Wall clock time and date at job start Sat Apr 11 2020 06:11:05 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 O 1.45204 * 1 3 3 C 1.34224 * 117.00068 * 2 1 4 4 O 1.20833 * 120.00264 * 0.02562 * 3 2 1 5 5 C 1.50696 * 119.99910 * 179.97438 * 3 2 1 6 6 C 1.53004 * 109.46940 * 60.00501 * 5 3 2 7 7 C 1.52996 * 109.47693 * 300.00637 * 5 3 2 8 8 C 1.53004 * 109.47342 * 180.02562 * 5 3 2 9 9 C 1.52997 * 109.47383 * 180.02562 * 8 5 3 10 10 N 1.46498 * 109.46938 * 180.02562 * 9 8 5 11 11 C 1.34782 * 119.99675 * 180.02562 * 10 9 8 12 12 O 1.21582 * 120.00071 * 4.97931 * 11 10 9 13 13 N 1.34774 * 119.99915 * 184.98301 * 11 10 9 14 14 C 1.46926 * 120.63121 * 174.77166 * 13 11 10 15 15 C 1.53195 * 108.89465 * 126.33965 * 14 13 11 16 16 C 1.53354 * 109.14570 * 54.57617 * 15 14 13 17 17 C 1.53002 * 109.41659 * 178.67459 * 16 15 14 18 18 C 1.50705 * 109.47219 * 295.13248 * 17 16 15 19 19 H 1.08004 * 119.99805 * 359.97438 * 18 17 16 20 20 C 1.37873 * 120.00149 * 179.97438 * 18 17 16 21 21 N 1.31511 * 119.99894 * 179.97438 * 20 18 17 22 22 Si 1.86797 * 119.99932 * 359.97438 * 20 18 17 23 23 H 1.48500 * 109.47110 * 90.00084 * 22 20 18 24 24 H 1.48504 * 109.47198 * 210.00044 * 22 20 18 25 25 H 1.48500 * 109.47417 * 330.00188 * 22 20 18 26 26 C 1.53040 * 109.60905 * 298.70899 * 16 15 14 27 27 C 1.46926 * 120.63157 * 354.78914 * 13 11 10 28 28 H 1.08998 * 109.47323 * 59.99512 * 1 2 3 29 29 H 1.09002 * 109.47722 * 179.97438 * 1 2 3 30 30 H 1.09001 * 109.46730 * 299.99745 * 1 2 3 31 31 H 1.08999 * 109.47555 * 179.97438 * 6 5 3 32 32 H 1.08996 * 109.46966 * 299.99996 * 6 5 3 33 33 H 1.09004 * 109.47035 * 59.99726 * 6 5 3 34 34 H 1.08999 * 109.46894 * 300.00082 * 7 5 3 35 35 H 1.08996 * 109.47028 * 59.99505 * 7 5 3 36 36 H 1.08994 * 109.47663 * 179.97438 * 7 5 3 37 37 H 1.08999 * 109.46688 * 60.00260 * 8 5 3 38 38 H 1.09004 * 109.47092 * 300.00556 * 8 5 3 39 39 H 1.09007 * 109.46974 * 60.00355 * 9 8 5 40 40 H 1.08998 * 109.47220 * 300.00624 * 9 8 5 41 41 H 0.96993 * 120.00686 * 359.97438 * 10 9 8 42 42 H 1.08999 * 109.58363 * 246.19988 * 14 13 11 43 43 H 1.09002 * 109.58625 * 6.48116 * 14 13 11 44 44 H 1.08997 * 109.49623 * 174.65400 * 15 14 13 45 45 H 1.09002 * 109.49577 * 294.75334 * 15 14 13 46 46 H 1.08994 * 109.42367 * 58.75582 * 16 15 14 47 47 H 1.09008 * 109.47043 * 55.12644 * 17 16 15 48 48 H 1.08992 * 109.47289 * 175.12966 * 17 16 15 49 49 H 0.97001 * 120.00130 * 180.02562 * 21 20 18 50 50 H 1.08993 * 109.50186 * 301.42491 * 26 16 15 51 51 H 1.09004 * 109.52060 * 181.34332 * 26 16 15 52 52 H 1.09010 * 109.58451 * 353.37613 * 27 13 11 53 53 H 1.08999 * 109.58904 * 113.65827 * 27 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 8 1.4520 0.0000 0.0000 3 6 2.0614 1.1959 0.0000 4 8 1.4034 2.2094 0.0005 5 6 3.5663 1.2748 0.0006 6 6 4.1138 0.5810 -1.2484 7 6 4.1130 0.5814 1.2500 8 6 4.0002 2.7420 0.0011 9 6 5.5281 2.8220 0.0011 10 7 5.9435 4.2269 0.0022 11 6 7.2539 4.5421 0.0018 12 8 8.0903 3.6646 -0.0908 13 7 7.6372 5.8302 0.1042 14 6 9.0592 6.1811 0.2202 15 6 9.4087 7.2014 -0.8678 16 6 8.4527 8.3959 -0.7629 