Wall clock time and date at job start Sat Apr 11 2020 06:12:42 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 1.53008 * 1 3 3 O 1.45199 * 109.46635 * 2 1 4 4 C 1.34230 * 116.99560 * 180.02562 * 3 2 1 5 5 O 1.20826 * 120.00315 * 359.97438 * 4 3 2 6 6 C 1.50700 * 119.99890 * 179.97438 * 4 3 2 7 7 C 1.53002 * 110.88671 * 183.10502 * 6 4 3 8 8 C 1.52996 * 109.47544 * 297.64530 * 7 6 4 9 9 C 1.52999 * 109.46959 * 57.64191 * 7 6 4 10 10 C 1.54626 * 110.97076 * 59.29715 * 6 4 3 11 11 C 1.51277 * 104.19649 * 217.08402 * 10 6 4 12 12 O 1.21289 * 124.94323 * 196.23392 * 11 10 6 13 13 N 1.34416 * 110.11950 * 16.24928 * 11 10 6 14 14 C 1.46498 * 124.35634 * 180.40584 * 13 11 10 15 15 N 1.46897 * 109.47005 * 90.02454 * 14 13 11 16 16 C 1.46907 * 110.99854 * 81.05037 * 15 14 13 17 17 C 1.46904 * 111.00307 * 205.00342 * 15 14 13 18 18 H 1.08995 * 109.46715 * 55.00276 * 17 15 14 19 19 C 1.52999 * 109.46652 * 295.00091 * 17 15 14 20 20 C 1.50697 * 109.46891 * 175.00274 * 17 15 14 21 21 H 1.08002 * 120.00599 * 0.02562 * 20 17 15 22 22 C 1.37880 * 119.99675 * 179.97438 * 20 17 15 23 23 N 1.31517 * 120.00210 * 179.97438 * 22 20 17 24 24 Si 1.86800 * 120.00019 * 0.02562 * 22 20 17 25 25 H 1.48503 * 109.46845 * 269.99914 * 24 22 20 26 26 H 1.48503 * 109.47399 * 29.99403 * 24 22 20 27 27 H 1.48498 * 109.47295 * 150.00010 * 24 22 20 28 28 C 1.46769 * 111.29485 * 0.67473 * 13 11 10 29 29 H 1.08999 * 109.47147 * 60.00368 * 1 2 3 30 30 H 1.08997 * 109.46805 * 179.97438 * 1 2 3 31 31 H 1.08999 * 109.46873 * 299.99939 * 1 2 3 32 32 H 1.08990 * 109.47067 * 239.99882 * 2 1 3 33 33 H 1.08999 * 109.47147 * 119.99632 * 2 1 3 34 34 H 1.08997 * 109.47264 * 177.64183 * 7 6 4 35 35 H 1.08996 * 109.47935 * 179.97438 * 8 7 6 36 36 H 1.09004 * 109.46721 * 300.00380 * 8 7 6 37 37 H 1.09007 * 109.47116 * 59.99392 * 8 7 6 38 38 H 1.09003 * 109.47028 * 60.00115 * 9 7 6 39 39 H 1.09002 * 109.47158 * 179.97438 * 9 7 6 40 40 H 1.08999 * 109.47588 * 300.00324 * 9 7 6 41 41 H 1.09005 * 110.49001 * 98.40652 * 10 6 4 42 42 H 1.09001 * 110.60158 * 335.81627 * 10 6 4 43 43 H 1.08999 * 109.47003 * 330.03152 * 14 13 11 44 44 H 1.08995 * 109.47597 * 210.02847 * 14 13 11 45 45 H 1.08997 * 109.47020 * 183.95925 * 16 15 14 46 46 H 1.09005 * 109.46994 * 303.95152 * 16 15 14 47 47 H 1.08998 * 109.47008 * 63.95000 * 16 15 14 48 48 H 1.09000 * 109.47280 * 299.99623 * 19 17 15 49 49 H 1.08998 * 109.47206 * 60.00029 * 19 17 15 50 50 H 1.09006 * 109.46667 * 180.02562 * 19 17 15 51 51 H 0.96998 * 119.99640 * 180.02562 * 23 22 20 52 52 H 1.09006 * 110.24268 * 101.71674 * 28 13 11 53 53 H 1.08997 * 110.24529 * 223.71356 * 28 13 11 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 1.5301 0.0000 0.0000 3 8 2.0140 1.3690 0.0000 4 6 3.3447 1.5449 -0.0005 5 8 4.0808 0.5867 -0.0005 6 6 3.9206 2.9375 -0.0012 7 6 5.4481 2.8960 -0.0791 8 6 6.0030 2.1872 1.1580 9 6 5.8741 2.1354 -1.3365 10 6 3.4514 3.7310 1.2402 11 6 3.2509 5.1395 0.7262 12 8 3.1564 6.1269 1.4243 13 7 3.1925 5.1377 -0.6167 14 6 3.0137 6.3376 -1.4380 15 7 4.3279 6.9020 -1.7730 16 