Wall clock time and date at job start Sat Apr 11 2020 06:09:26 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 N 2 2 C 1.31626 * 1 3 3 Si 1.86800 * 120.00262 * 2 1 4 4 H 1.48499 * 109.47263 * 269.99800 * 3 2 1 5 5 H 1.48501 * 109.47192 * 30.00457 * 3 2 1 6 6 H 1.48506 * 109.46939 * 150.00287 * 3 2 1 7 7 C 1.38803 * 119.99800 * 180.02562 * 2 1 3 8 8 H 1.08001 * 119.99685 * 359.97438 * 7 2 1 9 9 S 1.76197 * 119.99907 * 180.02562 * 7 2 1 10 10 C 1.81001 * 99.99823 * 179.97438 * 9 7 2 11 11 C 1.53007 * 109.47339 * 179.97438 * 10 9 7 12 12 C 1.52992 * 109.47341 * 179.97438 * 11 10 9 13 13 N 1.46896 * 109.47379 * 179.97438 * 12 11 10 14 14 C 1.46850 * 111.00472 * 170.00090 * 13 12 11 15 15 C 1.53036 * 109.52384 * 185.84130 * 14 13 12 16 16 C 1.53114 * 109.27799 * 300.81924 * 15 14 13 17 17 C 1.53004 * 109.52406 * 177.56115 * 16 15 14 18 18 C 1.50691 * 109.47370 * 174.99921 * 17 16 15 19 19 O 1.21285 * 120.00028 * 0.02562 * 18 17 16 20 20 N 1.34770 * 120.00400 * 180.02562 * 18 17 16 21 21 C 1.47023 * 125.64558 * 359.69219 * 20 18 17 22 22 C 1.54314 * 107.27814 * 180.97139 * 21 20 18 23 23 C 1.55151 * 102.86406 * 22.52311 * 22 21 20 24 24 C 1.47420 * 125.65276 * 180.02562 * 20 18 17 25 25 C 1.53120 * 109.16161 * 57.65854 * 16 15 14 26 26 C 1.46846 * 110.99998 * 294.21502 * 13 12 11 27 27 H 0.97003 * 119.99435 * 0.02562 * 1 2 3 28 28 H 1.08998 * 109.47487 * 60.00055 * 10 9 7 29 29 H 1.09004 * 109.46970 * 299.99810 * 10 9 7 30 30 H 1.08998 * 109.46739 * 59.99654 * 11 10 9 31 31 H 1.08993 * 109.46565 * 300.00157 * 11 10 9 32 32 H 1.09002 * 109.47096 * 59.99768 * 12 11 10 33 33 H 1.09004 * 109.47110 * 299.99954 * 12 11 10 34 34 H 1.08995 * 109.45831 * 65.81919 * 14 13 12 35 35 H 1.08998 * 109.45719 * 305.85769 * 14 13 12 36 36 H 1.09004 * 109.50109 * 60.76189 * 15 14 13 37 37 H 1.08997 * 109.49831 * 180.87683 * 15 14 13 38 38 H 1.09002 * 109.52325 * 297.75085 * 16 15 14 39 39 H 1.08994 * 109.46866 * 295.00291 * 17 16 15 40 40 H 1.09002 * 109.46744 * 55.00018 * 17 16 15 41 41 H 1.09000 * 109.88176 * 300.51223 * 21 20 18 42 42 H 1.09001 * 109.88572 * 61.67884 * 21 20 18 43 43 H 1.09003 * 110.92271 * 264.11253 * 22 21 20 44 44 H 1.08996 * 110.59489 * 140.78839 * 22 21 20 45 45 H 1.08997 * 111.00996 * 206.23201 * 23 22 21 46 46 H 1.08996 * 111.00595 * 82.38191 * 23 22 21 47 47 H 1.09006 * 110.36631 * 274.66765 * 24 20 18 48 48 H 1.08999 * 110.37354 * 36.88463 * 24 20 18 49 49 H 1.08998 * 109.50493 * 62.28140 * 25 16 15 50 50 H 1.09005 * 109.50270 * 182.40711 * 25 16 15 51 51 H 1.08993 * 109.46639 * 54.13954 * 26 13 12 52 52 H 1.09006 * 109.45299 * 294.16835 * 26 13 12 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3163 0.0000 0.0000 3 14 2.2503 1.6177 0.0000 4 1 2.4979 2.0464 -1.4000 5 1 1.4479 2.6526 0.7001 6 1 3.5479 1.4400 0.7000 7 6 2.0102 -1.2021 -0.0005 8 1 1.4701 -2.1374 -0.0005 9 16 3.7722 -1.2021 0.0001 10 6 4.0864 -2.9847 -0.0001 11 6 5.5956 -3.2366 -0.0002 12 6 5.8612 -4.7433 0.0002 13 7 7.3101 -4.9851 -0.0006 14 6 7.6071 -6.4034 0.2378 15 6 9.1195 -6.5931 0.3752 16 6 9.8072 -6.1169 -0.9072 17 