Wall clock time and date at job start Wed Apr 1 2020 00:19:44 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 1.42903 * 1 3 3 C 1.42901 * 114.00259 * 2 1 4 4 C 1.53000 * 109.47126 * 179.97438 * 3 2 1 5 5 C 1.53002 * 109.46669 * 180.02562 * 4 3 2 6 6 C 1.53000 * 109.46669 * 179.97438 * 5 4 3 7 7 C 1.50705 * 109.46807 * 179.97438 * 6 5 4 8 8 O 1.21280 * 120.00124 * 0.02562 * 7 6 5 9 9 N 1.34780 * 119.99783 * 179.97438 * 7 6 5 10 10 C 1.47166 * 121.05963 * 0.02562 * 9 7 6 11 11 C 1.53286 * 108.54059 * 128.86012 * 10 9 7 12 12 H 1.09003 * 109.50868 * 292.95798 * 11 10 9 13 13 C 1.53003 * 109.55055 * 172.84041 * 11 10 9 14 14 O 1.43093 * 109.23050 * 52.88974 * 11 10 9 15 15 C 1.42069 * 114.33034 * 298.83179 * 14 11 10 16 16 C 1.54507 * 110.33829 * 298.05517 * 15 14 11 17 17 C 1.55021 * 101.52142 * 276.06209 * 16 15 14 18 18 N 1.47486 * 104.89963 * 323.62202 * 17 16 15 19 19 C 1.36936 * 125.66009 * 203.75549 * 18 17 16 20 20 H 1.08004 * 119.99642 * 180.02562 * 19 18 17 21 21 C 1.38811 * 120.00613 * 0.02787 * 19 18 17 22 22 N 1.31620 * 119.99672 * 359.97438 * 21 19 18 23 23 Si 1.86799 * 120.00440 * 179.97438 * 21 19 18 24 24 H 1.48502 * 109.46807 * 59.99590 * 23 21 19 25 25 H 1.48494 * 109.46963 * 179.97438 * 23 21 19 26 26 H 1.48497 * 109.46971 * 300.00068 * 23 21 19 27 27 C 1.47187 * 108.67410 * 24.01852 * 18 17 16 28 28 C 1.47301 * 121.06036 * 179.97438 * 9 7 6 29 29 H 1.09004 * 109.46961 * 179.97438 * 1 2 3 30 30 H 1.08994 * 109.47150 * 300.00575 * 1 2 3 31 31 H 1.09000 * 109.46365 * 60.00553 * 1 2 3 32 32 H 1.09000 * 109.46532 * 59.99554 * 3 2 1 33 33 H 1.08997 * 109.47037 * 299.99548 * 3 2 1 34 34 H 1.08996 * 109.47512 * 59.99954 * 4 3 2 35 35 H 1.09008 * 109.46851 * 299.99373 * 4 3 2 36 36 H 1.08996 * 109.47403 * 59.99627 * 5 4 3 37 37 H 1.08997 * 109.47054 * 299.99537 * 5 4 3 38 38 H 1.08996 * 109.47512 * 59.99694 * 6 5 4 39 39 H 1.08999 * 109.47144 * 299.99055 * 6 5 4 40 40 H 1.08989 * 109.62567 * 9.14048 * 10 9 7 41 41 H 1.09001 * 109.77872 * 248.66154 * 10 9 7 42 42 H 1.09000 * 109.47093 * 300.22079 * 13 11 10 43 43 H 1.09001 * 109.47073 * 60.22104 * 13 11 10 44 44 H 1.08993 * 109.47141 * 180.22256 * 13 11 10 45 45 H 1.08997 * 111.01659 * 158.00471 * 16 15 14 46 46 H 1.08998 * 111.05101 * 34.13579 * 16 15 14 47 47 H 1.09003 * 110.35482 * 204.76577 * 17 16 15 48 48 H 1.09000 * 110.35770 * 82.47947 * 17 16 15 49 49 H 0.97001 * 119.99924 * 180.02562 * 22 21 19 50 50 H 1.08998 * 109.90703 * 117.86416 * 27 18 17 51 51 H 1.09002 * 109.91041 * 239.13228 * 27 18 17 52 52 H 1.09002 * 109.67499 * 109.68468 * 28 9 7 53 53 H 1.09001 * 109.67991 * 349.14554 * 28 9 7 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 1.4290 0.0000 0.0000 3 6 2.0103 1.3054 0.0000 4 6 3.5355 1.1846 0.0006 5 6 4.1578 2.5823 0.0013 6 6 5.6830 2.4614 0.0026 7 6 6.2960 3.8382 0.0026 8 8 5.5831 4.8194 0.0021 9 7 7.6364 3.9791 0.0041 10 6 8.5233 2.8046 0.0053 11 6 9.5460 2.9650 -1.1252 12 1 9.0366 2.9105 -2.0873 13 6 10.5883 1.8486 -1.0349 14 8 10.1935 4.2348 -0.9983 15 6 9.3186 5.3501 -1.0937 16 6 8.6411 5.3839 -2.4819 17 6 9.7184 