Wall clock time and date at job start Sat Apr 11 2020 06:10:56 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 1.53001 * 1 3 3 O 1.42899 * 109.46721 * 2 1 4 4 C 1.42907 * 113.99757 * 184.72635 * 3 2 1 5 5 H 1.08996 * 109.46931 * 5.58568 * 4 3 2 6 6 C 1.50700 * 109.46894 * 125.58105 * 4 3 2 7 7 O 1.21278 * 120.00151 * 13.20699 * 6 4 3 8 8 N 1.34782 * 120.00236 * 193.20245 * 6 4 3 9 9 C 1.47019 * 125.64273 * 355.12258 * 8 6 4 10 10 C 1.54312 * 107.27217 * 180.96437 * 9 8 6 11 11 C 1.55156 * 102.86340 * 22.52623 * 10 9 8 12 12 H 1.08997 * 111.00595 * 82.38160 * 11 10 9 13 13 C 1.53003 * 111.03872 * 206.21221 * 11 10 9 14 14 N 1.46504 * 109.47155 * 287.21620 * 13 11 10 15 15 C 1.36938 * 119.99813 * 179.97438 * 14 13 11 16 16 H 1.07999 * 120.00166 * 0.02562 * 15 14 13 17 17 C 1.38816 * 119.99947 * 179.97438 * 15 14 13 18 18 N 1.31612 * 119.99894 * 180.02562 * 17 15 14 19 19 Si 1.86803 * 119.99852 * 0.02562 * 17 15 14 20 20 H 1.48497 * 109.47262 * 89.99483 * 19 17 15 21 21 H 1.48502 * 109.46925 * 210.00061 * 19 17 15 22 22 H 1.48503 * 109.46994 * 329.99416 * 19 17 15 23 23 C 1.47426 * 125.64979 * 175.42601 * 8 6 4 24 24 C 1.53001 * 109.47372 * 245.58005 * 4 3 2 25 25 C 1.53178 * 109.53977 * 63.02132 * 24 4 3 26 26 C 1.53091 * 109.16095 * 183.15322 * 25 24 4 27 27 O 1.42900 * 109.41585 * 57.61106 * 26 25 24 28 28 C 1.42906 * 114.09478 * 298.83952 * 27 26 25 29 29 C 1.53084 * 109.41337 * 61.16024 * 28 27 26 30 30 H 1.09003 * 109.47387 * 299.99679 * 1 2 3 31 31 H 1.08993 * 109.47054 * 60.00276 * 1 2 3 32 32 H 1.09009 * 109.46691 * 180.02562 * 1 2 3 33 33 H 1.08994 * 109.46962 * 239.99915 * 2 1 3 34 34 H 1.09001 * 109.47243 * 119.99434 * 2 1 3 35 35 H 1.08996 * 109.88266 * 300.50762 * 9 8 6 36 36 H 1.09000 * 109.88492 * 61.67923 * 9 8 6 37 37 H 1.09001 * 110.92633 * 264.11317 * 10 9 8 38 38 H 1.08997 * 110.74450 * 140.85832 * 10 9 8 39 39 H 1.08998 * 109.47092 * 47.21741 * 13 11 10 40 40 H 1.08994 * 109.47012 * 167.21558 * 13 11 10 41 41 H 0.96997 * 119.99857 * 359.97438 * 14 13 11 42 42 H 0.97002 * 120.00237 * 180.02562 * 18 17 15 43 43 H 1.08999 * 110.36320 * 274.67822 * 23 8 6 44 44 H 1.08999 * 110.36723 * 36.99749 * 23 8 6 45 45 H 1.08994 * 109.54323 * 183.28677 * 24 4 3 46 46 H 1.09005 * 109.52310 * 63.24526 * 25 24 4 47 47 H 1.09000 * 109.52687 * 303.06091 * 25 24 4 48 48 H 1.08996 * 109.47931 * 297.62298 * 26 25 24 49 49 H 1.09003 * 109.47747 * 177.59424 * 26 25 24 50 50 H 1.09001 * 109.47983 * 181.14364 * 28 27 26 51 51 H 1.09005 * 109.47905 * 301.16489 * 28 27 26 52 52 H 1.09002 * 109.52755 * 62.29470 * 29 28 27 53 53 H 1.09001 * 109.52412 * 182.42265 * 29 28 27 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 8 2.0062 1.3473 0.0000 4 6 3.4267 1.4617 -0.1076 5 1 3.8594 0.4744 -0.2689 6 6 3.7719 2.3573 -1.2693 7 8 2.9114 3.0364 -1.7881 8 7 5.0371 2.4038 -1.7317 9 6 6.1923 1.7157 -1.1373 10 6 7.4284 2.0781 -1.9870 11 6 7.0021 3.4051 -2.6685 12 1 7.1560 4.2537 -2.0020 13 6 7.7463 3.6078 -3.9900 14 7 9.1426 3.9561 -3.7156 15 6 10.0075 4.1852 -4.7523 16 1 9.6601 4.1096 -5.7721 17 6 11.3304 4.5158 -4.4924 18 7 12.1615 4.7365 -5.4888 19 14 11.9310 4.6472 -2.7285 20 1 12.4323 3.3246 -2.2763 21 1 13.0283 5.6450 -2.6523 22 1 10.8099 5.0769 -1.8546 23 6 5.4927 3.1581 -2.9137 24 6 3.9894 2.0606 1.1830 25 6 3.7048 1.1145 2.3535 26 6 4.2009 1.7574 3.6513 27 8 3.5606 3.0223 3.8298 28 6 3.8293 3.9642 2.7892 29 6 3.3183 3.4100 1.4569 30 1 -0.3634 0.5138 0.8900 31 1 -0.3633 0.5138 -0.8900 32 1 -0.3633 -1.0278 0.0005 33 1 1.8933 -0.5138 -0.8899 34 1 1.8934 -0.5137 0.8900 35 1 6.3351 2.0509 -0.1101 36 1 6.0332 0.6376 -1.1590 37 1 7.6276 1.3083 -2.7326 38 1 8.3010 2.2333 -1.3526 39 1 7.7091 2.6874 -4.5727 40 1 7.2747 4.4134 -4.5527 41 1 9.4545 4.0243 -2.7997 42 1 13.0861 4.9671 -5.3072 43 1 5.3468 2.5689 -3.8190 44 1 4.9601 4.1062 -2.9871 45 1 5.0651 2.2025 1.0803 46 1 4.2246 0.1699 2.1930 47 1 2.6322 0.9337 2.4234 48 1 5.2800 1.9006 3.5966 49 1 3.9626 1.1073 4.4932 50 1 3.3233 4.9041 3.0100 51 1 4.9036 4.1366 2.7234 52 1 2.2378 3.2756 1.5085 53 1 3.5606 4.1077 0.6552 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 ZINC001567132496.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 06:10:56 Heat of formation + Delta-G solvation = -118.743775 kcal Electronic energy + Delta-G solvation = -31389.782750 eV Core-core repulsion = 27261.671374 eV Total energy + Delta-G solvation = -4128.111375 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.73 seconds Orbital eigenvalues (eV) -40.89955 -39.44232 -38.37448 -37.32144 -34.99910 -34.48297 -32.31233 -31.59532 -31.35480 -30.69324 -29.48756 -28.22245 -25.63894 -24.25577 -23.89441 -23.11437 -22.79381 -22.04638 -20.52738 -20.28766 -19.56793 -17.72841 -17.36192 -17.17200 -16.80506 -16.27207 -16.09570 -15.70887 -15.59335 -15.08330 -14.75550 -14.73195 -14.33367 -14.11066 -13.86549 -13.71218 -13.61485 -13.23654 -12.99346 -12.83633 -12.74076 -12.59445 -12.50995 -12.40354 -12.15572 -11.95181 -11.66888 -11.64556 -11.60344 -11.32450 -11.09434 -11.01599 -10.77615 -10.67322 -10.65324 -10.52548 -10.37238 -10.16897 -9.95501 -9.63907 -9.42985 -8.95201 -8.76027 -7.29016 -5.81128 -3.17306 2.42189 2.55264 3.32207 3.33785 3.40910 3.43411 3.56347 4.05018 4.19456 4.32827 4.46947 4.52816 4.54332 4.56004 4.63943 4.69878 4.73767 4.82799 4.89534 4.91425 4.98920 5.00317 5.11803 5.15661 5.23548 5.24092 5.32057 5.35819 5.36319 5.43740 5.50294 5.53264 5.56200 5.67847 5.69641 5.74961 5.78157 5.81314 5.81596 5.84964 6.01436 6.07415 6.09958 6.22890 6.57471 6.66186 6.73835 6.87302 7.35209 7.94476 8.01988 8.37565 9.16164 9.88171 10.07610 11.37245 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.014661 B = 0.002635 C = 0.002371 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1909.400925 B =10622.815810 C =11804.399366 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.150 4.150 2 C 0.053 3.947 3 O -0.349 6.349 4 C 0.086 3.914 5 H 0.085 0.915 6 C 0.520 3.480 7 O -0.519 6.519 8 N -0.617 5.617 9 C 0.095 3.905 10 C -0.124 4.124 11 C -0.110 4.110 12 H 0.084 0.916 13 C 0.169 3.831 14 N -0.754 5.754 15 C -0.245 4.245 16 H 0.090 0.910 17 C 0.004 3.996 18 N -0.933 