Wall clock time and date at job start Sat Apr 11 2020 06:11:04 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 1.53006 * 1 3 3 N 1.46504 * 109.46831 * 2 1 4 4 C 1.37091 * 120.00028 * 264.77694 * 3 2 1 5 5 H 1.07994 * 120.00534 * 138.88646 * 4 3 2 6 6 C 1.38952 * 119.99874 * 318.87852 * 4 3 2 7 7 N 1.31413 * 120.00019 * 341.81062 * 6 4 3 8 8 Si 1.86800 * 119.99967 * 161.81169 * 6 4 3 9 9 H 1.48501 * 109.47317 * 359.97438 * 8 6 4 10 10 H 1.48496 * 109.47237 * 120.00185 * 8 6 4 11 11 H 1.48507 * 109.46931 * 240.00205 * 8 6 4 12 12 C 1.34780 * 119.99664 * 84.77664 * 3 2 1 13 13 O 1.21293 * 119.99492 * 180.02562 * 12 3 2 14 14 C 1.50698 * 120.00400 * 359.97438 * 12 3 2 15 15 C 1.53000 * 109.47132 * 180.02562 * 14 12 3 16 16 N 1.46503 * 109.46706 * 180.02562 * 15 14 12 17 17 C 1.46499 * 119.99854 * 269.99368 * 16 15 14 18 18 C 1.52999 * 109.46712 * 90.00888 * 17 16 15 19 19 C 1.53004 * 117.49391 * 243.61941 * 18 17 16 20 20 C 1.52998 * 117.49749 * 175.00038 * 18 17 16 21 21 C 1.34771 * 119.99748 * 90.00420 * 16 15 14 22 22 O 1.21510 * 120.00623 * 359.97438 * 21 16 15 23 23 O 1.34640 * 119.99952 * 179.97438 * 21 16 15 24 24 C 1.45200 * 117.00295 * 179.97438 * 23 21 16 25 25 C 1.53002 * 109.47241 * 59.99740 * 24 23 21 26 26 C 1.53008 * 109.47031 * 179.97438 * 24 23 21 27 27 C 1.52992 * 109.47088 * 299.99639 * 24 23 21 28 28 H 1.09001 * 109.46679 * 180.02562 * 1 2 3 29 29 H 1.08997 * 109.46937 * 299.99982 * 1 2 3 30 30 H 1.08999 * 109.46788 * 60.00370 * 1 2 3 31 31 H 1.08991 * 109.47323 * 239.99894 * 2 1 3 32 32 H 1.08999 * 109.46788 * 119.99630 * 2 1 3 33 33 H 0.97002 * 119.99564 * 179.97438 * 7 6 4 34 34 H 1.08998 * 109.47046 * 60.00280 * 14 12 3 35 35 H 1.09003 * 109.47100 * 300.00020 * 14 12 3 36 36 H 1.08998 * 109.47076 * 60.00114 * 15 14 12 37 37 H 1.09003 * 109.46994 * 299.99900 * 15 14 12 38 38 H 1.09003 * 109.46900 * 210.00302 * 17 16 15 39 39 H 1.08995 * 109.47333 * 330.00351 * 17 16 15 40 40 H 1.08994 * 115.55322 * 29.32611 * 18 17 16 41 41 H 1.08998 * 117.49851 * 0.02562 * 19 18 17 42 42 H 1.09009 * 117.49516 * 145.01947 * 19 18 17 43 43 H 1.09007 * 117.49795 * 214.97238 * 20 18 17 44 44 H 1.09001 * 117.50011 * 359.97438 * 20 18 17 45 45 H 1.09008 * 109.46796 * 60.00075 * 25 24 23 46 46 H 1.09000 * 109.47166 * 179.97438 * 25 24 23 47 47 H 1.08998 * 109.47262 * 300.00405 * 25 24 23 48 48 H 1.08998 * 109.46590 * 60.00274 * 26 24 23 49 49 H 1.09000 * 109.46587 * 180.02562 * 26 24 23 50 50 