Wall clock time and date at job start Tue Mar 31 2020 19:56:30 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 1.52999 * 1 3 3 H 1.08997 * 109.47129 * 2 1 4 4 N 1.46495 * 109.47369 * 239.99802 * 2 1 3 5 5 C 1.36938 * 119.99989 * 84.99918 * 4 2 1 6 6 H 1.08000 * 119.99794 * 0.02562 * 5 4 2 7 7 C 1.38808 * 120.00112 * 180.02562 * 5 4 2 8 8 N 1.31623 * 120.00038 * 0.02562 * 7 5 4 9 9 Si 1.86796 * 120.00138 * 180.02562 * 7 5 4 10 10 H 1.48505 * 109.47507 * 0.02562 * 9 7 5 11 11 H 1.48502 * 109.47224 * 120.00198 * 9 7 5 12 12 H 1.48497 * 109.47488 * 240.00392 * 9 7 5 13 13 C 1.53004 * 109.47154 * 119.99794 * 2 1 3 14 14 H 1.08992 * 109.51456 * 175.09793 * 13 2 1 15 15 C 1.53713 * 109.48461 * 295.36646 * 13 2 1 16 16 N 1.47151 * 108.15922 * 172.39514 * 15 13 2 17 17 C 1.34779 * 120.98076 * 129.43174 * 16 15 13 18 18 O 1.21283 * 120.00186 * 184.32772 * 17 16 15 19 19 C 1.50701 * 120.00042 * 4.32399 * 17 16 15 20 20 C 1.52942 * 109.41695 * 202.55197 * 19 17 16 21 21 C 1.53177 * 109.45211 * 176.97716 * 20 19 17 22 22 C 1.53155 * 108.88204 * 56.57262 * 21 20 19 23 23 C 1.52843 * 117.67650 * 91.49069 * 22 21 20 24 24 C 1.52906 * 117.76856 * 160.35969 * 22 21 20 25 25 C 1.53150 * 115.00702 * 306.06103 * 22 21 20 26 26 C 1.52947 * 109.35255 * 82.22917 * 19 17 16 27 27 C 1.47150 * 118.03886 * 309.15661 * 16 15 13 28 28 C 1.53286 * 108.38390 * 50.78538 * 27 16 15 29 29 O 1.42964 * 109.22723 * 307.69949 * 28 27 16 30 30 H 1.08997 * 109.47129 * 180.02562 * 1 2 3 31 31 H 1.09001 * 109.46949 * 300.00450 * 1 2 3 32 32 H 1.09002 * 109.46889 * 59.99981 * 1 2 3 33 33 H 0.97005 * 120.00500 * 265.00482 * 4 2 1 34 34 H 0.96999 * 119.99837 * 180.02562 * 8 7 5 35 35 H 1.09001 * 109.83911 * 52.71307 * 15 13 2 36 36 H 1.08999 * 109.74260 * 292.02029 * 15 13 2 37 37 H 1.09005 * 109.41628 * 322.41325 * 19 17 16 38 38 H 1.09001 * 109.47296 * 56.98456 * 20 19 17 39 39 H 1.09000 * 109.47576 * 296.97183 * 20 19 17 40 40 H 1.09000 * 109.56869 * 296.75706 * 21 20 19 41 41 H 1.09001 * 109.66810 * 176.45144 * 21 20 19 42 42 H 1.08997 * 117.50701 * 0.27914 * 23 22 21 43 43 H 1.08997 * 117.50364 * 215.24687 * 23 22 21 44 44 H 1.08997 * 117.49392 * 144.91168 * 24 22 21 45 45 H 1.09004 * 117.54428 * 359.83695 * 24 22 21 46 46 H 1.08997 * 109.57183 * 173.75321 * 25 22 21 47 47 H 1.09003 * 109.56605 * 294.11812 * 25 22 21 48 48 H 1.08994 * 109.47679 * 303.04957 * 26 19 17 49 49 H 1.08996 * 109.47163 * 63.06240 * 26 19 17 50 50 H 1.09001 * 109.68341 * 170.51542 * 27 16 15 51 51 H 1.09005 * 109.67849 * 291.06353 * 27 16 15 52 52 H 1.08997 * 109.51717 * 67.62459 * 28 27 16 53 53 H 1.08999 * 109.51303 * 187.72473 * 28 27 16 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 1.8933 1.0276 0.0000 4 7 2.0184 -0.6906 -1.1961 5 6 2.1492 -0.0075 -2.3757 6 1 1.8927 1.0405 -2.4241 7 6 2.6114 -0.6620 -3.5092 8 7 2.9235 -1.9393 -3.4503 9 14 2.7905 0.2700 -5.1181 10 1 2.3777 1.6827 -4.9205 11 1 4.2074 0.2261 -5.5605 12 1 1.9294 -0.3577 -6.1523 13 6 2.0400 -0.7212 1.2493 14 1 3.1264 -0.7983 1.2072 15 6 1.6256 0.0676 2.5018 16 7 1.9666 -0.7382 