Wall clock time and date at job start Sat Apr 11 2020 06:10:53 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 O 1.42894 * 1 3 3 C 1.42907 * 114.00560 * 2 1 4 4 H 1.09004 * 109.46361 * 34.47264 * 3 2 1 5 5 C 1.52990 * 109.47527 * 154.47319 * 3 2 1 6 6 N 1.46504 * 109.47368 * 294.23253 * 5 3 2 7 7 C 1.34776 * 119.99848 * 179.97438 * 6 5 3 8 8 O 1.21347 * 120.00462 * 0.02562 * 7 6 5 9 9 C 1.49446 * 119.99658 * 179.97438 * 7 6 5 10 10 O 1.21355 * 120.00385 * 359.97438 * 9 7 6 11 11 N 1.34781 * 120.00167 * 180.02562 * 9 7 6 12 12 C 1.46496 * 120.00129 * 180.02562 * 11 9 7 13 13 C 1.53003 * 109.47092 * 179.97438 * 12 11 9 14 14 C 1.53000 * 109.47267 * 299.99918 * 13 12 11 15 15 C 1.53004 * 109.47146 * 59.99870 * 13 12 11 16 16 C 1.50699 * 109.47196 * 179.97438 * 13 12 11 17 17 H 1.07997 * 120.00257 * 0.02562 * 16 13 12 18 18 C 1.37883 * 119.99906 * 180.02562 * 16 13 12 19 19 N 1.31512 * 119.99701 * 359.97438 * 18 16 13 20 20 Si 1.86796 * 119.99807 * 179.97438 * 18 16 13 21 21 H 1.48493 * 109.47231 * 359.97438 * 20 18 16 22 22 H 1.48498 * 109.47077 * 119.99917 * 20 18 16 23 23 H 1.48495 * 109.47181 * 240.00023 * 20 18 16 24 24 C 1.53003 * 109.47093 * 274.48067 * 3 2 1 25 25 C 1.54270 * 110.02872 * 297.83206 * 24 3 2 26 26 C 1.54892 * 104.19426 * 217.10885 * 25 24 3 27 27 C 1.54893 * 102.74937 * 37.93849 * 26 25 24 28 28 C 1.53866 * 110.03389 * 180.66787 * 24 3 2 29 29 H 1.09001 * 109.47184 * 55.05515 * 1 2 3 30 30 H 1.08992 * 109.47472 * 175.06339 * 1 2 3 31 31 H 1.09004 * 109.46685 * 295.06285 * 1 2 3 32 32 H 1.08998 * 109.47699 * 174.22752 * 5 3 2 33 33 H 1.09003 * 109.47210 * 54.23149 * 5 3 2 34 34 H 0.96993 * 119.99919 * 359.97438 * 6 5 3 35 35 H 0.97002 * 119.99681 * 359.97438 * 11 9 7 36 36 H 1.08994 * 109.47320 * 299.99358 * 12 11 9 37 37 H 1.08997 * 109.47439 * 59.99784 * 12 11 9 38 38 H 1.09007 * 109.46857 * 59.99696 * 14 13 12 39 39 H 1.09002 * 109.47247 * 179.97438 * 14 13 12 40 40 H 1.08997 * 109.47091 * 300.00292 * 14 13 12 41 41 H 1.09003 * 109.46897 * 59.99795 * 15 13 12 42 42 H 1.09000 * 109.47072 * 180.02562 * 15 13 12 43 43 H 1.09007 * 109.47033 * 300.00337 * 15 13 12 44 44 H 0.97005 * 119.99154 * 179.97438 * 19 18 16 45 45 H 1.08998 * 110.01676 * 59.26818 * 24 3 2 46 46 H 1.09003 * 110.48562 * 335.78564 * 25 24 3 47 47 H 1.09001 * 110.48695 * 98.42736 * 25 24 3 48 48 H 1.09002 * 110.75361 * 279.62618 * 26 25 24 49 49 H 1.08996 * 110.91066 * 156.32953 * 26 25 24 50 50 H 1.08994 * 110.48577 * 203.37607 * 27 26 25 51 51 H 1.09005 * 110.59221 * 80.79379 * 27 26 25 52 52 H 1.09000 * 110.03247 * 238.56755 * 28 24 3 53 53 H 1.09004 * 110.03001 * 359.97438 * 28 24 3 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 8 1.4289 0.0000 0.0000 3 6 2.0103 1.3055 0.0000 4 1 1.3841 1.9819 0.5817 5 6 3.4068 1.2419 0.6216 6 7 3.2952 0.8848 2.0380 7 6 4.4054 0.7692 2.7933 8 8 5.4974 0.9613 2.3004 9 6 4.2914 0.4055 4.2384 10 8 3.1993 0.2146 4.7318 11 7 5.4016 0.2903 4.9940 12 6 5.2899 -0.0668 6.4103 13 6 6.6866 -0.1309 7.0318 14 6 7.5207 -1.1870 6.3038 15 6 7.3658 1.2339 6.9019 16 6 6.5717 -0.4977 8.4889 17 1 5.5998 -0.6683 8.9278 18 6 7.7074 -0.6153 9.2619 19 7 8.8909 -0.4080 8.7273 20 14 7.5649 -1.0692 11.0682 21 1 6.1339 -1.2473 11.4225 22 1 8.2989 -2.3353 11.3199 23 1 8.1486 0.0148 11.8985 24 6 2.1149 1.8172 -1.4381 25 6 3.0426 0.8984 -2.2597 26 6 3.8071 1.8685 -3.1944 27 6 4.0494 3.0991 -2.2855 28 6 2.7550 3.2163 -1.4545 29 1 -0.3633 0.5886 -0.8424 30 1 -0.3634 -1.0238 -0.0884 31 1 -0.3633 0.4354 0.9310 32 1 3.8904 2.2143 0.5291 33 1 4.0014 0.4898 0.1030 34 1 2.4223 0.7315 2.4322 35 1 6.2746 0.4432 4.5997 36 1 4.6954 0.6854 6.9289 37 1 4.8064 -1.0392 6.5029 38 1 7.6037 -0.9213 5.2499 39 1 8.5158 -1.2324 6.7463 40 1 7.0368 -2.1593 6.3963 41 1 6.7715 1.9863 7.4205 42 1 8.3610 1.1880 7.3442 43 1 7.4488 1.4996 5.8480 44 1 9.6899 -0.4904 9.2712 45 1 1.1254 1.8538 -1.8939 46 1 3.7374 0.3733 -1.6043 47 1 2.4568 0.1884 -2.8436 48 1 3.1951 2.1385 -4.0550 49 1 4.7534 1.4337 -3.5163 50 1 4.1984 3.9950 -2.8881 51 1 4.9072 2.9316 -1.6340 52 1 2.0766 3.9319 -1.9191 53 1 2.9908 3.5309 -0.4379 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 ZINC000597341678.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 06:10:53 Heat of formation + Delta-G solvation = -136.459129 kcal Electronic energy + Delta-G solvation = -30476.863740 eV Core-core repulsion = 26347.984170 eV Total energy + Delta-G solvation = -4128.879571 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.54 seconds Orbital eigenvalues (eV) -40.56679 -39.75186 -38.21251 -37.25112 -36.45701 -34.91845 -33.26249 -31.25415 -30.87299 -29.08347 -27.96407 -26.85339 -25.91035 -25.70721 -25.19282 -23.60679 -22.58559 -20.99501 -20.29007 -19.61444 -18.93342 -18.19368 -17.28642 -16.86223 -16.33995 -15.92189 -15.71841 -15.65887 -15.29523 -14.87678 -14.76905 -14.65371 -14.44590 -14.19730 -13.77846 -13.57144 -13.27040 -12.92391 -12.88721 -12.50075 -12.28310 -12.20739 -12.03453 -11.60580 -11.44481 -11.40177 -11.38722 -11.35533 -11.27420 -11.17235 -10.88943 -10.88431 -10.69359 -10.66554 -10.38901 -10.19270 -9.92955 -9.63943 -9.51450 -9.25985 -9.19663 -8.78129 -8.57788 -8.36374 -6.01907 -4.12461 1.69809 2.59599 3.27503 3.28824 3.36165 3.40320 3.52124 3.92336 4.16876 4.25617 4.27354 4.40275 4.58015 4.66944 4.82962 4.85471 4.95770 5.04175 5.08081 5.18700 5.22051 5.24802 5.27007 5.32903 5.36965 5.40798 5.55086 5.59335 5.62933 5.77307 5.90275 5.94589 6.06266 6.13252 6.17269 6.25339 6.48668 6.65553 6.77395 6.84547 6.86729 6.95854 7.01884 7.13725 7.34868 7.56525 7.68676 7.74445 8.00297 8.01330 8.14363 8.34506 8.43561 8.88027 9.53359 10.99541 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.023021 B = 0.002027 C = 0.001926 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1215.995281 B =13809.043288 C =14533.844478 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.029 3.971 2 O -0.376 6.376 3 C 0.083 3.917 4 H 0.069 0.931 5 C 0.119 3.881 6 N -0.702 5.702 7 C 0.508 3.492 8 O -0.521 6.521 9 C 0.496 3.504 10 O -0.536 6.536 11 N -0.680 5.680 12 C 0.128 3.872 13 C 0.055 3.945 14 C -0.134 4.134 15 C -0.134 4.134 16 C -0.506 4.506 17 H 0.059 0.941 18 C 0.066 