H 1.08998 * 109.47174 * 299.99712 * 26 24 23 51 51 H 1.09001 * 109.47339 * 59.99816 * 27 24 23 52 52 H 1.09000 * 109.47221 * 179.97438 * 27 24 23 53 53 H 1.09005 * 109.47437 * 300.00146 * 27 24 23 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 7 2.0183 1.3813 0.0000 4 6 2.3487 1.9915 -1.1823 5 1 2.0746 3.0220 -1.3532 6 6 3.0364 1.2842 -2.1608 7 7 3.6784 0.1817 -1.8457 8 14 3.0484 1.9004 -3.9242 9 1 2.2561 3.1531 -4.0162 10 1 4.4471 2.1667 -4.3460 11 1 2.4509 0.8711 -4.8123 12 6 2.1427 2.0520 1.1624 13 8 2.5465 3.1957 1.1623 14 6 1.7790 1.3814 2.4620 15 6 2.0101 2.3543 3.6201 16 7 1.6571 1.7020 4.8835 17 6 0.2893 1.7967 5.3996 18 6 -0.5408 0.6298 4.8610 19 6 -1.7227 0.9652 3.9491 20 6 -1.9728 0.4830 5.3794 21 6 2.5907 1.0151 5.5711 22 8 3.7252 0.9363 5.1430 23 8 2.2665 0.4161 6.7325 24 6 3.3223 -0.3068 7.4187 25 6 4.4628 0.6555 7.7568 26 6 2.7689 -0.9145 8.7093 27 6 3.8480 -1.4226 6.5136 28 1 -0.3633 -1.0277 0.0005 29 1 -0.3633 0.5138 0.8900 30 1 -0.3633 0.5138 -0.8900 31 1 1.8934 -0.5138 -0.8899 32 1 1.8933 -0.5138 0.8900 33 1 4.1582 -0.3123 -2.5289 34 1 2.4005 0.4968 2.6008 35 1 0.7295 1.0881 2.4383 36 1 1.3884 3.2387 3.4812 37 1 3.0595 2.6479 3.6440 38 1 0.3083 1.7569 6.4887 39 1 -0.1560 2.7382 5.0781 40 1 0.0143 -0.2842 4.6503 41 1 -1.9086 2.0172 3.7326 42 1 -1.9453 0.2718 3.1380 43 1 -2.3599 -0.5277 5.5094 44 1 -2.3234 1.2175 6.1045 45 1 4.0882 1.4505 8.4018 46 1 5.2552 0.1129 8.2724 47 1 4.8571 1.0888 6.8377 48 1 1.9563 -1.5999 8.4686 49 1 3.5617 -1.4567 9.2246 50 1 2.3947 -0.1193 9.3540 51 1 4.2424 -0.9894 5.5943 52 1 4.6409 -1.9650 7.0285 53 1 3.0355 -2.1082 6.2726 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 ZINC000864997976.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 06:11:04 Heat of formation + Delta-G solvation = -90.958246 kcal Electronic energy + Delta-G solvation = -32010.698221 eV Core-core repulsion = 27883.791717 eV Total energy + Delta-G solvation = -4126.906504 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.47 seconds Orbital eigenvalues (eV) -40.78495 -38.77768 -38.02388 -36.97715 -35.18559 -34.79312 -33.93871 -32.10699 -30.60203 -29.38349 -27.53574 -27.42652 -27.06993 -25.46338 -23.78966 -22.47437 -22.20595 -21.31931 -20.95037 -19.25993 -18.66587 -17.83881 -16.91131 -16.61286 -16.14459 -15.91779 -15.44046 -15.07836 -14.90393 -14.69891 -14.26558 -14.11994 -14.06718 -13.98520 -13.36263 -13.02705 -12.83518 -12.73962 -12.65329 -12.50369 -12.28823 -12.11167 -11.96500 -11.91431 -11.77976 -11.59064 -11.47431 -11.42474 -11.37222 -11.31493 -11.03297 -10.88753 -10.72039 -10.51951 -10.36241 -10.30062 -10.25495 -10.06633 -9.97464 -9.83132 -8.89331 -8.76336 -8.28109 -7.36756 -6.26558 -3.95213 2.21730 2.96809 3.19095 3.29169 3.35248 3.66832 3.86295 3.99101 4.21657 4.63035 4.64149 4.68003 4.79850 4.82463 4.88433 4.97913 5.08774 5.13909 5.33201 5.37068 5.41130 5.43505 5.51463 5.55724 5.58115 5.59471 5.66484 5.67176 5.79260 5.80561 5.83145 5.86756 5.88321 6.03053 6.04386 6.13503 6.20472 6.23300 6.26719 6.33089 6.36630 6.45464 6.54474 6.60136 6.70482 6.90105 7.26043 7.48763 7.63451 8.35360 8.48496 8.57123 9.25147 9.45984 10.08223 10.78577 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.013095 B = 0.003223 C = 0.002879 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2137.706542 B = 8686.395852 C = 9724.261261 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.164 4.164 2 C 0.104 3.896 3 N -0.441 5.441 4 C -0.308 4.308 5 H 0.088 0.912 6 C 0.038 3.962 7 N -0.871 5.871 8 Si 0.917 3.083 9 H -0.268 1.268 10 H -0.282 1.282 11 H -0.281 1.281 12 C 0.468 3.532 13 O -0.584 6.584 14 C -0.149 4.149 15 C 0.151 3.849 16 N -0.591 5.591 17 C 0.145 3.855 18 C -0.168 4.168 19 C -0.177 4.177 20 C -0.175 4.175 21 C 0.649 3.351 22 O -0.560 6.560 23 O -0.363 6.363 24 C 0.135 3.865 25 C -0.184 4.184 26 C -0.138 4.138 27 C -0.184 4.184 28 H 0.048 0.952 29 H 0.043 0.957 30 H 0.056 0.944 31 H 0.102 0.898 32 H 0.046 0.954 33 H 0.266 0.734 34 H 0.081 0.919 35 H 0.082 0.918 36 H 0.087 0.913 37 H 0.093 0.907 38 H 0.086 0.914 39 H 0.082 0.918 40 H 0.106 0.894 41 H 0.096 0.904 42 H 0.095 0.905 43 H 0.092 0.908 44 H 0.093 0.907 45 H 0.057 0.943 46 H 0.067 0.933 47 H 0.089 0.911 48 H 0.065 0.935 49 H 0.077 0.923 50 H 0.064 0.936 51 H 0.090 0.910 52 H 0.067 0.933 53 H 0.058 0.942 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -8.473 -4.573 19.086 21.377 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 -0.222 4.222 2 C -0.020 4.020 3 N -0.160 5.160 4 C -0.436 4.436 5 H 0.106 0.894 6 C -0.167 4.167 7 N -0.509 5.509 8 Si 0.743 3.257 9 H -0.192 1.192 10 H -0.208 1.208 11 H -0.207 1.207 12 C 0.256 3.744 13 O -0.468 6.468 14 C -0.191 4.191 15 C 0.030 3.970 16 N -0.330 5.330 17 C 0.022 3.978 18 C -0.187 4.187 19 C -0.214 4.214 20 C -0.212 4.212 21 C 0.404 3.596 22 O -0.448 6.448 23 O -0.278 6.278 24 C 0.098 3.902 25 C -0.241 4.241 26 C -0.196 4.196 27 C -0.241 