Wall clock time and date at job start Sat Apr 11 2020 06:10:44 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 1.52999 * 1 3 3 O 1.45197 * 109.47145 * 2 1 4 4 C 1.34225 * 117.00230 * 179.97438 * 3 2 1 5 5 O 1.20825 * 120.00076 * 0.02562 * 4 3 2 6 6 C 1.50701 * 120.00449 * 179.97438 * 4 3 2 7 7 C 1.52994 * 109.47486 * 180.02562 * 6 4 3 8 8 H 1.09008 * 109.46760 * 304.99666 * 7 6 4 9 9 C 1.52996 * 109.47430 * 64.99941 * 7 6 4 10 10 C 1.52998 * 109.47361 * 185.00154 * 7 6 4 11 11 N 1.46503 * 109.47389 * 174.99536 * 10 7 6 12 12 C 1.34777 * 119.99726 * 179.97438 * 11 10 7 13 13 O 1.21582 * 120.00224 * 355.01327 * 12 11 10 14 14 N 1.34782 * 119.99578 * 175.01713 * 12 11 10 15 15 C 1.46923 * 120.62976 * 4.93957 * 14 12 11 16 16 C 1.53626 * 108.54305 * 126.36728 * 15 14 12 17 17 C 1.53042 * 109.23784 * 54.85720 * 16 15 14 18 18 C 1.53006 * 109.45832 * 178.49038 * 17 16 15 19 19 C 1.50693 * 109.47064 * 295.06837 * 18 17 16 20 20 H 1.08004 * 120.00281 * 359.97438 * 19 18 17 21 21 C 1.37881 * 120.00258 * 180.02562 * 19 18 17 22 22 N 1.31521 * 119.99633 * 0.02562 * 21 19 18 23 23 Si 1.86799 * 120.00539 * 179.97438 * 21 19 18 24 24 H 1.48506 * 109.46658 * 359.97438 * 23 21 19 25 25 H 1.48494 * 109.47251 * 119.99733 * 23 21 19 26 26 H 1.48498 * 109.46898 * 240.00262 * 23 21 19 27 27 C 1.53039 * 109.54057 * 298.50875 * 17 16 15 28 28 C 1.46923 * 120.62993 * 185.21793 * 14 12 11 29 29 H 1.08999 * 109.47499 * 59.99848 * 1 2 3 30 30 H 1.09002 * 109.47494 * 180.02562 * 1 2 3 31 31 H 1.09002 * 109.46867 * 299.99896 * 1 2 3 32 32 H 1.08997 * 109.47250 * 240.00372 * 2 1 3 33 33 H 1.08999 * 109.47048 * 119.99865 * 2 1 3 34 34 H 1.09002 * 109.47212 * 59.99866 * 6 4 3 35 35 H 1.09009 * 109.46901 * 300.00351 * 6 4 3 36 36 H 1.08998 * 109.47382 * 60.00095 * 9 7 6 37 37 H 1.09007 * 109.46813 * 300.00365 * 9 7 6 38 38 H 1.08997 * 109.47241 * 180.02562 * 9 7 6 39 39 H 1.09002 * 109.46969 * 295.00192 * 10 7 6 40 40 H 1.09009 * 109.47276 * 54.99665 * 10 7 6 41 41 H 0.96995 * 119.99936 * 0.02562 * 11 10 7 42 42 H 1.08998 * 109.58960 * 246.20056 * 15 14 12 43 43 H 1.08999 * 109.58643 * 6.62934 * 15 14 12 44 44 H 1.08997 * 109.63644 * 294.86937 * 16 15 14 45 45 H 1.08999 * 109.43267 * 174.71976 * 16 15 14 46 46 H 1.08994 * 109.45171 * 58.52759 * 17 16 15 47 47 H 1.09001 * 109.46869 * 55.07170 * 18 17 16 48 48 H 1.08997 * 109.46897 * 175.06949 * 18 17 16 49 49 H 0.96999 * 120.00172 * 180.02562 * 22 21 19 50 50 H 1.09000 * 109.49807 * 301.41873 * 27 17 16 51 51 H 1.08995 * 109.52987 * 181.33337 * 27 17 16 52 52 H 1.09002 * 109.58770 * 353.38067 * 28 14 12 53 53 H 1.09001 * 109.58463 * 113.65548 * 28 14 12 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 8 2.0140 1.3689 0.0000 4 6 3.3447 1.5448 0.0005 5 8 4.0807 0.5867 0.0005 6 6 3.9207 2.9374 0.0000 7 6 5.4486 2.8574 0.0001 8 1 5.7805 2.2501 0.8423 9 6 5.9261 2.2214 -1.3069 10 6 6.0331 4.2657 0.1253 11 7 7.4907 4.1807 0.2456 12 6 8.2235 5.3052 0.3679 13 8 7.6861 6.3928 0.2874 14 7 9.5522 5.2240 0.5793 15 6 10.2332 3.9221 0.5713 16 6 11.4019 3.9883 -0.4236 17 6 12.3066 