3.6849 17 6 2.6700 -0.2089 4.7055 18 8 3.0089 -0.9092 5.6360 19 6 3.0355 1.2530 4.6906 20 6 4.2468 1.4835 5.5954 21 6 4.6655 2.9551 5.5222 22 6 3.4693 3.8306 5.9073 23 6 3.3189 4.2204 7.3775 24 6 3.7507 5.2674 6.3481 25 6 2.1905 3.5680 5.1065 26 6 1.8489 2.0773 5.1925 27 6 1.5116 -2.1370 3.7236 28 6 1.9268 -2.8169 2.4140 29 8 1.4704 -2.0311 1.3104 30 1 -0.3633 -1.0276 0.0005 31 1 -0.3633 0.5139 0.8900 32 1 -0.3633 0.5139 -0.8900 33 1 2.2490 -1.6318 -1.1526 34 1 3.2469 -2.3966 -4.2423 35 1 0.5521 0.2553 2.4824 36 1 2.1639 1.0148 2.5352 37 1 3.2812 1.5547 3.6724 38 1 5.0727 0.8538 5.2645 39 1 3.9861 1.2306 6.6231 40 1 4.9814 3.1947 4.5069 41 1 5.4886 3.1372 6.2132 42 1 4.0747 3.8579 8.0742 43 1 2.3078 4.2950 7.7775 44 1 3.0234 6.0304 6.0708 45 1 4.7904 5.5941 6.3682 46 1 1.3719 4.1547 5.5232 47 1 2.3485 3.8468 4.0646 48 1 0.9747 1.8686 4.5759 49 1 1.6348 1.8127 6.2280 50 1 1.9742 -2.6504 4.5666 51 1 0.4267 -2.1675 3.8252 52 1 3.0129 -2.9015 2.3761 53 1 1.4822 -3.8107 2.3629 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001506840934.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 19:56:30 Heat of formation + Delta-G solvation = -54.849945 kcal Electronic energy + Delta-G solvation = -30777.123899 eV Core-core repulsion = 26842.239220 eV Total energy + Delta-G solvation = -3934.884679 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.89 seconds Orbital eigenvalues (eV) -40.80149 -39.40357 -38.29298 -35.44146 -35.00908 -34.53643 -32.47934 -31.23494 -30.44189 -28.94843 -27.94089 -26.97601 -24.78200 -23.70433 -23.16672 -22.91739 -22.54779 -21.37403 -19.70884 -19.27311 -18.79309 -17.41218 -17.20627 -16.46641 -15.90100 -15.66340 -15.52576 -15.16618 -15.11700 -14.58561 -14.44098 -14.10802 -13.89756 -13.74009 -13.44682 -13.31859 -12.91169 -12.89241 -12.59217 -12.52936 -12.31385 -12.17652 -12.08301 -11.92611 -11.78595 -11.39146 -11.32699 -11.14780 -10.94510 -10.85917 -10.75604 -10.55731 -10.43502 -10.34565 -10.25105 -10.00655 -9.92134 -9.83837 -9.69422 -9.55051 -8.92657 -8.47556 -6.95908 -5.75713 -3.04890 2.53654 2.81965 3.42809 3.47285 3.48165 3.50714 3.98598 4.25285 4.26660 4.43952 4.54728 4.56624 4.69943 4.75593 4.80997 4.83396 4.92242 5.04045 5.11844 5.17751 5.21458 5.21992 5.29557 5.37096 5.45126 5.47312 5.53801 5.55427 5.60579 5.61335 5.66042 5.68436 5.74876 5.77088 5.81100 5.84875 5.90565 5.91525 5.94312 5.96509 6.11123 6.16549 6.18974 6.34651 6.43242 6.60600 6.77210 7.13084 7.29278 7.47336 7.69325 8.08180 8.42218 9.54204 10.11816 10.47895 11.46652 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.012468 B = 0.002944 C = 0.002570 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2245.155477 B = 9508.313876 C =10893.656757 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.163 4.163 2 C 0.185 3.815 3 H 0.058 0.942 4 N -0.719 5.719 5 C -0.240 4.240 6 H 0.071 0.929 7 C -0.013 4.013 8 N -0.929 5.929 9 Si 0.905 3.095 10 H -0.280 1.280 11 H -0.292 1.292 12 H -0.292 1.292 13 C 0.075 3.925 14 H 0.064 0.936 15 C 0.075 3.925 16 N -0.612 5.612 17 C 0.522 3.478 18 O -0.546 6.546 19 