Wall clock time and date at job start Wed Apr 1 2020 00:32:26 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 1.53005 * 109.46862 * 2 1 4 4 H 1.08993 * 109.47993 * 304.97466 * 3 2 1 5 5 C 1.53095 * 109.47946 * 184.94150 * 3 2 1 6 6 C 1.53173 * 109.16153 * 182.41101 * 5 3 2 7 7 H 1.08996 * 109.54192 * 176.84653 * 6 5 3 8 8 C 1.50698 * 109.54246 * 297.11030 * 6 5 3 9 9 O 1.21277 * 120.00300 * 9.89882 * 8 6 5 10 10 N 1.34779 * 119.99989 * 189.89416 * 8 6 5 11 11 C 1.46927 * 120.63140 * 5.26628 * 10 8 6 12 12 C 1.52760 * 109.00701 * 233.58580 * 11 10 8 13 13 C 1.53045 * 109.38191 * 305.58340 * 12 11 10 14 14 O 1.42897 * 109.46268 * 301.22301 * 13 12 11 15 15 C 1.53000 * 109.44796 * 181.25463 * 13 12 11 16 16 N 1.46499 * 109.47271 * 59.94012 * 15 13 12 17 17 C 1.36933 * 120.00413 * 179.97438 * 16 15 13 18 18 H 1.08005 * 119.99928 * 0.02562 * 17 16 15 19 19 C 1.38820 * 120.00381 * 179.97438 * 17 16 15 20 20 N 1.31615 * 119.99626 * 0.02562 * 19 17 16 21 21 Si 1.86794 * 119.99911 * 180.02562 * 19 17 16 22 22 H 1.48498 * 109.47365 * 60.00619 * 21 19 17 23 23 H 1.48501 * 109.46895 * 180.02562 * 21 19 17 24 24 H 1.48500 * 109.47467 * 300.00133 * 21 19 17 25 25 C 1.53039 * 109.53537 * 61.24351 * 13 12 11 26 26 C 1.46927 * 120.63253 * 185.54319 * 10 8 6 27 27 C 1.53177 * 109.03769 * 56.97797 * 6 5 3 28 28 C 1.53087 * 109.16688 * 303.01964 * 27 6 5 29 29 O 1.42906 * 109.47776 * 65.00023 * 3 2 1 30 30 H 1.09002 * 109.47172 * 60.00184 * 1 2 3 31 31 H 1.09002 * 109.47309 * 179.97438 * 1 2 3 32 32 H 1.09000 * 109.47453 * 299.99921 * 1 2 3 33 33 H 1.09000 * 109.47453 * 240.00079 * 2 1 3 34 34 H 1.09002 * 109.47172 * 119.99816 * 2 1 3 35 35 H 1.09004 * 109.51846 * 302.31391 * 5 3 2 36 36 H 1.08994 * 109.52348 * 62.50157 * 5 3 2 37 37 H 1.09002 * 109.58346 * 353.41195 * 11 10 8 38 38 H 1.08993 * 109.58734 * 113.84403 * 11 10 8 39 39 H 1.09003 * 109.56491 * 185.55311 * 12 11 10 40 40 H 1.08999 * 109.36326 * 65.49874 * 12 11 10 41 41 H 0.96703 * 113.99751 * 300.06704 * 14 13 12 42 42 H 1.09000 * 109.47231 * 179.97438 * 15 13 12 43 43 H 1.08994 * 109.47434 * 299.94177 * 15 13 12 44 44 H 0.97002 * 119.99681 * 0.02562 * 16 15 13 45 45 H 0.97000 * 119.99801 * 179.97438 * 20 19 17 46 46 H 1.09002 * 109.49931 * 178.68111 * 25 13 12 47 47 H 1.09000 * 109.49818 * 58.58611 * 25 13 12 48 48 H 1.08997 * 109.58734 * 246.15916 * 26 10 8 49 49 H 1.09002 * 109.58675 * 6.58719 * 26 10 8 50 50 H 1.09003 * 109.52198 * 62.92674 * 27 6 5 51 51 H 1.09005 * 109.52312 * 183.10910 * 27 6 5 52 52 H 1.09004 * 109.47914 * 297.62462 * 28 27 6 53 53 H 1.09000 * 109.48393 * 177.59574 * 28 27 6 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 2.0399 1.4426 0.0000 4 1 1.6057 1.9816 -0.8420 5 6 3.5658 1.4446 -0.1243 6 6 4.0733 2.8886 -0.0630 7 1 5.1628 2.8938 -0.0947 8 6 3.5294 3.6642 -1.2350 9 8 2.6698 3.1771 -1.9383 10 7 3.9981 4.8995 -1.5015 11 6 5.1178 5.4577 -0.7310 12 6 4.7059 6.8169 -0.1685 13 6 4.2195 7.7128 -1.3100 14 8 5.2636 7.8651 -2.2736 15 6 3.8361 9.0851 -0.7526 16 7 5.0041 9.6965 -0.1138 17 6 4.9007 10.9356 0.4597 18 1 3.9578 11.4621 0.4415 19 6 6.0074 11.5147 1.0655 20 7 7.1562 10.8729 1.0881 21 14 5.8660 13.2047 1.8485 22 1 4.8457 13.1670 2.9268 23 1 7.1787 13.5959 2.4220 24 1 5.4614 14.1952 0.8186 25 6 2.9991 7.0744 -1.9772 26 6 3.3953 5.7159 -2.5639 27 6 3.5955 3.5310 1.2429 28 6 2.0685 3.4484 1.3144 29 8 1.6619 2.0816 1.2210 30 1 -0.3633 0.5138 -0.8900 31 1 -0.3634 -1.0277 -0.0005 32 1 -0.3634 0.5138 0.8900 33 1 1.8934 -0.5138 -0.8900 34 1 1.8933 -0.5138 0.8900 35 1 3.9988 0.8712 0.6954 36 1 3.8544 0.9972 -1.0754 37 1 5.3681 4.7850 0.0893 38 1 5.9832 5.5817 -1.3818 39 1 5.5607 7.2835 0.3212 40 1 3.9018 6.6801 0.5546 41 1 6.0701 8.2647 -1.9199 42 1 3.4900 9.7236 -1.5653 43 1 3.0394 8.9692 -0.0179 44 1 5.8510 9.2238 -0.0978 45 1 7.9296 11.2777 1.5111 46 1 2.6390 7.7241 -2.7748 47 1 2.2111 6.9352 -1.2371 48 1 4.1175 5.8613 -3.3672 49 1 2.5094 5.2135 -2.9526 50 1 4.0291 2.9998 2.0902 51 1 3.9054 4.5758 1.2696 52 1 1.6349 4.0139 0.4896 53 1 1.7258 3.8658 2.2612 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 ZINC001484962607.mol2 53 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 00:32:26 Heat of formation + Delta-G solvation = -130.623932 kcal Electronic energy + Delta-G solvation = -32157.814907 eV Core-core repulsion = 28029.188370 eV Total energy + Delta-G solvation = -4128.626537 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.85 seconds Orbital eigenvalues (eV) -41.13496 -39.38177 -38.05103 -35.64949 -34.33190 -34.03039 -33.84677 -31.94781 -31.16478 -30.40276 -29.95916 -27.06838 -25.79731 -24.13421 -23.80707 -23.33022 -22.47127 -21.44850 -21.02837 -20.06266 -18.67281 -17.60218 -17.09642 -16.55631 -16.36393 -16.06851 -15.70098 -15.34661 -15.04797 -14.65799 -14.50657 -14.20061 -14.07053 -13.88389 -13.86307 -13.62886 -13.32599 -13.25036 -12.95032 -12.77513 -12.60065 -12.33686 -12.23698 -11.96908 -11.92107 -11.77084 -11.54040 -11.31590 -11.14318 -11.11009 -11.07934 -11.02883 -10.86993 -10.83661 -10.51757 -10.36006 -10.20010 -9.80696 -9.73869 -9.47828 -9.22409 -8.99335 -8.59662 -7.06861 -5.88940 -3.18024 2.49800 2.92477 3.37668 3.42675 3.43100 3.68890 4.25231 4.39945 4.47049 4.50691 4.54435 4.66876 4.75765 4.80476 4.95374 5.03381 5.05410 5.08021 5.13830 5.21712 5.26373 5.34114 5.38127 5.43693 5.45773 5.50474 5.56593 5.60733 5.64045 5.66672 5.73208 5.78325 5.80507 5.84533 5.87163 5.90772 5.94499 5.97586 6.06313 6.11712 6.20966 6.26670 6.32565 6.52784 6.61783 6.64990 7.18890 7.36081 7.59839 8.02143 8.08866 8.30125 9.40830 9.93906 10.28115 11.33751 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.020058 B = 0.002577 C = 0.002464 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1395.630276 B =10863.598519 C =11361.725548 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.149 4.149 2 C -0.113 4.113 3 C 0.074 3.926 4 H 0.094 0.906 5 C -0.127 4.127 6 C -0.112 4.112 7 H 0.098 0.902 8 C 0.519 3.481 9 O -0.544 6.544 10 N -0.603 5.603 11 C 0.107 3.893 12 C -0.158 4.158 13 C 0.131 3.869 14 O -0.560 6.560 15 C 0.129 3.871 16 N -0.729 5.729 17 C -0.242 4.242 18 H 0.070 0.930 19 C -0.011 4.011 20 N -0.934 5.934 21 Si 0.909 3.091 22 H -0.286 1.286 23 H -0.291 1.291 24 H -0.285 1.285 25 C -0.117 4.117 26 C 0.118 3.882 27 C -0.151 4.151 28 C 0.063 3.937 29 O -0.380 6.380 30 H 0.052 0.948 31 H 0.050 0.950 32 H 0.060 0.940 33 H 0.072 0.928 34 H 0.065 0.935 35 H 0.075 0.925 36 H 0.076 0.924 37 H 0.084 0.916 38 H 0.076 0.924 39 H 0.092 0.908 40 H 0.073 0.927 41 H 0.383 0.617 42 H 0.028 0.972 43 H 0.025 0.975 44 H 0.380 0.620 45 H 0.257 0.743 46 H 0.082 0.918 47 H 0.076 0.924 48 H 0.075 0.925 49 H 0.087 0.913 50 H 0.084 0.916 51 H 0.085 0.915 52 H 0.048 0.952 53 H 0.095 0.905 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.958 -20.002 -2.558 21.332 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 -0.206 4.206 2 C -0.151 4.151 3 C 0.017 3.983 4 H 0.112 0.888 5 C -0.165 4.165 6 C -0.133 4.133 7 H 0.116 0.884 8 C 0.307 3.693 9 O -0.423 6.423 10 N -0.336 5.336 11 C -0.016 4.016 12 C -0.196 4.196 13 C 0.090 3.910 14 O -0.368 6.368 15 C 0.001 3.999 16 N -0.375 5.375 17 C -0.373 4.373 18 H 0.088 0.912 19 C -0.207 4.207 20 N -0.583 5.583 21 Si 0.740 3.260 22 H -0.212 1.212 23 H -0.216 1.216 24 H -0.212 1.212 25 C -0.155 4.155 26 C -0.004 4.004 27 C -0.189 4.189 28 C -0.014 4.014 29 O -0.299 6.299 30 H 0.071 0.929 31 H 0.069 0.931 32 H 0.079 0.921 33 H 0.091 0.909 34 H 0.083 0.917 35 H 0.093 0.907 36 H 0.095 0.905 37 H 0.102 0.898 38 H 0.094 0.906 39 H 0.111 0.889 40 H 0.091 0.909 41 H 0.232 0.768 42 H 0.046 0.954 43 H 0.043 0.957 44 H 0.214 0.786 45 H 0.067 0.933 46 H 0.100 0.900 47 H 0.094 0.906 48 H 0.094 0.906 49 H 0.105 0.895 50 H 0.103 0.897 51 H 0.103 0.897 52 H 0.067 0.933 53 H 0.114 0.886 Dipole moment (debyes) X Y Z Total from point charges -8.009 -20.460 -3.126 22.193 hybrid contribution 1.084 1.500 0.787 2.011 sum -6.925 -18.960 -2.339 20.321 Atomic orbital electron populations 1.21700 0.95405 1.01143 1.02342 1.21515 0.96679 0.94753 1.02143 1.22568 0.93193 0.94268 0.88270 0.88817 1.22003 0.97382 0.94227 1.02907 1.21403 1.01963 0.96107 0.93865 0.88373 1.20586 0.81949 0.81306 0.85418 1.90583 1.32657 1.68400 1.50617 1.48147 1.34360 1.15169 1.35877 1.21766 0.88885 0.95317 0.95606 1.22492 1.03520 0.94951 0.98682 1.21269 0.87875 0.94259 0.87613 1.86376 1.26661 1.84889 1.38843 1.21312 0.91732 0.91423 0.95470 1.42266 1.08081 1.19355 1.67765 1.19151 0.95941 0.93519 1.28653 0.91207 1.24726 0.95678 0.98832 1.01479 1.69613 1.00581 1.38477 1.49606 0.86244 0.76623 0.84019 0.79152 1.21236 1.21635 1.21214 1.21851 0.96450 0.95975 1.01245 1.21522 0.99077 0.90235 0.89572 1.22296 0.97934 1.02301 0.96342 1.22498 0.93091 0.83645 1.02203 1.87874 1.78669 1.24218 1.39147 0.92855 0.93075 0.92057 0.90896 0.91661 0.90680 0.90550 0.89797 0.90569 0.88927 0.90859 0.76799 0.95371 0.95703 0.78556 0.93343 0.89952 0.90577 0.90645 0.89487 0.89749 0.89683 0.93333 0.88643 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 -1.37 9.81 37.16 0.36 -1.00 16 2 C -0.11 -1.07 5.64 -26.73 -0.15 -1.22 16 3 C 0.07 0.83 2.36 -26.68 -0.06 0.77 16 4 H 0.09 1.27 5.46 -51.93 -0.28 0.99 16 5 C -0.13 -1.26 4.60 -26.59 -0.12 -1.38 16 6 C -0.11 -1.12 2.17 -91.59 -0.20 -1.32 16 7 H 0.10 0.83 7.16 -51.93 -0.37 0.46 16 8 C 0.52 6.48 5.73 -10.99 -0.06 6.42 16 9 O -0.54 -8.17 13.01 5.56 0.07 -8.10 16 10 N -0.60 -7.29 2.98 -173.03 -0.52 -7.81 16 11 C 0.11 1.20 5.26 -3.93 -0.02 1.18 16 12 C -0.16 -2.12 4.79 -26.83 -0.13 -2.25 16 13 C 0.13 1.95 0.71 -90.58 -0.06 1.88 16 14 O -0.56 -8.79 11.71 -35.23 -0.41 -9.21 16 15 C 0.13 2.42 5.40 -4.04 -0.02 2.39 16 16 N -0.73 -16.82 5.07 -59.91 -0.30 -17.12 16 17 C -0.24 -6.43 9.99 -15.06 -0.15 -6.58 16 18 H 0.07 1.83 7.83 -52.48 -0.41 1.42 16 19 C -0.01 -0.30 5.50 -17.43 -0.10 -0.40 16 20 N -0.93 -26.59 13.06 55.49 0.72 -25.87 16 21 Si 0.91 21.68 29.55 -169.99 -5.02 16.66 16 22 H -0.29 -6.73 7.11 56.52 0.40 -6.33 16 23 H -0.29 -6.99 7.11 56.52 0.40 -6.59 16 24 H -0.29 -6.76 7.11 56.52 0.40 -6.35 16 25 C -0.12 -1.52 5.11 -26.61 -0.14 -1.66 16 26 C 0.12 1.50 6.18 -3.71 -0.02 1.47 16 27 C -0.15 -1.43 5.25 -26.59 -0.14 -1.57 16 28 C 0.06 0.68 6.62 37.20 0.25 0.93 16 29 O -0.38 -4.59 9.94 -35.23 -0.35 -4.94 16 30 H 0.05 0.51 8.14 -51.93 -0.42 0.08 16 31 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 32 H 0.06 0.61 7.82 -51.93 -0.41 0.21 16 33 H 0.07 0.61 8.14 -51.93 -0.42 0.19 16 34 H 0.06 0.59 8.14 -51.93 -0.42 0.16 16 35 H 0.07 0.66 8.14 -51.93 -0.42 0.23 16 36 H 0.08 0.75 8.14 -51.93 -0.42 0.33 16 37 H 0.08 0.79 4.67 -51.93 -0.24 0.54 16 38 H 0.08 0.88 7.81 -51.93 -0.41 0.47 16 39 H 0.09 1.41 6.82 -51.93 -0.35 1.05 16 40 H 0.07 0.98 7.57 -51.93 -0.39 0.58 16 41 H 0.38 6.04 7.85 45.56 0.36 6.39 16 42 H 0.03 0.57 8.14 -51.93 -0.42 0.14 16 43 H 0.03 0.48 8.14 -51.93 -0.42 0.05 16 44 H 0.38 8.87 5.58 -40.82 -0.23 8.64 16 45 H 0.26 7.15 8.31 -40.82 -0.34 6.81 16 46 H 0.08 1.05 8.14 -51.93 -0.42 0.63 16 47 H 0.08 0.96 8.14 -51.93 -0.42 0.54 16 48 H 0.08 1.00 7.81 -51.93 -0.41 0.59 16 49 H 0.09 1.13 7.04 -51.93 -0.37 0.77 16 50 H 0.08 0.72 8.14 -51.93 -0.42 0.30 16 51 H 0.08 0.80 5.57 -51.93 -0.29 0.51 16 52 H 0.05 0.59 7.38 -51.93 -0.38 0.21 16 53 H 0.10 0.91 8.14 -51.93 -0.42 0.49 16 LS Contribution 394.13 15.07 5.94 5.94 Total: -1.00 -30.25 394.13 -9.02 -39.28 By element: Atomic # 1 Polarization: 21.89 SS G_CDS: -8.39 Total: 13.50 kcal Atomic # 6 Polarization: -1.57 SS G_CDS: -0.77 Total: -2.34 kcal Atomic # 7 Polarization: -50.70 SS G_CDS: -0.09 Total: -50.80 kcal Atomic # 8 Polarization: -21.55 SS G_CDS: -0.69 Total: -22.24 kcal Atomic # 14 Polarization: 21.68 SS G_CDS: -5.02 Total: 16.66 kcal Total LS contribution 5.94 Total: 5.94 kcal Total: -30.25 -9.02 -39.28 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. ZINC001484962607.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 -91.349 kcal (2) G-P(sol) polarization free energy of solvation -30.251 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -121.599 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.025 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.275 kcal (6) G-S(sol) free energy of system = (1) + (5) -130.624 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.85 seconds