Wall clock time and date at job start Sat Apr 11 2020 06:14:24 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 1.53002 * 1 3 3 C 1.53000 * 109.46868 * 2 1 4 4 C 1.53005 * 109.47387 * 174.73353 * 3 2 1 5 5 H 1.09003 * 109.46518 * 305.18733 * 4 3 2 6 6 C 1.52992 * 109.47525 * 185.18179 * 4 3 2 7 7 N 1.46505 * 109.47267 * 179.97438 * 6 4 3 8 8 C 1.34775 * 119.99840 * 179.97438 * 7 6 4 9 9 O 1.21345 * 119.99955 * 0.02562 * 8 7 6 10 10 C 1.49449 * 119.99803 * 179.97438 * 8 7 6 11 11 O 1.21348 * 119.99854 * 353.44994 * 10 8 7 12 12 N 1.34773 * 120.00283 * 173.44939 * 10 8 7 13 13 C 1.46932 * 120.62640 * 3.00540 * 12 10 8 14 14 C 1.52763 * 109.00339 * 233.58482 * 13 12 10 15 15 C 1.53036 * 109.38497 * 305.58784 * 14 13 12 16 16 C 1.50705 * 109.44992 * 181.26016 * 15 14 13 17 17 H 1.08001 * 119.99797 * 239.94267 * 16 15 14 18 18 C 1.37871 * 120.00147 * 59.93515 * 16 15 14 19 19 N 1.31512 * 120.00252 * 0.02562 * 18 16 15 20 20 Si 1.86806 * 119.99838 * 180.02562 * 18 16 15 21 21 H 1.48493 * 109.47356 * 0.02562 * 20 18 16 22 22 H 1.48501 * 109.46863 * 120.00181 * 20 18 16 23 23 H 1.48503 * 109.46934 * 239.99871 * 20 18 16 24 24 C 1.53035 * 109.53951 * 61.24153 * 15 14 13 25 25 C 1.46924 * 120.63668 * 183.28662 * 12 10 8 26 26 O 1.42898 * 109.46898 * 65.17931 * 4 3 2 27 27 C 1.42905 * 114.00013 * 249.25135 * 26 4 3 28 28 C 1.53003 * 109.47094 * 174.69183 * 27 26 4 29 29 H 1.08996 * 109.46759 * 180.02562 * 1 2 3 30 30 H 1.08999 * 109.47270 * 299.99861 * 1 2 3 31 31 H 1.09003 * 109.47144 * 59.99879 * 1 2 3 32 32 H 1.08999 * 109.47270 * 240.00139 * 2 1 3 33 33 H 1.09003 * 109.47144 * 120.00120 * 2 1 3 34 34 H 1.09003 * 109.47589 * 54.73328 * 3 2 1 35 35 H 1.08996 * 109.47403 * 294.73309 * 3 2 1 36 36 H 1.09001 * 109.47352 * 300.00274 * 6 4 3 37 37 H 1.09004 * 109.46899 * 59.99792 * 6 4 3 38 38 H 0.96996 * 119.99893 * 359.97438 * 7 6 4 39 39 H 1.08995 * 109.58948 * 353.41466 * 13 12 10 40 40 H 1.08998 * 109.58620 * 113.84829 * 13 12 10 41 41 H 1.09007 * 109.56062 * 185.55286 * 14 13 12 42 42 H 1.08997 * 109.36485 * 65.50495 * 14 13 12 43 43 H 1.09000 * 109.45928 * 301.21891 * 15 14 13 44 44 H 0.97006 * 120.00265 * 179.97438 * 19 18 16 45 45 H 1.09001 * 109.49826 * 178.68046 * 24 15 14 46 46 H 1.09008 * 109.52056 * 58.60257 * 24 15 14 47 47 H 1.08993 * 109.58844 * 246.15705 * 25 12 10 48 48 H 1.09005 * 109.58196 * 6.43617 * 25 12 10 49 49 H 1.08995 * 109.46896 * 54.69032 * 27 26 4 50 50 H 1.09004 * 