Wall clock time and date at job start Wed Apr 1 2020 02:05:38 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 1.52998 * 1 3 3 C 1.53007 * 109.46864 * 2 1 4 4 F 1.39899 * 109.47214 * 119.99442 * 2 1 3 5 5 C 1.50699 * 109.47528 * 240.00074 * 2 1 3 6 6 O 1.21278 * 119.99830 * 4.62334 * 5 2 1 7 7 N 1.34774 * 120.00051 * 184.62482 * 5 2 1 8 8 C 1.46921 * 120.63174 * 4.81447 * 7 5 2 9 9 C 1.53626 * 108.54409 * 126.37106 * 8 7 5 10 10 C 1.53038 * 109.23920 * 54.85685 * 9 8 7 11 11 C 1.52998 * 109.45728 * 178.49190 * 10 9 8 12 12 O 1.42902 * 109.47439 * 295.06674 * 11 10 9 13 13 C 1.42897 * 114.00221 * 180.02562 * 12 11 10 14 14 H 1.09001 * 110.88524 * 26.11676 * 13 12 11 15 15 C 1.55153 * 111.00665 * 150.00165 * 13 12 11 16 16 C 1.54321 * 102.94345 * 153.57523 * 15 13 12 17 17 N 1.47024 * 107.27139 * 337.80404 * 16 15 13 18 18 C 1.36943 * 125.64655 * 178.96279 * 17 16 15 19 19 H 1.07993 * 119.99495 * 179.97438 * 18 17 16 20 20 C 1.38813 * 120.00089 * 359.97438 * 18 17 16 21 21 N 1.31615 * 119.99770 * 0.02562 * 20 18 17 22 22 Si 1.86793 * 119.99763 * 180.02562 * 20 18 17 23 23 H 1.48497 * 109.47233 * 359.97438 * 22 20 18 24 24 H 1.48499 * 109.47155 * 120.00260 * 22 20 18 25 25 H 1.48505 * 109.47167 * 239.99888 * 22 20 18 26 26 C 1.47419 * 108.70209 * 358.94424 * 17 16 15 27 27 C 1.53042 * 109.53769 * 298.50778 * 10 9 8 28 28 C 1.46926 * 120.62714 * 185.10035 * 7 5 2 29 29 H 1.08993 * 109.47359 * 62.88906 * 1 2 3 30 30 H 1.09004 * 109.47584 * 302.88191 * 1 2 3 31 31 H 1.09002 * 109.46917 * 182.88659 * 1 2 3 32 32 H 1.09001 * 109.46786 * 59.99925 * 3 2 1 33 33 H 1.08994 * 109.47417 * 179.97438 * 3 2 1 34 34 H 1.08997 * 109.47173 * 300.00066 * 3 2 1 35 35 H 1.09000 * 109.58777 * 246.20571 * 8 7 5 36 36 H 1.09003 * 109.58748 * 6.63087 * 8 7 5 37 37 H 1.08996 * 109.63172 * 294.86528 * 9 8 7 38 38 H 1.08997 * 109.45901 * 174.74318 * 9 8 7 39 39 H 1.08998 * 109.45904 * 58.53626 * 10 9 8 40 40 H 1.09003 * 109.47430 * 55.06611 * 11 10 9 41 41 H 1.09003 * 109.47134 * 175.06355 * 11 10 9 42 42 H 1.09000 * 110.71778 * 271.93943 * 15 13 12 43 43 H 1.09001 * 110.71708 * 35.03365 * 15 13 12 44 44 H 1.08998 * 109.88286 * 97.22509 * 16 15 13 45 45 H 1.09009 * 109.88208 * 218.23622 * 16 15 13 46 46 H 0.97001 * 120.00267 * 179.97438 * 21 20 18 47 47 H 1.08998 * 110.36884 * 265.28690 * 26 17 16 48 48 H 1.09001 * 110.36593 * 142.96396 * 26 17 16 49 49 H 1.08997 * 109.50502 * 301.41840 * 27 10 9 50 50 H 1.09000 * 109.52186 * 181.33167 * 27 10 9 51 51 H 1.08994 * 109.59105 * 353.36664 * 28 7 5 52 52 H 1.08999 * 109.58611 * 113.79561 * 28 7 5 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 2.0399 1.4426 0.0000 4 9 1.9963 -0.6594 1.1423 5 6 2.0324 -0.7104 -1.2304 6 8 1.2476 -1.0974 -2.0701 7 7 3.3539 -0.9156 -1.3977 8 6 4.3080 -0.5477 -0.3428 9 6 5.1707 -1.7756 -0.0143 10 6 5.8229 -2.2920 -1.2989 11 6 6.7132 -3.4924 -0.9716 12 8 7.7956 -3.0699 -0.1397 13 6 8.6923 -4.1208 0.2257 14 1 8.6807 -4.9177 -0.5179 15 6 10.1302 -3.5772 0.4357 16 6 10.7410 -4.5893 1.4277 17 7 9.6250 -5.2439 2.1260 18 6 9.7424 -6.2236 3.0756 19 1 8.8575 -6.6421 