Wall clock time and date at job start Wed Apr 1 2020 00:19:24 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 1.53005 * 1 3 3 H 1.08995 * 109.51490 * 2 1 4 4 C 1.53299 * 109.51485 * 120.16356 * 2 1 3 5 5 N 1.47145 * 108.42121 * 172.25210 * 4 2 1 6 6 C 1.34769 * 120.99364 * 129.42906 * 5 4 2 7 7 O 1.21585 * 120.00634 * 175.00470 * 6 5 4 8 8 N 1.34784 * 120.00124 * 355.00319 * 6 5 4 9 9 C 1.46493 * 120.00507 * 185.08514 * 8 6 5 10 10 C 1.52991 * 109.47492 * 179.97438 * 9 8 6 11 11 C 1.53002 * 109.47307 * 300.00245 * 10 9 8 12 12 C 1.53010 * 109.46974 * 59.99714 * 10 9 8 13 13 C 1.50699 * 109.47544 * 179.97438 * 10 9 8 14 14 H 1.07997 * 119.99835 * 359.97438 * 13 10 9 15 15 C 1.37876 * 120.00026 * 180.02562 * 13 10 9 16 16 N 1.31506 * 120.00261 * 359.97438 * 15 13 10 17 17 Si 1.86805 * 119.99898 * 179.97438 * 15 13 10 18 18 H 1.48503 * 109.46933 * 359.97438 * 17 15 13 19 19 H 1.48499 * 109.47014 * 119.99913 * 17 15 13 20 20 H 1.48491 * 109.47381 * 240.00058 * 17 15 13 21 21 C 1.47177 * 118.01940 * 309.44601 * 5 4 2 22 22 C 1.53190 * 108.37065 * 50.41559 * 21 5 4 23 23 C 1.53094 * 109.42111 * 67.83053 * 22 21 5 24 24 C 1.53203 * 109.02896 * 176.80358 * 23 22 21 25 25 C 1.53096 * 109.14097 * 303.11480 * 24 23 22 26 26 O 1.42897 * 109.44861 * 57.64426 * 25 24 23 27 27 C 1.42925 * 114.09227 * 298.82653 * 26 25 24 28 28 O 1.42866 * 109.40834 * 307.81896 * 22 21 5 29 29 H 1.08999 * 109.46935 * 180.10562 * 1 2 3 30 30 H 1.09003 * 109.46637 * 300.10368 * 1 2 3 31 31 H 1.09000 * 109.47077 * 60.10495 * 1 2 3 32 32 H 1.09004 * 109.66847 * 291.97980 * 4 2 1 33 33 H 1.08993 * 109.67483 * 52.47517 * 4 2 1 34 34 H 0.96998 * 119.99294 * 5.08289 * 8 6 5 35 35 H 1.09009 * 109.46749 * 300.00085 * 9 8 6 36 36 H 1.09004 * 109.47002 * 59.99464 * 9 8 6 37 37 H 1.09001 * 109.47194 * 59.99283 * 11 10 9 38 38 H 1.08998 * 109.47016 * 179.97438 * 11 10 9 39 39 H 1.09002 * 109.46759 * 299.99491 * 11 10 9 40 40 H 1.08998 * 109.46847 * 60.00426 * 12 10 9 41 41 H 1.08998 * 109.46941 * 180.02562 * 12 10 9 42 42 H 1.08996 * 109.47223 * 299.99983 * 12 10 9 43 43 H 0.97001 * 120.00030 * 179.97438 * 16 15 13 44 44 H 1.08996 * 109.68765 * 170.14036 * 21 5 4 45 45 H 1.09001 * 109.68227 * 290.66128 * 21 5 4 46 46 H 1.09003 * 109.54358 * 296.66549 * 23 22 21 47 47 H 1.08995 * 109.54092 * 56.94044 * 23 22 21 48 48 H 1.08995 * 109.52258 * 63.01103 * 24 23 22 49 49 H 1.09000 * 109.52547 * 183.21561 * 24 23 22 50 50 H 1.08997 * 109.47272 * 177.64115 * 25 24 23 51 51 H 1.09000 * 109.47165 * 297.64509 * 25 24 23 52 52 H 1.09003 * 109.48407 * 301.03673 * 27 26 25 53 53 H 1.09008 * 109.47525 * 181.00733 * 27 26 25 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 1 1.8941 1.0273 0.0000 4 6 2.0421 -0.7260 1.2493 5 7 3.5013 -0.8768 1.1341 6 6 4.3189 -0.5044 2.1387 7 8 5.5130 -0.7200 2.0624 8 7 3.8128 0.1070 3.2280 9 6 4.7118 0.6115 4.2689 10 6 3.8883 1.2565 5.3854 11 6 3.0709 2.4157 4.8118 12 6 2.9431 0.2153 5.9885 13 6 4.8131 1.7749 6.4564 14 1 5.8813 1.6558 6.3515 15 6 4.2953 2.4002 7.5708 16 7 2.9945 2.5448 7.6988 17 14 5.4415 3.0422 8.8988 