5.1683 -0.0612 18 6 13.4929 5.2163 -1.0263 19 6 14.3438 3.9870 -0.8379 20 1 14.0665 3.2457 -0.1029 21 6 15.4769 3.8089 -1.6029 22 7 15.8154 4.7123 -2.4968 23 14 16.5322 2.2854 -1.3689 24 1 15.9400 1.4314 -0.3080 25 1 16.5915 1.5239 -2.6423 26 1 17.9040 2.6901 -0.9696 27 6 11.5125 6.4725 -0.1641 28 6 10.3460 6.4350 0.8281 29 1 -0.3634 0.5138 -0.8899 30 1 -0.3634 -1.0277 0.0005 31 1 -0.3633 0.5138 0.8900 32 1 1.8933 -0.5138 -0.8900 33 1 1.8933 -0.5138 0.8900 34 1 3.5844 3.4701 0.8895 35 1 3.5851 3.4691 -0.8905 36 1 5.5943 2.8286 -2.1490 37 1 5.5097 1.2179 -1.3960 38 1 7.0146 2.1639 -1.3065 39 1 5.7748 4.8463 -0.7603 40 1 5.6232 4.7519 1.0107 41 1 7.9284 3.3151 0.2366 42 1 10.6115 3.7015 1.5694 43 1 9.5331 3.1454 0.2636 44 1 11.0157 4.1229 -1.4339 45 1 11.9743 3.0621 -0.3727 46 1 12.6725 5.0454 0.9581 47 1 13.1256 5.2503 -2.0520 48 1 14.0897 6.1057 -0.8244 49 1 16.6124 4.5869 -3.0354 50 1 11.1252 6.5837 -1.1769 51 1 12.1632 7.3147 0.0710 52 1 9.7203 7.3168 0.6900 53 1 10.7311 6.4164 1.8476 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 ZINC000580188697.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 06:10:44 Heat of formation + Delta-G solvation = -141.857450 kcal Electronic energy + Delta-G solvation = -29726.937965 eV Core-core repulsion = 25597.824306 eV Total energy + Delta-G solvation = -4129.113659 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.74 seconds Orbital eigenvalues (eV) -41.00632 -40.24532 -37.94541 -37.29073 -36.21517 -34.05771 -33.39895 -32.25342 -31.96145 -30.60291 -28.68143 -28.03762 -26.56521 -24.49800 -23.77239 -22.86380 -22.09350 -21.59556 -20.57962 -19.98850 -19.10877 -18.24751 -17.68459 -17.20091 -16.89065 -16.29695 -15.96625 -15.80206 -15.18705 -14.58028 -14.56702 -14.48092 -14.19418 -13.77164 -13.72522 -13.59674 -13.37544 -13.16500 -13.07961 -12.84557 -12.75535 -12.54751 -12.28673 -12.17796 -12.08241 -11.79002 -11.64413 -11.41352 -11.23817 -11.18731 -10.97677 -10.95776 -10.82089 -10.69983 -10.63725 -10.46659 -10.10070 -9.95092 -9.63151 -9.26706 -9.11872 -8.94779 -8.36045 -8.21200 -6.00248 -4.02237 1.80859 2.17263 2.80237 3.29553 3.33017 3.37633 3.40298 3.94160 4.12571 4.37672 4.42041 4.44777 4.45508 4.48387 4.67280 4.77363 5.00123 5.05814 5.11906 5.18640 5.22664 5.27044 5.33998 5.35432 5.46346 5.48429 5.49275 5.55582 5.56928 5.65608 5.69967 5.76587 5.89270 5.95129 6.02256 6.12303 6.13781 6.36953 6.42161 6.46596 6.52524 6.67263 6.97793 7.00996 7.10469 7.12405 7.35419 7.67426 7.82058 7.99797 8.04162 8.42072 8.70706 9.04604 9.61615 11.10984 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015355 B = 0.001874 C = 0.001708 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1823.029246 B =14940.603028 C =16393.830567 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C 0.061 3.939 3 O -0.361 6.361 4 C 0.463 3.537 5 O -0.502 6.502 6 C -0.107 4.107 7 C -0.093 4.093 8 H 0.087 0.913 9 C -0.157 4.157 10 C 0.145 3.855 11 N -0.749 5.749 12 C 0.708 3.292 13 O -0.599 6.599 14 N -0.622 5.622 15 C 0.109 3.891 16 C -0.118 4.118 17 C -0.080 4.080 18 C 0.027 3.973 19 C -0.516 4.516 20 H 0.056 0.944 21 C 0.056 3.944 22 N -0.895 5.895 23 Si 0.889 3.111 24 H -0.273 1.273 25 H -0.285 1.285 26 H -0.285 1.285 27 C -0.130 4.130 28 C 0.130 3.870 29 H 0.067 0.933 30 H 0.080 0.920 31 H 0.067 0.933 32 H 0.070 0.930 33 H 0.070 0.930 34 H 0.110 0.890 35 H 0.111 0.889 36 H 0.056 0.944 37 H 0.073 0.927 38 H 0.060 0.940 39 H 0.069 0.931 40 H 0.066 0.934 41 H 0.397 0.603 42 H 0.066 0.934 43 H 0.066 0.934 44 H 0.058 0.942 45 H 0.083 0.917 46 H 0.058 0.942 47 H 0.015 0.985 48 H 0.016 0.984 49 H 0.259 0.741 50 H 0.060 0.940 51 H 0.070 0.930 52 H 0.086 0.914 53 H 0.061 0.939 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -28.872 -6.433 6.470 30.280 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 -0.210 4.210 2 C -0.012 4.012 3 O -0.278 6.278 4 C 0.306 3.694 5 O -0.390 6.390 6 C -0.145 4.145 7 C -0.112 4.112 8 H 0.106 0.894 9 C -0.214 4.214 10 C 0.020 3.980 11 N -0.408 5.408 12 C 0.409 3.591 13 O -0.478 6.478 14 N -0.359 5.359 15 C -0.014 4.014 16 C -0.156 4.156 17 C -0.098 4.098 18 C -0.010 4.010 19 C -0.554 4.554 20 H 0.074 0.926 21 C -0.145 4.145 22 N -0.534 5.534 23 Si 0.717 3.283 24 H -0.198 1.198 25 H -0.211 1.211 26 H -0.211 1.211 27 C -0.168 4.168 28 C 0.007 3.993 29 H 0.086 0.914 30 H 0.098 0.902 31 H 0.086 0.914 32 H 0.089 0.911 33 H 0.088 0.912 34 H 0.129 0.871 35 H 0.129 0.871 36 H 0.075 0.925 37 H 0.092 0.908 38 H 0.079 0.921 39 H 0.087 0.913 40 H 0.084 0.916 41 H 0.234 0.766 42 H 0.085 0.915 43 H 0.084 0.916 44 H 0.077 0.923 45 H 0.102 0.898 46 H 0.076 0.924 47 H 0.033 0.967 48 H 0.034 0.966 49 H 0.069 0.931 50 H 0.079 0.921 51 H 0.089 0.911 52 H 0.104 0.896 53 H 0.079 0.921 Dipole moment (debyes) X Y Z Total from point charges -28.945 -5.913 6.300 30.207 hybrid contribution 0.995 -1.522 -0.035 1.819 sum -27.949 -7.435 6.266 29.592 Atomic orbital electron populations 1.21815 0.92544 1.03078 1.03595 1.23038 0.95432 0.80070 1.02701 1.86506 1.24678 1.32574 1.84039 1.23703 0.80498 0.92891 0.72310 1.90667 1.60143 1.43278 1.44883 1.21371 0.95554 0.91114 1.06501 1.21206 0.92363 0.96666 1.00945 0.89420 1.22007 1.01907 1.01858 0.95668 1.21121 0.79265 0.95319 1.02294 1.45231 1.06931 1.08211 1.80402 1.15794 0.81384 0.84115 0.77768 1.90875 1.71183 1.26649 1.59104 1.47342 1.05297 1.08704 1.74582 1.21889 0.95247 0.83569 1.00658 1.21973 0.94853 1.01121 0.97667 1.21174 0.96028 0.91745 1.00885 1.19132 0.91079 0.97038 0.93768 1.21279 1.08284 1.05932 1.19897 0.92558 1.25029 0.97727 0.96373 0.95373 1.69978 1.25666 1.34474 1.23306 0.86593 0.80477 0.83349 0.77904 1.19778 1.21125 1.21109 1.22037 0.96103 0.99604 0.99074 1.21543 0.92551 0.86662 0.98523 0.91407 0.90170 0.91430 0.91150 0.91170 0.87147 0.87083 0.92517 0.90832 0.92129 0.91274 0.91576 0.76579 0.91524 0.91586 0.92277 0.89811 0.92367 0.96651 0.96560 0.93120 0.92078 0.91148 0.89595 0.92089 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -0.59 10.29 37.16 0.38 -0.21 16 2 C 0.06 0.37 6.19 37.16 0.23 0.60 16 3 O -0.36 -2.78 10.22 -39.24 -0.40 -3.18 16 4 C 0.46 3.80 7.68 36.01 0.28 4.08 16 5 O -0.50 -5.45 