Wall clock time and date at job start Sat Apr 11 2020 06:11:41 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 1.42900 * 1 3 3 C 1.42904 * 113.99880 * 2 1 4 4 C 1.53004 * 109.46903 * 179.97438 * 3 2 1 5 5 N 1.46503 * 109.47095 * 65.00021 * 4 3 2 6 6 C 1.34773 * 119.99945 * 269.60267 * 5 4 3 7 7 O 1.21347 * 120.00422 * 185.42789 * 6 5 4 8 8 C 1.49456 * 120.00115 * 5.42902 * 6 5 4 9 9 O 1.21346 * 119.99819 * 355.21053 * 8 6 5 10 10 N 1.34779 * 120.00008 * 175.21338 * 8 6 5 11 11 C 1.46502 * 119.99908 * 179.97438 * 10 8 6 12 12 C 1.52989 * 109.47192 * 179.97438 * 11 10 8 13 13 C 1.53006 * 109.47485 * 180.02562 * 12 11 10 14 14 C 1.50694 * 109.47228 * 179.97438 * 13 12 11 15 15 H 1.07999 * 120.00442 * 0.02562 * 14 13 12 16 16 C 1.37872 * 119.99861 * 179.97438 * 14 13 12 17 17 N 1.31516 * 120.00242 * 359.97438 * 16 14 13 18 18 Si 1.86804 * 120.00257 * 180.02562 * 16 14 13 19 19 H 1.48494 * 109.47060 * 59.99739 * 18 16 14 20 20 H 1.48496 * 109.47221 * 180.02562 * 18 16 14 21 21 H 1.48505 * 109.46794 * 300.00040 * 18 16 14 22 22 C 1.46494 * 120.00128 * 89.59981 * 5 4 3 23 23 H 1.09008 * 110.53913 * 357.24841 * 22 5 4 24 24 C 1.54889 * 110.48771 * 119.86466 * 22 5 4 25 25 C 1.54891 * 102.74753 * 156.62128 * 24 22 5 26 26 C 1.54262 * 104.19888 * 322.05590 * 25 24 22 27 27 H 1.08996 * 110.03276 * 264.32740 * 26 25 24 28 28 C 1.53001 * 110.03123 * 142.89361 * 26 25 24 29 29 C 1.53880 * 106.59755 * 23.61211 * 26 25 24 30 30 H 1.09005 * 109.46964 * 59.99960 * 1 2 3 31 31 H 1.08997 * 109.47083 * 180.02562 * 1 2 3 32 32 H 1.08996 * 109.47246 * 300.00294 * 1 2 3 33 33 H 1.08998 * 109.47274 * 60.00307 * 3 2 1 34 34 H 1.09001 * 109.47024 * 299.99840 * 3 2 1 35 35 H 1.09000 * 109.47038 * 304.99835 * 4 3 2 36 36 H 1.09002 * 109.47083 * 184.99795 * 4 3 2 37 37 H 0.96992 * 119.99906 * 359.97438 * 10 8 6 38 38 H 1.09000 * 109.46974 * 300.00419 * 11 10 8 39 39 H 1.09000 * 109.46713 * 59.99772 * 11 10 8 40 40 H 1.09000 * 109.47514 * 300.00101 * 12 11 10 41 41 H 1.09000 * 109.47466 * 60.00246 * 12 11 10 42 42 H 1.09000 * 109.46553 * 300.00353 * 13 12 11 43 43 H 1.09000 * 109.46842 * 59.99528 * 13 12 11 44 44 H 0.96999 * 120.00064 * 179.97438 * 17 16 14 45 45 H 1.08996 * 110.75243 * 38.30516 * 24 22 5 46 46 H 1.08998 * 110.75044 * 274.93317 * 24 22 5 47 47 H 1.09003 * 110.48659 * 203.37662 * 25 24 22 48 48 H 1.09003 * 110.60068 * 80.79529 * 25 24 22 49 49 H 1.08997 * 109.47033 * 302.83332 * 28 26 25 50 50 H 1.08999 * 109.47040 * 62.84095 * 28 26 25 51 51 H 1.09008 * 109.46866 * 182.83551 * 28 26 25 52 52 H 1.09001 * 110.03492 * 119.28215 * 29 26 25 53 53 H 1.08993 * 110.03605 * 240.71753 * 29 26 25 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 2.0102 1.3055 0.0000 4 6 3.5355 1.1847 0.0006 5 7 3.9767 0.5640 -1.2509 6 6 4.1036 -0.7754 -1.3307 7 8 4.5622 -1.2828 -2.3330 8 6 3.6794 -1.6358 -0.1846 9 8 3.3024 -1.1259 0.8499 10 7 3.7157 -2.9782 -0.3002 11 6 3.3004 -3.8216 0.8234 12 6 3.4361 -5.2946 0.4328 13 6 3.0018 -6.1755 1.6060 14 6 3.1349 -7.6263 1.2211 15 1 3.4937 -7.8935 0.2381 16 6 2.7995 -8.6127 2.1241 17 7 2.3639 -8.2874 3.3216 18 14 2.9651 -10.4112 1.6472 19 1 4.3800 -10.7043 1.3049 20 1 2.5435 -11.2661 2.7859 21 1 2.1028 -10.6929 0.4715 22 6 4.2799 1.3991 -2.4156 23 1 4.0797 2.4480 -2.1967 24 6 5.7540 1.2079 -2.8508 25 6 5.7273 1.6266 -4.3419 26 6 4.3817 1.0819 -4.8637 27 1 4.5299 0.1108 -5.3361 28 6 3.7713 2.0648 -5.8648 29 6 3.4613 0.9373 -3.6390 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3633 -1.0276 0.0005 32 1 -0.3633 0.5139 0.8899 33 1 1.6886 1.8464 0.8900 34 1 1.6886 1.8464 -0.8900 35 1 3.8508 0.5685 0.8427 36 1 3.9785 2.1766 0.0902 37 1 4.0167 -3.3858 -1.1273 38 1 3.9330 -3.6143 1.6865 39 1 2.2617 -3.6068 1.0744 40 1 2.8032 -5.5015 -0.4301 41 1 4.4747 -5.5097 0.1816 42 1 3.6344 -5.9686 2.4692 43 1 1.9631 -5.9602 1.8569 44 1 2.1276 -8.9814 3.9568 45 1 6.0551 0.1654 -2.7476 46 1 6.4134 1.8601 -2.2783 47 1 6.5580 1.1712 -4.8810 48 1 5.7619 2.7120 -4.4361 49 1 3.6505 3.0386 -5.3904 50 1 4.4299 2.1602 -6.7280 51 1 2.7983 1.6955 -6.1894 52 1 2.5798 1.5673 -3.7579 53 1 3.1629 -0.1039 -3.5170 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 ZINC000343155578.mol2 53 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 06:11:41 Heat of formation + Delta-G solvation = -123.400379 kcal Electronic energy + Delta-G solvation = -31148.144616 eV Core-core repulsion = 27019.831315 eV Total energy + Delta-G solvation = -4128.313301 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 2.54 seconds Orbital eigenvalues (eV) -41.03159 -39.02931 -37.91826 -37.48858 -35.86278 -34.93209 -33.21367 -31.28925 -31.14096 -29.74888 -28.54830 -27.08914 -26.34384 -25.53907 -24.15716 -23.09657 -22.31101 -21.16634 -20.61564 -19.98787 -19.11854 -17.67356 -16.90409 -16.40853 -16.29045 -16.23669 -16.04860 -15.54496 -15.29106 -14.85991 -14.67059 -14.59347 -14.40776 -14.30653 -13.77120 -13.65153 -13.49985 -13.32532 -12.70647 -12.58752 -12.45696 -12.24926 -12.20468 -11.84627 -11.79531 -11.62062 -11.57213 -11.45043 -11.21436 -11.00575 -10.97928 -10.85952 -10.70297 -10.64981 -10.59738 -10.47909 -9.82954 -9.68132 -9.53248 -9.14455 -8.94322 -8.86453 -8.69989 -8.34671 -5.99697 -4.02450 1.66768 2.43059 3.34338 3.38649 3.41021 3.44616 3.57754 3.79890 4.31135 4.34283 4.46425 4.54574 4.65591 4.90369 4.92619 4.95632 5.07108 5.14163 5.15334 5.24232 5.26357 5.27920 5.32415 5.36077 5.37015 5.39736 5.54412 5.65219 5.66774 5.68697 5.72436 5.75969 5.80306 5.82471 5.89680 5.94977 6.06051 6.18864 6.24030 6.43942 6.53529 6.63311 6.84777 7.01280 7.02798 7.16932 7.52978 7.65697 7.78508 7.92040 7.99232 8.33713 8.41300 9.03981 9.61572 11.11544 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.014706 B = 0.002328 C = 0.002146 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1903.510593 B =12023.905276 C =13046.272250 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.032 3.968 2 O -0.363 6.363 3 C 0.052 3.948 4 C 0.088 3.912 5 N -0.580 5.580 6 C 0.517 3.483 7 O -0.519 6.519 8 C 0.504 3.496 9 O -0.496 6.496 10 N -0.699 5.699 11 C 0.120 3.880 12 C -0.122 4.122 13 C 0.025 3.975 14 C -0.522 4.522 15 H 0.055 0.945 16 C 0.057 3.943 17 N -0.895 5.895 18 Si 0.893 3.107 19 H -0.277 1.277 20 H -0.287 1.287 21 H -0.277 1.277 22 C 0.142 3.858 23 H 0.093 0.907 24 C -0.139 4.139 25 C -0.114 4.114 26 C -0.091 4.091 27 H 0.075 0.925 28 C -0.144 4.144 29 C -0.129 4.129 30 H 0.032 0.968 31 H 0.084 0.916 32 H 0.038 0.962 33 H 0.056 0.944 34 H 0.041 0.959 35 H 0.133 0.867 36 H 0.084 0.916 37 H 0.407 0.593 38 H 0.067 0.933 39 H 0.068 0.932 40 H 0.055 0.945 41 H 0.055 0.945 42 H 0.019 0.981 43 H 0.019 0.981 44 H 0.261 0.739 45 H 0.090 0.910 46 H 0.064 0.936 47 H 0.066 0.934 48 H 0.064 0.936 49 H 0.053 0.947 50 H 0.053 0.947 51 H 0.053 0.947 52 H 0.062 0.938 53 H 0.080 0.920 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.933 27.063 -13.027 30.097 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 -0.065 4.065 2 O -0.281 6.281 3 C -0.026 4.026 4 C -0.034 4.034 5 N -0.313 5.313 6 C 0.300 3.700 7 O -0.395 6.395 8 C 0.284 3.716 9 O -0.372 6.372 10 N -0.351 5.351 11 C -0.003 4.003 12 C -0.160 4.160 13 C -0.012 4.012 14 C -0.560 4.560 15 H 0.073 0.927 16 C -0.145 4.145 17 N -0.534 5.534 18 Si 0.721 3.279 19 H -0.202 1.202 20 H -0.213 1.213 21 H -0.202 1.202 22 C 0.039 3.961 23 H 0.111 0.889 24 C -0.177 4.177 25 C -0.152 4.152 26 C -0.110 4.110 27 H 0.093 0.907 28 C -0.202 4.202 29 C -0.167 4.167 30 H 0.051 0.949 31 H 0.102 0.898 32 H 0.057 0.943 33 H 0.074 0.926 34 H 0.059 0.941 35 H 0.150 0.850 36 H 0.102 0.898 37 H 0.242 0.758 38 H 0.085 0.915 39 H 0.086 0.914 40 H 0.074 0.926 41 H 0.074 0.926 42 H 0.037 0.963 43 H 0.037 0.963 44 H 0.071 0.929 45 H 0.109 0.891 46 H 0.083 0.917 47 H 0.085 0.915 48 H 0.083 0.917 49 H 0.072 0.928 50 H 0.072 0.928 51 H 0.072 0.928 52 H 0.080 0.920 53 H 0.098 0.902 Dipole moment (debyes) X Y Z Total from point charges 1.939 26.905 -12.616 29.779 hybrid contribution -0.244 -0.845 -0.560 1.043 sum 1.695 26.060 -13.175 29.251 Atomic orbital electron populations 1.22698 0.81956 1.02728 0.99128 1.88147 1.18616 1.26277 1.95087 1.22805 0.94292 0.85893 0.99619 1.22419 0.92918 0.99962 0.88083 1.47752 1.65214 1.05235 1.13064 1.20323 0.78750 0.82924 0.88000 1.90699 1.43181 1.73502 1.32074 1.19854 0.79998 0.83601 0.88160 1.90606 1.44562 1.72191 1.29830 1.45986 1.65188 1.05049 1.18914 1.21710 1.00270 0.90574 0.87701 1.21909 1.01196 0.91277 1.01649 1.19017 0.96854 0.93297 0.92063 1.21175 1.44015 0.91178 0.99648 0.92667 1.25023 0.95268 0.99168 0.94996 1.69954 1.44578 1.33213 1.05622 0.86642 0.78523 0.84815 0.77923 1.20231 1.21305 1.20249 1.22075 0.95454 0.93788 0.84800 0.88902 1.22923 0.95339 1.03655 0.95827 1.22335 0.97245 1.00233 0.95415 1.21623 0.94627 0.99371 0.95339 0.90696 1.21902 1.00548 0.98898 0.98822 1.22544 0.97730 1.03002 0.93423 0.94920 0.89755 0.94335 0.92613 0.94122 0.84985 0.89774 0.75806 0.91507 0.91376 0.92619 0.92598 0.96266 0.96278 0.92907 0.89103 0.91737 0.91525 0.91712 0.92804 0.92779 0.92821 0.91960 0.90184 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 0.03 0.33 11.01 101.05 1.11 1.45 16 2 O -0.36 -4.72 7.17 -58.94 -0.42 -5.14 16 3 C 0.05 0.50 6.24 37.16 0.23 0.74 16 4 C 0.09 0.85 5.61 -4.04 -0.02 0.82 16 5 N -0.58 -6.34 2.50 -164.72 -0.41 -6.75 16 6 C 0.52 7.13 6.60 -11.58 -0.08 7.05 16 7 O -0.52 -7.78 12.87 5.50 0.07 -7.71 16 8 C 0.50 7.78 6.97 -11.58 -0.08 7.70 16 9 O -0.50 -8.19 10.87 -18.21 -0.20 -8.38 16 10 N -0.70 -10.99 5.55 -60.73 -0.34 -11.33 16 11 C 0.12 2.12 5.67 -4.05 -0.02 2.10 16 12 C -0.12 -2.44 5.27 -26.73 -0.14 -2.59 16 13 C 0.03 0.64 4.97 -27.88 -0.14 0.51 16 14 C -0.52 -14.69 9.11 -34.44 -0.31 -15.00 16 15 H 0.06 1.50 7.74 -52.49 -0.41 1.10 16 16 C 0.06 1.63 5.46 -17.82 -0.10 1.53 16 17 N -0.89 -26.88 13.29 55.43 0.74 -26.14 16 18 Si 0.89 21.67 29.54 -169.99 -5.02 16.65 16 19 