109.46836 * 294.68843 * 27 26 4 51 51 H 1.08995 * 109.46929 * 180.02562 * 28 27 26 52 52 H 1.09000 * 109.46567 * 299.99814 * 28 27 26 53 53 H 1.08999 * 109.46973 * 59.99518 * 28 27 26 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 2.0400 1.4425 0.0000 4 6 3.5643 1.4447 0.1324 5 1 3.8527 0.8789 1.0183 6 6 4.0629 2.8852 0.2623 7 7 5.5224 2.8872 0.3897 8 6 6.1862 4.0533 0.5170 9 8 5.5748 5.1014 0.5266 10 6 7.6749 4.0552 0.6475 11 8 8.2756 3.0067 0.7585 12 7 8.3504 5.2215 0.6420 13 6 7.6327 6.5018 0.5745 14 6 8.1859 7.3214 -0.5899 15 6 9.7028 7.4578 -0.4397 16 6 10.2461 8.2922 -1.5710 17 1 10.9777 7.8746 -2.2469 18 6 9.8091 9.5884 -1.7432 19 7 8.9185 10.0970 -0.9199 20 14 10.4821 10.6224 -3.1459 21 1 11.4635 9.8236 -3.9231 22 1 9.3669 11.0364 -4.0349 23 1 11.1503 11.8288 -2.5952 24 6 10.3474 6.0702 -0.4742 25 6 9.8185 5.2367 0.6971 26 8 4.1439 0.8427 -1.0267 27 6 4.7563 -0.4245 -0.7789 28 6 5.2228 -1.0331 -2.1029 29 1 -0.3633 -1.0276 0.0005 30 1 -0.3634 0.5138 0.8900 31 1 -0.3633 0.5139 -0.8900 32 1 1.8934 -0.5138 -0.8900 33 1 1.8934 -0.5139 0.8900 34 1 1.6017 1.9829 0.8391 35 1 1.7557 1.9284 -0.9333 36 1 3.7744 3.4509 -0.6236 37 1 3.6207 3.3444 1.1465 38 1 6.0110 2.0493 0.3824 39 1 6.5701 6.3173 0.4173 40 1 7.7767 7.0509 1.5050 41 1 7.7297 8.3114 -0.5887 42 1 7.9572 6.8162 -1.5283 43 1 9.9316 7.9410 0.5102 44 1 8.6113 11.0092 -1.0408 45 1 11.4296 6.1697 -0.3907 46 1 10.0988 5.5764 -1.4137 47 1 10.1443 5.6804 1.6378 48 1 10.1974 4.2173 0.6234 49 1 4.0343 -1.0909 -0.3071 50 1 5.6132 -0.2909 -0.1186 51 1 5.6895 -1.9998 -1.9139 52 1 4.3659 -1.1666 -2.7632 53 1 5.9448 -0.3666 -2.5748 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 ZINC001331399120.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 06:14:24 Heat of formation + Delta-G solvation = -123.591738 kcal Electronic energy + Delta-G solvation = -30624.933958 eV Core-core repulsion = 26496.612359 eV Total energy + Delta-G solvation = -4128.321599 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.01 seconds Orbital eigenvalues (eV) -40.69693 -39.30154 -38.26974 -36.98273 -35.35516 -34.77119 -33.39727 -31.89271 -31.18611 -30.03562 -29.95523 -27.20774 -26.22931 -24.27752 -23.21329 -22.52305 -22.26366 -21.70336 -21.44673 -20.21339 -18.89251 -17.51906 -17.29198 -16.82083 -16.33505 -16.05738 -15.76070 -15.61583 -15.17372 -15.02833 -14.51126 -14.32815 -14.19474 -13.90092 -13.70785 -13.55257 -13.30761 -13.01458 -12.87961 -12.78299 -12.56872 -12.34913 -12.31866 -12.24886 -11.96014 -11.73901 -11.55900 -11.39194 -11.33183 -11.16963 -10.97986 -10.94424 -10.80071 -10.53041 -10.32768 -10.04811 -9.86382 -9.66245 -9.31989 -9.19290 -9.14773 -8.47355 -8.27995 -8.05654 -5.98052 -4.04455 1.65202 2.51643 3.25481 3.30232 3.38497 3.42321 3.46331 3.76555 4.25064 4.44493 4.45706 4.54873 4.60889 4.71333 4.72846 4.84899 4.97042 5.04818 5.14703 5.19086 5.25801 5.31664 5.41430 5.46328 5.49945 5.58401 5.61736 5.66738 5.72689 5.80059 5.85485 5.88490 5.91411 5.92381 6.08109 6.14430 6.28500 6.50129 6.64967 6.77255 6.84504 6.88165 7.01164 7.14034 7.20393 7.34786 7.69983 7.82822 7.94410 8.00216 8.11779 8.28532 8.45182 8.98994 9.60292 11.07381 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.016206 B = 0.002235 C = 0.002160 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1727.387828 B =12524.848739 C =12961.292647 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.152 4.152 2 C -0.123 4.123 3 C -0.131 4.131 4 C 0.078 3.922 5 H 0.071 0.929 6 C 0.111 3.889 7 N -0.699 5.699 8 C 0.511 3.489 9 O -0.502 6.502 10 C 0.500 3.500 11 O -0.548 6.548 12 N -0.558 5.558 13 C 0.042 3.958 14 C -0.120 4.120 15 C 0.045 3.955 16 C -0.512 4.512 17 H 0.055 0.945 18 C 0.060 3.940 19 N -0.890 5.890 20 Si 0.890 3.110 21 H -0.274 1.274 22 H -0.284 1.284 23 H -0.285 1.285 24 C -0.122 4.122 25 C 0.106 3.894 26 O -0.375 6.375 27 C 0.054 3.946 28 C -0.152 4.152 29 H 0.053 0.947 30 H 0.054 0.946 31 H 0.055 0.945 32 H 0.066 0.934 33 H 0.058 0.942 34 H 0.077 0.923 35 H 0.077 0.923 36 H 0.083 0.917 37 H 0.085 0.915 38 H 0.410 0.590 39 H 0.144 0.856 40 H 0.059 0.941 41 H 0.105 0.895 42 H 0.035 0.965 43 H 0.027 0.973 44 H 0.260 0.740 45 H 0.063 0.937 46 H 0.052 0.948 47 H 0.066 0.934 48 H 0.080 0.920 49 H 0.050 0.950 50 H 0.049 0.951 51 H 0.070 0.930 52 H 0.061 0.939 53 H 0.066 0.934 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -14.237 -21.519 4.200 26.142 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 -0.210 4.210 2 C -0.161 4.161 3 C -0.169 4.169 4 C 0.020 3.980 5 H 0.089 0.911 6 C -0.012 4.012 7 N -0.352 5.352 8 C 0.294 3.706 9 O -0.378 6.378 10 C 0.282 3.718 11 O -0.428 6.428 12 N -0.289 5.289 13 C -0.078 4.078 14 C -0.159 4.159 15 C 0.026 3.974 16 C -0.550 4.550 17 H 0.073 0.927 18 C -0.140 4.140 19 N -0.529 5.529 20 Si 0.718 3.282 21 H -0.199 1.199 22 H -0.211 1.211 23 H -0.211 1.211 24 C -0.160 4.160 25 C -0.015 4.015 26 O -0.294 6.294 27 C -0.023 4.023 