Wall clock time and date at job start Sat Apr 11 2020 06:13:10 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 1.53008 * 1 3 3 C 1.53005 * 109.46873 * 2 1 4 4 H 1.08994 * 109.47075 * 54.04461 * 3 2 1 5 5 C 1.50696 * 109.46791 * 174.04412 * 3 2 1 6 6 O 1.21280 * 120.00455 * 108.54942 * 5 3 2 7 7 N 1.34774 * 120.00010 * 288.55363 * 5 3 2 8 8 C 1.48150 * 127.84014 * 355.92222 * 7 5 3 9 9 C 1.54393 * 104.61714 * 140.42064 * 8 7 5 10 10 H 1.08994 * 110.33782 * 142.74306 * 9 8 7 11 11 C 1.53006 * 110.42869 * 264.95128 * 9 8 7 12 12 C 1.54280 * 104.96125 * 23.86761 * 9 8 7 13 13 H 1.08997 * 110.34421 * 241.02488 * 12 9 8 14 14 N 1.46897 * 110.34055 * 118.86924 * 12 9 8 15 15 C 1.46906 * 111.00152 * 156.47637 * 14 12 9 16 16 C 1.50701 * 109.47142 * 180.02562 * 15 14 12 17 17 O 1.21286 * 120.00270 * 0.02562 * 16 15 14 18 18 N 1.34775 * 119.99762 * 179.97438 * 16 15 14 19 19 C 1.37098 * 120.00149 * 179.97438 * 18 16 15 20 20 H 1.08000 * 119.99563 * 359.97438 * 19 18 16 21 21 C 1.38949 * 119.99918 * 180.02562 * 19 18 16 22 22 N 1.31408 * 120.00243 * 359.97438 * 21 19 18 23 23 Si 1.86804 * 119.99523 * 180.02562 * 21 19 18 24 24 H 1.48500 * 109.47301 * 359.97438 * 23 21 19 25 25 H 1.48502 * 109.46996 * 119.99787 * 23 21 19 26 26 H 1.48498 * 109.47045 * 239.99291 * 23 21 19 27 27 C 1.48317 * 127.77262 * 175.85774 * 7 5 3 28 28 N 1.46904 * 109.47118 * 294.04114 * 3 2 1 29 29 C 1.46899 * 111.00199 * 321.25679 * 28 3 2 30 30 C 1.46900 * 110.99444 * 85.20944 * 28 3 2 31 31 H 1.09000 * 109.46858 * 196.24004 * 1 2 3 32 32 H 1.09003 * 109.46690 * 316.24059 * 1 2 3 33 33 H 1.08998 * 109.46865 * 76.23966 * 1 2 3 34 34 H 1.08997 * 109.46768 * 240.00073 * 2 1 3 35 35 H 1.08998 * 109.47080 * 119.99914 * 2 1 3 36 36 H 1.08999 * 110.40189 * 21.63808 * 8 7 5 37 37 H 1.08996 * 110.50753 * 259.25348 * 8 7 5 38 38 H 1.09000 * 109.46548 * 175.58792 * 11 9 8 39 39 H 1.08993 * 109.47041 * 295.58938 * 11 9 8 40 40 H 1.09000 * 109.47086 * 55.59555 * 11 9 8 41 41 H 1.00897 * 111.00332 * 32.52322 * 14 12 9 42 42 H 1.09001 * 109.46929 * 300.00179 * 15 14 12 43 43 H 1.08993 * 109.46901 * 59.99612 * 15 14 12 44 44 H 0.97008 * 119.99843 * 0.02562 * 18 16 15 45 45 H 0.97002 * 119.99654 * 180.02562 * 22 21 19 46 46 H 1.09002 * 110.38205 * 100.78690 * 27 7 5 47 47 H 1.09000 * 110.50643 * 338.30786 * 27 7 5 48 48 H 1.09000 * 109.47352 * 59.99705 * 29 28 3 49 49 H 1.08993 * 109.47099 * 180.02562 * 29 28 3 50 50 H 1.09005 * 109.46683 * 300.00125 * 29 28 3 51 51 H 1.08996 * 109.47351 * 63.96215 * 30 28 3 52 52 H 1.09005 * 109.46350 * 183.95877 * 30 28 3 53 53 H 1.08997 * 109.47441 * 303.95895 * 30 28 3 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 1.4426 0.0000 4 1 1.5923 1.9862 0.8318 5 6 3.5398 1.4451 0.1474 6 8 4.2413 1.7456 -0.7951 7 7 4.1015 1.1133 1.3267 8 6 3.4176 0.8012 2.6033 9 6 4.2249 -0.3711 3.2014 10 1 4.2902 -0.2723 4.2849 11 6 3.5814 -1.7081 2.8279 12 6 5.6262 -0.2544 2.5666 13 1 5.8562 -1.1496 1.9888 14 7 6.6420 -0.0441 3.6068 15 6 7.9675 -0.4756 3.1431 16 6 8.9809 -0.2456 4.2346 17 8 8.6332 0.2304 5.2945 