17 6 8.8175 9.4341 -1.8260 18 6 10.1882 9.9894 -1.5364 19 1 10.7435 9.6374 -0.6796 20 6 10.7334 10.9469 -2.3653 21 7 11.9294 11.4318 -2.1123 22 14 9.7732 11.5552 -3.8477 23 1 8.9445 12.7233 -3.4553 24 1 10.7194 11.9572 -4.9193 25 1 8.8925 10.4688 -4.3469 26 6 7.0141 7.9234 -0.9843 27 6 6.6409 6.9101 0.1023 28 1 -0.3634 0.5139 -0.8899 29 1 -0.3634 -1.0276 -0.0005 30 1 -0.3633 0.5138 0.8900 31 1 5.2023 0.6384 -1.2483 32 1 3.8047 -0.4642 -1.2484 33 1 3.7244 1.0750 -2.1386 34 1 3.7229 1.0756 2.1398 35 1 3.8039 -0.4639 1.2501 36 1 5.2015 0.6380 1.2502 37 1 3.6102 3.2358 0.8911 38 1 3.6108 3.2364 -0.8889 39 1 5.9178 2.3283 -0.8892 40 1 5.9179 2.3275 0.8908 41 1 5.2755 4.9302 0.0024 42 1 9.2496 6.6143 1.2021 43 1 9.6681 5.2863 0.0912 44 1 10.4358 7.5401 -0.7324 45 1 9.3044 6.7374 -1.8486 46 1 8.5396 8.8439 0.2269 47 1 8.8165 8.9632 -2.8091 48 1 8.0870 10.2428 -1.8098 49 1 12.3128 12.1056 -2.6952 50 1 6.9323 7.4529 -1.9640 51 1 6.3383 8.7772 -0.9331 52 1 5.6542 6.4966 -0.1070 53 1 6.6324 7.4011 1.0754 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 ZINC000591994731.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 06:11:05 Heat of formation + Delta-G solvation = -133.037301 kcal Electronic energy + Delta-G solvation = -30113.875880 eV Core-core repulsion = 25985.144691 eV Total energy + Delta-G solvation = -4128.731189 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) -41.24652 -40.27927 -38.09906 -37.33744 -36.60127 -34.53185 -33.96352 -32.10048 -30.82639 -29.53390 -28.38367 -27.94651 -27.91534 -25.27890 -24.51609 -23.06330 -22.41757 -21.61504 -20.15372 -19.86424 -19.08553 -17.89506 -17.69526 -17.25891 -16.84814 -16.66418 -16.08017 -15.91491 -14.99782 -14.81579 -14.43302 -14.34724 -14.20003 -14.05963 -13.87847 -13.63753 -13.35468 -13.22607 -13.12131 -12.94675 -12.92643 -12.50134 -12.41971 -12.35224 -12.03835 -11.88802 -11.84671 -11.50133 -11.44055 -11.33863 -11.24570 -11.12455 -10.85186 -10.67206 -10.64272 -10.34606 -10.02648 -9.79051 -9.67349 -9.47763 -9.16343 -9.05320 -8.52532 -8.28206 -6.03192 -4.00485 1.74342 2.15977 2.73809 3.28618 3.30504 3.38573 3.41940 3.82559 4.06431 4.21395 4.22895 4.45918 4.59474 4.64539 4.69944 4.70725 4.85880 4.97805 5.03460 5.16935 5.17781 5.22466 5.27352 5.28749 5.29883 5.34148 5.45657 5.53203 5.55700 5.57076 5.64910 5.77193 5.79951 5.82237 5.91811 5.92426 6.06768 6.24419 6.32721 6.40840 6.42301 6.57678 6.83858 6.89543 6.98182 7.10649 7.24980 7.27263 7.45189 7.80822 7.99278 8.54930 8.66480 9.01790 9.59827 11.10080 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.022941 B = 0.001856 C = 0.001780 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1220.253683 B =15082.890092 C =15725.721343 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.034 3.966 2 O -0.355 6.355 3 C 0.470 3.530 4 O -0.504 6.504 5 C -0.046 4.046 6 C -0.149 4.149 7 C -0.148 4.148 8 C -0.115 4.115 9 C 0.137 3.863 10 N -0.752 5.752 11 C 0.707 3.293 12 O -0.595 6.595 13 N -0.623 5.623 14 C 0.126 3.874 15 C -0.119 4.119 16 C -0.072 4.072 17 C -0.009 4.009 18 C -0.515 4.515 19 H 0.074 