Wall clock time and date at job start Tue Mar 31 2020 20:42:05 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 1.30996 * 1 3 3 C 1.50698 * 120.00315 * 2 1 4 4 C 1.53001 * 109.47421 * 120.39393 * 3 2 1 5 5 C 1.50694 * 109.54306 * 182.02561 * 4 3 2 6 6 O 1.21279 * 119.99868 * 113.87907 * 5 4 3 7 7 N 1.34777 * 120.00657 * 293.87911 * 5 4 3 8 8 C 1.46499 * 120.00508 * 175.23205 * 7 5 4 9 9 H 1.08996 * 109.49170 * 35.00303 * 8 7 5 10 10 C 1.53038 * 109.49584 * 155.06122 * 8 7 5 11 11 C 1.53110 * 109.50126 * 58.62402 * 10 8 7 12 12 C 1.53195 * 109.32877 * 61.33917 * 11 10 8 13 13 H 1.08999 * 109.58924 * 65.15752 * 12 11 10 14 14 C 1.53002 * 109.69964 * 185.50517 * 12 11 10 15 15 N 1.46920 * 108.77884 * 305.36237 * 12 11 10 16 16 C 1.36934 * 120.63376 * 233.59114 * 15 12 11 17 17 H 1.08004 * 119.99998 * 28.68713 * 16 15 12 18 18 C 1.38813 * 120.00201 * 208.68291 * 16 15 12 19 19 N 1.31615 * 119.99572 * 16.69893 * 18 16 15 20 20 Si 1.86795 * 120.00358 * 196.68913 * 18 16 15 21 21 H 1.48506 * 109.47081 * 0.02562 * 20 18 16 22 22 H 1.48506 * 109.47182 * 120.00153 * 20 18 16 23 23 H 1.48491 * 109.47466 * 240.00496 * 20 18 16 24 24 C 1.46923 * 118.73699 * 53.60972 * 15 12 11 25 25 C 1.53171 * 109.54151 * 302.20706 * 4 3 2 26 26 C 1.53096 * 109.16084 * 176.84520 * 25 4 3 27 27 O 1.42902 * 109.41637 * 302.38634 * 26 25 4 28 28 C 1.42905 * 114.09167 * 61.16033 * 27 26 25 29 29 C 1.53087 * 109.41568 * 298.84105 * 28 27 26 30 30 H 1.07998 * 119.99715 * 359.97438 * 1 2 3 31 31 H 1.08003 * 120.00276 * 180.02562 * 1 2 3 32 32 H 1.08008 * 119.99846 * 180.02562 * 2 1 3 33 33 H 1.08997 * 109.47045 * 0.38898 * 3 2 1 34 34 H 1.09010 * 109.47314 * 240.39439 * 3 2 1 35 35 H 0.97011 * 119.99339 * 355.23188 * 7 5 4 36 36 H 1.09003 * 109.45716 * 178.60693 * 10 8 7 37 37 H 1.08996 * 109.46528 * 298.56760 * 10 8 7 38 38 H 1.08994 * 109.48536 * 301.38109 * 11 10 8 39 39 H 1.09004 * 109.51454 * 181.31192 * 11 10 8 40 40 H 1.08998 * 109.47203 * 179.36060 * 14 12 11 41 41 H 1.08997 * 109.47297 * 299.36349 * 14 12 11 42 42 H 1.09003 * 109.47322 * 59.36007 * 14 12 11 43 43 H 0.97004 * 119.99793 * 179.97438 * 19 18 16 44 44 H 1.09003 * 109.58951 * 186.61022 * 24 15 12 45 45 H 1.08997 * 109.58793 * 66.18114 * 24 15 12 46 46 H 1.08998 * 109.52304 * 56.94133 * 25 4 3 47 47 H 1.09000 * 109.52249 * 296.75227 * 25 4 3 48 48 H 1.09004 * 109.47987 * 182.40669 * 26 25 4 49 49 H 1.08998 * 109.47931 * 62.37417 * 26 25 4 50 50 H 1.09001 * 