6 4.9352 6.1871 -2.9036 17 6 4.2273 8.3406 -2.0526 18 1 3.7575 8.8431 -1.2071 19 6 3.3818 8.5579 -3.3092 20 6 5.6064 8.9075 -2.2709 21 1 6.4712 8.2635 -2.2085 22 6 5.7642 10.2483 -2.5512 23 7 6.9678 10.7432 -2.7412 24 14 4.2685 11.3621 -2.6597 25 1 3.7676 11.3833 -4.0576 26 1 3.2037 10.8501 -1.7601 27 1 4.6451 12.7382 -2.2480 28 6 3.3246 3.7784 -1.1541 29 1 -0.3633 0.5138 -0.8900 30 1 -0.3633 -1.0277 -0.0005 31 1 -0.3633 0.5138 0.8900 32 1 1.8934 -0.5138 -0.8899 33 1 1.8934 -0.5138 0.8900 34 1 5.8376 3.9132 -0.1203 35 1 7.0911 2.1572 1.1023 36 1 5.6994 2.7290 2.0538 37 1 5.6134 1.1699 1.1993 38 1 5.4789 2.6404 -2.2179 39 1 6.9623 2.1062 -1.3923 40 1 5.4846 1.1182 -1.2954 41 1 4.2168 3.7133 2.0161 42 1 2.5135 3.3270 1.6216 43 1 2.4327 7.0743 -0.8833 44 1 2.4866 6.0749 -2.3552 45 1 5.9360 6.5786 -3.0856 46 1 4.9978 5.1242 -2.6701 47 1 4.3223 6.3280 -3.7939 48 1 3.8517 8.0554 -4.1546 49 1 2.3844 8.1478 -3.1513 50 1 3.3076 9.6254 -3.5169 51 1 7.0787 11.6865 -2.9380 52 1 2.3476 3.3900 -1.4419 53 1 3.9996 3.7751 -2.0099 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 ZINC000795423762.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 06:12:42 Heat of formation + Delta-G solvation = -94.656357 kcal Electronic energy + Delta-G solvation = -32407.610157 eV Core-core repulsion = 28280.543290 eV Total energy + Delta-G solvation = -4127.066866 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) -41.68627 -39.95510 -37.69657 -37.34912 -36.45749 -34.50563 -32.68926 -32.17483 -31.10410 -29.44794 -28.59007 -26.90031 -26.48444 -25.26765 -24.43164 -23.49944 -23.09593 -22.01254 -19.94717 -19.78617 -19.15073 -17.85566 -16.92114 -16.78954 -16.58818 -16.48718 -15.87996 -15.15942 -15.01994 -14.64703 -14.51205 -14.36163 -14.16166 -14.00522 -13.82358 -13.37106 -13.30295 -13.07103 -12.97483 -12.67306 -12.56781 -12.40542 -12.24392 -12.12461 -11.98812 -11.95211 -11.72255 -11.61939 -11.54954 -11.36457 -11.15820 -10.97089 -10.92241 -10.83588 -10.74566 -10.38867 -10.12079 -10.04154 -9.60282 -9.58344 -9.11795 -8.67364 -8.55252 -7.47010 -6.07102 -4.05542 1.79563 2.23680 2.76755 3.16043 3.24842 3.37414 3.38951 4.02864 4.08960 4.19238 4.39317 4.44338 4.53859 4.57847 4.70396 4.84483 4.86804 5.06096 5.13712 5.22203 5.25054 5.30809 5.31536 5.32564 5.34330 5.38036 5.50126 5.58147 5.65525 5.67617 5.74828 5.86781 5.90295 5.98164 6.00643 6.05890 6.08686 6.18315 6.22435 6.25471 6.43491 6.45130 6.58883 6.68427 6.83095 7.09875 7.29186 7.45465 7.58533 7.85158 7.99522 8.37405 8.63062 8.99469 9.54385 11.05873 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.017448 B = 0.003072 C = 0.002910 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1604.345174 B = 9113.140190 C = 9618.848742 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.154 4.154 2 C 0.062 3.938 3 O -0.355 6.355 4 C 0.482 3.518 5 O -0.489 6.489 6 C -0.059 4.059 7 C -0.071 4.071 8 C -0.159 4.159 9 C -0.160 4.160 10 C -0.146 4.146 11 C 0.529 3.471 12 O -0.517 6.517 13 N -0.603 5.603 14 C 0.288 3.712 15 N -0.535 5.535 16 C 0.032 3.968 17 C 0.187 