H -0.28 -6.59 7.11 56.52 0.40 -6.19 16 20 H -0.29 -6.90 7.11 56.52 0.40 -6.50 16 21 H -0.28 -6.60 7.11 56.52 0.40 -6.19 16 22 C 0.14 1.28 3.33 -66.27 -0.22 1.06 16 23 H 0.09 0.64 7.89 -51.92 -0.41 0.23 16 24 C -0.14 -1.27 6.26 -24.74 -0.15 -1.42 16 25 C -0.11 -0.89 6.36 -25.07 -0.16 -1.05 16 26 C -0.09 -0.77 3.50 -89.50 -0.31 -1.08 16 27 H 0.07 0.73 8.14 -51.93 -0.42 0.31 16 28 C -0.14 -0.98 8.85 37.16 0.33 -0.65 16 29 C -0.13 -1.23 5.70 -25.61 -0.15 -1.38 16 30 H 0.03 0.29 8.14 -51.93 -0.42 -0.13 16 31 H 0.08 0.92 8.14 -51.93 -0.42 0.50 16 32 H 0.04 0.36 8.14 -51.93 -0.42 -0.06 16 33 H 0.06 0.47 8.14 -51.93 -0.42 0.04 16 34 H 0.04 0.35 8.14 -51.93 -0.42 -0.07 16 35 H 0.13 1.57 5.18 -52.13 -0.27 1.30 16 36 H 0.08 0.54 7.98 -51.93 -0.41 0.13 16 37 H 0.41 5.99 7.95 -40.82 -0.32 5.66 16 38 H 0.07 1.22 8.14 -51.93 -0.42 0.80 16 39 H 0.07 1.26 8.14 -51.93 -0.42 0.84 16 40 H 0.06 1.09 8.14 -51.93 -0.42 0.66 16 41 H 0.06 1.09 8.14 -51.93 -0.42 0.66 16 42 H 0.02 0.51 8.14 -51.93 -0.42 0.09 16 43 H 0.02 0.51 8.14 -51.93 -0.42 0.09 16 44 H 0.26 7.42 8.31 -40.82 -0.34 7.08 16 45 H 0.09 1.08 6.00 -51.93 -0.31 0.77 16 46 H 0.06 0.51 8.14 -51.93 -0.42 0.09 16 47 H 0.07 0.52 8.14 -51.93 -0.42 0.09 16 48 H 0.06 0.42 7.83 -51.93 -0.41 0.01 16 49 H 0.05 0.33 8.12 -51.93 -0.42 -0.10 16 50 H 0.05 0.34 8.14 -51.93 -0.42 -0.09 16 51 H 0.05 0.37 8.14 -51.92 -0.42 -0.06 16 52 H 0.06 0.53 7.67 -51.93 -0.40 0.13 16 53 H 0.08 1.00 6.04 -51.93 -0.31 0.69 16 LS Contribution 415.00 15.07 6.25 6.25 Total: -1.00 -31.76 415.00 -9.12 -40.88 By element: Atomic # 1 Polarization: 11.46 SS G_CDS: -9.58 Total: 1.88 kcal Atomic # 6 Polarization: 0.00 SS G_CDS: -0.21 Total: -0.21 kcal Atomic # 7 Polarization: -44.21 SS G_CDS: -0.01 Total: -44.22 kcal Atomic # 8 Polarization: -20.69 SS G_CDS: -0.55 Total: -21.23 kcal Atomic # 14 Polarization: 21.67 SS G_CDS: -5.02 Total: 16.65 kcal Total LS contribution 6.25 Total: 6.25 kcal Total: -31.76 -9.12 -40.88 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. ZINC000343155578.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 -82.518 kcal (2) G-P(sol) polarization free energy of solvation -31.761 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -114.280 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.121 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.882 kcal (6) G-S(sol) free energy of system = (1) + (5) -123.400 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.54 seconds