Wall clock time and date at job start Sat Apr 11 2020 06:11:27 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 1.42906 * 1 3 3 C 1.42894 * 113.99920 * 2 1 4 4 C 1.53003 * 109.46756 * 180.02562 * 3 2 1 5 5 C 1.53007 * 109.47092 * 179.97438 * 4 3 2 6 6 C 1.50697 * 109.47242 * 179.97438 * 5 4 3 7 7 O 1.21282 * 120.00057 * 0.02562 * 6 5 4 8 8 N 1.34771 * 120.00016 * 180.02562 * 6 5 4 9 9 C 1.46502 * 120.00172 * 180.02562 * 8 6 5 10 10 H 1.09006 * 109.52610 * 324.90670 * 9 8 6 11 11 C 1.53186 * 109.50055 * 84.99921 * 9 8 6 12 12 N 1.46923 * 108.79063 * 174.64695 * 11 9 8 13 13 C 1.36936 * 120.63703 * 126.32890 * 12 11 9 14 14 H 1.08002 * 119.99963 * 207.47703 * 13 12 11 15 15 C 1.38807 * 120.00116 * 27.47557 * 13 12 11 16 16 N 1.31621 * 119.99926 * 17.82686 * 15 13 12 17 17 Si 1.86805 * 120.00359 * 197.82334 * 15 13 12 18 18 H 1.48493 * 109.47117 * 265.35862 * 17 15 13 19 19 H 1.48498 * 109.46643 * 25.35927 * 17 15 13 20 20 H 1.48498 * 109.47119 * 145.35677 * 17 15 13 21 21 C 1.46946 * 118.72954 * 306.60168 * 12 11 9 22 22 C 1.52654 * 109.02418 * 53.16600 * 21 12 11 23 23 C 1.53080 * 109.37152 * 65.88590 * 22 21 12 24 24 C 1.53112 * 109.15833 * 176.77265 * 23 22 21 25 25 O 1.42905 * 109.40732 * 302.52110 * 24 23 22 26 26 C 1.42903 * 114.13789 * 61.16825 * 25 24 23 27 27 C 1.53083 * 109.58361 * 185.56192 * 22 21 12 28 28 C 1.52950 * 109.56378 * 305.78660 * 22 21 12 29 29 H 1.08994 * 109.46940 * 59.99534 * 1 2 3 30 30 H 1.08997 * 109.47331 * 180.02562 * 1 2 3 31 31 H 1.09005 * 109.46579 * 299.99883 * 1 2 3 32 32 H 1.09001 * 109.47320 * 60.00526 * 3 2 1 33 33 H 1.08996 * 109.47502 * 299.99922 * 3 2 1 34 34 H 1.08995 * 109.47337 * 60.00286 * 4 3 2 35 35 H 1.08998 * 109.47026 * 299.99557 * 4 3 2 36 36 H 1.09007 * 109.47003 * 59.99764 * 5 4 3 37 37 H 1.09000 * 109.47393 * 300.00322 * 5 4 3 38 38 H 0.97005 * 120.00269 * 0.02562 * 8 6 5 39 39 H 1.08994 * 109.58824 * 54.85482 * 11 9 8 40 40 H 1.09008 * 109.58574 * 294.43479 * 11 9 8 41 41 H 0.97000 * 120.00266 * 180.02562 * 16 15 13 42 42 H 1.09004 * 109.58325 * 173.00468 * 21 12 11 43 43 H 1.08997 * 109.58133 * 293.41648 * 21 12 11 44 44 H 1.09001 * 109.52718 * 296.68148 * 23 22 21 45 45 H 1.09004 * 109.52047 * 56.86926 * 23 22 21 46 46 H 1.08991 * 109.48193 * 182.53669 * 24 23 22 47 47 H 1.09001 * 109.48806 * 62.50600 * 24 23 22 48 48 H 1.08997 * 109.48621 * 178.84254 * 26 25 24 49 49 H 1.09004 * 109.48356 * 58.79343 * 26 25 24 50 50 H 1.08995 * 109.52711 * 303.25170 * 27 22 21 51 51 H 1.09002 * 109.51973 * 63.37764 * 27 22 21 52 52 H 1.08997 * 109.45881 * 301.02805 * 28 22 21 53 53 H 1.09004 * 109.44995 * 181.08075 * 28 22 21 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 1.4291 0.0000 0.0000 3 6 2.0102 1.3054 0.0000 4 6 3.5355 1.1845 -0.0006 5 6 4.1579 2.5823 -0.0013 6 6 5.6602 2.4633 -0.0013 7 8 6.1817 1.3683 -0.0013 8 7 6.4241 3.5735 -0.0013 9 6 7.8845 3.4579 -0.0019 10 1 8.1816 2.5910 0.5885 11 6 8.3838 3.2924 -1.4406 12 7 9.8530 3.3071 -1.4363 13 6 10.5627 2.2895 -2.0159 14 1 11.5533 2.0501 -1.6583 15 6 10.0091 1.5656 -3.0629 16 