5.933 19 Si 0.885 3.115 20 H -0.284 1.284 21 H -0.291 1.291 22 H -0.278 1.278 23 C 0.114 3.886 24 C -0.098 4.098 25 C -0.150 4.150 26 C 0.062 3.938 27 O -0.382 6.382 28 C 0.061 3.939 29 C -0.146 4.146 30 H 0.064 0.936 31 H 0.065 0.935 32 H 0.071 0.929 33 H 0.048 0.952 34 H 0.051 0.949 35 H 0.068 0.932 36 H 0.067 0.933 37 H 0.084 0.916 38 H 0.083 0.917 39 H 0.032 0.968 40 H 0.031 0.969 41 H 0.361 0.639 42 H 0.260 0.740 43 H 0.073 0.927 44 H 0.080 0.920 45 H 0.088 0.912 46 H 0.072 0.928 47 H 0.080 0.920 48 H 0.050 0.950 49 H 0.094 0.906 50 H 0.095 0.905 51 H 0.050 0.950 52 H 0.085 0.915 53 H 0.073 0.927 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -20.228 -11.863 18.499 29.869 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 -0.208 4.208 2 C -0.024 4.024 3 O -0.267 6.267 4 C 0.024 3.976 5 H 0.103 0.897 6 C 0.307 3.693 7 O -0.394 6.394 8 N -0.353 5.353 9 C -0.028 4.028 10 C -0.162 4.162 11 C -0.130 4.130 12 H 0.103 0.897 13 C 0.041 3.959 14 N -0.400 5.400 15 C -0.375 4.375 16 H 0.108 0.892 17 C -0.192 4.192 18 N -0.581 5.581 19 Si 0.715 3.285 20 H -0.211 1.211 21 H -0.217 1.217 22 H -0.204 1.204 23 C -0.008 4.008 24 C -0.117 4.117 25 C -0.188 4.188 26 C -0.015 4.015 27 O -0.301 6.301 28 C -0.015 4.015 29 C -0.183 4.183 30 H 0.083 0.917 31 H 0.084 0.916 32 H 0.089 0.911 33 H 0.066 0.934 34 H 0.069 0.931 35 H 0.087 0.913 36 H 0.085 0.915 37 H 0.102 0.898 38 H 0.102 0.898 39 H 0.049 0.951 40 H 0.049 0.951 41 H 0.193 0.807 42 H 0.070 0.930 43 H 0.091 0.909 44 H 0.098 0.902 45 H 0.106 0.894 46 H 0.091 0.909 47 H 0.099 0.901 48 H 0.069 0.931 49 H 0.112 0.888 50 H 0.113 0.887 51 H 0.068 0.932 52 H 0.104 0.896 53 H 0.092 0.908 Dipole moment (debyes) X Y Z Total from point charges -20.966 -11.279 18.181 29.956 hybrid contribution 1.082 -0.256 0.825 1.384 sum -19.885 -11.536 19.006 29.828 Atomic orbital electron populations 1.21725 0.93338 1.02225 1.03472 1.22683 0.96140 0.83589 0.99988 1.88047 1.18523 1.26265 1.93875 1.21888 0.83966 0.98581 0.93152 0.89683 1.20367 0.81026 0.83481 0.84394 1.90723 1.46910 1.42656 1.59130 1.48536 1.07052 1.49931 1.29828 1.22239 0.86147 0.96763 0.97660 1.22694 0.96035 0.98123 0.99332 1.22628 0.93190 0.97742 0.99392 0.89720 1.20524 0.84943 0.98193 0.92221 1.42655 1.06225 1.85843 1.05268 1.19052 0.90106 1.39794 0.88543 0.89178 1.24682 0.96123 1.01609 0.96742 1.69697 1.04843 1.54038 1.29535 0.86543 0.78308 0.77655 0.85973 1.21063 1.21711 1.20375 1.22249 0.94236 0.96756 0.87570 1.21592 1.00432 0.96553 0.93133 1.22255 1.03266 0.98428 0.94814 1.22539 0.96330 0.85326 0.97267 1.87937 1.72686 1.23325 1.46159 1.22610 0.99768 0.92256 0.86901 1.22134 1.02523 0.95781 0.97887 0.91713 0.91588 0.91059 0.93358 0.93119 0.91349 0.91513 0.89775 0.89829 0.95051 0.95124 0.80681 0.93012 0.90920 0.90179 0.89439 0.90896 0.90139 0.93123 0.88792 0.88682 0.93208 0.89643 0.90816 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -1.06 10.28 37.16 0.38 -0.68 16 2 C 0.05 0.41 6.16 37.16 0.23 0.64 16 3 O -0.35 -3.85 8.13 -54.79 -0.45 -4.29 16 4 C 0.09 0.85 1.76 -27.88 -0.05 0.80 16 5 H 0.09 