Wall clock time and date at job start Wed Apr 1 2020 00:07:34 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 1.53005 * 1 3 3 H 1.08999 * 109.48717 * 2 1 4 4 O 1.42902 * 109.47859 * 239.97438 * 2 1 3 5 5 C 1.42910 * 114.09279 * 178.86130 * 4 2 1 6 6 C 1.53089 * 109.41716 * 61.15702 * 5 4 2 7 7 C 1.53178 * 109.16197 * 302.38893 * 6 5 4 8 8 C 1.53089 * 109.47991 * 120.03225 * 2 1 3 9 9 H 1.08997 * 109.57597 * 57.65123 * 8 2 1 10 10 C 1.50704 * 109.52117 * 297.49832 * 8 2 1 11 11 O 1.21282 * 119.99786 * 331.24499 * 10 8 2 12 12 N 1.34773 * 119.99984 * 151.24813 * 10 8 2 13 13 C 1.46503 * 120.00010 * 5.37660 * 12 10 8 14 14 C 1.50695 * 109.47254 * 94.80568 * 13 12 10 15 15 H 1.08006 * 120.00097 * 359.97438 * 14 13 12 16 16 C 1.37881 * 119.99915 * 180.02562 * 14 13 12 17 17 N 1.31514 * 119.99954 * 359.97438 * 16 14 13 18 18 Si 1.86799 * 119.99654 * 179.97438 * 16 14 13 19 19 H 1.48500 * 109.47609 * 0.02562 * 18 16 14 20 20 H 1.48503 * 109.46867 * 120.00225 * 18 16 14 21 21 H 1.48497 * 109.47114 * 239.99820 * 18 16 14 22 22 C 1.46501 * 119.99925 * 185.37341 * 12 10 8 23 23 C 1.53001 * 109.47323 * 270.00051 * 22 12 10 24 24 N 1.46901 * 109.47422 * 180.02562 * 23 22 12 25 25 C 1.47012 * 110.99645 * 293.63755 * 24 23 22 26 26 C 1.53099 * 109.25882 * 177.60764 * 25 24 23 27 27 O 1.43015 * 109.25759 * 56.84264 * 26 25 24 28 28 C 1.43018 * 113.74038 * 301.33366 * 27 26 25 29 29 C 1.47010 * 111.00322 * 169.99948 * 24 23 22 30 30 H 1.08993 * 109.47251 * 299.96549 * 1 2 3 31 31 H 1.09000 * 109.46909 * 59.96958 * 1 2 3 32 32 H 1.09003 * 109.46777 * 179.97438 * 1 2 3 33 33 H 1.09000 * 109.47925 * 301.16821 * 5 4 2 34 34 H 1.09002 * 109.48649 * 181.14305 * 5 4 2 35 35 H 1.08998 * 109.52103 * 182.48633 * 6 5 4 36 36 H 1.08998 * 109.52446 * 62.29476 * 6 5 4 37 37 H 1.08992 * 109.54595 * 297.11503 * 7 6 5 38 38 H 1.09003 * 109.54011 * 176.84486 * 7 6 5 39 39 H 1.08996 * 109.47206 * 334.79798 * 13 12 10 40 40 H 1.09006 * 109.46565 * 214.80078 * 13 12 10 41 41 H 0.97003 * 119.99825 * 359.97438 * 17 16 14 42 42 H 1.08996 * 109.47327 * 29.99989 * 22 12 10 43 43 H 1.09007 * 109.47411 * 149.99921 * 22 12 10 44 44 H 1.08998 * 109.47174 * 299.99781 * 23 22 12 45 45 H 1.08994 * 109.47117 * 59.99983 * 23 22 12 46 46 H 1.08999 * 109.50874 * 297.53759 * 25 24 23 47 47 H 1.08997 * 109.51166 * 57.67173 * 25 24 23 48 48 H 1.09008 * 109.50303 * 296.91105 * 26 25 24 49 49 H 1.08997 * 109.51106 * 176.78290 * 26 25 24 50 50 H 1.08998 * 109.50303 * 298.73435 * 28 27 26 51 51 H 1.09000 * 109.54162 * 178.62641 * 28 27 26 52 52 H 1.09004 * 109.50355 * 302.32619 * 29 24 23 53 53 H 1.09006 * 109.50411 * 62.40917 * 29 24 23 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 1.8937 1.0276 0.0000 4 8 2.0066 -0.6741 -1.1664 5 6 3.4308 -0.7093 -1.2790 6 6 4.0177 -1.4601 -0.0809 7 6 3.5711 -0.7709 1.2122 8 6 2.0406 -0.7223 1.2495 9 1 1.6443 -1.7375 1.2720 10 6 1.5902 0.0214 2.4804 11 8 1.4082 1.2195 2.4323 12 7 1.3898 -0.6449 3.6347 13 6 1.7218 -2.0689 3.7256 14 6 3.1103 -2.2260 4.2897 15 1 3.6880 -1.3525 4.5536 16 6 3.6437 -3.4850 4.4678 17 7 2.9404 -4.5487 4.1459 18 14 5.3652 -3.6796 5.1663 19 1 5.9407 -2.3394 5.4454 20 1 5.3024 -4.4630 6.4263 21 1 6.2208 -4.3913 4.1831 22 6 0.8400 0.0549 4.7985 23 6 1.9842 0.6370 5.6309 24 7 1.4330 1.3382 6.7982 25 6 0.6689 2.5251 6.3874 26 6 0.0641 3.1902 7.6267 27 8 1.1101 3.5115 8.5475 28 6 1.8742 2.3784 8.9691 29 6 2.4974 1.7053 7.7435 30 1 -0.3633 0.5133 0.8902 31 1 -0.3633 0.5143 -0.8897 32 1 -0.3633 -1.0277 -0.0005 33 1 3.8193 0.3090 -1.2958 34 1 3.7102 -1.2201 -2.2005 35 1 5.1059 -1.4497 -0.1421 36 1 3.6613 -2.4901 -0.0864 37 1 3.9689 0.2435 1.2409 38 1 3.9392 -1.3328 2.0706 39 1 1.6803 -2.5158 2.7323 40 1 1.0057 -2.5679 4.3787 41 1 2.0463 -4.4475 3.7835 42 1 0.1880 0.8613 4.4630 43 1 0.2679 -0.6457 5.4069 44 1 2.6362 -0.1694 5.9665 45 1 2.5562 1.3375 5.0226 46 1 1.3321 3.2286 5.8840 47 1 -0.1296 2.2269 5.7081 48 1 -0.6400 2.5057 8.1000 49 1 -0.4555 4.1023 7.3333 50 1 1.2228 1.6704 9.4814 51 1 2.6638 2.7029 9.6470 52 1 3.0335 0.8084 8.0540 53 1 3.1903 2.3950 7.2614 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 ZINC000190804358.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:07:34 Heat of formation + Delta-G solvation = -132.808575 kcal Electronic energy + Delta-G solvation = -32364.037774 eV Core-core repulsion = 28235.316504 eV Total energy + Delta-G solvation = -4128.721271 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.11 seconds Orbital eigenvalues (eV) -40.21996 -39.47675 -38.27634 -36.12832 -35.03439 -33.36455 -32.82818 -32.46036 -31.21362 -29.78123 -27.77615 -26.99166 -25.95436 -24.30562 -23.99819 -23.10427 -22.37484 -21.65188 -20.36514 -20.20985 -18.52187 -17.23060 -16.97390 -16.34518 -16.11972 -16.00351 -15.58210 -15.16419 -15.07768 -14.98752 -14.64485 -14.55897 -14.18780 -13.93857 -13.83555 -13.49722 -13.20231 -12.92381 -12.67094 -12.45162 -12.30407 -12.25926 -12.06057 -11.97818 -11.85035 -11.60076 -11.39894 -11.30084 -11.25778 -10.93730 -10.83991 -10.73066 -10.60434 -10.57053 -10.30300 -10.23619 -10.02321 -9.72023 -9.34928 -9.27249 -8.97667 -8.55516 -8.29063 -7.81646 -6.57306 -4.33254 3.16138 3.31518 3.32395 3.45317 3.52997 3.80370 3.95295 4.16108 4.35129 4.88184 4.92036 5.02915 5.04498 5.06825 5.13406 5.14851 5.17539 5.20077 5.27241 5.32952 5.44346 5.51993 5.53668 5.56371 5.60512 5.66891 5.70509 5.73129 5.82402 5.84245 5.93542 5.95914 5.98198 6.01865 6.08189 6.13361 6.22615 6.26865 6.36516 6.40894 6.48795 6.59655 6.70675 6.82759 7.02824 7.04293 7.14049 7.34214 7.41149 7.78065 8.02068 8.31054 8.58886 8.80228 9.36657 10.78381 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.008801 B = 0.004337 C = 0.003202 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3180.573222 B = 6455.121492 C = 8743.423083 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.143 4.143 2 C 0.105 3.895 3 H 0.066 0.934 4 O -0.381 6.381 5 C 0.061 3.939 6 C -0.151 4.151 7 C -0.115 4.115 8 C -0.129 4.129 9 H 0.101 0.899 10 C 0.528 3.472 11 O -0.572 6.572 12 N -0.588 5.588 13 C 0.224 3.776 14 C -0.611 4.611 15 H 0.057 0.943 16 C 0.027 3.973 17 N -0.903 