Wall clock time and date at job start Sat Apr 11 2020 06:12:02 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 C 2 2 O 1.42907 * 1 3 3 C 1.42899 * 113.99792 * 2 1 4 4 H 1.09000 * 109.46900 * 30.00113 * 3 2 1 5 5 C 1.50697 * 109.47187 * 269.99902 * 3 2 1 6 6 O 1.21283 * 119.99875 * 347.61367 * 5 3 2 7 7 N 1.34773 * 119.99854 * 167.61164 * 5 3 2 8 8 C 1.46503 * 119.99670 * 183.78995 * 7 5 3 9 9 C 1.53001 * 109.47136 * 82.79866 * 8 7 5 10 10 H 1.09006 * 109.67457 * 300.25633 * 9 8 7 11 11 C 1.53293 * 109.68446 * 179.73994 * 9 8 7 12 12 O 1.42970 * 109.21804 * 188.01486 * 11 9 8 13 13 C 1.42957 * 114.20301 * 62.51788 * 12 11 9 14 14 C 1.53295 * 109.22507 * 297.44077 * 13 12 11 15 15 N 1.47144 * 108.38685 * 52.29876 * 14 13 12 16 16 C 1.36935 * 120.98267 * 129.48494 * 15 14 13 17 17 H 1.08006 * 120.00266 * 213.73082 * 16 15 14 18 18 C 1.38812 * 119.99900 * 33.72977 * 16 15 14 19 19 N 1.31617 * 119.99931 * 8.51814 * 18 16 15 20 20 Si 1.86804 * 119.99711 * 188.52078 * 18 16 15 21 21 H 1.48490 * 109.47568 * 5.00272 * 20 18 16 22 22 H 1.48502 * 109.46788 * 125.00560 * 20 18 16 23 23 H 1.48500 * 109.47003 * 245.00061 * 20 18 16 24 24 C 1.52998 * 109.46913 * 149.99756 * 3 2 1 25 25 C 1.52997 * 109.47255 * 179.42273 * 24 3 2 26 26 C 1.52998 * 109.47255 * 179.97438 * 25 24 3 27 27 C 1.52998 * 109.47281 * 300.00393 * 26 25 24 28 28 C 1.52999 * 109.47173 * 59.99995 * 27 26 25 29 29 C 1.52998 * 109.47281 * 299.42666 * 24 3 2 30 30 H 1.09000 * 109.46901 * 179.97438 * 1 2 3 31 31 H 1.08992 * 109.47336 * 299.99630 * 1 2 3 32 32 H 1.08999 * 109.47220 * 60.00353 * 1 2 3 33 33 H 0.96996 * 120.00239 * 3.79371 * 7 5 3 34 34 H 1.09005 * 109.47256 * 202.79498 * 8 7 5 35 35 H 1.09000 * 109.47416 * 322.79342 * 8 7 5 36 36 H 1.09001 * 109.51273 * 307.89973 * 11 9 8 37 37 H 1.09006 * 109.51252 * 68.04759 * 11 9 8 38 38 H 1.09005 * 109.51063 * 177.51265 * 13 12 11 39 39 H 1.08996 * 109.55589 * 57.39157 * 13 12 11 40 40 H 1.09009 * 109.68084 * 292.57522 * 14 13 12 41 41 H 1.09002 * 109.71372 * 172.04723 * 14 13 12 42 42 H 0.97001 * 119.99686 * 180.02562 * 19 18 16 43 43 H 1.09001 * 109.46793 * 59.42564 * 24 3 2 44 44 H 1.08997 * 109.47543 * 300.00677 * 25 24 3 45 45 H 1.09001 * 109.46983 * 60.00407 * 25 24 3 46 46 H 1.09005 * 109.46913 * 179.97438 * 26 25 24 47 47 H 1.09001 * 109.46793 * 60.00291 * 26 25 24 48 48 H 1.09001 * 109.47124 * 299.99695 * 27 26 25 49 49 H 1.09000 * 109.46844 * 180.02562 * 27 26 25 50 50 H 1.09003 * 109.46818 * 179.97438 * 28 27 26 51 51 H 1.08999 * 109.47031 * 60.00270 * 28 27 26 52 52 H 1.09001 * 109.47124 * 299.99695 * 29 24 3 53 53 H 1.08997 * 109.47129 * 59.99916 * 29 24 3 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 1.4291 0.0000 0.0000 3 6 2.0102 1.3055 0.0000 4 1 1.3449 1.9993 0.5139 5 6 2.2146 1.7644 -1.4208 6 8 2.1092 0.9738 -2.3345 7 7 2.5143 3.0533 -1.6761 8 6 2.6311 3.5178 -3.0606 9 6 1.2393 3.8352 -3.6112 10 1 0.6183 2.9400 -3.5774 11 6 1.3565 4.3280 -5.0580 12 8 0.0804 4.7973 -5.5001 13 6 -0.4209 5.9146 -4.7626 14 6 -0.6292 5.5021 -3.3009 15 7 0.6188 4.8995 -2.8064 16 