Wall clock time and date at job start Sat Apr 11 2020 06:11:03 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 1.53006 * 1 3 3 C 1.53002 * 109.46787 * 2 1 4 4 H 1.08997 * 109.47238 * 56.98321 * 3 2 1 5 5 O 1.42897 * 109.47164 * 296.97986 * 3 2 1 6 6 C 1.42911 * 113.99596 * 151.48202 * 5 3 2 7 7 C 1.50705 * 109.46557 * 176.98266 * 3 2 1 8 8 O 1.21288 * 119.99816 * 120.00615 * 7 3 2 9 9 N 1.34771 * 120.00282 * 299.99826 * 7 3 2 10 10 C 1.46497 * 120.00421 * 180.02562 * 9 7 3 11 11 C 1.52992 * 109.47481 * 180.02562 * 10 9 7 12 12 H 1.09003 * 110.41591 * 304.14925 * 11 10 9 13 13 C 1.54609 * 110.37208 * 181.85191 * 11 10 9 14 14 C 1.53991 * 103.89187 * 217.27149 * 13 11 10 15 15 C 1.53979 * 104.57006 * 0.14391 * 14 13 11 16 16 O 1.44471 * 110.37052 * 66.45060 * 11 10 9 17 17 C 1.52408 * 110.28063 * 241.63183 * 14 13 11 18 18 C 1.53283 * 109.44034 * 297.23082 * 17 14 13 19 19 N 1.46930 * 108.85248 * 306.24676 * 18 17 14 20 20 C 1.36937 * 120.59734 * 234.26720 * 19 18 17 21 21 H 1.07998 * 120.00306 * 148.73298 * 20 19 18 22 22 C 1.38811 * 119.99792 * 328.73536 * 20 19 18 23 23 N 1.31625 * 119.99845 * 161.72048 * 22 20 19 24 24 Si 1.86801 * 120.00537 * 341.72069 * 22 20 19 25 25 H 1.48502 * 109.46820 * 91.33723 * 24 22 20 26 26 H 1.48488 * 109.47464 * 211.33781 * 24 22 20 27 27 H 1.48500 * 109.46907 * 331.34057 * 24 22 20 28 28 C 1.47230 * 118.61058 * 54.13810 * 19 18 17 29 29 C 1.52409 * 110.27676 * 118.65348 * 14 13 11 30 30 H 1.08995 * 109.47238 * 65.26807 * 1 2 3 31 31 H 1.09000 * 109.46810 * 185.26815 * 1 2 3 32 32 H 1.09001 * 109.46496 * 305.26653 * 1 2 3 33 33 H 1.09003 * 109.46952 * 240.00233 * 2 1 3 34 34 H 1.08991 * 109.47226 * 119.99953 * 2 1 3 35 35 H 1.08999 * 109.46728 * 183.86093 * 6 5 3 36 36 H 1.08999 * 109.47144 * 303.85807 * 6 5 3 37 37 H 1.08992 * 109.47134 * 63.85985 * 6 5 3 38 38 H 0.97003 * 119.99546 * 0.02562 * 9 7 3 39 39 H 1.09001 * 109.46972 * 59.99577 * 10 9 7 40 40 H 1.08997 * 109.46960 * 300.00073 * 10 9 7 41 41 H 1.08997 * 110.54949 * 98.66629 * 13 11 10 42 42 H 1.09010 * 110.54212 * 335.86805 * 13 11 10 43 43 H 1.09000 * 110.39498 * 142.42437 * 15 14 13 44 44 H 1.09004 * 110.39309 * 264.81406 * 15 14 13 45 45 H 1.08993 * 109.47396 * 177.23903 * 17 14 13 46 46 H 1.09000 * 109.47729 * 57.22404 * 17 14 13 47 47 H 1.08995 * 109.59778 * 66.09874 * 18 17 14 48 48 H 1.09003 * 109.59051 * 186.40577 * 18 17 14 49 49 H 0.96998 * 119.99735 * 179.97438 * 23 22 20 50 50 H 1.09003 * 109.53637 * 186.09332 * 28 19 18 51 51 H 1.09000 * 109.69396 * 65.76724 * 28 19 18 52 52 H 1.09006 * 109.47000 * 182.75927 * 29 14 13 53 53 H 1.08995 * 109.47716 * 302.76694 * 29 14 13 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 1.5301 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 1 1.6332 1.9717 0.8617 5 8 1.6225 2.0954 -1.2006 6 6 1.4530 3.5079 -1.0653 7 6 3.5452 1.4431 0.0748 8 8 4.1962 1.9526 -0.8127 9 7 4.1678 0.8777 1.1278 10 6 5.6310 0.8788 1.2009 11 6 6.0780 0.1792 2.4859 12 1 5.6199 0.6513 3.3550 13 6 7.6191 0.2094 2.6070 14 6 7.9685 -1.1587 3.2215 15 6 6.6102 -1.8617 3.3995 16 8 5.7385 -1.2243 2.4387 17 6 8.6475 -0.9727 4.5733 18 6 9.9700 -0.2220 4.3809 19 7 10.7764 -0.9302 3.3774 20 6 12.0568 -1.3228 3.6629 21 1 12.4624 -2.2145 3.2081 22 6 12.8336 -0.5747 4.5369 23 7 13.8999 -1.1100 5.0926 24 14 12.3656 1.1917 4.9245 25 1 11.4858 1.2196 6.1205 26 1 13.5937 1.9813 5.1949 27 1 11.6450 1.7784 3.7661 28 6 10.1777 -1.2106 2.0619 29 6 8.8538 -1.9546 2.2698 30 1 -0.3633 0.4299 -0.9334 31 1 -0.3633 -1.0233 0.0944 32 1 -0.3632 0.5934 0.8391 33 1 1.8934 -0.5138 -0.8900 34 1 1.8934 -0.5138 0.8899 35 1 1.0699 3.9189 -1.9994 36 1 0.7466 3.7137 -0.2611 37 1 2.4130 3.9684 -0.8324 38 1 3.6471 0.4700 1.8375 39 1 5.9940 1.9065 1.2010 40 1 6.0381 0.3499 0.3392 41 1 7.9353 1.0171 3.2669 42 1 8.0780 0.3155 1.6239 43 1 6.7018 -2.9258 3.1818 44 1 6.2344 -1.7112 4.4116 45 1 8.8446 -1.9480 5.0182 46 1 7.9957 -0.3980 5.2313 47 1 9.7679 0.7926 4.0377 48 1 10.5113 -0.1871 5.3264 49 1 14.4429 -0.5871 5.7031 50 1 10.8572 -1.8302 1.4767 51 1 9.9920 -0.2742 1.5357 52 1 9.0526 -2.9382 2.6955 53 1 8.3467 -2.0690 1.3118 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 ZINC001500011534.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 06:11:03 Heat of formation + Delta-G solvation = -112.927501 kcal Electronic energy + Delta-G solvation = -31076.896982 eV Core-core repulsion = 26949.037819 eV Total energy + Delta-G solvation = -4127.859163 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.84 seconds Orbital eigenvalues (eV) -40.61586 -40.09429 -37.84515 -37.03411 -35.06123 -33.92623 -33.40708 -31.34466 -30.89878 -30.52093 -28.37976 -27.09426 -26.65115 -25.22336 -23.72188 -22.89514 -22.50248 -21.58014 -21.11384 -20.61478 -18.51336 -17.93089 -17.40222 -16.85762 -16.55181 -15.80997 -15.66868 -15.47447 -15.24905 -15.16266 -14.67929 -14.53728 -14.36733 -14.32258 -13.75513 -13.73477 -13.60521 -13.13227 -12.91370 -12.82689 -12.57326 -12.40851 -12.28949 -12.24910 -11.93026 -11.81420 -11.56301 -11.49335 -11.21226 -11.17634 -11.10896 -10.89478 -10.81657 -10.69049 -10.49354 -10.11610 -9.98403 -9.76561 -9.56349 -9.52077 -9.47436 -9.31209 -8.62642 -6.93141 -5.97411 -3.36779 2.32973 2.78223 3.27840 3.39169 3.45071 3.47909 3.75441 4.31463 4.42696 4.47034 4.50056 4.50491 4.72469 4.82718 4.85942 4.91159 4.92384 4.99438 5.02571 5.07353 5.10954 5.27504 5.31288 5.38290 5.38870 5.40891 5.51885 5.55343 5.58948 5.65597 5.72084 5.77524 5.81782 5.85168 5.89658 6.00389 6.03640 6.13234 6.16470 6.29760 6.40452 6.44658 6.59637 6.61925 6.64954 6.65675 6.79165 6.93999 7.23078 7.96480 7.97894 8.32396 8.92784 9.69558 10.09719 11.18779 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.022793 B = 0.002272 C = 0.002173 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1228.156146 B =12323.496206 C =12882.953303 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.148 4.148 2 C -0.117 4.117 3 C 0.075 3.925 4 H 0.086 0.914 5 O -0.356 6.356 6 C 0.029 3.971 7 C 0.487 3.513 8 O -0.527 6.527 9 N -0.722 5.722 10 C 0.127 3.873 11 C 0.063 3.937 12 H 0.072 0.928 13 C -0.138 4.138 14 C -0.077 4.077 15 C 0.054 3.946 16 O -0.372 6.372 17 C -0.122 