3.5318 20 6 10.9987 -6.6788 3.4516 21 7 12.0770 -6.1683 2.8959 22 14 11.1587 -8.0157 4.7463 23 1 9.8073 -8.4180 5.2121 24 1 11.8513 -9.1915 4.1607 25 1 11.9448 -7.5000 5.8958 26 6 8.3587 -4.6705 1.6351 27 6 4.7364 -2.7180 -2.2890 28 6 3.8683 -1.5058 -2.6410 29 1 -0.3634 0.4683 -0.9147 30 1 -0.3634 0.5579 0.8630 31 1 -0.3633 -1.0264 0.0518 32 1 1.6765 1.9564 0.8900 33 1 3.1299 1.4427 0.0005 34 1 1.6766 1.9564 -0.8900 35 1 4.9436 0.2659 -0.6924 36 1 3.7644 -0.2325 0.5479 37 1 4.5456 -2.5579 0.4162 38 1 5.9452 -1.4949 0.6995 39 1 6.4283 -1.5012 -1.7420 40 1 6.1267 -4.2480 -0.4488 41 1 7.1084 -3.9144 -1.8957 42 1 10.6832 -3.5762 -0.5036 43 1 10.1049 -2.5768 0.8678 44 1 11.3262 -5.3323 0.8860 45 1 11.3757 -4.0686 2.1449 46 1 12.9550 -6.4861 3.1589 47 1 8.0292 -3.8630 2.2889 48 1 7.5927 -5.4431 1.5694 49 1 4.1153 -3.4913 -1.8371 50 1 5.2013 -3.1077 -3.1945 51 1 3.0345 -1.8230 -3.2672 52 1 4.4687 -0.7687 -3.1742 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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 ZINC001088227890.mol2 52 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 02:05:38 Heat of formation + Delta-G solvation = -107.866667 kcal Electronic energy + Delta-G solvation = -31002.460974 eV Core-core repulsion = 26724.049483 eV Total energy + Delta-G solvation = -4278.411492 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 342.211 amu Computer time = 0.95 seconds Orbital eigenvalues (eV) -48.44661 -40.53970 -38.71581 -37.72731 -35.90751 -34.31305 -33.48322 -32.07000 -31.35118 -29.23899 -28.06521 -27.83098 -26.85094 -24.73470 -24.14325 -23.65891 -22.33301 -20.71593 -20.26355 -20.04246 -19.46869 -17.94887 -16.96217 -16.83399 -16.57353 -16.36863 -15.64159 -15.36863 -14.98023 -14.93807 -14.72323 -14.50998 -14.27232 -13.83631 -13.75255 -13.49912 -13.34837 -13.06162 -12.94009 -12.86727 -12.68789 -12.58165 -12.43697 -12.36097 -12.17506 -12.01286 -11.64072 -11.53022 -11.44732 -11.11787 -10.97194 -10.83952 -10.81392 -10.74618 -10.53240 -10.18313 -10.06366 -10.00185 -9.76870 -9.71653 -9.05128 -9.03746 -8.60266 -6.83560 -5.71442 -3.05331 2.02718 2.46893 3.39914 3.45311 3.47945 3.68788 3.81579 3.94300 4.12595 4.28339 4.46151 4.50735 4.57194 4.75033 4.79057 4.97137 4.98263 5.04152 5.08547 5.17701 5.18389 5.33830 5.39174 5.39995 5.44725 5.45427 5.47230 5.50533 5.55472 5.65353 5.65995 5.70476 5.75035 5.77162 5.77978 5.85688 5.97800 6.16782 6.22432 6.28594 6.48919 6.54481 6.69398 6.73172 6.91883 7.55954 7.61425 7.61456 7.63596 7.82918 8.25429 9.21621 9.81738 10.47402 11.40373 Molecular weight = 342.21amu Principal moments of inertia in cm(-1) A = 0.019211 B = 0.002060 C = 0.001959 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1457.132544 B =13591.961814 C =14290.910237 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.157 4.157 2 C 0.102 3.898 3 C -0.179 4.179 4 F -0.189 7.189 5 C 0.503 3.497 6 O -0.528 6.528 7 N -0.599 5.599 8 C 0.088 3.912 9 C -0.125 4.125 10 C -0.084 4.084 11 C 0.068 3.932 12 O -0.378 6.378 13 C 0.073 3.927 14 H 0.065 0.935 15 C -0.139 4.139 16 C 0.178 3.822 17 N -0.605 5.605 18 C -0.227 4.227 19 H 0.079 0.921 20 C -0.010 4.010 21 N -0.922 5.922 22 Si 0.913 3.087 23 H -0.280 1.280 24 H -0.290 1.290 25 H -0.290 1.290 26 C 0.121 3.879 27 C -0.129 4.129 28 C 0.112 3.888 29 H 0.083 0.917 30 H 0.075 0.925 31 H 0.074 0.926 32 H 0.083 0.917 33 H 0.079 0.921 34 H 0.081 0.919 35 H 0.072 0.928 36 H 0.102 0.898 37 H 0.068 0.932 38 H 0.090 0.910 39 H 0.080 0.920 40 H 0.047 0.953 41 H 0.046 0.954 42 H 0.061 0.939 43 H 0.066 0.934 44 H 0.047 0.953 45 H 0.046 0.954 46 H 0.252 0.748 47 H 0.027 0.973 48 H 0.036 0.964 49 H 0.070 0.930 50 H 0.079 0.921 51 H 0.094 0.906 52 H 0.071 0.929 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -19.479 16.106 -11.108 27.609 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 -0.215 4.215 2 C 0.081 3.919 3 C -0.237 4.237 4 F -0.169 7.169 5 C 0.288 3.712 6 O -0.405 6.405 7 N -0.332 5.332 8 C -0.034 4.034 9 C -0.163 4.163 10 C -0.103 4.103 11 C -0.010 4.010 12 O -0.296 6.296 13 C 0.015 3.985 14 H 0.083 0.917 15 C -0.177 4.177 16 C 0.054 3.946 17 N -0.332 5.332 18 C -0.355 4.355 19 H 0.096 0.904 20 C -0.206 4.206 21 N -0.570 5.570 22 Si 0.743 3.257 23 H -0.205 1.205 24 H -0.217 1.217 25 H -0.217 1.217 26 C -0.006 4.006 27 C -0.167 4.167 28 C -0.010 4.010 29 H 0.102 0.898 30 H 0.094 0.906 31 H 0.093 0.907 32 H 0.102 0.898 33 H 0.098 0.902 34 H 0.100 0.900 35 H 0.090 0.910 36 H 0.120 0.880 37 H 0.087 0.913 38 H 0.109 0.891 39 H 0.099 0.901 40 H 0.065 0.935 41 H 0.064 0.936 42 H 0.080 0.920 43 H 0.085 0.915 44 H 0.066 0.934 45 H 0.064 0.936 46 H 0.062 0.938 47 H 0.045 0.955 48 H 0.054 0.946 49 H 0.089 0.911 50 H 0.098 0.902 51 H 0.112 0.888 52 H 0.090 0.910 Dipole moment (debyes) X Y Z Total from point charges -19.688 15.951 -11.370 27.773 hybrid contribution 0.348 -1.104 0.721 1.364 sum -19.340 14.847 -10.649 26.605 Atomic orbital electron populations 1.22168 0.90735 1.04594 1.04028 1.21183 0.96961 0.93038 0.80732 1.22553 1.03357 0.92953 1.04818 1.92874 1.89578 1.82717 1.51778 1.20824 0.82445 0.79711 0.88219 1.90710 1.54805 1.50146 1.44815 1.48154 1.05844 1.61065 1.18159 1.22388 0.91942 0.97979 0.91124 1.21969 0.99176 0.97216 0.97900 1.21116 0.95286 0.98046 0.95862 1.22468 0.88688 0.95978 0.93823 1.87840 1.38073 1.34842 1.68883 1.23401 0.89823 0.88818 0.96460 0.91689 1.22997 0.93693 1.00694 1.00354 1.21154 0.89589 0.92003 0.91882 1.44370 0.99754 1.43350 1.45759 1.19113 0.92725 1.10903 1.12760 0.90363 1.24818 0.95366 1.00164 1.00224 1.69967 0.97020 1.44880 1.45167 0.86024 0.77521 0.81184 0.80926 1.20494 1.21749 1.21712 1.21881 0.90329 0.95895 0.92494 1.21909 0.97074 0.97844 0.99855 1.21658 0.98485 0.95124 0.85763 0.89790 0.90559 0.90690 0.89790 0.90218 0.89995 0.90959 0.87958 0.91315 0.89137 0.90128 0.93463 0.93608 0.92012 0.91527 0.93438 0.93604 0.93772 0.95486 0.94609 0.91134 0.90246 0.88798 0.91024 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 -0.16 -1.14 8.28 37.16 0.31 -0.83 16 2 C 0.10 0.84 1.20 -91.77 -0.11 0.73 16 3 C -0.18 -0.99 8.59 37.16 0.32 -0.67 16 4 F -0.19 -1.86 14.50 2.25 0.03 -1.83 16 5 C 0.50 5.27 6.79 -10.99 -0.07 5.20 16 6 O -0.53 -6.99 15.35 5.56 0.09 -6.91 16 7 N -0.60 -5.56 2.97 -172.50 -0.51 -6.08 16 8 C 0.09 0.73 4.75 -3.49 -0.02 0.71 16 9 C -0.12 -1.25 5.29 -26.39 -0.14 -1.39 16 10 C -0.08 -0.83 2.39 -90.58 -0.22 -1.05 16 11 C 0.07 0.84 5.15 37.16 0.19 1.03 16 12 O -0.38 -5.99 9.66 -35.23 -0.34 -6.33 16 13 C 0.07 1.34 3.54 -24.58 -0.09 1.26 16 14 H 0.07 1.16 7.83 -51.93 -0.41 0.76 16 15 C -0.14 -2.70 6.69 -24.90 -0.17 -2.86 16 16 C 0.18 4.41 5.37 -3.06 -0.02 4.39 16 17 N -0.60 -15.83 3.39 -170.07 -0.58 -16.41 16 18 C -0.23 -6.43 10.28 -15.06 -0.15 -6.58 16 19 H 0.08 2.15 7.83 -52.49 -0.41 1.73 16 20 C -0.01 -0.28 5.49 -17.43 -0.10 -0.37 16 21 N -0.92 -27.31 10.31 55.49 0.57 -26.74 16 22 Si 0.91 22.27 29.55 -169.99 -5.02 17.25 16 23 H -0.28 -6.62 7.11 56.52 0.40 -6.22 16 24 H -0.29 -7.10 7.11 56.52 0.40 -6.70 16 25 H -0.29 -7.11 7.11 56.52 0.40 -6.71 16 26 C 0.12 2.60 6.97 -2.53 -0.02 2.59 16 27 C -0.13 -1.10 5.36 -26.61 -0.14 -1.24 16 28 C 0.11 0.95 6.44 -3.71 -0.02 0.92 16 29 H 0.08 0.58 7.96 -51.93 -0.41 0.16 16 30 H 0.08 0.41 8.14 -51.93 -0.42 -0.02 16 31 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 32 H 0.08 0.36 8.14 -51.93 -0.42 -0.06 16 33 H 0.08 0.42 5.72 -51.93 -0.30 0.12 16 34 H 0.08 0.39 8.14 -51.93 -0.42 -0.03 16 35 H 0.07 0.50 8.12 -51.93 -0.42 0.08 16 36 H 0.10 0.82 3.96 -51.93 -0.21 0.62 16 37 H 0.07 0.77 8.14 -51.93 -0.42 0.34 16 38 H 0.09 1.00 7.79 -51.93 -0.40 0.60 16 39 H 0.08 0.78 8.14 -51.93 -0.42 0.36 16 40 H 0.05 0.61 8.14 -51.93 -0.42 0.18 16 41 H 0.05 0.53 8.12 -51.93 -0.42 0.11 16 42 H 0.06 1.07 8.14 -51.93 -0.42 0.65 16 43 H 0.07 1.26 8.14 -51.93 -0.42 0.83 16 44 H 0.05 1.28 7.38 -51.93 -0.38 0.89 16 45 H 0.05 1.24 7.50 -51.92 -0.39 0.85 16 46 H 0.25 7.20 8.31 -40.82 -0.34 6.86 16 47 H 0.03 0.60 8.14 -51.93 -0.42 0.17 16 48 H 0.04 0.75 8.14 -51.93 -0.42 0.33 16 49 H 0.07 0.68 8.14 -51.93 -0.42 0.25 16 50 H 0.08 0.58 8.14 -51.93 -0.42 0.15 16 51 H 0.09 0.88 7.00 -51.93 -0.36 0.52 16 52 H 0.07 0.51 8.14 -51.93 -0.42 0.08 16 LS Contribution 401.13 15.07 6.05 6.05 Total: -1.00 -32.70 401.13 -9.33 -42.03 By element: Atomic # 1 Polarization: 6.31 SS G_CDS: -9.17 Total: -2.86 kcal Atomic # 6 Polarization: 2.27 SS G_CDS: -0.44 Total: 1.82 kcal Atomic # 7 Polarization: -48.71 SS G_CDS: -0.52 Total: -49.23 kcal Atomic # 8 Polarization: -12.98 SS G_CDS: -0.26 Total: -13.24 kcal Atomic # 9 Polarization: -1.86 SS G_CDS: 0.03 Total: -1.83 kcal Atomic # 14 Polarization: 22.27 SS G_CDS: -5.02 Total: 17.25 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -32.70 -9.33 -42.03 kcal The number of atoms in the molecule is 52 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. ZINC001088227890.mol2 52 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 -65.833 kcal (2) G-P(sol) polarization free energy of solvation -32.701 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -98.534 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.333 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.034 kcal (6) G-S(sol) free energy of system = (1) + (5) -107.867 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.95 seconds