6.1015 -3.3348 18 7 10.3096 7.1066 -2.4317 19 6 10.9480 8.2534 -2.8221 20 1 11.3486 8.9278 -2.0798 21 6 11.0801 8.5492 -4.1719 22 7 10.5922 7.7271 -5.0766 23 14 11.9503 10.1140 -4.7044 24 1 13.3476 10.0988 -4.2020 25 1 11.9586 10.1956 -6.1871 26 1 11.2368 11.2912 -4.1474 27 6 10.1051 6.6691 -1.0413 28 6 8.2604 5.3134 0.0036 29 1 -0.3633 -1.0277 -0.0005 30 1 -0.3633 0.5139 0.8899 31 1 -0.3632 0.5138 -0.8901 32 1 1.6886 1.8463 0.8900 33 1 1.6888 1.8463 -0.8900 34 1 3.8576 0.6435 -0.8890 35 1 3.8568 0.6438 0.8910 36 1 3.8358 3.1230 0.8912 37 1 3.8366 3.1234 -0.8887 38 1 6.0054 1.9206 -0.8871 39 1 6.0039 1.9206 0.8929 40 1 7.9352 1.9017 -0.1584 41 1 9.0423 2.7353 0.9613 42 1 11.0960 1.9026 -0.0718 43 1 10.0944 0.8818 -1.1316 44 1 11.3170 1.9662 -1.8368 45 1 7.7174 5.9618 -2.4521 46 1 8.4570 4.3755 -2.8524 47 1 9.2587 6.5885 -4.1949 48 1 10.4783 5.3917 -3.6614 49 1 10.6848 7.9336 -6.0198 50 1 11.0684 6.5079 -0.5575 51 1 9.5339 7.4204 -0.4959 52 1 8.7278 5.5003 0.9704 53 1 7.5030 6.0727 -0.1914 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 ZINC001131642636.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 00:19:44 Heat of formation + Delta-G solvation = -100.255710 kcal Electronic energy + Delta-G solvation = -31010.960862 eV Core-core repulsion = 26883.651190 eV Total energy + Delta-G solvation = -4127.309672 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.21 seconds Orbital eigenvalues (eV) -40.66088 -38.94100 -38.28013 -36.37319 -35.06408 -34.62293 -33.11650 -31.35180 -30.52360 -29.21371 -28.46825 -26.96150 -26.52294 -25.65780 -24.23948 -23.19588 -21.96283 -21.48822 -20.15294 -19.59417 -18.87015 -17.21317 -17.04796 -16.74133 -16.70590 -16.44719 -15.95656 -15.78641 -15.24818 -14.91333 -14.61979 -14.46483 -14.32592 -13.93911 -13.56216 -13.38581 -13.08165 -12.92255 -12.72068 -12.51522 -12.38001 -12.29196 -12.06409 -11.93466 -11.82045 -11.72543 -11.61876 -11.53121 -11.24968 -11.03135 -10.95029 -10.91927 -10.84398 -10.49160 -10.26237 -10.09463 -10.03401 -10.01216 -9.71406 -9.59111 -9.48428 -8.62064 -8.36455 -6.81521 -5.62376 -3.03987 2.58965 2.83166 3.38752 3.43197 3.46760 3.48415 3.82056 4.35323 4.50612 4.55313 4.58525 4.65234 4.82717 4.88662 4.90421 4.98336 4.99363 5.04499 5.07316 5.13011 5.16619 5.26048 5.28651 5.37188 5.39147 5.43396 5.49154 5.52362 5.53442 5.58761 5.60084 5.76037 5.84693 5.92524 5.93708 5.97026 6.04467 6.12829 6.23635 6.35173 6.53627 6.54710 6.61066 6.69611 6.78091 7.33710 7.55090 7.62286 7.66287 7.87605 8.12726 8.37267 9.24020 9.84469 10.49541 11.41803 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.016391 B = 0.002268 C = 0.002127 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1707.792983 B =12345.227696 C =13162.723440 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.032 3.968 2 O -0.395 6.395 3 C 0.060 3.940 4 C -0.118 4.118 5 C -0.102 4.102 6 C -0.138 4.138 7 C 0.515 3.485 8 O -0.539 6.539 9 N -0.612 5.612 10 C 0.079 3.921 11 C 0.068 3.932 12 H 0.067 0.933 13 C -0.142 4.142 14 O -0.352 6.352 15 C 0.096 3.904 16 C -0.165 4.165 17 C 0.161 3.839 18 N -0.601 5.601 19 C -0.221 4.221 20 H 0.078 0.922 21 C -0.012 4.012 22 N -0.923 5.923 23 Si 0.916 3.084 24 H -0.285 1.285 25 H -0.290 1.290 26 H -0.285 1.285 27 C 0.154 3.846 28 C 0.098 3.902 29 H 0.085 0.915 30 H 0.041 0.959 31 H 0.041 0.959 32 H 0.050 0.950 33 H 0.051 0.949 34 H 0.072 0.928 35 H 0.071 0.929 36 H 0.072 0.928 37 H 0.073 0.927 38 H 0.094 0.906 39 H 0.093 0.907 40 H 0.091 0.909 41 H 0.077 0.923 42 H 0.064 0.936 43 H 0.069 0.931 44 H 0.070 0.930 45 H 0.068 0.932 46 H 0.059 0.941 47 H 0.105 0.895 48 H 0.014 0.986 49 H 0.252 0.748 50 H 0.036 0.964 51 H 0.039 0.961 52 H 0.070 0.930 53 H 0.102 0.898 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.091 -17.967 11.794 25.165 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 -0.314 6.314 3 C -0.017 4.017 4 C -0.156 4.156 5 C -0.140 4.140 6 C -0.177 4.177 7 C 0.303 3.697 8 O -0.416 6.416 9 N -0.346 5.346 10 C -0.045 4.045 11 C 0.009 3.991 12 H 0.085 0.915 13 C -0.199 4.199 14 O -0.271 6.271 15 C 0.055 3.945 16 C -0.203 4.203 17 C 0.036 3.964 18 N -0.328 5.328 19 C -0.349 4.349 20 H 0.096 0.904 21 C -0.207 4.207 22 N -0.571 5.571 23 Si 0.747 3.253 24 H -0.212 1.212 25 H -0.216 1.216 26 H -0.211 1.211 27 C 0.027 3.973 28 C -0.025 4.025 29 H 0.103 0.897 30 H 0.059 0.941 31 H 0.060 0.940 32 H 0.068 0.932 33 H 0.069 0.931 34 H 0.091 0.909 35 H 0.090 0.910 36 H 0.091 0.909 37 H 0.092 0.908 38 H 0.113 0.887 39 H 0.111 0.889 40 H 0.109 0.891 41 H 0.095 0.905 42 H 0.083 0.917 43 H 0.088 0.912 44 H 0.089 0.911 45 H 0.086 0.914 46 H 0.078 0.922 47 H 0.123 0.877 48 H 0.032 0.968 49 H 0.063 0.937 50 H 0.054 0.946 51 H 0.057 0.943 52 H 0.089 0.911 53 H 0.121 0.879 Dipole moment (debyes) X Y Z Total from point charges -13.114 -17.460 11.627 24.739 hybrid contribution 0.118 0.843 -0.302 0.903 sum -12.996 -16.617 11.325 23.943 Atomic orbital electron populations 1.22738 0.81002 1.02710 1.00059 1.87856 1.19762 1.28332 1.95467 1.22566 0.94187 0.84451 1.00481 1.21529 0.93064 0.97569 1.03414 1.21245 0.92774 0.95964 1.04029 1.21668 0.96865 0.94848 1.04365 1.20663 0.81453 0.91741 0.75820 1.90705 1.60237 1.40881 1.49774 1.48209 1.05446 1.07472 1.73484 1.22512 0.93021 0.88452 1.00501 1.22460 0.93675 0.85789 0.97180 0.91531 1.21701 0.98878 0.95813 1.03524 1.87913 1.33739 1.12343 1.93139 1.22275 0.89924 0.87897 0.94365 1.23496 1.00354 1.00484 0.96009 1.21879 0.91337 0.89566 0.93632 1.44494 1.66802 1.22571 0.98893 1.19025 1.28442 0.96121 0.91353 0.90419 1.24792 1.01383 0.98924 0.95622 1.69800 1.50533 1.36664 1.00123 0.86125 0.79295 0.82549 0.77362 1.21210 1.21610 1.21146 1.21055 0.96921 0.89628 0.89662 1.22179 0.96419 0.84609 0.99253 0.89659 0.94077 0.94020 0.93192 0.93080 0.90926 0.91043 0.90946 0.90783 0.88746 0.88857 0.89123 0.90512 0.91740 0.91198 0.91132 0.91380 0.92208 0.87733 0.96793 0.93713 0.94568 0.94308 0.91132 0.87931 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 0.20 11.01 101.05 1.11 1.31 16 2 O -0.40 -3.68 10.70 -35.23 -0.38 -4.06 16 3 C 0.06 0.48 5.94 37.16 0.22 0.70 16 4 C -0.12 -0.89 5.58 -26.73 -0.15 -1.04 16 5 C -0.10 -0.91 4.50 -26.73 -0.12 -1.03 