Wall clock time and date at job start Sat Apr 11 2020 06:10:16 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 C 1.53006 * 1 3 3 C 1.53001 * 109.47073 * 2 1 4 4 H 1.08999 * 109.47407 * 305.38887 * 3 2 1 5 5 C 1.50701 * 109.46883 * 185.38778 * 3 2 1 6 6 H 1.08004 * 119.99898 * 244.81590 * 5 3 2 7 7 C 1.37870 * 120.00027 * 64.82212 * 5 3 2 8 8 N 1.31522 * 120.00288 * 7.03999 * 7 5 3 9 9 Si 1.86799 * 120.00054 * 187.04120 * 7 5 3 10 10 H 1.48498 * 109.47214 * 84.98960 * 9 7 5 11 11 H 1.48498 * 109.47221 * 204.99428 * 9 7 5 12 12 H 1.48504 * 109.47100 * 324.99155 * 9 7 5 13 13 N 1.46501 * 109.47142 * 65.38653 * 3 2 1 14 14 C 1.34777 * 120.00095 * 274.99681 * 13 3 2 15 15 O 1.21281 * 120.00216 * 0.02562 * 14 13 3 16 16 C 1.50700 * 119.99788 * 179.97438 * 14 13 3 17 17 C 1.52998 * 110.63962 * 61.69116 * 16 14 13 18 18 C 1.55154 * 110.71726 * 185.02607 * 16 14 13 19 19 C 1.54909 * 101.58070 * 153.86972 * 18 16 14 20 20 N 1.47422 * 104.83129 * 322.98701 * 19 18 16 21 21 C 1.34781 * 125.65051 * 204.16269 * 20 19 18 22 22 O 1.21514 * 119.99823 * 179.97438 * 21 20 19 23 23 O 1.34635 * 119.99986 * 359.96213 * 21 20 19 24 24 C 1.45203 * 116.99914 * 179.97438 * 23 21 20 25 25 C 1.52992 * 109.47009 * 60.00094 * 24 23 21 26 26 C 1.52992 * 109.46819 * 180.02562 * 24 23 21 27 27 C 1.52996 * 109.47222 * 300.00216 * 24 23 21 28 28 C 1.47023 * 108.70314 * 24.13087 * 20 19 18 29 29 H 1.08992 * 109.47226 * 179.97438 * 1 2 3 30 30 H 1.09000 * 109.46785 * 300.00442 * 1 2 3 31 31 H 1.09004 * 109.47000 * 59.99477 * 1 2 3 32 32 H 1.09000 * 109.47090 * 120.00031 * 2 1 3 33 33 H 1.09002 * 109.46703 * 240.00326 * 2 1 3 34 34 H 0.96990 * 120.00177 * 179.97438 * 8 7 5 35 35 H 0.96997 * 119.99640 * 94.99604 * 13 3 2 36 36 H 1.09006 * 109.47255 * 60.70099 * 17 16 14 37 37 H 1.08995 * 109.47145 * 180.69819 * 17 16 14 38 38 H 1.08999 * 109.47187 * 300.70029 * 17 16 14 39 39 H 1.09001 * 111.00779 * 271.94016 * 18 16 14 40 40 H 1.09004 * 111.00781 * 35.79717 * 18 16 14 41 41 H 1.09001 * 110.36825 * 204.15359 * 19 18 16 42 42 H 1.08997 * 110.37036 * 81.82610 * 19 18 16 43 43 H 1.09006 * 109.47521 * 59.99952 * 25 24 23 44 44 H 1.08997 * 109.47275 * 179.97438 * 25 24 23 45 45 H 1.08997 * 109.47583 * 299.99783 * 25 24 23 46 46 H 1.09004 * 109.47729 * 60.00389 * 26 24 23 47 47 H 1.09000 * 109.47467 * 180.02562 * 26 24 23 48 48 H 1.09005 * 109.47430 * 299.99719 * 26 24 23 49 49 H 1.09001 * 109.47181 * 59.99854 * 27 24 23 50 50 H 1.09002 * 109.47178 * 179.97438 * 27 24 23 51 51 H 1.09004 * 109.47150 * 300.00254 * 27 24 23 52 52 H 1.09000 * 109.88586 * 239.51945 * 28 20 19 53 53 H 1.09006 * 110.01170 * 118.42988 * 28 20 19 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 1.5301 0.0000 0.0000 3 6 2.0401 1.4425 0.0000 4 1 1.6001 1.9835 -0.8378 5 6 3.5411 1.4446 -0.1334 6 1 4.1545 1.8166 0.6739 7 6 4.1314 0.9716 -1.2861 8 7 3.3872 0.6485 -2.3212 9 14 5.9883 0.7897 -1.3778 10 1 6.3860 -0.5216 -0.8054 11 1 6.4235 0.8635 -2.7956 12 1 6.6315 1.8826 -0.6050 13 7 1.6605 2.0947 1.2557 14 6 0.4439 2.6614 1.3799 15 8 -0.3367 2.6310 0.4522 16 6 0.0533 3.3317 2.6718 17 6 0.9846 4.5078 2.9722 18 6 -1.4262 3.7964 2.6236 19 6 -1.8023 3.7932 4.1264 20 7 -1.0972 2.6274 4.6894 21 6 -1.4544 1.9551 5.8016 22 8 -0.7963 1.0041 6.1744 23 8 -2.5403 2.3374 6.4997 24 6 -2.8658 1.5670 7.6867 25 6 -1.6985 1.6330 8.6734 26 6 -4.1214 2.1457 8.3418 27 6 -3.1207 0.1101 7.2951 28 6 0.0597 2.3189 3.8362 29 1 -0.3633 -1.0276 -0.0005 30 1 -0.3633 0.5139 0.8900 31 1 -0.3633 0.5139 -0.8900 32 1 1.8934 -0.5138 0.8900 33 1 1.8933 -0.5138 -0.8901 34 1 3.8025 0.3161 -3.1323 35 1 2.2847 2.1186 1.9978 36 1 0.9129 5.2423 2.1699 37 1 0.6932 4.9704 3.9152 38 1 2.0112 4.1489 3.0455 39 1 -1.5075 4.7986 2.2027 40 1 -2.0400 3.0891 2.0658 41 1 -2.8796 3.6798 4.2476 42 1 -1.4603 4.7108 4.6050 43 1 -1.5168 2.6710 8.9525 44 1 -1.9429 1.0551 9.5646 45 1 -0.8041 1.2205 8.2065 46 1 -4.9530 2.0983 7.6386 47 1 -4.3656 1.5677 9.2331 48 1 -3.9402 3.1838 8.6208 49 1 -2.2264 -0.3024 6.8280 50 1 -3.3646 -0.4683 8.1862 51 1 -3.9524 0.0631 6.5920 52 1 -0.0272 1.3049 3.4460 53 1 0.9822 2.4179 4.4085 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 ZINC000183907337.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 06:10:16 Heat of formation + Delta-G solvation = -128.430929 kcal Electronic energy + Delta-G solvation = -31748.186621 eV Core-core repulsion = 27619.655179 eV Total energy + Delta-G solvation = -4128.531442 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.76 seconds Orbital eigenvalues (eV) -41.03221 -39.97925 -38.06097 -36.59245 -35.04720 -34.31332 -32.94904 -32.21194 -30.91396 -29.53176 -27.65542 -27.58644 -27.07434 -26.88678 -24.32102 -23.17080 -21.91077 -21.69254 -19.78053 -19.47354 -19.02543 -18.08176 -16.95576 -16.74445 -16.47833 -15.75924 -15.48912 -15.24216 -15.09005 -14.63062 -14.44113 -14.12793 -13.87827 -13.77051 -13.49464 -13.11670 -12.77331 -12.75112 -12.71952 -12.49787 -12.38374 -12.12229 -12.11006 -12.07419 -11.96939 -11.62229 -11.54000 -11.46747 -11.43196 -11.30038 -11.06376 -10.97020 -10.79374 -10.76983 -10.54013 -10.34509 -10.19946 -10.13541 -9.69139 -9.10172 -8.99512 -8.81472 -8.49949 -7.86855 -6.14984 -4.21432 1.93170 2.75905 3.24611 3.28089 3.31818 3.33005 3.70234 3.99896 4.31261 4.35459 4.48206 4.52343 4.54567 4.66838 4.89300 5.08340 5.14393 5.18467 5.21075 5.27479 5.29620 5.37423 5.43598 5.44121 5.51840 5.59225 5.63307 5.67982 5.72526 5.75605 5.86531 5.95351 6.03523 6.08291 6.08776 6.15676 6.25005 6.32404 6.35189 6.39671 6.59868 6.99400 7.15655 7.31111 7.36757 7.39945 7.59543 7.70193 7.83509 8.07645 8.24087 8.63497 8.77276 9.08376 9.44930 10.92849 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.018140 B = 0.002598 C = 0.002533 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1543.152388 B =10776.671219 C =11050.689809 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.137 4.137 2 C -0.121 4.121 3 C 0.269 3.731 4 H 0.055 0.945 5 C -0.536 4.536 6 H 0.061 0.939 7 C 0.069 3.931 8 N -0.881 5.881 9 Si 0.898 3.102 10 H -0.278 1.278 11 H -0.286 1.286 12 H -0.274 1.274 13 N -0.703 5.703 14 C 0.518 3.482 15 O -0.541 6.541 16 C -0.098 4.098 17 C -0.134 4.134 18 C -0.107 4.107 19 C 0.103 3.897 20 N -0.601 5.601 21 C 0.667 3.333 22 O -0.566 6.566 23 O -0.362 6.362 24 C 0.136 3.864 25 C -0.183 4.183 26 C -0.140 4.140 27 C -0.184 4.184 28 C 0.141 3.859 29 H 0.023 0.977 30 H 0.039 0.961 31 H 0.051 0.949 32 H 0.034 0.966 33 H 0.082 0.918 34 H 0.265 0.735 35 H 0.388 0.612 36 H 0.068 0.932 37 H 0.063 0.937 38 H 0.067 0.933 39 H 0.091 0.909 40 H 0.092 0.908 41 H 0.081 0.919 42 H 0.071 0.929 43 H 0.058 0.942 44 H 0.069 0.931 45 H 0.088 0.912 46 H 0.066 0.934 47 H 0.079 0.921 48 H 0.066 0.934 49 H 0.088 0.912 50 H 0.069 0.931 51 H 0.059 0.941 52 H 0.078 0.922 53 H 0.079 0.921 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -12.201 5.994 19.380 23.673 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 -0.195 4.195 2 C -0.160 4.160 3 C 0.168 3.832 4 H 0.073 0.927 5 C -0.574 4.574 6 H 0.079 0.921 7 C -0.135 4.135 8 N -0.517 5.517 9 Si 0.725 3.275 10 H -0.204 1.204 11 H -0.212 1.212 12 H -0.199 1.199 13 N -0.350 5.350 14 C 0.301 3.699 15 O -0.419 6.419 16 C -0.102 4.102 17 C -0.192 4.192 18 C -0.146 4.146 19 C -0.019 4.019 20 N -0.342 5.342 21 C 0.423 3.577 22 O -0.455 6.455 23 O -0.277 6.277 24 C 0.099 3.901 25 C -0.240 4.240 26 C -0.197 4.197 