Wall clock time and date at job start Tue Mar 31 2020 20:49:51 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 1.30998 * 1 3 3 C 1.50698 * 119.99953 * 2 1 4 4 N 1.46503 * 109.47032 * 125.00058 * 3 2 1 5 5 C 1.46496 * 119.99923 * 269.99824 * 4 3 2 6 6 C 1.50706 * 109.46999 * 270.00225 * 5 4 3 7 7 H 1.08003 * 120.00012 * 0.02562 * 6 5 4 8 8 C 1.37873 * 119.99613 * 179.97438 * 6 5 4 9 9 N 1.31516 * 120.00649 * 0.02562 * 8 6 5 10 10 Si 1.86804 * 119.99691 * 179.97438 * 8 6 5 11 11 H 1.48497 * 109.47029 * 0.02562 * 10 8 6 12 12 H 1.48507 * 109.46822 * 120.00390 * 10 8 6 13 13 H 1.48498 * 109.47399 * 240.00112 * 10 8 6 14 14 C 1.34778 * 120.00003 * 90.00418 * 4 3 2 15 15 O 1.21273 * 119.99953 * 180.02562 * 14 4 3 16 16 C 1.50702 * 120.00074 * 359.97438 * 14 4 3 17 17 C 1.53002 * 109.46890 * 185.04312 * 16 14 4 18 18 N 1.46887 * 110.01868 * 54.63485 * 17 16 14 19 19 C 1.47010 * 111.00600 * 58.60658 * 18 17 16 20 20 C 1.53094 * 109.29951 * 182.36846 * 19 18 17 21 21 O 1.43024 * 109.25652 * 303.22410 * 20 19 18 22 22 C 1.43016 * 113.77854 * 58.59572 * 21 20 19 23 23 C 1.47019 * 111.00050 * 182.24392 * 18 17 16 24 24 C 1.54272 * 110.06747 * 176.05105 * 17 16 14 25 25 C 1.54892 * 104.19523 * 95.69626 * 24 17 16 26 26 C 1.54889 * 102.75026 * 37.93797 * 25 24 17 27 27 C 1.53877 * 110.02876 * 293.23926 * 17 16 14 28 28 H 1.07998 * 120.00329 * 0.02562 * 1 2 3 29 29 H 1.08008 * 119.99713 * 179.97438 * 1 2 3 30 30 H 1.08001 * 120.00197 * 180.02562 * 2 1 3 31 31 H 1.08995 * 109.47170 * 4.99453 * 3 2 1 32 32 H 1.09003 * 109.47225 * 244.99970 * 3 2 1 33 33 H 1.09006 * 109.46898 * 29.99867 * 5 4 3 34 34 H 1.08993 * 109.47262 * 150.00324 * 5 4 3 35 35 H 0.96997 * 120.00496 * 179.97438 * 9 8 6 36 36 H 1.09001 * 109.47246 * 65.03906 * 16 14 4 37 37 H 1.09002 * 109.46930 * 305.04101 * 16 14 4 38 38 H 1.09002 * 109.50674 * 302.33288 * 19 18 17 39 39 H 1.09006 * 109.50434 * 62.41003 * 19 18 17 40 40 H 1.09007 * 109.50315 * 63.10937 * 20 19 18 41 41 H 1.08998 * 109.51139 * 183.23879 * 20 19 18 42 42 H 1.08995 * 109.50881 * 181.42215 * 22 21 20 43 43 H 1.09006 * 109.50044 * 61.28992 * 22 21 20 44 44 H 1.08993 * 109.50426 * 297.54180 * 23 18 17 45 45 H 1.09003 * 109.50551 * 57.62700 * 23 18 17 46 46 H 1.08999 * 110.48139 * 214.36758 * 24 17 16 47 47 H 1.08994 * 110.48925 * 337.01562 * 24 17 16 48 48 H 1.09000 * 110.75507 * 279.62682 * 25 24 17 49 49 H 1.08997 * 110.75632 * 156.24815 * 25 24 17 50 50 H 1.08998 * 110.49146 * 203.38137 * 26 25 24 51 51 H 1.09002 * 110.59837 * 80.79073 * 26 25 24 52 52 H 1.09000 * 110.03542 * 359.95267 * 27 17 16 53 53 H 1.08997 * 110.02822 * 121.39055 * 27 17 16 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 1.3100 0.0000 0.0000 3 6 2.0635 1.3051 0.0000 4 7 2.9937 1.3319 1.1314 5 6 2.5588 1.8649 2.4248 6 6 2.8442 3.3437 2.4803 7 1 3.3033 3.8371 1.6363 8 6 2.5184 4.0667 3.6081 9 7 1.9590 3.4660 4.6357 10 14 2.8728 5.8995 3.6772 11 1 3.5015 6.3305 2.4028 12 1 1.6024 6.6421 3.8779 13 1 3.7954 6.1832 4.8056 14 6 4.2497 0.8662 0.9824 15 8 5.0196 0.8879 1.9191 16 6 4.6970 0.3175 -0.3480 17 6 6.1096 -0.2551 -0.2146 18 7 6.1508 -1.2442 0.8705 19 6 5.1990 -2.3371 0.6239 20 6 5.2315 -3.3122 1.8036 21 8 6.5679 -3.7878 1.9859 22 6 7.5213 -2.7497 2.2290 23 6 7.5117 -1.7698 1.0528 24 6 6.5432 -0.9092 -1.5428 25 6 7.3524 0.1968 -2.2646 26 6 8.1213 0.8718 -1.1017 27 6 7.1129 0.8774 0.0658 28 1 -0.5400 0.9353 -0.0004 29 1 -0.5400 -0.9354 -0.0004 30 1 1.8500 -0.9353 -0.0004 31 1 1.3586 2.1316 0.0895 32 1 2.6213 1.4026 -0.9314 33 1 1.4887 1.6966 2.5458 34 1 3.0989 1.3604 3.2259 35 1 1.7300 3.9746 5.4292 36 1 4.6973 1.1167 -1.0892 37 1 4.0138 -0.4709 -0.6641 38 1 4.1944 -1.9277 0.5174 39 1 5.4767 -2.8622 -0.2901 40 1 4.9014 -2.8006 2.7078 41 1 4.5697 -4.1537 1.5987 42 1 8.5152 -3.1851 2.3319 43 1 7.2580 -2.2212 3.1453 44 1 7.8268 -2.2863 0.1462 45 1 8.1954 -0.9462 1.2588 46 1 7.1719 -1.7790 -1.3521 47 1 5.6706 -1.1899 -2.1326 48 1 6.6853 0.9084 -2.7510 49 1 8.0454 -0.2389 -2.9842 50 1 8.4004 1.8909 -1.3695 51 1 9.0058 0.2916 -0.8390 52 1 6.5936 1.8349 0.1060 53 1 7.6305 0.6929 1.0071 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC000359430328.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 20:49:51 Heat of formation + Delta-G solvation = -45.047353 kcal Electronic energy + Delta-G solvation = -32080.218738 eV Core-core repulsion = 28145.759131 eV Total energy + Delta-G solvation = -3934.459607 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.86 seconds Orbital eigenvalues (eV) -40.67876 -38.72505 -37.73023 -35.45635 -34.27596 -33.15705 -31.99426 -31.43798 -30.53585 -28.74073 -27.90899 -26.60166 -25.35575 -24.91565 -23.70694 -22.44693 -21.21284 -20.33515 -19.93082 -18.83032 -18.11478 -16.96219 -16.43771 -16.12842 -16.03076 -15.54319 -15.19493 -15.01044 -14.80450 -14.62640 -14.57442 -14.43016 -14.33595 -13.72526 -13.40051 -13.10089 -12.76580 -12.52073 -12.32683 -12.12335 -11.83897 -11.65223 -11.58454 -11.51859 -11.40734 -11.21408 -11.14552 -11.00816 -10.93785 -10.82400 -10.80557 -10.56771 -10.51752 -10.34491 -10.24087 -10.12586 -9.58463 -9.54875 -9.16132 -8.64507 -8.39087 -7.96852 -7.51943 -5.99422 -4.03697 2.47121 3.31356 3.38984 3.42469 3.65511 3.79123 3.94043 4.11926 4.46937 4.56383 4.61473 4.82624 4.97744 5.07475 5.08710 5.14351 5.20961 5.28351 5.29204 5.33647 5.36238 5.39804 5.42309 5.52839 5.59509 5.62037 5.64030 5.65939 5.69970 5.77541 5.80203 5.85228 5.87105 5.91267 5.99794 6.02389 6.03806 6.10310 6.22110 6.26332 6.35216 6.58531 6.80174 6.94315 7.11500 7.18321 7.24437 7.28811 7.54776 7.67835 7.98566 8.30767 8.57827 8.98191 9.31765 9.61915 11.08415 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.010467 B = 0.004035 C = 0.003845 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2674.524235 B = 6937.972551 C = 7281.209672 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.185 4.185 2 C -0.166 4.166 3 C 0.138 3.862 4 N -0.602 5.602 5 C 0.251 3.749 6 C -0.521 4.521 7 H 0.056 0.944 8 C 0.061 3.939 9 N -0.895 5.895 10 Si 0.895 3.105 11 H -0.274 1.274 12 H -0.285 1.285 13 H -0.283 1.283 14 C 0.508 3.492 15 O -0.505 6.505 16 C -0.130 4.130 17 C 0.134 3.866 18 N -0.499 5.499 19 C 0.018 3.982 20 C 0.065 3.935 21 O -0.390 6.390 22 C 0.064 3.936 23 C 0.017 3.983 24 C -0.156 4.156 25 C -0.119 4.119 26 C -0.129 4.129 27 C -0.105 4.105 28 H 0.098 0.902 29 H 0.093 0.907 30 H 0.101 0.899 31 H 0.084 0.916 32 H 0.070 0.930 33 H 0.027 0.973 34 H 0.042 0.958 35 H 0.261 0.739 36 H 0.089 0.911 37 H 0.080 0.920 38 H 0.082 0.918 39 H 0.037 0.963 40 H 0.063 0.937 41 H 0.092 0.908 42 H 0.092 0.908 43 H 0.062 0.938 44 H 0.039 0.961 45 H 0.088 0.912 46 H 0.070 0.930 47 H 0.065 0.935 48 H 0.067 0.933 49 H 0.061 0.939 50 H 0.064 0.936 51 H 0.060 0.940 52 H 0.071 0.929 53 H 0.080 0.920 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 6.979 -11.538 -14.121 19.526 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 -0.222 4.222 2 C -0.185 4.185 3 C 0.014 3.986 4 N -0.335 5.335 5 C 0.132 3.868 6 C -0.560 4.560 7 H 0.074 0.926 8 C -0.141 4.141 9 N -0.534 5.534 10 Si 0.723 3.277 11 H -0.199 1.199 12 H -0.211 1.211 13 H -0.209 1.209 14 C 0.294 3.706 15 O -0.379 6.379 16 C -0.171 4.171 17 C 0.043 3.957 18 N -0.222 5.222 19 C -0.110 4.110 20 C -0.012 4.012 21 O -0.309 6.309 22 C -0.013 4.013 23 C -0.111 4.111 24 C -0.195 4.195 25 C -0.157 4.157 26 C -0.167 4.167 27 C -0.142 4.142 28 H 0.117 0.883 29 H 0.111 0.889 30 H 0.119 0.881 31 H 0.102 0.898 32 H 0.088 0.912 33 H 0.045 0.955 34 H 0.060 0.940 35 H 0.071 0.929 36 H 0.107 0.893 37 H 0.098 0.902 38 H 0.100 0.900 39 H 0.055 0.945 40 H 0.081 0.919 41 H 0.110 0.890 42 H 0.110 0.890 43 H 0.080 0.920 44 H 0.057 0.943 45 H 0.106 0.894 46 H 0.089 0.911 47 H 0.083 0.917 48 H 0.086 0.914 49 H 0.080 0.920 50 H 0.083 0.917 51 H 0.079 0.921 52 H 0.090 0.910 53 H 0.098 0.902 Dipole moment (debyes) X Y Z Total from point charges 7.244 -11.431 -12.941 18.725 hybrid contribution 0.030 0.930 -0.727 1.181 sum 7.274 -10.500 -13.668 18.708 Atomic orbital electron populations 1.23802 0.95877 1.01676 1.00882 1.23439 0.96347 0.99070 0.99656 1.20511 0.93170 0.95007 0.89948 1.48226 1.10749 1.61343 1.13195 1.19173 0.95062 0.93518 0.79084 1.21487 1.40013 0.93509 1.01027 0.92586 1.24922 0.95206 0.98537 0.95436 1.69945 1.42369 1.35939 1.05171 0.86498 0.77856 0.85314 0.78058 1.19876 1.21074 1.20945 1.20014 0.82216 0.78901 0.89507 1.90690 1.52025 1.54059 1.41136 1.21960 0.96084 1.01055 0.97959 1.21400 0.94552 0.92111 0.87588 1.62352 1.05059 1.12152 1.42661 1.22760 0.98111 0.92680 0.97488 1.22637 0.83816 0.96967 0.97808 1.87916 1.17559 1.32906 1.92517 1.22656 0.92568 0.88679 0.97413 1.22812 0.91868 0.98399 0.97976 1.23115 1.00208 0.98850 0.97354 1.22411 0.98561 0.97492 0.97266 1.22451 0.98142 1.00458 0.95616 1.22189 0.95735 0.98011 0.98302 0.88327 0.88909 0.88118 0.89774 0.91190 0.95469 0.93985 0.92894 0.89316 0.90214 0.90001 0.94450 0.91917 0.88961 0.89001 0.91964 0.94317 0.89351 0.91118 0.91656 0.91411 0.92002 0.91711 0.92093 0.90997 0.90175 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 -0.18 -2.38 14.32 29.02 0.42 -1.96 16 2 C -0.17 -2.32 9.59 -36.03 -0.35 -2.67 16 3 C 0.14 2.22 5.58 -5.19 -0.03 2.19 16 4 N -0.60 -12.43 2.44 -176.43 -0.43 -12.86 16 5 C 0.25 6.53 5.16 -5.19 -0.03 6.51 16 6 C -0.52 -14.71 9.39 -34.44 -0.32 -15.03 16 7 H 0.06 1.58 7.81 -52.48 -0.41 1.17 16 8 C 0.06 1.74 5.46 -17.82 -0.10 1.64 16 9 N -0.89 -26.76 13.29 55.43 0.74 -26.02 16 10 Si 0.89 21.93 29.54 -169.99 -5.02 16.91 16 11 H -0.27 -6.61 7.11 56.52 0.40 -6.21 16 12 H -0.28 -6.81 7.11 56.52 0.40 -6.41 16 13 H -0.28 -6.97 7.11 56.52 0.40 -6.57 16 14 C 0.51 10.02 6.93 -10.98 -0.08 9.95 16 15 O -0.51 -11.95 13.67 5.56 0.08 -11.88 16 16 C -0.13 -1.86 2.37 -27.88 -0.07 -1.93 16 17 C 0.13 1.78 0.16 -130.49 -0.02 1.76 16 18 N -0.50 -7.14 3.13 -217.38 -0.68 -7.82 16 19 C 0.02 0.23 5.01 -3.72 -0.02 0.21 16 20 C 0.06 0.85 7.01 37.21 0.26 1.11 16 21 O -0.39 -5.41 10.82 -35.23 -0.38 -5.79 16 22 C 0.06 0.80 7.01 37.21 0.26 1.06 16 23 C 0.02 0.22 4.99 -3.71 -0.02 0.20 16 24 C -0.16 -1.67 4.64 -25.07 -0.12 -1.78 16 25 C -0.12 -1.16 6.91 -24.74 -0.17 -1.34 16 26 C -0.13 -1.40 6.83 -25.07 -0.17 -1.57 16 27 C -0.10 -1.48 4.37 -25.61 -0.11 -1.59 16 28 H 0.10 1.27 7.84 -52.49 -0.41 0.85 16 29 H 0.09 1.03 8.06 -52.48 -0.42 0.61 16 30 H 0.10 1.32 7.75 -52.49 -0.41 0.91 16 31 H 0.08 1.43 7.72 -51.93 -0.40 1.03 16 32 H 0.07 0.94 6.58 -51.93 -0.34 0.60 16 33 H 0.03 0.73 8.07 -51.93 -0.42 0.31 16 34 H 0.04 1.25 7.42 -51.93 -0.39 0.86 16 35 H 0.26 7.38 8.31 -40.82 -0.34 7.04 16 36 H 0.09 1.17 7.66 -51.93 -0.40 0.77 16 37 H 0.08 1.01 5.92 -51.93 -0.31 0.70 16 38 H 0.08 1.10 6.25 -51.93 -0.32 0.77 16 39 H 0.04 0.45 7.17 -51.93 -0.37 0.08 16 40 H 0.06 0.93 8.14 -51.93 -0.42 0.51 16 41 H 0.09 1.00 8.14 -51.93 -0.42 0.58 16 42 H 0.09 0.93 8.14 -51.93 -0.42 0.51 16 43 H 0.06 0.87 8.14 -51.93 -0.42 0.44 16 44 H 0.04 0.46 6.08 -51.93 -0.32 0.14 16 45 H 0.09 1.10 6.04 -51.93 -0.31 0.79 16 46 H 0.07 0.77 5.61 -51.93 -0.29 0.48 16 47 H 0.06 0.65 7.81 -51.93 -0.41 0.25 16 48 H 0.07 0.65 8.14 -51.93 -0.42 0.22 16 49 H 0.06 0.53 8.14 -51.93 -0.42 0.11 16 50 H 0.06 0.67 8.14 -51.93 -0.42 0.25 16 51 H 0.06 0.61 8.14 -51.93 -0.42 0.19 16 52 H 0.07 1.18 7.28 -51.93 -0.38 0.80 16 53 H 0.08 1.25 6.12 -51.93 -0.32 0.93 16 LS Contribution 400.60 15.07 6.04 6.04 Total: -1.00 -32.49 400.60 -9.46 -41.94 By element: Atomic # 1 Polarization: 11.86 SS G_CDS: -9.14 Total: 2.72 kcal Atomic # 6 Polarization: -2.59 SS G_CDS: -0.66 Total: -3.24 kcal Atomic # 7 Polarization: -46.33 SS G_CDS: -0.37 Total: -46.70 kcal Atomic # 8 Polarization: -17.37 SS G_CDS: -0.31 Total: -17.67 kcal Atomic # 14 Polarization: 21.93 SS G_CDS: -5.02 Total: 16.91 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -32.49 -9.46 -41.94 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. ZINC000359430328.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 -3.102 kcal (2) G-P(sol) polarization free energy of solvation -32.487 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -35.589 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.458 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.945 kcal (6) G-S(sol) free energy of system = (1) + (5) -45.047 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.86 seconds