Wall clock time and date at job start Sat Apr 11 2020 06:11:39 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 1.52997 * 1 3 3 C 1.53002 * 109.47475 * 2 1 4 4 H 1.09002 * 109.46371 * 303.11687 * 3 2 1 5 5 C 1.50696 * 109.47360 * 183.11704 * 3 2 1 6 6 O 1.21287 * 119.99935 * 249.55799 * 5 3 2 7 7 N 1.34769 * 120.00406 * 69.55717 * 5 3 2 8 8 C 1.46507 * 119.99832 * 359.97438 * 7 5 3 9 9 C 1.46502 * 120.00389 * 180.02562 * 7 5 3 10 10 C 1.52998 * 109.47156 * 269.99977 * 9 7 5 11 11 H 1.09002 * 112.74758 * 284.23124 * 10 9 7 12 12 C 1.53516 * 113.47511 * 153.37704 * 10 9 7 13 13 C 1.53512 * 83.57177 * 219.20826 * 12 10 9 14 14 N 1.47477 * 87.93498 * 26.02903 * 13 12 10 15 15 C 1.46902 * 110.99715 * 221.29358 * 14 13 12 16 16 C 1.50701 * 109.47199 * 265.96717 * 15 14 13 17 17 O 1.21291 * 119.99730 * 0.02562 * 16 15 14 18 18 N 1.34779 * 119.99910 * 180.02562 * 16 15 14 19 19 C 1.37099 * 119.99923 * 179.97438 * 18 16 15 20 20 H 1.07996 * 119.99930 * 0.02562 * 19 18 16 21 21 C 1.38948 * 119.99964 * 179.97438 * 19 18 16 22 22 N 1.31414 * 119.99848 * 359.97438 * 21 19 18 23 23 Si 1.86797 * 119.99912 * 180.02562 * 21 19 18 24 24 H 1.48502 * 109.47191 * 60.00090 * 23 21 19 25 25 H 1.48502 * 109.47166 * 180.02562 * 23 21 19 26 26 H 1.48499 * 109.46889 * 299.99872 * 23 21 19 27 27 N 1.46905 * 109.47064 * 63.11044 * 3 2 1 28 28 C 1.46903 * 110.99666 * 56.91830 * 27 3 2 29 29 C 1.46896 * 110.99662 * 180.86929 * 27 3 2 30 30 H 1.09002 * 109.47161 * 302.89669 * 1 2 3 31 31 H 1.09003 * 109.46562 * 62.89878 * 1 2 3 32 32 H 1.09001 * 109.47443 * 182.89737 * 1 2 3 33 33 H 1.08998 * 109.47401 * 239.99598 * 2 1 3 34 34 H 1.09003 * 109.47096 * 119.99901 * 2 1 3 35 35 H 1.08994 * 109.47135 * 270.00249 * 8 7 5 36 36 H 1.09002 * 109.46979 * 30.00535 * 8 7 5 37 37 H 1.08997 * 109.46878 * 150.00060 * 8 7 5 38 38 H 1.09004 * 109.47222 * 149.99975 * 9 7 5 39 39 H 1.09004 * 109.46766 * 30.00141 * 9 7 5 40 40 H 1.08999 * 114.17006 * 332.85929 * 12 10 9 41 41 H 1.08994 * 114.16581 * 105.37618 * 12 10 9 42 42 H 1.08999 * 113.47805 * 271.25596 * 13 12 10 43 43 H 1.09003 * 113.46967 * 140.78949 * 13 12 10 44 44 H 1.08997 * 109.47377 * 25.97324 * 15 14 13 45 45 H 1.09007 * 109.47183 * 145.96839 * 15 14 13 46 46 H 0.96998 * 119.99766 * 359.97438 * 18 16 15 47 47 H 0.97005 * 119.99629 * 179.97438 * 22 21 19 48 48 H 1.08995 * 109.47303 * 66.28532 * 28 27 3 49 49 H 1.09000 * 109.46701 * 186.29085 * 28 27 3 50 50 H 1.08997 * 109.47151 * 306.28577 * 28 27 3 51 51 H 1.08998 * 109.47533 * 52.98396 * 29 27 3 52 52 H 1.09003 * 109.47197 * 172.98343 * 29 27 3 53 53 H 1.09004 * 109.46951 * 292.97759 * 29 27 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 1.5300 0.0000 0.0000 3 6 2.0401 1.4425 0.0000 4 1 1.6318 1.9721 -0.8608 5 6 3.5450 1.4432 -0.0773 6 8 4.2013 1.7924 0.8811 7 7 4.1618 1.0557 -1.2112 8 6 3.3691 0.6333 -2.3686 9 6 5.6249 1.0558 -1.2861 10 6 6.1097 2.4165 -1.7905 11 1 5.9621 2.5455 -2.8627 12 6 7.5262 2.7742 -1.3192 13 6 6.9345 4.1827 -1.1692 14 7 5.6142 3.5508 -0.9886 15 6 4.5725 4.2919 -1.7123 16 6 