Wall clock time and date at job start Sat Apr 11 2020 06:10:56 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 1.42901 * 1 3 3 C 1.42900 * 114.00396 * 2 1 4 4 C 1.53000 * 112.84711 * 64.52136 * 3 2 1 5 5 C 1.50696 * 109.47369 * 48.23307 * 4 3 2 6 6 O 1.21287 * 119.99989 * 3.90189 * 5 4 3 7 7 N 1.34770 * 120.00046 * 183.91074 * 5 4 3 8 8 C 1.46929 * 120.63266 * 359.97438 * 7 5 4 9 9 C 1.53184 * 108.89673 * 126.46634 * 8 7 5 10 10 C 1.53045 * 109.31311 * 54.56545 * 9 8 7 11 11 C 1.53038 * 109.53899 * 298.63737 * 10 9 8 12 12 H 1.09012 * 109.49395 * 301.38248 * 11 10 9 13 13 N 1.46491 * 109.50204 * 181.31736 * 11 10 9 14 14 C 1.36942 * 119.99875 * 299.99967 * 13 11 10 15 15 H 1.08006 * 119.99560 * 321.05389 * 14 13 11 16 16 C 1.38803 * 120.00212 * 141.05596 * 14 13 11 17 17 N 1.31627 * 120.00298 * 157.79816 * 16 14 13 18 18 Si 1.86798 * 120.00197 * 337.79247 * 16 14 13 19 19 H 1.48499 * 109.47222 * 95.24768 * 18 16 14 20 20 H 1.48495 * 109.47467 * 215.24823 * 18 16 14 21 21 H 1.48501 * 109.47129 * 335.24988 * 18 16 14 22 22 C 1.46493 * 120.00503 * 119.99549 * 13 11 10 23 23 C 1.53000 * 109.47299 * 84.75089 * 22 13 11 24 24 O 1.42903 * 109.46880 * 65.66969 * 23 22 13 25 25 C 1.46959 * 120.65447 * 179.81684 * 7 5 4 26 26 C 1.53780 * 113.69144 * 195.79085 * 3 2 1 27 27 C 1.53781 * 87.08085 * 89.12440 * 26 3 2 28 28 C 1.53773 * 87.07970 * 25.43238 * 27 26 3 29 29 H 1.09004 * 109.46593 * 64.69518 * 1 2 3 30 30 H 1.08995 * 109.47334 * 184.69336 * 1 2 3 31 31 H 1.08998 * 109.47276 * 304.69879 * 1 2 3 32 32 H 1.09004 * 109.46957 * 288.22503 * 4 3 2 33 33 H 1.09000 * 109.46701 * 168.22945 * 4 3 2 34 34 H 1.09000 * 109.58393 * 6.60754 * 8 7 5 35 35 H 1.09001 * 109.58543 * 246.32870 * 8 7 5 36 36 H 1.09005 * 109.50131 * 174.51804 * 9 8 7 37 37 H 1.09001 * 109.49799 * 294.61745 * 9 8 7 38 38 H 1.09001 * 109.45776 * 58.65187 * 10 9 8 39 39 H 1.09001 * 109.46354 * 178.61389 * 10 9 8 40 40 H 0.96998 * 120.00358 * 180.02562 * 17 16 14 41 41 H 1.09004 * 109.47383 * 204.75341 * 22 13 11 42 42 H 1.09003 * 109.47449 * 324.75374 * 22 13 11 43 43 H 1.09003 * 109.47420 * 185.67050 * 23 22 13 44 44 H 1.09000 * 109.47378 * 305.67602 * 23 22 13 45 45 H 0.96703 * 113.99573 * 180.02562 * 24 23 22 46 46 H 1.09006 * 109.46782 * 113.74589 * 25 7 5 47 47 H 1.08999 * 109.71080 * 353.45964 * 25 7 5 48 48 H 1.09001 * 113.61548 * 203.67874 * 26 3 2 49 49 H 1.09002 * 113.61165 * 334.57676 * 26 3 2 50 50 H 1.09001 * 113.61497 * 270.88310 * 27 26 3 51 51 H 1.09003 * 113.61095 * 139.98606 * 27 26 3 52 52 H 1.09007 * 113.61624 * 220.01354 * 28 27 26 53 53 H 1.09000 * 113.61661 * 89.11792 * 28 27 26 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 1.6979 2.0948 1.2728 5 6 1.9701 1.2325 2.4783 6 8 2.4408 0.1237 2.3370 7 7 1.6902 1.6933 3.7135 8 6 1.1200 3.0344 3.9009 9 6 -0.1566 2.9180 4.7395 10 6 0.1598 2.1820 6.0435 11 6 0.6597 0.7708 5.7264 12 1 -0.1010 0.2343 5.1591 13 7 0.9325 0.0563 6.9758 14 6 1.8606 0.5456 7.8558 15 1 2.7746 0.9871 7.4866 16 6 1.6268 0.4742 9.2222 17 7 2.6360 0.5215 10.0659 18 14 -0.1200 0.3111 9.8637 19 1 -0.4287 -1.1220 10.1000 20 1 -0.2516 1.0625 11.1377 21 1 -1.0683 0.8633 8.8631 22 6 0.2123 -1.1816 7.2840 23 6 0.9210 -2.3631 6.6188 24 8 2.2121 -2.5364 7.2065 25 6 1.9460 0.8630 4.8988 26 6 3.4996 1.3186 -0.3832 27 6 3.0415 1.4646 -1.8439 28 6 1.7513 2.0950 -1.2939 29 1 -0.3633 0.4393 -0.9291 30 1 -0.3634 -1.0242 0.0841 31 1 -0.3634 0.5850 0.8449 32 1 0.6492 2.3920 1.2678 33 1 2.3273 2.9839 1.3126 34 1 0.8811 3.4687 2.9301 35 1 1.8402 3.6687 4.4177 36 1 -0.5348 3.9148 4.9669 37 1 -0.9093 2.3614 4.1811 38 1 0.9304 2.7260 6.5897 39 1 -0.7416 2.1195 6.6532 40 1 2.4727 0.4713 11.0208 41 1 0.1921 -1.3311 8.3636 42 1 -0.8083 -1.1116 6.9078 43 1 0.3316 -3.2686 6.7631 44 1 1.0308 -2.1672 5.5521 45 1 2.7194 -3.2696 6.8320 46 1 2.7344 1.3185 5.4981 47 1 2.2535 -0.1357 4.5886 48 1 4.0398 2.1870 -0.0060 49 1 4.0115 0.3785 -0.1780 50 1 2.8813 0.5119 -2.3486 51 1 3.6516 2.1556 -2.4258 52 1 0.8518 1.7818 -1.8240 53 1 1.8135 3.1757 -1.1658 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 ZINC001264629646.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 06:10:56 Heat of formation + Delta-G solvation = -70.808318 kcal Electronic energy + Delta-G solvation = -32468.228210 eV Core-core repulsion = 28342.195472 eV Total energy + Delta-G solvation = -4126.032738 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.92 seconds Orbital eigenvalues (eV) -40.60839 -39.25514 -37.42086 -36.22407 -35.63025 -34.67876 -32.23898 -31.46965 -30.85602 -29.56422 -27.48881 -27.14823 -25.68692 -25.04058 -24.11501 -23.05186 -22.23500 -21.22242 -19.73813 -19.54410 -18.61688 -17.01033 -16.64468 -16.61128 -16.36351 -15.97551 -15.34683 -15.20181 -15.07232 -14.95839 -14.41292 -14.25285 -14.02004 -13.82737 -13.56114 -13.51167 -13.09224 -12.97868 -12.71409 -12.53246 -12.46853 -12.29421 -12.14960 -11.80566 -11.66775 -11.50152 -11.31410 -11.14646 -11.07428 -10.97068 -10.81613 -10.71179 -10.38518 -10.27746 -10.23248 -10.02408 -9.73621 -9.61738 -9.48165 -9.27190 -9.08716 -8.48514 -8.20916 -6.73464 -5.87398 -3.29855 2.93667 3.23792 3.36525 3.49718 3.53128 3.63055 4.23478 4.40845 4.53994 4.60621 4.64355 4.77297 4.84505 5.04952 5.12373 5.15045 5.18085 5.20868 5.21398 5.33934 5.36259 5.38986 5.46182 5.50483 5.53498 5.63168 5.66827 5.68904 5.76192 5.89377 5.93739 5.99342 6.00181 6.02271 6.07111 6.09989 6.19031 6.20269 6.26323 6.38862 6.52288 6.59665 6.77184 6.81238 6.98851 7.04246 7.23113 7.76407 8.14165 8.45226 8.52195 8.55839 9.04796 9.81551 10.18970 11.28315 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.018096 B = 0.003212 C = 0.003041 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1546.922671 B = 8716.444367 C = 9206.408033 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.030 3.970 2 O -0.338 6.338 3 C 0.111 3.889 4 C -0.158 4.158 5 C 0.510 3.490 6 O -0.521 6.521 7 N -0.611 5.611 8 C 0.108 3.892 9 C -0.132 4.132 10 C -0.128 4.128 11 C 0.170 3.830 12 H 0.050 0.950 13 N -0.590 5.590 14 C -0.249 4.249 15 H 0.076 0.924 16 C 0.043 3.957 17 N -0.898 5.898 18 Si 0.871 3.129 19 H -0.289 1.289 20 H -0.304 1.304 21 H -0.270 1.270 22 C 0.133 3.867 23 C 0.061 3.939 24 O -0.538 6.538 25 C 0.106 3.894 26 C -0.121 4.121 27 C -0.135 4.135 28 C -0.166 4.166 29 H 0.038 0.962 30 H 0.084 0.916 31 H 0.038 0.962 32 H 0.090 0.910 33 H 0.100 0.900 34 H 0.074 0.926 35 H 0.069 0.931 36 H 0.069 0.931 37 H 0.058 0.942 38 H 0.076 0.924 39 H 0.058 0.942 40 H 0.260 0.740 41 H 0.067 0.933 42 H 0.048 0.952 43 H 0.023 0.977 44 H 0.033 0.967 45 H 0.355 0.645 46 H 0.074 0.926 47 H 0.084 0.916 48 H 0.090 0.910 49 H 0.082 0.918 50 H 0.083 0.917 51 H 0.068 0.932 52 H 0.071 0.929 53 H 0.089 0.911 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -5.702 5.118 -21.463 22.790 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 -0.067 4.067 2 O -0.255 6.255 3 C 0.070 3.930 4 C -0.199 4.199 5 C 0.296 3.704 6 O -0.396 6.396 7 N -0.346 5.346 8 C -0.015 4.015 9 C -0.171 4.171 10 C -0.167 4.167 11 C 0.062 3.938 12 H 0.068 0.932 13 N -0.311 5.311 14 C -0.378 4.378 15 H 0.093 0.907 16 C -0.157 4.157 17 N -0.539 5.539 18 Si 0.702 3.298 19 H -0.217 1.217 20 H -0.232 1.232 21 H -0.195 1.195 22 C 0.007 3.993 23 C -0.020 4.020 24 O -0.339 6.339 25 C -0.017 4.017 26 C -0.158 4.158 27 C -0.172 4.172 28 C -0.204 4.204 29 H 0.056 0.944 30 H 0.102 0.898 31 H 0.057 0.943 32 H 0.108 0.892 33 H 0.119 0.881 34 H 0.092 0.908 35 H 0.087 0.913 36 H 0.087 0.913 37 H 0.076 0.924 38 H 0.094 0.906 39 H 0.077 0.923 40 H 0.070 0.930 41 H 0.085 0.915 42 H 0.066 0.934 43 H 0.041 0.959 44 H 0.051 0.949 45 H 0.198 0.802 46 H 0.092 0.908 47 H 0.102 0.898 48 H 0.108 0.892 49 H 0.100 0.900 50 H 0.101 0.899 51 H 0.086 0.914 52 H 0.090 0.910 53 H 0.107 0.893 Dipole moment (debyes) X Y Z Total from point charges -5.471 4.871 -20.977 22.219 hybrid contribution -1.198 -0.284 0.334 1.276 sum -6.669 4.587 -20.643 22.173 Atomic orbital electron populations 1.22688 0.81999 1.02639 0.99353 1.88071 1.18633 1.24469 1.94365 1.22187 0.95727 0.84008 0.91049 1.22257 1.03657 0.99864 0.94073 1.20320 0.78818 0.87459 0.83755 1.90732 1.43378 1.20141 1.85349 1.48285 1.63139 1.16651 1.06542 1.21708 0.95692 0.84072 1.00045 1.21940 0.96639 1.00847 0.97665 1.21965 1.01938 0.97472 0.95314 1.20601 0.93677 0.91790 0.87685 0.93210 1.43998 1.46680 1.21157 1.19259 1.18499 0.96515 1.36854 0.85919 0.90688 1.25385 0.96176 0.98021 0.96164 1.69887 1.29872 1.51819 1.02298 0.87009 0.88282 0.76747 0.77771 1.21674 1.23168 1.19480 1.21347 0.92698 0.85474 0.99744 1.22893 0.85279 0.97550 0.96271 1.86887 1.28706 1.54649 1.63676 1.22215 0.99619 0.95678 0.84192 1.22956 0.94163 1.03372 0.95321 1.22757 0.96758 1.01130 0.96587 1.23583 0.99142 1.00232 0.97446 0.94397 0.89758 0.94348 0.89220 0.88133 0.90763 0.91286 0.91272 0.92357 0.90582 0.92277 0.93005 0.91468 0.93420 0.95938 0.94891 0.80166 0.90805 0.89766 0.89171 0.89964 0.89851 0.91360 0.90998 0.89287 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 0.03 0.32 10.64 101.05 1.07 1.39 16 2 O -0.34 -4.62 8.96 -56.34 -0.51 -5.13 16 3 C 0.11 1.23 0.41 -89.81 -0.04 1.20 16 4 C -0.16 -1.70 3.05 -27.88 -0.09 -1.78 16 5 C 