6 1.1858 5.3164 -1.6318 17 1 2.2604 5.3235 -1.5234 18 6 0.3795 5.7301 -0.5803 19 7 -0.9246 5.5655 -0.6468 20 14 1.1455 6.5205 0.9291 21 1 2.6027 6.7006 0.7080 22 1 0.5141 7.8429 1.1696 23 1 0.9283 5.6463 2.1097 24 6 3.3589 1.2633 0.7213 25 6 3.9878 2.6579 0.7088 26 6 5.3361 2.6159 1.4306 27 6 5.1263 2.1640 2.8772 28 6 4.4975 0.7692 2.8897 29 6 3.1496 0.8111 2.1679 30 1 -0.3633 -1.0277 -0.0005 31 1 -0.3633 0.5137 0.8899 32 1 -0.3633 0.5138 -0.8900 33 1 2.6527 3.6734 -0.9432 34 1 3.2477 4.4162 -3.0917 35 1 3.0930 2.7390 -3.6674 36 1 2.0803 5.1415 -5.1081 37 1 1.6848 3.5078 -5.6966 38 1 -1.3712 6.2357 -5.1893 39 1 0.2955 6.7347 -4.8109 40 1 -1.4387 4.7750 -3.2364 41 1 -0.8754 6.3795 -2.7028 42 1 -1.4881 5.8550 0.0878 43 1 4.0207 0.5617 0.2134 44 1 4.1368 2.9801 -0.3218 45 1 3.3260 3.3595 1.2166 46 1 5.7844 3.6094 1.4213 47 1 5.9982 1.9142 0.9232 48 1 4.4643 2.8656 3.3847 49 1 6.0869 2.1345 3.3915 50 1 4.3484 0.4472 3.9203 51 1 5.1595 0.0676 2.3823 52 1 2.4878 1.5127 2.6757 53 1 2.7016 -0.1825 2.1768 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 ZINC001501848270.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 06:12:02 Heat of formation + Delta-G solvation = -112.688207 kcal Electronic energy + Delta-G solvation = -33261.511870 eV Core-core repulsion = 29133.663084 eV Total energy + Delta-G solvation = -4127.848786 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.17 seconds Orbital eigenvalues (eV) -40.12389 -38.57926 -37.82705 -36.87554 -35.13218 -33.58678 -32.31056 -31.28116 -30.70757 -30.27595 -27.43373 -27.13170 -26.09605 -24.59018 -23.49197 -22.56909 -22.03424 -21.33689 -20.09652 -19.75617 -19.28983 -17.35466 -16.76758 -16.43694 -16.08873 -15.52922 -15.28368 -14.68114 -14.59751 -14.52537 -14.32446 -14.26657 -14.08732 -14.05273 -13.73258 -13.41263 -13.36424 -13.06841 -12.58799 -12.56156 -12.22308 -12.08313 -11.82802 -11.61930 -11.35382 -11.28356 -11.15771 -11.06037 -10.96023 -10.91242 -10.80085 -10.41991 -10.37014 -10.33037 -10.22526 -10.15078 -10.06498 -10.01159 -9.62983 -9.17821 -8.73065 -8.68060 -8.13404 -6.67669 -5.94326 -3.46032 3.16485 3.19345 3.25085 3.28738 3.61030 4.09717 4.26125 4.58528 4.72370 4.73747 4.83672 5.09440 5.18414 5.22196 5.24227 5.33409 5.37572 5.42427 5.52230 5.54433 5.58613 5.65431 5.70653 5.73786 5.77180 5.83977 5.93338 5.94730 5.98839 6.01638 6.04164 6.10691 6.12607 6.15713 6.16324 6.17582 6.19281 6.27664 6.37504 6.38451 6.48337 6.57448 6.86469 7.06581 7.16974 7.28407 7.50118 7.52092 7.92046 8.19057 8.28488 8.87433 9.00631 9.62858 10.27926 11.11891 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.011076 B = 0.004746 C = 0.004082 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2527.332090 B = 5898.748554 C = 6858.281617 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.031 3.969 2 O -0.360 6.360 3 C 0.077 3.923 4 H 0.086 0.914 5 C 0.494 3.506 6 O -0.545 6.545 7 N -0.696 5.696 8 C 0.128 3.872 9 C 0.121 3.879 10 H 0.040 0.960 11 C 0.055 3.945 12 O -0.393 6.393 13 C 0.036 3.964 14 C 0.146 3.854 15 N -0.587 5.587 16 C -0.250 4.250 17 H 0.064 0.936 18 C 0.010 3.990 19 N -0.894 5.894 20 Si 0.886 3.114 21 H -0.274 1.274 22 H -0.287 1.287 23 H -0.286 1.286 24 C -0.073 4.073 25 C -0.135 4.135 26 C -0.114 4.114 27 C -0.122 4.122 28 C -0.117 4.117 29 C -0.111 4.111 30 H 0.084 0.916 31 H 0.041 0.959 32 H 0.046 0.954 33 H 0.409 0.591 34 H 0.076 0.924 35 H 0.071 0.929 36 H 0.043 0.957 37 H 0.081 0.919 38 H 0.078 0.922 39 H 0.040 0.960 40 H 0.026 0.974 41 H 0.088 0.912 42 H 0.255 0.745 43 H 0.081 0.919 44 H 0.078 0.922 45 H 0.070 0.930 46 H 0.064 0.936 47 H 0.062 0.938 48 H 0.062 0.938 49 H 0.058 0.942 50 H 0.060 0.940 51 H 0.061 0.939 52 H 0.062 0.938 53 H 0.071 0.929 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 8.679 -4.633 4.316 10.743 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 -0.277 6.277 3 C 0.016 3.984 4 H 0.104 0.896 5 C 0.279 3.721 6 O -0.423 6.423 7 N -0.351 5.351 8 C 0.004 3.996 9 C 0.013 3.987 10 H 0.058 0.942 11 C -0.024 4.024 12 O -0.312 6.312 13 C -0.042 4.042 14 C 0.021 3.979 15 N -0.312 5.312 16 C -0.380 4.380 17 H 0.081 0.919 18 C -0.190 4.190 19 N -0.538 5.538 20 Si 0.715 3.285 21 H -0.198 1.198 22 H -0.213 1.213 23 H -0.212 1.212 24 C -0.092 4.092 25 C -0.173 4.173 26 C -0.151 4.151 27 C -0.159 4.159 28 C -0.154 4.154 29 C -0.148 4.148 30 H 0.103 0.897 31 H 0.060 0.940 32 H 0.065 0.935 33 H 0.250 0.750 34 H 0.094 0.906 35 H 0.090 0.910 36 H 0.062 0.938 37 H 0.099 0.901 38 H 0.096 0.904 39 H 0.058 0.942 40 H 0.045 0.955 41 H 0.107 0.893 42 H 0.065 0.935 43 H 0.099 0.901 44 H 0.097 0.903 45 H 0.088 0.912 46 H 0.082 0.918 47 H 0.080 0.920 48 H 0.081 0.919 49 H 0.077 0.923 50 H 0.078 0.922 51 H 0.080 0.920 52 H 0.080 0.920 53 H 0.090 0.910 Dipole moment (debyes) X Y Z Total from point charges 8.475 -5.398 3.662 10.695 hybrid contribution -0.045 1.225 1.396 1.858 sum 8.430 -4.173 5.058 10.680 Atomic orbital electron populations 1.22810 0.80748 1.02424 1.00528 1.87881 1.19890 1.25372 1.94554 1.22121 0.96629 0.86521 0.93153 0.89579 1.21099 0.76757 0.82652 0.91569 1.90634 1.51062 1.54009 1.46603 1.46390 1.69870 1.09639 1.09199 1.21218 0.96792 0.98673 0.82952 1.21586 0.94034 0.92373 0.90713 0.94243 1.22911 0.85341 0.97959 0.96156 1.87795 1.35629 1.49906 1.57878 1.23322 0.97639 0.87787 0.95443 1.21352 0.88244 0.98688 0.89660 1.43969 1.26437 1.38146 1.22663 1.18953 0.90442 1.39019 0.89581 0.91897 1.25238 0.95690 1.00857 0.97204 1.69965 1.02925 1.48881 1.31987 0.86483 0.79015 0.79452 0.83563 1.19837 1.21315 1.21242 1.21082 0.94003 0.98052 0.96057 1.21925 0.97191 0.96147 1.02025 1.21466 0.96811 1.01316 0.95523 1.21572 1.00442 0.97072 0.96858 1.21510 0.96812 0.97059 1.00067 1.21511 0.97208 1.02061 0.94042 0.89720 0.94043 0.93488 0.75016 0.90566 0.91045 0.93843 0.90103 0.90402 0.94206 0.95550 0.89345 0.93466 0.90054 0.90320 0.91153 0.91758 0.91961 0.91927 0.92286 0.92159 0.92039 0.91958 0.91031 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 0.49 10.81 101.05 1.09 1.59 16 2 O -0.36 -6.26 9.26 -54.83 -0.51 -6.77 16 3 C 0.08 1.31 2.15 -27.89 -0.06 1.25 16 4 H 0.09 1.51 7.79 -51.93 -0.40 1.10 16 5 C 0.49 9.62 