4.122 18 C 0.127 3.873 19 N -0.605 5.605 20 C -0.259 4.259 21 H 0.083 0.917 22 C 0.024 3.976 23 N -0.910 5.910 24 Si 0.885 3.115 25 H -0.288 1.288 26 H -0.303 1.303 27 H -0.271 1.271 28 C 0.147 3.853 29 C -0.119 4.119 30 H 0.063 0.937 31 H 0.060 0.940 32 H 0.053 0.947 33 H 0.078 0.922 34 H 0.082 0.918 35 H 0.089 0.911 36 H 0.041 0.959 37 H 0.047 0.953 38 H 0.402 0.598 39 H 0.081 0.919 40 H 0.078 0.922 41 H 0.081 0.919 42 H 0.083 0.917 43 H 0.091 0.909 44 H 0.058 0.942 45 H 0.068 0.932 46 H 0.053 0.947 47 H 0.024 0.976 48 H 0.071 0.929 49 H 0.263 0.737 50 H 0.063 0.937 51 H 0.023 0.977 52 H 0.064 0.936 53 H 0.058 0.942 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -27.753 4.169 -5.438 28.586 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 -0.155 4.155 3 C 0.013 3.987 4 H 0.104 0.896 5 O -0.273 6.273 6 C -0.068 4.068 7 C 0.272 3.728 8 O -0.403 6.403 9 N -0.376 5.376 10 C 0.003 3.997 11 C 0.005 3.995 12 H 0.089 0.911 13 C -0.176 4.176 14 C -0.077 4.077 15 C -0.023 4.023 16 O -0.291 6.291 17 C -0.161 4.161 18 C 0.001 3.999 19 N -0.329 5.329 20 C -0.387 4.387 21 H 0.101 0.899 22 C -0.175 4.175 23 N -0.553 5.553 24 Si 0.715 3.285 25 H -0.216 1.216 26 H -0.231 1.231 27 H -0.196 1.196 28 C 0.021 3.979 29 C -0.158 4.158 30 H 0.082 0.918 31 H 0.079 0.921 32 H 0.072 0.928 33 H 0.097 0.903 34 H 0.101 0.899 35 H 0.108 0.892 36 H 0.060 0.940 37 H 0.065 0.935 38 H 0.237 0.763 39 H 0.099 0.901 40 H 0.097 0.903 41 H 0.100 0.900 42 H 0.102 0.898 43 H 0.110 0.890 44 H 0.076 0.924 45 H 0.086 0.914 46 H 0.072 0.928 47 H 0.042 0.958 48 H 0.089 0.911 49 H 0.072 0.928 50 H 0.081 0.919 51 H 0.041 0.959 52 H 0.082 0.918 53 H 0.077 0.923 Dipole moment (debyes) X Y Z Total from point charges -27.295 4.371 -6.328 28.358 hybrid contribution -0.057 1.110 1.163 1.608 sum -27.352 5.480 -5.166 28.370 Atomic orbital electron populations 1.21713 0.94326 1.02046 1.02475 1.21607 0.97396 0.92665 1.03838 1.22138 0.90332 0.96411 0.89771 0.89594 1.87986 1.86957 1.20381 1.31996 1.22872 1.00300 0.81199 1.02401 1.21450 0.91159 0.78364 0.81854 1.90729 1.67228 1.44545 1.37761 1.46001 1.07743 1.59664 1.24222 1.21488 0.79713 1.00701 0.97756 1.23256 0.95880 0.83708 0.96630 0.91063 1.23030 0.93273 0.98395 1.02917 1.21352 0.94923 0.94429 0.97046 1.23573 0.88540 0.98003 0.92147 1.89110 1.59977 1.18503 1.61533 1.21977 0.97917 1.01816 0.94374 1.21363 0.90891 0.93646 0.93993 1.44375 1.11972 1.67913 1.08594 1.18898 0.87340 1.06314 1.26184 0.89913 1.25383 0.95571 0.97849 0.98673 1.69817 1.18138 1.36404 1.30892 0.86897 0.76335 0.87177 0.78045 1.21615 1.23149 1.19569 1.21030 0.92417 0.96724 0.87740 1.21945 0.96959 0.99198 0.97686 0.91768 0.92126 0.92764 0.90280 0.89919 0.89227 0.94014 0.93476 0.76306 0.90121 0.90343 0.90013 0.89830 0.89049 0.92388 0.91369 0.92789 0.95799 0.91061 0.92762 0.91887 0.95873 0.91762 0.92309 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. 