6 11.3239 -6.2474 -0.7528 18 6 11.9936 -5.8955 -2.0560 19 8 11.3240 -5.5717 -3.0140 20 7 13.3368 -5.9406 -2.1572 21 6 14.2654 -6.3083 -1.0783 22 6 15.6957 -6.1954 -1.6464 23 6 15.5178 -5.2185 -2.8385 24 6 14.1186 -5.6226 -3.3659 25 6 9.4428 -4.6511 -1.1585 26 6 7.9210 -4.5176 -1.2514 27 1 -0.4849 0.8401 -0.0004 28 1 3.6438 -3.4315 -0.8904 29 1 3.6431 -3.4319 0.8896 30 1 6.0386 -2.7896 0.8897 31 1 6.0384 -2.7894 -0.8902 32 1 5.4181 -5.1906 -0.8896 33 1 5.4183 -5.1900 0.8904 34 1 7.2412 -6.9968 -0.6000 35 1 7.1156 -6.7281 1.1548 36 1 9.4839 -6.0107 1.2215 37 1 9.3406 -7.6481 0.5366 38 1 9.4721 -6.7248 -1.7476 39 1 11.6692 -5.5697 0.0278 40 1 11.5744 -7.2728 -0.4808 41 1 14.1441 -5.6268 -0.2364 42 1 14.0754 -7.3330 -0.7588 43 1 16.0548 -7.1647 -1.9924 44 1 16.3720 -5.7759 -0.9016 45 1 16.2837 -5.3832 -3.5963 46 1 15.5228 -4.1828 -2.4990 47 1 14.1948 -6.4989 -4.0098 48 1 13.6613 -4.7940 -3.9066 49 1 9.8123 -4.0382 -0.3364 50 1 9.8950 -4.3187 -2.0930 51 1 7.6575 -3.4729 -1.4160 52 1 7.5537 -5.1201 -2.0822 RHF calculation, no. of doubly occupied orbitals= 63 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC000074981699.mol2 52 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 06:09:26 Heat of formation + Delta-G solvation = -58.605808 kcal Electronic energy + Delta-G solvation = -26905.056504 eV Core-core repulsion = 23222.305778 eV Total energy + Delta-G solvation = -3682.750726 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.69 seconds Orbital eigenvalues (eV) -40.61786 -39.18385 -37.75667 -35.32700 -32.72905 -32.39512 -32.06766 -30.85691 -29.79570 -28.65224 -25.82991 -25.30213 -23.92637 -23.35488 -22.34378 -21.63955 -20.62313 -19.84240 -19.48276 -17.48523 -17.37781 -17.08641 -16.00842 -15.75177 -15.48894 -15.14473 -14.93514 -14.64489 -14.38725 -14.20419 -14.05556 -13.96037 -13.70556 -13.53633 -13.11349 -12.97826 -12.81879 -12.67770 -12.40441 -12.11109 -12.04437 -11.92833 -11.79194 -11.65852 -11.47225 -11.34637 -11.24351 -11.02370 -10.99983 -10.85219 -10.66186 -10.58771 -10.19919 -10.00888 -9.89544 -9.70332 -9.07962 -8.96280 -8.50398 -8.25718 -6.88713 -6.24321 -3.95846 2.31325 2.54847 3.05466 3.33855 3.49658 3.60312 3.88528 3.97733 3.98802 4.29550 4.35942 4.36769 4.48259 4.58677 4.67865 4.76726 4.80755 4.87115 5.00323 5.05904 5.14548 5.14742 5.15623 5.18397 5.27221 5.27863 5.30053 5.32780 5.39109 5.40543 5.51287 5.54899 5.56532 5.66295 5.70951 5.77115 5.81403 5.84970 5.90828 5.94313 5.98273 6.11933 6.19751 6.31120 6.35070 6.57064 6.72656 7.08764 7.16160 7.17826 7.83827 7.99535 8.48459 9.21851 10.85202 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.020913 B = 0.001697 C = 0.001611 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1338.582305 B =16497.639439 C =17378.881882 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.883 5.883 2 C 0.091 3.909 3 Si 0.862 3.138 4 H -0.269 1.269 5 H -0.276 1.276 6 H -0.237 1.237 7 C -0.502 4.502 8 H 0.087 0.913 9 S -0.216 6.216 10 C -0.082 4.082 11 C -0.097 4.097 12 C 0.060 3.940 13 N -0.538 5.538 14 C 0.057 3.943 15 C -0.110 4.110 16 C -0.073 