109.48311 * 58.82634 * 28 27 26 51 51 H 1.08998 * 109.47724 * 178.85804 * 28 27 26 52 52 H 1.08998 * 109.52332 * 297.70368 * 29 28 27 53 53 H 1.09007 * 109.52418 * 177.51997 * 29 28 27 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 1.3100 0.0000 0.0000 3 6 2.0635 1.3050 0.0000 4 6 2.9506 1.3818 1.2442 5 6 3.6671 2.7072 1.2714 6 8 3.4173 3.5139 2.1419 7 7 4.5857 2.9963 0.3285 8 6 5.2062 4.3229 0.2925 9 1 5.3313 4.6936 1.3099 10 6 6.5734 4.2290 -0.3886 11 6 6.4012 3.6773 -1.8065 12 6 5.5201 4.6318 -2.6185 13 1 6.0327 5.5856 -2.7429 14 6 5.2294 4.0229 -3.9917 15 7 4.2584 4.8412 -1.8955 16 6 3.0557 4.6276 -2.5145 17 1 2.9801 3.9036 -3.3123 18 6 1.9338 5.3416 -2.1165 19 7 2.0707 6.4344 -1.3959 20 14 0.2298 4.7518 -2.6041 21 1 0.3474 3.5082 -3.4072 22 1 -0.5676 4.4774 -1.3817 23 1 -0.4451 5.8002 -3.4104 24 6 4.3115 5.2847 -0.4958 25 6 2.0850 1.2413 2.5001 26 6 2.9888 1.2402 3.7358 27 8 3.9377 0.1770 3.6293 28 6 4.8061 0.2811 2.4992 29 6 3.9754 0.2438 1.2139 30 1 -0.5399 0.9353 0.0004 31 1 -0.5401 -0.9353 0.0004 32 1 1.8500 -0.9354 -0.0004 33 1 1.3553 2.1335 0.0070 34 1 2.6849 1.3659 -0.8936 35 1 4.8359 2.3259 -0.3265 36 1 7.0237 5.2205 -0.4372 37 1 7.2198 3.5645 0.1845 38 1 5.9283 2.6964 -1.7599 39 1 7.3772 3.5884 -2.2836 40 1 4.5931 4.6997 -4.5619 41 1 6.1665 3.8683 -4.5264 42 1 4.7214 3.0669 -3.8651 43 1 1.2868 6.9336 -1.1181 44 1 3.3071 5.2793 -0.0723 45 1 4.7255 6.2918 -0.4470 46 1 1.5277 0.3056 2.4555 47 1 1.3892 2.0783 2.5584 48 1 2.3818 1.0975 4.6299 49 1 3.5154 2.1922 3.8018 50 1 5.3566 1.2206 2.5491 51 1 5.5084 -0.5524 2.5025 52 1 3.4563 -0.7121 1.1434 53 1 4.6316 0.3673 0.3523 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 ZINC001132454480.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 20:42:05 Heat of formation + Delta-G solvation = -52.121795 kcal Electronic energy + Delta-G solvation = -32973.232582 eV Core-core repulsion = 29038.466204 eV Total energy + Delta-G solvation = -3934.766378 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.39 seconds Orbital eigenvalues (eV) -40.75352 -38.60288 -37.26542 -35.86597 -34.17669 -32.79900 -32.50863 -31.13538 -30.35953 -29.87536 -27.67605 -26.24557 -25.03250 -23.73976 -23.48982 -22.23516 -22.06074 -20.49475 -19.88172 -18.92210 -18.68403 -16.65459 -16.40250 -15.98849 -15.91180 -15.48644 -15.12865 -14.91246 -14.65497 -14.23769 -14.10783 -14.03192 -13.64895 -13.52941 -13.23057 -13.08367 -12.79134 -12.50941 -12.37856 -12.14271 -12.07734 -11.90681 -11.54105 -11.27801 -11.22538 -11.18964 -10.98136 -10.93115 -10.88278 -10.74898 -10.46884 -10.40374 -10.34977 -10.33135 -9.98217 -9.56866 -9.50826 -9.44750 -9.20860 -8.96792 -8.47210 -8.32659 -6.62682 -5.77329 -3.19982 2.35743 3.17285 3.34064 3.42183 3.44037 3.73383 3.96940 4.47472 4.62879 4.73786 4.86974 5.06288 5.09336 5.24528 5.27970 5.30095 5.33519 5.35753 5.45476 5.48399 5.57334 5.60100 5.60909 5.75004 5.77702 5.83849 5.93771 5.98612 5.99876 6.08682 6.10514 6.13006 6.21855 6.28651 6.30619 6.32144 6.34247 6.42539 6.51053 6.58199 6.68448 6.72849 6.88546 6.89384 7.02482 7.10462 7.28066 7.38217 7.66366 7.81966 8.11357 8.46243 8.80448 9.21328 9.86311 10.42578 11.30660 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.010263 B = 0.005850 C = 0.004602 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2727.657442 B = 4785.524510 C = 6082.471888 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.196 4.196 2 C -0.143 4.143 3 C -0.080 4.080 4 C -0.069 4.069 5 C 0.525 3.475 6 O -0.545 6.545 7 N -0.697 5.697 8 C 0.117 3.883 9 H 0.075 0.925 10 C -0.118 4.118 11 C -0.129 4.129 12 C 0.165 3.835 13 H 0.024 0.976 14 C -0.135 4.135 15 N -0.581 5.581 16 C -0.247 4.247 17 H 0.068 0.932 18 C 0.007 3.993 19 N -0.897 5.897 20 Si 0.888 3.112 21 H -0.277 1.277 22 H -0.289 1.289 23 H -0.291 1.291 24 C 0.163 3.837 25 C -0.127 4.127 26 C 0.052 3.948 27 O -0.387 6.387 28 C 0.060 3.940 29 C -0.144 4.144 30 H 0.096 0.904 31 H 0.095 0.905 32 H 0.108 0.892 33 H 0.077 0.923 34 H 0.084 0.916 35 H 0.393 0.607 36 H 0.069 0.931 37 H 0.050 0.950 38 H 0.053 0.947 39 H 0.052 0.948 40 H 0.060 0.940 41 H 0.036 0.964 42 H 0.051 0.949 43 H 0.252 0.748 44 H 0.095 0.905 45 H 0.024 0.976 46 H 0.075 0.925 47 H 0.080 0.920 48 H 0.088 0.912 49 H 0.072 0.928 50 H 0.049 0.951 51 H 0.092 0.908 52 H 0.082 0.918 53 H 0.075 0.925 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 5.712 -12.760 3.820 14.493 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 -0.233 4.233 2 C -0.161 4.161 3 C -0.118 4.118 4 C -0.073 4.073 5 C 0.310 3.690 6 O -0.424 6.424 7 N -0.347 5.347 8 C 0.012 3.988 9 H 0.093 0.907 10 C -0.156 4.156 11 C -0.169 4.169 12 C 0.058 3.942 13 H 0.042 0.958 14 C -0.193 4.193 15 N -0.304 5.304 16 C -0.377 4.377 17 H 0.086 0.914 18 C -0.192 4.192 19 N -0.541 5.541 20 Si 0.718 3.282 21 H -0.202 1.202 22 H -0.216 1.216 23 H -0.218 1.218 24 C 0.036 3.964 25 C -0.164 4.164 26 C -0.024 4.024 27 O -0.305 