3.813 18 H 0.043 0.957 19 C -0.188 4.188 20 C -0.502 4.502 21 H 0.082 0.918 22 C 0.071 3.929 23 N -0.899 5.899 24 Si 0.885 3.115 25 H -0.281 1.281 26 H -0.267 1.267 27 H -0.296 1.296 28 C 0.113 3.887 29 H 0.067 0.933 30 H 0.079 0.921 31 H 0.067 0.933 32 H 0.071 0.929 33 H 0.070 0.930 34 H 0.094 0.906 35 H 0.060 0.940 36 H 0.054 0.946 37 H 0.074 0.926 38 H 0.053 0.947 39 H 0.061 0.939 40 H 0.076 0.924 41 H 0.114 0.886 42 H 0.110 0.890 43 H 0.091 0.909 44 H 0.051 0.949 45 H 0.082 0.918 46 H 0.043 0.957 47 H 0.020 0.980 48 H 0.058 0.942 49 H 0.027 0.973 50 H 0.047 0.953 51 H 0.264 0.736 52 H 0.080 0.920 53 H 0.092 0.908 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -11.377 -23.441 3.414 26.279 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 -0.211 4.211 2 C -0.012 4.012 3 O -0.272 6.272 4 C 0.324 3.676 5 O -0.376 6.376 6 C -0.060 4.060 7 C -0.089 4.089 8 C -0.216 4.216 9 C -0.217 4.217 10 C -0.186 4.186 11 C 0.315 3.685 12 O -0.392 6.392 13 N -0.338 5.338 14 C 0.077 3.923 15 N -0.260 5.260 16 C -0.116 4.116 17 C 0.079 3.921 18 H 0.061 0.939 19 C -0.246 4.246 20 C -0.540 4.540 21 H 0.100 0.900 22 C -0.131 4.131 23 N -0.537 5.537 24 Si 0.716 3.284 25 H -0.208 1.208 26 H -0.192 1.192 27 H -0.224 1.224 28 C -0.011 4.011 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 0.089 0.911 34 H 0.113 0.887 35 H 0.079 0.921 36 H 0.073 0.927 37 H 0.093 0.907 38 H 0.072 0.928 39 H 0.080 0.920 40 H 0.095 0.905 41 H 0.132 0.868 42 H 0.128 0.872 43 H 0.109 0.891 44 H 0.069 0.931 45 H 0.101 0.899 46 H 0.062 0.938 47 H 0.039 0.961 48 H 0.076 0.924 49 H 0.046 0.954 50 H 0.065 0.935 51 H 0.074 0.926 52 H 0.098 0.902 53 H 0.110 0.890 Dipole moment (debyes) X Y Z Total from point charges -10.838 -23.043 4.112 25.794 hybrid contribution -1.183 0.638 -0.981 1.663 sum -12.020 -22.405 3.131 25.618 Atomic orbital electron populations 1.21817 0.92522 1.03004 1.03740 1.23056 0.95464 0.79980 1.02680 1.86517 1.24350 1.32548 1.83799 1.23136 0.80499 0.91604 0.72338 1.90579 1.59811 1.42826 1.44359 1.21591 0.97605 0.88713 0.98134 1.21004 0.88983 1.01773 0.97153 1.22082 1.01407 1.01757 0.96378 1.22104 1.01999 1.01559 0.96073 1.22584 1.04738 0.93943 0.97306 1.20440 0.75629 0.90028 0.82414 1.90760 1.49718 1.38064 1.60647 1.48381 1.72169 1.06596 1.06664 1.21805 0.91996 0.85244 0.93233 1.61837 1.20104 1.05087 1.38938 1.22383 1.01495 0.96373 0.91307 1.19760 0.97100 0.83016 0.92199 0.93875 1.22876 0.98215 1.01005 1.02547 1.20894 0.91180 0.94253 1.47682 0.89968 1.24902 0.95577 0.97775 0.94867 1.69874 1.21298 1.13894 1.48642 0.86903 0.83622 0.79801 0.78108 1.20795 1.19216 1.22361 1.22261 1.01282 0.81914 0.95672 0.91355 0.90218 0.91362 0.91094 0.91129 0.88742 0.92087 0.92740 0.90675 0.92822 0.92035 0.90545 0.86808 0.87193 0.89100 0.93090 0.89932 0.93803 0.96133 0.92352 0.95377 0.93455 0.92610 0.90172 0.89010 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 -0.15 -0.76 10.29 37.16 0.38 -0.38 16 2 C 0.06 0.42 6.19 37.16 0.23 0.65 16 3 O -0.36 -3.24 9.35 -39.26 -0.37 -3.60 16 4 C 0.48 4.88 6.13 36.01 0.22 5.10 16 5 O -0.49 -5.58 11.40 -18.75 -0.21 -5.79 16 6 C -0.06 -0.62 0.36 -153.94 -0.05 -0.67 16 7 C -0.07 -0.78 2.25 -90.62 -0.20 -0.98 16 8 C -0.16 -1.63 8.73 37.16 0.32 -1.31 16 9 C -0.16 -1.66 8.72 37.16 0.32 -1.34 16 10 C -0.15 -1.66 5.79 -26.75 -0.15 -1.81 16 11 C 0.53 8.37 8.02 -10.86 -0.09 8.28 16 12 O -0.52 -10.56 17.59 5.55 0.10 -10.46 16 13 N -0.60 -8.77 3.13 -175.80 -0.55 -9.32 16 14 C 0.29 4.81 4.76 -63.32 -0.30 4.50 16 15 N -0.53 -10.70 4.84 -240.20 -1.16 -11.87 16 16 C 0.03 0.57 8.74 60.07 0.53 1.10 16 17 C 0.19 4.35 1.87 -68.86 -0.13 4.22 16 18 H 0.04 1.09 6.99 -51.93 -0.36 0.72 16 19 C -0.19 -3.91 8.04 37.16 0.30 -3.61 16 20 C -0.50 -13.86 8.52 -34.44 -0.29 -14.16 16 21 H 0.08 2.48 6.99 -52.49 -0.37 2.11 16 22 C 0.07 2.02 5.45 -17.82 -0.10 1.92 16 23 N -0.90 -27.33 13.96 55.43 0.77 -26.55 16 24 Si 0.89 21.88 24.37 -169.99 -4.14 17.74 16 25 H -0.28 -6.71 6.87 56.52 0.39 -6.32 16 26 H -0.27 -6.39 6.53 56.52 0.37 -6.02 16 27 H -0.30 -7.40 7.11 56.52 0.40 -6.99 16 28 C 0.11 1.24 6.12 -3.03 -0.02 1.23 16 29 H 0.07 0.35 8.14 -51.93 -0.42 -0.08 16 30 H 0.08 0.26 8.14 -51.93 -0.42 -0.16 16 31 H 0.07 0.35 8.14 -51.93 -0.42 -0.07 16 32 H 0.07 0.47 8.13 -51.93 -0.42 0.05 16 33 H 0.07 0.47 8.13 -51.93 -0.42 0.04 16 34 H 0.09 1.23 8.14 -51.93 -0.42 0.80 16 35 H 0.06 0.60 8.14 -51.93 -0.42 0.18 16 36 H 0.05 0.53 6.22 -51.93 -0.32 0.21 16 37 H 0.07 0.81 5.73 -51.93 -0.30 0.51 16 38 H 0.05 0.53 6.48 -51.93 -0.34 0.20 16 39 H 0.06 0.62 8.14 -51.93 -0.42 0.19 16 40 H 0.08 0.83 5.56 -51.93 -0.29 0.54 16 41 H 0.11 1.23 5.95 -51.93 -0.31 0.92 16 42 H 0.11 1.08 7.66 -51.93 -0.40 0.68 16 43 H 0.09 1.65 7.50 -51.93 -0.39 1.26 16 44 H 0.05 0.74 7.56 -51.93 -0.39 0.35 16 45 H 0.08 1.68 6.53 -51.93 -0.34 1.34 16 46 H 0.04 0.65 5.74 -51.93 -0.30 0.35 16 47 H 0.02 0.34 6.27 -51.93 -0.33 0.02 16 48 H 0.06 1.17 6.39 -51.93 -0.33 0.84 16 49 H 0.03 0.49 7.13 -51.93 -0.37 0.12 16 50 H 0.05 1.05 3.27 -51.93 -0.17 0.88 16 51 H 0.26 7.56 8.31 -40.82 -0.34 7.22 16 52 H 0.08 0.77 7.46 -51.93 -0.39 0.38 16 53 H 0.09 0.99 4.12 -51.93 -0.21 0.78 16 LS Contribution 392.09 15.07 5.91 5.91 Total: -1.00 -32.99 392.09 -7.15 -40.14 By element: Atomic # 1 Polarization: 9.51 SS G_CDS: -8.46 Total: 1.05 kcal Atomic # 6 Polarization: 1.80 SS G_CDS: 0.97 Total: 2.76 kcal Atomic # 7 Polarization: -46.80 SS G_CDS: -0.94 Total: -47.74 kcal Atomic # 8 Polarization: -19.38 SS G_CDS: -0.48 Total: -19.86 kcal Atomic # 14 Polarization: 21.88 SS G_CDS: -4.14 Total: 17.74 kcal Total LS contribution 5.91 Total: 5.91 kcal Total: -32.99 -7.15 -40.14 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. ZINC000795423762.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 -54.513 kcal (2) G-P(sol) polarization free energy of solvation -32.991 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -87.504 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.153 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.144 kcal (6) G-S(sol) free energy of system = (1) + (5) -94.656 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds