Wall clock time and date at job start Sat Apr 11 2020 06:12:29 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 O 1.42898 * 1 3 3 C 1.42911 * 113.99772 * 2 1 4 4 C 1.52992 * 109.47038 * 180.02562 * 3 2 1 5 5 C 1.53003 * 115.55036 * 302.46406 * 4 3 2 6 6 C 1.50691 * 109.47533 * 274.53232 * 5 4 3 7 7 O 1.21287 * 119.99901 * 359.10682 * 6 5 4 8 8 N 1.34781 * 120.00446 * 179.11777 * 6 5 4 9 9 C 1.46925 * 120.62879 * 359.71114 * 8 6 5 10 10 C 1.53620 * 108.54100 * 126.37253 * 9 8 6 11 11 C 1.53039 * 109.24380 * 54.86044 * 10 9 8 12 12 N 1.46494 * 109.46200 * 178.49128 * 11 10 9 13 13 C 1.36940 * 120.00118 * 63.14864 * 12 11 10 14 14 H 1.07994 * 120.00141 * 323.66623 * 13 12 11 15 15 C 1.38816 * 119.99506 * 143.66528 * 13 12 11 16 16 N 1.31622 * 119.99723 * 154.97810 * 15 13 12 17 17 Si 1.86793 * 120.00385 * 334.98035 * 15 13 12 18 18 H 1.48503 * 109.47279 * 95.39883 * 17 15 13 19 19 H 1.48500 * 109.47215 * 215.39577 * 17 15 13 20 20 H 1.48502 * 109.46941 * 335.39601 * 17 15 13 21 21 C 1.46501 * 119.99981 * 243.15448 * 12 11 10 22 22 C 1.53002 * 109.47204 * 89.99626 * 21 12 11 23 23 O 1.42899 * 109.46925 * 65.00276 * 22 21 12 24 24 C 1.53045 * 109.53401 * 298.51152 * 11 10 9 25 25 C 1.46923 * 120.63108 * 180.02562 * 8 6 5 26 26 C 1.52996 * 117.52360 * 88.16859 * 4 3 2 27 27 C 1.52999 * 117.49979 * 156.80156 * 4 3 2 28 28 H 1.09000 * 109.47513 * 299.99979 * 1 2 3 29 29 H 1.09003 * 109.47153 * 60.00460 * 1 2 3 30 30 H 1.08996 * 109.46928 * 179.97438 * 1 2 3 31 31 H 1.08995 * 109.46904 * 59.99676 * 3 2 1 32 32 H 1.09001 * 109.46970 * 299.99899 * 3 2 1 33 33 H 1.09001 * 109.47118 * 154.52598 * 5 4 3 34 34 H 1.09008 * 109.46737 * 34.52899 * 5 4 3 35 35 H 1.08998 * 109.59008 * 246.20894 * 9 8 6 36 36 H 1.09005 * 109.58403 * 6.63221 * 9 8 6 37 37 H 1.09002 * 109.63514 * 294.86702 * 10 9 8 38 38 H 1.09000 * 109.43031 * 174.72995 * 10 9 8 39 39 H 1.08994 * 109.44951 * 58.52037 * 11 10 9 40 40 H 0.97003 * 120.00139 * 179.97438 * 16 15 13 41 41 H 1.09002 * 109.47245 * 209.99753 * 21 12 11 42 42 H 1.08998 * 109.46863 * 329.99626 * 21 12 11 43 43 H 1.09001 * 109.47149 * 185.00267 * 22 21 12 44 44 H 1.09000 * 109.47049 * 305.00069 * 22 21 12 45 45 H 0.96703 * 113.99892 * 179.97438 * 23 22 21 46 46 H 1.08999 * 109.49350 * 301.41056 * 24 11 10 47 47 H 1.09003 * 109.52045 * 181.33336 * 24 11 10 48 48 H 1.09000 * 109.58842 * 353.36502 * 25 8 6 49 49 H 1.09005 * 109.58948 * 113.65423 * 25 8 6 50 50 H 1.08998 * 