Wall clock time and date at job start Wed Apr 1 2020 02:05:18 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 1.53004 * 1 3 3 C 1.53000 * 109.46889 * 2 1 4 4 F 1.39902 * 109.46973 * 240.00611 * 2 1 3 5 5 C 1.50690 * 109.47461 * 120.00279 * 2 1 3 6 6 O 1.21286 * 119.99911 * 249.99949 * 5 2 1 7 7 N 1.34783 * 120.00261 * 69.99822 * 5 2 1 8 8 C 1.46923 * 120.62923 * 179.97438 * 7 5 2 9 9 C 1.53196 * 108.77351 * 233.63020 * 8 7 5 10 10 C 1.53038 * 109.31174 * 305.36629 * 9 8 7 11 11 C 1.53001 * 109.45995 * 181.38407 * 10 9 8 12 12 H 1.09002 * 109.48301 * 300.00196 * 11 10 9 13 13 C 1.53093 * 109.48321 * 179.97438 * 11 10 9 14 14 C 1.53178 * 109.16373 * 182.40028 * 13 11 10 15 15 H 1.08997 * 109.54056 * 297.02111 * 14 13 11 16 16 N 1.46498 * 109.54151 * 176.84819 * 14 13 11 17 17 C 1.36943 * 119.99727 * 155.17693 * 16 14 13 18 18 H 1.07998 * 120.00392 * 359.97438 * 17 16 14 19 19 C 1.38811 * 119.99586 * 179.97438 * 17 16 14 20 20 N 1.31618 * 120.00460 * 0.02562 * 19 17 16 21 21 Si 1.86798 * 119.99694 * 179.97438 * 19 17 16 22 22 H 1.48506 * 109.47297 * 179.97438 * 21 19 17 23 23 H 1.48503 * 109.47261 * 60.00129 * 21 19 17 24 24 H 1.48500 * 109.47454 * 300.00122 * 21 19 17 25 25 C 1.53178 * 109.11069 * 56.93509 * 14 13 11 26 26 C 1.53099 * 109.15641 * 303.15102 * 25 14 13 27 27 O 1.42902 * 109.48802 * 60.02490 * 11 10 9 28 28 C 1.53045 * 109.52498 * 61.37705 * 10 9 8 29 29 C 1.46920 * 120.62544 * 0.02562 * 7 5 2 30 30 H 1.08998 * 109.46498 * 299.99759 * 1 2 3 31 31 H 1.08994 * 109.47022 * 59.99843 * 1 2 3 32 32 H 1.08999 * 109.46953 * 179.97438 * 1 2 3 33 33 H 1.09005 * 109.47109 * 179.97438 * 3 2 1 34 34 H 1.09003 * 109.47638 * 300.00119 * 3 2 1 35 35 H 1.08998 * 109.47354 * 60.00765 * 3 2 1 36 36 H 1.09005 * 109.58272 * 113.84747 * 8 7 5 37 37 H 1.08997 * 109.58967 * 353.42047 * 8 7 5 38 38 H 1.09002 * 109.49774 * 185.41761 * 9 8 7 39 39 H 1.08999 * 109.49646 * 65.32085 * 9 8 7 40 40 H 1.09001 * 109.46412 * 301.35833 * 10 9 8 41 41 H 1.08996 * 109.52059 * 62.49057 * 13 11 10 42 42 H 1.09002 * 109.57345 * 302.33753 * 13 11 10 43 43 H 0.96998 * 120.00095 * 335.17152 * 16 14 13 44 44 H 0.97001 * 119.99952 * 359.97438 * 20 19 17 45 45 H 1.08998 * 109.52100 * 62.96721 * 25 14 13 46 46 H 1.09000 * 109.52137 * 183.16122 * 25 14 13 47 47 H 1.08999 * 109.40898 * 297.49349 * 26 25 14 48 48 H 1.09004 * 109.49285 * 177.50477 * 26 25 14 49 49 H 1.08994 * 109.50141 * 58.57699 * 28 10 9 50 50 H 1.09003 * 109.49385 * 178.67610 * 28 10 9 51 51 H 1.08998 * 109.58717 * 246.15327 * 29 7 5 52 52 H 1.09004 * 109.59043 * 6.58286 * 29 7 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 6 1.5300 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 9 1.9963 -0.6594 -1.1424 5 6 2.0324 -0.7104 1.2303 6 8 2.5733 -0.0816 2.1153 7 7 1.8807 -2.0445 1.3474 8 6 2.3658 -2.7512 2.5407 9 6 3.2824 -3.8958 2.0972 10 6 2.5357 -4.7850 1.1003 11 6 3.4361 -5.9489 0.6814 12 1 4.3404 -5.5590 0.2141 13 6 2.6893 -6.8391 -0.3154 14 6 3.5744 -8.0338 -0.6838 15 1 4.4762 -7.6793 -1.1828 16 7 2.8393 -8.9306 -1.5791 17 6 3.5214 -9.7564 -2.4323 18 1 4.6013 -9.7463 -2.4455 19 6 2.8249 -10.6065 -3.2803 20 7 1.5088 -10.6185 -3.2646 21 14 3.7554 -11.7324 -4.4447 22 1 2.7881 -12.5341 -5.2365 23 1 4.6278 -12.6433 -3.6608 24 1 4.5899 -10.9155 -5.3619 25 6 3.9579 -8.7866 0.5939 26 6 4.6538 -7.8206 1.5565 27 8 3.7885 -6.7175 1.8334 28 6 2.1572 -3.9634 -0.1342 29 6 1.2281 -2.8198 0.2836 30 1 -0.3632 0.5138 0.8900 31 1 -0.3633 0.5138 -0.8899 32 1 -0.3633 -1.0277 -0.0005 33 1 3.1300 1.4426 0.0005 34 1 1.6766 1.9564 -0.8900 35 1 1.6768 1.9563 0.8900 36 1 1.5190 -3.1552 3.0955 37 1 2.9236 -2.0605 3.1730 38 1 3.5723 -4.4871 2.9658 39 1 4.1734 -3.4852 1.6222 40 1 1.6317 -5.1752 1.5679 41 1 2.4584 -6.2661 -1.2134 42 1 1.7640 -7.1967 0.1363 43 1 1.8694 -8.9395 -1.5674 44 1 1.0256 -10.0335 -2.6602 45 1 3.0595 -9.1848 1.0656 46 1 4.6334 -9.6052 0.3455 47 1 5.5740 -7.4552 1.1006 48 1 4.8896 -8.3398 2.4855 49 1 3.0589 -3.5522 -0.5880 50 1 1.6461 -4.6027 -0.8540 51 1 0.2884 -3.2294 0.6540 52 1 1.0352 -2.1743 -0.5733 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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 ZINC001075384612.mol2 52 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 02:05:18 Heat of formation + Delta-G solvation = -128.898530 kcal Electronic energy + Delta-G solvation = -31682.991156 eV Core-core repulsion = 27403.667655 eV Total energy + Delta-G solvation = -4279.323502 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 342.211 amu Computer time = 0.90 seconds Orbital eigenvalues (eV) -48.45441 -40.57101 -39.42407 -37.60954 -35.27425 -34.27256 -33.80693 -32.42414 -31.37241 -30.05406 -28.99675 -27.96156 -26.32404 -24.40731 -23.69143 -23.40328 -22.65879 -21.67372 -20.52032 -19.88252 -19.34404 -17.93676 -17.33936 -16.86237 -16.38680 -16.04176 -15.89839 -15.59401 -15.10023 -14.86761 -14.67534 -14.33301 -14.14953 -13.89051 -13.85841 -13.68192 -13.53048 -13.48489 -13.11497 -12.93943 -12.84899 -12.70864 -12.55380 -12.47209 -12.36631 -12.19569 -11.61541 -11.47535 -11.36939 -11.10299 -10.94598 -10.86851 -10.72848 -10.66282 -10.53462 -10.23404 -10.04874 -9.97381 -9.89843 -9.41237 -9.08334 -8.95915 -8.90598 -7.07263 -6.13180 -3.13210 2.06845 2.51463 3.49361 3.52652 3.70147 3.70251 3.84772 3.95948 4.15336 4.29124 4.49996 4.54785 4.66923 4.79927 4.83464 4.99229 5.03515 5.06915 5.11794 5.18122 5.21545 5.26572 5.27707 5.38652 5.41048 5.44218 5.50721 5.51198 5.52476 5.60941 5.64177 5.67472 5.70976 5.73150 5.81791 5.87680 5.93618 5.96834 6.16674 6.19526 6.25635 6.30493 6.32834 6.51801 6.73363 6.95977 6.96543 7.46191 7.65651 7.77296 8.72636 9.19428 10.05814 10.21099 11.35205 Molecular weight = 342.21amu Principal moments of inertia in cm(-1) A = 0.016092 B = 0.002463 C = 0.002229 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1739.540365 B =11366.671630 C =12556.203100 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.178 4.178 2 C 0.102 3.898 3 C -0.157 4.157 4 F -0.189 7.189 5 C 0.502 3.498 6 O -0.529 6.529 7 N -0.598 5.598 8 C 0.109 3.891 9 C -0.124 4.124 10 C -0.077 4.077 11 C 0.102 3.898 12 H 0.054 0.946 13 C -0.154 4.154 14 C 0.183 3.817 15 H 0.046 0.954 16 N -0.734 5.734 17 C -0.331 4.331 18 H 0.063 0.937 19 C -0.045 4.045 20 N -0.944 5.944 21 Si 1.079 2.921 22 H -0.285 1.285 23 H -0.295 1.295 24 H -0.295 1.295 25 C -0.171 4.171 26 C 0.065 3.935 27 O -0.383 6.383 28 C -0.130 4.130 29 C 0.089 3.911 30 H 0.082 0.918 31 H 0.083 0.917 32 H 0.078 0.922 33 H 0.073 0.927 34 H 0.076 0.924 35 H 0.084 0.916 36 H 0.071 0.929 37 H 0.092 0.908 38 H 0.086 0.914 39 H 0.064 0.936 40 H 0.080 0.920 41 H 0.073 0.927 42 H 0.066 0.934 43 H 0.367 0.633 44 H 0.255 0.745 45 H 0.062 0.938 46 H 0.069 0.931 47 H 0.043 0.957 48 H 0.085 0.915 49 H 0.071 0.929 50 H 0.087 0.913 51 H 0.072 0.928 52 H 0.105 0.895 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -1.122 22.012 10.215 24.292 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 -0.235 4.235 2 C 0.080 3.920 3 C -0.215 4.215 4 F -0.170 7.170 5 C 0.287 3.713 6 O -0.406 6.406 7 N -0.330 5.330 8 C -0.013 4.013 9 C -0.162 4.162 10 C -0.096 4.096 11 C 0.044 3.956 12 H 0.072 0.928 13 C -0.193 4.193 14 C 0.073 3.927 15 H 0.064 0.936 16 N -0.376 5.376 17 C -0.462 4.462 18 H 0.081 0.919 19 C -0.243 4.243 20 N -0.589 5.589 21 Si 0.910 3.090 22 H -0.210 1.210 23 H -0.223 1.223 24 H -0.223 1.223 25 C -0.212 4.212 26 C -0.012 4.012 27 O -0.302 6.302 28 C -0.168 4.168 29 C -0.034 4.034 30 H 0.101 0.899 31 H 0.102 0.898 32 H 0.097 0.903 33 H 0.092 0.908 34 H 0.095 0.905 35 H 0.103 0.897 36 H 0.089 0.911 37 H 0.110 0.890 38 H 0.105 0.895 39 H 0.083 0.917 40 H 0.098 0.902 41 H 0.091 0.909 42 H 0.085 0.915 43 H 0.200 0.800 44 H 0.066 0.934 45 H 0.081 0.919 46 H 0.088 0.912 47 H 0.061 0.939 48 H 0.103 0.897 49 H 0.090 0.910 50 H 0.105 0.895 51 H 0.091 0.909 52 H 0.123 0.877 Dipole moment (debyes) X Y Z Total from point charges -0.827 21.175 9.617 23.271 hybrid contribution 0.097 0.714 0.817 1.089 sum -0.730 21.889 10.434 24.260 Atomic orbital electron populations 1.22520 0.91387 1.04761 1.04875 1.21184 0.96513 0.93556 0.80713 1.22165 1.03193 0.92113 1.04012 1.92858 1.90179 1.82070 1.51877 1.20806 0.79439 0.82481 0.88541 1.90713 1.42668 1.65483 1.41726 1.48161 1.58016 1.06281 1.20585 1.21732 0.98340 0.94467 0.86722 1.21901 0.98150 0.95818 1.00373 1.21116 0.98857 0.93749 0.95851 1.22003 0.96556 0.90576 0.86447 0.92800 1.22549 0.99997 0.97733 0.98982 1.20136 0.94142 0.88932 0.89474 0.93618 1.42422 1.04756 1.46167 1.44245 1.20029 0.91975 1.17761 1.16433 0.91859 1.25766 0.97026 1.00603 1.00858 1.70884 1.06113 1.41440 1.40451 0.83256 0.74248 0.75780 0.75742 1.21000 1.22286 1.22257 1.22908 1.01137 0.99282 0.97829 1.22572 0.91945 0.87256 0.99403 1.87809 1.68019 1.42438 1.31941 1.21975 1.00526 0.96499 0.97810 1.22264 0.95670 0.94466 0.90964 0.89920 0.89762 0.90347 0.90771 0.90538 0.89729 0.91096 0.88958 0.89505 0.91683 0.90176 0.90887 0.91495 0.80019 0.93396 0.91934 0.91206 0.93854 0.89656 0.90997 0.89456 0.90933 0.87714 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -0.18 -1.07 8.60 37.16 0.32 -0.75 16 2 C 0.10 0.88 1.20 -91.77 -0.11 0.76 16 3 C -0.16 -1.18 8.28 37.16 0.31 -0.87 16 4 F -0.19 -1.88 14.33 2.25 0.03 -1.85 16 5 C 0.50 5.53 6.77 -10.99 -0.07 5.46 