6.305 28 C -0.017 4.017 29 C -0.182 4.182 30 H 0.114 0.886 31 H 0.113 0.887 32 H 0.126 0.874 33 H 0.096 0.904 34 H 0.103 0.897 35 H 0.228 0.772 36 H 0.088 0.912 37 H 0.069 0.931 38 H 0.072 0.928 39 H 0.071 0.929 40 H 0.079 0.921 41 H 0.055 0.945 42 H 0.070 0.930 43 H 0.062 0.938 44 H 0.113 0.887 45 H 0.042 0.958 46 H 0.094 0.906 47 H 0.099 0.901 48 H 0.106 0.894 49 H 0.090 0.910 50 H 0.067 0.933 51 H 0.110 0.890 52 H 0.101 0.899 53 H 0.093 0.907 Dipole moment (debyes) X Y Z Total from point charges 5.411 -12.179 4.597 14.098 hybrid contribution -0.962 -0.210 -0.917 1.345 sum 4.449 -12.390 3.680 13.669 Atomic orbital electron populations 1.23862 0.96062 1.01708 1.01651 1.22858 0.95912 0.98060 0.99307 1.20740 0.98707 0.96052 0.96289 1.20794 0.95930 0.93136 0.97404 1.20168 0.79418 0.88000 0.81391 1.90628 1.64548 1.50242 1.36939 1.45854 1.41727 1.15384 1.31743 1.21771 0.93052 0.84259 0.99766 0.90745 1.21695 0.96165 1.01362 0.96421 1.22064 0.99289 0.99780 0.95721 1.20454 0.88262 0.94632 0.90819 0.95847 1.21791 0.99495 1.01137 0.96852 1.44037 1.00219 1.79093 1.07092 1.19091 0.85362 1.15944 1.17290 0.91426 1.25005 0.98324 0.95341 1.00545 1.70008 1.28295 1.15091 1.40751 0.86439 0.85556 0.78301 0.77858 1.20196 1.21598 1.21837 1.21159 0.99705 0.91803 0.83691 1.22016 0.98206 1.03012 0.93214 1.22783 0.90886 0.91199 0.97524 1.87864 1.48234 1.48539 1.45904 1.22546 0.92013 1.01759 0.85377 1.22314 0.98025 0.98962 0.98892 0.88576 0.88715 0.87404 0.90428 0.89741 0.77169 0.91207 0.93111 0.92788 0.92928 0.92052 0.94468 0.92995 0.93770 0.88714 0.95840 0.90648 0.90103 0.89354 0.90979 0.93254 0.88985 0.89899 0.90655 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 -0.20 -2.44 14.32 29.02 0.42 -2.03 16 2 C -0.14 -1.80 7.46 -36.03 -0.27 -2.07 16 3 C -0.08 -1.21 4.71 -27.88 -0.13 -1.34 16 4 C -0.07 -1.00 0.44 -155.48 -0.07 -1.07 16 5 C 0.52 9.28 5.02 -10.99 -0.06 9.22 16 6 O -0.55 -11.53 13.73 5.56 0.08 -11.45 16 7 N -0.70 -11.68 4.79 -53.69 -0.26 -11.93 16 8 C 0.12 2.15 2.85 -67.81 -0.19 1.95 16 9 H 0.07 1.43 7.51 -51.93 -0.39 1.04 16 10 C -0.12 -1.79 5.59 -26.65 -0.15 -1.94 16 11 C -0.13 -1.96 5.21 -26.57 -0.14 -2.10 16 12 C 0.17 3.12 3.49 -67.60 -0.24 2.88 16 13 H 0.02 0.48 8.14 -51.93 -0.42 0.06 16 14 C -0.14 -2.36 7.95 37.16 0.30 -2.06 16 15 N -0.58 -13.17 2.91 -164.78 -0.48 -13.65 16 16 C -0.25 -6.24 8.60 -15.06 -0.13 -6.37 16 17 H 0.07 1.68 6.21 -52.48 -0.33 1.36 16 18 C 0.01 0.18 4.92 -17.43 -0.09 0.10 16 19 N -0.90 -25.76 11.22 55.49 0.62 -25.14 16 20 Si 0.89 21.38 29.59 -169.99 -5.03 16.35 16 21 H -0.28 -6.43 7.11 56.52 0.40 -6.03 16 22 H -0.29 -7.09 7.11 56.52 0.40 -6.69 16 23 H -0.29 -7.16 7.11 56.52 0.40 -6.76 16 24 C 0.16 3.75 4.90 -3.71 -0.02 3.73 16 25 C -0.13 -1.82 4.33 -26.59 -0.12 -1.94 16 26 C 0.05 0.75 6.56 37.21 0.24 0.99 16 27 O -0.39 -5.47 10.77 -35.23 -0.38 -5.85 16 28 C 0.06 0.73 6.62 37.20 0.25 0.98 16 29 C -0.14 -1.68 4.64 -26.60 -0.12 -1.80 16 30 H 0.10 1.31 7.83 -52.49 -0.41 0.90 16 31 H 0.09 0.99 8.06 -52.48 -0.42 0.56 16 32 H 0.11 1.15 6.96 -52.48 -0.37 0.78 16 33 H 0.08 1.40 7.78 -51.93 -0.40 1.00 16 34 H 0.08 1.30 8.14 -51.92 -0.42 0.88 16 35 H 0.39 5.93 5.69 -40.81 -0.23 5.70 16 36 H 0.07 1.06 8.14 -51.93 -0.42 0.64 16 37 H 0.05 0.67 8.14 -51.93 -0.42 0.25 16 38 H 0.05 0.80 6.40 -51.93 -0.33 0.46 16 39 H 0.05 0.69 8.14 -51.93 -0.42 0.27 16 40 H 0.06 1.18 7.62 -51.93 -0.40 0.79 16 41 H 0.04 0.54 8.14 -51.93 -0.42 0.11 16 42 H 0.05 0.90 7.44 -51.93 -0.39 0.52 16 43 H 0.25 7.14 8.31 -40.82 -0.34 6.81 16 44 H 0.09 2.58 6.09 -51.93 -0.32 2.27 16 45 H 0.02 0.58 8.14 -51.93 -0.42 0.16 16 46 H 0.07 0.99 7.05 -51.93 -0.37 0.62 16 47 H 0.08 1.29 7.94 -51.93 -0.41 0.88 16 48 H 0.09 1.11 8.14 -51.93 -0.42 0.68 16 49 H 0.07 1.19 6.04 -51.93 -0.31 0.87 16 50 H 0.05 0.66 7.38 -51.93 -0.38 0.27 16 51 H 0.09 0.91 8.14 -51.93 -0.42 0.48 16 52 H 0.08 0.88 6.55 -51.93 -0.34 0.54 16 53 H 0.07 0.78 7.10 -51.93 -0.37 0.41 16 LS Contribution 393.18 15.07 5.93 5.93 Total: -1.00 -29.64 393.18 -9.14 -38.78 By element: Atomic # 1 Polarization: 18.93 SS G_CDS: -9.11 Total: 9.82 kcal Atomic # 6 Polarization: -2.34 SS G_CDS: -0.51 Total: -2.85 kcal Atomic # 7 Polarization: -50.61 SS G_CDS: -0.11 Total: -50.72 kcal Atomic # 8 Polarization: -17.00 SS G_CDS: -0.30 Total: -17.30 kcal Atomic # 14 Polarization: 21.38 SS G_CDS: -5.03 Total: 16.35 kcal Total LS contribution 5.93 Total: 5.93 kcal Total: -29.64 -9.14 -38.78 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. ZINC001132454480.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 -13.345 kcal (2) G-P(sol) polarization free energy of solvation -29.639 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -42.983 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.138 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.777 kcal (6) G-S(sol) free energy of system = (1) + (5) -52.122 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.39 seconds