5.903 18 Si 1.068 2.932 19 H -0.289 1.289 20 H -0.285 1.285 21 H -0.285 1.285 22 C 0.132 3.868 23 C 0.044 3.956 24 N -0.534 5.534 25 C 0.015 3.985 26 C 0.065 3.935 27 O -0.390 6.390 28 C 0.065 3.935 29 C 0.019 3.981 30 H 0.073 0.927 31 H 0.060 0.940 32 H 0.060 0.940 33 H 0.046 0.954 34 H 0.090 0.910 35 H 0.073 0.927 36 H 0.075 0.925 37 H 0.057 0.943 38 H 0.102 0.898 39 H 0.033 0.967 40 H 0.024 0.976 41 H 0.270 0.730 42 H 0.067 0.933 43 H 0.078 0.922 44 H 0.095 0.905 45 H 0.034 0.966 46 H 0.041 0.959 47 H 0.087 0.913 48 H 0.058 0.942 49 H 0.095 0.905 50 H 0.059 0.941 51 H 0.095 0.905 52 H 0.088 0.912 53 H 0.040 0.960 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -2.298 9.322 -0.406 9.610 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 -0.200 4.200 2 C 0.047 3.953 3 H 0.084 0.916 4 O -0.300 6.300 5 C -0.016 4.016 6 C -0.189 4.189 7 C -0.153 4.153 8 C -0.151 4.151 9 H 0.119 0.881 10 C 0.316 3.684 11 O -0.453 6.453 12 N -0.318 5.318 13 C 0.104 3.896 14 C -0.649 4.649 15 H 0.075 0.925 16 C -0.179 4.179 17 N -0.538 5.538 18 Si 0.896 3.104 19 H -0.215 1.215 20 H -0.212 1.212 21 H -0.211 1.211 22 C 0.008 3.992 23 C -0.084 4.084 24 N -0.260 5.260 25 C -0.113 4.113 26 C -0.012 4.012 27 O -0.308 6.308 28 C -0.012 4.012 29 C -0.110 4.110 30 H 0.092 0.908 31 H 0.079 0.921 32 H 0.079 0.921 33 H 0.065 0.935 34 H 0.108 0.892 35 H 0.092 0.908 36 H 0.093 0.907 37 H 0.076 0.924 38 H 0.121 0.879 39 H 0.051 0.949 40 H 0.042 0.958 41 H 0.080 0.920 42 H 0.086 0.914 43 H 0.096 0.904 44 H 0.113 0.887 45 H 0.052 0.948 46 H 0.060 0.940 47 H 0.106 0.894 48 H 0.077 0.923 49 H 0.113 0.887 50 H 0.078 0.922 51 H 0.113 0.887 52 H 0.106 0.894 53 H 0.058 0.942 Dipole moment (debyes) X Y Z Total from point charges -1.681 8.569 0.186 8.735 hybrid contribution -0.245 1.267 -0.667 1.453 sum -1.926 9.837 -0.481 10.035 Atomic orbital electron populations 1.21775 0.93238 1.02501 1.02530 1.21854 0.94878 0.94974 0.83607 0.91613 1.87892 1.21025 1.78377 1.42716 1.22578 0.81233 0.99363 0.98423 1.22155 1.00929 1.00858 0.94956 1.21602 0.92572 1.01312 0.99770 1.21886 0.98494 1.01500 0.93197 0.88112 1.20248 0.76522 0.87034 0.84594 1.90589 1.53988 1.14848 1.85854 1.48026 1.61517 1.12545 1.09742 1.19621 0.96922 0.75452 0.97609 1.22273 1.00280 0.95137 1.47254 0.92507 1.25720 1.04993 0.91868 0.95317 1.70762 1.12305 1.31179 1.39556 0.83542 0.74625 0.75367 0.76860 1.21502 1.21159 1.21134 1.21143 0.94857 0.96556 0.86618 1.22580 0.97615 0.98108 0.90111 1.62187 1.24872 1.23355 1.15561 1.22824 0.98965 0.91932 0.97626 1.22668 0.89508 0.99985 0.89039 1.87947 1.47036 1.32767 1.63075 1.22657 0.95139 0.88140 0.95227 1.22754 0.93554 1.00416 0.94263 0.90795 0.92059 0.92127 0.93549 0.89178 0.90824 0.90678 0.92392 0.87911 0.94896 0.95804 0.91990 0.91439 0.90395 0.88674 0.94793 0.94047 0.89443 0.92325 0.88738 0.92241 0.88674 0.89367 0.94205 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 -0.14 -2.17 9.33 37.16 0.35 -1.82 16 2 C 0.10 1.74 2.44 -26.68 -0.07 1.67 16 3 H 0.07 1.14 7.77 -51.93 -0.40 0.73 16 4 O -0.38 -6.14 10.41 -35.23 -0.37 -6.50 16 5 C 0.06 0.83 6.84 37.20 0.25 1.08 16 6 C -0.15 -2.25 6.14 -26.59 -0.16 -2.41 16 7 C -0.11 -2.02 5.29 -26.55 -0.14 -2.16 16 8 C -0.13 -2.35 1.52 -91.63 -0.14 -2.49 16 9 H 0.10 1.93 6.01 -51.93 -0.31 1.62 16 10 C 0.53 10.47 5.87 -10.98 -0.06 10.40 16 11 O -0.57 -12.16 15.05 5.56 0.08 -12.07 16 12 N -0.59 -11.76 2.46 -175.06 -0.43 -12.19 16 13 C 0.22 4.96 4.42 -5.19 -0.02 4.94 16 14 C -0.61 -14.77 7.16 -34.44 -0.25 -15.02 16 15 H 0.06 1.42 6.92 -52.48 -0.36 1.06 16 16 C 0.03 0.68 5.46 -17.82 -0.10 0.58 16 17 N -0.90 -24.48 13.65 55.43 0.76 -23.72 16 18 Si 1.07 23.17 29.90 -169.99 -5.08 18.09 16 19 H -0.29 -6.03 7.11 56.52 0.40 -5.63 16 20 H -0.29 -6.17 7.11 56.52 0.40 -5.77 16 21 H -0.29 -6.13 7.11 56.52 0.40 -5.73 16 22 C 0.13 2.39 5.34 -4.04 -0.02 2.37 16 23 C 0.04 0.78 5.09 -3.82 -0.02 0.76 16 24 N -0.53 -8.14 4.73 -234.32 -1.11 -9.25 16 25 C 0.01 0.21 5.44 -3.71 -0.02 0.19 16 26 C 0.07 0.77 7.01 37.21 0.26 1.03 16 27 O -0.39 -5.21 10.83 -35.23 -0.38 -5.60 16 28 C 0.07 0.77 7.01 37.20 0.26 1.03 16 29 C 0.02 0.25 5.64 -3.72 -0.02 0.23 16 30 H 0.07 1.18 6.81 -51.93 -0.35 0.82 16 31 H 0.06 0.82 8.14 -51.93 -0.42 0.40 16 32 H 0.06 0.89 8.14 -51.93 -0.42 0.47 16 33 H 0.05 0.59 8.14 -51.93 -0.42 0.17 16 34 H 0.09 1.03 8.14 -51.93 -0.42 0.61 16 35 H 0.07 0.96 8.14 -51.93 -0.42 0.54 16 36 H 0.07 1.19 8.14 -51.93 -0.42 0.76 16 37 H 0.06 1.01 8.14 -51.93 -0.42 0.58 16 38 H 0.10 2.08 6.43 -51.93 -0.33 1.75 16 39 H 0.03 0.75 5.45 -51.93 -0.28 0.47 16 40 H 0.02 0.56 7.83 -51.93 -0.41 0.15 16 41 H 0.27 7.23 7.22 -40.82 -0.29 6.94 16 42 H 0.07 1.19 5.88 -51.93 -0.31 0.89 16 43 H 0.08 1.39 7.94 -51.93 -0.41 0.98 16 44 H 0.09 1.88 6.62 -51.93 -0.34 1.54 16 45 H 0.03 0.66 8.12 -51.93 -0.42 0.24 16 46 H 0.04 0.62 8.14 -51.93 -0.42 0.20 16 47 H 0.09 1.18 6.38 -51.93 -0.33 0.85 16 48 H 0.06 0.66 8.14 -51.92 -0.42 0.24 16 49 H 0.09 0.94 8.14 -51.93 -0.42 0.51 16 50 H 0.06 0.68 8.14 -51.93 -0.42 0.26 16 51 H 0.10 0.93 8.14 -51.93 -0.42 0.50 16 52 H 0.09 1.17 8.09 -51.93 -0.42 0.75 16 53 H 0.04 0.57 8.14 -51.93 -0.42 0.15 16 LS Contribution 401.64 15.07 6.05 6.05 Total: -1.00 -28.09 401.64 -9.65 -37.74 By element: Atomic # 1 Polarization: 16.31 SS G_CDS: -9.28 Total: 7.04 kcal Atomic # 6 Polarization: 0.31 SS G_CDS: 0.10 Total: 0.41 kcal Atomic # 7 Polarization: -44.38 SS G_CDS: -0.78 Total: -45.16 kcal Atomic # 8 Polarization: -23.51 SS G_CDS: -0.66 Total: -24.17 kcal Atomic # 14 Polarization: 23.17 SS G_CDS: -5.08 Total: 18.09 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -28.09 -9.65 -37.74 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. ZINC000190804358.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 -95.066 kcal (2) G-P(sol) polarization free energy of solvation -28.091 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -123.157 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.651 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -37.742 kcal (6) G-S(sol) free energy of system = (1) + (5) -132.809 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.11 seconds