Wall clock time and date at job start Tue Mar 31 2020 05:36:02 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 N 2 2 C 1.31510 * 1 3 3 Si 1.86806 * 119.99904 * 2 1 4 4 H 1.48497 * 109.47021 * 270.00362 * 3 2 1 5 5 H 1.48497 * 109.46867 * 30.00368 * 3 2 1 6 6 H 1.48496 * 109.47011 * 150.00057 * 3 2 1 7 7 C 1.37871 * 120.00371 * 180.02562 * 2 1 3 8 8 H 1.08001 * 120.00268 * 180.02562 * 7 2 1 9 9 C 1.50707 * 120.00072 * 359.97438 * 7 2 1 10 10 N 1.46498 * 109.47254 * 180.02562 * 9 7 2 11 11 C 1.46500 * 119.99832 * 270.00055 * 10 9 7 12 12 C 1.50707 * 109.47041 * 269.99582 * 11 10 9 13 13 C 1.38665 * 120.42168 * 269.72406 * 12 11 10 14 14 C 1.38628 * 118.42174 * 179.78152 * 13 12 11 15 15 C 1.38230 * 119.15856 * 0.51297 * 14 13 12 16 16 N 1.31852 * 120.76185 * 359.72926 * 15 14 13 17 17 C 1.31884 * 121.72797 * 359.97438 * 16 15 14 18 18 C 1.34773 * 120.00170 * 90.00078 * 10 9 7 19 19 O 1.21283 * 120.00326 * 180.02562 * 18 10 9 20 20 C 1.50703 * 120.00000 * 359.97438 * 18 10 9 21 21 C 1.52999 * 109.47349 * 186.18471 * 20 18 10 22 22 H 1.09000 * 109.25162 * 305.59341 * 21 20 18 23 23 C 1.52740 * 109.25483 * 65.02927 * 21 20 18 24 24 C 1.53242 * 108.35935 * 171.43291 * 23 21 20 25 25 C 1.52729 * 108.44495 * 290.11874 * 24 23 21 26 26 C 1.50634 * 110.56528 * 51.06684 * 25 24 23 27 27 C 1.38910 * 117.75631 * 162.34885 * 26 25 24 28 28 C 1.37938 * 120.54749 * 179.72036 * 27 26 25 29 29 C 1.38258 * 119.76975 * 359.97438 * 28 27 26 30 30 C 1.37935 * 119.77492 * 0.11891 * 29 28 27 31 31 C 1.37664 * 122.56667 * 342.28204 * 26 25 24 32 32 H 0.97000 * 120.00428 * 0.02562 * 1 2 3 33 33 H 1.09002 * 109.46793 * 60.00129 * 9 7 2 34 34 H 1.08995 * 109.47078 * 300.00208 * 9 7 2 35 35 H 1.08999 * 109.47381 * 30.00204 * 11 10 9 36 36 H 1.09001 * 109.47108 * 150.00468 * 11 10 9 37 37 H 1.07999 * 120.78957 * 0.02562 * 13 12 11 38 38 H 1.07994 * 120.42462 * 180.26527 * 14 13 12 39 39 H 1.08000 * 119.62149 * 179.74473 * 15 14 13 40 40 H 1.08004 * 119.61676 * 180.02562 * 17 16 15 41 41 H 1.09000 * 109.47235 * 66.18269 * 20 18 10 42 42 H 1.08998 * 109.47031 * 306.18335 * 20 18 10 43 43 H 1.09000 * 109.68302 * 291.15913 * 23 21 20 44 44 H 1.08998 * 109.68561 * 51.72452 * 23 21 20 45 45 H 1.09002 * 109.63381 * 170.39399 * 24 23 21 46 46 H 1.08999 * 109.68226 * 49.87876 * 24 23 21 47 47 H 1.08995 * 109.25574 * 290.79919 * 25 24 23 48 48 H 1.09006 * 109.25033 * 171.32874 * 25 24 23 49 49 H 1.08003 * 119.72826 * 359.73315 * 27 26 25 50 50 H 1.07998 * 120.11034 * 179.97438 * 28 