18 7 10.2735 -0.5699 4.0332 19 6 11.1955 -0.3602 5.0258 20 1 10.8861 0.0652 5.9691 21 6 12.5282 -0.6940 4.8180 22 7 12.9047 -1.2112 3.6701 23 14 13.7844 -0.4089 6.1709 24 1 13.1104 0.1789 7.3564 25 1 14.4091 -1.7026 6.5469 26 1 14.8325 0.5239 5.6846 27 6 5.5450 0.9770 1.6390 28 7 1.6713 2.0923 -1.2649 29 6 1.8050 1.1615 -2.3935 30 6 0.3117 2.6445 -1.1961 31 1 -0.3633 -0.9867 0.2874 32 1 -0.3633 0.7423 0.7108 33 1 -0.3633 0.2444 -0.9982 34 1 1.8933 -0.5138 -0.8900 35 1 1.8934 -0.5138 0.8900 36 1 2.3872 0.4978 2.4181 37 1 3.4454 1.6618 3.2717 38 1 4.2051 -2.5252 3.1904 39 1 2.5934 -1.7755 3.2831 40 1 3.4876 -1.7759 1.7440 41 1 6.3870 -0.5152 4.4618 42 1 7.9375 -1.5362 2.8932 43 1 8.2479 0.0980 2.2597 44 1 10.5515 -0.9510 3.1855 45 1 13.8350 -1.4445 3.5252 46 1 5.9074 1.8661 2.1550 47 1 6.1182 0.8051 0.7280 48 1 1.1503 0.3043 -2.2370 49 1 1.5263 1.6683 -3.3173 50 1 2.8383 0.8215 -2.4634 51 1 0.2770 3.4321 -0.4435 52 1 0.0378 3.0574 -2.1671 53 1 -0.3885 1.8537 -0.9270 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 ZINC001215571828.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 06:13:10 Heat of formation + Delta-G solvation = -44.014659 kcal Electronic energy + Delta-G solvation = -30724.896405 eV Core-core repulsion = 26632.318278 eV Total energy + Delta-G solvation = -4092.578126 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.69 seconds Orbital eigenvalues (eV) -40.71439 -39.08139 -38.10734 -37.29332 -34.73886 -33.80369 -32.73642 -32.39100 -31.21248 -29.65656 -28.28863 -27.89042 -26.74492 -26.13796 -24.25568 -23.30071 -22.57740 -21.30798 -20.29525 -19.41293 -19.07158 -17.87219 -17.46550 -16.74145 -16.34953 -15.88637 -15.66695 -15.39688 -15.26743 -14.79126 -14.64412 -14.36941 -14.10581 -13.85505 -13.67708 -13.64413 -13.30130 -13.18291 -13.07800 -12.87691 -12.65265 -12.41187 -12.27548 -12.16817 -12.07658 -11.95553 -11.86091 -11.64247 -11.61401 -11.50324 -11.35622 -11.15422 -11.04751 -11.00615 -10.79805 -10.34201 -10.22338 -9.78464 -9.52126 -8.82267 -8.50144 -8.45986 -8.12896 -7.96369 -6.41638 -3.82520 2.54036 2.68256 3.16575 3.27236 3.34370 3.68390 3.90129 4.04570 4.17680 4.27993 4.33692 4.37703 4.48501 4.54561 4.71533 4.83456 4.89041 4.89760 5.02882 5.04945 5.09741 5.19092 5.19936 5.24289 5.26276 5.28661 5.29666 5.37117 5.44994 5.48019 5.50851 5.59423 5.64838 5.71467 5.72904 5.80183 5.81865 5.82596 5.89146 5.98052 6.00740 6.13968 6.28673 6.61240 6.71504 7.17200 7.46119 7.55531 7.60319 8.06302 8.13285 8.60843 9.17836 9.54211 10.05194 10.76099 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.025255 B = 0.001971 C = 0.001903 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1108.434542 B =14202.244792 C =14706.963438 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.156 4.156 2 C -0.158 4.158 3 C 0.072 3.928 4 H 0.100 0.900 5 C 0.540 3.460 6 O -0.522 6.522 7 N -0.624 5.624 8 C 0.106 3.894 9 C -0.109 4.109 10 H 0.097 0.903 11 C -0.145 4.145 12 C 0.077 3.923 13 H 0.057 0.943 14 N -0.658 5.658 15 C 0.049 3.951 16 C 0.441 3.559 17 O -0.584 6.584 18 N -0.563 5.563 