851 0.92218 0.91381 0.91716 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 0.03 0.49 11.01 101.05 1.11 1.61 16 2 O -0.35 -7.63 10.18 -35.23 -0.36 -7.98 16 3 C 0.05 0.91 6.28 37.16 0.23 1.14 16 4 C 0.14 3.15 5.70 -4.04 -0.02 3.13 16 5 N -0.57 -12.88 2.35 -165.62 -0.39 -13.27 16 6 C -0.23 -5.99 7.67 -15.06 -0.12 -6.10 16 7 H 0.05 1.44 6.98 -52.49 -0.37 1.08 16 8 C 0.02 0.54 4.94 -17.43 -0.09 0.45 16 9 N -0.89 -24.63 11.50 55.49 0.64 -23.99 16 10 Si 0.89 21.93 29.61 -169.99 -5.03 16.90 16 11 H -0.29 -7.14 7.11 56.52 0.40 -6.74 16 12 H -0.29 -7.25 7.11 56.52 0.40 -6.85 16 13 H -0.28 -6.93 7.11 56.52 0.40 -6.53 16 14 C 0.18 3.28 2.59 -67.89 -0.18 3.10 16 15 C -0.13 -2.28 5.27 -26.63 -0.14 -2.42 16 16 C 0.10 1.32 4.98 -3.73 -0.02 1.30 16 17 N -0.60 -8.66 2.55 -172.78 -0.44 -9.10 16 18 C 0.53 8.03 4.88 -10.98 -0.05 7.98 16 19 O -0.54 -10.15 15.07 5.55 0.08 -10.06 16 20 C -0.15 -1.77 2.77 -90.20 -0.25 -2.02 16 21 H 0.11 1.11 5.92 -51.93 -0.31 0.81 16 22 C -0.14 -1.61 6.61 -25.16 -0.17 -1.78 16 23 C 0.05 0.50 7.63 37.93 0.29 0.79 16 24 O -0.37 -4.77 11.34 -35.23 -0.40 -5.17 16 25 C 0.09 1.00 3.83 -25.96 -0.10 0.90 16 26 H 0.08 0.70 8.14 -51.93 -0.42 0.27 16 27 C -0.16 -1.72 8.49 37.16 0.32 -1.41 16 28 C 0.11 1.72 6.44 -3.71 -0.02 1.69 16 29 C -0.14 -2.43 5.34 -26.61 -0.14 -2.57 16 30 H 0.03 0.43 8.14 -51.93 -0.42 0.01 16 31 H 0.07 1.14 8.14 -51.93 -0.42 0.72 16 32 H 0.03 0.37 8.14 -51.92 -0.42 -0.05 16 33 H 0.02 0.40 8.14 -51.93 -0.42 -0.03 16 34 H 0.03 0.49 8.14 -51.93 -0.42 0.06 16 35 H 0.10 2.61 5.53 -51.93 -0.29 2.32 16 36 H 0.04 0.77 7.90 -51.93 -0.41 0.36 16 37 H 0.25 6.83 8.31 -40.82 -0.34 6.49 16 38 H 0.05 0.79 7.78 -51.93 -0.40 0.39 16 39 H 0.07 1.36 8.14 -51.93 -0.42 0.94 16 40 H 0.07 1.44 7.66 -51.93 -0.40 1.05 16 41 H 0.08 0.84 5.32 -51.93 -0.28 0.56 16 42 H 0.06 0.73 7.55 -51.93 -0.39 0.34 16 43 H 0.08 0.74 8.14 -51.93 -0.42 0.32 16 44 H 0.09 1.27 6.83 -51.93 -0.35 0.91 16 45 H 0.09 0.86 8.14 -51.93 -0.42 0.44 16 46 H 0.06 0.48 8.14 -51.93 -0.42 0.06 16 47 H 0.08 0.78 5.62 -51.93 -0.29 0.49 16 48 H 0.06 0.62 8.14 -51.93 -0.42 0.20 16 49 H 0.07 0.91 7.32 -51.93 -0.38 0.53 16 50 H 0.08 1.35 7.00 -51.93 -0.36 0.98 16 51 H 0.06 0.79 8.14 -51.93 -0.42 0.37 16 52 H 0.07 1.38 7.13 -51.93 -0.37 1.01 16 53 H 0.06 1.15 8.14 -51.93 -0.42 0.73 16 LS Contribution 401.04 15.07 6.04 6.04 Total: -1.00 -31.18 401.04 -8.43 -39.61 By element: Atomic # 1 Polarization: 10.48 SS G_CDS: -9.23 Total: 1.25 kcal Atomic # 6 Polarization: 5.14 SS G_CDS: 0.66 Total: 5.80 kcal Atomic # 7 Polarization: -46.18 SS G_CDS: -0.19 Total: -46.37 kcal Atomic # 8 Polarization: -22.55 SS G_CDS: -0.67 Total: -23.22 kcal Atomic # 14 Polarization: 21.93 SS G_CDS: -5.03 Total: 16.90 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -31.18 -8.43 -39.61 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. ZINC001670999331.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 -56.399 kcal (2) G-P(sol) polarization free energy of solvation -31.176 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -87.575 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.432 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.608 kcal (6) G-S(sol) free energy of system = (1) + (5) -96.007 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.49 seconds