0.66 7.33 -51.93 -0.38 0.28 16 6 C 0.52 6.82 6.14 -10.98 -0.07 6.75 16 7 O -0.52 -8.94 16.78 -14.00 -0.23 -9.17 16 8 N -0.62 -7.34 3.33 -170.54 -0.57 -7.90 16 9 C 0.09 0.89 6.11 -3.07 -0.02 0.87 16 10 C -0.12 -1.44 6.37 -24.90 -0.16 -1.59 16 11 C -0.11 -1.52 3.04 -88.47 -0.27 -1.79 16 12 H 0.08 1.21 8.14 -51.93 -0.42 0.79 16 13 C 0.17 3.03 5.72 -4.04 -0.02 3.00 16 14 N -0.75 -17.05 5.35 -59.91 -0.32 -17.37 16 15 C -0.25 -6.78 10.47 -15.06 -0.16 -6.94 16 16 H 0.09 2.68 8.06 -52.49 -0.42 2.26 16 17 C 0.00 0.12 5.50 -17.43 -0.10 0.03 16 18 N -0.93 -28.96 13.97 55.49 0.78 -28.18 16 19 Si 0.88 21.46 27.74 -169.99 -4.71 16.75 16 20 H -0.28 -6.77 7.11 56.52 0.40 -6.37 16 21 H -0.29 -7.21 7.11 56.52 0.40 -6.81 16 22 H -0.28 -6.28 6.52 56.52 0.37 -5.91 16 23 C 0.11 1.49 6.40 -2.53 -0.02 1.47 16 24 C -0.10 -0.84 2.05 -90.44 -0.19 -1.03 16 25 C -0.15 -1.03 5.15 -26.59 -0.14 -1.17 16 26 C 0.06 0.45 6.84 37.20 0.25 0.71 16 27 O -0.38 -3.81 10.77 -35.23 -0.38 -4.19 16 28 C 0.06 0.56 6.84 37.20 0.25 0.81 16 29 C -0.15 -1.47 5.02 -26.60 -0.13 -1.60 16 30 H 0.06 0.46 8.14 -51.93 -0.42 0.04 16 31 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 32 H 0.07 0.36 8.14 -51.92 -0.42 -0.07 16 33 H 0.05 0.36 8.11 -51.93 -0.42 -0.06 16 34 H 0.05 0.31 7.43 -51.93 -0.39 -0.08 16 35 H 0.07 0.55 5.97 -51.93 -0.31 0.24 16 36 H 0.07 0.51 8.00 -51.93 -0.42 0.09 16 37 H 0.08 1.00 7.92 -51.93 -0.41 0.59 16 38 H 0.08 0.96 8.14 -51.93 -0.42 0.54 16 39 H 0.03 0.57 7.97 -51.93 -0.41 0.15 16 40 H 0.03 0.57 8.14 -51.93 -0.42 0.15 16 41 H 0.36 7.87 5.53 -40.82 -0.23 7.65 16 42 H 0.26 7.67 8.31 -40.82 -0.34 7.33 16 43 H 0.07 0.93 8.04 -51.93 -0.42 0.51 16 44 H 0.08 1.12 7.99 -51.93 -0.42 0.70 16 45 H 0.09 0.69 5.57 -51.93 -0.29 0.40 16 46 H 0.07 0.37 8.14 -51.93 -0.42 -0.05 16 47 H 0.08 0.63 6.98 -51.93 -0.36 0.26 16 48 H 0.05 0.33 8.14 -51.93 -0.42 -0.09 16 49 H 0.09 0.54 8.14 -51.93 -0.42 0.12 16 50 H 0.10 0.79 8.14 -51.93 -0.42 0.36 16 51 H 0.05 0.42 8.14 -51.93 -0.42 -0.01 16 52 H 0.08 0.99 7.51 -51.93 -0.39 0.60 16 53 H 0.07 0.86 7.45 -51.93 -0.39 0.47 16 LS Contribution 408.38 15.07 6.15 6.15 Total: -1.00 -34.32 408.38 -9.39 -43.71 By element: Atomic # 1 Polarization: 13.68 SS G_CDS: -9.47 Total: 4.21 kcal Atomic # 6 Polarization: 0.48 SS G_CDS: -0.19 Total: 0.29 kcal Atomic # 7 Polarization: -53.35 SS G_CDS: -0.11 Total: -53.46 kcal Atomic # 8 Polarization: -16.59 SS G_CDS: -1.06 Total: -17.65 kcal Atomic # 14 Polarization: 21.46 SS G_CDS: -4.71 Total: 16.75 kcal Total LS contribution 6.15 Total: 6.15 kcal Total: -34.32 -9.39 -43.71 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. ZINC001567132496.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 -75.036 kcal (2) G-P(sol) polarization free energy of solvation -34.317 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -109.353 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.391 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.708 kcal (6) G-S(sol) free energy of system = (1) + (5) -118.744 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.73 seconds