117.50619 * 214.96835 * 26 4 3 51 51 H 1.09005 * 117.49490 * 359.97438 * 26 4 3 52 52 H 1.09003 * 117.49693 * 359.97282 * 27 4 3 53 53 H 1.08999 * 117.49839 * 144.97312 * 27 4 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 8 1.4290 0.0000 0.0000 3 6 2.0102 1.3056 0.0000 4 6 3.5354 1.1848 -0.0006 5 6 4.1352 0.3939 1.1637 6 6 4.3238 1.3073 2.3472 7 8 4.0245 2.4796 2.2623 8 7 4.8252 0.8217 3.5002 9 6 5.1868 -0.5973 3.6204 10 6 6.6404 -0.6914 4.1083 11 6 6.7898 0.1068 5.4054 12 7 8.1658 -0.0093 5.8943 13 6 9.2021 0.4819 5.1459 14 1 9.1716 0.4107 4.0688 15 6 10.2917 1.0716 5.7720 16 7 11.4621 1.0969 5.1703 17 14 10.0972 1.8290 7.4683 18 1 10.4995 0.8405 8.5010 19 1 10.9588 3.0338 7.5743 20 1 8.6786 2.2148 7.6784 21 6 8.4334 -0.6512 7.1837 22 6 8.6537 -2.1503 6.9712 23 8 9.8367 -2.3526 6.1956 24 6 6.4652 1.5788 5.1407 25 6 5.0143 1.6998 4.6629 26 6 4.2362 1.0860 -1.3571 27 6 4.3379 2.3727 -0.5353 28 1 -0.3634 0.5138 0.8900 29 1 -0.3633 0.5138 -0.8900 30 1 -0.3633 -1.0276 -0.0005 31 1 1.6885 1.8464 0.8899 32 1 1.6886 1.8465 -0.8900 33 1 5.0993 -0.0176 0.8649 34 1 3.4618 -0.4190 1.4357 35 1 4.5255 -1.0834 4.3376 36 1 5.0940 -1.0816 2.6482 37 1 7.3084 -0.2822 3.3503 38 1 6.8943 -1.7354 4.2922 39 1 6.1036 -0.2872 6.1550 40 1 12.2235 1.5093 5.6075 41 1 9.3259 -0.2124 7.6298 42 1 7.5829 -0.4996 7.8484 43 1 8.7645 -2.6419 7.9378 44 1 7.7976 -2.5724 6.4450 45 1 10.0390 -3.2821 6.0219 46 1 7.1349 1.9666 4.3730 47 1 6.5946 2.1512 6.0593 48 1 4.8078 2.7317 4.3789 49 1 4.3375 1.3984 5.4624 50 1 5.1245 0.4576 -1.4201 51 1 3.6105 1.1066 -2.2494 52 1 3.7792 3.2400 -0.8871 53 1 5.2929 2.5908 -0.0575 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 ZINC001098365361.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 06:12:29 Heat of formation + Delta-G solvation = -70.808520 kcal Electronic energy + Delta-G solvation = -31648.124967 eV Core-core repulsion = 27522.092221 eV Total energy + Delta-G solvation = -4126.032746 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 2.41 seconds Orbital eigenvalues (eV) -40.23036 -38.72697 -37.60704 -36.68664 -36.11118 -34.65928 -32.07850 -31.23839 -30.65131 -29.30512 -28.17707 -27.68756 -25.68584 -24.87941 -23.15208 -22.78412 -22.42122 -21.29709 -20.27085 -19.31900 -18.45184 -17.04362 -16.68894 -16.53881 -16.30288 -16.04362 -16.00367 -15.39826 -15.16443 -14.94156 -14.68487 -14.44821 -13.77125 -13.66137 -13.57898 -13.47319 -13.16853 -12.82287 -12.74466 -12.54550 -12.35416 -12.07979 -12.02064 -11.87273 -11.77084 -11.59589 -11.44573 -11.15069 -11.08096 -10.75474 -10.67063 -10.51591 -10.41891 -10.26714 -10.09285 -9.92476 -9.81733 -9.69079 -9.47647 -9.35281 -9.08295 -8.41335 -8.28181 -6.77180 -5.85675 -3.22646 2.86485 3.13409 3.37481 3.43369 3.52609 3.55097 3.92191 4.56270 4.62853 4.66146 4.72804 4.80439 4.85254 5.02242 5.05909 5.10355 5.10891 5.17359 5.29921 5.39998 5.40400 5.46005 5.46158 5.52178 5.61027 5.62301 5.67135 5.72661 5.80957 5.87878 5.89265 5.93595 5.94400 5.98567 6.06308 6.13613 6.16336 6.19284 6.20572 6.35671 6.48119 6.60150 6.76156 6.82532 6.94550 7.02801 7.08181 7.65835 8.14445 8.41737 8.45699 8.53143 9.07817 9.85712 10.21246 11.30759 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.017135 B = 0.002817 C = 0.002717 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1633.651551 B = 9936.745796 C =10301.373294 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.032 3.968 2 O -0.388 6.388 3 C 0.102 3.898 4 C -0.109 4.109 5 C -0.101 4.101 6 C 0.515 3.485 7 O -0.544 6.544 8 N -0.607 5.607 9 C 0.108 3.892 10 C -0.139 4.139 11 C 0.180 3.820 12 N -0.593 5.593 13 C -0.245 4.245 14 H 0.074 0.926 15 C 0.044 3.956 16 N -0.895 5.895 17 Si 0.867 3.133 18 H -0.289 1.289 19 H -0.304 1.304 20 H -0.271 1.271 21 C 0.132 3.868 22 C 0.063 3.937 23 O -0.533 6.533 24 C -0.138 4.138 25 C 0.114 3.886 26 C -0.172 4.172 27 C -0.141 4.141 28 H 0.040 0.960 29 H 0.039 0.961 30 H 0.085 0.915 31 H 0.058 0.942 32 H 0.049 0.951 33 H 0.095 0.905 34 H 0.102 0.898 35 H 0.063 0.937 36 H 0.078 0.922 37 H 0.073 0.927 38 H 0.067 0.933 39 H 0.049 0.951 40 H 0.259 0.741 41 H 0.062 0.938 42 H 0.050 0.950 43 H 0.021 0.979 44 H 0.031 0.969 45 H 0.352 0.648 46 H 0.077 0.923 47 H 0.067 0.933 48 H 0.085 0.915 49 H 0.058 0.942 50 H 0.097 0.903 51 H 0.094 0.906 52 H 0.093 0.907 53 H 0.100 0.900 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -19.359 -5.359 -6.890 21.236 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 -0.065 4.065 2 O -0.307 6.307 3 C 0.026 3.974 4 C -0.110 4.110 5 C -0.141 4.141 6 C 0.303 3.697 7 O -0.422 6.422 8 N -0.341 5.341 9 C -0.016 4.016 10 C -0.179 4.179 11 C 0.072 3.928 12 N -0.314 5.314 13 C -0.374 4.374 14 H 0.092 0.908 15 C -0.156 4.156 16 N -0.536 5.536 17 Si 0.698 3.302 18 H -0.218 1.218 19 H -0.233 1.233 20 H -0.196 1.196 21 C 0.007 3.993 22 C -0.018 4.018 23 O -0.334 6.334 24 C -0.178 4.178 25 C -0.009 4.009 26 C -0.209 4.209 27 C -0.178 