27 C -0.241 4.241 28 C 0.019 3.981 29 H 0.042 0.958 30 H 0.058 0.942 31 H 0.070 0.930 32 H 0.053 0.947 33 H 0.101 0.899 34 H 0.074 0.926 35 H 0.220 0.780 36 H 0.087 0.913 37 H 0.082 0.918 38 H 0.086 0.914 39 H 0.109 0.891 40 H 0.110 0.890 41 H 0.100 0.900 42 H 0.089 0.911 43 H 0.078 0.922 44 H 0.088 0.912 45 H 0.107 0.893 46 H 0.085 0.915 47 H 0.098 0.902 48 H 0.085 0.915 49 H 0.107 0.893 50 H 0.088 0.912 51 H 0.079 0.921 52 H 0.096 0.904 53 H 0.097 0.903 Dipole moment (debyes) X Y Z Total from point charges -12.590 5.520 18.744 23.244 hybrid contribution 1.348 -0.227 0.308 1.402 sum -11.242 5.293 19.051 22.745 Atomic orbital electron populations 1.21836 0.98121 0.98169 1.01338 1.21862 0.92875 0.99893 1.01389 1.18806 0.94448 0.88990 0.80990 0.92676 1.21176 0.90609 1.43530 1.02102 0.92107 1.24880 0.98427 0.95084 0.95115 1.69963 1.35398 1.43100 1.03283 0.86527 0.85070 0.78656 0.77240 1.20438 1.21183 1.19918 1.46507 1.14403 1.55569 1.18554 1.19767 0.82941 0.79189 0.87982 1.90679 1.51070 1.59624 1.40529 1.21941 0.97862 0.96517 0.93850 1.21799 0.98758 0.96496 1.02131 1.22738 0.93853 1.03582 0.94389 1.22429 0.97642 0.88046 0.93788 1.47084 1.30276 1.32527 1.24295 1.17441 0.79766 0.80851 0.79684 1.90915 1.55714 1.29156 1.69710 1.86296 1.43960 1.57968 1.39470 1.22062 0.95475 0.90927 0.81659 1.22514 0.99828 1.02602 0.99088 1.21849 0.95488 1.01878 1.00458 1.22524 1.04126 0.94883 1.02614 1.21922 0.87612 0.99082 0.89465 0.95807 0.94179 0.93012 0.94736 0.89906 0.92554 0.77985 0.91294 0.91782 0.91385 0.89058 0.88982 0.90036 0.91059 0.92245 0.91199 0.89297 0.91468 0.90184 0.91527 0.89282 0.91189 0.92146 0.90410 0.90270 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 -0.14 -3.01 8.52 37.16 0.32 -2.69 16 2 C -0.12 -2.87 5.49 -26.73 -0.15 -3.02 16 3 C 0.27 6.55 2.11 -69.08 -0.15 6.40 16 4 H 0.06 1.57 7.55 -51.93 -0.39 1.18 16 5 C -0.54 -13.81 8.67 -34.44 -0.30 -14.11 16 6 H 0.06 1.50 7.73 -52.48 -0.41 1.09 16 7 C 0.07 1.82 5.19 -17.82 -0.09 1.73 16 8 N -0.88 -24.58 12.00 55.43 0.67 -23.91 16 9 Si 0.90 20.43 29.54 -169.99 -5.02 15.40 16 10 H -0.28 -6.30 7.11 56.52 0.40 -5.90 16 11 H -0.29 -6.53 7.11 56.52 0.40 -6.13 16 12 H -0.27 -6.13 7.11 56.52 0.40 -5.73 16 13 N -0.70 -13.76 4.91 -54.93 -0.27 -14.03 16 14 C 0.52 9.45 4.97 -10.99 -0.05 9.40 16 15 O -0.54 -11.75 12.90 5.56 0.07 -11.68 16 16 C -0.10 -1.31 0.75 -153.83 -0.12 -1.42 16 17 C -0.13 -1.49 8.35 37.16 0.31 -1.18 16 18 C -0.11 -1.28 5.63 -24.58 -0.14 -1.42 