Wall clock time and date at job start Sat Apr 11 2020 06:11:24 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 1.52998 * 1 3 3 O 1.42902 * 109.47481 * 2 1 4 4 C 1.42897 * 114.00096 * 179.97438 * 3 2 1 5 5 H 1.08993 * 109.47294 * 30.00389 * 4 3 2 6 6 C 1.50700 * 109.47244 * 269.99885 * 4 3 2 7 7 O 1.21283 * 119.99803 * 355.00185 * 6 4 3 8 8 N 1.34777 * 119.99675 * 175.28060 * 6 4 3 9 9 C 1.46497 * 119.99525 * 179.72583 * 8 6 4 10 10 C 1.52998 * 110.89106 * 300.69820 * 9 8 6 11 11 C 1.55160 * 111.00257 * 176.81467 * 9 8 6 12 12 C 1.54319 * 102.94699 * 277.42851 * 11 9 8 13 13 N 1.47026 * 107.26988 * 337.80510 * 12 11 9 14 14 C 1.36932 * 125.65104 * 178.97317 * 13 12 11 15 15 H 1.07997 * 120.00289 * 179.97438 * 14 13 12 16 16 C 1.38817 * 119.99815 * 359.97438 * 14 13 12 17 17 N 1.31613 * 120.00011 * 359.97438 * 16 14 13 18 18 Si 1.86804 * 120.00056 * 179.97438 * 16 14 13 19 19 H 1.48502 * 109.46951 * 359.97438 * 18 16 14 20 20 H 1.48497 * 109.47196 * 119.99578 * 18 16 14 21 21 H 1.48496 * 109.46820 * 239.99696 * 18 16 14 22 22 C 1.47525 * 108.71421 * 358.94363 * 13 12 11 23 23 C 1.53001 * 109.46501 * 150.00151 * 4 3 2 24 24 C 1.53173 * 109.54574 * 59.82338 * 23 4 3 25 25 C 1.53111 * 109.15623 * 183.23746 * 24 23 4 26 26 O 1.42896 * 109.48495 * 57.47698 * 25 24 23 27 27 C 1.42907 * 114.09802 * 298.88575 * 26 25 24 28 28 C 1.53090 * 109.41597 * 61.16124 * 27 26 25 29 29 H 1.09004 * 109.46847 * 299.99345 * 1 2 3 30 30 H 1.08997 * 109.47187 * 60.00040 * 1 2 3 31 31 H 1.08999 * 109.47088 * 180.02562 * 1 2 3 32 32 H 1.08997 * 109.47049 * 239.99793 * 2 1 3 33 33 H 1.09010 * 109.47384 * 120.00243 * 2 1 3 34 34 H 0.97000 * 119.99894 * 359.71837 * 8 6 4 35 35 H 1.08998 * 109.47165 * 59.29650 * 10 9 8 36 36 H 1.09000 * 109.47753 * 179.30437 * 10 9 8 37 37 H 1.09007 * 109.46902 * 299.30081 * 10 9 8 38 38 H 1.09006 * 110.71605 * 35.79472 * 11 9 8 39 39 H 1.09001 * 110.71860 * 158.88644 * 11 9 8 40 40 H 1.09001 * 109.88411 * 97.21904 * 12 11 9 41 41 H 1.09001 * 109.88534 * 218.38873 * 12 11 9 42 42 H 0.97008 * 120.00285 * 180.02562 * 17 16 14 43 43 H 1.09002 * 110.37002 * 265.30275 * 22 13 12 44 44 H 1.09005 * 110.41172 * 142.95019 * 22 13 12 45 45 H 1.09008 * 109.53780 * 180.02562 * 23 4 3 46 46 H 1.08997 * 109.52283 * 303.05348 * 24 23 4 47 47 H 1.09002 * 109.52010 * 63.24829 * 24 23 4 48 48 H 1.08998 * 109.40784 * 297.49506 * 25 24 23 49 49 H 1.09004 * 109.48770 * 177.50663 * 25 24 23 50 50 H 1.09001 * 109.48205 * 301.17649 * 27 26 25 51 51 H 1.08998 * 109.49156 * 181.14822 * 27 26 25 52 52 H 1.08999 * 109.52634 * 182.48870 * 28 27 26 53 53 H 1.09002 * 109.57272 * 62.32344 * 28 27 26 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 8 2.0064 1.3473 0.0000 4 6 3.4309 1.4600 0.0006 5 1 3.8636 0.6015 -0.5130 6 6 3.9311 1.4999 1.4216 7 8 3.1416 1.5294 2.3418 8 7 5.2558 1.5085 1.6696 9 6 5.7420 1.5533 3.0509 10 6 5.2342 2.8060 3.7676 11 6 7.2909 1.4750 3.0980 12 6 7.5640 -0.0400 2.9900 13 7 6.3443 -0.7355 3.4264 14 6 6.1685 -2.0931 3.4604 15 1 5.2307 -2.5079 3.7992 16 6 7.1958 -2.9362 3.0593 17 7 8.3385 -2.4307 2.6459 18 14 6.9563 -4.7882 3.1062 19 1 5.5930 -5.0985 3.6068 20 1 7.1202 -5.3434 1.7387 21 1 7.9653 -5.3950 4.0111 22 6 5.3414 0.2712 3.8225 23 6 3.8409 2.7456 -0.7207 24 6 3.2301 3.9530 -0.0029 25 6 3.5784 5.2270 -0.7774 26 8 3.1015 5.1142 -2.1197 27 6 3.6757 4.0309 -2.8538 28 6 3.3295 2.7087 -2.1641 29 1 -0.3633 0.5138 0.8901 30 1 -0.3633 0.5138 -0.8900 31 1 -0.3633 -1.0277 0.0005 32 1 1.8933 -0.5139 -0.8899 33 1 1.8934 -0.5139 0.8900 34 1 5.8872 1.4849 0.9337 35 1 4.1442 2.8073 3.7687 36 1 5.5987 2.8099 4.7949 37 1 5.5980 3.6936 3.2497 38 1 7.7298 2.0071 2.2539 39 1 7.6686 1.8714 4.0405 40 1 7.7911 -0.3031 1.9568 41 1 8.3980 -0.3134 3.6363 42 1 9.0563 -3.0199 2.3652 43 1 5.3838 0.4466 4.8975 44 1 4.3424 -0.0515 3.5291 45 1 4.9275 2.8326 -0.7213 46 1 2.1469 3.8403 0.0422 47 1 3.6329 4.0180 1.0079 48 1 4.6600 5.3613 -0.7860 49 1 3.1093 6.0851 -0.2958 50 1 4.7586 4.1496 -2.8896 51 1 3.2768 4.0271 -3.8682 52 1 3.8033 1.8846 -2.6975 53 1 2.2485 2.5690 -2.1640 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 ZINC001484053168.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 06:11:24 Heat of formation + Delta-G solvation = -111.858180 kcal Electronic energy + Delta-G solvation = -32645.993925 eV Core-core repulsion = 28518.181131 eV Total energy + Delta-G solvation = -4127.812793 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.78 seconds Orbital eigenvalues (eV) -40.51585 -39.20912 -38.04612 -36.72379 -34.50261 -33.84735 -31.88267 -31.25801 -31.08228 -30.10107 -28.73202 -27.67347 -25.68477 -24.11028 -23.70123 -23.46117 -22.77888 -20.89373 -20.22384 -20.09287 -18.96419 -17.51405 -16.88952 -16.64835 -16.39935 -16.00983 -15.48215 -15.14320 -14.97369 -14.79493 -14.64443 -14.40442 -14.08608 -13.87095 -13.67111 -13.26950 -13.19115 -12.85230 -12.46817 -12.43951 -12.16809 -12.01940 -11.94648 -11.81728 -11.75300 -11.67395 -11.42516 -11.29358 -11.14332 -10.92901 -10.90733 -10.85247 -10.40823 -10.38002 -10.36409 -10.14382 -10.05863 -9.91908 -9.70600 -9.68477 -8.83889 -8.66902 -8.53049 -6.82361 -5.73534 -3.05292 2.92293 3.27969 3.37081 3.43690 3.45659 3.72435 3.75643 4.45468 4.48350 4.50430 4.68155 4.83997 4.92087 5.01291 5.08830 5.11429 5.17651 5.24166 5.31827 5.34855 5.37966 5.43876 5.45878 5.48969 5.52214 5.53985 5.60322 5.70222 5.70931 5.75255 5.88939 5.96678 6.00316 6.03932 6.10990 6.12367 6.14974 6.27975 6.34981 6.38478 6.52731 6.67091 6.79123 7.03034 7.06572 7.16079 7.52222 7.54221 7.77695 7.91149 8.23520 8.60155 9.21216 9.81190 10.47509 11.38493 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.011922 B = 0.003628 C = 0.003271 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2348.044223 B = 7715.894953 C = 8559.081133 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.146 4.146 2 C 0.054 3.946 3 O -0.352 6.352 4 C 0.080 3.920 5 H 0.084 0.916 6 C 0.497 3.503 7 O -0.524 6.524 8 N -0.700 5.700 9 C 0.158 3.842 10 C -0.150 4.150 11 C -0.147 4.147 12 C 0.178 3.822 13 N -0.603 5.603 14 C -0.221 4.221 15 H 0.076 0.924 16 C -0.009 4.009 17 N -0.924 5.924 18 Si 0.909 3.091 19 H -0.280 1.280 20 H -0.291 1.291 21 H -0.290 1.290 22 C 0.133 3.867 23 C -0.077 4.077 24 C -0.147 4.147 25 C 0.062 3.938 26 O -0.384 6.384 27 C 0.062 3.938 28 C -0.149 4.149 29 H 0.064 0.936 30 H 0.059 0.941 31 H 0.069 0.931 32 H 0.046 0.954 33 H 0.055 0.945 34 H 0.396 0.604 35 H 0.074 0.926 36 H 0.061 0.939 37 H 0.049 0.951 38 H 0.063 0.937 39 H 0.072 0.928 40 H 0.045 0.955 41 H 0.043 0.957 42 H 0.250 0.750 43 H 0.024 0.976 44 H 0.051 0.949 45 H 0.085 0.915 46 H 0.084 0.916 47 H 0.074 0.926 48 H 0.048 0.952 49 H 0.093 0.907 50 H 0.049 0.951 51 H 0.093 0.907 52 H 0.073 0.927 53 H 0.083 0.917 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -8.067 13.466 -9.887 18.552 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 -0.203 4.203 2 C -0.022 4.022 3 O -0.269 6.269 4 C 0.018 3.982 5 H 0.102 0.898 6 C 0.282 3.718 7 O -0.400 6.400 8 N -0.352 5.352 9 C 0.071 3.929 10 C -0.209 4.209 11 C -0.185 4.185 12 C 0.053 3.947 13 N -0.330 5.330 14 C -0.350 4.350 15 H 0.094 0.906 16 C -0.205 4.205 17 N -0.572 5.572 18 Si 0.740 3.260 19 H -0.206 1.206 20 H -0.218 1.218 21 H -0.218 1.218 22 C 0.006 3.994 23 C -0.096 4.096 24 C -0.184 4.184 25 C -0.014 4.014 26 O -0.303 6.303 27 C -0.015 4.015 28 C -0.186 4.186 29 H 0.083 0.917 30 H 0.078 0.922 31 H 0.088 0.912 32 H 0.064 0.936 33 H 0.073 0.927 34 H 0.229 0.771 35 H 0.093 0.907 36 H 0.080 0.920 37 H 0.068 0.932 38 H 0.082 0.918 39 H 0.091 0.909 40 H 0.063 0.937 41 H 0.061 0.939 42 H 0.061 0.939 43 H 0.042 0.958 44 H 0.069 0.931 45 H 0.103 0.897 46 H 0.103 0.897 47 H 0.093 0.907 48 H 0.067 0.933 49 H 0.111 0.889 50 H 0.067 0.933 51 H 0.111 0.889 52 H 0.091 0.909 53 H 0.102 0.898 Dipole moment (debyes) X Y Z Total from point charges -8.805 13.560 -9.334 18.669 hybrid contribution 0.831 -1.700 -0.129 1.897 sum -7.974 11.860 -9.463 17.140 Atomic orbital electron populations 1.21683 0.93633 1.02096 1.02895 1.22571 0.95682 0.83575 1.00381 1.87933 1.17960 1.26563 1.94454 1.22000 0.83804 0.99365 0.93056 0.89815 1.21019 0.82655 0.76522 0.91636 1.90652 1.55199 1.48536 1.45634 1.45858 1.06448 1.74451 1.08490 1.21462 0.94308 0.95760 0.81368 1.22002 1.03139 0.95936 0.99779 1.23226 0.92892 1.01023 1.01378 1.21139 0.89545 0.84366 0.99613 1.44478 1.10677 1.01211 1.76611 1.19105 0.98901 0.80089 1.36879 0.90613 1.24753 0.96138 0.97932 1.01682 1.69956 1.04224 1.32791 1.50248 0.86077 0.77329 0.85414 0.77197 1.20560 1.21848 1.21750 1.21882 0.94156 0.87992 0.95354 1.21266 1.00117 0.93201 0.95019 1.22173 1.03250 0.93810 0.99216 1.22590 0.98497 0.97847 0.82510 1.87923 1.67631 1.50107 1.24602 1.22560 0.97546 0.85974 0.95394 1.22208 1.03452 0.98260 0.94727 0.91688 0.92178 0.91231 0.93552 0.92700 0.77064 0.90741 0.91975 0.93240 0.91843 0.90938 0.93703 0.93876 0.93924 0.95793 0.93095 0.89691 0.89732 0.90745 0.93329 0.88906 0.93251 0.88919 0.90851 0.89808 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 -0.15 -1.59 10.28 37.16 0.38 -1.21 16 2 C 0.05 0.71 6.46 37.16 0.24 0.95 16 3 O -0.35 -4.95 8.07 -55.09 -0.44 -5.40 16 4 C 0.08 1.05 2.26 -27.88 -0.06 0.98 16 5 H 0.08 1.05 7.79 -51.93 -0.40 0.64 16 6 C 0.50 8.04 5.33 -10.98 -0.06 7.98 16 7 O -0.52 -10.21 13.32 -14.31 -0.19 -10.40 16 8 N -0.70 -11.00 5.14 -45.62 -0.23 -11.23 16 9 C 0.16 2.73 0.82 -129.67 -0.11 2.63 16 10 C -0.15 -2.27 8.57 37.16 0.32 -1.96 16 11 C -0.15 -2.54 5.98 -24.90 -0.15 -2.69 16 12 C 0.18 4.13 5.36 -3.06 -0.02 4.12 16 13 N -0.60 -15.28 3.40 -169.99 -0.58 -15.86 16 14 C -0.22 -6.20 10.28 -15.06 -0.15 -6.36 16 15 H 0.08 2.11 7.83 -52.49 -0.41 1.70 16 16 C -0.01 -0.26 5.49 -17.43 -0.10 -0.36 16 17 N -0.92 -26.59 10.31 55.49 0.57 -26.02 16 18 Si 0.91 22.12 29.55 -169.99 -5.02 17.10 16 19 H -0.28 -6.69 7.11 56.52 0.40 -6.29 16 20 H -0.29 -7.09 7.11 56.52 0.40 -6.69 16 21 H -0.29 -7.12 7.11 56.52 0.40 -6.72 16 22 C 0.13 2.90 6.14 -2.47 -0.02 2.89 16 23 C -0.08 -0.82 2.12 -90.44 -0.19 -1.01 16 24 C -0.15 -1.65 5.01 -26.58 -0.13 -1.78 16 25 C 0.06 0.61 6.84 37.22 0.25 0.86 16 26 O -0.38 -4.25 10.77 -35.23 -0.38 -4.63 16 27 C 0.06 0.54 6.84 37.20 0.25 0.80 16 28 C -0.15 -1.38 5.32 -26.59 -0.14 -1.53 16 29 H 0.06 0.77 8.14 -51.93 -0.42 0.34 16 30 H 0.06 0.60 8.14 -51.93 -0.42 0.17 16 31 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 32 H 0.05 0.53 8.09 -51.93 -0.42 0.11 16 33 H 0.05 0.84 8.14 -51.92 -0.42 0.42 16 34 H 0.40 5.50 8.27 -40.82 -0.34 5.16 16 35 H 0.07 1.25 6.23 -51.93 -0.32 0.93 16 36 H 0.06 0.89 8.13 -51.93 -0.42 0.47 16 37 H 0.05 0.65 8.14 -51.92 -0.42 0.23 16 38 H 0.06 0.94 8.07 -51.93 -0.42 0.52 16 39 H 0.07 1.19 8.04 -51.93 -0.42 0.77 16 40 H 0.04 1.13 7.38 -51.93 -0.38 0.75 16 41 H 0.04 1.12 7.51 -51.93 -0.39 0.73 16 42 H 0.25 7.02 8.31 -40.82 -0.34 6.68 16 43 H 0.02 0.53 8.03 -51.93 -0.42 0.12 16 44 H 0.05 1.21 6.59 -51.93 -0.34 0.87 16 45 H 0.08 0.80 7.92 -51.92 -0.41 0.39 16 46 H 0.08 1.10 7.60 -51.93 -0.39 0.71 16 47 H 0.07 0.91 7.35 -51.93 -0.38 0.53 16 48 H 0.05 0.42 8.14 -51.93 -0.42 0.00 16 49 H 0.09 0.82 8.14 -51.93 -0.42 0.39 16 50 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 51 H 0.09 0.68 8.14 -51.93 -0.42 0.26 16 52 H 0.07 0.59 8.14 -51.93 -0.42 0.17 16 53 H 0.08 0.89 7.60 -51.93 -0.39 0.49 16 LS Contribution 407.11 15.07 6.14 6.14 Total: -1.00 -32.49 407.11 -9.45 -41.94 By element: Atomic # 1 Polarization: 13.68 SS G_CDS: -9.63 Total: 4.05 kcal Atomic # 6 Polarization: 3.99 SS G_CDS: 0.32 Total: 4.32 kcal Atomic # 7 Polarization: -52.87 SS G_CDS: -0.24 Total: -53.11 kcal Atomic # 8 Polarization: -19.41 SS G_CDS: -1.01 Total: -20.42 kcal Atomic # 14 Polarization: 22.12 SS G_CDS: -5.02 Total: 17.10 kcal Total LS contribution 6.14 Total: 6.14 kcal Total: -32.49 -9.45 -41.94 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. ZINC001484053168.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 -69.914 kcal (2) G-P(sol) polarization free energy of solvation -32.494 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -102.408 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.450 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.944 kcal (6) G-S(sol) free energy of system = (1) + (5) -111.858 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.78 seconds