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 -0.83 9.73 37.16 0.36 -0.47 16 2 C -0.12 -0.81 5.58 -26.73 -0.15 -0.96 16 3 C 0.08 0.64 2.54 -27.88 -0.07 0.56 16 4 H 0.09 0.51 7.75 -51.93 -0.40 0.11 16 5 O -0.36 -3.68 9.45 -55.14 -0.52 -4.20 16 6 C 0.03 0.22 10.77 101.05 1.09 1.31 16 7 C 0.49 5.53 7.17 -10.99 -0.08 5.45 16 8 O -0.53 -8.33 16.31 -14.36 -0.23 -8.56 16 9 N -0.72 -6.88 5.41 -60.30 -0.33 -7.21 16 10 C 0.13 1.39 5.28 -4.05 -0.02 1.37 16 11 C 0.06 0.68 3.34 -25.89 -0.09 0.60 16 12 H 0.07 0.67 8.14 -51.93 -0.42 0.25 16 13 C -0.14 -1.79 4.97 -25.37 -0.13 -1.92 16 14 C -0.08 -1.08 0.68 -154.09 -0.11 -1.19 16 15 C 0.05 0.64 6.72 37.67 0.25 0.90 16 16 O -0.37 -4.48 11.33 -35.23 -0.40 -4.88 16 17 C -0.12 -1.96 4.63 -26.89 -0.12 -2.09 16 18 C 0.13 2.62 3.89 -3.66 -0.01 2.60 16 19 N -0.60 -13.89 2.72 -171.96 -0.47 -14.36 16 20 C -0.26 -7.13 10.03 -15.06 -0.15 -7.28 16 21 H 0.08 2.45 8.06 -52.49 -0.42 2.03 16 22 C 0.02 0.69 5.24 -17.43 -0.09 0.60 16 23 N -0.91 -27.69 13.97 55.49 0.78 -26.92 16 24 Si 0.88 22.14 24.37 -169.99 -4.14 17.99 16 25 H -0.29 -6.91 6.62 56.52 0.37 -6.53 16 26 H -0.30 -7.77 7.11 56.52 0.40 -7.37 16 27 H -0.27 -6.64 6.71 56.52 0.38 -6.26 16 28 C 0.15 2.80 6.21 -3.50 -0.02 2.78 16 29 C -0.12 -1.85 4.63 -26.89 -0.12 -1.98 16 30 H 0.06 0.42 7.91 -51.93 -0.41 0.00 16 31 H 0.06 0.29 8.14 -51.93 -0.42 -0.13 16 32 H 0.05 0.25 8.14 -51.93 -0.42 -0.17 16 33 H 0.08 0.66 8.14 -51.93 -0.42 0.24 16 34 H 0.08 0.45 7.48 -51.93 -0.39 0.06 16 35 H 0.09 0.58 8.14 -51.93 -0.42 0.15 16 36 H 0.04 0.23 8.00 -51.93 -0.42 -0.18 16 37 H 0.05 0.42 8.02 -51.93 -0.42 0.00 16 38 H 0.40 2.87 7.85 -40.82 -0.32 2.55 16 39 H 0.08 0.89 8.14 -51.93 -0.42 0.47 16 40 H 0.08 1.00 8.14 -51.93 -0.42 0.57 16 41 H 0.08 1.08 6.59 -51.93 -0.34 0.74 16 42 H 0.08 1.14 6.33 -51.92 -0.33 0.81 16 43 H 0.09 1.06 7.85 -51.93 -0.41 0.65 16 44 H 0.06 0.63 7.83 -51.93 -0.41 0.22 16 45 H 0.07 1.15 8.14 -51.93 -0.42 0.73 16 46 H 0.05 0.75 8.13 -51.93 -0.42 0.33 16 47 H 0.02 0.49 5.79 -51.93 -0.30 0.19 16 48 H 0.07 1.64 4.75 -51.93 -0.25 1.39 16 49 H 0.26 7.60 8.31 -40.82 -0.34 7.26 16 50 H 0.06 1.23 7.94 -51.93 -0.41 0.81 16 51 H 0.02 0.43 6.87 -51.93 -0.36 0.08 16 52 H 0.06 1.04 8.14 -51.93 -0.42 0.62 16 53 H 0.06 0.84 8.14 -51.93 -0.42 0.41 16 LS Contribution 402.31 15.07 6.06 6.06 Total: -1.00 -33.63 402.31 -8.13 -41.76 By element: Atomic # 1 Polarization: 9.45 SS G_CDS: -9.41 Total: 0.03 kcal Atomic # 6 Polarization: -0.25 SS G_CDS: 0.54 Total: 0.29 kcal Atomic # 7 Polarization: -48.47 SS G_CDS: -0.02 Total: -48.49 kcal Atomic # 8 Polarization: -16.49 SS G_CDS: -1.15 Total: -17.65 kcal Atomic # 14 Polarization: 22.14 SS G_CDS: -4.14 Total: 17.99 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -33.63 -8.13 -41.76 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. ZINC001500011534.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 -71.167 kcal (2) G-P(sol) polarization free energy of solvation -33.632 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -104.799 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.128 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.761 kcal (6) G-S(sol) free energy of system = (1) + (5) -112.928 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.85 seconds