4.241 28 H 0.067 0.933 29 H 0.062 0.938 30 H 0.075 0.925 31 H 0.120 0.880 32 H 0.065 0.935 33 H 0.076 0.924 34 H 0.100 0.900 35 H 0.100 0.900 36 H 0.105 0.895 37 H 0.111 0.889 38 H 0.104 0.896 39 H 0.100 0.900 40 H 0.124 0.876 41 H 0.114 0.886 42 H 0.113 0.887 43 H 0.111 0.889 44 H 0.112 0.888 45 H 0.076 0.924 46 H 0.086 0.914 47 H 0.108 0.892 48 H 0.084 0.916 49 H 0.096 0.904 50 H 0.083 0.917 51 H 0.109 0.891 52 H 0.086 0.914 53 H 0.077 0.923 Dipole moment (debyes) X Y Z Total from point charges -7.754 -4.211 18.899 20.857 hybrid contribution 0.039 -0.192 -0.952 0.972 sum -7.715 -4.403 17.947 20.025 Atomic orbital electron populations 1.22217 0.98304 1.00205 1.01482 1.21424 0.91514 0.85725 1.03339 1.43431 1.56093 1.11663 1.04848 1.19409 1.34794 0.98490 0.90937 0.89437 1.25428 0.94106 0.96589 1.00529 1.69950 1.29564 1.17593 1.33778 0.86032 0.78116 0.78964 0.82558 1.19210 1.20778 1.20707 1.20194 0.81748 0.87782 0.84702 1.90516 1.50414 1.18851 1.87000 1.21988 1.02678 1.00135 0.94258 1.21270 1.03379 0.93766 0.78561 1.46959 1.08983 1.53668 1.23374 1.21159 0.80643 0.97104 0.98909 1.22787 0.90369 1.00914 1.04635 1.23073 1.02322 1.02364 0.93603 1.22909 0.98359 1.02522 0.97459 1.18062 0.84046 0.77940 0.79593 1.90935 1.19465 1.64119 1.70302 1.86299 1.42625 1.64506 1.34360 1.22012 0.85724 0.91026 0.91394 1.22521 0.97968 0.99563 1.04031 1.21836 1.01952 1.01052 0.94714 1.22514 1.01628 0.97872 1.02110 0.93287 0.93808 0.92454 0.87993 0.93513 0.92394 0.90031 0.90009 0.89481 0.88870 0.89572 0.89964 0.87630 0.88579 0.88688 0.88921 0.88821 0.92365 0.91359 0.89187 0.91561 0.90372 0.91661 0.89130 0.91360 0.92250 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 -0.16 -2.92 10.15 37.16 0.38 -2.54 16 2 C 0.10 2.30 5.41 -4.04 -0.02 2.27 16 3 N -0.44 -11.30 2.50 -114.81 -0.29 -11.58 16 4 C -0.31 -8.66 8.84 -14.94 -0.13 -8.79 16 5 H 0.09 2.56 7.82 -52.49 -0.41 2.15 16 6 C 0.04 1.02 4.95 -17.47 -0.09 0.93 16 7 N -0.87 -24.12 11.61 55.50 0.64 -23.47 16 8 Si 0.92 20.93 29.59 -169.99 -5.03 15.90 16 9 H -0.27 -6.06 7.11 56.52 0.40 -5.66 16 10 H -0.28 -6.48 7.11 56.52 0.40 -6.08 16 11 H -0.28 -6.22 7.11 56.52 0.40 -5.82 16 12 C 0.47 11.54 7.59 -10.98 -0.08 11.46 16 13 O -0.58 -16.29 15.89 5.55 0.09 -16.21 16 14 C -0.15 -2.84 4.63 -27.88 -0.13 -2.97 16 15 C 0.15 2.60 4.74 -4.04 -0.02 2.58 16 16 N -0.59 -8.52 2.47 -179.49 -0.44 -8.97 16 17 C 0.15 1.60 5.74 -4.04 -0.02 1.58 16 18 C -0.17 -1.78 5.46 -90.62 -0.49 -2.28 16 19 C -0.18 -1.76 10.10 -26.73 -0.27 -2.03 16 20 C -0.17 -1.51 10.25 -26.73 -0.27 -1.78 16 21 C 0.65 10.16 7.70 54.05 0.42 10.58 16 22 O -0.56 -10.41 11.46 -19.28 -0.22 -10.63 16 23 O -0.36 -4.81 8.71 -40.32 -0.35 -5.16 16 24 C 0.14 1.53 1.13 -90.62 -0.10 1.43 16 25 C -0.18 -2.07 8.37 37.16 0.31 -1.75 16 26 C -0.14 -1.12 8.85 37.16 0.33 -0.79 16 27 C -0.18 -2.17 8.37 37.15 0.31 -1.86 16 28 H 0.05 0.74 8.14 -51.93 -0.42 0.32 16 29 H 0.04 0.72 6.60 -51.93 -0.34 0.38 16 30 H 0.06 1.07 8.14 -51.93 -0.42 0.65 16 31 H 0.10 2.49 5.76 -51.93 -0.30 2.19 16 32 H 0.05 0.97 6.66 -51.93 -0.35 0.63 16 33 H 0.27 6.93 8.31 -40.82 -0.34 6.59 16 34 H 0.08 1.64 7.41 -51.93 -0.38 1.25 16 35 H 0.08 1.38 5.90 -51.93 -0.31 1.07 16 36 H 0.09 1.42 7.85 -51.93 -0.41 1.01 16 37 H 0.09 1.86 7.38 -51.93 -0.38 1.47 16 38 H 0.09 0.87 7.37 -51.93 -0.38 0.49 16 39 H 0.08 0.81 7.63 -51.93 -0.40 0.42 16 40 H 0.11 1.29 8.14 -51.93 -0.42 0.87 16 41 H 0.10 0.93 8.03 -51.93 -0.42 0.52 16 42 H 0.09 0.97 8.14 -51.92 -0.42 0.55 16 43 H 0.09 0.75 8.14 -51.92 -0.42 0.32 16 44 H 0.09 0.70 8.14 -51.93 -0.42 0.28 16 45 H 0.06 0.61 8.14 -51.92 -0.42 0.18 16 46 H 0.07 0.63 8.14 -51.93 -0.42 0.20 16 47 H 0.09 1.28 5.88 -51.93 -0.31 0.98 16 48 H 0.07 0.52 8.14 -51.93 -0.42 0.09 16 49 H 0.08 0.50 8.14 -51.93 -0.42 0.07 16 50 H 0.06 0.49 8.14 -51.93 -0.42 0.07 16 51 H 0.09 1.36 5.88 -51.93 -0.31 1.05 16 52 H 0.07 0.66 8.14 -51.93 -0.42 0.24 16 53 H 0.06 0.67 8.14 -51.93 -0.42 0.25 16 LS Contribution 420.17 15.07 6.33 6.33 Total: -1.00 -32.54 420.17 -8.48 -41.02 By element: Atomic # 1 Polarization: 16.04 SS G_CDS: -9.32 Total: 6.73 kcal Atomic # 6 Polarization: 5.93 SS G_CDS: 0.11 Total: 6.04 kcal Atomic # 7 Polarization: -43.94 SS G_CDS: -0.09 Total: -44.02 kcal Atomic # 8 Polarization: -31.51 SS G_CDS: -0.48 Total: -31.99 kcal Atomic # 14 Polarization: 20.93 SS G_CDS: -5.03 Total: 15.90 kcal Total LS contribution 6.33 Total: 6.33 kcal Total: -32.54 -8.48 -41.02 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. ZINC000864997976.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 -49.940 kcal (2) G-P(sol) polarization free energy of solvation -32.540 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -82.481 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.478 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.018 kcal (6) G-S(sol) free energy of system = (1) + (5) -90.958 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.47 seconds