27 26 51 51 H 1.08004 * 120.11267 * 180.14468 * 29 28 27 52 52 H 1.07998 * 119.72926 * 180.02562 * 30 29 28 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3151 0.0000 0.0000 3 14 2.2491 1.6178 0.0000 4 1 2.4965 2.0465 -1.4001 5 1 1.4465 2.6526 0.7001 6 1 3.5466 1.4402 0.7000 7 6 2.0045 -1.1940 -0.0005 8 1 3.0845 -1.1939 -0.0001 9 6 1.2511 -2.4992 -0.0005 10 7 2.2031 -3.6126 -0.0005 11 6 2.6792 -4.1693 -1.2693 12 6 1.7625 -5.2837 -1.7043 13 6 2.0117 -6.5907 -1.3138 14 6 1.1391 -7.5825 -1.7339 15 6 0.0633 -7.2397 -2.5313 16 7 -0.1399 -5.9865 -2.8875 17 6 0.6661 -5.0165 -2.5017 18 6 2.6411 -4.1248 1.1666 19 8 3.4296 -5.0463 1.1666 20 6 2.1519 -3.5518 2.4718 21 6 2.9113 -4.2011 3.6304 22 1 2.8193 -5.2847 3.5581 23 6 4.3866 -3.8148 3.5451 24 6 5.0852 -4.2920 4.8227 25 6 4.5965 -3.4359 5.9893 26 6 3.0910 -3.3940 6.0206 27 6 2.4795 -2.9881 7.1999 28 6 1.1046 -2.9231 7.2904 29 6 0.3279 -3.2639 6.1986 30 6 0.9331 -3.6690 5.0271 31 6 2.3174 -3.7380 4.9351 32 1 -0.4851 0.8400 -0.0004 33 1 0.6241 -2.5567 -0.8903 34 1 0.6248 -2.5571 0.8896 35 1 2.6869 -3.3877 -2.0289 36 1 3.6886 -4.5594 -1.1389 37 1 2.8631 -6.8296 -0.6939 38 1 1.2999 -8.6107 -1.4452 39 1 -0.6189 -8.0070 -2.8663 40 1 0.4672 -4.0017 -2.8132 41 1 1.0856 -3.7511 2.5791 42 1 2.3232 -2.4754 2.4829 43 1 4.8415 -4.2924 2.6773 44 1 4.4782 -2.7321 3.4591 45 1 6.1641 -4.1817 4.7133 46 1 4.8395 -5.3379 5.0067 47 1 4.9819 -2.4225 5.8777 48 1 4.9636 -3.8592 6.9243 49 1 3.0855 -2.7211 8.0531 50 1 0.6366 -2.6070 8.2110 51 1 -0.7490 -3.2127 6.2626 52 1 0.3257 -3.9346 4.1746 RHF calculation, no. of doubly occupied orbitals= 68 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 ZINC000264506966.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 05:36:02 Heat of formation + Delta-G solvation = 3.322672 kcal Electronic energy + Delta-G solvation = -33064.867053 eV Core-core repulsion = 28992.905515 eV Total energy + Delta-G solvation = -4071.961538 eV No. of doubly occupied orbitals = 68 Molecular weight (most abundant/longest-lived isotopes) = 364.189 amu Computer time = 2.19 seconds Orbital eigenvalues (eV) -40.33375 -39.93276 -38.80604 -36.06693 -35.15465 -33.55244 -32.95335 -32.12784 -31.34329 -30.04839 -29.57141 -27.66043 -27.15136 -25.43537 -23.43977 -23.12351 -22.80650 -22.53094 -22.03917 -21.00738 -19.14907 -18.27520 -16.98989 -16.84245 -16.52945 -16.12697 -15.69730 -15.63476 -15.34856 -15.14258 -15.06047 -14.57389 -14.40024 -14.01194 -13.62997 -13.47547 -13.38138 -13.17824 -12.88006 -12.72017 -12.66352 -12.47316 -12.37894 -12.05310 -12.02410 -11.71426 -11.66737 -11.42424 -11.19770 -11.16589 -11.01252 -10.86666 -10.78280 -10.61365 -10.24556 -10.12647 -9.96590 -9.83291 -9.59674 -9.23919 -9.15853 -8.75212 -8.60792 -8.55614 -8.35497 -7.82203 -6.22382 -4.30399 1.29896 1.51877 1.52797 1.53774 3.20166 3.27817 3.29113 3.35731 3.76565 3.91718 4.20492 4.30940 4.66645 4.76466 4.82394 5.01927 5.04369 5.05712 5.10719 5.13885 5.16744 5.22917 5.26334 5.30732 5.36693 5.45569 5.51672 5.57286 5.66509 5.69916 5.72541 5.85185 5.91299 5.99853 6.02419 6.04938 6.11001 6.15495 6.19904 6.22325 6.32150 6.34694 6.41207 6.53798 6.57161 6.63733 6.66103 6.72090 6.76297 6.87423 6.93412 7.12497 7.18186 7.44342 7.71670 7.99829 8.18463 8.24885 8.73940 8.94667 9.38168 10.84230 Molecular weight = 364.19amu Principal moments of inertia in cm(-1) A = 0.006729 B = 0.003783 C = 0.002888 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 4160.224253 B = 7399.090416 C = 9691.609418 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.888 5.888 2 C 0.068 3.932 3 Si 0.894 3.106 4 H -0.279 1.279 5 H -0.285 1.285 6 H -0.273 1.273 7 C -0.540 4.540 8 H 0.061 0.939 9 C 0.238 3.762 10 N -0.591 5.591 11 C 0.160 3.840 12 C -0.144 4.144 13 C -0.056 4.056 14 C -0.182 4.182 15 C 0.089 3.911 16 N -0.489 5.489 17 C 0.114 3.886 18 C 0.521 3.479 19 O -0.572 6.572 20 C -0.131 4.131 21 C -0.030 4.030 22 H 0.086 0.914 23 C -0.116 4.116 24 C -0.117 4.117 25 C -0.080 4.080 26 C -0.076 4.076 27 C -0.125 4.125 28 C -0.127 4.127 29 C -0.123 4.123 30 C -0.116 4.116 31 C -0.062 4.062 32 H 0.266 0.734 33 H 0.035 0.965 34 H 0.038 0.962 35 H 0.090 0.910 36 H 0.083 0.917 37 H 0.138 0.862 38 H 0.129 0.871 39 H 0.149 0.851 40 H 0.157 0.843 41 H 0.089 0.911 42 H 0.107 0.893 43 H 0.085 0.915 44 H 0.062 0.938 45 H 0.063 0.937 46 H 0.062 0.938 47 H 0.074 0.926 48 H 0.068 0.932 49 H 0.116 0.884 50 H 0.117 0.883 51 H 0.119 0.881 52 H 0.123 0.877 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 4.073 -9.882 7.575 13.101 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 N -0.526 5.526 2 C -0.136 4.136 3 Si 0.721 3.279 4 H -0.205 1.205 5 H -0.211 1.211 6 H -0.198 1.198 7 C -0.578 4.578 8 H 0.080 0.920 9 C 0.119 3.881 10 N -0.320 5.320 11 C 0.036 3.964 12 C -0.147 4.147 13 C -0.083 4.083 14 C -0.202 4.202 15 C -0.068 4.068 16 N -0.198 5.198 17 C -0.043 4.043 18 C 0.311 3.689 19 O -0.454 6.454 20 C -0.170 4.170 21 C -0.048 4.048 22 H 0.104 0.896 23 C -0.154 4.154 24 C -0.154 4.154 25 C -0.117 4.117 26 C -0.076 