6.72 -10.99 -0.07 9.55 16 6 O -0.55 -12.33 16.22 -14.04 -0.23 -12.56 16 7 N -0.70 -12.84 2.98 -60.29 -0.18 -13.02 16 8 C 0.13 2.34 4.78 -4.04 -0.02 2.32 16 9 C 0.12 2.53 3.32 -67.42 -0.22 2.30 16 10 H 0.04 0.97 8.14 -51.93 -0.42 0.55 16 11 C 0.06 1.03 6.29 37.31 0.23 1.27 16 12 O -0.39 -8.08 10.74 -35.23 -0.38 -8.46 16 13 C 0.04 0.71 6.99 37.31 0.26 0.97 16 14 C 0.15 3.40 5.36 -3.54 -0.02 3.38 16 15 N -0.59 -13.67 3.02 -164.30 -0.50 -14.17 16 16 C -0.25 -5.92 7.18 -15.06 -0.11 -6.02 16 17 H 0.06 1.41 5.32 -52.48 -0.28 1.13 16 18 C 0.01 0.25 5.09 -17.43 -0.09 0.16 16 19 N -0.89 -23.85 11.20 55.49 0.62 -23.23 16 20 Si 0.89 19.12 29.56 -169.99 -5.03 14.09 16 21 H -0.27 -5.60 7.11 56.52 0.40 -5.20 16 22 H -0.29 -6.45 7.11 56.52 0.40 -6.05 16 23 H -0.29 -6.19 7.11 56.52 0.40 -5.79 16 24 C -0.07 -1.01 1.98 -90.62 -0.18 -1.19 16 25 C -0.14 -1.76 3.97 -26.73 -0.11 -1.86 16 26 C -0.11 -1.23 5.92 -26.73 -0.16 -1.39 16 27 C -0.12 -1.23 5.92 -26.73 -0.16 -1.39 16 28 C -0.12 -1.19 5.92 -26.76 -0.16 -1.35 16 29 C -0.11 -1.34 5.06 -26.76 -0.14 -1.48 16 30 H 0.08 1.11 8.14 -51.93 -0.42 0.68 16 31 H 0.04 0.59 8.08 -51.93 -0.42 0.17 16 32 H 0.05 0.84 8.14 -51.93 -0.42 0.42 16 33 H 0.41 7.37 4.43 -40.82 -0.18 7.19 16 34 H 0.08 1.27 7.54 -51.93 -0.39 0.88 16 35 H 0.07 1.24 7.60 -51.93 -0.39 0.85 16 36 H 0.04 0.76 8.14 -51.93 -0.42 0.34 16 37 H 0.08 1.34 8.14 -51.93 -0.42 0.92 16 38 H 0.08 1.37 8.14 -51.93 -0.42 0.95 16 39 H 0.04 0.76 8.14 -51.93 -0.42 0.34 16 40 H 0.03 0.68 8.14 -51.92 -0.42 0.25 16 41 H 0.09 2.22 6.46 -51.93 -0.34 1.88 16 42 H 0.25 6.65 8.31 -40.82 -0.34 6.31 16 43 H 0.08 1.17 8.14 -51.93 -0.42 0.74 16 44 H 0.08 1.08 5.41 -51.93 -0.28 0.80 16 45 H 0.07 0.97 8.13 -51.93 -0.42 0.54 16 46 H 0.06 0.66 8.14 -51.93 -0.42 0.24 16 47 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 48 H 0.06 0.66 8.14 -51.93 -0.42 0.23 16 49 H 0.06 0.52 8.14 -51.93 -0.42 0.10 16 50 H 0.06 0.55 8.14 -51.93 -0.42 0.13 16 51 H 0.06 0.61 8.14 -51.93 -0.42 0.19 16 52 H 0.06 0.77 8.14 -51.93 -0.42 0.35 16 53 H 0.07 0.89 7.70 -51.93 -0.40 0.49 16 LS Contribution 398.83 15.07 6.01 6.01 Total: -1.00 -29.54 398.83 -9.49 -39.03 By element: Atomic # 1 Polarization: 20.36 SS G_CDS: -9.41 Total: 10.95 kcal Atomic # 6 Polarization: 8.01 SS G_CDS: 0.10 Total: 8.11 kcal Atomic # 7 Polarization: -50.36 SS G_CDS: -0.05 Total: -50.42 kcal Atomic # 8 Polarization: -26.67 SS G_CDS: -1.11 Total: -27.79 kcal Atomic # 14 Polarization: 19.12 SS G_CDS: -5.03 Total: 14.09 kcal Total LS contribution 6.01 Total: 6.01 kcal Total: -29.54 -9.49 -39.03 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. ZINC001501848270.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 -73.655 kcal (2) G-P(sol) polarization free energy of solvation -29.540 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -103.195 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.493 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.033 kcal (6) G-S(sol) free energy of system = (1) + (5) -112.688 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.18 seconds