Wall clock time and date at job start Wed Apr 1 2020 00:17:40 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 H 1.09006 * 110.32572 * 2 1 4 4 O 1.44493 * 110.36705 * 237.65027 * 2 1 3 5 5 C 1.44606 * 105.41010 * 201.15859 * 4 2 1 6 6 C 1.53706 * 104.64729 * 39.76151 * 5 4 2 7 7 C 1.53627 * 110.48839 * 95.56842 * 6 5 4 8 8 C 1.55746 * 102.01153 * 143.16968 * 7 6 5 9 9 C 1.55016 * 100.91667 * 326.51929 * 8 7 6 10 10 H 1.09002 * 110.30379 * 277.02577 * 9 8 7 11 11 C 1.53002 * 110.30579 * 154.97132 * 9 8 7 12 12 N 1.46495 * 109.47254 * 181.37671 * 11 9 8 13 13 C 1.34772 * 120.00186 * 179.97438 * 12 11 9 14 14 O 1.21591 * 120.00034 * 0.02562 * 13 12 11 15 15 N 1.34777 * 120.00612 * 179.97438 * 13 12 11 16 16 C 1.46494 * 120.00524 * 179.97438 * 15 13 12 17 17 C 1.52998 * 109.47336 * 179.97438 * 16 15 13 18 18 C 1.53000 * 109.47399 * 180.02562 * 17 16 15 19 19 C 1.50697 * 109.47188 * 180.02562 * 18 17 16 20 20 H 1.07996 * 120.00210 * 359.97438 * 19 18 17 21 21 C 1.37882 * 119.99974 * 179.97438 * 19 18 17 22 22 N 1.31511 * 120.00035 * 179.97438 * 21 19 18 23 23 Si 1.86792 * 119.99812 * 0.02562 * 21 19 18 24 24 H 1.48502 * 109.47446 * 89.99938 * 23 21 19 25 25 H 1.48501 * 109.47315 * 209.99685 * 23 21 19 26 26 H 1.48504 * 109.47527 * 329.99707 * 23 21 19 27 27 O 1.42365 * 111.29773 * 216.19434 * 6 5 4 28 28 C 1.53748 * 104.83771 * 336.57037 * 6 5 4 29 29 H 1.08999 * 110.55987 * 118.35628 * 28 6 5 30 30 C 1.52997 * 110.56315 * 241.19764 * 28 6 5 31 31 H 1.09002 * 109.46677 * 297.76000 * 1 2 3 32 32 H 1.08996 * 109.47176 * 57.75402 * 1 2 3 33 33 H 1.08990 * 109.47375 * 177.76121 * 1 2 3 34 34 H 1.09002 * 110.40503 * 280.97129 * 5 4 2 35 35 H 1.09001 * 110.40409 * 158.55327 * 5 4 2 36 36 H 1.08997 * 110.92641 * 261.34094 * 7 6 5 37 37 H 1.08998 * 110.93037 * 24.99950 * 7 6 5 38 38 H 1.08998 * 111.20850 * 208.59793 * 8 7 6 39 39 H 1.09004 * 111.11585 * 84.40071 * 8 7 6 40 40 H 1.09003 * 109.46753 * 301.37676 * 11 9 8 41 41 H 1.09000 * 109.47075 * 61.37006 * 11 9 8 42 42 H 0.97000 * 120.00224 * 359.97438 * 12 11 9 43 43 H 0.97005 * 119.99311 * 0.02562 * 15 13 12 44 44 H 1.08992 * 109.47203 * 300.00153 * 16 15 13 45 45 H 1.09002 * 109.46895 * 60.00491 * 16 15 13 46 46 H 1.09002 * 109.47304 * 300.00297 * 17 16 15 47 47 H 1.08999 * 109.46854 * 60.00055 * 17 16 15 48 48 H 1.09002 * 109.46908 * 300.00261 * 18 17 16 49 49 H 1.08999 * 109.47300 * 60.00049 * 18 17 16 50 50 H 0.96998 * 119.99993 * 179.97438 * 22 21 19 51 51 H 1.08998 * 109.47041 * 60.00427 * 30 28 6 52 52 H 1.09004 * 109.47397 * 179.97438 * 30 28 6 53 53 H 1.09003 * 109.47783 * 300.00215 * 30 28 6 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 1 1.9087 1.0222 0.0000 4 8 2.0329 -0.7248 -1.1444 5 6 3.3854 -1.1006 -0.7972 6 6 3.3092 -1.5019 0.6846 7 6 3.1413 -3.0228 0.8218 8 6 3.9987 -3.3309 2.0850 9 6 5.1250 -2.2757 1.9398 10 1 5.8985 -2.6388 1.2631 11 6 5.7276 -1.9507 3.3081 12 7 6.7662 -0.9291 3.1540 13 6 7.4387 -0.4836 4.2337 14 8 7.1837 -0.9299 5.3356 15 7 8.3945 0.4560 4.0920 16 6 9.1251 0.9406 5.2656 17 6 10.1458 