Wall clock time and date at job start Sat Apr 11 2020 06:09:19 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 1.53004 * 1 3 3 C 1.52998 * 109.47304 * 2 1 4 4 C 1.53003 * 109.47158 * 305.78759 * 3 2 1 5 5 C 1.52999 * 109.46994 * 295.28159 * 4 3 2 6 6 C 1.53000 * 109.47016 * 65.78277 * 3 2 1 7 7 N 1.46508 * 109.47163 * 65.00395 * 6 3 2 8 8 C 1.46500 * 119.99930 * 89.99604 * 7 6 3 9 9 C 1.52998 * 109.46972 * 94.16201 * 8 7 6 10 10 C 1.34778 * 119.99587 * 270.00168 * 7 6 3 11 11 O 1.21348 * 120.00148 * 5.19152 * 10 7 6 12 12 C 1.49448 * 119.99475 * 185.19740 * 10 7 6 13 13 O 1.21349 * 120.00201 * 5.61463 * 12 10 7 14 14 N 1.34778 * 119.99926 * 185.61390 * 12 10 7 15 15 C 1.47027 * 125.64782 * 359.68524 * 14 12 10 16 16 C 1.54331 * 107.26436 * 178.85139 * 15 14 12 17 17 C 1.55152 * 103.02332 * 338.14394 * 16 15 14 18 18 O 1.42902 * 111.00259 * 277.23311 * 17 16 15 19 19 C 1.50696 * 111.03724 * 153.39417 * 17 16 15 20 20 H 1.07997 * 120.00450 * 273.71754 * 19 17 16 21 21 C 1.37885 * 119.99788 * 93.71528 * 19 17 16 22 22 N 1.31517 * 119.99773 * 175.02452 * 21 19 17 23 23 Si 1.86798 * 120.00052 * 355.02706 * 21 19 17 24 24 H 1.48503 * 109.47055 * 88.13468 * 23 21 19 25 25 H 1.48498 * 109.47171 * 208.13311 * 23 21 19 26 26 H 1.48500 * 109.47310 * 328.13650 * 23 21 19 27 27 C 1.47422 * 125.65085 * 180.02562 * 14 12 10 28 28 H 1.09003 * 109.47377 * 186.41178 * 1 2 3 29 29 H 1.08998 * 109.47231 * 306.41812 * 1 2 3 30 30 H 1.08999 * 109.46700 * 66.41551 * 1 2 3 31 31 H 1.08997 * 109.47250 * 239.99796 * 2 1 3 32 32 H 1.09002 * 109.46331 * 119.99620 * 2 1 3 33 33 H 1.08994 * 109.46942 * 185.78448 * 3 2 1 34 34 H 1.09004 * 109.46965 * 55.27343 * 4 3 2 35 35 H 1.08990 * 109.47181 * 175.28036 * 4 3 2 36 36 H 1.09002 * 109.47580 * 185.24319 * 5 4 3 37 37 H 1.09010 * 109.46903 * 305.24515 * 5 4 3 38 38 H 1.08998 * 109.47440 * 65.23941 * 5 4 3 39 39 H 1.08996 * 109.47864 * 305.00060 * 6 3 2 40 40 H 1.09005 * 109.47224 * 185.00018 * 6 3 2 41 41 H 1.08999 * 109.46820 * 214.16569 * 8 7 6 42 42 H 1.09003 * 109.47202 * 334.15843 * 8 7 6 43 43 H 1.08998 * 109.47128 * 299.99820 * 9 8 7 44 44 H 1.09004 * 109.46757 * 60.00068 * 9 8 7 45 45 H 1.09000 * 109.47192 * 179.97438 * 9 8 7 46 46 H 1.08993 * 109.88367 * 298.40298 * 15 14 12 47 47 H 1.09001 * 109.87860 * 59.56192 * 15 14 12 48 48 H 1.09004 * 110.84703 * 219.67387 * 16 15 14 49 49 H 1.09002 * 110.51364 * 96.46151 * 16 15 14 50 50 H 0.96702 * 113.99872 * 177.74731 * 18 17 16 51 51 H 0.96998 * 119.99909 * 180.02562 * 22 21 19 52 52 H 1.08999 * 110.36096 * 322.92279 * 27 14 12 53 53 H 1.08997 * 110.37107 * 85.14027 * 27 14 12 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 2.0401 1.4425 0.0000 4 6 1.4148 2.2045 -1.1702 5 6 1.8971 1.5982 -2.4895 6 6 1.6522 2.1205 1.3156 7 7 2.3462 1.4641 2.4264 8 6 3.6638 1.9426 2.8521 9 6 3.4976 2.9395 4.0008 10 6 1.7724 0.4200 3.0566 11 8 0.7259 -0.0364 2.6452 12 6 2.4249 -0.1755 4.2620 13 8 3.4154 0.3427 4.7341 14 7 1.9131 -1.2881 4.8249 15 6 0.7197 -2.0114 4.3619 16 6 0.5342 -3.2303 5.2901 17 6 1.9531 -3.4380 5.8824 