28 C -0.210 4.210 29 H 0.072 0.928 30 H 0.073 0.927 31 H 0.074 0.926 32 H 0.085 0.915 33 H 0.077 0.923 34 H 0.096 0.904 35 H 0.096 0.904 36 H 0.101 0.899 37 H 0.103 0.897 38 H 0.246 0.754 39 H 0.160 0.840 40 H 0.077 0.923 41 H 0.123 0.877 42 H 0.054 0.946 43 H 0.045 0.955 44 H 0.070 0.930 45 H 0.081 0.919 46 H 0.071 0.929 47 H 0.085 0.915 48 H 0.098 0.902 49 H 0.068 0.932 50 H 0.068 0.932 51 H 0.089 0.911 52 H 0.081 0.919 53 H 0.085 0.915 Dipole moment (debyes) X Y Z Total from point charges -14.455 -21.029 4.114 25.848 hybrid contribution 0.673 0.264 -0.540 0.903 sum -13.781 -20.766 3.574 25.177 Atomic orbital electron populations 1.21766 0.95580 1.01636 1.01976 1.21511 0.96108 0.96421 1.02049 1.21946 0.93415 0.97933 1.03630 1.22407 0.93578 0.92885 0.89124 0.91118 1.21773 0.79571 0.96475 1.03394 1.45635 1.07691 1.09128 1.72756 1.20413 0.89112 0.83973 0.77128 1.90363 1.69029 1.29427 1.48995 1.19817 0.87694 0.84671 0.79666 1.90683 1.69639 1.31136 1.51314 1.48259 1.07728 1.06436 1.66492 1.23485 1.01434 0.82100 1.00761 1.21895 0.99469 1.00517 0.93991 1.18694 0.91492 0.89628 0.97541 1.21230 1.23669 0.97108 1.12979 0.92696 1.24969 0.95079 0.97804 0.96198 1.69860 1.30723 1.15180 1.37113 0.86566 0.78869 0.80289 0.82444 1.19876 1.21059 1.21087 1.22012 0.99813 0.98382 0.95839 1.21888 0.78153 1.01399 1.00104 1.88002 1.74673 1.34228 1.32522 1.22635 0.96293 0.84943 0.98404 1.21746 1.02012 1.00527 0.96677 0.92796 0.92696 0.92557 0.91495 0.92333 0.90447 0.90415 0.89920 0.89722 0.75388 0.84027 0.92304 0.87697 0.94598 0.95472 0.93038 0.91889 0.92903 0.91549 0.90176 0.93223 0.93228 0.91119 0.91942 0.91530 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 -0.15 -0.82 9.91 37.16 0.37 -0.45 16 2 C -0.12 -0.72 5.12 -26.73 -0.14 -0.86 16 3 C -0.13 -0.85 4.92 -26.73 -0.13 -0.98 16 4 C 0.08 0.61 2.32 -26.73 -0.06 0.55 16 5 H 0.07 0.47 7.63 -51.93 -0.40 0.07 16 6 C 0.11 1.11 5.37 -4.04 -0.02 1.09 16 7 N -0.70 -8.69 5.44 -60.73 -0.33 -9.02 16 8 C 0.51 8.22 7.81 -11.59 -0.09 8.13 16 9 O -0.50 -8.94 13.02 5.50 0.07 -8.87 16 10 C 0.50 9.02 7.76 -11.59 -0.09 8.93 16 11 O -0.55 -10.26 15.92 5.50 0.09 -10.17 16 12 N -0.56 -10.72 2.98 -173.54 -0.52 -11.24 16 13 C 0.04 0.86 6.22 -3.93 -0.02 0.83 16 14 C -0.12 -2.86 5.14 -26.83 -0.14 -3.00 16 15 C 0.04 1.11 2.07 -91.73 -0.19 0.92 16 16 C -0.51 -13.98 8.56 -34.44 -0.29 -14.28 16 17 H 0.05 1.49 7.74 -52.49 -0.41 1.09 16 18 C 0.06 1.67 5.30 -17.82 -0.09 1.57 16 19 N -0.89 -25.17 11.31 55.43 0.63 -24.55 16 20 Si 0.89 21.32 29.54 -169.99 -5.02 16.30 16 21 H -0.27 -6.50 7.11 56.52 0.40 -6.10 16 22 H -0.28 -6.80 7.11 56.52 0.40 -6.39 16 23 H -0.28 -6.78 7.11 56.52 0.40 -6.38 16 24 C -0.12 -2.56 5.30 -26.62 -0.14 -2.70 16 25 C 0.11 1.98 6.43 -3.72 -0.02 1.95 16 26 O -0.37 -3.50 9.38 -35.23 -0.33 -3.83 16 27 C 0.05 0.40 6.14 37.16 0.23 0.63 16 28 C -0.15 -1.08 10.28 37.16 0.38 -0.70 16 29 H 0.05 0.26 8.14 -51.93 -0.42 -0.16 16 30 H 0.05 0.28 8.14 -51.93 -0.42 -0.15 16 31 H 0.06 0.31 8.14 -51.93 -0.42 -0.11 16 32 H 0.07 0.44 7.55 -51.93 -0.39 0.05 16 33 H 0.06 0.31 8.14 -51.93 -0.42 -0.11 16 34 H 0.08 0.43 8.14 -51.93 -0.42 0.01 16 35 H 0.08 0.56 8.14 -51.93 -0.42 0.14 16 36 H 0.08 0.92 8.14 -51.93 -0.42 0.50 16 37 H 0.08 0.77 8.14 -51.93 -0.42 0.35 16 38 H 0.41 4.75 7.84 -40.82 -0.32 4.43 16 39 H 0.14 2.87 3.74 -57.10 -0.21 2.66 16 40 H 0.06 1.19 8.14 -51.93 -0.42 0.77 16 41 H 0.10 2.77 6.03 -51.93 -0.31 2.46 16 42 H 0.04 0.87 8.14 -51.93 -0.42 0.45 16 43 H 0.03 0.72 8.14 -51.93 -0.42 0.30 16 44 H 0.26 7.02 8.31 -40.82 -0.34 6.68 16 45 H 0.06 1.25 8.14 -51.93 -0.42 0.83 16 46 H 0.05 1.14 8.14 -51.92 -0.42 0.71 16 47 H 0.07 1.17 8.14 -51.93 -0.42 0.74 16 48 H 0.08 1.42 7.02 -51.93 -0.36 1.06 16 49 H 0.05 0.30 7.26 -51.93 -0.38 -0.08 16 50 H 0.05 0.36 8.14 -51.93 -0.42 -0.06 16 51 H 0.07 0.39 8.14 -51.93 -0.42 -0.03 16 52 H 0.06 0.44 8.14 -51.93 -0.42 0.01 16 53 H 0.07 0.56 8.14 -51.93 -0.42 0.13 16 LS Contribution 417.21 15.07 6.29 6.29 Total: -1.00 -30.49 417.21 -9.11 -39.61 By element: Atomic # 1 Polarization: 13.38 SS G_CDS: -9.53 Total: 3.85 kcal Atomic # 6 Polarization: 2.09 SS G_CDS: -0.46 Total: 1.63 kcal Atomic # 7 Polarization: -44.59 SS G_CDS: -0.22 Total: -44.81 kcal Atomic # 8 Polarization: -22.70 SS G_CDS: -0.17 Total: -22.87 kcal Atomic # 14 Polarization: 21.32 SS G_CDS: -5.02 Total: 16.30 kcal Total LS contribution 6.29 Total: 6.29 kcal Total: -30.49 -9.11 -39.61 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. ZINC001331399120.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 -83.984 kcal (2) G-P(sol) polarization free energy of solvation -30.494 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -114.479 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.113 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.607 kcal (6) G-S(sol) free energy of system = (1) + (5) -123.592 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.02 seconds