1.9945 4.8317 18 6 10.9093 2.5002 6.0574 19 6 11.9142 3.5386 5.6300 20 1 12.0002 3.8104 4.5884 21 6 12.7241 4.1418 6.5689 22 7 13.6014 5.0477 6.1959 23 14 12.5759 3.6712 8.3705 24 1 13.4961 2.5433 8.6649 25 1 12.9348 4.8367 9.2178 26 1 11.1791 3.2592 8.6614 27 8 4.4843 -1.1117 1.3872 28 6 2.0683 -0.7735 1.2264 29 1 1.3283 -1.4905 1.5818 30 6 2.4593 0.1957 2.3438 31 1 -0.3633 0.4787 0.9094 32 1 -0.3633 0.5483 -0.8691 33 1 -0.3633 -1.0268 -0.0401 34 1 4.0602 -0.2545 -0.9274 35 1 3.7126 -1.9454 -1.4033 36 1 2.0965 -3.2858 0.9871 37 1 3.5375 -3.5387 -0.0527 38 1 4.4020 -4.3429 2.0506 39 1 3.4251 -3.1697 2.9978 40 1 4.9461 -1.5774 3.9699 41 1 6.1656 -2.8526 3.7357 42 1 6.9699 -0.5732 2.2749 43 1 8.5982 0.8118 3.2128 44 1 8.4238 1.3831 5.9729 45 1 9.6432 0.1075 5.7406 46 1 10.8472 1.5515 4.1245 47 1 9.6281 2.8276 4.3564 48 1 10.2082 2.9430 6.7649 49 1 11.4270 1.6668 6.5323 50 1 14.1708 5.4722 6.8565 51 1 3.1610 0.9339 1.9555 52 1 1.5679 0.7020 2.7141 53 1 2.9277 -0.3578 3.1577 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 ZINC000884124127.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:17:40 Heat of formation + Delta-G solvation = -139.204557 kcal Electronic energy + Delta-G solvation = -30026.082521 eV Core-core repulsion = 25897.083900 eV Total energy + Delta-G solvation = -4128.998621 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) -41.40241 -39.82544 -38.57541 -35.73057 -34.73446 -33.74859 -33.27582 -32.81190 -31.85206 -31.20810 -29.46015 -27.68099 -26.59874 -24.87708 -23.84046 -22.65903 -22.09104 -21.51385 -20.83733 -20.44660 -20.21077 -18.14737 -17.23762 -16.88485 -16.78407 -16.40589 -16.19445 -15.93000 -15.56103 -14.97947 -14.63860 -14.48990 -14.26749 -14.19988 -13.90447 -13.80399 -13.67693 -13.23085 -12.97575 -12.93460 -12.67814 -12.60066 -12.48049 -12.24753 -12.23134 -11.97228 -11.92039 -11.85563 -11.58842 -11.32618 -11.17586 -11.04101 -10.87315 -10.84149 -10.28334 -10.25628 -9.98740 -9.85501 -9.80394 -9.66091 -9.23311 -9.20996 -8.63705 -8.53995 -6.04930 -4.03445 2.72381 3.07067 3.32622 3.35153 3.40086 3.44884 3.45559 3.83873 3.94514 4.03767 4.23458 4.27060 4.43173 4.45926 4.55232 4.62701 4.78326 4.82376 4.83408 4.93028 5.05733 5.08168 5.11670 5.16361 5.23381 5.25917 5.29268 5.33531 5.42961 5.44347 5.53438 5.55898 5.58779 5.61444 5.67125 5.72383 5.77244 5.99432 6.06680 6.26922 6.39093 6.41437 6.49757 6.62755 6.72604 6.85355 7.03330 7.25758 7.39003 7.77452 8.13184 8.51806 8.72730 8.99051 9.57413 11.08299 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.019488 B = 0.001749 C = 0.001689 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1436.426755 B =16004.784614 C =16576.166950 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.147 4.147 2 C 0.073 3.927 3 H 0.073 0.927 4 O -0.369 6.369 5 C 0.044 3.956 6 C 0.078 3.922 7 C -0.137 4.137 8 C -0.147 4.147 9 C 0.066 3.934 10 H 0.081 0.919 11 C 0.145 3.855 12 N -0.746 5.746 13 C 0.701 3.299 14 O -0.597 6.597 15 N -0.741 5.741 16 C 0.133 3.867 17 C -0.113 4.113 18 C -0.011 4.011 19 C -0.521 4.521 20 