18 8 2.7779 -4.1852 4.9859 19 6 1.8837 -4.1057 7.2316 20 1 1.7491 -3.5103 8.1225 21 6 1.9920 -5.4768 7.3286 22 7 2.0299 -6.0514 8.5110 23 14 2.0851 -6.5183 5.7807 24 1 3.5018 -6.6457 5.3542 25 1 1.5282 -7.8668 6.0571 26 1 1.2993 -5.8702 4.7000 27 6 2.4531 -1.9773 6.0109 28 1 -0.3634 -1.0212 0.1148 29 1 -0.3633 0.6101 0.8269 30 1 -0.3633 0.4112 -0.9418 31 1 1.8934 -0.5138 -0.8899 32 1 1.8932 -0.5138 0.8901 33 1 3.1251 1.4441 -0.1036 34 1 0.3287 2.1315 -1.1124 35 1 1.7117 3.2521 -1.1217 36 1 1.5270 2.1973 -3.3215 37 1 2.9870 1.5862 -2.5069 38 1 1.5211 0.5792 -2.5801 39 1 0.5751 2.0405 1.4620 40 1 1.9368 3.1722 1.2800 41 1 4.2658 1.0983 3.1879 42 1 4.1604 2.4327 2.0147 43 1 2.8955 3.7838 3.6650 44 1 3.0010 2.4493 4.8383 45 1 4.4779 3.2952 4.3179 46 1 -0.1535 -1.3618 4.4206 47 1 0.8654 -2.3481 3.3355 48 1 0.2213 -4.1064 4.7220 49 1 -0.1837 -3.0042 6.0786 50 1 3.6846 -4.3107 5.2978 51 1 2.1065 -7.0159 8.5793 52 1 3.5426 -1.9474 6.0037 53 1 2.0678 -1.5214 6.9229 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 ZINC001332356600.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 06:09:19 Heat of formation + Delta-G solvation = -112.334834 kcal Electronic energy + Delta-G solvation = -32438.618178 eV Core-core repulsion = 28310.784716 eV Total energy + Delta-G solvation = -4127.833463 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.71 seconds Orbital eigenvalues (eV) -40.92053 -39.16369 -37.76716 -37.25923 -35.83263 -34.62629 -32.40306 -31.38172 -30.69807 -30.41612 -28.71285 -28.40022 -26.14768 -24.90177 -23.92180 -23.51240 -22.73303 -21.39275 -19.87813 -19.27242 -18.78995 -17.60996 -17.18610 -16.95072 -16.27791 -15.79701 -15.60439 -15.35848 -15.21785 -14.71576 -14.57398 -14.21456 -13.98668 -13.66333 -13.53323 -13.27609 -13.22671 -12.75500 -12.72897 -12.55351 -12.49877 -12.20163 -12.09988 -12.06579 -11.93127 -11.76211 -11.64208 -11.57609 -11.33213 -11.02323 -10.93867 -10.79522 -10.64130 -10.55368 -10.53796 -10.48680 -10.35180 -10.24832 -9.28115 -9.07422 -8.82795 -8.63586 -8.61489 -8.15126 -6.24093 -4.36582 1.66482 2.44603 3.40091 3.41813 3.50772 3.55465 3.69322 4.38076 4.44369 4.56123 4.61575 4.70039 4.95569 4.97872 5.00442 5.10433 5.18863 5.22542 5.31236 5.37472 5.39577 5.42231 5.45546 5.52839 5.58450 5.69549 5.71558 5.71805 5.74547 5.76619 5.84358 5.93858 5.99675 6.00980 6.07168 6.14121 6.18269 6.23755 6.33767 6.37852 6.42643 6.50633 6.52642 6.65952 6.77233 7.01653 7.08554 7.36830 7.64475 7.86890 8.05096 8.26529 8.57992 8.75732 9.35911 10.84781 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.016584 B = 0.003224 C = 0.002886 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1687.933278 B = 8682.758904 C = 9699.450434 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.142 4.142 2 C -0.113 4.113 3 C -0.103 4.103 4 C -0.119 4.119 5 C -0.151 4.151 6 C 0.117 3.883 7 N -0.588 5.588 8 C 0.104 3.896 9 C -0.159 4.159 10 C 0.507 3.493 11 O -0.505 6.505 12 C 0.508 3.492 13 O -0.530 6.530 14 N -0.575 5.575 15 C 0.110 3.890 16 C -0.124 4.124 17 C 0.220 3.780 18 O -0.557 6.557 