Wall clock time and date at job start Sat Apr 11 2020 06:11:07 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 1.52998 * 109.47109 * 2 1 4 4 C 1.53002 * 109.46762 * 179.97438 * 3 2 1 5 5 C 1.52998 * 109.46762 * 180.02562 * 4 3 2 6 6 H 1.09007 * 109.47569 * 55.00041 * 5 4 3 7 7 N 1.46507 * 109.47370 * 295.00371 * 5 4 3 8 8 C 1.34778 * 119.99517 * 300.00133 * 7 5 4 9 9 N 1.34778 * 119.99919 * 180.02562 * 8 7 5 10 10 O 1.21590 * 120.00150 * 359.97438 * 8 7 5 11 11 C 1.50704 * 109.47315 * 175.00101 * 5 4 3 12 12 O 1.21280 * 119.99787 * 99.99826 * 11 5 4 13 13 N 1.34774 * 119.99786 * 280.00402 * 11 5 4 14 14 C 1.46920 * 120.63436 * 354.68753 * 13 11 5 15 15 C 1.52762 * 109.01099 * 233.58959 * 14 13 11 16 16 C 1.53044 * 109.37786 * 305.58427 * 15 14 13 17 17 C 1.53039 * 109.53604 * 61.24250 * 16 15 14 18 18 C 1.46932 * 120.62808 * 174.97272 * 13 11 5 19 19 H 1.08998 * 109.58152 * 246.15637 * 18 13 11 20 20 C 1.53002 * 109.58371 * 6.57367 * 18 13 11 21 21 N 1.46502 * 109.46485 * 181.12223 * 20 18 13 22 22 C 1.36939 * 119.99764 * 185.45018 * 21 20 18 23 23 H 1.08007 * 120.00293 * 0.02562 * 22 21 20 24 24 C 1.38806 * 120.00338 * 180.02562 * 22 21 20 25 25 N 1.31624 * 119.99783 * 359.97438 * 24 22 21 26 26 Si 1.86805 * 120.00511 * 180.02562 * 24 22 21 27 27 H 1.48496 * 109.47042 * 89.99645 * 26 24 22 28 28 H 1.48496 * 109.46997 * 209.99741 * 26 24 22 29 29 H 1.48505 * 109.46576 * 329.99830 * 26 24 22 30 30 H 1.09005 * 109.47051 * 179.97438 * 1 2 3 31 31 H 1.08999 * 109.47043 * 300.00317 * 1 2 3 32 32 H 1.09002 * 109.46850 * 60.00020 * 1 2 3 33 33 H 1.08999 * 109.47043 * 239.99683 * 2 1 3 34 34 H 1.09002 * 109.46850 * 119.99980 * 2 1 3 35 35 H 1.08995 * 109.46940 * 59.99989 * 3 2 1 36 36 H 1.09002 * 109.47248 * 299.99736 * 3 2 1 37 37 H 1.08995 * 109.47064 * 60.00479 * 4 3 2 38 38 H 1.08997 * 109.47560 * 299.99621 * 4 3 2 39 39 H 0.96991 * 120.00289 * 120.00057 * 7 5 4 40 40 H 0.96998 * 119.99896 * 359.97438 * 9 8 7 41 41 H 0.96993 * 120.00151 * 180.02562 * 9 8 7 42 42 H 1.09000 * 109.58558 * 353.42447 * 14 13 11 43 43 H 1.08998 * 109.58624 * 113.84375 * 14 13 11 44 44 H 1.08999 * 109.56467 * 185.55425 * 15 14 13 45 45 H 1.08995 * 109.36109 * 65.49516 * 15 14 13 46 46 H 1.09000 * 109.46205 * 301.21810 * 16 15 14 47 47 H 1.09002 * 109.44535 * 181.25544 * 16 15 14 48 48 H 1.08998 * 109.49703 * 178.67867 * 17 16 15 49 49 H 1.08997 * 109.52522 * 58.60374 * 17 16 15 50 50 H 1.08993 * 109.47766 * 301.12224 * 20 18 13 51 51 H 1.09002 * 109.47034 * 61.13052 * 20 18 13 52 52 H 0.96998 * 120.00247 * 5.45257 * 21 20 18 53 53 H 0.97004 * 120.00255 * 179.97438 * 25 24 22 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 3.5701 1.4424 0.0006 5 6 4.0800 2.8849 0.0013 6 1 3.6451 3.4238 0.8431 7 7 3.6929 3.5403 -1.2505 8 6 4.1179 3.0452 -2.4298 9 7 3.7623 3.6484 -3.5814 10 8 4.8230 2.0549 -2.4548 11 6 5.5819 2.8867 0.1257 12 8 6.2719 3.0400 -0.8599 13 7 6.1583 2.7179 1.3323 14 6 5.3392 2.6471 2.5499 15 6 5.8529 3.6758 3.5557 16 6 7.3489 3.4535 3.7902 17 6 8.1068 3.6419 2.4741 18 6 7.6183 2.6073 1.4555 19 1 7.8813 1.6061 1.7967 20 6 8.2695 2.8771 0.0975 21 7 9.7231 2.7399 0.2174 22 6 10.5296 3.0451 -0.8465 23 1 10.0941 3.3872 -1.7737 24 6 11.9069 2.9146 -0.7333 25 7 12.4378 2.4981 0.3968 26 14 13.0071 3.3315 -2.1842 27 1 13.3872 4.7656 -2.1212 28 1 14.2312 2.4924 -2.1344 29 1 12.2774 3.0679 -3.4505 30 1 -0.3633 -1.0277 -0.0005 31 1 -0.3633 0.5139 0.8899 32 1 -0.3633 0.5138 -0.8900 33 1 1.8934 -0.5139 -0.8899 34 1 1.8933 -0.5138 0.8900 35 1 1.6767 1.9563 0.8900 36 1 1.6767 1.9563 -0.8900 37 1 3.9337 0.9285 -0.8891 38 1 3.9331 0.9288 0.8908 39 1 3.1309 4.3305 -1.2305 40 1 3.2002 4.4387 -3.5614 41 1 4.0678 3.2919 -4.4301 42 1 4.3000 2.8656 2.3044 43 1 5.4126 1.6492 2.9822 44 1 5.3165 3.5645 4.4979 45 1 5.6917 4.6789 3.1609 46 1 7.5119 2.4418 4.1616 47 1 7.7119 4.1727 4.5245 48 1 9.1745 3.5065 2.6466 49 1 7.9249 4.6453 2.0893 50 1 7.8959 2.1602 -0.6335 51 1 8.0256 3.8885 -0.2278 52 1 10.1143 2.4329 1.0502 53 1 13.4002 2.4065 0.4759 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 ZINC001280462472.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 06:11:07 Heat of formation + Delta-G solvation = -48.019944 kcal Electronic energy + Delta-G solvation = -32152.243390 eV Core-core repulsion = 28059.491581 eV Total energy + Delta-G solvation = -4092.751809 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 1.12 seconds Orbital eigenvalues (eV) -40.81356 -39.35263 -37.08105 -36.36543 -34.69322 -34.12499 -33.46194 -32.66022 -31.86354 -30.48037 -29.62901 -27.27403 -25.77253 -24.26390 -23.26173 -22.77499 -21.74825 -21.12842 -20.93928 -20.16421 -18.84534 -18.44344 -17.25190 -16.92727 -16.45548 -15.95507 -15.57505 -15.12532 -14.78577 -14.61241 -14.40341 -14.34459 -14.04983 -14.02618 -13.89421 -13.41180 -13.30828 -13.20802 -12.84685 -12.80954 -12.56892 -12.54834 -11.96943 -11.84824 -11.46602 -11.43060 -11.25897 -11.09799 -10.89823 -10.83541 -10.79368 -10.70739 -10.61239 -10.43785 -10.26257 -9.93100 -9.81172 -9.57556 -9.47013 -9.36079 -8.72602 -8.30966 -8.14193 -6.65013 -5.57659 -2.82920 2.72585 3.01958 3.24171 3.54959 3.56319 3.60691 3.64714 4.41193 4.50304 4.60892 4.69349 4.75269 4.79069 4.88976 4.89977 4.94824 5.08409 5.14061 5.20841 5.32147 5.46102 5.46174 5.50346 5.52652 5.63124 5.69458 5.69810 5.76802 5.84132 5.87250 5.90383 5.98829 6.06786 6.07765 6.09774 6.24923 6.31864 6.37269 6.40188 6.44441 6.65776 6.69588 6.90442 7.00586 7.25813 7.47076 7.74897 7.93615 8.01687 8.57609 8.67395 8.86559 9.73038 10.33434 10.68558 11.66191 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.011385 B = 0.003421 C = 0.002864 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2458.724798 B = 8183.051163 C = 9772.755572 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.151 4.151 2 C -0.126 4.126 3 C -0.111 4.111 4 C -0.135 4.135 5 C 0.154 3.846 6 H 0.104 0.896 7 N -0.734 5.734 8 C 0.709 3.291 9 N -0.872 5.872 10 O -0.557 6.557 11 C 0.490 3.510 12 O -0.477 6.477 13 N -0.609 5.609 14 C 0.108 3.892 15 C -0.134 4.134 16 C -0.120 4.120 17 C -0.125 4.125 18 C 0.142 3.858 19 H 0.068 0.932 20 C 0.166 3.834 21 N -0.738 5.738 22 C -0.218 4.218 23 H 0.069 0.931 24 C -0.022 4.022 25 N -0.940 5.940 26 Si 0.904 3.096 27 H -0.292 1.292 28 H -0.293 1.293 29 H -0.283 1.283 30 H 0.052 0.948 31 H 0.052 0.948 32 H 0.051 0.949 33 H 0.062 0.938 34 H 0.062 0.938 35 H 0.058 0.942 36 H 0.061 0.939 37 H 0.097 0.903 38 H 0.073 0.927 39 H 0.396 0.604 40 H 0.391 0.609 41 H 0.413 0.587 42 H 0.079 0.921 43 H 0.067 0.933 44 H 0.070 0.930 45 H 0.064 0.936 46 H 0.062 0.938 47 H 0.062 0.938 48 H 0.084 0.916 49 H 0.062 0.938 50 H 0.047 0.953 51 H 0.031 0.969 52 H 0.377 0.623 53 H 0.252 0.748 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -28.888 2.045 5.151 29.415 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 -0.208 4.208 2 C -0.163 4.163 3 C -0.148 4.148 4 C -0.174 4.174 5 C 0.044 3.956 6 H 0.121 0.879 7 N -0.391 5.391 8 C 0.407 3.593 9 N -0.441 5.441 10 O -0.431 6.431 11 C 0.275 3.725 12 O -0.348 6.348 13 N -0.346 5.346 14 C -0.016 4.016 15 C -0.172 4.172 16 C -0.158 4.158 17 C -0.164 4.164 18 C 0.039 3.961 19 H 0.086 0.914 20 C 0.039 3.961 21 N -0.384 5.384 22 C -0.350 4.350 23 H 0.087 0.913 24 C -0.216 4.216 25 N -0.591 5.591 26 Si 0.736 3.264 27 H -0.220 1.220 28 H -0.219 1.219 29 H -0.208 1.208 30 H 0.071 0.929 31 H 0.071 0.929 32 H 0.071 0.929 33 H 0.081 0.919 34 H 0.080 0.920 35 H 0.077 0.923 36 H 0.080 0.920 37 H 0.115 0.885 38 H 0.092 0.908 39 H 0.229 0.771 40 H 0.217 0.783 41 H 0.245 0.755 42 H 0.097 0.903 43 H 0.085 0.915 44 H 0.089 0.911 45 H 0.083 0.917 46 H 0.081 0.919 47 H 0.080 0.920 48 H 0.103 0.897 49 H 0.081 0.919 50 H 0.065 0.935 51 H 0.049 0.951 52 H 0.211 0.789 53 H 0.061 0.939 Dipole moment (debyes) X Y Z Total from point charges -27.858 1.291 4.544 28.256 hybrid contribution 0.414 0.874 -0.621 1.149 sum -27.444 2.165 3.923 27.807 Atomic orbital electron populations 1.21767 0.96038 1.01478 1.01558 1.21519 0.95557 0.96947 1.02287 1.21540 0.94714 0.96879 1.01699 1.22004 0.95664 0.94693 1.05026 1.20791 0.92962 0.95765 0.86098 0.87879 1.44690 1.56785 1.33333 1.04289 1.15848 0.79605 0.83333 0.80476 1.42968 1.58916 1.34344 1.07858 1.91007 1.39450 1.26917 1.85681 1.20797 0.90231 0.78177 0.83300 1.90900 1.62236 1.44979 1.36666 1.48135 1.07161 1.73630 1.05693 1.21643 0.94473 0.99609 0.85844 1.21849 0.97245 0.99471 0.98685 1.21544 0.94365 1.01811 0.98056 1.21924 1.01030 0.99463 0.93948 1.21555 0.77634 0.98380 0.98498 0.91444 1.21275 0.83747 0.99766 0.91276 1.42589 1.00286 1.80738 1.14758 1.19246 0.88027 1.35164 0.92577 0.91325 1.24682 0.96584 1.03143 0.97219 1.69661 1.10414 1.54351 1.24668 0.86195 0.80374 0.77534 0.82263 1.22010 1.21941 1.20845 0.92900 0.92861 0.92944 0.91934 0.91966 0.92291 0.92006 0.88501 0.90827 0.77091 0.78260 0.75526 0.90319 0.91486 0.91109 0.91703 0.91912 0.91961 0.89711 0.91909 0.93527 0.95087 0.78919 0.93854 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 -0.15 -0.98 9.91 37.16 0.37 -0.61 16 2 C -0.13 -0.98 5.93 -26.73 -0.16 -1.14 16 3 C -0.11 -0.86 5.10 -26.73 -0.14 -0.99 16 4 C -0.14 -1.43 4.45 -26.73 -0.12 -1.55 16 5 C 0.15 1.68 2.18 -69.08 -0.15 1.53 16 6 H 0.10 0.77 6.31 -51.93 -0.33 0.44 16 7 N -0.73 -7.56 4.66 -59.80 -0.28 -7.84 16 8 C 0.71 9.72 7.59 -86.92 -0.66 9.06 16 9 N -0.87 -8.21 8.88 27.64 0.25 -7.96 16 10 O -0.56 -10.70 13.03 -18.21 -0.24 -10.94 16 11 C 0.49 7.92 6.60 -10.98 -0.07 7.84 16 12 O -0.48 -10.23 9.08 -17.94 -0.16 -10.39 16 13 N -0.61 -8.98 2.98 -165.49 -0.49 -9.47 16 14 C 0.11 1.06 5.73 -3.94 -0.02 1.04 16 15 C -0.13 -1.28 6.07 -26.83 -0.16 -1.44 16 16 C -0.12 -1.45 5.89 -26.69 -0.16 -1.61 16 17 C -0.13 -2.08 5.14 -26.62 -0.14 -2.22 16 18 C 0.14 2.61 3.02 -67.60 -0.20 2.41 16 19 H 0.07 1.27 8.14 -51.93 -0.42 0.85 16 20 C 0.17 3.99 4.09 -4.04 -0.02 3.98 16 21 N -0.74 -20.64 5.29 -59.91 -0.32 -20.95 16 22 C -0.22 -6.75 9.99 -15.06 -0.15 -6.90 16 23 H 0.07 2.14 7.83 -52.48 -0.41 1.73 16 24 C -0.02 -0.67 5.50 -17.43 -0.10 -0.77 16 25 N -0.94 -30.01 13.06 55.49 0.72 -29.29 16 26 Si 0.90 24.19 29.55 -169.99 -5.02 19.17 16 27 H -0.29 -7.72 7.11 56.52 0.40 -7.32 16 28 H -0.29 -7.80 7.11 56.52 0.40 -7.39 16 29 H -0.28 -7.46 7.11 56.52 0.40 -7.06 16 30 H 0.05 0.33 8.14 -51.93 -0.42 -0.10 16 31 H 0.05 0.31 8.14 -51.93 -0.42 -0.12 16 32 H 0.05 0.33 8.14 -51.93 -0.42 -0.09 16 33 H 0.06 0.57 8.14 -51.93 -0.42 0.14 16 34 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 35 H 0.06 0.36 8.14 -51.93 -0.42 -0.06 16 36 H 0.06 0.50 7.75 -51.93 -0.40 0.10 16 37 H 0.10 1.42 6.04 -51.93 -0.31 1.10 16 38 H 0.07 0.74 7.61 -51.93 -0.40 0.34 16 39 H 0.40 2.58 8.84 -40.82 -0.36 2.21 16 40 H 0.39 2.19 8.84 -40.82 -0.36 1.83 16 41 H 0.41 3.80 8.93 -40.82 -0.36 3.44 16 42 H 0.08 0.56 5.43 -51.93 -0.28 0.28 16 43 H 0.07 0.62 8.14 -51.93 -0.42 0.19 16 44 H 0.07 0.51 8.14 -51.93 -0.42 0.08 16 45 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 46 H 0.06 0.74 8.14 -51.93 -0.42 0.31 16 47 H 0.06 0.70 8.14 -51.93 -0.42 0.28 16 48 H 0.08 1.61 7.27 -51.93 -0.38 1.23 16 49 H 0.06 1.10 8.14 -51.93 -0.42 0.68 16 50 H 0.05 1.28 6.35 -51.93 -0.33 0.95 16 51 H 0.03 0.81 7.12 -51.93 -0.37 0.44 16 52 H 0.38 10.72 6.87 -40.82 -0.28 10.44 16 53 H 0.25 7.75 8.31 -40.82 -0.34 7.41 16 LS Contribution 404.38 15.07 6.09 6.09 Total: -1.00 -39.80 404.38 -10.53 -50.33 By element: Atomic # 1 Polarization: 21.83 SS G_CDS: -9.21 Total: 12.62 kcal Atomic # 6 Polarization: 10.51 SS G_CDS: -1.87 Total: 8.63 kcal Atomic # 7 Polarization: -75.40 SS G_CDS: -0.12 Total: -75.52 kcal Atomic # 8 Polarization: -20.93 SS G_CDS: -0.40 Total: -21.33 kcal Atomic # 14 Polarization: 24.19 SS G_CDS: -5.02 Total: 19.17 kcal Total LS contribution 6.09 Total: 6.09 kcal Total: -39.80 -10.53 -50.33 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. ZINC001280462472.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 2.306 kcal (2) G-P(sol) polarization free energy of solvation -39.796 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -37.491 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.529 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -50.326 kcal (6) G-S(sol) free energy of system = (1) + (5) -48.020 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.12 seconds