18 1 6.8484 2.7562 8.5189 19 1 5.2563 4.5082 9.0463 20 1 5.1312 2.3720 10.1870 21 6 4.0414 -1.4460 -0.1110 22 6 3.4305 -0.6875 -1.2935 23 6 3.9554 0.7507 -1.3016 24 6 3.4022 1.4773 -2.5317 25 6 3.7992 0.7043 -3.7921 26 8 3.3042 -0.6334 -3.7056 27 6 3.8235 -1.3773 -2.6012 28 8 2.0076 -0.6760 -1.1660 29 1 -0.3633 -1.0277 0.0019 30 1 -0.3633 0.5155 0.8891 31 1 -0.3633 0.5122 -0.8909 32 1 1.8026 -0.1413 2.1375 33 1 1.5755 -1.7085 1.3199 34 1 2.8533 0.2130 3.3227 35 1 5.2944 -0.2144 4.6773 36 1 5.3849 1.3534 3.8393 37 1 2.4020 2.0403 4.0373 38 1 2.4839 2.8749 5.6071 39 1 3.7443 3.1574 4.3821 40 1 3.5254 -0.6105 6.3972 41 1 2.3561 0.6750 6.7836 42 1 2.2742 -0.1599 5.2141 43 1 2.6302 2.9844 8.4830 44 1 5.1258 -1.3359 -0.1250 45 1 3.7788 -2.5018 -0.1763 46 1 3.6279 1.2635 -0.3973 47 1 5.0445 0.7410 -1.3430 48 1 2.3157 1.5315 -2.4647 49 1 3.8162 2.4847 -2.5765 50 1 3.3730 1.1937 -4.6678 51 1 4.8855 0.6850 -3.8794 52 1 4.9099 -1.4260 -2.6743 53 1 3.4123 -2.3868 -2.6175 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 ZINC000590948304.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 00:19:24 Heat of formation + Delta-G solvation = -115.098458 kcal Electronic energy + Delta-G solvation = -32452.036417 eV Core-core repulsion = 28324.083115 eV Total energy + Delta-G solvation = -4127.953302 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.91 seconds Orbital eigenvalues (eV) -41.12645 -39.43921 -37.93946 -36.46705 -34.62139 -34.07757 -33.17974 -32.65102 -30.92104 -30.18812 -27.12458 -26.32313 -25.76685 -25.61410 -25.39189 -24.34694 -22.58210 -21.89504 -20.14707 -19.42056 -18.93807 -18.05330 -17.05678 -16.61719 -16.17401 -15.95264 -15.72176 -15.45275 -15.31196 -15.12563 -14.70511 -14.34394 -14.10665 -13.82992 -13.63444 -13.18881 -13.01800 -12.96241 -12.81811 -12.60622 -12.49012 -12.30809 -12.24781 -12.07638 -11.87255 -11.43158 -11.35047 -11.23787 -11.18797 -10.97283 -10.91010 -10.68093 -10.53517 -10.42802 -10.23397 -10.12040 -9.80911 -9.67146 -9.63608 -9.33453 -8.81877 -8.67081 -8.42950 -8.16753 -6.05058 -4.14913 2.73165 3.25316 3.27191 3.34101 3.38962 3.49033 3.70959 4.16930 4.35716 4.39782 4.46305 4.50720 4.59710 4.69704 4.85182 4.90220 4.98660 5.04515 5.15031 5.19786 5.22029 5.33758 5.34099 5.38924 5.48159 5.56247 5.57477 5.64978 5.71767 5.72342 5.88748 5.96779 6.02044 6.13486 6.32165 6.40742 6.46214 6.74586 6.77464 6.85253 6.88358 6.98958 7.03544 7.05886 7.16888 7.34096 7.52107 7.67044 7.97354 8.08663 8.30518 8.37188 8.84667 8.93660 9.51111 10.96502 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.020397 B = 0.002716 C = 0.002641 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1372.436149 B =10308.127837 C =10597.831396 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.143 4.143 2 C 0.070 3.930 3 H 0.067 0.933 4 C 0.083 3.917 5 N -0.636 5.636 6 C 0.704 3.296 7 O -0.595 6.595 8 N -0.732 5.732 9 C 0.149 3.851 10 C 0.056 3.944 11 C -0.129 4.129 12 C -0.130 4.130 13 C -0.505 4.505 14 H 0.058 0.942 15 C 0.066 3.934 16 N -0.886 5.886 17 Si 0.893 3.107 18 H -0.273 1.273 19 H -0.284 1.284 