Wall clock time and date at job start Sat Apr 11 2020 06:12:05 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 1.53003 * 1 3 3 C 1.50700 * 109.47083 * 2 1 4 4 N 1.30298 * 126.35070 * 78.23546 * 3 2 1 5 5 N 1.28524 * 110.05334 * 179.97438 * 4 3 2 6 6 C 1.31217 * 109.86582 * 359.97438 * 5 4 3 7 7 N 1.38573 * 126.47835 * 180.02562 * 6 5 4 8 8 C 1.46903 * 111.00478 * 107.30242 * 7 6 5 9 9 C 1.50703 * 109.46710 * 303.35990 * 8 7 6 10 10 H 1.08001 * 120.00370 * 4.64663 * 9 8 7 11 11 C 1.37881 * 119.99733 * 184.64508 * 9 8 7 12 12 N 1.31511 * 119.99788 * 359.97438 * 11 9 8 13 13 Si 1.86797 * 120.00022 * 179.97438 * 11 9 8 14 14 H 1.48497 * 109.46990 * 0.02562 * 13 11 9 15 15 H 1.48498 * 109.47244 * 119.99980 * 13 11 9 16 16 H 1.48502 * 109.46979 * 239.99990 * 13 11 9 17 17 C 1.46907 * 110.99627 * 343.34964 * 7 6 5 18 18 C 1.53006 * 109.46806 * 194.84924 * 17 7 6 19 19 O 1.42896 * 109.46897 * 62.82006 * 18 17 7 20 20 C 1.42898 * 113.99892 * 179.97438 * 19 18 17 21 21 N 1.36455 * 107.04948 * 0.02562 * 6 5 4 22 22 C 1.46506 * 127.13445 * 180.02562 * 21 6 5 23 23 C 1.52995 * 109.46928 * 277.39660 * 22 21 6 24 24 C 1.53002 * 109.47186 * 181.30032 * 23 22 21 25 25 C 1.53007 * 109.47179 * 301.29811 * 23 22 21 26 26 O 1.42897 * 109.47528 * 61.30089 * 23 22 21 27 27 C 1.42905 * 113.99833 * 180.02562 * 26 23 22 28 28 H 1.08993 * 109.47107 * 187.43814 * 1 2 3 29 29 H 1.09004 * 109.46572 * 307.43853 * 1 2 3 30 30 H 1.08997 * 109.46869 * 67.43493 * 1 2 3 31 31 H 1.08998 * 109.47279 * 240.00167 * 2 1 3 32 32 H 1.09001 * 109.47126 * 119.99881 * 2 1 3 33 33 H 1.08997 * 109.46702 * 63.35355 * 8 7 6 34 34 H 1.08991 * 109.47038 * 183.36122 * 8 7 6 35 35 H 0.96997 * 120.00073 * 179.97438 * 12 11 9 36 36 H 1.08994 * 109.46795 * 314.84874 * 17 7 6 37 37 H 1.08992 * 109.46939 * 74.85203 * 17 7 6 38 38 H 1.09004 * 109.46510 * 182.81547 * 18 17 7 39 39 H 1.08992 * 109.47160 * 302.81680 * 18 17 7 40 40 H 1.09002 * 109.47369 * 59.99989 * 20 19 18 41 41 H 1.09004 * 109.47341 * 179.97438 * 20 19 18 42 42 H 1.09003 * 109.47511 * 299.99950 * 20 19 18 43 43 H 1.09004 * 109.47050 * 37.39619 * 22 21 6 44 44 H 1.09001 * 109.47228 * 157.39396 * 22 21 6 45 45 H 1.09006 * 109.47096 * 59.99528 * 24 23 22 46 46 H 1.09001 * 109.47485 * 179.97438 * 24 23 22 47 47 H 1.08995 * 109.46940 * 300.00169 * 24 23 22 48 48 H 1.08994 * 109.46634 * 62.92801 * 25 23 22 49 49 H 1.08999 * 109.47025 * 182.93083 * 25 23 22 50 50 H 1.09007 * 109.46613 * 302.93172 * 25 23 22 51 51 H 1.09005 * 109.46692 * 179.97438 * 27 26 23 52 52 H 1.08996 * 109.47249 * 299.99250 * 27 26 23 53 53 H 1.08997 * 109.47617 * 60.00201 * 27 26 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 6 2.0323 1.4208 0.0000 4 7 2.0880 2.2203 1.0274 5 7 2.5691 3.3586 0.6744 6 6 2.8489 3.3463 -0.6075 7 7 3.3826 4.3916 -1.3443 8 6 4.7855 4.1285 -1.6917 9 6 5.5771 3.8832 -0.4330 10 1 5.0745 3.8447 0.5222 11 6 6.9431 3.7079 -0.5008 12 7 7.5549 3.7543 -1.6640 13 14 7.9244 3.4047 1.0594 14 1 7.0075 3.3979 2.2274 15 1 8.6131 2.0925 0.9638 16 1 8.9328 4.4819 1.2271 