7 8.9841 2.0525 -3.7299 17 14 10.7186 -0.0994 -3.5254 18 1 11.7048 0.0703 -4.6224 19 1 11.3906 -0.6965 -2.3434 20 1 9.6242 -0.9954 -3.9777 21 6 10.5462 4.4317 -0.7929 22 6 10.0210 4.5907 0.6316 23 6 10.4140 3.3633 1.4576 24 6 9.9554 3.5636 2.9047 25 8 10.5375 4.7601 3.4259 26 6 10.1648 5.9462 2.7215 27 6 10.6322 5.8420 1.2672 28 6 8.4974 4.7227 0.6039 29 1 -0.3633 0.5139 -0.8899 30 1 -0.3634 -1.0276 0.0005 31 1 -0.3633 0.5139 0.8901 32 1 1.6887 1.8463 0.8900 33 1 1.6887 1.8464 -0.8899 34 1 3.8568 0.6438 -0.8908 35 1 3.8574 0.6435 0.8891 36 1 3.8366 3.1235 0.8887 37 1 3.8359 3.1230 -0.8912 38 1 6.0070 4.4493 -0.0009 39 1 8.0121 4.1137 -2.0531 40 1 8.0292 2.3437 -1.8436 41 1 8.5969 1.5465 -4.4613 42 1 11.6177 4.2331 -0.7657 43 1 10.3564 5.3469 -1.3537 44 1 9.9347 2.4764 1.0430 45 1 11.4966 3.2388 1.4325 46 1 10.2723 2.7126 3.5075 47 1 8.8689 3.6453 2.9338 48 1 10.6323 6.8109 3.1925 49 1 9.0810 6.0593 2.7478 50 1 11.7195 5.7714 1.2381 51 1 10.3097 6.7252 0.7157 52 1 8.2187 5.5863 0.0002 53 1 8.1261 4.8554 1.6202 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 ZINC001099566988.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 06:11:27 Heat of formation + Delta-G solvation = -119.161379 kcal Electronic energy + Delta-G solvation = -31819.721015 eV Core-core repulsion = 27691.591531 eV Total energy + Delta-G solvation = -4128.129484 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.20 seconds Orbital eigenvalues (eV) -40.28489 -39.20414 -38.03519 -36.94164 -34.22660 -33.74668 -33.55271 -31.09543 -30.68627 -29.76679 -27.76680 -27.04790 -25.74349 -25.42292 -23.39233 -23.06649 -22.48097 -21.32300 -20.34063 -19.84484 -18.05591 -16.92126 -16.76450 -16.42673 -16.25625 -15.96372 -15.80131 -15.28648 -15.19069 -14.94041 -14.81594 -14.52799 -13.96052 -13.77361 -13.72108 -13.60973 -13.29199 -12.91367 -12.66621 -12.40515 -12.18875 -12.06104 -11.95030 -11.79443 -11.46645 -11.41345 -11.12697 -11.03132 -10.96860 -10.93512 -10.79145 -10.67814 -10.47172 -10.21500 -10.07010 -10.04119 -9.84255 -9.81660 -9.56764 -9.31573 -9.05266 -8.53432 -8.41860 -6.66823 -5.76801 -3.19058 3.05467 3.33698 3.42504 3.50753 3.52694 3.80369 4.07904 4.52561 4.81202 4.87361 4.93288 4.97151 5.06460 5.10542 5.15455 5.15691 5.25851 5.29197 5.33099 5.37720 5.39921 5.42665 5.43412 5.51014 5.55253 5.61487 5.64669 5.74151 5.82457 5.87432 5.99388 6.07059 6.09447 6.13728 6.23469 6.28442 6.36531 6.41491 6.49299 6.64749 6.78396 6.79946 6.86732 6.97273 6.99773 7.27098 7.40534 7.70777 7.82645 7.93939 8.46039 8.67812 9.21750 9.85854 10.39893 11.31327 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.008026 B = 0.003813 C = 0.002812 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3487.998086 B = 7342.387428 C = 9956.692409 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 -0.390 6.390 3 C 0.062 3.938 4 C -0.105 4.105 5 C -0.136 4.136 6 C 0.509 3.491 7 O -0.530 6.530 8 N -0.724 5.724 9 C 0.115 3.885 10 H 0.085 0.915 11 C 0.167 3.833 12 N -0.584 5.584 13 C -0.256 4.256 14 H 0.066 0.934 15 C 0.008 3.992 16 N -0.898 5.898 17 Si 0.900 3.100 18 H -0.288 1.288 19 H -0.278 1.278 20 H -0.289 1.289 21 C 0.157 3.843 22 C -0.070 4.070 23 C -0.137 4.137 24 C 0.059 3.941 25 O -0.388 6.388 26 C 0.062 3.938 27 C -0.142 4.142 28 C -0.110 4.110 29 H 0.040 0.960 30 H 0.084 0.916 31 H 0.039 0.961 32 H 0.047 0.953 33 H 0.049 0.951 34 H 0.081 0.919 35 H 0.078 0.922 36 H 0.089 0.911 37 H 0.092 0.908 38 H 0.391 0.609 39 H 0.016 0.984 40 H 0.095 0.905 41 H 0.253 0.747 42 H 0.056 0.944 43 H 0.018 0.982 44 H 0.089 0.911 45 H 0.066 0.934 46 H 0.087 0.913 47 H 0.047 0.953 48 H 0.085 0.915 49 H 0.047 0.953 50 H 0.071 0.929 51 H 0.069 0.931 52 H 0.060 0.940 53 H 0.053 0.947 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -11.497 7.594 11.067 17.673 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 -0.309 6.309 3 C -0.015 4.015 4 C -0.143 4.143 5 C -0.177 4.177 6 C 0.294 3.706 7 O -0.406 6.406 8 N -0.374 5.374 9 C 0.010 3.990 10 H 0.103 0.897 11 C 0.040 3.960 12 N -0.306 5.306 13 C -0.385 4.385 14 H 0.084 0.916 15 C -0.191 4.191 16 N -0.542 5.542 17 Si 0.729 3.271 18 H -0.216 1.216 19 H -0.203 1.203 20 H -0.215 1.215 21 C 0.030 3.970 22 C -0.073 4.073 23 C -0.175 4.175 24 C -0.017 4.017 25 O -0.307 6.307 26 C -0.015 4.015 27 C -0.180 4.180 28 C -0.148 4.148 29 H 0.059 0.941 30 H 0.103 0.897 31 H 0.058 0.942 32 H 0.066 0.934 33 H 0.067 0.933 34 H 0.100 0.900 35 H 0.096 0.904 36 H 0.107 0.893 37 H 0.111 0.889 38 H 0.224 0.776 39 H 0.034 0.966 40 H 0.113 0.887 41 H 0.063 0.937 42 H 0.074 0.926 43 H 0.036 0.964 44 H 0.107 0.893 45 H 0.085 0.915 46 H 0.105 0.895 47 H 0.065 0.935 48 H 0.104 0.896 49 H 0.065 0.935 50 H 0.089 0.911 51 H 0.088 0.912 52 H 0.079 0.921 53 H 0.072 0.928 Dipole moment (debyes) X Y Z Total from point charges -10.943 6.527 11.053 16.868 hybrid contribution -0.403 -0.033 -0.680 0.791 sum -11.346 6.494 10.373 16.688 Atomic orbital electron populations 1.22731 0.81250 1.02700 0.99812 1.87913 1.19487 1.28149 1.95376 1.22571 0.94375 0.84560 0.99948 1.21220 0.91706 0.96166 1.05185 1.21532 0.92994 0.99055 1.04083 1.20428 0.88997 0.84669 0.76490 1.90757 1.74873 1.26446 1.48542 1.46082 1.07695 1.08194 1.75460 1.22015 0.77273 0.97886 1.01849 0.89666 1.21092 0.83428 1.02359 0.89122 1.43900 1.00750 1.21201 1.64700 1.19103 1.00547 1.08107 1.10729 0.91636 1.24989 0.98680 0.99739 0.95676 1.70017 1.26118 1.36809 1.21232 0.86328 0.78096 0.84437 0.78214 1.21558 1.20310 1.21494 1.20856 0.96002 0.91052 0.89081 1.20916 0.94078 0.94010 0.98252 1.22164 1.01953 0.99487 0.93888 1.22663 0.96912 0.86915 0.95217 1.87865 1.72170 1.15063 1.55642 1.22549 0.98899 0.87719 0.92308 1.22165 1.01497 0.98436 0.95900 1.21804 0.95534 0.97808 0.99607 0.94122 0.89701 0.94221 0.93434 0.93268 0.90039 0.90356 0.89266 0.88915 0.77601 0.96644 0.88683 0.93687 0.92573 0.96395 0.89257 0.91545 0.89504 0.93511 0.89640 0.93475 0.91068 0.91211 0.92137 0.92832 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 0.26 11.01 101.05 1.11 1.37 16 2 O -0.39 -4.76 10.70 -35.23 -0.38 -5.14 16 3 C 0.06 0.64 5.94 37.16 0.22 0.86 16 4 C -0.10 -1.33 4.87 -26.73 -0.13 -1.46 16 5 C -0.14 -1.54 5.70 -27.88 -0.16 -1.70 16 6 C 0.51 8.35 7.80 -10.99 -0.09 8.26 16 7 O -0.53 -11.47 15.65 5.56 0.09 -11.38 16 8 N -0.72 -11.01 5.08 -53.68 -0.27 -11.28 16 9 C 0.11 2.11 2.27 -67.81 -0.15 1.96 16 10 H 0.09 1.80 5.72 -51.93 -0.30 1.50 16 11 C 0.17 3.91 4.89 -3.72 -0.02 3.90 16 12 N -0.58 -14.14 2.52 -172.64 -0.43 -14.58 16 13 C -0.26 -6.97 9.59 -15.06 -0.14 -7.12 16 14 H 0.07 1.76 7.89 -52.49 -0.41 1.35 16 15 C 0.01 0.23 4.90 -17.43 -0.09 0.15 16 16 N -0.90 -26.42 11.20 55.49 0.62 -25.80 16 17 Si 0.90 22.43 29.59 -169.99 -5.03 17.40 16 18 H -0.29 -7.11 7.11 56.52 0.40 -6.71 16 19 H -0.28 -6.82 7.11 56.52 0.40 -6.42 16 20 H -0.29 -7.35 7.11 56.52 0.40 -6.95 16 21 C 0.16 3.12 5.15 -3.98 -0.02 3.10 16 22 C -0.07 -1.12 0.51 -154.63 -0.08 -1.20 16 23 C -0.14 -2.29 4.47 -26.63 -0.12 -2.41 16 24 C 0.06 0.86 6.57 37.22 0.24 1.11 16 25 O -0.39 -5.70 10.76 -35.23 -0.38 -6.08 16 26 C 0.06 0.76 6.57 37.22 0.24 1.00 16 27 C -0.14 -1.87 4.92 -26.63 -0.13 -2.00 16 28 C -0.11 -1.66 3.63 -26.73 -0.10 -1.76 16 29 H 0.04 0.29 8.14 -51.93 -0.42 -0.13 16 30 H 0.08 0.60 8.14 -51.93 -0.42 0.18 16 31 H 0.04 0.27 8.14 -51.93 -0.42 -0.15 16 32 H 0.05 0.41 8.14 -51.93 -0.42 -0.02 16 33 H 0.05 0.45 8.14 -51.93 -0.42 0.02 16 34 H 0.08 1.23 8.10 -51.93 -0.42 0.81 16 35 H 0.08 1.09 8.10 -51.93 -0.42 0.67 16 36 H 0.09 0.75 8.14 -51.92 -0.42 0.32 16 37 H 0.09 0.89 8.14 -51.93 -0.42 0.47 16 38 H 0.39 4.51 8.60 -40.82 -0.35 4.16 16 39 H 0.02 0.38 8.14 -51.93 -0.42 -0.04 16 40 H 0.10 2.67 6.03 -51.92 -0.31 2.36 16 41 H 0.25 7.28 8.31 -40.82 -0.34 6.94 16 42 H 0.06 1.13 7.93 -51.93 -0.41 0.72 16 43 H 0.02 0.37 8.14 -51.93 -0.42 -0.06 16 44 H 0.09 1.75 5.93 -51.93 -0.31 1.44 16 45 H 0.07 1.14 8.14 -51.93 -0.42 0.71 16 46 H 0.09 1.17 8.14 -51.93 -0.42 0.75 16 47 H 0.05 0.67 6.64 -51.93 -0.34 0.32 16 48 H 0.09 0.88 8.14 -51.93 -0.42 0.46 16 49 H 0.05 0.54 6.58 -51.93 -0.34 0.20 16 50 H 0.07 0.96 8.14 -51.93 -0.42 0.54 16 51 H 0.07 0.84 8.14 -51.93 -0.42 0.41 16 52 H 0.06 0.88 8.14 -51.93 -0.42 0.46 16 53 H 0.05 0.73 5.03 -51.93 -0.26 0.47 16 LS Contribution 402.61 15.07 6.07 6.07 Total: -1.00 -33.46 402.61 -8.48 -41.94 By element: Atomic # 1 Polarization: 14.15 SS G_CDS: -9.36 Total: 4.78 kcal Atomic # 6 Polarization: 3.47 SS G_CDS: 0.60 Total: 4.07 kcal Atomic # 7 Polarization: -51.57 SS G_CDS: -0.09 Total: -51.65 kcal Atomic # 8 Polarization: -21.93 SS G_CDS: -0.67 Total: -22.60 kcal Atomic # 14 Polarization: 22.43 SS G_CDS: -5.03 Total: 17.40 kcal Total LS contribution 6.07 Total: 6.07 kcal Total: -33.46 -8.48 -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. ZINC001099566988.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 -77.226 kcal (2) G-P(sol) polarization free energy of solvation -33.456 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -110.682 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.480 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.935 kcal (6) G-S(sol) free energy of system = (1) + (5) -119.161 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.20 seconds