4.178 28 H 0.058 0.942 29 H 0.057 0.943 30 H 0.103 0.897 31 H 0.076 0.924 32 H 0.067 0.933 33 H 0.113 0.887 34 H 0.120 0.880 35 H 0.081 0.919 36 H 0.097 0.903 37 H 0.092 0.908 38 H 0.086 0.914 39 H 0.067 0.933 40 H 0.069 0.931 41 H 0.080 0.920 42 H 0.068 0.932 43 H 0.039 0.961 44 H 0.049 0.951 45 H 0.195 0.805 46 H 0.096 0.904 47 H 0.086 0.914 48 H 0.104 0.896 49 H 0.076 0.924 50 H 0.115 0.885 51 H 0.112 0.888 52 H 0.111 0.889 53 H 0.118 0.882 Dipole moment (debyes) X Y Z Total from point charges -19.206 -4.157 -6.901 20.828 hybrid contribution -0.112 -0.127 1.160 1.173 sum -19.318 -4.284 -5.741 20.603 Atomic orbital electron populations 1.22715 0.81270 1.02606 0.99866 1.87861 1.19326 1.28157 1.95399 1.21946 0.90881 0.84251 1.00371 1.20883 0.92141 1.03313 0.94621 1.21167 1.02599 0.98123 0.92193 1.20593 0.76717 0.88673 0.83678 1.90650 1.51127 1.17370 1.83060 1.48155 1.62992 1.10385 1.12535 1.21929 0.97231 0.80838 1.01564 1.22435 0.93766 1.01250 1.00482 1.20312 0.86525 0.92667 0.93254 1.44100 1.01550 1.65560 1.20153 1.18426 0.95629 1.32189 0.91130 0.90802 1.25298 0.95541 0.98116 0.96665 1.69916 0.99295 1.45131 1.39266 0.87106 0.77767 0.78780 0.86588 1.21762 1.23261 1.19642 1.21334 0.99111 0.90295 0.88609 1.22882 0.87346 0.99418 0.92161 1.86972 1.43832 1.27869 1.74702 1.22316 0.94016 0.99316 1.02108 1.21668 0.97415 0.95248 0.86565 1.23172 1.02473 1.01440 0.93819 1.22866 1.01643 0.91553 1.01736 0.94163 0.94284 0.89682 0.92405 0.93295 0.88675 0.88025 0.91855 0.90335 0.90835 0.91398 0.93298 0.93119 0.92022 0.93186 0.96133 0.95121 0.80501 0.90420 0.91450 0.89642 0.92411 0.88500 0.88789 0.88850 0.88169 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 0.03 0.25 11.01 101.05 1.11 1.36 16 2 O -0.39 -4.26 10.11 -35.23 -0.36 -4.62 16 3 C 0.10 1.12 5.81 37.15 0.22 1.33 16 4 C -0.11 -1.26 1.44 -154.51 -0.22 -1.49 16 5 C -0.10 -1.21 4.02 -27.89 -0.11 -1.32 16 6 C 0.52 7.68 7.58 -10.99 -0.08 7.59 16 7 O -0.54 -9.57 14.47 5.55 0.08 -9.49 16 8 N -0.61 -8.82 2.97 -172.48 -0.51 -9.33 16 9 C 0.11 1.37 6.36 -3.49 -0.02 1.34 16 10 C -0.14 -2.24 5.37 -26.39 -0.14 -2.39 16 11 C 0.18 3.25 2.59 -67.89 -0.18 3.07 16 12 N -0.59 -13.19 2.01 -165.62 -0.33 -13.52 16 13 C -0.25 -6.61 8.10 -15.06 -0.12 -6.73 16 14 H 0.07 2.19 7.15 -52.49 -0.38 1.82 16 15 C 0.04 1.27 5.26 -17.43 -0.09 1.17 16 16 N -0.89 -27.65 13.97 55.49 0.78 -26.87 16 17 Si 0.87 22.27 25.19 -169.99 -4.28 17.99 16 18 H -0.29 -7.34 6.64 56.52 0.38 -6.97 16 