13.72 -18.75 -0.26 -5.71 16 6 C -0.11 -0.63 5.29 -27.89 -0.15 -0.78 16 7 C -0.09 -0.69 2.07 -90.63 -0.19 -0.88 16 8 H 0.09 0.70 7.96 -51.92 -0.41 0.29 16 9 C -0.16 -1.32 8.81 37.16 0.33 -0.99 16 10 C 0.14 1.34 5.07 -4.04 -0.02 1.32 16 11 N -0.75 -8.63 5.19 -65.22 -0.34 -8.96 16 12 C 0.71 10.87 8.30 -86.91 -0.72 10.15 16 13 O -0.60 -11.14 15.77 5.29 0.08 -11.06 16 14 N -0.62 -9.29 2.97 -178.24 -0.53 -9.82 16 15 C 0.11 1.48 6.42 -3.49 -0.02 1.46 16 16 C -0.12 -2.02 5.21 -26.38 -0.14 -2.16 16 17 C -0.08 -1.53 2.10 -90.57 -0.19 -1.73 16 18 C 0.03 0.67 4.45 -27.88 -0.12 0.54 16 19 C -0.52 -13.93 8.39 -34.44 -0.29 -14.22 16 20 H 0.06 1.46 7.06 -52.48 -0.37 1.09 16 21 C 0.06 1.57 5.46 -17.82 -0.10 1.47 16 22 N -0.89 -26.57 13.29 55.43 0.74 -25.83 16 23 Si 0.89 21.25 29.54 -169.99 -5.02 16.22 16 24 H -0.27 -6.34 7.11 56.52 0.40 -5.94 16 25 H -0.29 -6.79 7.11 56.52 0.40 -6.39 16 26 H -0.28 -6.80 7.11 56.52 0.40 -6.40 16 27 C -0.13 -2.21 5.36 -26.61 -0.14 -2.36 16 28 C 0.13 1.98 6.44 -3.71 -0.02 1.96 16 29 H 0.07 0.26 8.14 -51.93 -0.42 -0.17 16 30 H 0.08 0.19 8.14 -51.93 -0.42 -0.23 16 31 H 0.07 0.25 8.14 -51.93 -0.42 -0.17 16 32 H 0.07 0.43 8.13 -51.93 -0.42 0.01 16 33 H 0.07 0.43 8.13 -51.93 -0.42 0.01 16 34 H 0.11 0.46 8.14 -51.93 -0.42 0.04 16 35 H 0.11 0.50 8.14 -51.92 -0.42 0.08 16 36 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 37 H 0.07 0.70 5.96 -51.93 -0.31 0.39 16 38 H 0.06 0.53 7.18 -51.93 -0.37 0.16 16 39 H 0.07 0.69 8.14 -51.93 -0.42 0.27 16 40 H 0.07 0.61 8.14 -51.92 -0.42 0.18 16 41 H 0.40 3.96 5.14 -40.82 -0.21 3.75 16 42 H 0.07 0.85 8.14 -51.93 -0.42 0.43 16 43 H 0.07 0.73 5.64 -51.93 -0.29 0.44 16 44 H 0.06 1.07 8.14 -51.93 -0.42 0.64 16 45 H 0.08 1.52 6.91 -51.93 -0.36 1.16 16 46 H 0.06 1.12 8.14 -51.93 -0.42 0.70 16 47 H 0.02 0.41 8.14 -51.93 -0.42 -0.01 16 48 H 0.02 0.43 8.14 -51.93 -0.42 0.01 16 49 H 0.26 7.28 8.31 -40.82 -0.34 6.94 16 50 H 0.06 1.11 8.14 -51.93 -0.42 0.69 16 51 H 0.07 1.16 8.14 -51.93 -0.42 0.74 16 52 H 0.09 1.36 7.00 -51.93 -0.36 1.00 16 53 H 0.06 0.85 8.14 -51.93 -0.42 0.43 16 LS Contribution 417.19 15.07 6.29 6.29 Total: -1.00 -33.87 417.19 -9.76 -43.63 By element: Atomic # 1 Polarization: 9.59 SS G_CDS: -9.43 Total: 0.15 kcal Atomic # 6 Polarization: -0.84 SS G_CDS: -0.89 Total: -1.73 kcal Atomic # 7 Polarization: -44.49 SS G_CDS: -0.13 Total: -44.62 kcal Atomic # 8 Polarization: -19.37 SS G_CDS: -0.57 Total: -19.94 kcal Atomic # 14 Polarization: 21.25 SS G_CDS: -5.02 Total: 16.22 kcal Total LS contribution 6.29 Total: 6.29 kcal Total: -33.87 -9.76 -43.63 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. ZINC000580188697.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 -98.229 kcal (2) G-P(sol) polarization free energy of solvation -33.866 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -132.096 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.762 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.628 kcal (6) G-S(sol) free energy of system = (1) + (5) -141.857 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.74 seconds