17 6 3.2484 5.6652 -0.6247 18 6 3.4971 6.8254 -1.5907 19 8 2.5015 6.8135 -2.6156 20 6 2.6427 7.8628 -3.5754 21 7 2.5151 2.1097 -1.0780 22 6 2.6473 1.6212 -2.4529 23 6 1.4434 2.0832 -3.2763 24 6 1.5653 1.5459 -4.7036 25 6 0.1568 1.5533 -2.6400 26 8 1.4067 3.5114 -3.3065 27 6 0.3136 4.0490 -4.0538 28 1 -0.3633 -1.0189 0.1330 29 1 -0.3632 0.6248 0.8160 30 1 -0.3633 0.3943 -0.9490 31 1 1.8934 -0.5138 -0.8900 32 1 1.8934 -0.5138 0.8900 33 1 4.8421 3.2493 -2.3336 34 1 5.1972 4.9897 -2.2178 35 1 8.5159 3.6314 -1.7117 36 1 2.2428 5.7451 -0.2120 37 1 3.9774 5.7037 0.1847 38 1 3.4469 7.7685 -1.0463 39 1 4.4837 6.7180 -2.0412 40 1 3.6117 7.7773 -4.0672 41 1 1.8499 7.7840 -4.3193 42 1 2.5746 8.8273 -3.0720 43 1 3.5623 2.0179 -2.8930 44 1 2.6885 0.5320 -2.4491 45 1 1.5933 0.4564 -4.6806 46 1 0.7073 1.8746 -5.2902 47 1 2.4818 1.9233 -5.1569 48 1 0.0436 1.9772 -1.6423 49 1 -0.6968 1.8384 -3.2550 50 1 0.2071 0.4667 -2.5695 51 1 0.3566 5.1379 -4.0279 52 1 0.3766 3.7070 -5.0868 53 1 -0.6262 3.7123 -3.6162 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 ZINC001411742307.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 06:12:05 Heat of formation + Delta-G solvation = 6.349607 kcal Electronic energy + Delta-G solvation = -33742.537586 eV Core-core repulsion = 29652.143418 eV Total energy + Delta-G solvation = -4090.394168 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -42.17992 -38.80878 -37.78553 -36.22590 -34.83003 -33.39792 -32.52238 -31.98805 -29.46410 -28.34657 -27.49168 -27.28609 -26.40822 -25.83827 -25.47755 -23.90620 -22.79698 -21.71515 -20.30972 -19.68816 -19.27199 -17.04081 -16.53455 -16.16632 -15.93439 -15.84041 -15.77361 -15.01014 -14.87384 -14.58779 -14.46485 -14.31798 -14.17374 -13.91714 -13.33220 -13.21092 -13.05910 -12.83076 -12.44352 -12.25640 -12.17228 -12.07547 -11.97262 -11.75349 -11.61737 -11.51126 -11.34174 -11.26104 -11.02596 -10.91178 -10.79252 -10.62878 -10.55089 -10.43225 -10.30251 -10.15044 -9.80937 -9.45203 -9.28845 -9.22811 -9.07573 -8.52782 -8.49154 -7.13609 -6.10592 -4.18326 2.65454 3.02045 3.26219 3.34720 3.45071 3.77194 3.95435 4.34565 4.40361 4.69564 4.71402 4.77211 4.86628 5.03265 5.12424 5.16473 5.22072 5.39476 5.41970 5.44608 5.52492 5.54131 5.59230 5.60161 5.65141 5.69876 5.76755 5.82743 5.84543 5.87872 5.89248 5.93322 5.93560 6.02568 6.06153 6.08598 6.16485 6.21126 6.31914 6.38004 6.61766 6.74344 6.89293 7.14237 7.38406 7.43952 7.54165 7.64940 7.83635 7.87812 8.11930 8.38583 8.93804 9.49667 9.69573 10.94680 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.008548 B = 0.005964 C = 0.004371 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3274.964692 B = 4694.061036 C = 6404.858851 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.163 4.163 2 C -0.025 4.025 3 C 0.145 3.855 4 N -0.288 5.288 5 N -0.348 5.348 6 C 0.435 3.565 7 N -0.440 5.440 8 C 0.194 3.806 9 C -0.553 4.553 10 H 0.071 0.929 11 C 0.069 3.931 12 N -0.891 5.891 13 Si 0.888 3.112 14 H -0.270 1.270 15 H -0.284 1.284 16 H -0.282 1.282 17 C 0.083 3.917 18 C 0.069 3.931 