20 H -0.284 1.284 21 C 0.111 3.889 22 C 0.074 3.926 23 C -0.146 4.146 24 C -0.151 4.151 25 C 0.060 3.940 26 O -0.370 6.370 27 C 0.080 3.920 28 O -0.353 6.353 29 H 0.066 0.934 30 H 0.075 0.925 31 H 0.066 0.934 32 H 0.088 0.912 33 H 0.076 0.924 34 H 0.393 0.607 35 H 0.053 0.947 36 H 0.051 0.949 37 H 0.003 0.997 38 H 0.086 0.914 39 H 0.026 0.974 40 H 0.027 0.973 41 H 0.086 0.914 42 H 0.004 0.996 43 H 0.259 0.741 44 H 0.101 0.899 45 H 0.071 0.929 46 H 0.075 0.925 47 H 0.075 0.925 48 H 0.075 0.925 49 H 0.073 0.927 50 H 0.093 0.907 51 H 0.050 0.950 52 H 0.069 0.931 53 H 0.103 0.897 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -4.797 -4.876 -19.978 21.116 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 -0.200 4.200 2 C 0.011 3.989 3 H 0.085 0.915 4 C -0.041 4.041 5 N -0.375 5.375 6 C 0.405 3.595 7 O -0.473 6.473 8 N -0.388 5.388 9 C 0.026 3.974 10 C 0.055 3.945 11 C -0.186 4.186 12 C -0.187 4.187 13 C -0.543 4.543 14 H 0.077 0.923 15 C -0.135 4.135 16 N -0.525 5.525 17 Si 0.721 3.279 18 H -0.197 1.197 19 H -0.211 1.211 20 H -0.211 1.211 21 C -0.013 4.013 22 C 0.033 3.967 23 C -0.183 4.183 24 C -0.188 4.188 25 C -0.017 4.017 26 O -0.288 6.288 27 C 0.003 3.997 28 O -0.273 6.273 29 H 0.085 0.915 30 H 0.094 0.906 31 H 0.085 0.915 32 H 0.106 0.894 33 H 0.094 0.906 34 H 0.230 0.770 35 H 0.072 0.928 36 H 0.070 0.930 37 H 0.022 0.978 38 H 0.104 0.896 39 H 0.045 0.955 40 H 0.046 0.954 41 H 0.104 0.896 42 H 0.022 0.978 43 H 0.069 0.931 44 H 0.120 0.880 45 H 0.089 0.911 46 H 0.094 0.906 47 H 0.094 0.906 48 H 0.094 0.906 49 H 0.091 0.909 50 H 0.112 0.888 51 H 0.068 0.932 52 H 0.087 0.913 53 H 0.121 0.879 Dipole moment (debyes) X Y Z Total from point charges -4.269 -5.082 -20.111 21.178 hybrid contribution 0.423 0.712 1.366 1.597 sum -3.846 -4.370 -18.746 19.629 Atomic orbital electron populations 1.21729 0.92124 1.03242 1.02937 1.22506 0.95410 0.95917 0.85034 0.91515 1.22355 0.80994 1.01685 0.99095 1.47202 1.05678 1.68193 1.16405 1.15929 0.84804 0.78587 0.80154 1.90873 1.13766 1.61965 1.80744 1.45675 1.10950 1.61363 1.20844 1.21612 0.91903 0.97056 0.86786 1.18365 0.93157 0.92005 0.90927 1.21815 0.98878 0.99051 0.98890 1.21822 0.98819 0.97870 1.00222 1.21018 0.92853 1.37127 1.03349 0.92339 1.24875 0.95080 0.95624 0.97925 1.69806 1.10588 1.43371 1.28712 0.86514 0.81217 0.78496 0.81663 1.19733 1.21060 1.21053 1.21933 1.00623 0.96729 0.81997 1.22484 0.82567 0.95807 0.95852 1.22135 1.01371 0.95567 0.99270 1.22112 1.02505 0.99309 0.94917 1.22599 0.98185 0.82980 0.97948 1.87979 1.69564 1.24475 1.46799 1.22486 0.98286 0.95603 0.83349 1.88023 1.19362 1.76984 1.42882 0.91542 0.90599 0.91462 0.89365 0.90614 0.77015 0.92821 0.93033 0.97805 0.89570 0.95458 0.95379 0.89569 0.97751 0.93054 0.88029 0.91064 0.90602 0.90634 0.90596 0.90864 0.88850 0.93221 0.91296 0.87868 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -0.14 -1.20 9.57 37.16 0.36 -0.85 16 2 C 0.07 0.73 3.02 -26.57 -0.08 0.65 16 3 H 0.07 0.75 6.19 -51.93 -0.32 0.43 16 4 C 0.08 0.95 5.92 -3.54 -0.02 0.93 16 5 N -0.64 -8.89 2.60 -178.06 -0.46 -9.36 16 6 