4.076 27 C -0.143 4.143 28 C -0.145 4.145 29 C -0.141 4.141 30 C -0.134 4.134 31 C -0.062 4.062 32 H 0.075 0.925 33 H 0.053 0.947 34 H 0.056 0.944 35 H 0.108 0.892 36 H 0.102 0.898 37 H 0.156 0.844 38 H 0.147 0.853 39 H 0.167 0.833 40 H 0.175 0.825 41 H 0.107 0.893 42 H 0.125 0.875 43 H 0.103 0.897 44 H 0.081 0.919 45 H 0.082 0.918 46 H 0.081 0.919 47 H 0.092 0.908 48 H 0.087 0.913 49 H 0.134 0.866 50 H 0.135 0.865 51 H 0.137 0.863 52 H 0.141 0.859 Dipole moment (debyes) X Y Z Total from point charges 3.576 -9.990 7.038 12.733 hybrid contribution 0.766 0.986 0.580 1.376 sum 4.343 -9.004 7.618 12.568 Atomic orbital electron populations 1.69913 1.05987 1.27380 1.49344 1.24919 0.94810 0.99225 0.94636 0.86552 0.79916 0.83081 0.78307 1.20479 1.21061 1.19750 1.21452 0.93576 0.90345 1.52436 0.92030 1.19451 0.87456 0.82507 0.98724 1.48260 1.45596 1.34467 1.03713 1.20119 0.95816 0.93234 0.87200 1.21446 0.98628 0.96003 0.98649 1.21658 0.98615 0.92164 0.95822 1.22103 0.96980 1.00414 1.00674 1.22690 0.95795 0.93555 0.94805 1.67700 1.28968 1.00807 1.22306 1.22813 0.89661 0.98548 0.93305 1.20484 0.80520 0.82112 0.85819 1.90537 1.36322 1.30606 1.87949 1.21799 1.00728 1.03314 0.91187 1.19785 0.94923 1.00351 0.89783 0.89626 1.21660 0.94271 1.01289 0.98156 1.21511 0.99639 0.99447 0.94815 1.20483 0.91295 1.00804 0.99105 1.19600 0.95485 0.99352 0.93158 1.21085 0.94798 1.01079 0.97351 1.20993 0.93901 1.01062 0.98575 1.21051 0.99699 0.99952 0.93399 1.21295 0.94405 0.99769 0.97915 1.19670 0.93154 0.98464 0.94900 0.92458 0.94652 0.94428 0.89187 0.89842 0.84449 0.85315 0.83339 0.82545 0.89316 0.87463 0.89685 0.91941 0.91793 0.91884 0.90782 0.91312 0.86620 0.86533 0.86306 0.85867 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 N -0.89 -23.83 13.29 55.43 0.74 -23.10 16 2 C 0.07 1.73 5.46 -17.82 -0.10 1.63 16 3 Si 0.89 20.11 29.54 -169.99 -5.02 15.09 16 4 H -0.28 -6.24 7.11 56.52 0.40 -5.84 16 5 H -0.28 -6.43 7.11 56.52 0.40 -6.03 16 6 H -0.27 -6.11 7.11 56.52 0.40 -5.71 16 7 C -0.54 -13.31 9.06 -34.44 -0.31 -13.63 16 8 H 0.06 1.54 7.81 -52.49 -0.41 1.13 16 9 C 0.24 5.33 4.89 -5.19 -0.03 5.31 16 10 N -0.59 -11.47 2.44 -176.43 -0.43 -11.90 16 11 C 0.16 2.75 5.56 -5.19 -0.03 2.72 16 12 C -0.14 -2.33 5.48 -104.48 -0.57 -2.90 16 13 C -0.06 -0.84 9.86 -39.28 -0.39 -1.22 16 14 C -0.18 -2.37 10.11 -39.44 -0.40 -2.77 16 15 C 0.09 1.21 11.18 -17.55 -0.20 1.01 16 16 N -0.49 -7.96 10.36 -13.25 -0.14 -8.10 16 17 C 0.11 1.88 10.86 -17.55 -0.19 1.69 16 18 C 0.52 9.88 7.33 -10.99 -0.08 9.80 16 19 O -0.57 -11.12 13.44 5.56 0.07 -11.05 16 20 C -0.13 -2.28 3.30 -27.88 -0.09 -2.38 16 21 C -0.03 -0.46 1.90 -91.94 -0.17 -0.64 16 22 H 0.09 1.37 7.83 -51.93 -0.41 0.96 16 23 C -0.12 -1.73 4.87 -26.74 -0.13 -1.86 16 24 C -0.12 -1.43 5.97 -26.75 -0.16 -1.59 16 25 C -0.08 -0.93 5.68 -28.05 -0.16 -1.09 16 26 C -0.08 -1.03 5.74 -104.61 -0.60 -1.63 16 27 C -0.13 -1.55 9.61 -39.44 -0.38 -1.93 16 28 C -0.13 -1.55 10.05 -39.68 -0.40 -1.95 16 29 C -0.12 -1.61 10.05 -39.69 -0.40 -2.01 16 30 C -0.12 -1.68 9.03 -39.44 -0.36 -2.04 16 31 C -0.06 -0.92 5.43 -104.62 -0.57 -1.48 16 32 H 0.27 6.84 8.31 -40.82 -0.34 6.50 16 33 H 0.04 0.84 8.07 -51.93 -0.42 0.42 16 34 H 0.04 0.89 6.61 -51.93 -0.34 0.54 16 35 H 0.09 1.51 8.02 -51.93 -0.42 1.09 16 36 H 0.08 1.40 7.37 -51.93 -0.38 1.02 16 37 H 0.14 2.05 7.71 -52.49 -0.40 1.64 16 38 H 0.13 1.30 8.06 -52.49 -0.42 0.88 16 39 H 0.15 1.55 8.06 -52.49 -0.42 1.13 16 40 H 0.16 2.53 8.06 -52.48 -0.42 2.10 16 41 H 0.09 1.51 5.69 -51.93 -0.30 1.21 16 42 H 0.11 2.09 7.61 -51.93 -0.40 1.69 16 43 H 0.08 1.39 6.39 -51.93 -0.33 1.06 16 44 H 0.06 0.98 8.07 -51.93 -0.42 0.56 16 45 H 0.06 0.69 8.14 -51.93 -0.42 0.27 16 46 H 0.06 0.77 8.10 -51.93 -0.42 0.35 16 47 H 0.07 0.85 8.14 -51.93 -0.42 0.42 16 48 H 0.07 0.68 8.12 -51.93 -0.42 0.26 16 49 H 0.12 1.17 8.05 -52.48 -0.42 0.74 16 50 H 0.12 1.14 8.06 -52.49 -0.42 0.71 16 51 H 0.12 1.32 8.06 -52.48 -0.42 0.90 16 52 H 0.12 1.74 6.24 -52.49 -0.33 1.41 16 LS Contribution 418.39 15.07 6.31 6.31 Total: -1.00 -28.18 418.39 -12.09 -40.27 By element: Atomic # 1 Polarization: 17.36 SS G_CDS: -7.91 Total: 9.44 kcal Atomic # 6 Polarization: -11.25 SS G_CDS: -5.71 Total: -16.96 kcal Atomic # 7 Polarization: -43.27 SS G_CDS: 0.17 Total: -43.10 kcal Atomic # 8 Polarization: -11.12 SS G_CDS: 0.07 Total: -11.05 kcal Atomic # 14 Polarization: 20.11 SS G_CDS: -5.02 Total: 15.09 kcal Total LS contribution 6.31 Total: 6.31 kcal Total: -28.18 -12.09 -40.27 kcal The number of atoms in the molecule is 52 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. ZINC000264506966.mol2 52 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 43.594 kcal (2) G-P(sol) polarization free energy of solvation -28.180 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 15.414 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -12.091 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.271 kcal (6) G-S(sol) free energy of system = (1) + (5) 3.323 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.19 seconds