3.9211 5.2815 -0.7810 17 8 4.2887 5.3619 0.3721 18 7 2.9299 6.0772 -1.2294 19 6 2.3369 6.9771 -0.3820 20 1 2.6642 7.0487 0.6447 21 6 1.3155 7.7978 -0.8443 22 7 0.9183 7.7118 -2.0940 23 14 0.5080 9.0244 0.3101 24 1 1.5305 9.9749 0.8164 25 1 -0.5454 9.7732 -0.4214 26 1 -0.1035 8.2999 1.4530 27 7 1.6127 2.1130 1.2353 28 6 2.0842 1.3837 2.4202 29 6 2.0681 3.5094 1.2608 30 1 -0.3633 0.5582 0.8629 31 1 -0.3632 0.4682 -0.9149 32 1 -0.3634 -1.0263 0.0519 33 1 1.8933 -0.5139 -0.8899 34 1 1.8933 -0.5138 0.8900 35 1 3.1909 -0.4406 -2.3145 36 1 2.4151 1.1606 -2.3675 37 1 3.9117 0.8659 -3.2849 38 1 5.9537 0.2757 -1.9727 39 1 6.0394 0.8666 -0.2958 40 1 7.8140 2.3082 -0.3768 41 1 8.2891 2.6875 -2.0928 42 1 7.0081 4.7834 -2.0757 43 1 7.2882 4.7101 -0.2832 44 1 5.0213 4.8236 -2.5513 45 1 3.8220 3.5943 -2.0840 46 1 2.6363 6.0132 -2.1516 47 1 0.2049 8.2845 -2.4167 48 1 3.1721 1.4310 2.4669 49 1 1.6619 1.8366 3.3173 50 1 1.7682 0.3426 2.3556 51 1 1.7515 4.0116 0.3467 52 1 1.6351 4.0170 2.1228 53 1 3.1554 3.5357 1.3321 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 ZINC001316603433.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 06:11:39 Heat of formation + Delta-G solvation = -1.858708 kcal Electronic energy + Delta-G solvation = -33626.302778 eV Core-core repulsion = 29535.552671 eV Total energy + Delta-G solvation = -4090.750107 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.85 seconds Orbital eigenvalues (eV) -40.68003 -39.62687 -37.72637 -36.52382 -35.32769 -33.80243 -32.66867 -31.27325 -30.63270 -29.22432 -27.45966 -26.82874 -26.12545 -25.69455 -23.64478 -23.38219 -22.74319 -20.84108 -19.48716 -19.18490 -18.79309 -17.81005 -17.10176 -16.32923 -15.91300 -15.75274 -15.59590 -15.17162 -14.69422 -14.58099 -14.36266 -14.07891 -13.92008 -13.69553 -13.51047 -13.21729 -13.07454 -12.79372 -12.53340 -12.47328 -12.30947 -12.14134 -11.66566 -11.56375 -11.53591 -11.45596 -11.36757 -11.17252 -11.12687 -11.03115 -10.91622 -10.77319 -10.63547 -10.49483 -10.42004 -10.38755 -10.13335 -9.72537 -9.38016 -8.75774 -8.29990 -8.04252 -7.87770 -7.58431 -6.34126 -3.73839 2.99671 3.14831 3.25128 3.29913 3.34892 4.00016 4.07809 4.30569 4.35091 4.55775 4.70275 4.85872 4.95457 5.04765 5.09856 5.12257 5.15112 5.27672 5.29213 5.34748 5.43211 5.49361 5.54357 5.57384 5.64878 5.68800 5.71365 5.74961 5.80179 5.82141 5.93672 5.96371 6.05989 6.12411 6.17169 6.27846 6.32504 6.36776 6.39822 6.48420 6.60405 6.70840 6.77965 7.11849 7.33224 7.38344 7.51536 7.62289 7.65360 8.14163 8.58707 8.71414 9.27490 9.63370 10.17212 10.83961 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.009480 B = 0.005077 C = 0.003860 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2952.906847 B = 5513.758793 C = 7251.367442 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 -0.117 4.117 3 C 0.067 3.933 4 H 0.098 0.902 5 C 0.491 3.509 6 O -0.496 6.496 7 N -0.619 5.619 8 C 0.077 3.923 9 C 0.137 3.863 10 C 0.002 3.998 11 H 0.071 0.929 12 C -0.135 4.135 13 C 0.002 3.998 14 N -0.410 5.410 15 C 0.010 3.990 16 C 0.451 3.549 17 O -0.560 6.560 18 N -0.571 5.571 19 C -0.290 4.290 20 H 0.100 0.900 21 C 0.022 3.978 22 N -0.905 5.905 23 Si 0.925 3.075 24 H -0.275 1.275 25 H -0.286 1.286 26 H -0.273 1.273 27 N -0.516 5.516 28 C 0.002 3.998 29 C 0.014 3.986 30 H 0.070 0.930 31 H 0.052 0.948 32 H 0.047 0.953 33 H 0.068 0.932 34 H 0.067 0.933 35 H 0.054 0.946 36 H 0.071 0.929 37 H 0.066 0.934 38 H 0.072 0.928 39 H 0.086 0.914 40 H 0.093 0.907 41 H 0.071 0.929 42 H 0.062 0.938 43 H 0.086 0.914 44 H 0.051 0.949 45 H 0.076 0.924 46 H 0.388 0.612 47 H 0.270 0.730 48 H 0.063 0.937 49 H 0.058 0.942 50 H 0.056 0.944 51 H 0.066 0.934 52 H 0.056 0.944 53 H 0.078 0.922 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 5.310 -17.338 -4.356 18.648 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 -0.154 4.154 3 C -0.046 4.046 4 H 0.116 0.884 5 C 0.278 3.722 6 O -0.369 6.369 7 N -0.355 5.355 8 C -0.067 4.067 9 C 0.013 3.987 10 C -0.110 4.110 11 H 0.089 0.911 12 C -0.173 4.173 13 C -0.127 4.127 14 N -0.132 5.132 15 C -0.123 4.123 16 C 0.235 3.765 17 O -0.442 6.442 18 N -0.209 5.209 19 C -0.420 4.420 20 H 0.118 0.882 21 C -0.179 4.179 22 N -0.547 5.547 23 Si 0.753 3.247 24 H -0.201 1.201 25 H -0.211 1.211 26 H -0.199 1.199 27 N -0.238 5.238 28 C -0.145 4.145 29 C -0.133 4.133 30 H 0.089 0.911 31 H 0.072 0.928 32 H 0.066 0.934 33 H 0.086 0.914 34 H 0.086 0.914 35 H 0.073 0.927 36 H 0.090 0.910 37 H 0.085 0.915 38 H 0.090 0.910 39 H 0.105 0.895 40 H 0.111 0.889 41 H 0.090 0.910 42 H 0.080 0.920 43 H 0.104 0.896 44 H 0.069 0.931 45 H 0.095 0.905 46 H 0.221 0.779 47 H 0.080 0.920 48 H 0.082 0.918 49 H 0.077 0.923 50 H 0.075 0.925 51 H 0.084 0.916 52 H 0.075 0.925 53 H 0.096 0.904 Dipole moment (debyes) X Y Z Total from point charges 4.901 -17.042 -2.415 17.896 hybrid contribution 0.296 1.023 -1.345 1.716 sum 5.198 -16.019 -3.760 17.256 Atomic orbital electron populations 1.21655 0.94376 1.00876 1.03085 1.21653 0.97496 0.93960 1.02327 1.21928 0.89481 0.96922 0.96255 0.88379 1.21972 0.91303 0.76518 0.82430 1.90650 1.66813 1.44136 1.35335 1.47945 1.06159 1.67637 1.13787 1.21850 0.96590 0.99606 0.88641 1.21353 0.80224 0.94773 1.02356 1.23884 0.95316 0.94949 0.96817 0.91135 1.23130 0.94982 0.97319 1.01889 1.23741 0.91448 0.95994 1.01503 1.68927 1.01714 1.03504 1.39041 1.22512 0.96789 0.97251 0.95730 1.19583 0.83592 0.84356 0.88934 1.90548 1.64830 1.70518 1.18264 1.41865 1.32040 1.33818 1.13164 1.19566 1.14406 1.12811 0.95196 0.88176 1.25180 0.97467 0.98789 0.96443 1.69602 1.29966 1.40574 1.14605 0.85998 0.78697 0.80222 0.79805 1.20101 1.21100 1.19890 1.62550 1.57208 1.03684 1.00402 1.22687 1.01441 0.97649 0.92769 1.22657 1.02434 0.85851 1.02341 0.91082 0.92839 0.93365 0.91395 0.91420 0.92710 0.90988 0.91530 0.91005 0.89534 0.88879 0.91048 0.92016 0.89576 0.93125 0.90547 0.77934 0.92045 0.91846 0.92322 0.92489 0.91553 0.92540 0.90393 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -1.53 9.82 37.16 0.36 -1.17 16 2 C -0.12 -1.32 4.89 -26.73 -0.13 -1.46 16 3 C 0.07 0.99 1.42 -68.86 -0.10 0.89 16 4 H 0.10 1.50 6.87 -51.93 -0.36 1.15 16 5 C 0.49 7.76 5.83 -10.99 -0.06 7.69 16 6 O -0.50 -9.72 10.72 5.55 0.06 -9.66 16 7 N -0.62 -7.74 2.63 -181.57 -0.48 -8.22 16 8 C 0.08 0.69 9.06 59.85 0.54 1.23 16 9 C 0.14 1.60 5.58 -4.04 -0.02 1.57 16 10 C 0.00 0.02 3.35 -71.44 -0.24 -0.22 16 11 H 0.07 0.80 7.91 -51.93 -0.41 0.39 16 12 C -0.13 -1.56 8.00 -26.20 -0.21 -1.77 16 13 C 0.00 0.03 7.71 -7.55 -0.06 -0.02 16 14 N -0.41 -6.99 4.42 -237.95 -1.05 -8.04 16 15 C 0.01 0.17 5.30 -4.97 -0.03 0.15 16 16 C 0.45 10.62 6.87 -10.98 -0.08 10.55 16 17 O -0.56 -15.17 14.24 5.55 0.08 -15.09 16 18 N -0.57 -14.34 5.29 -10.96 -0.06 -14.40 16 19 C -0.29 -8.03 9.68 -14.93 -0.14 -8.17 16 20 H 0.10 2.94 7.16 -52.49 -0.38 2.57 16 21 C 0.02 0.60 5.50 -17.47 -0.10 0.50 16 22 N -0.91 -24.69 13.05 55.50 0.72 -23.97 16 23 Si 0.93 21.48 29.55 -169.99 -5.02 16.46 16 24 H -0.28 -6.38 7.11 56.52 0.40 -5.98 16 25 H -0.29 -6.48 7.11 56.52 0.40 -6.08 16 26 H -0.27 -6.34 7.11 56.52 0.40 -5.94 16 27 N -0.52 -8.88 4.36 -244.58 -1.07 -9.95 16 28 C 0.00 0.04 8.90 60.07 0.53 0.57 16 29 C 0.01 0.30 8.34 60.06 0.50 0.80 16 30 H 0.07 0.89 7.61 -51.93 -0.40 0.49 16 31 H 0.05 0.56 8.14 -51.93 -0.42 0.14 16 32 H 0.05 0.43 8.14 -51.93 -0.42 0.01 16 33 H 0.07 0.64 5.64 -51.93 -0.29 0.35 16 34 H 0.07 0.80 6.05 -51.93 -0.31 0.49 16 35 H 0.05 0.39 7.12 -51.93 -0.37 0.02 16 36 H 0.07 0.68 6.12 -51.93 -0.32 0.36 16 37 H 0.07 0.50 8.07 -51.93 -0.42 0.08 16 38 H 0.07 0.61 8.07 -51.93 -0.42 0.20 16 39 H 0.09 1.19 7.15 -51.93 -0.37 0.81 16 40 H 0.09 1.11 7.94 -51.93 -0.41 0.70 16 41 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 42 H 0.06 0.87 7.42 -51.93 -0.39 0.48 16 43 H 0.09 1.45 8.14 -51.93 -0.42 1.03 16 44 H 0.05 0.86 7.30 -51.93 -0.38 0.48 16 45 H 0.08 1.33 7.89 -51.92 -0.41 0.92 16 46 H 0.39 9.49 7.90 -40.82 -0.32 9.17 16 47 H 0.27 7.04 8.31 -40.82 -0.34 6.70 16 48 H 0.06 1.16 5.46 -51.93 -0.28 0.87 16 49 H 0.06 0.91 8.14 -51.93 -0.42 0.49 16 50 H 0.06 0.78 5.84 -51.93 -0.30 0.48 16 51 H 0.07 1.54 7.55 -51.93 -0.39 1.15 16 52 H 0.06 1.22 8.14 -51.93 -0.42 0.79 16 53 H 0.08 1.87 4.58 -51.93 -0.24 1.63 16 LS Contribution 402.64 15.07 6.07 6.07 Total: -1.00 -32.67 402.64 -8.81 -41.48 By element: Atomic # 1 Polarization: 23.00 SS G_CDS: -8.84 Total: 14.16 kcal Atomic # 6 Polarization: 10.38 SS G_CDS: 0.78 Total: 11.16 kcal Atomic # 7 Polarization: -62.65 SS G_CDS: -1.93 Total: -64.58 kcal Atomic # 8 Polarization: -24.88 SS G_CDS: 0.14 Total: -24.74 kcal Atomic # 14 Polarization: 21.48 SS G_CDS: -5.02 Total: 16.46 kcal Total LS contribution 6.07 Total: 6.07 kcal Total: -32.67 -8.81 -41.48 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. ZINC001316603433.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 39.623 kcal (2) G-P(sol) polarization free energy of solvation -32.675 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 6.948 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.807 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.481 kcal (6) G-S(sol) free energy of system = (1) + (5) -1.859 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.85 seconds