3.934 19 N -0.884 5.884 20 Si 0.894 3.106 21 H -0.273 1.273 22 H -0.284 1.284 23 H -0.285 1.285 24 C -0.111 4.111 25 C -0.117 4.117 26 C -0.126 4.126 27 C -0.127 4.127 28 C -0.124 4.124 29 H 0.041 0.959 30 H 0.087 0.913 31 H 0.044 0.956 32 H 0.089 0.911 33 H 0.084 0.916 34 H 0.413 0.587 35 H 0.411 0.589 36 H 0.061 0.939 37 H 0.062 0.938 38 H 0.009 0.991 39 H 0.087 0.913 40 H 0.027 0.973 41 H 0.027 0.973 42 H 0.087 0.913 43 H 0.008 0.992 44 H 0.260 0.740 45 H 0.078 0.922 46 H 0.075 0.925 47 H 0.065 0.935 48 H 0.064 0.936 49 H 0.067 0.933 50 H 0.065 0.935 51 H 0.070 0.930 52 H 0.066 0.934 53 H 0.069 0.931 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.746 5.805 -23.015 27.429 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 -0.068 4.068 2 O -0.295 6.295 3 C 0.024 3.976 4 H 0.087 0.913 5 C -0.004 4.004 6 N -0.356 5.356 7 C 0.289 3.711 8 O -0.397 6.397 9 C 0.275 3.725 10 O -0.414 6.414 11 N -0.332 5.332 12 C 0.006 3.994 13 C 0.055 3.945 14 C -0.191 4.191 15 C -0.191 4.191 16 C -0.544 4.544 17 H 0.077 0.923 18 C -0.136 4.136 19 N -0.523 5.523 20 Si 0.722 3.278 21 H -0.198 1.198 22 H -0.211 1.211 23 H -0.211 1.211 24 C -0.130 4.130 25 C -0.155 4.155 26 C -0.164 4.164 27 C -0.164 4.164 28 C -0.162 4.162 29 H 0.060 0.940 30 H 0.105 0.895 31 H 0.062 0.938 32 H 0.107 0.893 33 H 0.103 0.897 34 H 0.249 0.751 35 H 0.248 0.752 36 H 0.080 0.920 37 H 0.080 0.920 38 H 0.028 0.972 39 H 0.106 0.894 40 H 0.047 0.953 41 H 0.046 0.954 42 H 0.106 0.894 43 H 0.027 0.973 44 H 0.070 0.930 45 H 0.096 0.904 46 H 0.094 0.906 47 H 0.084 0.916 48 H 0.083 0.917 49 H 0.086 0.914 50 H 0.083 0.917 51 H 0.088 0.912 52 H 0.085 0.915 53 H 0.088 0.912 Dipole moment (debyes) X Y Z Total from point charges -13.409 5.636 -22.934 27.157 hybrid contribution -0.359 -0.015 0.926 0.993 sum -13.767 5.621 -22.008 26.561 Atomic orbital electron populations 1.22814 0.80917 1.02972 1.00058 1.87995 1.19740 1.26762 1.94986 1.22424 0.94061 0.85455 0.95622 0.91284 1.21684 0.96072 1.02437 0.80230 1.45644 1.09922 1.69777 1.10209 1.20459 0.84562 0.78140 0.87973 1.90751 1.26501 1.48446 1.73984 1.19958 0.85661 0.80067 0.86780 1.90721 1.26602 1.50405 1.73692 1.46215 1.08821 1.65911 1.12239 1.21937 1.01331 0.99528 0.76588 1.18391 0.87994 0.93291 0.94874 1.21857 1.03963 0.97750 0.95571 1.21858 1.03986 0.96831 0.96451 1.20988 0.93086 1.47275 0.93079 0.92303 1.24892 0.95306 0.94969 0.98415 1.69823 0.97490 1.49398 1.35544 0.86499 0.78197 0.78009 0.85069 1.19770 1.21062 1.21077 1.22226 1.00329 0.95479 0.94992 1.22429 0.98032 0.97254 0.97740 1.22515 1.00237 0.95843 0.97793 1.22381 0.97625 0.98258 0.98168 1.22256 0.97198 0.95816 1.00916 0.94040 0.89452 0.93788 0.89311 0.89748 0.75125 0.75191 0.92020 0.92014 0.97242 0.89442 0.95335 0.95356 0.89439 0.97255 0.93011 0.90395 0.90616 0.91578 0.91739 0.91433 0.91656 0.91169 0.91538 0.91215 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 0.03 0.19 10.80 101.05 1.09 1.28 16 2 O -0.38 -3.43 10.04 -35.23 -0.35 -3.79 16 3 C 0.08 0.65 1.83 -26.73 -0.05 0.60 16 4 H 0.07 0.48 7.89 -51.93 -0.41 0.07 16 5 C 0.12 1.20 4.75 -4.04 -0.02 1.18 16 6 N -0.70 -8.70 5.51 -60.73 -0.33 -9.04 16 7 C 0.51 8.00 7.89 -11.59 -0.09 7.91 16 8 O -0.52 -9.14 16.48 5.50 0.09 -9.05 16 9 C 0.50 8.90 7.89 -11.58 -0.09 8.81 16 10 O -0.54 -10.45 16.48 5.49 0.09 -10.36 16 11 N -0.68 -12.85 4.95 -60.73 -0.30 -13.16 16 12 C 0.13 2.71 4.50 -4.04 -0.02 2.69 16 13 C 0.06 1.29 0.50 -155.66 -0.08 1.21 16 14 C -0.13 -3.09 8.08 37.16 0.30 -2.79 16 15 C -0.13 -3.07 8.08 37.16 0.30 -2.77 16 16 C -0.51 -13.17 8.01 -34.44 -0.28 -13.45 16 17 H 0.06 1.54 7.74 -52.49 -0.41 1.13 16 18 C 0.07 1.72 5.15 -17.82 -0.09 1.63 16 19 N -0.88 -23.67 9.35 55.43 0.52 -23.15 16 20 Si 0.89 20.68 29.54 -169.99 -5.02 15.66 16 21 H -0.27 -6.29 7.11 56.52 0.40 -5.89 16 22 H -0.28 -6.59 7.11 56.52 0.40 -6.19 16 23 H -0.28 -6.58 7.11 56.52 0.40 -6.18 16 24 C -0.11 -0.74 2.90 -89.50 -0.26 -1.00 16 25 C -0.12 -0.85 5.91 -25.07 -0.15 -1.00 16 26 C -0.13 -0.81 6.91 -24.73 -0.17 -0.99 16 27 C -0.13 -0.83 6.83 -25.07 -0.17 -1.00 16 28 C -0.12 -0.77 5.84 -25.62 -0.15 -0.92 16 29 H 0.04 0.21 7.45 -51.93 -0.39 -0.17 16 30 H 0.09 0.51 8.14 -51.93 -0.42 0.08 16 31 H 0.04 0.26 8.14 -51.93 -0.42 -0.16 16 32 H 0.09 0.86 6.28 -51.93 -0.33 0.53 16 33 H 0.08 0.94 6.22 -51.93 -0.32 0.61 16 34 H 0.41 4.81 7.94 -40.82 -0.32 4.49 16 35 H 0.41 7.64 5.63 -40.82 -0.23 7.41 16 36 H 0.06 1.33 8.14 -51.93 -0.42 0.91 16 37 H 0.06 1.34 8.14 -51.93 -0.42 0.92 16 38 H 0.01 0.18 6.86 -51.93 -0.36 -0.17 16 39 H 0.09 2.22 6.07 -51.93 -0.32 1.90 16 40 H 0.03 0.64 8.14 -51.93 -0.42 0.22 16 41 H 0.03 0.63 8.14 -51.93 -0.42 0.21 16 42 H 0.09 2.21 6.07 -51.93 -0.32 1.90 16 43 H 0.01 0.18 6.86 -51.93 -0.36 -0.18 16 44 H 0.26 6.70 8.31 -40.82 -0.34 6.36 16 45 H 0.08 0.47 7.50 -51.93 -0.39 0.08 16 46 H 0.08 0.64 5.70 -51.93 -0.30 0.35 16 47 H 0.07 0.47 8.14 -51.93 -0.42 0.05 16 48 H 0.06 0.38 8.14 -51.93 -0.42 -0.05 16 49 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 50 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 51 H 0.07 0.51 8.14 -51.93 -0.42 0.09 16 52 H 0.07 0.36 8.14 -51.93 -0.42 -0.06 16 53 H 0.07 0.45 6.31 -51.93 -0.33 0.12 16 LS Contribution 410.07 15.07 6.18 6.18 Total: -1.00 -28.91 410.07 -8.02 -36.94 By element: Atomic # 1 Polarization: 17.33 SS G_CDS: -8.97 Total: 8.36 kcal Atomic # 6 Polarization: 1.34 SS G_CDS: 0.08 Total: 1.41 kcal Atomic # 7 Polarization: -45.23 SS G_CDS: -0.12 Total: -45.34 kcal Atomic # 8 Polarization: -23.03 SS G_CDS: -0.17 Total: -23.20 kcal Atomic # 14 Polarization: 20.68 SS G_CDS: -5.02 Total: 15.66 kcal Total LS contribution 6.18 Total: 6.18 kcal Total: -28.91 -8.02 -36.94 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. ZINC000597341678.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 -99.524 kcal (2) G-P(sol) polarization free energy of solvation -28.911 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -128.435 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.024 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -36.935 kcal (6) G-S(sol) free energy of system = (1) + (5) -136.459 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.55 seconds