16 6 O -0.53 -7.29 15.39 5.55 0.09 -7.20 16 7 N -0.60 -6.01 2.97 -172.80 -0.51 -6.53 16 8 C 0.11 1.08 6.43 -3.71 -0.02 1.05 16 9 C -0.12 -1.30 5.23 -26.61 -0.14 -1.44 16 10 C -0.08 -0.86 1.95 -90.58 -0.18 -1.03 16 11 C 0.10 1.40 2.22 -26.68 -0.06 1.34 16 12 H 0.05 0.75 8.14 -51.93 -0.42 0.33 16 13 C -0.15 -2.48 4.47 -26.59 -0.12 -2.60 16 14 C 0.18 3.63 2.86 -67.75 -0.19 3.44 16 15 H 0.05 0.95 8.08 -51.93 -0.42 0.53 16 16 N -0.73 -18.23 5.13 -53.25 -0.27 -18.50 16 17 C -0.33 -9.24 9.93 -15.06 -0.15 -9.39 16 18 H 0.06 1.75 7.83 -52.49 -0.41 1.33 16 19 C -0.04 -1.30 5.50 -17.43 -0.10 -1.40 16 20 N -0.94 -29.05 13.70 55.49 0.76 -28.29 16 21 Si 1.08 25.83 29.92 -169.99 -5.09 20.74 16 22 H -0.28 -6.92 7.11 56.52 0.40 -6.52 16 23 H -0.30 -6.76 7.11 56.52 0.40 -6.36 16 24 H -0.30 -6.75 7.11 56.52 0.40 -6.35 16 25 C -0.17 -3.09 5.73 -26.59 -0.15 -3.24 16 26 C 0.07 0.96 6.84 37.21 0.25 1.21 16 27 O -0.38 -5.66 9.71 -35.23 -0.34 -6.00 16 28 C -0.13 -1.32 5.04 -26.63 -0.13 -1.46 16 29 C 0.09 0.78 4.88 -3.73 -0.02 0.76 16 30 H 0.08 0.44 8.14 -51.93 -0.42 0.02 16 31 H 0.08 0.39 8.14 -51.93 -0.42 -0.03 16 32 H 0.08 0.45 5.99 -51.93 -0.31 0.14 16 33 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 34 H 0.08 0.43 8.14 -51.93 -0.42 0.01 16 35 H 0.08 0.61 7.99 -51.93 -0.41 0.19 16 36 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 37 H 0.09 0.99 7.00 -51.93 -0.36 0.63 16 38 H 0.09 0.92 7.64 -51.93 -0.40 0.53 16 39 H 0.06 0.73 8.14 -51.93 -0.42 0.31 16 40 H 0.08 0.91 8.14 -51.93 -0.42 0.48 16 41 H 0.07 1.16 6.54 -51.93 -0.34 0.82 16 42 H 0.07 1.11 8.14 -51.93 -0.42 0.69 16 43 H 0.37 9.40 6.63 -40.82 -0.27 9.13 16 44 H 0.25 7.71 6.77 -40.82 -0.28 7.43 16 45 H 0.06 1.19 8.14 -51.93 -0.42 0.77 16 46 H 0.07 1.35 8.14 -51.93 -0.42 0.92 16 47 H 0.04 0.60 8.14 -51.93 -0.42 0.18 16 48 H 0.09 1.10 8.14 -51.93 -0.42 0.68 16 49 H 0.07 0.79 8.14 -51.93 -0.42 0.37 16 50 H 0.09 0.90 6.42 -51.93 -0.33 0.57 16 51 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 52 H 0.10 0.87 3.86 -51.93 -0.20 0.67 16 LS Contribution 395.30 15.07 5.96 5.96 Total: -1.00 -33.00 395.30 -8.82 -41.82 By element: Atomic # 1 Polarization: 16.87 SS G_CDS: -8.87 Total: 7.99 kcal Atomic # 6 Polarization: -7.58 SS G_CDS: -0.56 Total: -8.15 kcal Atomic # 7 Polarization: -53.29 SS G_CDS: -0.03 Total: -53.31 kcal Atomic # 8 Polarization: -12.95 SS G_CDS: -0.26 Total: -13.21 kcal Atomic # 9 Polarization: -1.88 SS G_CDS: 0.03 Total: -1.85 kcal Atomic # 14 Polarization: 25.83 SS G_CDS: -5.09 Total: 20.74 kcal Total LS contribution 5.96 Total: 5.96 kcal Total: -33.00 -8.82 -41.82 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. ZINC001075384612.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 -87.076 kcal (2) G-P(sol) polarization free energy of solvation -33.004 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -120.079 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.819 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.823 kcal (6) G-S(sol) free energy of system = (1) + (5) -128.899 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.90 seconds