Wall clock time and date at job start Sun Mar 7 2021 06:31:37 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 * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 N 1.46905 * 1 3 3 H 1.00894 * 109.46940 * 2 1 4 4 C 1.46899 * 109.46715 * 119.99769 * 2 1 3 5 5 C 1.46898 * 109.46908 * 239.99684 * 2 1 3 6 6 C 1.53010 * 109.46882 * 65.00348 * 5 2 1 7 7 H 1.09001 * 112.90803 * 316.24765 * 6 5 2 8 8 C 1.53773 * 113.61298 * 87.50220 * 6 5 2 9 9 C 1.53781 * 87.08190 * 139.97980 * 8 6 5 10 10 H 1.08994 * 113.69034 * 220.00300 * 9 8 6 11 11 N 1.46498 * 113.61443 * 89.11327 * 9 8 6 12 12 C 1.34781 * 120.00248 * 107.50620 * 11 9 8 13 13 O 1.21280 * 119.99543 * 359.97438 * 12 11 9 14 14 C 1.50696 * 120.00162 * 180.02562 * 12 11 9 15 15 C 1.50701 * 109.46934 * 179.97438 * 14 12 11 16 16 C 1.38277 * 119.93469 * 90.00283 * 15 14 12 17 17 C 1.38121 * 120.06690 * 180.02562 * 16 15 14 18 18 C 1.38822 * 119.93284 * 359.97438 * 17 16 15 19 19 N 1.40199 * 120.06442 * 179.97438 * 18 17 16 20 20 C 1.36568 * 125.66745 * 309.99584 * 19 18 17 21 21 C 1.34852 * 108.19950 * 180.02562 * 20 19 18 22 22 C 1.40943 * 107.46824 * 359.75447 * 21 20 19 23 23 C 1.34843 * 107.46721 * 0.40691 * 22 21 20 24 24 C 1.50696 * 125.89921 * 179.85067 * 23 22 21 25 25 O 1.42903 * 109.47131 * 149.69181 * 24 23 22 26 26 Si 1.86305 * 109.47185 * 29.69722 * 24 23 22 27 27 C 1.38823 * 119.87132 * 0.24998 * 18 17 16 28 28 C 1.38124 * 119.93151 * 359.51854 * 27 18 17 29 29 C 1.53774 * 87.07897 * 334.56574 * 9 8 6 30 30 H 1.08998 * 109.47232 * 180.02562 * 1 2 3 31 31 H 1.09007 * 109.46756 * 300.00009 * 1 2 3 32 32 H 1.09000 * 109.46781 * 59.99813 * 1 2 3 33 33 H 1.09006 * 109.46934 * 179.97438 * 4 2 1 34 34 H 1.08995 * 109.47302 * 299.99576 * 4 2 1 35 35 H 1.08998 * 109.46822 * 60.00396 * 4 2 1 36 36 H 1.08997 * 109.47105 * 305.00632 * 5 2 1 37 37 H 1.08998 * 109.47145 * 184.99794 * 5 2 1 38 38 H 1.09001 * 113.62166 * 25.42949 * 8 6 5 39 39 H 1.09004 * 113.61708 * 254.52671 * 8 6 5 40 40 H 0.97003 * 120.00337 * 287.50344 * 11 9 8 41 41 H 1.08996 * 109.47375 * 59.99907 * 14 12 11 42 42 H 1.09003 * 109.47301 * 299.99831 * 14 12 11 43 43 H 1.08001 * 119.96813 * 0.02562 * 16 15 14 44 44 H 1.08003 * 120.03525 * 179.97438 * 17 16 15 45 45 H 1.08004 * 125.89972 * 359.96496 * 20 19 18 46 46 H 1.08010 * 126.26315 * 180.02562 * 21 20 19 47 47 H 1.08003 * 126.26109 * 180.26753 * 22 21 20 48 48 H 1.08999 * 109.47358 * 269.69541 * 24 23 22 49 49 H 0.96700 * 114.00311 * 300.00591 * 25 24 23 50 50 H 1.48497 * 110.00233 * 179.97438 * 26 24 23 51 51 H 1.48492 * 109.99800 * 301.31995 * 26 24 23 52 52 H 1.08005 * 120.03487 * 179.74002 * 27 18 17 53 53 H 1.08000 * 119.96807 * 180.22501 * 28 27 18 54 54 H 1.08998 * 113.61571 * 139.98362 * 29 9 8 55 55 H 1.09000 * 113.61609 * 270.88283 * 29 9 8 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 7 1.4690 0.0000 0.0000 3 1 1.8053 0.9512 0.0000 4 6 1.9586 -0.6925 1.1995 5 6 1.9587 -0.6926 -1.1994 6 6 1.5539 0.0977 -2.4455 7 1 0.5241 0.4529 -2.4067 8 6 2.5663 1.1855 -2.8409 9 6 2.3146 0.7781 -4.3022 10 1 3.2161 0.7643 -4.9145 11 7 1.2100 1.5055 -4.9323 12 6 1.4666 2.4473 -5.8617 13 8 2.6120 2.6928 -6.1760 14 6 0.3305 3.1960 -6.5094 15 6 0.8826 4.1848 -7.5036 16 6 1.0772 3.8053 -8.8189 17 6 1.5836 4.7092 -9.7323 18 6 1.8968 6.0000 -9.3287 19 7 2.4115 6.9196 -10.2534 20 6 3.4591 6.6955 -11.1005 21 6 3.6562 7.8117 -11.8311 22 6 2.6934 8.7580 -11.4259 23 6 1.9491 8.1885 -10.4564 24 6 0.8013 8.8379 -9.7272 25 8 -0.1444 7.8384 -9.3413 26 14 -0.0258 10.0754 -10.8477 27 6 1.7048 6.3768 -8.0065 28 6 1.1936 5.4699 -7.0987 29 6 1.9136 -0.6058 -3.7648 30 1 -0.3633 -1.0276 0.0005 31 1 -0.3633 0.5139 0.8901 32 1 -0.3633 0.5139 -0.8900 33 1 3.0487 -0.6929 1.1993 34 1 1.5953 -0.1786 2.0894 35 1 1.5953 -1.7201 1.1994 36 1 1.5239 -1.6910 -1.2453 37 1 3.0450 -0.7708 -1.1558 38 1 3.5814 0.9822 -2.4996 39 1 2.2345 2.1969 -2.6062 40 1 0.2940 1.3094 -4.6806 41 1 -0.2367 3.7277 -5.7454 42 1 -0.3236 2.4910 -7.0225 43 1 0.8330 2.8011 -9.1324 44 1 1.7358 4.4121 -10.7594 45 1 4.0315 5.7824 -11.1721 46 1 4.4106 7.9530 -12.5910 47 1 2.5751 9.7572 -11.8185 48 1 1.1761 9.3459 -8.8386 49 1 -0.5201 7.3450 -10.0832 50 1 -1.1600 10.7224 -10.1405 51 1 0.9550 11.1024 -11.2817 52 1 1.9515 7.3791 -7.6887 53 1 1.0405 5.7635 -6.0707 54 1 1.0547 -1.0407 -4.2760 55 1 2.7501 -1.2990 -3.6761 There are 69 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 69 No. of singly occupied orbitals= 1 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=WATER s_22_16608396_13287746.mol2 55 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sun Mar 7 2021 06:31:37 Heat of formation + Delta-G solvation = 153.838271 kcal Electronic energy + Delta-G solvation = -33276.803186 eV Core-core repulsion = 28979.945225 eV Total energy + Delta-G solvation = -4296.857961 eV No. of doubly occupied orbitals = 69 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 371.212 amu Computer time = 1.30 seconds Orbital eigenvalues (eV) -42.76459 -42.22036 -41.10587 -39.95174 -38.90939 -37.74370 -34.89879 -34.47508 -32.16470 -31.87051 -31.08710 -30.10391 -29.38426 -27.84884 -26.85539 -26.12331 -25.79759 -24.03201 -24.00265 -23.25416 -21.76324 -21.45032 -20.68235 -20.42568 -19.33015 -19.30545 -18.23517 -17.66116 -17.56183 -17.23625 -17.10561 -17.01769 -16.47298 -16.18986 -15.85486 -15.84782 -15.56359 -15.42655 -15.11414 -14.87649 -14.71079 -14.49603 -14.45970 -14.21958 -14.05995 -13.99412 -13.76297 -13.57412 -13.48492 -13.37523 -13.25778 -13.24056 -13.13802 -13.01982 -12.77615 -12.64067 -12.27828 -12.05973 -12.05008 -12.01759 -11.68544 -11.34443 -11.07218 -10.78706 -10.34369 -10.09728 -9.97476 -9.18864 -9.11253 -4.99515 -0.02696 0.35302 1.02130 1.02622 1.33254 1.59186 1.59555 1.84078 1.90819 2.04648 2.11071 2.71831 2.91121 2.96168 3.17709 3.31903 3.39802 3.45311 3.58977 3.61937 3.72996 3.75106 3.79379 3.87735 3.89358 4.00842 4.08211 4.18768 4.19612 4.26623 4.30886 4.37017 4.37135 4.44934 4.45547 4.48767 4.50981 4.58934 4.63147 4.66539 4.73715 4.75853 4.80385 4.84219 4.86863 4.87773 4.95144 4.96921 5.03274 5.14296 5.17249 5.18442 5.21551 5.34436 5.47857 5.58176 5.79345 5.86074 6.11601 6.45514 6.51632 6.54749 7.26476 Molecular weight = 371.21amu Principal moments of inertia in cm(-1) A = 0.019465 B = 0.001637 C = 0.001579 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1438.117981 B =17101.939857 C =17731.820524 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.055 4.055 2 N -0.373 5.373 3 H 0.435 0.565 4 C -0.047 4.047 5 C 0.007 3.993 6 C -0.118 4.118 7 H 0.134 0.866 8 C -0.153 4.153 9 C 0.092 3.908 10 H 0.062 0.938 11 N -0.701 5.701 12 C 0.515 3.485 13 O -0.581 6.581 14 C -0.097 4.097 15 C -0.067 4.067 16 C -0.098 4.098 17 C -0.125 4.125 18 C 0.112 3.888 19 N -0.393 5.393 20 C -0.016 4.016 21 C -0.201 4.201 22 C -0.207 4.207 23 C -0.017 4.017 24 C -0.043 4.043 25 O -0.542 6.542 26 Si 0.793 3.207 27 C -0.098 4.098 28 C -0.097 4.097 29 C -0.127 4.127 30 H 0.123 0.877 31 H 0.125 0.875 32 H 0.124 0.876 33 H 0.122 0.878 34 H 0.125 0.875 35 H 0.121 0.879 36 H 0.144 0.856 37 H 0.138 0.862 38 H 0.104 0.896 39 H 0.076 0.924 40 H 0.420 0.580 41 H 0.135 0.865 42 H 0.133 0.867 43 H 0.146 0.854 44 H 0.132 0.868 45 H 0.177 0.823 46 H 0.151 0.849 47 H 0.145 0.855 48 H 0.108 0.892 49 H 0.388 0.612 50 H -0.288 1.288 51 H -0.287 1.287 52 H 0.109 0.891 53 H 0.140 0.860 54 H 0.087 0.913 55 H 0.107 0.893 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.750 -26.625 33.909 43.638 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 -0.197 4.197 2 N 0.051 4.949 3 H 0.271 0.729 4 C -0.189 4.189 5 C -0.114 4.114 6 C -0.136 4.136 7 H 0.152 0.848 8 C -0.191 4.191 9 C -0.014 4.014 10 H 0.081 0.919 11 N -0.354 5.354 12 C 0.302 3.698 13 O -0.460 6.460 14 C -0.136 4.136 15 C -0.068 4.068 16 C -0.116 4.116 17 C -0.145 4.145 18 C 0.022 3.978 19 N -0.066 5.066 20 C -0.144 4.144 21 C -0.225 4.225 22 C -0.232 4.232 23 C -0.127 4.127 24 C -0.153 4.153 25 O -0.349 6.349 26 Si 0.697 3.303 27 C -0.118 4.118 28 C -0.115 4.115 29 C -0.165 4.165 30 H 0.142 0.858 31 H 0.143 0.857 32 H 0.142 0.858 33 H 0.141 0.859 34 H 0.143 0.857 35 H 0.140 0.860 36 H 0.162 0.838 37 H 0.156 0.844 38 H 0.122 0.878 39 H 0.095 0.905 40 H 0.258 0.742 41 H 0.153 0.847 42 H 0.151 0.849 43 H 0.164 0.836 44 H 0.150 0.850 45 H 0.194 0.806 46 H 0.169 0.831 47 H 0.163 0.837 48 H 0.125 0.875 49 H 0.237 0.763 50 H -0.215 1.215 51 H -0.213 1.213 52 H 0.127 0.873 53 H 0.158 0.842 54 H 0.105 0.895 55 H 0.125 0.875 Dipole moment (debyes) X Y Z Total from point charges -6.225 -25.891 34.390 43.494 hybrid contribution 0.878 0.620 -0.159 1.087 sum -5.347 -25.271 34.231 42.883 Atomic orbital electron populations 1.24224 0.76103 1.09786 1.09576 1.44815 1.16058 1.19384 1.14613 0.72853 1.24125 1.05637 1.02453 0.86641 1.23925 1.05706 0.99777 0.82042 1.23062 1.01575 0.95972 0.92983 0.84811 1.23659 1.00890 0.99862 0.94735 1.21944 0.90593 0.94204 0.94665 0.91911 1.45491 1.10620 1.38357 1.40898 1.20950 0.90175 0.79749 0.78883 1.90791 1.24951 1.66615 1.63605 1.20759 0.96366 0.97764 0.98758 1.19593 0.98762 0.94116 0.94308 1.21093 0.98246 0.99650 0.92622 1.21134 1.00285 0.92068 1.00967 1.17823 1.01327 0.89893 0.88736 1.41551 1.25410 1.10691 1.28987 1.22286 0.93800 1.01923 0.96373 1.21185 1.03143 0.93865 1.04338 1.20962 1.00010 1.01081 1.01140 1.21192 1.02266 0.86387 1.02870 1.24864 0.88352 0.97764 1.04298 1.86464 1.58483 1.52236 1.37684 0.93059 0.77965 0.76297 0.82958 1.20880 0.99634 0.99822 0.91428 1.21002 0.97973 0.92897 0.99633 1.23266 1.03590 0.94818 0.94876 0.85822 0.85654 0.85770 0.85948 0.85691 0.86031 0.83789 0.84403 0.87772 0.90488 0.74195 0.84716 0.84876 0.83638 0.85039 0.80593 0.83125 0.83725 0.87506 0.76324 1.21505 1.21344 0.87255 0.84196 0.89484 0.87468 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 -0.05 3.56 8.98 127.69 1.15 4.71 16 2 N -0.37 24.84 0.66 -948.82 -0.62 24.22 16 3 H 0.44 -29.96 8.44 -89.70 -0.76 -30.72 16 4 C -0.05 3.00 9.19 127.69 1.17 4.17 16 5 C 0.01 -0.46 4.48 86.31 0.39 -0.08 16 6 C -0.12 6.41 3.45 -10.27 -0.04 6.38 16 7 H 0.13 -7.84 6.10 -2.39 -0.01 -7.85 16 8 C -0.15 6.85 7.43 31.12 0.23 7.08 16 9 C 0.09 -3.24 4.32 45.52 0.20 -3.05 16 10 H 0.06 -1.56 7.46 -2.39 -0.02 -1.58 16 11 N -0.70 23.94 5.26 -440.06 -2.32 21.63 16 12 C 0.51 -12.24 7.82 87.66 0.69 -11.55 16 13 O -0.58 6.47 15.63 -3.03 -0.05 6.42 16 14 C -0.10 2.66 5.83 29.10 0.17 2.83 16 15 C -0.07 1.18 4.37 -19.85 -0.09 1.10 16 16 C -0.10 1.52 9.69 22.25 0.22 1.73 16 17 C -0.13 1.46 9.66 22.38 0.22 1.67 16 18 C 0.11 -0.95 4.89 38.08 0.19 -0.76 16 19 N -0.39 2.45 2.87 -333.42 -0.96 1.49 16 20 C -0.02 0.10 11.12 83.18 0.93 1.02 16 21 C -0.20 1.07 10.86 22.15 0.24 1.31 16 22 C -0.21 1.05 9.42 22.15 0.21 1.26 16 23 C -0.02 0.11 6.02 41.04 0.25 0.36 16 24 C -0.04 0.41 2.28 71.23 0.16 0.57 16 25 O -0.54 6.07 9.86 -148.98 -1.47 4.60 16 26 Si 0.79 -8.59 31.30 68.60 2.15 -6.44 16 27 C -0.10 0.91 7.66 22.38 0.17 1.08 16 28 C -0.10 1.39 9.69 22.25 0.22 1.60 16 29 C -0.13 5.67 7.39 31.12 0.23 5.90 16 30 H 0.12 -7.93 8.11 -2.39 -0.02 -7.95 16 31 H 0.12 -8.04 8.14 -2.38 -0.02 -8.06 16 32 H 0.12 -8.05 6.10 -2.39 -0.01 -8.06 16 33 H 0.12 -7.75 8.11 -2.38 -0.02 -7.77 16 34 H 0.12 -7.94 8.14 -2.39 -0.02 -7.96 16 35 H 0.12 -7.70 8.14 -2.39 -0.02 -7.72 16 36 H 0.14 -9.13 8.09 -2.39 -0.02 -9.15 16 37 H 0.14 -8.57 7.79 -2.39 -0.02 -8.59 16 38 H 0.10 -4.70 7.90 -2.39 -0.02 -4.72 16 39 H 0.08 -3.28 8.14 -2.39 -0.02 -3.30 16 40 H 0.42 -17.72 8.70 -92.71 -0.81 -18.52 16 41 H 0.13 -4.46 8.08 -2.39 -0.02 -4.48 16 42 H 0.13 -4.29 8.09 -2.39 -0.02 -4.31 16 43 H 0.15 -2.91 8.06 -2.91 -0.02 -2.93 16 44 H 0.13 -1.69 8.06 -2.91 -0.02 -1.72 16 45 H 0.18 -1.77 8.06 -2.91 -0.02 -1.79 16 46 H 0.15 -1.23 8.06 -2.91 -0.02 -1.25 16 47 H 0.15 -0.93 6.66 -2.91 -0.02 -0.95 16 48 H 0.11 -0.95 7.96 -2.39 -0.02 -0.97 16 49 H 0.39 -6.34 8.70 -74.06 -0.64 -6.98 16 50 H -0.29 1.48 7.11 99.48 0.71 2.18 16 51 H -0.29 1.51 6.78 99.48 0.67 2.19 16 52 H 0.11 -0.79 7.67 -2.91 -0.02 -0.82 16 53 H 0.14 -2.62 8.06 -2.91 -0.02 -2.64 16 54 H 0.09 -3.77 8.14 -2.39 -0.02 -3.79 16 55 H 0.11 -4.76 8.10 -2.39 -0.02 -4.77 16 Total: 1.00 -88.06 437.13 2.32 -85.75 By element: Atomic # 1 Polarization: -163.69 SS G_CDS: -1.30 Total: -164.99 kcal Atomic # 6 Polarization: 20.44 SS G_CDS: 6.89 Total: 27.33 kcal Atomic # 7 Polarization: 51.23 SS G_CDS: -3.90 Total: 47.33 kcal Atomic # 8 Polarization: 12.54 SS G_CDS: -1.52 Total: 11.02 kcal Atomic # 14 Polarization: -8.59 SS G_CDS: 2.15 Total: -6.44 kcal Total: -88.06 2.32 -85.75 kcal The number of atoms in the molecule is 55 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. s_22_16608396_13287746.mol2 55 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 239.583 kcal (2) G-P(sol) polarization free energy of solvation -88.064 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 151.519 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 2.319 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -85.745 kcal (6) G-S(sol) free energy of system = (1) + (5) 153.838 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.30 seconds