C -0.106 4.106 20 C -0.096 4.096 21 C -0.082 4.082 22 C -0.122 4.122 23 C -0.175 4.175 24 C -0.177 4.177 25 C -0.079 4.079 26 C -0.103 4.103 27 C 0.077 3.923 28 C 0.047 3.953 29 O -0.358 6.358 30 H 0.057 0.943 31 H 0.034 0.966 32 H 0.052 0.948 33 H 0.389 0.611 34 H 0.254 0.746 35 H 0.084 0.916 36 H 0.094 0.906 37 H 0.096 0.904 38 H 0.066 0.934 39 H 0.073 0.927 40 H 0.069 0.931 41 H 0.066 0.934 42 H 0.092 0.908 43 H 0.092 0.908 44 H 0.093 0.907 45 H 0.093 0.907 46 H 0.067 0.933 47 H 0.072 0.928 48 H 0.069 0.931 49 H 0.069 0.931 50 H 0.097 0.903 51 H 0.073 0.927 52 H 0.052 0.948 53 H 0.103 0.897 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -1.239 9.679 21.436 23.552 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 -0.223 4.223 2 C 0.074 3.926 3 H 0.076 0.924 4 N -0.361 5.361 5 C -0.371 4.371 6 H 0.089 0.911 7 C -0.209 4.209 8 N -0.578 5.578 9 Si 0.737 3.263 10 H -0.205 1.205 11 H -0.219 1.219 12 H -0.219 1.219 13 C 0.015 3.985 14 H 0.082 0.918 15 C -0.048 4.048 16 N -0.346 5.346 17 C 0.310 3.690 18 O -0.423 6.423 19 C -0.128 4.128 20 C -0.134 4.134 21 C -0.119 4.119 22 C -0.122 4.122 23 C -0.212 4.212 24 C -0.214 4.214 25 C -0.117 4.117 26 C -0.141 4.141 27 C -0.046 4.046 28 C -0.031 4.031 29 O -0.276 6.276 30 H 0.076 0.924 31 H 0.053 0.947 32 H 0.071 0.929 33 H 0.224 0.776 34 H 0.064 0.936 35 H 0.102 0.898 36 H 0.112 0.888 37 H 0.114 0.886 38 H 0.085 0.915 39 H 0.092 0.908 40 H 0.088 0.912 41 H 0.085 0.915 42 H 0.110 0.890 43 H 0.110 0.890 44 H 0.111 0.889 45 H 0.111 0.889 46 H 0.086 0.914 47 H 0.091 0.909 48 H 0.088 0.912 49 H 0.088 0.912 50 H 0.115 0.885 51 H 0.092 0.908 52 H 0.071 0.929 53 H 0.121 0.879 Dipole moment (debyes) X Y Z Total from point charges -1.172 9.350 21.649 23.611 hybrid contribution 0.281 0.180 -0.802 0.869 sum -0.891 9.531 20.846 22.939 Atomic orbital electron populations 1.22426 0.98687 1.01715 0.99479 1.20192 0.92819 0.94472 0.85068 0.92411 1.42369 1.77812 1.11024 1.04889 1.19272 1.36629 0.93839 0.87341 0.91121 1.24748 1.02184 0.95947 0.98031 1.69691 1.50713 1.08628 1.28721 0.86146 0.77277 0.78782 0.84137 1.20550 1.21933 1.21902 1.23056 0.97626 0.83349 0.94471 0.91837 1.22797 1.02211 0.95112 0.84713 1.48217 1.54800 1.12553 1.19050 1.20711 0.76870 0.89983 0.81397 1.90660 1.53993 1.62469 1.35200 1.21349 0.97779 0.91438 1.02189 1.21330 0.96077 0.95714 1.00255 1.21170 0.95279 0.93593 1.01854 1.21521 0.97417 0.96583 0.96700 1.23016 1.02502 1.03637 0.91997 1.23006 1.02224 0.92049 1.04072 1.21141 0.94933 0.95460 1.00138 1.21436 0.96240 0.94380 1.02056 1.22325 1.00157 0.82067 1.00028 1.22905 0.99473 0.95166 0.85530 1.88100 1.67677 1.25466 1.46342 0.92407 0.94723 0.92889 0.77635 0.93582 0.89824 0.88794 0.88644 0.91488 0.90819 0.91187 0.91494 0.88961 0.89001 0.88885 0.88902 0.91393 0.90921 0.91242 0.91220 0.88516 0.90830 0.92922 0.87923 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 C -0.16 -2.84 9.06 37.16 0.34 -2.50 16 2 C 0.19 3.48 2.77 -67.93 -0.19 3.29 16 3 H 0.06 1.04 8.08 -51.93 -0.42 0.62 16 4 N -0.72 -17.72 5.10 -53.43 -0.27 -17.99 16 5 C -0.24 -6.50 