16 6 C -0.14 -1.21 4.07 -27.88 -0.11 -1.32 16 7 C 0.51 6.87 7.71 -10.98 -0.08 6.78 16 8 O -0.54 -9.26 15.47 5.56 0.09 -9.18 16 9 N -0.61 -8.13 2.91 -172.64 -0.50 -8.63 16 10 C 0.08 0.81 5.82 -3.53 -0.02 0.79 16 11 C 0.07 0.87 3.17 -26.58 -0.08 0.78 16 12 H 0.07 0.91 6.13 -51.93 -0.32 0.59 16 13 C -0.14 -1.42 9.57 37.16 0.36 -1.06 16 14 O -0.35 -6.16 9.87 -35.23 -0.35 -6.51 16 15 C 0.10 1.76 0.83 -89.75 -0.07 1.68 16 16 C -0.16 -3.31 5.91 -24.87 -0.15 -3.46 16 17 C 0.16 4.05 5.88 -2.44 -0.01 4.03 16 18 N -0.60 -15.84 3.40 -170.23 -0.58 -16.42 16 19 C -0.22 -6.28 10.28 -15.06 -0.15 -6.43 16 20 H 0.08 2.11 7.83 -52.48 -0.41 1.70 16 21 C -0.01 -0.34 5.49 -17.43 -0.10 -0.43 16 22 N -0.92 -27.37 10.10 55.49 0.56 -26.81 16 23 Si 0.92 22.40 29.55 -169.99 -5.02 17.37 16 24 H -0.29 -6.88 7.11 56.52 0.40 -6.48 16 25 H -0.29 -7.13 7.11 56.52 0.40 -6.73 16 26 H -0.28 -6.85 7.11 56.52 0.40 -6.45 16 27 C 0.15 3.32 6.61 -3.33 -0.02 3.30 16 28 C 0.10 1.55 5.16 -3.87 -0.02 1.53 16 29 H 0.08 0.42 8.14 -51.93 -0.42 0.00 16 30 H 0.04 0.22 8.14 -51.93 -0.42 -0.20 16 31 H 0.04 0.23 8.14 -51.93 -0.42 -0.19 16 32 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 33 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 34 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 35 H 0.07 0.51 8.14 -51.92 -0.42 0.08 16 36 H 0.07 0.69 8.10 -51.93 -0.42 0.27 16 37 H 0.07 0.75 8.10 -51.93 -0.42 0.33 16 38 H 0.09 0.70 7.67 -51.93 -0.40 0.30 16 39 H 0.09 0.63 8.01 -51.93 -0.42 0.21 16 40 H 0.09 0.65 6.05 -51.94 -0.31 0.34 16 41 H 0.08 0.73 8.14 -51.93 -0.42 0.31 16 42 H 0.06 0.62 8.14 -51.93 -0.42 0.19 16 43 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 44 H 0.07 0.80 8.14 -51.93 -0.42 0.38 16 45 H 0.07 1.41 7.86 -51.93 -0.41 1.00 16 46 H 0.06 1.10 5.98 -51.93 -0.31 0.79 16 47 H 0.10 2.95 5.90 -51.93 -0.31 2.64 16 48 H 0.01 0.38 8.14 -51.93 -0.42 -0.04 16 49 H 0.25 7.26 8.31 -40.82 -0.34 6.92 16 50 H 0.04 0.80 8.06 -51.93 -0.42 0.38 16 51 H 0.04 0.81 7.79 -51.93 -0.40 0.40 16 52 H 0.07 1.03 8.14 -51.93 -0.42 0.61 16 53 H 0.10 1.79 6.89 -51.93 -0.36 1.43 16 LS Contribution 409.40 15.07 6.17 6.17 Total: -1.00 -34.04 409.40 -8.96 -43.01 By element: Atomic # 1 Polarization: 8.45 SS G_CDS: -9.54 Total: -1.09 kcal Atomic # 6 Polarization: 5.55 SS G_CDS: 0.59 Total: 6.14 kcal Atomic # 7 Polarization: -51.33 SS G_CDS: -0.52 Total: -51.86 kcal Atomic # 8 Polarization: -19.10 SS G_CDS: -0.64 Total: -19.74 kcal Atomic # 14 Polarization: 22.40 SS G_CDS: -5.02 Total: 17.37 kcal Total LS contribution 6.17 Total: 6.17 kcal Total: -34.04 -8.96 -43.01 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. ZINC001131642636.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 -57.249 kcal (2) G-P(sol) polarization free energy of solvation -34.043 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -91.293 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.963 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.006 kcal (6) G-S(sol) free energy of system = (1) + (5) -100.256 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.21 seconds