19 O -0.370 6.370 20 C 0.033 3.967 21 N -0.467 5.467 22 C 0.128 3.872 23 C 0.095 3.905 24 C -0.175 4.175 25 C -0.183 4.183 26 O -0.332 6.332 27 C 0.032 3.968 28 H 0.058 0.942 29 H 0.062 0.938 30 H 0.069 0.931 31 H 0.071 0.929 32 H 0.089 0.911 33 H 0.028 0.972 34 H 0.049 0.951 35 H 0.262 0.738 36 H 0.070 0.930 37 H 0.075 0.925 38 H 0.045 0.955 39 H 0.058 0.942 40 H 0.036 0.964 41 H 0.075 0.925 42 H 0.030 0.970 43 H 0.107 0.893 44 H 0.096 0.904 45 H 0.065 0.935 46 H 0.063 0.937 47 H 0.070 0.930 48 H 0.072 0.928 49 H 0.059 0.941 50 H 0.068 0.932 51 H 0.086 0.914 52 H 0.034 0.966 53 H 0.031 0.969 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.930 -3.185 -7.834 16.296 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 -0.221 4.221 2 C -0.065 4.065 3 C -0.123 4.123 4 N -0.128 5.128 5 N -0.192 5.192 6 C 0.079 3.921 7 N -0.162 5.162 8 C 0.070 3.930 9 C -0.592 4.592 10 H 0.089 0.911 11 C -0.134 4.134 12 N -0.530 5.530 13 Si 0.716 3.284 14 H -0.194 1.194 15 H -0.210 1.210 16 H -0.208 1.208 17 C -0.045 4.045 18 C -0.008 4.008 19 O -0.288 6.288 20 C -0.064 4.064 21 N -0.162 5.162 22 C 0.004 3.996 23 C 0.054 3.946 24 C -0.233 4.233 25 C -0.240 4.240 26 O -0.249 6.249 27 C -0.065 4.065 28 H 0.078 0.922 29 H 0.082 0.918 30 H 0.087 0.913 31 H 0.090 0.910 32 H 0.107 0.893 33 H 0.046 0.954 34 H 0.067 0.933 35 H 0.072 0.928 36 H 0.089 0.911 37 H 0.093 0.907 38 H 0.063 0.937 39 H 0.076 0.924 40 H 0.055 0.945 41 H 0.094 0.906 42 H 0.049 0.951 43 H 0.125 0.875 44 H 0.115 0.885 45 H 0.084 0.916 46 H 0.082 0.918 47 H 0.089 0.911 48 H 0.091 0.909 49 H 0.078 0.922 50 H 0.087 0.913 51 H 0.104 0.896 52 H 0.052 0.948 53 H 0.050 0.950 Dipole moment (debyes) X Y Z Total from point charges -14.130 -2.644 -6.864 15.930 hybrid contribution 1.399 -0.605 -0.230 1.541 sum -12.732 -3.250 -7.094 14.932 Atomic orbital electron populations 1.22143 0.94387 1.01943 1.03641 1.19761 0.96095 0.87353 1.03270 1.24263 1.06074 0.97826 0.84152 1.73752 1.16948 0.98155 1.23926 1.74609 1.22065 1.15100 1.07470 1.22356 0.96884 0.84783 0.88073 1.59092 1.21099 0.98172 1.37875 1.19933 0.78835 0.98016 0.96244 1.21966 0.92968 1.49819 0.94425 0.91140 1.24902 0.97702 0.94723 0.96053 1.69947 1.09710 1.49666 1.23691 0.86571 0.80054 0.77794 0.84010 1.19396 1.21048 1.20831 1.21839 1.02169 0.86249 0.94201 1.22624 0.91976 0.96914 0.89252 1.88023 1.51707 1.50182 1.38916 1.22619 1.01012 0.90332 0.92471 1.45731 1.49280 1.12096 1.09077 1.21818 0.99494 0.99339 0.78952 1.21773 0.94631 0.83951 0.94211 1.22353 1.03218 1.01468 0.96264 1.22730 0.97674 1.01342 1.02239 1.88400 1.47223 1.16702 1.72618 1.22694 0.89592 0.99860 0.94324 0.92250 0.91849 0.91251 0.91010 0.89288 0.95425 0.93268 0.92838 0.91110 0.90667 0.93718 0.92387 0.94513 0.90632 0.95136 0.87533 0.88545 0.91645 0.91770 0.91125 0.90926 0.92224 0.91289 0.89570 0.94769 0.95010 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 -0.16 -1.79 9.47 37.16 0.35 -1.44 16 2 C -0.02 -0.32 6.24 -27.88 -0.17 -0.50 16 3 C 0.14 2.66 6.20 -154.01 -0.95 1.71 16 4 N -0.29 -6.40 12.18 32.99 