9.93 -15.06 -0.15 -6.65 16 6 H 0.07 1.84 7.83 -52.49 -0.41 1.43 16 7 C -0.01 -0.37 5.50 -17.43 -0.10 -0.46 16 8 N -0.93 -28.02 13.06 55.49 0.72 -27.30 16 9 Si 0.91 22.11 29.55 -169.99 -5.02 17.09 16 10 H -0.28 -6.58 7.11 56.52 0.40 -6.18 16 11 H -0.29 -7.19 7.11 56.52 0.40 -6.79 16 12 H -0.29 -7.21 7.11 56.52 0.40 -6.81 16 13 C 0.07 1.19 2.62 -26.36 -0.07 1.13 16 14 H 0.06 1.11 8.14 -51.93 -0.42 0.68 16 15 C 0.07 0.92 5.36 -3.32 -0.02 0.90 16 16 N -0.61 -7.82 3.01 -172.02 -0.52 -8.33 16 17 C 0.52 6.88 6.83 -10.98 -0.08 6.81 16 18 O -0.55 -8.84 15.59 5.55 0.09 -8.75 16 19 C -0.11 -1.09 1.66 -91.83 -0.15 -1.24 16 20 C -0.10 -0.96 4.65 -26.67 -0.12 -1.08 16 21 C -0.08 -0.67 5.67 -26.56 -0.15 -0.82 16 22 C -0.12 -0.95 1.98 -154.48 -0.31 -1.26 16 23 C -0.17 -1.28 9.92 -26.79 -0.27 -1.54 16 24 C -0.18 -1.24 10.00 -26.76 -0.27 -1.51 16 25 C -0.08 -0.60 5.67 -26.56 -0.15 -0.76 16 26 C -0.10 -0.91 5.17 -26.66 -0.14 -1.04 16 27 C 0.08 0.95 6.65 -3.54 -0.02 0.93 16 28 C 0.05 0.64 6.98 37.31 0.26 0.90 16 29 O -0.36 -6.04 9.24 -35.23 -0.33 -6.37 16 30 H 0.06 1.09 7.56 -51.93 -0.39 0.70 16 31 H 0.03 0.48 6.42 -51.93 -0.33 0.15 16 32 H 0.05 0.99 8.14 -51.93 -0.42 0.57 16 33 H 0.39 10.50 7.58 -40.82 -0.31 10.19 16 34 H 0.25 7.42 8.31 -40.82 -0.34 7.08 16 35 H 0.08 0.98 6.28 -51.93 -0.33 0.66 16 36 H 0.09 0.99 5.52 -51.93 -0.29 0.70 16 37 H 0.10 0.92 6.19 -51.93 -0.32 0.60 16 38 H 0.07 0.72 8.14 -51.93 -0.42 0.29 16 39 H 0.07 0.81 7.98 -51.93 -0.41 0.40 16 40 H 0.07 0.57 8.14 -51.93 -0.42 0.14 16 41 H 0.07 0.51 8.10 -51.93 -0.42 0.09 16 42 H 0.09 0.66 8.14 -51.93 -0.42 0.24 16 43 H 0.09 0.64 8.14 -51.93 -0.42 0.22 16 44 H 0.09 0.60 8.14 -51.93 -0.42 0.18 16 45 H 0.09 0.61 8.14 -51.93 -0.42 0.19 16 46 H 0.07 0.47 8.09 -51.93 -0.42 0.05 16 47 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 48 H 0.07 0.59 7.80 -51.93 -0.41 0.18 16 49 H 0.07 0.66 8.14 -51.93 -0.42 0.24 16 50 H 0.10 1.21 7.07 -51.93 -0.37 0.85 16 51 H 0.07 0.84 8.14 -51.93 -0.42 0.42 16 52 H 0.05 0.74 8.14 -51.93 -0.42 0.32 16 53 H 0.10 1.18 8.14 -51.93 -0.42 0.76 16 LS Contribution 405.95 15.07 6.12 6.12 Total: -1.00 -31.91 405.95 -10.25 -42.16 By element: Atomic # 1 Polarization: 17.76 SS G_CDS: -9.46 Total: 8.30 kcal Atomic # 6 Polarization: -3.34 SS G_CDS: -1.58 Total: -4.91 kcal Atomic # 7 Polarization: -53.56 SS G_CDS: -0.07 Total: -53.63 kcal Atomic # 8 Polarization: -14.88 SS G_CDS: -0.24 Total: -15.12 kcal Atomic # 14 Polarization: 22.11 SS G_CDS: -5.02 Total: 17.09 kcal Total LS contribution 6.12 Total: 6.12 kcal Total: -31.91 -10.25 -42.16 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. ZINC001506840934.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 -12.693 kcal (2) G-P(sol) polarization free energy of solvation -31.911 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -44.605 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.245 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.157 kcal (6) G-S(sol) free energy of system = (1) + (5) -54.850 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.89 seconds