4.073 17 C -0.130 4.130 18 C 0.528 3.472 19 O -0.531 6.531 20 N -0.625 5.625 21 C 0.099 3.901 22 C -0.133 4.133 23 C -0.135 4.135 24 C 0.103 3.897 25 C -0.114 4.114 26 C 0.054 3.946 27 H 0.270 0.730 28 H 0.064 0.936 29 H 0.067 0.933 30 H 0.074 0.926 31 H 0.066 0.934 32 H 0.032 0.968 33 H 0.074 0.926 34 H 0.030 0.970 35 H 0.074 0.926 36 H 0.072 0.928 37 H 0.064 0.936 38 H 0.074 0.926 39 H 0.094 0.906 40 H 0.091 0.909 41 H 0.070 0.930 42 H 0.069 0.931 43 H 0.077 0.923 44 H 0.083 0.917 45 H 0.084 0.916 46 H 0.077 0.923 47 H 0.066 0.934 48 H 0.079 0.921 49 H 0.064 0.936 50 H 0.082 0.918 51 H 0.081 0.919 52 H 0.031 0.969 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 34.388 -17.315 -1.205 38.520 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 N -0.520 5.520 2 C -0.117 4.117 3 Si 0.687 3.313 4 H -0.194 1.194 5 H -0.201 1.201 6 H -0.161 1.161 7 C -0.649 4.649 8 H 0.105 0.895 9 S 0.012 5.988 10 C -0.231 4.231 11 C -0.136 4.136 12 C -0.069 4.069 13 N -0.263 5.263 14 C -0.072 4.072 15 C -0.148 4.148 16 C -0.092 4.092 17 C -0.169 4.169 18 C 0.317 3.683 19 O -0.407 6.407 20 N -0.361 5.361 21 C -0.024 4.024 22 C -0.171 4.171 23 C -0.173 4.173 24 C -0.019 4.019 25 C -0.152 4.152 26 C -0.074 4.074 27 H 0.080 0.920 28 H 0.083 0.917 29 H 0.086 0.914 30 H 0.093 0.907 31 H 0.084 0.916 32 H 0.050 0.950 33 H 0.092 0.908 34 H 0.049 0.951 35 H 0.093 0.907 36 H 0.091 0.909 37 H 0.083 0.917 38 H 0.092 0.908 39 H 0.112 0.888 40 H 0.109 0.891 41 H 0.089 0.911 42 H 0.087 0.913 43 H 0.096 0.904 44 H 0.102 0.898 45 H 0.103 0.897 46 H 0.096 0.904 47 H 0.084 0.916 48 H 0.097 0.903 49 H 0.083 0.917 50 H 0.101 0.899 51 H 0.099 0.901 52 H 0.049 0.951 Dipole moment (debyes) X Y Z Total from point charges 34.668 -15.893 -1.325 38.161 hybrid contribution -1.079 -0.770 -0.641 1.473 sum 33.589 -16.664 -1.966 37.547 Atomic orbital electron populations 1.69943 1.05926 1.27641 1.48464 1.24797 0.94506 0.99001 0.93374 0.86666 0.81781 0.83193 0.79690 1.19406 1.20145 1.16127 1.22142 0.87202 0.97383 1.58195 0.89471 1.84151 1.11521 1.05602 1.97517 1.23022 0.97503 0.99006 1.03538 1.21340 0.94647 0.94385 1.03201 1.22133 0.86784 0.97230 1.00721 1.61942 1.11629 1.17443 1.35256 1.22031 0.95953 0.88632 1.00543 1.21638 0.94855 1.00565 0.97732 1.20990 0.91704 0.98248 0.98280 1.21733 0.96804 1.03351 0.95055 1.20530 0.80078 0.76880 0.90773 1.90708 1.62604 1.47334 1.40088 1.48611 1.05399 1.68867 1.13266 1.22053 0.89173 1.00603 0.90602 1.22642 0.95568 1.00492 0.98366 1.22798 0.96363 0.99967 0.98162 1.22216 0.90794 1.00916 0.88022 1.21750 0.95294 0.95275 1.02850 1.22131 0.94481 1.01040 0.89757 0.92036 0.91687 0.91411 0.90719 0.91577 0.94953 0.90792 0.95143 0.90741 0.90913 0.91745 0.90755 0.88790 0.89107 0.91136 0.91278 0.90420 0.89815 0.89706 0.90449 0.91555 0.90276 0.91706 0.89945 0.90099 0.95061 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 N -0.88 -27.26 13.97 55.49 0.78 -26.48 16 2 C 0.09 2.73 5.50 -17.43 -0.10 2.63 16 3 Si 0.86 22.04 27.74 -169.99 -4.71 17.33 16 4 H -0.27 -6.80 7.11 56.52 0.40 -6.40 16 5 H -0.28 -6.82 7.11 56.52 0.40 -6.42 16 6 H -0.24 -5.96 6.74 56.52 0.38 -5.58 16 7 C -0.50 -14.93 10.04 30.94 0.31 -14.62 16 8 H 0.09 2.75 8.03 -52.49 -0.42 2.33 16 9 S -0.22 -5.44 19.41 -107.50 -2.09 -7.52 16 10 C -0.08 -1.65 5.67 37.16 0.21 -1.44 16 11 C -0.10 -1.60 5.15 -26.73 -0.14 -1.73 16 12 C 0.06 0.84 4.96 -3.83 -0.02 0.82 16 13 N -0.54 -6.82 4.66 -234.68 -1.09 -7.91 16 14 C 0.06 0.59 5.46 -3.83 -0.02 0.57 16 15 C -0.11 -0.93 5.38 -26.65 -0.14 -1.07 16 16 C -0.07 -0.68 1.90 -90.50 -0.17 -0.86 16 17 C -0.13 -0.93 4.37 -27.89 -0.12 -1.06 16 18 C 0.53 5.11 7.58 -10.99 -0.08 5.03 16 19 O -0.53 -7.23 14.25 5.55 0.08 -7.15 16 20 N -0.63 -4.58 3.33 -170.54 -0.57 -5.15 16 21 C 0.10 0.40 6.48 -3.07 -0.02 0.38 16 22 C -0.13 -0.35 6.95 -24.90 -0.17 -0.53 16 23 C -0.13 -0.49 7.08 -24.59 -0.17 -0.67 16 24 C 0.10 0.66 6.91 -2.54 -0.02 0.65 16 25 C -0.11 -1.29 5.09 -26.65 -0.14 -1.42 16 26 C 0.05 0.68 5.29 -3.83 -0.02 0.66 16 27 H 0.27 7.72 8.31 -40.82 -0.34 7.38 16 28 H 0.06 1.32 8.14 -51.92 -0.42 0.90 16 29 H 0.07 1.36 8.14 -51.91 -0.42 0.94 16 30 H 0.07 1.27 8.14 -51.93 -0.42 0.84 16 31 H 0.07 1.10 6.43 -51.93 -0.33 0.77 16 32 H 0.03 0.45 8.12 -51.93 -0.42 0.03 16 33 H 0.07 0.98 7.99 -51.93 -0.41 0.57 16 34 H 0.03 0.33 8.14 -51.93 -0.42 -0.10 16 35 H 0.07 0.73 8.02 -51.93 -0.42 0.31 16 36 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 37 H 0.06 0.43 8.14 -51.93 -0.42 0.01 16 38 H 0.07 0.81 7.95 -51.93 -0.41 0.40 16 39 H 0.09 0.57 8.14 -51.93 -0.42 0.15 16 40 H 0.09 0.48 8.14 -51.93 -0.42 0.06 16 41 H 0.07 0.24 8.14 -51.93 -0.42 -0.18 16 42 H 0.07 0.21 8.14 -51.93 -0.42 -0.21 16 43 H 0.08 0.17 8.14 -51.93 -0.42 -0.26 16 44 H 0.08 0.13 8.14 -51.93 -0.42 -0.29 16 45 H 0.08 0.20 8.14 -51.93 -0.42 -0.22 16 46 H 0.08 0.30 8.14 -51.93 -0.42 -0.12 16 47 H 0.07 0.41 8.14 -51.93 -0.42 -0.01 16 48 H 0.08 0.62 8.03 -51.93 -0.42 0.21 16 49 H 0.06 0.73 8.14 -51.93 -0.42 0.30 16 50 H 0.08 1.06 6.04 -51.93 -0.31 0.74 16 51 H 0.08 1.10 6.21 -51.93 -0.32 0.78 16 52 H 0.03 0.42 8.14 -51.93 -0.42 -0.01 16 LS Contribution 411.66 15.07 6.20 6.20 Total: -1.00 -34.17 411.66 -12.03 -46.20 By element: Atomic # 1 Polarization: 6.96 SS G_CDS: -9.82 Total: -2.86 kcal Atomic # 6 Polarization: -11.85 SS G_CDS: -0.81 Total: -12.66 kcal Atomic # 7 Polarization: -38.66 SS G_CDS: -0.89 Total: -39.54 kcal Atomic # 8 Polarization: -7.23 SS G_CDS: 0.08 Total: -7.15 kcal Atomic # 14 Polarization: 22.04 SS G_CDS: -4.71 Total: 17.33 kcal Atomic # 16 Polarization: -5.44 SS G_CDS: -2.09 Total: -7.52 kcal Total LS contribution 6.20 Total: 6.20 kcal Total: -34.17 -12.03 -46.20 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. ZINC000074981699.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 -12.404 kcal (2) G-P(sol) polarization free energy of solvation -34.168 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -46.572 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -12.034 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -46.202 kcal (6) G-S(sol) free energy of system = (1) + (5) -58.606 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.69 seconds