H 0.072 0.928 21 C 0.066 3.934 22 N -0.903 5.903 23 Si 0.880 3.120 24 H -0.277 1.277 25 H -0.288 1.288 26 H -0.264 1.264 27 O -0.347 6.347 28 C -0.124 4.124 29 H 0.088 0.912 30 C -0.129 4.129 31 H 0.071 0.929 32 H 0.063 0.937 33 H 0.063 0.937 34 H 0.071 0.929 35 H 0.096 0.904 36 H 0.087 0.913 37 H 0.081 0.919 38 H 0.089 0.911 39 H 0.084 0.916 40 H 0.071 0.929 41 H 0.078 0.922 42 H 0.398 0.602 43 H 0.395 0.605 44 H 0.061 0.939 45 H 0.061 0.939 46 H 0.060 0.940 47 H 0.060 0.940 48 H 0.019 0.981 49 H 0.015 0.985 50 H 0.263 0.737 51 H 0.062 0.938 52 H 0.053 0.947 53 H 0.062 0.938 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -27.472 -18.062 -15.309 36.268 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 -0.204 4.204 2 C 0.015 3.985 3 H 0.091 0.909 4 O -0.288 6.288 5 C -0.034 4.034 6 C 0.038 3.962 7 C -0.175 4.175 8 C -0.185 4.185 9 C 0.008 3.992 10 H 0.099 0.901 11 C 0.020 3.980 12 N -0.402 5.402 13 C 0.401 3.599 14 O -0.476 6.476 15 N -0.396 5.396 16 C 0.010 3.990 17 C -0.151 4.151 18 C -0.049 4.049 19 C -0.559 4.559 20 H 0.090 0.910 21 C -0.135 4.135 22 N -0.542 5.542 23 Si 0.707 3.293 24 H -0.203 1.203 25 H -0.214 1.214 26 H -0.189 1.189 27 O -0.266 6.266 28 C -0.143 4.143 29 H 0.107 0.893 30 C -0.187 4.187 31 H 0.090 0.910 32 H 0.082 0.918 33 H 0.082 0.918 34 H 0.089 0.911 35 H 0.114 0.886 36 H 0.105 0.895 37 H 0.100 0.900 38 H 0.107 0.893 39 H 0.103 0.897 40 H 0.089 0.911 41 H 0.096 0.904 42 H 0.232 0.768 43 H 0.229 0.771 44 H 0.080 0.920 45 H 0.080 0.920 46 H 0.078 0.922 47 H 0.079 0.921 48 H 0.037 0.963 49 H 0.033 0.967 50 H 0.073 0.927 51 H 0.081 0.919 52 H 0.072 0.928 53 H 0.081 0.919 Dipole moment (debyes) X Y Z Total from point charges -27.604 -18.179 -14.361 36.038 hybrid contribution 0.371 0.042 0.241 0.444 sum -27.233 -18.137 -14.120 35.637 Atomic orbital electron populations 1.21809 0.93043 1.02891 1.02625 1.23153 0.95355 0.95605 0.84367 0.90918 1.89186 1.27049 1.74470 1.38084 1.23627 0.85260 1.00924 0.93554 1.22796 0.86569 0.94572 0.92244 1.23178 1.01883 0.93845 0.98565 1.23327 0.96401 0.99736 0.99041 1.23375 0.95223 0.85973 0.94638 0.90127 1.21278 0.90003 0.91727 0.94964 1.44950 1.40828 1.45080 1.09370 1.15986 0.79598 0.80039 0.84292 1.90911 1.70094 1.62024 1.24541 1.45316 1.39507 1.42834 1.11906 1.21499 0.93839 0.97340 0.86330 1.21705 0.96321 0.96344 1.00728 1.19503 0.95561 0.96398 0.93457 1.21102 1.17877 1.20791 0.96167 0.91020 1.25032 0.94841 0.94638 0.99024 1.69912 1.22705 1.27201 1.34406 0.86772 0.79157 0.78088 0.85263 1.20259 1.21392 1.18862 1.88445 1.37705 1.30072 1.70392 1.22815 0.96186 0.98627 0.96647 0.89326 1.21537 1.00918 0.98732 0.97468 0.90977 0.91764 0.91826 0.91094 0.88608 0.89473 0.90007 0.89260 0.89703 0.91117 0.90435 0.76785 0.77137 0.92023 0.92025 0.92170 0.92130 0.96279 0.96715 0.92724 0.91935 0.92826 0.91919 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 9.52 37.16 0.35 -0.47 16 2 C 0.07 0.52 3.50 -25.86 -0.09 0.43 16 3 H 0.07 0.54 7.83 -51.93 -0.41 0.14 16 4 O -0.37 -3.21 11.35 -35.23 -0.40 -3.61 16 5 C 0.04 0.31 6.96 37.52 0.26 0.57 16 6 C 0.08 0.52 1.24 -89.54 -0.11 0.40 16 7 C -0.14 -0.67 6.12 -24.94 -0.15 -0.82 16 8 C -0.15 -0.70 6.60 -24.20 -0.16 -0.86 16 9 C 0.07 0.42 3.50 -25.67 -0.09 0.33 16 10 H 0.08 0.45 8.14 -51.93 -0.42 0.03 16 11 C 0.15 1.31 5.40 -4.04 -0.02 1.28 16 12 N -0.75 -7.94 5.50 -65.23 -0.36 -8.30 16 13 C 0.70 10.49 8.57 -86.92 -0.74 9.75 16 14 O -0.60 -11.43 16.34 5.29 0.09 -11.34 16 15 N -0.74 -10.54 5.56 -65.23 -0.36 -10.91 16 16 C 0.13 2.28 5.67 -4.05 -0.02 2.25 16 17 C -0.11 -2.14 5.27 -26.73 -0.14 -2.28 16 18 C -0.01 -0.26 4.04 -27.88 -0.11 -0.38 16 19 C -0.52 -14.78 9.66 -34.44 -0.33 -15.12 16 20 H 0.07 2.16 7.99 -52.49 -0.42 1.74 16 21 C 0.07 1.92 5.47 -17.82 -0.10 1.83 16 22 N -0.90 -27.87 13.96 55.43 0.77 -27.10 16 23 Si 0.88 21.89 27.47 -169.99 -4.67 17.22 16 24 H -0.28 -6.77 7.11 56.52 0.40 -6.37 16 25 H -0.29 -7.09 7.11 56.52 0.40 -6.69 16 26 H -0.26 -6.34 6.54 56.52 0.37 -5.97 16 27 O -0.35 -2.67 8.67 -35.23 -0.31 -2.97 16 28 C -0.12 -0.82 2.89 -89.36 -0.26 -1.08 16 29 H 0.09 0.52 6.98 -51.93 -0.36 0.16 16 30 C -0.13 -0.96 8.22 37.16 0.31 -0.66 16 31 H 0.07 0.32 8.14 -51.93 -0.42 -0.10 16 32 H 0.06 0.36 8.14 -51.93 -0.42 -0.06 16 33 H 0.06 0.34 8.14 -51.93 -0.42 -0.08 16 34 H 0.07 0.53 8.10 -51.93 -0.42 0.11 16 35 H 0.10 0.54 7.43 -51.93 -0.39 0.16 16 36 H 0.09 0.39 7.32 -51.93 -0.38 0.01 16 37 H 0.08 0.34 7.45 -51.93 -0.39 -0.05 16 38 H 0.09 0.31 8.14 -51.93 -0.42 -0.11 16 39 H 0.08 0.42 8.05 -51.93 -0.42 0.01 16 40 H 0.07 0.73 8.14 -51.93 -0.42 0.31 16 41 H 0.08 0.71 8.14 -51.93 -0.42 0.29 16 42 H 0.40 3.40 8.46 -40.82 -0.35 3.05 16 43 H 0.40 4.54 8.49 -40.82 -0.35 4.19 16 44 H 0.06 1.11 8.14 -51.93 -0.42 0.69 16 45 H 0.06 1.10 8.14 -51.93 -0.42 0.68 16 46 H 0.06 1.11 8.14 -51.93 -0.42 0.68 16 47 H 0.06 1.12 8.14 -51.93 -0.42 0.70 16 48 H 0.02 0.45 7.20 -51.93 -0.37 0.08 16 49 H 0.01 0.34 7.57 -51.93 -0.39 -0.05 16 50 H 0.26 7.60 8.31 -40.82 -0.34 7.26 16 51 H 0.06 0.54 7.91 -51.93 -0.41 0.13 16 52 H 0.05 0.35 8.14 -51.93 -0.42 -0.07 16 53 H 0.06 0.52 7.90 -51.93 -0.41 0.11 16 LS Contribution 416.91 15.07 6.28 6.28 Total: -1.00 -34.51 416.91 -10.07 -44.57 By element: Atomic # 1 Polarization: 10.65 SS G_CDS: -9.70 Total: 0.95 kcal Atomic # 6 Polarization: -3.39 SS G_CDS: -1.42 Total: -4.81 kcal Atomic # 7 Polarization: -46.36 SS G_CDS: 0.05 Total: -46.30 kcal Atomic # 8 Polarization: -17.30 SS G_CDS: -0.62 Total: -17.92 kcal Atomic # 14 Polarization: 21.89 SS G_CDS: -4.67 Total: 17.22 kcal Total LS contribution 6.28 Total: 6.28 kcal Total: -34.51 -10.07 -44.57 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. ZINC000884124127.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 -94.632 kcal (2) G-P(sol) polarization free energy of solvation -34.505 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -129.137 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.067 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.573 kcal (6) G-S(sol) free energy of system = (1) + (5) -139.205 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.01 seconds