0.51 7.83 7.53 -10.99 -0.08 7.74 16 6 O -0.52 -10.10 14.35 -15.56 -0.22 -10.32 16 7 N -0.61 -9.38 2.98 -172.72 -0.51 -9.90 16 8 C 0.11 1.29 6.34 -3.71 -0.02 1.27 16 9 C -0.13 -1.67 6.08 -26.61 -0.16 -1.83 16 10 C -0.13 -2.22 5.11 -26.69 -0.14 -2.35 16 11 C 0.17 3.29 2.79 -67.80 -0.19 3.10 16 12 H 0.05 0.93 7.87 -51.92 -0.41 0.52 16 13 N -0.59 -13.61 1.96 -165.51 -0.32 -13.94 16 14 C -0.25 -6.79 8.45 -15.06 -0.13 -6.92 16 15 H 0.08 2.24 6.91 -52.48 -0.36 1.87 16 16 C 0.04 1.23 5.26 -17.43 -0.09 1.14 16 17 N -0.90 -27.67 13.97 55.49 0.78 -26.90 16 18 Si 0.87 22.17 25.12 -169.99 -4.27 17.90 16 19 H -0.29 -7.31 6.68 56.52 0.38 -6.93 16 20 H -0.30 -7.88 7.11 56.52 0.40 -7.47 16 21 H -0.27 -6.56 7.11 56.52 0.40 -6.16 16 22 C 0.13 2.92 4.65 -4.05 -0.02 2.90 16 23 C 0.06 1.20 7.38 37.16 0.27 1.47 16 24 O -0.54 -11.79 13.41 -35.23 -0.47 -12.26 16 25 C 0.11 2.03 5.75 -3.67 -0.02 2.00 16 26 C -0.12 -1.29 7.40 -25.92 -0.19 -1.48 16 27 C -0.13 -1.16 8.02 -25.92 -0.21 -1.37 16 28 C -0.17 -1.36 7.22 -25.93 -0.19 -1.54 16 29 H 0.04 0.32 6.90 -51.93 -0.36 -0.04 16 30 H 0.08 0.86 8.14 -51.93 -0.42 0.43 16 31 H 0.04 0.41 6.89 -51.93 -0.36 0.05 16 32 H 0.09 0.81 6.77 -51.93 -0.35 0.45 16 33 H 0.10 0.87 7.87 -51.93 -0.41 0.46 16 34 H 0.07 0.65 5.91 -51.93 -0.31 0.35 16 35 H 0.07 0.82 8.14 -51.93 -0.42 0.40 16 36 H 0.07 0.74 8.14 -51.93 -0.42 0.32 16 37 H 0.06 0.71 8.14 -51.93 -0.42 0.29 16 38 H 0.08 1.47 7.70 -51.93 -0.40 1.07 16 39 H 0.06 1.09 8.14 -51.93 -0.42 0.67 16 40 H 0.26 7.66 8.31 -40.82 -0.34 7.32 16 41 H 0.07 1.65 3.72 -51.93 -0.19 1.46 16 42 H 0.05 0.92 8.03 -51.93 -0.42 0.50 16 43 H 0.02 0.38 8.14 -51.93 -0.42 -0.04 16 44 H 0.03 0.63 8.14 -51.93 -0.42 0.21 16 45 H 0.35 5.85 9.12 45.56 0.42 6.27 16 46 H 0.07 1.57 6.81 -51.93 -0.35 1.21 16 47 H 0.08 1.81 7.02 -51.93 -0.36 1.45 16 48 H 0.09 0.83 7.95 -51.93 -0.41 0.42 16 49 H 0.08 1.05 8.14 -51.93 -0.42 0.63 16 50 H 0.08 0.76 8.14 -51.93 -0.42 0.34 16 51 H 0.07 0.48 8.14 -51.93 -0.42 0.06 16 52 H 0.07 0.56 6.86 -51.93 -0.36 0.21 16 53 H 0.09 0.58 8.10 -51.93 -0.42 0.16 16 LS Contribution 401.90 15.07 6.06 6.06 Total: -1.00 -34.96 401.90 -8.13 -43.09 By element: Atomic # 1 Polarization: 14.90 SS G_CDS: -8.44 Total: 6.45 kcal Atomic # 6 Polarization: 5.16 SS G_CDS: -0.21 Total: 4.95 kcal Atomic # 7 Polarization: -50.67 SS G_CDS: -0.06 Total: -50.73 kcal Atomic # 8 Polarization: -26.51 SS G_CDS: -1.20 Total: -27.71 kcal Atomic # 14 Polarization: 22.17 SS G_CDS: -4.27 Total: 17.90 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -34.96 -8.13 -43.09 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. ZINC001264629646.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 -27.715 kcal (2) G-P(sol) polarization free energy of solvation -34.960 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -62.675 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.133 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.093 kcal (6) G-S(sol) free energy of system = (1) + (5) -70.808 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.92 seconds