Wall clock time and date at job start Sat Apr 11 2020 06:11:22 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 1.52995 * 1 3 3 H 1.08999 * 109.52246 * 2 1 4 4 C 1.53044 * 109.49723 * 120.07615 * 2 1 3 5 5 C 1.53043 * 109.53534 * 58.59214 * 4 2 1 6 6 C 1.53188 * 109.31287 * 61.36319 * 5 4 2 7 7 N 1.46924 * 108.77813 * 305.36496 * 6 5 4 8 8 C 1.34772 * 120.63246 * 233.62927 * 7 6 5 9 9 O 1.21280 * 120.00087 * 185.14853 * 8 7 6 10 10 C 1.50707 * 119.99696 * 5.15389 * 8 7 6 11 11 S 1.81002 * 109.46774 * 179.97438 * 10 8 7 12 12 C 1.76201 * 99.99853 * 180.02562 * 11 10 8 13 13 H 1.07996 * 119.99854 * 359.97438 * 12 11 10 14 14 C 1.38797 * 119.99916 * 179.97438 * 12 11 10 15 15 N 1.31639 * 119.99829 * 179.97438 * 14 12 11 16 16 Si 1.86797 * 120.00359 * 359.97438 * 14 12 11 17 17 H 1.48503 * 109.47328 * 89.99753 * 16 14 12 18 18 H 1.48500 * 109.47284 * 210.00224 * 16 14 12 19 19 H 1.48507 * 109.46962 * 330.00151 * 16 14 12 20 20 C 1.46927 * 118.73724 * 53.60707 * 7 6 5 21 21 H 1.09004 * 109.58455 * 66.32014 * 20 7 6 22 22 C 1.53001 * 109.58403 * 186.60474 * 20 7 6 23 23 N 1.46903 * 109.47180 * 286.04372 * 22 20 7 24 24 C 1.46894 * 110.99841 * 180.02562 * 23 22 20 25 25 C 1.53008 * 109.47063 * 179.97438 * 24 23 22 26 26 C 1.53783 * 113.61401 * 274.13579 * 25 24 23 27 27 C 1.53956 * 87.01881 * 220.04612 * 26 25 24 28 28 C 1.53776 * 113.61407 * 176.52984 * 25 24 23 29 29 H 1.09004 * 109.46816 * 180.02562 * 1 2 3 30 30 H 1.08994 * 109.48106 * 300.08103 * 1 2 3 31 31 H 1.09000 * 109.47262 * 60.08503 * 1 2 3 32 32 H 1.09005 * 109.46119 * 298.56892 * 4 2 1 33 33 H 1.08997 * 109.45004 * 178.60501 * 4 2 1 34 34 H 1.09001 * 109.49338 * 301.41235 * 5 4 2 35 35 H 1.09005 * 109.52222 * 181.33425 * 5 4 2 36 36 H 1.09003 * 109.58355 * 185.57567 * 6 5 4 37 37 H 1.08996 * 109.69943 * 65.22488 * 6 5 4 38 38 H 1.09000 * 109.47092 * 299.99121 * 10 8 7 39 39 H 1.08997 * 109.47471 * 59.99625 * 10 8 7 40 40 H 0.97002 * 119.99583 * 180.02562 * 15 14 12 41 41 H 1.09005 * 109.47022 * 166.04775 * 22 20 7 42 42 H 1.08997 * 109.47133 * 46.04712 * 22 20 7 43 43 H 1.00896 * 110.99693 * 303.95791 * 23 22 20 44 44 H 1.09000 * 109.47286 * 60.00216 * 24 23 22 45 45 H 1.08996 * 109.47503 * 300.00043 * 24 23 22 46 46 H 1.09002 * 112.84769 * 45.33231 * 25 24 23 47 47 H 1.08996 * 113.61365 * 334.57220 * 26 25 24 48 48 H 1.09005 * 113.60966 * 105.47072 * 26 25 24 49 49 H 1.09001 * 113.53508 * 270.81478 * 27 26 25 50 50 H 1.08994 * 113.66413 * 139.93036 * 27 26 25 51 51 H 1.08999 * 113.61377 * 254.53426 * 28 25 24 52 52 H 1.09002 * 113.61568 * 25.43127 * 28 25 24 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 1 1.8942 1.0273 0.0000 4 6 2.0408 -0.7230 1.2484 5 6 1.5030 -2.1557 1.2661 6 6 2.0141 -2.9039 0.0309 7 7 1.6517 -2.1382 -1.1695 8 6 0.9742 -2.7218 -2.1778 9 8 0.7624 -2.1073 -3.2017 10 6 0.4799 -4.1381 -2.0330 11 16 -0.3859 -4.6324 -3.5437 12 6 -0.8432 -6.2778 -3.1098 13 1 -0.5714 -6.6768 -2.1438 14 6 -1.5526 -7.0610 -4.0097 15 7 -1.8938 -8.2905 -3.6857 16 14 -2.0232 -6.3707 -5.6803 17 1 -0.9446 -6.6626 -6.6584 18 1 -3.2889 -6.9990 -6.1369 19 1 -2.2104 -4.9013 -5.5739 20 6 2.0414 -0.7238 -1.2495 21 1 3.1275 -0.6463 -1.3004 22 6 1.4229 -0.0912 -2.4978 23 7 2.1401 -0.5604 -3.6910 24 6 1.5728 0.0281 -4.9115 25 6 2.3444 -0.4824 -6.1302 26 6 3.6037 0.3399 -6.4507 27 6 3.2296 0.1840 -7.9360 28 6 1.7742 0.0099 -7.4708 29 1 -0.3633 -1.0277 0.0005 30 1 -0.3635 0.5150 0.8892 31 1 -0.3634 0.5125 -0.8907 32 1 1.6986 -0.1957 2.1390 33 1 3.1304 -0.7443 1.2352 34 1 0.4133 -2.1354 1.2541 35 1 1.8476 -2.6631 2.1672 36 1 1.5555 -3.8918 -0.0136 37 1 3.0979 -3.0063 0.0857 38 1 1.3270 -4.8033 -1.8652 39 1 -0.2036 -4.1996 -1.1862 40 1 -2.3892 -8.8380 -4.3148 41 1 1.4996 0.9941 -2.4312 42 1 0.3736 -0.3777 -2.5685 43 1 3.1272 -0.3639 -3.6201 44 1 1.6508 1.1142 -4.8614 45 1 0.5245 -0.2571 -4.9991 46 1 2.5211 -1.5576 -6.0993 47 1 3.5558 1.3688 -6.0940 48 1 4.5330 -0.1607 -6.1787 49 1 3.6497 -0.7087 -8.3993 50 1 3.3945 1.0857 -8.5257 51 1 1.2286 -0.7566 -8.0211 52 1 1.2253 0.9484 -7.3935 RHF calculation, no. of doubly occupied orbitals= 63 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC001667359644.mol2 52 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 06:11:22 Heat of formation + Delta-G solvation = 7.901887 kcal Electronic energy + Delta-G solvation = -29150.903725 eV Core-core repulsion = 25471.036989 eV Total energy + Delta-G solvation = -3679.866736 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 6.15 seconds Orbital eigenvalues (eV) -40.52702 -38.85293 -37.33610 -35.40078 -33.41395 -32.37781 -31.95215 -29.46433 -28.04641 -26.73487 -25.71046 -25.55431 -25.28307 -23.74405 -22.01985 -21.70117 -20.15383 -19.28108 -18.44027 -17.50984 -16.47763 -16.13386 -15.66646 -15.52444 -15.18386 -14.94562 -14.85158 -14.52173 -14.24732 -14.00356 -13.70279 -13.59626 -13.26309 -12.93222 -12.71932 -12.71078 -12.61301 -12.46382 -12.37396 -11.91434 -11.89419 -11.75875 -11.48745 -11.28047 -11.18274 -11.12795 -10.98106 -10.92707 -10.58374 -10.49420 -10.45335 -10.43277 -10.13546 -9.95282 -9.79532 -8.94643 -8.60111 -8.37738 -8.24781 -7.71249 -6.81026 -6.23549 -3.92770 2.87180 3.30979 3.31652 3.37166 3.54010 3.70583 4.24350 4.37915 4.51513 4.64436 4.67985 4.70649 4.78717 4.83272 4.85759 4.95034 5.06452 5.11177 5.15803 5.15850 5.32335 5.36527 5.46284 5.51821 5.53637 5.55208 5.63237 5.66971 5.69069 5.72404 5.74136 5.76249 5.82396 5.85732 5.91359 5.97042 5.98202 6.01486 6.02904 6.05744 6.15025 6.21052 6.22796 6.33368 6.39616 6.61564 6.86382 7.39364 7.76777 7.80884 7.99809 8.47435 8.88252 9.23402 10.85974 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.007021 B = 0.004926 C = 0.003086 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3986.890987 B = 5682.415004 C = 9071.983635 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.147 4.147 2 C -0.101 4.101 3 H 0.075 0.925 4 C -0.111 4.111 5 C -0.139 4.139 6 C 0.110 3.890 7 N -0.611 5.611 8 C 0.518 3.482 9 O -0.457 6.457 10 C -0.120 4.120 11 S -0.140 6.140 12 C -0.519 4.519 13 H 0.086 0.914 14 C 0.095 3.905 15 N -0.883 5.883 16 Si 0.857 3.143 17 H -0.268 1.268 18 H -0.276 1.276 19 H -0.235 1.235 20 C 0.160 3.840 21 H 0.062 0.938 22 C 0.074 3.926 23 N -0.645 5.645 24 C 0.085 3.915 25 C -0.102 4.102 26 C -0.141 4.141 27 C -0.141 4.141 28 C -0.137 4.137 29 H 0.063 0.937 30 H 0.051 0.949 31 H 0.055 0.945 32 H 0.063 0.937 33 H 0.061 0.939 34 H 0.072 0.928 35 H 0.071 0.929 36 H 0.087 0.913 37 H 0.062 0.938 38 H 0.087 0.913 39 H 0.087 0.913 40 H 0.269 0.731 41 H 0.011 0.989 42 H 0.096 0.904 43 H 0.314 0.686 44 H 0.011 0.989 45 H 0.075 0.925 46 H 0.101 0.899 47 H 0.072 0.928 48 H 0.063 0.937 49 H 0.078 0.922 50 H 0.061 0.939 51 H 0.067 0.933 52 H 0.075 0.925 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 10.771 20.044 5.634 23.442 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 -0.204 4.204 2 C -0.121 4.121 3 H 0.093 0.907 4 C -0.149 4.149 5 C -0.177 4.177 6 C -0.014 4.014 7 N -0.349 5.349 8 C 0.304 3.696 9 O -0.327 6.327 10 C -0.271 4.271 11 S 0.086 5.914 12 C -0.667 4.667 13 H 0.104 0.896 14 C -0.113 4.113 15 N -0.520 5.520 16 Si 0.682 3.318 17 H -0.193 1.193 18 H -0.202 1.202 19 H -0.159 1.159 20 C 0.056 3.944 21 H 0.080 0.920 22 C -0.055 4.055 23 N -0.275 5.275 24 C -0.044 4.044 25 C -0.120 4.120 26 C -0.179 4.179 27 C -0.179 4.179 28 C -0.175 4.175 29 H 0.082 0.918 30 H 0.070 0.930 31 H 0.074 0.926 32 H 0.081 0.919 33 H 0.080 0.920 34 H 0.090 0.910 35 H 0.090 0.910 36 H 0.106 0.894 37 H 0.081 0.919 38 H 0.106 0.894 39 H 0.106 0.894 40 H 0.079 0.921 41 H 0.029 0.971 42 H 0.114 0.886 43 H 0.131 0.869 44 H 0.029 0.971 45 H 0.094 0.906 46 H 0.119 0.881 47 H 0.091 0.909 48 H 0.082 0.918 49 H 0.097 0.903 50 H 0.080 0.920 51 H 0.086 0.914 52 H 0.094 0.906 Dipole moment (debyes) X Y Z Total from point charges 9.967 20.194 3.970 22.868 hybrid contribution 0.388 0.048 0.756 0.852 sum 10.356 20.243 4.726 23.224 Atomic orbital electron populations 1.21872 0.94601 1.02640 1.01327 1.21500 0.96914 0.98948 0.94772 0.90715 1.21514 1.00291 0.95786 0.97318 1.21982 1.01929 0.95885 0.97907 1.21652 0.99857 0.95627 0.84276 1.47866 1.58519 1.09975 1.18586 1.20082 0.78562 0.87985 0.82969 1.90835 1.52811 1.62612 1.26463 1.23345 1.03232 0.96170 1.04323 1.84682 1.70251 1.17161 1.19288 1.22360 1.41523 0.96571 1.06236 0.89643 1.24707 0.94165 0.94052 0.98392 1.69951 1.37959 1.07671 1.36450 0.86727 0.78823 0.82068 0.84156 1.19317 1.20159 1.15944 1.21090 0.97914 0.81174 0.94197 0.91970 1.22119 1.01418 0.93525 0.88464 1.60716 1.04633 1.61386 1.00764 1.21745 0.99847 0.93794 0.89058 1.22536 0.95151 1.00861 0.93478 1.23028 0.98467 0.99925 0.96439 1.22810 0.97173 1.01513 0.96394 1.22893 0.96206 1.01264 0.97128 0.91819 0.93029 0.92572 0.91875 0.91999 0.90954 0.91049 0.89443 0.91941 0.89435 0.89421 0.92075 0.97086 0.88561 0.86903 0.97068 0.90644 0.88123 0.90893 0.91825 0.90310 0.92014 0.91380 0.90595 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 -1.51 8.24 37.16 0.31 -1.20 16 2 C -0.10 -0.94 2.77 -90.50 -0.25 -1.19 16 3 H 0.07 0.61 8.14 -51.93 -0.42 0.19 16 4 C -0.11 -0.91 5.43 -26.69 -0.14 -1.05 16 5 C -0.14 -1.25 5.74 -26.61 -0.15 -1.40 16 6 C 0.11 1.19 6.35 -3.71 -0.02 1.17 16 7 N -0.61 -8.07 2.41 -165.22 -0.40 -8.47 16 8 C 0.52 9.00 7.44 -10.98 -0.08 8.92 16 9 O -0.46 -8.84 9.45 5.56 0.05 -8.79 16 10 C -0.12 -2.36 4.51 36.01 0.16 -2.20 16 11 S -0.14 -3.54 18.55 -107.50 -1.99 -5.53 16 12 C -0.52 -15.08 10.04 30.94 0.31 -14.77 16 13 H 0.09 2.60 8.03 -52.49 -0.42 2.18 16 14 C 0.10 2.80 5.50 -17.43 -0.10 2.71 16 15 N -0.88 -26.93 13.97 55.49 0.78 -26.16 16 16 Si 0.86 22.03 27.74 -169.99 -4.71 17.31 16 17 H -0.27 -6.83 7.11 56.52 0.40 -6.43 16 18 H -0.28 -6.85 7.11 56.52 0.40 -6.45 16 19 H -0.24 -6.02 6.74 56.52 0.38 -5.64 16 20 C 0.16 1.82 2.78 -67.60 -0.19 1.63 16 21 H 0.06 0.68 8.05 -51.93 -0.42 0.26 16 22 C 0.07 0.94 3.34 -3.82 -0.01 0.93 16 23 N -0.64 -8.90 4.00 -113.78 -0.46 -9.36 16 24 C 0.08 1.14 5.14 -3.82 -0.02 1.12 16 25 C -0.10 -1.29 3.89 -89.80 -0.35 -1.64 16 26 C -0.14 -1.47 7.65 -25.83 -0.20 -1.67 16 27 C -0.14 -1.44 8.09 -25.83 -0.21 -1.65 16 28 C -0.14 -1.57 7.64 -25.92 -0.20 -1.77 16 29 H 0.06 0.77 5.97 -51.93 -0.31 0.46 16 30 H 0.05 0.46 8.14 -51.93 -0.42 0.04 16 31 H 0.06 0.61 6.67 -51.93 -0.35 0.27 16 32 H 0.06 0.46 8.14 -51.93 -0.42 0.04 16 33 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 34 H 0.07 0.73 6.33 -51.93 -0.33 0.40 16 35 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 36 H 0.09 1.02 5.93 -51.93 -0.31 0.71 16 37 H 0.06 0.61 8.14 -51.93 -0.42 0.19 16 38 H 0.09 1.67 7.73 -51.92 -0.40 1.27 16 39 H 0.09 1.66 7.90 -51.92 -0.41 1.25 16 40 H 0.27 7.65 8.31 -40.82 -0.34 7.31 16 41 H 0.01 0.13 8.08 -51.93 -0.42 -0.29 16 42 H 0.10 1.51 5.34 -51.93 -0.28 1.23 16 43 H 0.31 3.92 8.66 -39.29 -0.34 3.58 16 44 H 0.01 0.14 7.87 -51.93 -0.41 -0.27 16 45 H 0.08 1.21 7.93 -51.93 -0.41 0.80 16 46 H 0.10 1.53 8.14 -51.93 -0.42 1.11 16 47 H 0.07 0.71 7.92 -51.93 -0.41 0.30 16 48 H 0.06 0.65 8.14 -51.93 -0.42 0.23 16 49 H 0.08 0.80 8.14 -51.93 -0.42 0.37 16 50 H 0.06 0.56 8.14 -51.93 -0.42 0.13 16 51 H 0.07 0.83 8.14 -51.93 -0.42 0.40 16 52 H 0.08 0.81 8.10 -51.93 -0.42 0.39 16 LS Contribution 400.01 15.07 6.03 6.03 Total: -1.00 -31.53 400.01 -11.29 -42.82 By element: Atomic # 1 Polarization: 13.65 SS G_CDS: -9.44 Total: 4.21 kcal Atomic # 6 Polarization: -10.92 SS G_CDS: -1.14 Total: -12.07 kcal Atomic # 7 Polarization: -43.91 SS G_CDS: -0.08 Total: -43.98 kcal Atomic # 8 Polarization: -8.84 SS G_CDS: 0.05 Total: -8.79 kcal Atomic # 14 Polarization: 22.03 SS G_CDS: -4.71 Total: 17.31 kcal Atomic # 16 Polarization: -3.54 SS G_CDS: -1.99 Total: -5.53 kcal Total LS contribution 6.03 Total: 6.03 kcal Total: -31.53 -11.29 -42.82 kcal The number of atoms in the molecule is 52 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. ZINC001667359644.mol2 52 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 50.725 kcal (2) G-P(sol) polarization free energy of solvation -31.532 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 19.193 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.291 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.823 kcal (6) G-S(sol) free energy of system = (1) + (5) 7.902 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 6.15 seconds