C 0.70 12.68 8.31 -86.92 -0.72 11.96 16 7 O -0.59 -12.78 15.85 5.29 0.08 -12.70 16 8 N -0.73 -13.28 4.87 -65.23 -0.32 -13.59 16 9 C 0.15 3.19 4.51 -4.05 -0.02 3.17 16 10 C 0.06 1.29 0.50 -155.66 -0.08 1.21 16 11 C -0.13 -2.85 8.08 37.16 0.30 -2.55 16 12 C -0.13 -2.90 8.08 37.16 0.30 -2.60 16 13 C -0.50 -13.12 8.01 -34.44 -0.28 -13.40 16 14 H 0.06 1.54 7.74 -52.49 -0.41 1.14 16 15 C 0.07 1.72 5.15 -17.82 -0.09 1.63 16 16 N -0.89 -23.33 9.35 55.43 0.52 -22.81 16 17 Si 0.89 20.57 29.54 -169.99 -5.02 15.55 16 18 H -0.27 -6.29 7.11 56.52 0.40 -5.89 16 19 H -0.28 -6.54 7.11 56.52 0.40 -6.14 16 20 H -0.28 -6.56 7.11 56.52 0.40 -6.15 16 21 C 0.11 1.35 5.28 -3.57 -0.02 1.33 16 22 C 0.07 0.79 0.71 -90.48 -0.06 0.73 16 23 C -0.15 -1.59 4.33 -26.58 -0.12 -1.70 16 24 C -0.15 -1.40 5.99 -26.58 -0.16 -1.56 16 25 C 0.06 0.52 6.84 37.21 0.25 0.77 16 26 O -0.37 -3.98 10.70 -42.34 -0.45 -4.44 16 27 C 0.08 0.75 5.81 37.15 0.22 0.97 16 28 O -0.35 -4.07 9.30 -42.34 -0.39 -4.47 16 29 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 30 H 0.08 0.56 8.14 -51.93 -0.42 0.13 16 31 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 32 H 0.09 1.00 5.66 -51.93 -0.29 0.71 16 33 H 0.08 0.80 8.14 -51.93 -0.42 0.38 16 34 H 0.39 6.46 3.67 -40.82 -0.15 6.31 16 35 H 0.05 1.22 8.14 -51.92 -0.42 0.80 16 36 H 0.05 1.15 8.14 -51.93 -0.42 0.73 16 37 H 0.00 0.06 6.86 -51.93 -0.36 -0.30 16 38 H 0.09 2.11 6.07 -51.93 -0.32 1.80 16 39 H 0.03 0.60 8.14 -51.93 -0.42 0.17 16 40 H 0.03 0.62 8.14 -51.93 -0.42 0.20 16 41 H 0.09 2.12 6.07 -51.93 -0.32 1.81 16 42 H 0.00 0.07 6.86 -51.93 -0.36 -0.29 16 43 H 0.26 6.59 8.31 -40.82 -0.34 6.25 16 44 H 0.10 1.34 7.11 -51.93 -0.37 0.97 16 45 H 0.07 0.78 8.14 -51.93 -0.42 0.36 16 46 H 0.08 0.95 6.04 -51.93 -0.31 0.64 16 47 H 0.08 0.82 8.14 -51.93 -0.42 0.40 16 48 H 0.08 0.77 7.84 -51.93 -0.41 0.37 16 49 H 0.07 0.60 8.14 -51.93 -0.42 0.18 16 50 H 0.09 0.67 8.14 -51.93 -0.42 0.25 16 51 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 52 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 53 H 0.10 0.87 8.14 -51.92 -0.42 0.45 16 LS Contribution 394.20 15.07 5.94 5.94 Total: -1.00 -29.76 394.20 -9.41 -39.16 By element: Atomic # 1 Polarization: 15.09 SS G_CDS: -9.08 Total: 6.01 kcal Atomic # 6 Polarization: 0.92 SS G_CDS: -0.22 Total: 0.70 kcal Atomic # 7 Polarization: -45.50 SS G_CDS: -0.26 Total: -45.76 kcal Atomic # 8 Polarization: -20.84 SS G_CDS: -0.76 Total: -21.60 kcal Atomic # 14 Polarization: 20.57 SS G_CDS: -5.02 Total: 15.55 kcal Total LS contribution 5.94 Total: 5.94 kcal Total: -29.76 -9.41 -39.16 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. ZINC000590948304.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 -75.934 kcal (2) G-P(sol) polarization free energy of solvation -29.758 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -105.692 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.407 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.165 kcal (6) G-S(sol) free energy of system = (1) + (5) -115.098 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.91 seconds