0.40 -6.00 16 5 N -0.35 -8.35 10.86 30.31 0.33 -8.02 16 6 C 0.44 9.70 5.13 -318.88 -1.64 8.07 16 7 N -0.44 -9.66 3.98 -175.88 -0.70 -10.36 16 8 C 0.19 4.81 4.96 -4.97 -0.02 4.79 16 9 C -0.55 -15.18 7.54 -34.44 -0.26 -15.44 16 10 H 0.07 2.06 6.44 -52.49 -0.34 1.72 16 11 C 0.07 1.92 5.46 -17.82 -0.10 1.83 16 12 N -0.89 -25.41 13.29 55.43 0.74 -24.67 16 13 Si 0.89 22.02 29.54 -169.99 -5.02 17.00 16 14 H -0.27 -6.87 7.11 56.52 0.40 -6.47 16 15 H -0.28 -7.00 7.11 56.52 0.40 -6.59 16 16 H -0.28 -6.85 7.11 56.52 0.40 -6.45 16 17 C 0.08 1.73 4.71 -3.82 -0.02 1.72 16 18 C 0.07 1.25 6.05 37.16 0.22 1.48 16 19 O -0.37 -6.48 10.62 -35.23 -0.37 -6.85 16 20 C 0.03 0.44 11.01 101.05 1.11 1.55 16 21 N -0.47 -8.87 2.30 -114.08 -0.26 -9.13 16 22 C 0.13 1.99 5.23 -4.04 -0.02 1.96 16 23 C 0.10 1.26 0.90 -90.62 -0.08 1.18 16 24 C -0.18 -1.82 8.25 37.16 0.31 -1.51 16 25 C -0.18 -2.12 5.96 37.16 0.22 -1.90 16 26 O -0.33 -5.33 9.10 -35.23 -0.32 -5.65 16 27 C 0.03 0.41 10.21 101.05 1.03 1.44 16 28 H 0.06 0.51 8.14 -51.93 -0.42 0.09 16 29 H 0.06 0.80 8.13 -51.93 -0.42 0.38 16 30 H 0.07 0.73 3.58 -51.93 -0.19 0.54 16 31 H 0.07 0.78 6.86 -51.93 -0.36 0.42 16 32 H 0.09 1.12 8.14 -51.93 -0.42 0.70 16 33 H 0.03 0.73 6.13 -51.93 -0.32 0.41 16 34 H 0.05 1.29 6.36 -51.93 -0.33 0.96 16 35 H 0.26 7.11 8.31 -40.82 -0.34 6.77 16 36 H 0.07 1.48 7.83 -51.93 -0.41 1.07 16 37 H 0.08 1.70 6.82 -51.93 -0.35 1.35 16 38 H 0.04 0.70 8.14 -51.93 -0.42 0.28 16 39 H 0.06 1.13 6.49 -51.93 -0.34 0.79 16 40 H 0.04 0.49 8.14 -51.93 -0.42 0.06 16 41 H 0.08 0.86 8.14 -51.93 -0.42 0.43 16 42 H 0.03 0.36 8.14 -51.93 -0.42 -0.07 16 43 H 0.11 1.91 6.10 -51.93 -0.32 1.59 16 44 H 0.10 1.19 6.88 -51.93 -0.36 0.84 16 45 H 0.06 0.56 8.14 -51.93 -0.42 0.13 16 46 H 0.06 0.60 6.55 -51.93 -0.34 0.26 16 47 H 0.07 0.80 8.14 -51.93 -0.42 0.37 16 48 H 0.07 1.05 5.71 -51.93 -0.30 0.75 16 49 H 0.06 0.62 6.70 -51.93 -0.35 0.27 16 50 H 0.07 0.66 6.87 -51.93 -0.36 0.31 16 51 H 0.09 1.13 8.14 -51.93 -0.42 0.70 16 52 H 0.03 0.37 6.42 -51.93 -0.33 0.03 16 53 H 0.03 0.37 6.48 -51.93 -0.34 0.03 16 LS Contribution 402.44 15.07 6.06 6.06 Total: -1.00 -33.19 402.44 -7.84 -41.03 By element: Atomic # 1 Polarization: 10.36 SS G_CDS: -8.67 Total: 1.68 kcal Atomic # 6 Polarization: 4.93 SS G_CDS: -0.02 Total: 4.92 kcal Atomic # 7 Polarization: -58.70 SS G_CDS: 0.51 Total: -58.19 kcal Atomic # 8 Polarization: -11.81 SS G_CDS: -0.69 Total: -12.50 kcal Atomic # 14 Polarization: 22.02 SS G_CDS: -5.02 Total: 17.00 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -33.19 -7.84 -41.03 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. ZINC001411742307.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 47.378 kcal (2) G-P(sol) polarization free energy of solvation -33.192 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 14.186 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.836 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.028 kcal (6) G-S(sol) free energy of system = (1) + (5) 6.350 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds