Wall clock time and date at job start Sat Apr 11 2020 06:11:11 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 1.42905 * 1 3 3 C 1.42901 * 113.99894 * 2 1 4 4 H 1.09001 * 109.47450 * 30.00146 * 3 2 1 5 5 C 1.53001 * 109.46929 * 149.99749 * 3 2 1 6 6 C 1.53004 * 109.47354 * 296.80442 * 5 3 2 7 7 C 1.52992 * 109.46912 * 294.99992 * 6 5 3 8 8 C 1.52997 * 109.47068 * 174.99875 * 6 5 3 9 9 C 1.50697 * 109.47180 * 269.99588 * 3 2 1 10 10 O 1.21281 * 119.99978 * 347.72257 * 9 3 2 11 11 N 1.34777 * 119.99725 * 167.71706 * 9 3 2 12 12 C 1.47083 * 125.63564 * 4.69203 * 11 9 3 13 13 C 1.54453 * 107.30188 * 180.95332 * 12 11 9 14 14 C 1.54372 * 102.86557 * 21.50484 * 13 12 11 15 15 C 1.47573 * 125.62687 * 184.37863 * 11 9 3 16 16 C 1.52357 * 110.38502 * 207.57897 * 14 13 12 17 17 N 1.47329 * 108.41370 * 286.57691 * 16 14 13 18 18 C 1.36938 * 121.07395 * 130.80425 * 17 16 14 19 19 H 1.07996 * 119.99761 * 205.66497 * 18 17 16 20 20 C 1.38812 * 120.00079 * 25.66127 * 18 17 16 21 21 N 1.31618 * 120.00068 * 14.65790 * 20 18 17 22 22 Si 1.86797 * 119.99962 * 194.65569 * 20 18 17 23 23 H 1.48504 * 109.46902 * 90.00068 * 22 20 18 24 24 H 1.48501 * 109.47283 * 210.00085 * 22 20 18 25 25 H 1.48498 * 109.47341 * 330.00351 * 22 20 18 26 26 C 1.47168 * 117.84930 * 310.82378 * 17 16 14 27 27 C 1.53272 * 108.55268 * 51.23297 * 26 17 16 28 28 O 1.41883 * 110.72131 * 83.68022 * 14 13 12 29 29 H 1.08998 * 109.46839 * 179.97438 * 1 2 3 30 30 H 1.09004 * 109.47008 * 300.00366 * 1 2 3 31 31 H 1.09009 * 109.46530 * 59.99838 * 1 2 3 32 32 H 1.08998 * 109.47013 * 176.80429 * 5 3 2 33 33 H 1.09000 * 109.47039 * 56.80453 * 5 3 2 34 34 H 1.09004 * 109.46927 * 54.99925 * 6 5 3 35 35 H 1.08994 * 109.47657 * 300.00050 * 7 6 5 36 36 H 1.09006 * 109.47448 * 60.00117 * 7 6 5 37 37 H 1.09001 * 109.46913 * 179.97438 * 7 6 5 38 38 H 1.08994 * 109.47222 * 60.00179 * 8 6 5 39 39 H 1.09001 * 109.46864 * 180.02562 * 8 6 5 40 40 H 1.08996 * 109.47359 * 299.99835 * 8 6 5 41 41 H 1.08998 * 109.87582 * 300.38360 * 12 11 9 42 42 H 1.09011 * 109.87502 * 61.52783 * 12 11 9 43 43 H 1.09005 * 110.73420 * 139.85107 * 13 12 11 44 44 H 1.08994 * 110.73908 * 263.15648 * 13 12 11 45 45 H 1.09005 * 110.38066 * 275.54278 * 15 11 9 46 46 H 1.08999 * 110.38097 * 37.89525 * 15 11 9 47 47 H 1.09006 * 109.67536 * 46.30659 * 16 14 13 48 48 H 1.08999 * 109.67438 * 166.84404 * 16 14 13 49 49 H 0.96996 * 120.00271 * 179.97438 * 21 20 18 50 50 H 1.08994 * 109.62336 * 291.50646 * 26 17 16 51 51 H 1.09000 * 109.77362 * 171.04080 * 26 17 16 52 52 H 1.09007 * 109.50859 * 187.06784 * 27 26 17 53 53 H 1.08994 * 109.51635 * 66.92044 * 27 26 17 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 1.4291 0.0000 0.0000 3 6 2.0103 1.3055 0.0000 4 1 1.3450 1.9994 0.5138 5 6 3.3589 1.2633 0.7213 6 6 3.1425 0.8744 2.1852 7 6 2.3403 1.9697 2.8905 8 6 4.4982 0.7105 2.8751 9 6 2.2147 1.7643 -1.4208 10 8 2.1074 0.9742 -2.3346 11 7 2.5165 3.0529 -1.6759 12 6 2.7712 4.0898 -0.6644 13 6 3.0501 5.4085 -1.4186 14 6 2.3989 5.1611 -2.7961 15 6 2.6525 3.6547 -3.0164 16 6 3.1013 5.9819 -3.8704 17 7 2.7150 7.3939 -3.7041 18 6 3.6582 8.3863 -3.6771 19 1 3.4518 9.3135 -3.1633 20 6 4.8796 8.2004 -4.3100 21 7 5.0326 7.2147 -5.1686 22 14 6.3059 9.3494 -3.9432 23 1 7.0948 8.8117 -2.8057 24 1 7.1759 9.4570 -5.1419 25 1 5.7812 10.6930 -3.5902 26 6 1.2827 7.7032 -3.5676 27 6 0.6936 6.8110 -2.4694 28 8 1.0093 5.4441 -2.7526 29 1 -0.3633 -1.0277 -0.0005 30 1 -0.3633 0.5139 0.8900 31 1 -0.3633 0.5139 -0.8901 32 1 3.8282 2.2458 0.6720 33 1 4.0046 0.5277 0.2417 34 1 2.5939 -0.0663 2.2339 35 1 2.8888 2.9103 2.8418 36 1 1.3744 2.0865 2.3990 37 1 2.1857 1.6925 3.9333 38 1 5.0467 1.6511 2.8264 39 1 4.3439 0.4330 3.9179 40 1 5.0696 -0.0699 2.3726 41 1 1.8962 4.2065 -0.0249 42 1 3.6383 3.8161 -0.0632 43 1 2.5760 6.2499 -0.9131 44 1 4.1224 5.5742 -1.5228 45 1 3.6569 3.4896 -3.4066 46 1 1.9077 3.2405 -3.6959 47 1 4.1813 5.8816 -3.7614 48 1 2.7975 5.6320 -4.8569 49 1 5.8859 7.0850 -5.6111 50 1 0.7741 7.5064 -4.5113 51 1 1.1560 8.7510 -3.2952 52 1 -0.3889 6.9362 -2.4403 53 1 1.1191 7.0908 -1.5057 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 ZINC001330160562.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 06:11:11 Heat of formation + Delta-G solvation = -99.396557 kcal Electronic energy + Delta-G solvation = -32400.647620 eV Core-core repulsion = 28273.375203 eV Total energy + Delta-G solvation = -4127.272417 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.04 seconds Orbital eigenvalues (eV) -40.50714 -39.26379 -37.58656 -36.33262 -35.79703 -34.50451 -31.86701 -31.31514 -30.19962 -29.56318 -27.50045 -27.43095 -26.51108 -25.89008 -24.32883 -23.44006 -22.51299 -21.35820 -20.21764 -19.44277 -18.78030 -17.52263 -17.12970 -16.71812 -16.18145 -15.75402 -15.38776 -15.12401 -14.98565 -14.75623 -14.43348 -14.26318 -14.11851 -13.96081 -13.60194 -13.43049 -13.16255 -13.03022 -12.76750 -12.55047 -12.50125 -12.36376 -12.24298 -12.12799 -11.88362 -11.55664 -11.38655 -11.13174 -11.08221 -11.01099 -10.91305 -10.82937 -10.74482 -10.65791 -10.54174 -10.31522 -10.29532 -10.00115 -9.59709 -9.27268 -9.04741 -8.60209 -8.44577 -6.80909 -5.89111 -3.33333 2.69237 2.97048 3.29902 3.37222 3.38868 3.65003 4.13056 4.36253 4.39557 4.60605 4.66917 4.75666 4.82951 4.86595 5.04730 5.06943 5.14930 5.22059 5.30131 5.33960 5.37580 5.39820 5.42729 5.49660 5.54691 5.56119 5.63251 5.67109 5.71595 5.75652 5.77700 5.82612 5.95522 5.96680 6.03361 6.06292 6.11659 6.18858 6.23671 6.28178 6.39720 6.46944 6.59683 6.74068 6.88670 7.02778 7.41420 7.65196 7.66251 7.88620 8.26583 8.28818 9.05465 9.67941 10.25079 11.18920 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.014229 B = 0.003204 C = 0.002955 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1967.365617 B = 8735.964541 C = 9473.900131 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.029 3.971 2 O -0.356 6.356 3 C 0.080 3.920 4 H 0.085 0.915 5 C -0.112 4.112 6 C -0.094 4.094 7 C -0.152 4.152 8 C -0.147 4.147 9 C 0.503 3.497 10 O -0.530 6.530 11 N -0.610 5.610 12 C 0.100 3.900 13 C -0.144 4.144 14 C 0.085 3.915 15 C 0.124 3.876 16 C 0.162 3.838 17 N -0.593 5.593 18 C -0.252 4.252 19 H 0.069 0.931 20 C 0.003 3.997 21 N -0.904 5.904 22 Si 0.905 3.095 23 H -0.287 1.287 24 H -0.290 1.290 25 H -0.279 1.279 26 C 0.109 3.891 27 C 0.046 3.954 28 O -0.375 6.375 29 H 0.089 0.911 30 H 0.041 0.959 31 H 0.044 0.956 32 H 0.085 0.915 33 H 0.078 0.922 34 H 0.079 0.921 35 H 0.057 0.943 36 H 0.052 0.948 37 H 0.056 0.944 38 H 0.055 0.945 39 H 0.054 0.946 40 H 0.055 0.945 41 H 0.063 0.937 42 H 0.068 0.932 43 H 0.086 0.914 44 H 0.088 0.912 45 H 0.086 0.914 46 H 0.082 0.918 47 H 0.101 0.899 48 H 0.029 0.971 49 H 0.256 0.744 50 H 0.026 0.974 51 H 0.062 0.938 52 H 0.082 0.918 53 H 0.047 0.953 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.051 -9.482 15.917 19.491 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 -0.068 4.068 2 O -0.273 6.273 3 C 0.018 3.982 4 H 0.103 0.897 5 C -0.149 4.149 6 C -0.112 4.112 7 C -0.209 4.209 8 C -0.204 4.204 9 C 0.290 3.710 10 O -0.406 6.406 11 N -0.345 5.345 12 C -0.023 4.023 13 C -0.182 4.182 14 C 0.043 3.957 15 C 0.002 3.998 16 C 0.036 3.964 17 N -0.317 5.317 18 C -0.381 4.381 19 H 0.087 0.913 20 C -0.196 4.196 21 N -0.549 5.549 22 Si 0.735 3.265 23 H -0.214 1.214 24 H -0.217 1.217 25 H -0.204 1.204 26 C -0.017 4.017 27 C -0.032 4.032 28 O -0.294 6.294 29 H 0.107 0.893 30 H 0.060 0.940 31 H 0.063 0.937 32 H 0.103 0.897 33 H 0.097 0.903 34 H 0.098 0.902 35 H 0.076 0.924 36 H 0.071 0.929 37 H 0.075 0.925 38 H 0.074 0.926 39 H 0.074 0.926 40 H 0.074 0.926 41 H 0.081 0.919 42 H 0.086 0.914 43 H 0.105 0.895 44 H 0.107 0.893 45 H 0.104 0.896 46 H 0.101 0.899 47 H 0.119 0.881 48 H 0.047 0.953 49 H 0.066 0.934 50 H 0.044 0.956 51 H 0.081 0.919 52 H 0.100 0.900 53 H 0.065 0.935 Dipole moment (debyes) X Y Z Total from point charges -6.009 -10.330 15.311 19.423 hybrid contribution 0.657 1.168 0.067 1.342 sum -5.352 -9.162 15.378 18.684 Atomic orbital electron populations 1.22852 0.80862 1.03040 1.00014 1.87970 1.19825 1.25152 1.94362 1.22070 0.97412 0.86556 0.92132 0.89740 1.21796 0.94428 1.03476 0.95233 1.21064 0.96979 0.99748 0.93409 1.21935 0.99904 0.98771 1.00289 1.21827 0.96525 1.01884 1.00183 1.20999 0.77215 0.80666 0.92073 1.90701 1.50831 1.52338 1.46763 1.48629 1.68994 1.08319 1.08588 1.22226 1.00104 0.88481 0.91460 1.23033 1.02902 0.95490 0.96745 1.22743 0.82823 0.93766 0.96320 1.22159 1.02298 0.90939 0.84433 1.21180 1.00033 0.82483 0.92707 1.44072 0.99820 1.02232 1.85555 1.19188 0.94387 0.96881 1.27692 0.91296 1.25040 0.99572 0.98518 0.96438 1.69981 1.24385 1.32817 1.27700 0.86250 0.82449 0.80428 0.77399 1.21360 1.21655 1.20446 1.21580 0.86926 0.97340 0.95891 1.23096 0.98983 0.82647 0.98430 1.87643 1.22641 1.26883 1.92202 0.89287 0.94042 0.93740 0.89667 0.90335 0.90229 0.92371 0.92902 0.92538 0.92581 0.92646 0.92570 0.91855 0.91431 0.89531 0.89313 0.89608 0.89948 0.88064 0.95260 0.93390 0.95575 0.91919 0.90013 0.93485 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 18. 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 0.30 10.81 101.05 1.09 1.40 16 2 O -0.36 -4.73 9.29 -54.84 -0.51 -5.24 16 3 C 0.08 0.99 1.77 -27.88 -0.05 0.94 16 4 H 0.08 0.91 5.78 -51.93 -0.30 0.61 16 5 C -0.11 -1.17 4.31 -26.73 -0.12 -1.29 16 6 C -0.09 -0.80 2.86 -90.62 -0.26 -1.06 16 7 C -0.15 -1.14 8.95 37.15 0.33 -0.81 16 8 C -0.15 -1.12 9.19 37.16 0.34 -0.78 16 9 C 0.50 8.17 7.13 -10.99 -0.08 8.09 16 10 O -0.53 -10.71 16.85 -14.05 -0.24 -10.94 16 11 N -0.61 -9.55 3.33 -170.63 -0.57 -10.12 16 12 C 0.10 1.31 6.07 -2.96 -0.02 1.30 16 13 C -0.14 -2.28 5.87 -25.25 -0.15 -2.43 16 14 C 0.09 1.58 0.84 -89.53 -0.08 1.50 16 15 C 0.12 2.20 6.08 -2.76 -0.02 2.18 16 16 C 0.16 3.67 4.06 -3.92 -0.02 3.65 16 17 N -0.59 -14.00 2.98 -172.26 -0.51 -14.51 16 18 C -0.25 -6.49 9.68 -15.06 -0.15 -6.63 16 19 H 0.07 1.74 7.87 -52.49 -0.41 1.32 16 20 C 0.00 0.08 5.01 -17.43 -0.09 -0.01 16 21 N -0.90 -25.00 10.99 55.49 0.61 -24.39 16 22 Si 0.90 20.67 29.58 -169.99 -5.03 15.64 16 23 H -0.29 -6.49 7.11 56.52 0.40 -6.09 16 24 H -0.29 -6.79 7.11 56.52 0.40 -6.38 16 25 H -0.28 -6.26 7.11 56.52 0.40 -5.86 16 26 C 0.11 2.17 6.71 -3.54 -0.02 2.15 16 27 C 0.05 0.78 6.78 37.30 0.25 1.03 16 28 O -0.37 -7.02 10.29 -35.22 -0.36 -7.39 16 29 H 0.09 0.78 8.14 -51.93 -0.42 0.36 16 30 H 0.04 0.34 8.09 -51.93 -0.42 -0.08 16 31 H 0.04 0.52 8.14 -51.92 -0.42 0.10 16 32 H 0.09 0.83 5.51 -51.93 -0.29 0.55 16 33 H 0.08 0.91 8.14 -51.93 -0.42 0.49 16 34 H 0.08 0.74 7.64 -51.93 -0.40 0.34 16 35 H 0.06 0.42 8.14 -51.93 -0.42 0.00 16 36 H 0.05 0.40 6.50 -51.93 -0.34 0.06 16 37 H 0.06 0.38 8.14 -51.93 -0.42 -0.05 16 38 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 39 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 40 H 0.06 0.43 8.14 -51.93 -0.42 0.01 16 41 H 0.06 0.74 7.95 -51.93 -0.41 0.33 16 42 H 0.07 0.75 6.02 -51.92 -0.31 0.44 16 43 H 0.09 1.36 6.08 -51.93 -0.32 1.05 16 44 H 0.09 1.49 7.82 -51.93 -0.41 1.08 16 45 H 0.09 1.52 8.00 -51.93 -0.42 1.10 16 46 H 0.08 1.56 8.10 -51.93 -0.42 1.14 16 47 H 0.10 2.50 5.86 -51.93 -0.30 2.20 16 48 H 0.03 0.73 8.14 -51.93 -0.42 0.31 16 49 H 0.26 6.89 8.31 -40.82 -0.34 6.55 16 50 H 0.03 0.55 8.14 -51.93 -0.42 0.12 16 51 H 0.06 1.18 7.96 -51.93 -0.41 0.76 16 52 H 0.08 1.16 8.14 -51.92 -0.42 0.74 16 53 H 0.05 0.76 6.23 -51.93 -0.32 0.43 16 LS Contribution 404.02 15.07 6.09 6.09 Total: -1.00 -31.22 404.02 -8.80 -40.02 By element: Atomic # 1 Polarization: 10.86 SS G_CDS: -9.26 Total: 1.60 kcal Atomic # 6 Polarization: 8.26 SS G_CDS: 0.99 Total: 9.25 kcal Atomic # 7 Polarization: -48.55 SS G_CDS: -0.47 Total: -49.02 kcal Atomic # 8 Polarization: -22.46 SS G_CDS: -1.11 Total: -23.57 kcal Atomic # 14 Polarization: 20.67 SS G_CDS: -5.03 Total: 15.64 kcal Total LS contribution 6.09 Total: 6.09 kcal Total: -31.22 -8.80 -40.02 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. ZINC001330160562.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 -59.377 kcal (2) G-P(sol) polarization free energy of solvation -31.223 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -90.600 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.797 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.019 kcal (6) G-S(sol) free energy of system = (1) + (5) -99.397 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.04 seconds