Wall clock time and date at job start Wed Apr 1 2020 00:05:25 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 1.42902 * 1 3 3 C 1.42906 * 113.99453 * 2 1 4 4 C 1.53006 * 109.46898 * 179.97438 * 3 2 1 5 5 C 1.52992 * 109.47028 * 176.23432 * 4 3 2 6 6 N 1.46503 * 109.46446 * 293.70681 * 5 4 3 7 7 C 1.34771 * 120.00082 * 300.55404 * 6 5 4 8 8 O 1.21290 * 120.00022 * 5.45997 * 7 6 5 9 9 C 1.50700 * 120.00469 * 185.46526 * 7 6 5 10 10 H 1.08998 * 110.41883 * 58.48097 * 9 7 6 11 11 O 1.44423 * 110.37466 * 180.79575 * 9 7 6 12 12 C 1.44427 * 105.27439 * 159.33968 * 11 9 7 13 13 C 1.54476 * 104.80297 * 319.49196 * 12 11 9 14 14 C 1.54477 * 110.36987 * 296.17903 * 9 7 6 15 15 H 1.08996 * 110.63242 * 98.48424 * 14 9 7 16 16 C 1.53001 * 110.50978 * 335.83021 * 14 9 7 17 17 C 1.53047 * 109.46164 * 53.68090 * 5 4 3 18 18 C 1.53159 * 109.32706 * 181.38433 * 17 5 4 19 19 N 1.46923 * 108.77150 * 305.35310 * 18 17 5 20 20 C 1.36930 * 120.63423 * 233.59021 * 19 18 17 21 21 H 1.08000 * 120.00283 * 31.61208 * 20 19 18 22 22 C 1.38816 * 120.00603 * 211.61058 * 20 19 18 23 23 N 1.31623 * 119.99163 * 10.52357 * 22 20 19 24 24 Si 1.86794 * 120.00625 * 190.52437 * 22 20 19 25 25 H 1.48498 * 109.46875 * 90.00050 * 24 22 20 26 26 H 1.48498 * 109.47364 * 210.00218 * 24 22 20 27 27 H 1.48498 * 109.46929 * 330.00091 * 24 22 20 28 28 C 1.46924 * 118.73733 * 53.61148 * 19 18 17 29 29 C 1.53039 * 109.46194 * 173.73425 * 5 4 3 30 30 H 1.09007 * 109.46855 * 60.00580 * 1 2 3 31 31 H 1.09004 * 109.46508 * 179.97438 * 1 2 3 32 32 H 1.08995 * 109.47430 * 299.99864 * 1 2 3 33 33 H 1.08995 * 109.47198 * 59.99799 * 3 2 1 34 34 H 1.09001 * 109.47176 * 299.99178 * 3 2 1 35 35 H 1.09006 * 109.46901 * 56.23579 * 4 3 2 36 36 H 1.09002 * 109.46981 * 296.23641 * 4 3 2 37 37 H 0.96999 * 119.99735 * 120.54589 * 6 5 4 38 38 H 1.09000 * 110.37441 * 200.65374 * 12 11 9 39 39 H 1.09001 * 110.46127 * 78.37067 * 12 11 9 40 40 H 1.09004 * 110.50730 * 265.32501 * 13 12 11 41 41 H 1.09004 * 110.63056 * 142.68280 * 13 12 11 42 42 H 1.09001 * 109.47356 * 314.18927 * 16 14 9 43 43 H 1.09010 * 109.47027 * 194.19055 * 16 14 9 44 44 H 1.08998 * 109.47120 * 74.19217 * 16 14 9 45 45 H 1.08996 * 109.49356 * 301.32380 * 17 5 4 46 46 H 1.09001 * 109.49214 * 61.41847 * 17 5 4 47 47 H 1.09002 * 109.59215 * 185.56922 * 18 17 5 48 48 H 1.09004 * 109.71258 * 65.21217 * 18 17 5 49 49 H 0.97004 * 119.99568 * 179.97438 * 23 22 20 50 50 H 1.08996 * 109.59101 * 186.60700 * 28 19 18 51 51 H 1.09005 * 109.70613 * 66.25124 * 28 19 18 52 52 H 1.09000 * 109.49728 * 298.58344 * 29 5 4 53 53 H 1.09001 * 109.49707 * 58.67952 * 29 5 4 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 2.0101 1.3056 0.0000 4 6 3.5354 1.1848 0.0006 5 6 4.1574 2.5794 -0.0941 6 7 3.8424 3.1668 -1.3987 7 6 4.2355 2.5474 -2.5292 8 8 4.7620 1.4562 -2.4713 9 6 4.0211 3.2104 -3.8655 10 1 4.5241 4.1768 -3.8955 11 8 4.4998 2.3609 -4.9309 12 6 3.8239 2.8245 -6.1200 13 6 2.3787 3.1214 -5.6622 14 6 2.5114 3.3811 -4.1449 15 1 2.1876 4.3928 -3.9008 16 6 1.7000 2.3542 -3.3523 17 6 3.5894 3.4675 1.0154 18 6 4.1879 4.8723 0.8966 19 7 5.6531 4.7639 0.9016 20 6 6.4032 5.4862 1.7908 21 1 6.0059 5.7203 2.7674 22 6 7.6743 5.9177 1.4371 23 7 8.0797 5.8171 0.1889 24 14 8.8094 6.6409 2.7324 25 1 9.6181 5.5556 3.3434 26 1 9.7128 7.6351 2.0996 27 1 7.9996 7.3068 3.7840 28 6 6.2984 3.8660 -0.0660 29 6 5.6759 2.4723 0.0635 30 1 -0.3633 0.5138 -0.8901 31 1 -0.3632 -1.0277 -0.0005 32 1 -0.3634 0.5138 0.8899 33 1 1.6885 1.8465 0.8899 34 1 1.6886 1.8464 -0.8901 35 1 3.8529 0.5866 -0.8535 36 1 3.8614 0.7034 0.9227 37 1 3.3509 4.0015 -1.4488 38 1 3.8277 2.0486 -6.8856 39 1 4.2962 3.7314 -6.4977 40 1 1.7351 2.2615 -5.8478 41 1 1.9894 4.0049 -6.1683 42 1 2.1631 1.3722 -3.4491 43 1 0.6826 2.3161 -3.7418 44 1 1.6762 2.6427 -2.3015 45 1 2.5054 3.5247 0.9165 46 1 3.8448 3.0441 1.9868 47 1 3.8637 5.4804 1.7412 48 1 3.8589 5.3346 -0.0341 49 1 8.9678 6.1190 -0.0584 50 1 7.3666 3.8100 0.1434 51 1 6.1435 4.2429 -1.0770 52 1 5.9116 2.0583 1.0439 53 1 6.0772 1.8211 -0.7130 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 ZINC001151326980.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 00:05:25 Heat of formation + Delta-G solvation = -101.225920 kcal Electronic energy + Delta-G solvation = -33202.719803 eV Core-core repulsion = 29075.368059 eV Total energy + Delta-G solvation = -4127.351744 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.28 seconds Orbital eigenvalues (eV) -40.78993 -39.27635 -37.69978 -37.01062 -34.56591 -33.72516 -32.02334 -31.47328 -30.27958 -29.80660 -28.71963 -27.03794 -26.47104 -24.87213 -23.40290 -23.12182 -22.04213 -21.38895 -20.59400 -19.89389 -18.59561 -17.33755 -16.89758 -16.71253 -16.39636 -15.99874 -15.60485 -15.08881 -14.89193 -14.83730 -14.60382 -14.23334 -13.87605 -13.75561 -13.47418 -13.40046 -13.16924 -13.06575 -12.83619 -12.66514 -12.52907 -12.30352 -11.65594 -11.60251 -11.47908 -11.43038 -11.35196 -11.21542 -11.04613 -10.93096 -10.87005 -10.83313 -10.71880 -10.35270 -10.24853 -9.99410 -9.88270 -9.64983 -9.64206 -9.42444 -8.96101 -8.56651 -8.47001 -6.61691 -5.77940 -3.27053 2.90529 3.20151 3.37337 3.44001 3.44811 3.81105 4.04124 4.28201 4.48052 4.53985 4.68110 4.92163 4.98398 5.06088 5.13448 5.17782 5.24026 5.27953 5.30494 5.37049 5.37991 5.42115 5.47525 5.51244 5.54152 5.54986 5.57137 5.61024 5.73722 5.75322 5.79823 5.91334 6.00767 6.11568 6.15151 6.23137 6.36325 6.41525 6.55324 6.63204 6.65280 6.71292 6.82319 6.90560 7.07740 7.23320 7.42695 7.73559 7.79715 7.89116 8.47868 8.59384 9.22434 9.83640 10.41584 11.29378 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.010898 B = 0.004158 C = 0.003291 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2568.669414 B = 6732.355414 C = 8507.295112 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.033 3.967 2 O -0.391 6.391 3 C 0.057 3.943 4 C -0.134 4.134 5 C 0.197 3.803 6 N -0.711 5.711 7 C 0.531 3.469 8 O -0.517 6.517 9 C 0.057 3.943 10 H 0.095 0.905 11 O -0.341 6.341 12 C 0.041 3.959 13 C -0.149 4.149 14 C -0.116 4.116 15 H 0.091 0.909 16 C -0.157 4.157 17 C -0.141 4.141 18 C 0.146 3.854 19 N -0.590 5.590 20 C -0.255 4.255 21 H 0.063 0.937 22 C 0.006 3.994 23 N -0.902 5.902 24 Si 0.904 3.096 25 H -0.287 1.287 26 H -0.291 1.291 27 H -0.279 1.279 28 C 0.179 3.821 29 C -0.150 4.150 30 H 0.037 0.963 31 H 0.081 0.919 32 H 0.038 0.962 33 H 0.047 0.953 34 H 0.052 0.948 35 H 0.097 0.903 36 H 0.072 0.928 37 H 0.396 0.604 38 H 0.093 0.907 39 H 0.061 0.939 40 H 0.078 0.922 41 H 0.078 0.922 42 H 0.066 0.934 43 H 0.059 0.941 44 H 0.067 0.933 45 H 0.056 0.944 46 H 0.076 0.924 47 H 0.055 0.945 48 H 0.014 0.986 49 H 0.254 0.746 50 H 0.086 0.914 51 H 0.017 0.983 52 H 0.062 0.938 53 H 0.069 0.931 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -16.804 -5.213 -8.370 19.483 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 -0.064 4.064 2 O -0.310 6.310 3 C -0.019 4.019 4 C -0.172 4.172 5 C 0.112 3.888 6 N -0.364 5.364 7 C 0.316 3.684 8 O -0.392 6.392 9 C -0.005 4.005 10 H 0.113 0.887 11 O -0.259 6.259 12 C -0.036 4.036 13 C -0.187 4.187 14 C -0.135 4.135 15 H 0.109 0.891 16 C -0.214 4.214 17 C -0.181 4.181 18 C 0.020 3.980 19 N -0.312 5.312 20 C -0.385 4.385 21 H 0.081 0.919 22 C -0.193 4.193 23 N -0.546 5.546 24 Si 0.734 3.266 25 H -0.214 1.214 26 H -0.217 1.217 27 H -0.205 1.205 28 C 0.054 3.946 29 C -0.190 4.190 30 H 0.055 0.945 31 H 0.100 0.900 32 H 0.057 0.943 33 H 0.066 0.934 34 H 0.070 0.930 35 H 0.115 0.885 36 H 0.091 0.909 37 H 0.231 0.769 38 H 0.111 0.889 39 H 0.080 0.920 40 H 0.096 0.904 41 H 0.097 0.903 42 H 0.085 0.915 43 H 0.078 0.922 44 H 0.086 0.914 45 H 0.075 0.925 46 H 0.095 0.905 47 H 0.074 0.926 48 H 0.031 0.969 49 H 0.064 0.936 50 H 0.104 0.896 51 H 0.035 0.965 52 H 0.080 0.920 53 H 0.087 0.913 Dipole moment (debyes) X Y Z Total from point charges -15.951 -6.278 -8.371 19.076 hybrid contribution 0.035 1.341 0.502 1.432 sum -15.915 -4.937 -7.869 18.428 Atomic orbital electron populations 1.22684 0.81816 1.02303 0.99622 1.87900 1.19013 1.28771 1.95354 1.22849 0.94906 0.84096 1.00005 1.22050 0.92211 0.98246 1.04679 1.20181 0.96311 0.90882 0.81403 1.46013 1.58346 1.26778 1.05281 1.19802 0.78187 0.85726 0.84731 1.90648 1.41889 1.19852 1.86787 1.23025 0.94392 0.94774 0.88270 0.88698 1.89289 1.65442 1.55248 1.15915 1.23457 0.91016 1.00076 0.89084 1.23043 0.98153 1.02658 0.94854 1.22494 0.94147 1.00994 0.95854 0.89094 1.22156 0.99549 0.99473 1.00180 1.22425 0.98500 0.98941 0.98203 1.20859 0.86476 0.92383 0.98329 1.44004 0.99275 1.47992 1.39977 1.19156 0.97692 1.28017 0.93648 0.91900 1.25162 0.99575 0.98844 0.95675 1.69981 1.18965 1.50289 1.15389 0.86277 0.80798 0.78648 0.80914 1.21406 1.21734 1.20469 1.20690 0.98124 0.84505 0.91304 1.22578 0.92926 1.01929 1.01605 0.94465 0.90022 0.94342 0.93441 0.92970 0.88505 0.90934 0.76907 0.88884 0.92041 0.90368 0.90289 0.91495 0.92216 0.91410 0.92534 0.90489 0.92629 0.96863 0.93614 0.89614 0.96521 0.91963 0.91262 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 11.01 101.05 1.11 1.44 16 2 O -0.39 -5.51 10.70 -35.23 -0.38 -5.89 16 3 C 0.06 0.76 5.21 37.16 0.19 0.96 16 4 C -0.13 -2.10 4.53 -26.73 -0.12 -2.22 16 5 C 0.20 3.22 0.36 -131.78 -0.05 3.18 16 6 N -0.71 -10.60 2.52 -47.57 -0.12 -10.72 16 7 C 0.53 8.70 4.83 -10.99 -0.05 8.65 16 8 O -0.52 -10.39 12.76 -13.67 -0.17 -10.56 16 9 C 0.06 0.78 3.61 -27.11 -0.10 0.68 16 10 H 0.10 1.26 8.14 -51.93 -0.42 0.84 16 11 O -0.34 -5.24 10.91 -54.45 -0.59 -5.83 16 12 C 0.04 0.42 7.63 37.93 0.29 0.71 16 13 C -0.15 -1.28 6.73 -25.17 -0.17 -1.45 16 14 C -0.12 -1.16 3.59 -89.05 -0.32 -1.48 16 15 H 0.09 0.74 8.14 -51.93 -0.42 0.32 16 16 C -0.16 -1.63 7.75 37.16 0.29 -1.34 16 17 C -0.14 -2.20 4.47 -26.62 -0.12 -2.32 16 18 C 0.15 2.77 6.24 -3.73 -0.02 2.75 16 19 N -0.59 -14.07 2.98 -172.34 -0.51 -14.58 16 20 C -0.26 -6.81 9.58 -15.06 -0.14 -6.96 16 21 H 0.06 1.65 7.85 -52.49 -0.41 1.24 16 22 C 0.01 0.18 5.05 -17.43 -0.09 0.09 16 23 N -0.90 -25.94 11.06 55.49 0.61 -25.32 16 24 Si 0.90 21.53 29.57 -169.99 -5.03 16.51 16 25 H -0.29 -6.88 7.11 56.52 0.40 -6.48 16 26 H -0.29 -7.02 7.11 56.52 0.40 -6.62 16 27 H -0.28 -6.49 7.11 56.52 0.40 -6.09 16 28 C 0.18 4.26 4.99 -3.71 -0.02 4.25 16 29 C -0.15 -3.03 4.68 -26.61 -0.12 -3.15 16 30 H 0.04 0.33 8.14 -51.92 -0.42 -0.09 16 31 H 0.08 0.69 8.14 -51.93 -0.42 0.27 16 32 H 0.04 0.34 8.14 -51.93 -0.42 -0.08 16 33 H 0.05 0.59 6.53 -51.93 -0.34 0.25 16 34 H 0.05 0.65 4.68 -51.93 -0.24 0.41 16 35 H 0.10 1.77 5.79 -51.93 -0.30 1.47 16 36 H 0.07 1.15 8.14 -51.93 -0.42 0.73 16 37 H 0.40 5.18 7.18 -40.82 -0.29 4.89 16 38 H 0.09 0.83 8.14 -51.93 -0.42 0.41 16 39 H 0.06 0.56 8.14 -51.93 -0.42 0.14 16 40 H 0.08 0.64 7.73 -51.93 -0.40 0.24 16 41 H 0.08 0.52 8.14 -51.93 -0.42 0.10 16 42 H 0.07 0.88 7.67 -51.93 -0.40 0.48 16 43 H 0.06 0.51 8.14 -51.92 -0.42 0.08 16 44 H 0.07 0.71 4.11 -51.93 -0.21 0.50 16 45 H 0.06 0.72 6.34 -51.93 -0.33 0.39 16 46 H 0.08 1.26 8.14 -51.93 -0.42 0.84 16 47 H 0.06 1.04 7.93 -51.93 -0.41 0.63 16 48 H 0.01 0.25 6.94 -51.93 -0.36 -0.11 16 49 H 0.25 7.12 8.31 -40.82 -0.34 6.78 16 50 H 0.09 2.36 6.12 -51.93 -0.32 2.04 16 51 H 0.02 0.42 7.74 -51.93 -0.40 0.02 16 52 H 0.06 1.27 8.14 -51.93 -0.42 0.85 16 53 H 0.07 1.48 6.44 -51.93 -0.33 1.14 16 LS Contribution 391.15 15.07 5.89 5.89 Total: -1.00 -32.47 391.15 -8.70 -41.18 By element: Atomic # 1 Polarization: 14.51 SS G_CDS: -8.96 Total: 5.55 kcal Atomic # 6 Polarization: 3.22 SS G_CDS: 0.56 Total: 3.78 kcal Atomic # 7 Polarization: -50.61 SS G_CDS: -0.02 Total: -50.63 kcal Atomic # 8 Polarization: -21.13 SS G_CDS: -1.15 Total: -22.28 kcal Atomic # 14 Polarization: 21.53 SS G_CDS: -5.03 Total: 16.51 kcal Total LS contribution 5.89 Total: 5.89 kcal Total: -32.47 -8.70 -41.18 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. ZINC001151326980.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 -60.048 kcal (2) G-P(sol) polarization free energy of solvation -32.474 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -92.522 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.704 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.178 kcal (6) G-S(sol) free energy of system = (1) + (5) -101.226 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.28 seconds