19 H -0.30 -8.04 7.11 56.52 0.40 -7.64 16 20 H -0.27 -6.70 7.11 56.52 0.40 -6.30 16 21 C 0.13 2.77 4.95 -4.04 -0.02 2.75 16 22 C 0.06 1.14 7.39 37.16 0.27 1.42 16 23 O -0.53 -11.14 13.13 -35.23 -0.46 -11.60 16 24 C -0.14 -2.50 5.26 -26.59 -0.14 -2.64 16 25 C 0.11 1.75 6.43 -3.69 -0.02 1.72 16 26 C -0.17 -1.74 9.88 -26.73 -0.26 -2.00 16 27 C -0.14 -1.64 8.68 -26.73 -0.23 -1.88 16 28 H 0.04 0.29 8.14 -51.93 -0.42 -0.13 16 29 H 0.04 0.26 8.14 -51.93 -0.42 -0.16 16 30 H 0.08 0.54 8.14 -51.93 -0.42 0.11 16 31 H 0.06 0.70 8.14 -51.93 -0.42 0.27 16 32 H 0.05 0.47 8.11 -51.93 -0.42 0.05 16 33 H 0.10 1.07 7.50 -51.93 -0.39 0.68 16 34 H 0.10 1.13 7.32 -51.92 -0.38 0.75 16 35 H 0.06 0.71 8.14 -51.93 -0.42 0.28 16 36 H 0.08 0.85 5.94 -51.93 -0.31 0.54 16 37 H 0.07 1.40 7.16 -51.93 -0.37 1.03 16 38 H 0.07 1.08 8.14 -51.93 -0.42 0.66 16 39 H 0.05 0.80 7.77 -51.93 -0.40 0.39 16 40 H 0.26 7.67 8.31 -40.82 -0.34 7.33 16 41 H 0.06 1.48 3.31 -51.93 -0.17 1.31 16 42 H 0.05 0.90 7.89 -51.93 -0.41 0.49 16 43 H 0.02 0.32 8.14 -51.93 -0.42 -0.10 16 44 H 0.03 0.50 8.14 -51.93 -0.42 0.08 16 45 H 0.35 5.37 9.12 45.56 0.42 5.79 16 46 H 0.08 1.64 7.65 -51.93 -0.40 1.25 16 47 H 0.07 1.27 8.14 -51.93 -0.42 0.85 16 48 H 0.09 1.40 7.01 -51.93 -0.36 1.03 16 49 H 0.06 0.79 8.14 -51.93 -0.42 0.36 16 50 H 0.10 0.93 8.05 -51.93 -0.42 0.52 16 51 H 0.09 0.84 8.14 -51.93 -0.42 0.42 16 52 H 0.09 1.01 8.14 -51.93 -0.42 0.58 16 53 H 0.10 1.33 8.09 -51.93 -0.42 0.91 16 LS Contribution 410.90 15.07 6.19 6.19 Total: -1.00 -34.14 410.90 -7.59 -41.73 By element: Atomic # 1 Polarization: 14.86 SS G_CDS: -8.65 Total: 6.21 kcal Atomic # 6 Polarization: 3.37 SS G_CDS: -0.05 Total: 3.32 kcal Atomic # 7 Polarization: -49.66 SS G_CDS: -0.07 Total: -49.73 kcal Atomic # 8 Polarization: -24.97 SS G_CDS: -0.74 Total: -25.71 kcal Atomic # 14 Polarization: 22.27 SS G_CDS: -4.28 Total: 17.99 kcal Total LS contribution 6.19 Total: 6.19 kcal Total: -34.14 -7.59 -41.73 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. ZINC001098365361.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 -29.075 kcal (2) G-P(sol) polarization free energy of solvation -34.140 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -63.214 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.594 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.734 kcal (6) G-S(sol) free energy of system = (1) + (5) -70.809 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.41 seconds