19 C -0.299 4.299 20 H 0.104 0.896 21 C 0.021 3.979 22 N -0.901 5.901 23 Si 0.930 3.070 24 H -0.268 1.268 25 H -0.282 1.282 26 H -0.281 1.281 27 C 0.115 3.885 28 N -0.522 5.522 29 C 0.019 3.981 30 C 0.007 3.993 31 H 0.060 0.940 32 H 0.060 0.940 33 H 0.062 0.938 34 H 0.079 0.921 35 H 0.078 0.922 36 H 0.078 0.922 37 H 0.077 0.923 38 H 0.060 0.940 39 H 0.059 0.941 40 H 0.055 0.945 41 H 0.353 0.647 42 H 0.045 0.955 43 H 0.086 0.914 44 H 0.392 0.608 45 H 0.271 0.729 46 H 0.086 0.914 47 H 0.078 0.922 48 H 0.032 0.968 49 H 0.066 0.934 50 H 0.078 0.922 51 H 0.066 0.934 52 H 0.069 0.931 53 H 0.045 0.955 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -27.573 -0.377 -8.847 28.960 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 -0.213 4.213 2 C -0.197 4.197 3 C -0.040 4.040 4 H 0.118 0.882 5 C 0.328 3.672 6 O -0.396 6.396 7 N -0.359 5.359 8 C -0.018 4.018 9 C -0.129 4.129 10 H 0.115 0.885 11 C -0.202 4.202 12 C -0.034 4.034 13 H 0.074 0.926 14 N -0.292 5.292 15 C -0.084 4.084 16 C 0.227 3.773 17 O -0.468 6.468 18 N -0.200 5.200 19 C -0.428 4.428 20 H 0.122 0.878 21 C -0.180 4.180 22 N -0.542 5.542 23 Si 0.757 3.243 24 H -0.192 1.192 25 H -0.208 1.208 26 H -0.207 1.207 27 C -0.008 4.008 28 N -0.245 5.245 29 C -0.129 4.129 30 C -0.141 4.141 31 H 0.079 0.921 32 H 0.079 0.921 33 H 0.081 0.919 34 H 0.097 0.903 35 H 0.097 0.903 36 H 0.097 0.903 37 H 0.096 0.904 38 H 0.079 0.921 39 H 0.078 0.922 40 H 0.074 0.926 41 H 0.174 0.826 42 H 0.063 0.937 43 H 0.105 0.895 44 H 0.226 0.774 45 H 0.081 0.919 46 H 0.104 0.896 47 H 0.097 0.903 48 H 0.051 0.949 49 H 0.085 0.915 50 H 0.096 0.904 51 H 0.085 0.915 52 H 0.088 0.912 53 H 0.063 0.937 Dipole moment (debyes) X Y Z Total from point charges -26.849 1.144 -9.069 28.363 hybrid contribution 0.341 -1.727 0.300 1.786 sum -26.508 -0.583 -8.770 27.927 Atomic orbital electron populations 1.22057 0.94908 1.02258 1.02077 1.22266 0.96881 0.96374 1.04170 1.21649 0.92755 0.95111 0.94494 0.88191 1.20050 0.89805 0.76488 0.80884 1.90698 1.63761 1.46831 1.38320 1.48982 1.08395 1.69190 1.09369 1.22507 0.96507 0.97696 0.85064 1.22302 0.94376 0.94907 1.01313 0.88499 1.21887 1.00610 0.96223 1.01513 1.22491 0.90964 0.96731 0.93236 0.92553 1.60111 1.00245 1.63486 1.05347 1.21754 0.89620 0.98577 0.98416 1.19770 0.83484 0.84943 0.89150 1.90520 1.79643 1.48976 1.27658 1.41878 1.05950 1.55510 1.16659 1.19751 0.87517 1.39112 0.96455 0.87845 1.25275 0.98104 0.97003 0.97639 1.69621 1.18259 1.42984 1.23362 0.85797 0.79991 0.77926 0.80606 1.19209 1.20790 1.20735 1.22440 0.80896 0.98731 0.98701 1.61758 1.25211 1.35543 1.01975 1.22562 1.02647 0.94581 0.93101 1.22803 0.88624 0.99763 1.02885 0.92130 0.92144 0.91940 0.90264 0.90321 0.90336 0.90442 0.92133 0.92227 0.92578 0.82595 0.93733 0.89535 0.77445 0.91908 0.89554 0.90302 0.94918 0.91500 0.90365 0.91480 0.91234 0.93673 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 -0.77 8.10 37.16 0.30 -0.47 16 2 C -0.16 -1.07 4.62 -26.72 -0.12 -1.20 16 3 C 0.07 0.64 1.56 -68.86 -0.11 0.53 16 4 H 0.10 0.76 7.51 -51.93 -0.39 0.37 16 5 C 0.54 6.74 7.09 -10.99 -0.08 6.66 16 6 O -0.52 -8.66 15.45 5.56 0.09 -8.57 16 7 N -0.62 -6.97 3.32 -169.16 -0.56 -7.53 16 8 C 0.11 0.87 6.08 -2.40 -0.01 0.86 16 9 C -0.11 -0.97 3.33 -89.22 -0.30 -1.26 16 10 H 0.10 0.86 7.55 -51.93 -0.39 0.47 16 11 C -0.14 -1.06 8.75 37.16 0.33 -0.74 16 12 C 0.08 0.90 3.03 -66.32 -0.20 0.70 16 13 H 0.06 0.67 7.41 -51.93 -0.38 0.28 16 14 N -0.66 -9.91 5.90 -106.52 -0.63 -10.54 16 15 C 0.05 0.84 6.01 -4.97 -0.03 0.81 16 16 C 0.44 10.28 7.82 -10.99 -0.09 10.19 16 17 O -0.58 -15.60 15.78 5.55 0.09 -15.51 16 18 N -0.56 -14.26 5.29 -10.96 -0.06 -14.32 16 19 C -0.30 -8.33 9.68 -14.93 -0.14 -8.48 16 20 H 0.10 3.03 7.16 -52.49 -0.38 2.65 16 21 C 0.02 0.57 5.50 -17.47 -0.10 0.48 16 22 N -0.90 -24.62 13.05 55.50 0.72 -23.90 16 23 Si 0.93 21.10 29.55 -169.99 -5.02 16.07 16 24 H -0.27 -6.07 7.11 56.52 0.40 -5.67 16 25 H -0.28 -6.28 7.11 56.52 0.40 -5.88 16 26 H -0.28 -6.31 7.11 56.52 0.40 -5.91 16 27 C 0.12 1.48 6.72 -2.31 -0.02 1.47 16 28 N -0.52 -4.98 4.53 -244.59 -1.11 -6.09 16 29 C 0.02 0.17 8.14 60.06 0.49 0.66 16 30 C 0.01 0.05 9.16 60.06 0.55 0.60 16 31 H 0.06 0.27 8.14 -51.93 -0.42 -0.16 16 32 H 0.06 0.27 7.57 -51.93 -0.39 -0.13 16 33 H 0.06 0.31 5.17 -51.93 -0.27 0.05 16 34 H 0.08 0.61 6.01 -51.93 -0.31 0.30 16 35 H 0.08 0.50 5.42 -51.93 -0.28 0.22 16 36 H 0.08 0.48 5.45 -51.93 -0.28 0.20 16 37 H 0.08 0.64 8.14 -51.93 -0.42 0.21 16 38 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 39 H 0.06 0.34 8.14 -51.93 -0.42 -0.08 16 40 H 0.06 0.43 7.45 -51.93 -0.39 0.04 16 41 H 0.35 5.37 7.79 -39.29 -0.31 5.06 16 42 H 0.04 0.69 8.07 -51.93 -0.42 0.27 16 43 H 0.09 1.42 8.14 -51.93 -0.42 1.00 16 44 H 0.39 9.53 7.90 -40.82 -0.32 9.21 16 45 H 0.27 6.99 8.31 -40.82 -0.34 6.65 16 46 H 0.09 1.24 8.06 -51.93 -0.42 0.82 16 47 H 0.08 1.11 7.92 -51.93 -0.41 0.70 16 48 H 0.03 0.23 4.90 -51.93 -0.25 -0.02 16 49 H 0.07 0.53 8.08 -51.93 -0.42 0.11 16 50 H 0.08 0.87 6.89 -51.93 -0.36 0.52 16 51 H 0.07 0.43 8.13 -51.93 -0.42 0.00 16 52 H 0.07 0.43 8.05 -51.93 -0.42 0.01 16 53 H 0.05 0.24 4.04 -51.93 -0.21 0.03 16 LS Contribution 405.33 15.07 6.11 6.11 Total: -1.00 -33.49 405.33 -8.58 -42.07 By element: Atomic # 1 Polarization: 20.06 SS G_CDS: -8.68 Total: 11.39 kcal Atomic # 6 Polarization: 10.35 SS G_CDS: 0.47 Total: 10.82 kcal Atomic # 7 Polarization: -60.74 SS G_CDS: -1.63 Total: -62.37 kcal Atomic # 8 Polarization: -24.26 SS G_CDS: 0.17 Total: -24.08 kcal Atomic # 14 Polarization: 21.10 SS G_CDS: -5.02 Total: 16.07 kcal Total LS contribution 6.11 Total: 6.11 kcal Total: -33.49 -8.58 -42.07 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. ZINC001215571828.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 -1.948 kcal (2) G-P(sol) polarization free energy of solvation -33.491 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -35.438 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.576 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.067 kcal (6) G-S(sol) free energy of system = (1) + (5) -44.015 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.69 seconds