16 19 C 0.10 1.07 6.61 -2.53 -0.02 1.06 16 20 N -0.60 -7.78 3.33 -176.30 -0.59 -8.36 16 21 C 0.67 9.41 7.93 54.06 0.43 9.84 16 22 O -0.57 -9.16 12.21 -19.28 -0.24 -9.40 16 23 O -0.36 -4.43 9.42 -40.31 -0.38 -4.81 16 24 C 0.14 1.35 1.13 -90.63 -0.10 1.24 16 25 C -0.18 -1.76 8.37 37.15 0.31 -1.45 16 26 C -0.14 -0.97 8.85 37.15 0.33 -0.64 16 27 C -0.18 -1.86 8.37 37.16 0.31 -1.55 16 28 C 0.14 1.90 5.98 -3.06 -0.02 1.89 16 29 H 0.02 0.46 8.14 -51.93 -0.42 0.04 16 30 H 0.04 0.85 5.64 -51.93 -0.29 0.56 16 31 H 0.05 1.21 7.87 -51.93 -0.41 0.80 16 32 H 0.03 0.78 8.14 -51.93 -0.42 0.36 16 33 H 0.08 2.17 6.64 -51.93 -0.34 1.83 16 34 H 0.26 7.04 8.31 -40.82 -0.34 6.70 16 35 H 0.39 6.69 8.13 -40.82 -0.33 6.36 16 36 H 0.07 0.78 8.14 -51.93 -0.42 0.36 16 37 H 0.06 0.59 7.52 -51.93 -0.39 0.20 16 38 H 0.07 0.75 7.77 -51.93 -0.40 0.35 16 39 H 0.09 0.95 8.04 -51.93 -0.42 0.53 16 40 H 0.09 1.28 7.49 -51.93 -0.39 0.89 16 41 H 0.08 0.78 8.04 -51.93 -0.42 0.37 16 42 H 0.07 0.62 7.77 -51.93 -0.40 0.22 16 43 H 0.06 0.53 8.14 -51.93 -0.42 0.11 16 44 H 0.07 0.53 8.14 -51.93 -0.42 0.10 16 45 H 0.09 1.09 5.88 -51.93 -0.31 0.78 16 46 H 0.07 0.46 8.14 -51.93 -0.42 0.03 16 47 H 0.08 0.41 8.14 -51.93 -0.42 -0.01 16 48 H 0.07 0.44 8.14 -51.93 -0.42 0.01 16 49 H 0.09 1.15 5.88 -51.93 -0.31 0.84 16 50 H 0.07 0.56 8.14 -51.93 -0.42 0.13 16 51 H 0.06 0.59 8.14 -51.93 -0.42 0.17 16 52 H 0.08 1.21 7.81 -51.93 -0.41 0.81 16 53 H 0.08 1.00 7.84 -51.93 -0.41 0.59 16 LS Contribution 409.90 15.07 6.18 6.18 Total: -1.00 -30.79 409.90 -8.09 -38.88 By element: Atomic # 1 Polarization: 17.04 SS G_CDS: -9.38 Total: 7.66 kcal Atomic # 6 Polarization: 3.20 SS G_CDS: 0.88 Total: 4.08 kcal Atomic # 7 Polarization: -46.12 SS G_CDS: -0.19 Total: -46.31 kcal Atomic # 8 Polarization: -25.34 SS G_CDS: -0.54 Total: -25.88 kcal Atomic # 14 Polarization: 20.43 SS G_CDS: -5.02 Total: 15.40 kcal Total LS contribution 6.18 Total: 6.18 kcal Total: -30.79 -8.09 -38.88 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. ZINC000183907337.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 -89.554 kcal (2) G-P(sol) polarization free energy of solvation -30.791 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -120.345 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.086 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.877 kcal (6) G-S(sol) free energy of system = (1) + (5) -128.431 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.76 seconds