Wall clock time and date at job start Sat Apr 11 2020 06:13:47 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 1.52996 * 1 3 3 C 1.53001 * 109.47375 * 2 1 4 4 C 1.52996 * 109.47375 * 180.02562 * 3 2 1 5 5 H 1.09005 * 109.47109 * 304.99570 * 4 3 2 6 6 N 1.46496 * 109.47640 * 64.99424 * 4 3 2 7 7 C 1.34777 * 119.99614 * 59.99767 * 6 4 3 8 8 N 1.34784 * 119.99964 * 180.02562 * 7 6 4 9 9 O 1.21588 * 120.00178 * 0.02562 * 7 6 4 10 10 C 1.50703 * 109.47257 * 184.99959 * 4 3 2 11 11 O 1.21278 * 119.99864 * 259.99820 * 10 4 3 12 12 N 1.34771 * 120.00112 * 79.99303 * 10 4 3 13 13 C 1.46926 * 120.63202 * 359.72181 * 12 10 4 14 14 C 1.52757 * 109.01187 * 233.57960 * 13 12 10 15 15 C 1.53035 * 109.38595 * 305.59172 * 14 13 12 16 16 C 1.53001 * 109.46337 * 181.25598 * 15 14 13 17 17 C 1.53004 * 109.46715 * 64.93038 * 16 15 14 18 18 N 1.46497 * 109.46821 * 180.02562 * 17 16 15 19 19 C 1.36942 * 120.00104 * 180.02562 * 18 17 16 20 20 H 1.08003 * 119.99661 * 359.97438 * 19 18 17 21 21 C 1.38816 * 120.00082 * 180.02562 * 19 18 17 22 22 N 1.31619 * 120.00003 * 359.97438 * 21 19 18 23 23 Si 1.86803 * 119.99700 * 179.97438 * 21 19 18 24 24 H 1.48500 * 109.46781 * 89.99968 * 23 21 19 25 25 H 1.48499 * 109.46719 * 209.99645 * 23 21 19 26 26 H 1.48501 * 109.46968 * 330.00141 * 23 21 19 27 27 C 1.53045 * 109.53702 * 61.23516 * 15 14 13 28 28 C 1.46928 * 120.63081 * 180.02562 * 12 10 4 29 29 H 1.09008 * 109.46932 * 60.00753 * 1 2 3 30 30 H 1.08996 * 109.47239 * 179.97438 * 1 2 3 31 31 H 1.09001 * 109.47538 * 300.00583 * 1 2 3 32 32 H 1.09001 * 109.47538 * 239.99417 * 2 1 3 33 33 H 1.09004 * 109.47191 * 119.99682 * 2 1 3 34 34 H 1.09001 * 109.47263 * 59.99248 * 3 2 1 35 35 H 1.09004 * 109.46701 * 299.99982 * 3 2 1 36 36 H 0.96996 * 120.00499 * 240.00344 * 6 4 3 37 37 H 0.97000 * 119.99339 * 0.02562 * 8 7 6 38 38 H 0.96995 * 120.00015 * 179.72857 * 8 7 6 39 39 H 1.08999 * 109.58891 * 353.42047 * 13 12 10 40 40 H 1.09004 * 109.58390 * 113.84020 * 13 12 10 41 41 H 1.08999 * 109.56909 * 185.55073 * 14 13 12 42 42 H 1.09005 * 109.35564 * 65.50338 * 14 13 12 43 43 H 1.09003 * 109.45918 * 301.21877 * 15 14 13 44 44 H 1.08994 * 109.47044 * 184.93037 * 16 15 14 45 45 H 1.08996 * 109.46845 * 304.93494 * 16 15 14 46 46 H 1.08998 * 109.46931 * 300.00047 * 17 16 15 47 47 H 1.08996 * 109.47092 * 60.00607 * 17 16 15 48 48 H 0.97005 * 120.00598 * 0.02562 * 18 17 16 49 49 H 0.96994 * 119.99784 * 180.02562 * 22 21 19 50 50 H 1.09007 * 109.49596 * 178.68107 * 27 15 14 51 51 H 1.09004 * 109.52365 * 58.60668 * 27 15 14 52 52 H 1.08998 * 109.58595 * 246.15656 * 28 12 10 53 53 H 1.08998 * 109.58366 * 6.43902 * 28 12 10 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 2.0400 1.4425 0.0000 4 6 3.5700 1.4425 -0.0006 5 1 3.9337 0.8529 0.8410 6 7 4.0579 0.8589 -1.2526 7 6 3.7318 1.4243 -2.4318 8 7 4.1802 0.8871 -3.5837 9 8 3.0331 2.4191 -2.4564 10 6 4.0724 2.8579 0.1232 11 8 4.4461 3.4571 -0.8628 12 7 4.1063 3.4578 1.3295 13 6 3.6512 2.7470 2.5322 14 6 2.6024 3.5978 3.2461 15 6 3.1770 4.9899 3.5180 16 6 2.1392 5.8336 4.2609 17 6 1.8796 5.2245 5.6403 18 7 0.8854 6.0320 6.3514 19 6 0.4923 5.6779 7.6144 20 1 0.9149 4.8031 8.0861 21 6 -0.4502 6.4428 8.2880 22 7 -0.9656 7.5086 7.7129 23 14 -0.9870 5.9592 10.0107 24 1 -0.1047 6.6179 11.0072 25 1 -2.3908 6.3904 10.2310 26 1 -0.8920 4.4851 10.1633 27 6 3.5289 5.6665 2.1911 28 6 4.5930 4.8374 1.4661 29 1 -0.3633 0.5138 -0.8901 30 1 -0.3633 -1.0276 -0.0005 31 1 -0.3634 0.5139 0.8899 32 1 1.8934 -0.5139 -0.8899 33 1 1.8933 -0.5138 0.8900 34 1 1.6766 1.9564 0.8899 35 1 1.6767 1.9563 -0.8900 36 1 4.6155 0.0655 -1.2330 37 1 4.7373 0.0933 -3.5640 38 1 3.9423 1.2918 -4.4325 39 1 3.2120 1.7910 2.2473 40 1 4.4968 2.5787 3.1991 41 1 2.3303 3.1258 4.1901 42 1 1.7182 3.6862 2.6148 43 1 4.0753 4.8990 4.1287 44 1 2.5137 6.8506 4.3774 45 1 1.2102 5.8515 3.6910 46 1 1.5052 4.2076 5.5237 47 1 2.8086 5.2067 6.2102 48 1 0.5055 6.8176 5.9276 49 1 -1.6238 8.0432 8.1838 50 1 3.9163 6.6670 2.3844 51 1 2.6361 5.7359 1.5696 52 1 5.5170 4.8434 2.0442 53 1 4.7773 5.2593 0.4781 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 ZINC001495435260.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 06:13:47 Heat of formation + Delta-G solvation = -70.891751 kcal Electronic energy + Delta-G solvation = -30993.169731 eV Core-core repulsion = 26899.426127 eV Total energy + Delta-G solvation = -4093.743605 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.66 seconds Orbital eigenvalues (eV) -41.00638 -39.53783 -37.75966 -36.16064 -35.25930 -34.06302 -33.49753 -33.18054 -31.54772 -30.94268 -29.29608 -28.24836 -25.55111 -24.43552 -23.37506 -22.90725 -22.15527 -21.29512 -20.67274 -20.20141 -19.01608 -18.84837 -17.52874 -17.10568 -16.87883 -16.22472 -15.53975 -15.49947 -14.89114 -14.75202 -14.61075 -14.44075 -14.29034 -14.08344 -13.96277 -13.75987 -13.59094 -13.32608 -13.18260 -12.81987 -12.61799 -12.46490 -12.18822 -12.10143 -11.57741 -11.37425 -11.28661 -11.20831 -11.11186 -10.99602 -10.96600 -10.75685 -10.58392 -10.31753 -10.25942 -10.15165 -9.94229 -9.88986 -9.75489 -9.64263 -9.06791 -8.83567 -8.64943 -6.88203 -5.73797 -3.02228 2.43082 2.62046 2.96060 3.26293 3.44660 3.49243 3.51430 4.16647 4.27956 4.52183 4.59706 4.61483 4.69147 4.82240 4.84467 4.87095 4.96159 5.05768 5.21032 5.26530 5.29778 5.42049 5.45263 5.56202 5.57829 5.65470 5.67790 5.74356 5.79634 5.86208 5.87428 5.89243 5.97067 6.08400 6.08665 6.12906 6.18034 6.24457 6.40867 6.43390 6.44363 6.50087 6.51814 6.72649 6.90908 6.96118 7.32682 7.71516 7.74467 8.15323 8.45500 8.56620 9.56043 10.15996 10.49961 11.49272 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.017298 B = 0.002201 C = 0.002045 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1618.313512 B =12716.963188 C =13689.891237 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C -0.115 4.115 3 C -0.138 4.138 4 C 0.155 3.845 5 H 0.108 0.892 6 N -0.733 5.733 7 C 0.710 3.290 8 N -0.872 5.872 9 O -0.562 6.562 10 C 0.502 3.498 11 O -0.510 6.510 12 N -0.611 5.611 13 C 0.103 3.897 14 C -0.133 4.133 15 C -0.081 4.081 16 C -0.121 4.121 17 C 0.153 3.847 18 N -0.735 5.735 19 C -0.238 4.238 20 H 0.070 0.930 21 C -0.017 4.017 22 N -0.934 5.934 23 Si 0.907 3.093 24 H -0.290 1.290 25 H -0.291 1.291 26 H -0.282 1.282 27 C -0.129 4.129 28 C 0.114 3.886 29 H 0.054 0.946 30 H 0.053 0.947 31 H 0.058 0.942 32 H 0.060 0.940 33 H 0.061 0.939 34 H 0.078 0.922 35 H 0.096 0.904 36 H 0.398 0.602 37 H 0.392 0.608 38 H 0.413 0.587 39 H 0.082 0.918 40 H 0.070 0.930 41 H 0.085 0.915 42 H 0.068 0.932 43 H 0.071 0.929 44 H 0.062 0.938 45 H 0.061 0.939 46 H 0.019 0.981 47 H 0.015 0.985 48 H 0.383 0.617 49 H 0.255 0.745 50 H 0.074 0.926 51 H 0.066 0.934 52 H 0.064 0.936 53 H 0.088 0.912 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 13.435 -19.069 -20.682 31.174 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 -0.211 4.211 2 C -0.153 4.153 3 C -0.177 4.177 4 C 0.045 3.955 5 H 0.126 0.874 6 N -0.390 5.390 7 C 0.408 3.592 8 N -0.440 5.440 9 O -0.436 6.436 10 C 0.287 3.713 11 O -0.384 6.384 12 N -0.347 5.347 13 C -0.020 4.020 14 C -0.171 4.171 15 C -0.100 4.100 16 C -0.159 4.159 17 C 0.026 3.974 18 N -0.379 5.379 19 C -0.369 4.369 20 H 0.088 0.912 21 C -0.212 4.212 22 N -0.583 5.583 23 Si 0.738 3.262 24 H -0.218 1.218 25 H -0.218 1.218 26 H -0.208 1.208 27 C -0.167 4.167 28 C -0.008 4.008 29 H 0.073 0.927 30 H 0.072 0.928 31 H 0.077 0.923 32 H 0.078 0.922 33 H 0.079 0.921 34 H 0.097 0.903 35 H 0.114 0.886 36 H 0.231 0.769 37 H 0.219 0.781 38 H 0.245 0.755 39 H 0.100 0.900 40 H 0.088 0.912 41 H 0.103 0.897 42 H 0.086 0.914 43 H 0.089 0.911 44 H 0.081 0.919 45 H 0.080 0.920 46 H 0.037 0.963 47 H 0.033 0.967 48 H 0.216 0.784 49 H 0.065 0.935 50 H 0.093 0.907 51 H 0.085 0.915 52 H 0.083 0.917 53 H 0.107 0.893 Dipole moment (debyes) X Y Z Total from point charges 13.003 -17.962 -20.929 30.492 hybrid contribution -0.002 -0.528 0.689 0.868 sum 13.001 -18.491 -20.240 30.341 Atomic orbital electron populations 1.21755 0.95447 1.01572 1.02278 1.21447 0.96298 0.95879 1.01674 1.22094 0.91932 0.98432 1.05244 1.20749 0.96119 0.92333 0.86312 0.87426 1.44700 1.57418 1.32671 1.04235 1.15848 0.80384 0.82434 0.80513 1.42975 1.58773 1.34537 1.07755 1.90981 1.41566 1.25283 1.85787 1.20851 0.78664 0.88998 0.82758 1.90740 1.46409 1.65311 1.35926 1.48131 1.64662 1.14920 1.06993 1.21797 0.98061 0.95550 0.86549 1.21985 0.97976 0.95990 1.01165 1.21063 0.98955 0.94469 0.95493 1.21762 0.98273 0.99071 0.96796 1.20693 0.92352 0.94175 0.90191 1.42403 1.47900 1.31542 1.16065 1.19236 1.18014 1.08059 0.91622 0.91245 1.24760 0.99940 0.97813 0.98718 1.69662 1.32889 1.18062 1.37662 0.86186 0.77718 0.77688 0.84588 1.21758 1.21783 1.20785 1.21974 0.99240 0.98899 0.96611 1.21564 0.96344 0.81067 1.01817 0.92723 0.92776 0.92320 0.92171 0.92076 0.90319 0.88586 0.76856 0.78085 0.75522 0.89976 0.91178 0.89657 0.91374 0.91052 0.91946 0.92031 0.96312 0.96692 0.78351 0.93541 0.90692 0.91485 0.91744 0.89344 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 -1.19 9.91 37.16 0.37 -0.82 16 2 C -0.12 -0.82 5.82 -26.73 -0.16 -0.98 16 3 C -0.14 -1.29 4.21 -26.73 -0.11 -1.40 16 4 C 0.15 1.34 2.15 -69.09 -0.15 1.19 16 5 H 0.11 0.60 6.81 -51.93 -0.35 0.24 16 6 N -0.73 -5.63 4.66 -59.81 -0.28 -5.91 16 7 C 0.71 7.57 7.59 -86.91 -0.66 6.91 16 8 N -0.87 -5.48 8.88 27.64 0.25 -5.23 16 9 O -0.56 -8.91 13.03 -18.20 -0.24 -9.15 16 10 C 0.50 6.22 6.69 -10.99 -0.07 6.15 16 11 O -0.51 -8.49 13.09 -17.93 -0.23 -8.72 16 12 N -0.61 -6.66 2.98 -173.06 -0.52 -7.17 16 13 C 0.10 0.89 5.73 -3.93 -0.02 0.87 16 14 C -0.13 -1.45 5.13 -26.84 -0.14 -1.58 16 15 C -0.08 -0.99 2.15 -90.58 -0.19 -1.18 16 16 C -0.12 -1.93 4.80 -26.73 -0.13 -2.06 16 17 C 0.15 3.04 6.02 -4.04 -0.02 3.01 16 18 N -0.74 -18.98 5.60 -59.91 -0.34 -19.31 16 19 C -0.24 -6.76 9.99 -15.06 -0.15 -6.91 16 20 H 0.07 1.90 7.83 -52.48 -0.41 1.49 16 21 C -0.02 -0.48 5.50 -17.43 -0.10 -0.58 16 22 N -0.93 -28.71 13.06 55.49 0.72 -27.98 16 23 Si 0.91 22.57 29.55 -169.99 -5.02 17.55 16 24 H -0.29 -7.18 7.11 56.52 0.40 -6.78 16 25 H -0.29 -7.30 7.11 56.52 0.40 -6.90 16 26 H -0.28 -6.79 7.11 56.52 0.40 -6.39 16 27 C -0.13 -1.50 5.36 -26.63 -0.14 -1.65 16 28 C 0.11 1.29 6.43 -3.73 -0.02 1.27 16 29 H 0.05 0.47 8.14 -51.92 -0.42 0.05 16 30 H 0.05 0.37 8.14 -51.93 -0.42 -0.06 16 31 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 32 H 0.06 0.42 7.75 -51.93 -0.40 0.02 16 33 H 0.06 0.35 8.14 -51.93 -0.42 -0.08 16 34 H 0.08 0.74 6.95 -51.93 -0.36 0.37 16 35 H 0.10 1.24 6.04 -51.93 -0.31 0.92 16 36 H 0.40 1.58 8.84 -40.82 -0.36 1.22 16 37 H 0.39 1.06 8.84 -40.82 -0.36 0.70 16 38 H 0.41 2.43 8.93 -40.82 -0.36 2.06 16 39 H 0.08 0.55 4.82 -51.93 -0.25 0.30 16 40 H 0.07 0.53 8.14 -51.93 -0.42 0.11 16 41 H 0.09 0.95 6.50 -51.93 -0.34 0.61 16 42 H 0.07 0.80 8.14 -51.93 -0.42 0.38 16 43 H 0.07 0.85 8.14 -51.93 -0.42 0.42 16 44 H 0.06 1.03 8.14 -51.93 -0.42 0.61 16 45 H 0.06 1.03 8.14 -51.93 -0.42 0.61 16 46 H 0.02 0.37 6.53 -51.93 -0.34 0.03 16 47 H 0.02 0.30 8.14 -51.93 -0.42 -0.12 16 48 H 0.38 10.44 7.67 -40.82 -0.31 10.13 16 49 H 0.25 7.55 8.31 -40.82 -0.34 7.22 16 50 H 0.07 0.83 8.14 -51.92 -0.42 0.41 16 51 H 0.07 0.87 8.14 -51.93 -0.42 0.45 16 52 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 53 H 0.09 1.15 7.00 -51.93 -0.36 0.79 16 LS Contribution 408.33 15.07 6.15 6.15 Total: -1.00 -38.06 408.33 -10.37 -48.43 By element: Atomic # 1 Polarization: 18.26 SS G_CDS: -9.16 Total: 9.10 kcal Atomic # 6 Polarization: 3.95 SS G_CDS: -1.70 Total: 2.25 kcal Atomic # 7 Polarization: -65.45 SS G_CDS: -0.16 Total: -65.61 kcal Atomic # 8 Polarization: -17.40 SS G_CDS: -0.47 Total: -17.88 kcal Atomic # 14 Polarization: 22.57 SS G_CDS: -5.02 Total: 17.55 kcal Total LS contribution 6.15 Total: 6.15 kcal Total: -38.06 -10.37 -48.43 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. ZINC001495435260.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 -22.461 kcal (2) G-P(sol) polarization free energy of solvation -38.064 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -60.524 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.367 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -48.431 kcal (6) G-S(sol) free energy of system = (1) + (5) -70.892 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.66 seconds