0.926 20 C 0.065 3.935 21 N -0.904 5.904 22 Si 0.878 3.122 23 H -0.278 1.278 24 H -0.289 1.289 25 H -0.266 1.266 26 C -0.133 4.133 27 C 0.114 3.886 28 H 0.063 0.937 29 H 0.102 0.898 30 H 0.063 0.937 31 H 0.081 0.919 32 H 0.072 0.928 33 H 0.063 0.937 34 H 0.062 0.938 35 H 0.072 0.928 36 H 0.081 0.919 37 H 0.080 0.920 38 H 0.080 0.920 39 H 0.071 0.929 40 H 0.070 0.930 41 H 0.396 0.604 42 H 0.062 0.938 43 H 0.087 0.913 44 H 0.089 0.911 45 H 0.057 0.943 46 H 0.064 0.936 47 H 0.015 0.985 48 H 0.011 0.989 49 H 0.262 0.738 50 H 0.061 0.939 51 H 0.070 0.930 52 H 0.067 0.933 53 H 0.068 0.932 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -22.459 -23.714 6.132 33.232 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 -0.060 4.060 2 O -0.272 6.272 3 C 0.313 3.687 4 O -0.391 6.391 5 C -0.048 4.048 6 C -0.206 4.206 7 C -0.205 4.205 8 C -0.153 4.153 9 C 0.013 3.987 10 N -0.410 5.410 11 C 0.409 3.591 12 O -0.474 6.474 13 N -0.360 5.360 14 C 0.004 3.996 15 C -0.157 4.157 16 C -0.090 4.090 17 C -0.047 4.047 18 C -0.553 4.553 19 H 0.092 0.908 20 C -0.135 4.135 21 N -0.543 5.543 22 Si 0.706 3.294 23 H -0.204 1.204 24 H -0.215 1.215 25 H -0.191 1.191 26 C -0.171 4.171 27 C -0.010 4.010 28 H 0.082 0.918 29 H 0.120 0.880 30 H 0.082 0.918 31 H 0.100 0.900 32 H 0.091 0.909 33 H 0.082 0.918 34 H 0.081 0.919 35 H 0.091 0.909 36 H 0.099 0.901 37 H 0.098 0.902 38 H 0.099 0.901 39 H 0.089 0.911 40 H 0.088 0.912 41 H 0.232 0.768 42 H 0.081 0.919 43 H 0.106 0.894 44 H 0.108 0.892 45 H 0.076 0.924 46 H 0.083 0.917 47 H 0.033 0.967 48 H 0.029 0.971 49 H 0.072 0.928 50 H 0.080 0.920 51 H 0.089 0.911 52 H 0.085 0.915 53 H 0.086 0.914 Dipole moment (debyes) X Y Z Total from point charges -21.937 -23.949 6.019 33.031 hybrid contribution -1.144 1.023 -0.887 1.772 sum -23.081 -22.926 5.132 32.934 Atomic orbital electron populations 1.23298 0.76252 1.03808 1.02643 1.86500 1.23409 1.33339 1.83929 1.23720 0.91760 0.81338 0.71892 1.90683 1.67111 1.36372 1.44948 1.20415 0.86816 0.97832 0.99745 1.21995 1.02678 1.00959 0.94935 1.21987 1.02630 1.00977 0.94914 1.21714 0.95278 0.93751 1.04564 1.21259 0.92717 0.81947 1.02794 1.45246 1.06084 1.08330 1.81369 1.15798 0.82495 0.83037 0.77775 1.90887 1.51055 1.47201 1.58239 1.47364 1.08367 1.03675 1.76559 1.21663 0.79147 0.99575 0.99229 1.21969 1.01449 0.94679 0.97641 1.21049 0.91402 0.95732 1.00849 1.19619 0.97183 0.93605 0.94248 1.21141 1.00040 1.21672 1.12486 0.90806 1.25027 0.94771 0.96159 0.97584 1.69912 1.15981 1.29631 1.38769 0.86810 0.80083 0.79409 0.83132 1.20429 1.21498 1.19120 1.22062 0.99144 0.97866 0.98035 1.21664 0.90440 0.88767 1.00097 0.91837 0.87970 0.91845 0.90016 0.90932 0.91814 0.91851 0.90937 0.90058 0.90158 0.90124 0.91062 0.91226 0.76784 0.91934 0.89440 0.89237 0.92434 0.91729 0.96708 0.97119 0.92821 0.92014 0.91121 0.91498 0.91366 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 0.17 10.56 101.05 1.07 1.24 16 2 O -0.36 -2.64 10.37 -39.24 -0.41 -3.05 16 3 C 0.47 4.03 6.55 36.00 0.24 4.27 16 4 O -0.50 -5.68 15.73 -18.76 -0.30 -5.98 16 5 C -0.05 -0.31 0.74 -155.66 -0.11 -0.43 16 6 C -0.15 -0.86 8.05 37.16 0.30 -0.56 16 7 C -0.15 -0.82 8.05 37.16 0.30 -0.52 16 8 C -0.12 -0.85 3.67 -26.73 -0.10 -0.95 16 9 C 0.14 1.24 4.97 -4.04 -0.02 1.22 16 10 N -0.75 -8.24 5.47 -65.23 -0.36 -8.60 16 11 C 0.71 10.59 8.29 -86.91 -0.72 9.86 16 12 O -0.60 -10.97 15.77 5.29 0.08 -10.89 16 13 N -0.62 -9.01 2.97 -178.49 -0.53 -9.54 16 14 C 0.13 1.99 6.43 -3.71 -0.02 1.97 16 15 C -0.12 -2.16 5.21 -26.45 -0.14 -2.29 16 16 C -0.07 -1.32 2.10 -90.41 -0.19 -1.51 16 17 C -0.01 -0.21 3.52 -27.88 -0.10 -0.31 16 18 C -0.52 -14.19 8.94 -34.44 -0.31 -14.50 16 19 H 0.07 2.17 7.30 -52.48 -0.38 1.78 16 20 C 0.07 1.88 5.47 -17.82 -0.10 1.79 16 21 N -0.90 -27.61 13.96 55.43 0.77 -26.84 16 22 Si 0.88 21.64 27.47 -169.99 -4.67 16.97 16 23 H -0.28 -6.74 7.11 56.52 0.40 -6.33 16 24 H -0.29 -7.11 7.11 56.52 0.40 -6.71 16 25 H -0.27 -6.34 6.54 56.52 0.37 -5.97 16 26 C -0.13 -1.95 5.36 -26.61 -0.14 -2.09 16 27 C 0.11 1.38 6.39 -3.71 -0.02 1.35 16 28 H 0.06 0.33 8.13 -51.93 -0.42 -0.09 16 29 H 0.10 0.25 8.14 -51.93 -0.42 -0.18 16 30 H 0.06 0.32 8.13 -51.93 -0.42 -0.10 16 31 H 0.08 0.46 6.43 -51.93 -0.33 0.12 16 32 H 0.07 0.37 8.11 -51.93 -0.42 -0.05 16 33 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 34 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 35 H 0.07 0.35 8.11 -51.93 -0.42 -0.07 16 36 H 0.08 0.43 6.43 -51.93 -0.33 0.09 16 37 H 0.08 0.61 8.10 -51.93 -0.42 0.19 16 38 H 0.08 0.64 8.10 -51.93 -0.42 0.22 16 39 H 0.07 0.68 6.43 -51.92 -0.33 0.35 16 40 H 0.07 0.63 6.43 -51.93 -0.33 0.30 16 41 H 0.40 3.56 5.96 -40.82 -0.24 3.31 16 42 H 0.06 0.92 8.14 -51.93 -0.42 0.50 16 43 H 0.09 1.46 6.99 -51.93 -0.36 1.09 16 44 H 0.09 1.79 6.93 -51.93 -0.36 1.43 16 45 H 0.06 1.09 8.14 -51.93 -0.42 0.66 16 46 H 0.06 1.21 8.14 -51.93 -0.42 0.79 16 47 H 0.01 0.35 7.20 -51.92 -0.37 -0.03 16 48 H 0.01 0.24 7.57 -51.93 -0.39 -0.15 16 49 H 0.26 7.54 8.31 -40.82 -0.34 7.20 16 50 H 0.06 0.94 8.14 -51.93 -0.42 0.52 16 51 H 0.07 0.96 8.14 -51.93 -0.42 0.53 16 52 H 0.07 0.63 5.65 -51.92 -0.29 0.34 16 53 H 0.07 0.77 8.14 -51.93 -0.42 0.35 16 LS Contribution 410.40 15.07 6.18 6.18 Total: -1.00 -34.69 410.40 -8.54 -43.23 By element: Atomic # 1 Polarization: 9.23 SS G_CDS: -9.25 Total: -0.01 kcal Atomic # 6 Polarization: -1.40 SS G_CDS: -0.07 Total: -1.47 kcal Atomic # 7 Polarization: -44.87 SS G_CDS: -0.11 Total: -44.98 kcal Atomic # 8 Polarization: -19.30 SS G_CDS: -0.62 Total: -19.92 kcal Atomic # 14 Polarization: 21.64 SS G_CDS: -4.67 Total: 16.97 kcal Total LS contribution 6.18 Total: 6.18 kcal Total: -34.69 -8.54 -43.23 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. ZINC000591994731.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 -89.807 kcal (2) G-P(sol) polarization free energy of solvation -34.694 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -124.501 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.537 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.230 kcal (6) G-S(sol) free energy of system = (1) + (5) -133.037 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.71 seconds