19 C -0.553 4.553 20 H 0.083 0.917 21 C 0.073 3.927 22 N -0.886 5.886 23 Si 0.948 3.052 24 H -0.294 1.294 25 H -0.326 1.326 26 H -0.267 1.267 27 C 0.088 3.912 28 H 0.048 0.952 29 H 0.067 0.933 30 H 0.042 0.958 31 H 0.053 0.947 32 H 0.063 0.937 33 H 0.069 0.931 34 H 0.069 0.931 35 H 0.059 0.941 36 H 0.051 0.949 37 H 0.052 0.948 38 H 0.057 0.943 39 H 0.087 0.913 40 H 0.077 0.923 41 H 0.102 0.898 42 H 0.068 0.932 43 H 0.044 0.956 44 H 0.068 0.932 45 H 0.063 0.937 46 H 0.069 0.931 47 H 0.069 0.931 48 H 0.080 0.920 49 H 0.085 0.915 50 H 0.372 0.628 51 H 0.268 0.732 52 H 0.074 0.926 53 H 0.078 0.922 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.178 17.177 -17.238 24.336 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 -0.199 4.199 2 C -0.151 4.151 3 C -0.123 4.123 4 C -0.157 4.157 5 C -0.208 4.208 6 C -0.006 4.006 7 N -0.322 5.322 8 C -0.018 4.018 9 C -0.217 4.217 10 C 0.290 3.710 11 O -0.380 6.380 12 C 0.291 3.709 13 O -0.409 6.409 14 N -0.307 5.307 15 C -0.013 4.013 16 C -0.162 4.162 17 C 0.179 3.821 18 O -0.365 6.365 19 C -0.591 4.591 20 H 0.101 0.899 21 C -0.133 4.133 22 N -0.521 5.521 23 Si 0.784 3.216 24 H -0.222 1.222 25 H -0.257 1.257 26 H -0.193 1.193 27 C -0.033 4.033 28 H 0.067 0.933 29 H 0.086 0.914 30 H 0.061 0.939 31 H 0.072 0.928 32 H 0.082 0.918 33 H 0.087 0.913 34 H 0.088 0.912 35 H 0.078 0.922 36 H 0.070 0.930 37 H 0.071 0.929 38 H 0.076 0.924 39 H 0.106 0.894 40 H 0.095 0.905 41 H 0.120 0.880 42 H 0.087 0.913 43 H 0.063 0.937 44 H 0.087 0.913 45 H 0.082 0.918 46 H 0.087 0.913 47 H 0.087 0.913 48 H 0.099 0.901 49 H 0.104 0.896 50 H 0.220 0.780 51 H 0.077 0.923 52 H 0.093 0.907 53 H 0.096 0.904 Dipole moment (debyes) X Y Z Total from point charges -0.382 17.114 -17.457 24.449 hybrid contribution 0.663 -0.505 -0.313 0.890 sum 0.281 16.609 -17.770 24.325 Atomic orbital electron populations 1.21772 0.95399 1.01963 1.00774 1.21502 0.96880 0.95168 1.01538 1.21618 1.00306 0.96349 0.94014 1.21555 1.01174 0.98860 0.94111 1.21771 1.01074 1.01176 0.96795 1.21710 0.98472 0.95574 0.84803 1.47824 1.20117 1.31395 1.32822 1.21882 0.83180 0.99871 0.96864 1.22100 1.02102 0.98205 0.99312 1.20243 0.85501 0.80878 0.84337 1.90747 1.22669 1.59562 1.65025 1.19680 0.84850 0.81280 0.85077 1.90677 1.25575 1.60617 1.64021 1.48454 1.28650 1.24131 1.29459 1.22236 0.86475 0.93742 0.98828 1.23024 0.98672 0.96077 0.98436 1.20247 0.87038 0.85737 0.89055 1.86209 1.25746 1.74250 1.50331 1.21107 1.53942 0.92859 0.91148 0.89929 1.25142 0.92704 0.98159 0.97250 1.69952 1.47168 1.11070 1.23872 0.85688 0.78239 0.75773 0.81932 1.22180 1.25713 1.19265 1.23279 0.99385 0.94653 0.86001 0.93271 0.91390 0.93866 0.92837 0.91793 0.91261 0.91225 0.92249 0.92976 0.92914 0.92423 0.89436 0.90484 0.88015 0.91315 0.93656 0.91284 0.91803 0.91282 0.91304 0.90118 0.89632 0.78021 0.92302 0.90749 0.90411 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 -1.58 8.07 37.16 0.30 -1.28 16 2 C -0.11 -1.27 4.79 -26.73 -0.13 -1.39 16 3 C -0.10 -0.93 2.37 -90.62 -0.22 -1.15 16 4 C -0.12 -0.87 5.05 -26.73 -0.14 -1.01 16 5 C -0.15 -1.07 9.53 37.16 0.35 -0.72 16 6 C 0.12 1.11 4.88 -4.04 -0.02 1.09 16 7 N -0.59 -6.97 2.37 -174.19 -0.41 -7.39 16 8 C 0.10 1.13 5.68 -4.04 -0.02 1.11 16 9 C -0.16 -1.71 9.66 37.16 0.36 -1.35 16 10 C 0.51 7.54 6.39 -11.59 -0.07 7.46 16 11 O -0.51 -7.88 9.56 5.50 0.05 -7.83 16 12 C 0.51 8.68 7.68 -11.59 -0.09 8.59 16 13 O -0.53 -9.36 11.66 5.50 0.06 -9.30 16 14 N -0.58 -10.44 3.33 -171.01 -0.57 -11.01 16 15 C 0.11 1.93 5.49 -3.06 -0.02 1.92 16 16 C -0.12 -2.44 5.95 -24.90 -0.15 -2.59 16 17 C 0.22 4.74 0.71 -89.62 -0.06 4.68 16 18 O -0.56 -11.97 8.62 -35.23 -0.30 -12.28 16 19 C -0.55 -14.22 8.87 -34.44 -0.31 -14.53 16 20 H 0.08 2.30 8.00 -52.49 -0.42 1.88 16 21 C 0.07 1.97 5.47 -17.82 -0.10 1.87 16 22 N -0.89 -25.73 13.96 55.43 0.77 -24.95 16 23 Si 0.95 22.82 24.72 -169.99 -4.20 18.61 16 24 H -0.29 -6.91 7.11 56.52 0.40 -6.50 16 25 H -0.33 -8.11 7.11 56.52 0.40 -7.70 16 26 H -0.27 -6.36 5.46 56.52 0.31 -6.05 16 27 C 0.09 1.73 6.10 -2.52 -0.02 1.72 16 28 H 0.05 0.60 8.14 -51.93 -0.42 0.18 16 29 H 0.07 0.82 4.91 -51.93 -0.26 0.57 16 30 H 0.04 0.41 6.63 -51.93 -0.34 0.06 16 31 H 0.05 0.57 6.97 -51.93 -0.36 0.21 16 32 H 0.06 0.89 5.44 -51.93 -0.28 0.61 16 33 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 34 H 0.07 0.53 6.21 -51.93 -0.32 0.20 16 35 H 0.06 0.38 8.14 -51.93 -0.42 -0.05 16 36 H 0.05 0.33 8.14 -51.93 -0.42 -0.10 16 37 H 0.05 0.37 8.14 -51.92 -0.42 -0.05 16 38 H 0.06 0.44 6.96 -51.93 -0.36 0.08 16 39 H 0.09 0.92 5.74 -51.93 -0.30 0.62 16 40 H 0.08 0.58 8.07 -51.93 -0.42 0.17 16 41 H 0.10 1.33 5.84 -51.93 -0.30 1.02 16 42 H 0.07 0.58 8.04 -51.93 -0.42 0.16 16 43 H 0.04 0.43 8.14 -51.93 -0.42 0.00 16 44 H 0.07 0.93 6.45 -51.93 -0.34 0.60 16 45 H 0.06 0.62 8.14 -51.93 -0.42 0.19 16 46 H 0.07 1.15 7.59 -51.93 -0.39 0.75 16 47 H 0.07 1.24 7.70 -51.93 -0.40 0.84 16 48 H 0.08 1.63 6.90 -51.93 -0.36 1.28 16 49 H 0.09 1.64 8.03 -51.93 -0.42 1.22 16 50 H 0.37 7.23 8.48 45.56 0.39 7.62 16 51 H 0.27 7.35 8.31 -40.82 -0.34 7.01 16 52 H 0.07 1.45 8.04 -51.93 -0.42 1.03 16 53 H 0.08 1.54 7.99 -51.93 -0.41 1.12 16 LS Contribution 389.86 15.07 5.88 5.88 Total: -1.00 -29.28 389.86 -7.36 -36.64 By element: Atomic # 1 Polarization: 15.52 SS G_CDS: -8.32 Total: 7.20 kcal Atomic # 6 Polarization: 4.75 SS G_CDS: -0.32 Total: 4.43 kcal Atomic # 7 Polarization: -43.14 SS G_CDS: -0.21 Total: -43.35 kcal Atomic # 8 Polarization: -29.22 SS G_CDS: -0.19 Total: -29.40 kcal Atomic # 14 Polarization: 22.82 SS G_CDS: -4.20 Total: 18.61 kcal Total LS contribution 5.88 Total: 5.88 kcal Total: -29.28 -7.36 -36.64 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. ZINC001332356600.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 -75.698 kcal (2) G-P(sol) polarization free energy of solvation -29.275 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -104.973 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.361 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -36.637 kcal (6) G-S(sol) free energy of system = (1) + (5) -112.335 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.71 seconds