Wall clock time and date at job start Sat Apr 11 2020 06:09:55 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 1.53002 * 1 3 3 H 1.09003 * 109.50239 * 2 1 4 4 C 1.53094 * 109.50302 * 120.08342 * 2 1 3 5 5 N 1.47017 * 109.25368 * 176.78487 * 4 2 1 6 6 C 1.46900 * 110.99757 * 177.61202 * 5 4 2 7 7 C 1.52999 * 109.47189 * 170.00092 * 6 5 4 8 8 O 1.42900 * 109.47452 * 64.99579 * 7 6 5 9 9 C 1.42897 * 114.00288 * 180.02562 * 8 7 6 10 10 C 1.53034 * 109.46151 * 270.02683 * 9 8 7 11 11 C 1.53191 * 109.31403 * 178.60152 * 10 9 8 12 12 N 1.46928 * 108.76617 * 54.65677 * 11 10 9 13 13 C 1.34779 * 120.63005 * 126.40643 * 12 11 10 14 14 O 1.21684 * 119.99666 * 174.73422 * 13 12 11 15 15 C 1.46376 * 119.99932 * 354.72972 * 13 12 11 16 16 H 1.07997 * 120.00187 * 5.57224 * 15 13 12 17 17 C 1.40050 * 119.99725 * 185.56659 * 15 13 12 18 18 N 1.30673 * 119.99947 * 0.02562 * 17 15 13 19 19 Si 1.86801 * 119.99831 * 179.97438 * 17 15 13 20 20 H 1.48505 * 109.46951 * 90.00352 * 19 17 15 21 21 H 1.48497 * 109.47190 * 209.99941 * 19 17 15 22 22 H 1.48500 * 109.47113 * 330.00387 * 19 17 15 23 23 C 1.46924 * 118.73722 * 306.38265 * 12 11 10 24 24 C 1.53046 * 109.45865 * 149.97321 * 9 8 7 25 25 C 1.47013 * 110.75529 * 301.38407 * 5 4 2 26 26 C 1.53102 * 109.25606 * 58.61698 * 25 5 4 27 27 H 1.09002 * 109.50755 * 183.17821 * 26 25 5 28 28 C 1.52997 * 109.50812 * 63.08752 * 26 25 5 29 29 O 1.43013 * 109.50467 * 239.87022 * 2 1 3 30 30 H 1.09004 * 109.47289 * 299.91576 * 1 2 3 31 31 H 1.08997 * 109.47410 * 179.91347 * 1 2 3 32 32 H 1.09002 * 109.47114 * 59.91490 * 1 2 3 33 33 H 1.09000 * 109.50999 * 296.71785 * 4 2 1 34 34 H 1.08994 * 109.50998 * 56.85467 * 4 2 1 35 35 H 1.08997 * 109.47160 * 289.99646 * 6 5 4 36 36 H 1.08999 * 109.47467 * 49.99572 * 6 5 4 37 37 H 1.09003 * 109.47463 * 184.99891 * 7 6 5 38 38 H 1.09002 * 109.47062 * 304.99938 * 7 6 5 39 39 H 1.09003 * 109.46156 * 29.99969 * 9 8 7 40 40 H 1.09003 * 109.50148 * 298.56384 * 10 9 8 41 41 H 1.09004 * 109.49733 * 58.66392 * 10 9 8 42 42 H 1.09006 * 109.59853 * 294.86606 * 11 10 9 43 43 H 1.09002 * 109.70269 * 174.50600 * 11 10 9 44 44 H 0.97002 * 119.99589 * 180.02562 * 18 17 15 45 45 H 1.08997 * 109.58834 * 293.82501 * 23 12 11 46 46 H 1.09003 * 109.58573 * 173.39424 * 23 12 11 47 47 H 1.08996 * 109.49622 * 301.33434 * 24 9 8 48 48 H 1.08994 * 109.49600 * 61.43958 * 24 9 8 49 49 H 1.08995 * 109.50928 * 178.55042 * 25 5 4 50 50 H 1.08999 * 109.50731 * 298.64499 * 25 5 4 51 51 H 1.08998 * 109.47171 * 59.99648 * 28 26 25 52 52 H 1.08991 * 109.47579 * 179.97438 * 28 26 25 53 53 H 1.09000 * 109.46910 * 300.00198 * 28 26 25 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 1.8939 1.0275 0.0000 4 6 2.0411 -0.7234 1.2487 5 7 3.5092 -0.7879 1.2048 6 6 4.0445 -1.4259 2.4149 7 6 5.5380 -1.7010 2.2284 8 8 6.2398 -0.4616 2.1123 9 6 7.6501 -0.6068 1.9332 10 6 8.3379 -0.6299 3.3001 11 6 9.8454 -0.8207 3.1055 12 7 10.3409 0.2237 2.1986 13 6 11.3737 1.0117 2.5577 14 8 11.8368 1.8077 1.7624 15 6 11.9382 0.9098 3.9044 16 1 11.5883 0.1433 4.5801 17 6 12.9320 1.8063 4.3167 18 7 13.3550 2.7339 3.4993 19 14 13.6519 1.6768 6.0356 20 1 14.8279 0.7703 6.0126 21 1 14.0738 3.0233 6.4982 22 1 12.6263 1.1338 6.9621 23 6 9.6893 0.3925 0.8926 24 6 8.1835 0.5694 1.1120 25 6 3.9640 -1.4883 -0.0051 26 6 3.4335 -0.7572 -1.2413 27 1 3.7207 -1.3046 -2.1391 28 6 4.0229 0.6537 -1.2925 29 8 2.0075 -0.6767 -1.1659 30 1 -0.3634 0.5125 0.8908 31 1 -0.3634 -1.0276 -0.0016 32 1 -0.3633 0.5152 -0.8892 33 1 1.7272 -0.1786 2.1391 34 1 1.6332 -1.7337 1.2767 35 1 3.9010 -0.7636 3.2686 36 1 3.5213 -2.3655 2.5921 37 1 5.9160 -2.2534 3.0886 38 1 5.6887 -2.2899 1.3236 39 1 7.8553 -1.5394 1.4076 40 1 8.1540 0.3125 3.8160 41 1 7.9408 -1.4537 3.8933 42 1 10.0368 -1.8022 2.6717 43 1 10.3531 -0.7408 4.0668 44 1 14.0436 3.3546 3.7848 45 1 9.8678 -0.4900 0.2784 46 1 10.0921 1.2745 0.3946 47 1 7.6764 0.5994 0.1477 48 1 8.0009 1.5003 1.6488 49 1 5.0535 -1.5019 -0.0300 50 1 3.5872 -2.5111 0.0031 51 1 5.1098 0.5917 -1.3460 52 1 3.6453 1.1735 -2.1729 53 1 3.7340 1.2010 -0.3952 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 ZINC000357605349.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 06:09:55 Heat of formation + Delta-G solvation = -119.465332 kcal Electronic energy + Delta-G solvation = -31162.290607 eV Core-core repulsion = 27034.147943 eV Total energy + Delta-G solvation = -4128.142664 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.34327 -39.04903 -37.59174 -36.13863 -34.85468 -33.64899 -32.54851 -31.44370 -30.68139 -30.29775 -28.94727 -27.17716 -26.37929 -24.84465 -23.65786 -23.19545 -22.63762 -21.34848 -20.58067 -19.67326 -18.86920 -17.06899 -16.90280 -16.72548 -16.36929 -15.78639 -15.59716 -15.26111 -15.15048 -14.64762 -14.50952 -14.32327 -14.06076 -13.91342 -13.78968 -13.25334 -13.15106 -12.81313 -12.73312 -12.65992 -12.45931 -12.17908 -12.06964 -12.05056 -11.84816 -11.69449 -11.50832 -11.41026 -11.23716 -11.12848 -10.96624 -10.85415 -10.70414 -10.65860 -10.47162 -10.24918 -10.09918 -10.05862 -9.77439 -9.18814 -8.86659 -8.54901 -7.58985 -7.25620 -6.20757 -4.65554 3.12806 3.19753 3.22678 3.40957 3.53609 3.71538 4.07566 4.47524 4.53965 4.56642 4.58755 4.64865 4.79398 4.89491 4.92304 4.96236 5.08121 5.14030 5.16766 5.18608 5.20593 5.27448 5.31757 5.35527 5.42878 5.46423 5.51174 5.65974 5.66325 5.68080 5.72244 5.76123 5.80067 5.84519 5.89423 5.98003 6.13360 6.18700 6.22050 6.27999 6.46782 6.55292 6.57204 6.70813 6.71506 6.79275 6.99558 7.41231 7.45205 7.61232 8.12493 8.33810 9.01178 9.42006 10.56550 10.75067 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.023452 B = 0.002174 C = 0.002095 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1193.628524 B =12874.520063 C =13362.030502 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.144 4.144 2 C 0.086 3.914 3 H 0.071 0.929 4 C 0.024 3.976 5 N -0.522 5.522 6 C 0.059 3.941 7 C 0.058 3.942 8 O -0.366 6.366 9 C 0.094 3.906 10 C -0.153 4.153 11 C 0.124 3.876 12 N -0.643 5.643 13 C 0.560 3.440 14 O -0.578 6.578 15 C -0.544 4.544 16 H 0.073 0.927 17 C 0.087 3.913 18 N -0.768 5.768 19 Si 0.906 3.094 20 H -0.272 1.272 21 H -0.279 1.279 22 H -0.265 1.265 23 C 0.123 3.877 24 C -0.123 4.123 25 C 0.019 3.981 26 C 0.091 3.909 27 H 0.103 0.897 28 C -0.174 4.174 29 O -0.380 6.380 30 H 0.071 0.929 31 H 0.060 0.940 32 H 0.065 0.935 33 H 0.084 0.916 34 H 0.039 0.961 35 H 0.087 0.913 36 H 0.046 0.954 37 H 0.052 0.948 38 H 0.048 0.952 39 H 0.052 0.948 40 H 0.074 0.926 41 H 0.059 0.941 42 H 0.039 0.961 43 H 0.096 0.904 44 H 0.268 0.732 45 H 0.040 0.960 46 H 0.088 0.912 47 H 0.066 0.934 48 H 0.071 0.929 49 H 0.094 0.906 50 H 0.037 0.963 51 H 0.067 0.933 52 H 0.054 0.946 53 H 0.073 0.927 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -23.125 -10.180 -3.994 25.581 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 -0.202 4.202 2 C 0.028 3.972 3 H 0.089 0.911 4 C -0.104 4.104 5 N -0.247 5.247 6 C -0.069 4.069 7 C -0.019 4.019 8 O -0.285 6.285 9 C 0.037 3.963 10 C -0.192 4.192 11 C 0.000 4.000 12 N -0.382 5.382 13 C 0.366 3.634 14 O -0.460 6.460 15 C -0.581 4.581 16 H 0.091 0.909 17 C -0.132 4.132 18 N -0.396 5.396 19 Si 0.731 3.269 20 H -0.197 1.197 21 H -0.204 1.204 22 H -0.189 1.189 23 C -0.001 4.001 24 C -0.162 4.162 25 C -0.109 4.109 26 C 0.034 3.966 27 H 0.120 0.880 28 C -0.231 4.231 29 O -0.300 6.300 30 H 0.090 0.910 31 H 0.079 0.921 32 H 0.084 0.916 33 H 0.102 0.898 34 H 0.057 0.943 35 H 0.105 0.895 36 H 0.064 0.936 37 H 0.070 0.930 38 H 0.066 0.934 39 H 0.070 0.930 40 H 0.093 0.907 41 H 0.078 0.922 42 H 0.058 0.942 43 H 0.114 0.886 44 H 0.079 0.921 45 H 0.059 0.941 46 H 0.106 0.894 47 H 0.084 0.916 48 H 0.090 0.910 49 H 0.112 0.888 50 H 0.055 0.945 51 H 0.086 0.914 52 H 0.074 0.926 53 H 0.092 0.908 Dipole moment (debyes) X Y Z Total from point charges -22.749 -8.975 -4.615 24.887 hybrid contribution 0.286 -1.245 1.238 1.779 sum -22.463 -10.220 -3.376 24.909 Atomic orbital electron populations 1.21747 0.93008 1.02764 1.02651 1.22136 0.94474 0.96267 0.84335 0.91076 1.22831 0.88064 0.99979 0.99540 1.62173 1.08070 1.52720 1.01762 1.22179 0.93331 0.97869 0.93517 1.22599 0.91622 0.87759 0.99930 1.88045 1.18939 1.27818 1.93712 1.22113 0.80041 0.98374 0.95785 1.22449 0.97032 1.02600 0.97136 1.21381 0.91924 0.90405 0.96329 1.48221 1.36348 1.37761 1.15838 1.18244 0.77653 0.78945 0.88565 1.90589 1.61831 1.39842 1.53766 1.20968 1.22157 1.17209 0.97769 0.90932 1.25732 0.95351 0.94002 0.98163 1.70014 1.22358 1.12523 1.34731 0.86397 0.79685 0.78125 0.82719 1.19724 1.20439 1.18893 1.21107 0.89947 1.01434 0.87601 1.21982 0.96518 0.98321 0.99395 1.22897 1.01899 0.95400 0.90659 1.22254 0.80444 0.96828 0.97116 0.87963 1.22254 1.01676 0.96572 1.02603 1.88016 1.21053 1.78089 1.42811 0.90984 0.92057 0.91580 0.89751 0.94280 0.89466 0.93645 0.93007 0.93355 0.93001 0.90743 0.92191 0.94238 0.88558 0.92077 0.94150 0.89351 0.91581 0.91007 0.88809 0.94513 0.91376 0.92644 0.90822 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 -0.98 9.57 37.16 0.36 -0.62 16 2 C 0.09 0.76 3.02 -26.68 -0.08 0.68 16 3 H 0.07 0.68 6.49 -51.93 -0.34 0.34 16 4 C 0.02 0.21 4.91 -3.71 -0.02 0.19 16 5 N -0.52 -5.24 4.19 -234.31 -0.98 -6.23 16 6 C 0.06 0.55 5.66 -3.82 -0.02 0.53 16 7 C 0.06 0.61 5.24 37.16 0.19 0.80 16 8 O -0.37 -5.04 9.93 -35.23 -0.35 -5.39 16 9 C 0.09 1.37 2.57 -26.69 -0.07 1.30 16 10 C -0.15 -2.39 5.69 -26.61 -0.15 -2.54 16 11 C 0.12 2.28 6.35 -3.71 -0.02 2.26 16 12 N -0.64 -14.57 2.97 -174.42 -0.52 -15.09 16 13 C 0.56 15.92 7.61 -12.99 -0.10 15.82 16 14 O -0.58 -18.71 14.48 5.20 0.08 -18.64 16 15 C -0.54 -15.16 8.88 -35.63 -0.32 -15.48 16 16 H 0.07 1.83 5.64 -52.49 -0.30 1.54 16 17 C 0.09 2.42 5.50 -17.37 -0.10 2.32 16 18 N -0.77 -22.94 11.84 55.55 0.66 -22.29 16 19 Si 0.91 19.96 29.56 -169.99 -5.02 14.94 16 20 H -0.27 -5.86 7.11 56.52 0.40 -5.46 16 21 H -0.28 -6.05 7.11 56.52 0.40 -5.64 16 22 H -0.26 -5.61 7.11 56.52 0.40 -5.21 16 23 C 0.12 2.41 6.42 -3.71 -0.02 2.38 16 24 C -0.12 -2.02 5.73 -26.60 -0.15 -2.17 16 25 C 0.02 0.19 4.36 -3.71 -0.02 0.17 16 26 C 0.09 0.88 3.92 -26.68 -0.10 0.77 16 27 H 0.10 0.85 8.14 -51.93 -0.42 0.43 16 28 C -0.17 -1.73 8.89 37.16 0.33 -1.40 16 29 O -0.38 -4.03 10.28 -35.23 -0.36 -4.39 16 30 H 0.07 0.38 8.14 -51.93 -0.42 -0.05 16 31 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 32 H 0.07 0.44 8.14 -51.93 -0.42 0.02 16 33 H 0.08 0.65 8.14 -51.93 -0.42 0.23 16 34 H 0.04 0.34 8.14 -51.93 -0.42 -0.09 16 35 H 0.09 0.85 8.14 -51.93 -0.42 0.43 16 36 H 0.05 0.36 8.08 -51.93 -0.42 -0.06 16 37 H 0.05 0.50 7.84 -51.93 -0.41 0.09 16 38 H 0.05 0.47 5.89 -51.93 -0.31 0.16 16 39 H 0.05 0.69 7.79 -51.93 -0.40 0.29 16 40 H 0.07 1.31 8.14 -51.93 -0.42 0.89 16 41 H 0.06 0.79 7.84 -51.93 -0.41 0.38 16 42 H 0.04 0.65 8.14 -51.93 -0.42 0.23 16 43 H 0.10 1.87 5.30 -51.93 -0.28 1.59 16 44 H 0.27 7.28 8.29 -40.82 -0.34 6.94 16 45 H 0.04 0.71 8.14 -51.93 -0.42 0.29 16 46 H 0.09 1.94 7.04 -51.93 -0.37 1.58 16 47 H 0.07 0.95 8.14 -51.93 -0.42 0.53 16 48 H 0.07 1.32 8.14 -51.93 -0.42 0.90 16 49 H 0.09 0.94 5.94 -51.93 -0.31 0.63 16 50 H 0.04 0.34 8.14 -51.93 -0.42 -0.08 16 51 H 0.07 0.69 8.14 -51.93 -0.42 0.27 16 52 H 0.05 0.52 8.14 -51.93 -0.42 0.10 16 53 H 0.07 0.83 6.12 -51.93 -0.32 0.51 16 LS Contribution 403.30 15.07 6.08 6.08 Total: -1.00 -34.15 403.30 -10.04 -44.19 By element: Atomic # 1 Polarization: 11.11 SS G_CDS: -9.32 Total: 1.79 kcal Atomic # 6 Polarization: 5.32 SS G_CDS: -0.29 Total: 5.03 kcal Atomic # 7 Polarization: -42.76 SS G_CDS: -0.84 Total: -43.60 kcal Atomic # 8 Polarization: -27.78 SS G_CDS: -0.64 Total: -28.42 kcal Atomic # 14 Polarization: 19.96 SS G_CDS: -5.02 Total: 14.94 kcal Total LS contribution 6.08 Total: 6.08 kcal Total: -34.15 -10.04 -44.19 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. ZINC000357605349.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 -75.272 kcal (2) G-P(sol) polarization free energy of solvation -34.155 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -109.427 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.039 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.193 kcal (6) G-S(sol) free energy of system = (1) + (5) -119.465 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds