Wall clock time and date at job start Tue Mar 31 2020 20:13:29 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 H 1.09002 * 108.45811 * 2 1 4 4 C 1.52526 * 108.52174 * 242.28684 * 2 1 3 5 5 C 1.50133 * 105.41653 * 149.34766 * 4 2 1 6 6 C 1.54847 * 110.81473 * 97.67949 * 5 4 2 7 7 C 1.54899 * 110.14150 * 321.13978 * 6 5 4 8 8 H 1.08997 * 108.15991 * 80.35584 * 7 6 5 9 9 C 1.53000 * 108.15576 * 196.92089 * 7 6 5 10 10 N 1.43440 * 116.08002 * 318.63607 * 7 6 5 11 11 C 1.34769 * 120.53413 * 271.54589 * 10 7 6 12 12 O 1.21349 * 120.00481 * 5.69212 * 11 10 7 13 13 C 1.49453 * 120.00061 * 185.69327 * 11 10 7 14 14 O 1.21355 * 119.99440 * 5.81083 * 13 11 10 15 15 N 1.34774 * 120.00472 * 185.81910 * 13 11 10 16 16 C 1.46921 * 120.62649 * 353.21705 * 15 13 11 17 17 C 1.53197 * 108.77530 * 233.63211 * 16 15 13 18 18 C 1.53034 * 109.31465 * 305.37056 * 17 16 15 19 19 C 1.53036 * 109.54170 * 61.36235 * 18 17 16 20 20 H 1.09000 * 109.49498 * 58.61860 * 19 18 17 21 21 C 1.50695 * 109.50413 * 178.68331 * 19 18 17 22 22 H 1.08010 * 119.99677 * 5.22642 * 21 19 18 23 23 C 1.37875 * 120.00762 * 185.22031 * 21 19 18 24 24 N 1.31509 * 120.00523 * 209.59822 * 23 21 19 25 25 Si 1.86800 * 119.99349 * 29.60201 * 23 21 19 26 26 H 1.48504 * 109.47042 * 180.02562 * 25 23 21 27 27 H 1.48489 * 109.47699 * 59.99983 * 25 23 21 28 28 H 1.48504 * 109.46951 * 299.99503 * 25 23 21 29 29 C 1.46924 * 120.63281 * 173.24734 * 15 13 11 30 30 C 1.46754 * 108.46084 * 117.64692 * 2 1 3 31 31 H 1.09007 * 109.46825 * 177.71533 * 1 2 3 32 32 H 1.08994 * 109.47046 * 297.71284 * 1 2 3 33 33 H 1.08996 * 109.47446 * 57.71693 * 1 2 3 34 34 H 1.09003 * 110.25186 * 30.37432 * 4 2 1 35 35 H 1.08995 * 110.25017 * 268.31934 * 4 2 1 36 36 H 1.09005 * 109.20535 * 337.34114 * 5 4 2 37 37 H 1.08990 * 109.17532 * 218.00460 * 5 4 2 38 38 H 1.08996 * 109.36031 * 200.93175 * 6 5 4 39 39 H 1.09001 * 109.24146 * 81.26932 * 6 5 4 40 40 H 1.09006 * 109.46824 * 172.36102 * 9 7 6 41 41 H 1.08997 * 109.47266 * 292.35380 * 9 7 6 42 42 H 1.08994 * 109.47456 * 52.36147 * 9 7 6 43 43 H 1.08998 * 109.58843 * 113.85183 * 16 15 13 44 44 H 1.09003 * 109.70736 * 353.49042 * 16 15 13 45 45 H 1.09000 * 109.50036 * 185.41164 * 17 16 15 46 46 H 1.09005 * 109.49507 * 65.31977 * 17 16 15 47 47 H 1.09002 * 109.46131 * 301.34177 * 18 17 16 48 48 H 1.09000 * 109.45271 * 181.37778 * 18 17 16 49 49 H 0.97008 * 119.99734 * 354.98989 * 24 23 21 50 50 H 1.08999 * 109.58460 * 6.57201 * 29 15 13 51 51 H 1.08995 * 109.58188 * 246.15110 * 29 15 13 52 52 H 1.09003 * 109.95894 * 60.31629 * 30 2 1 53 53 H 1.08999 * 110.00300 * 299.16010 * 30 2 1 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 1.8751 1.0339 0.0000 4 6 2.0145 -0.6726 -1.2803 5 6 3.3219 -0.0114 -1.6084 6 6 4.5118 -0.8654 -1.1058 7 6 4.1756 -1.4908 0.2709 8 1 3.5554 -2.3711 0.1018 9 6 5.4831 -1.9549 0.9158 10 7 3.4960 -0.6374 1.2021 11 6 4.1938 0.1552 2.0396 12 8 5.4010 0.2287 1.9407 13 6 3.4808 0.9436 3.0902 14 8 2.2887 0.7909 3.2587 15 7 4.1615 1.8241 3.8502 16 6 5.6253 1.9144 3.7617 17 6 6.2146 1.7626 5.1676 18 6 5.5761 2.7961 6.0983 19 6 4.0677 2.5507 6.1778 20 1 3.8822 1.5406 6.5431 21 6 3.4445 3.5485 7.1195 22 1 4.0467 4.3367 7.5469 23 6 2.1057 3.4554 7.4356 24 7 1.4235 4.5394 7.7342 25 14 1.2608 1.7894 7.4399 26 1 -0.1674 1.9596 7.8092 27 1 1.9250 0.9000 8.4262 28 1 1.3530 1.1842 6.0869 29 6 3.4541 2.7115 4.7833 30 6 1.9947 -0.6459 1.2331 31 1 -0.3633 -1.0269 -0.0410 32 1 -0.3633 0.4779 0.9097 33 1 -0.3634 0.5488 -0.8688 34 1 1.2978 -0.5115 -2.0857 35 1 2.1628 -1.7394 -1.1133 36 1 3.3575 0.9685 -1.1323 37 1 3.3997 0.1117 -2.6885 38 1 5.3948 -0.2338 -1.0098 39 1 4.7123 -1.6602 -1.8244 40 1 5.2897 -2.2742 1.9399 41 1 5.8930 -2.7891 0.3464 42 1 6.1979 -1.1321 0.9206 43 1 5.9074 2.8834 3.3500 44 1 6.0044 1.1199 3.1189 45 1 7.2920 1.9234 5.1299 46 1 6.0088 0.7597 5.5420 47 1 5.7611 3.7977 5.7101 48 1 6.0115 2.7063 7.0936 49 1 1.8770 5.3942 7.8032 50 1 2.3986 2.4414 4.8151 51 1 3.5591 3.7454 4.4549 52 1 1.6312 -1.6727 1.2750 53 1 1.6394 -0.0911 2.1014 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 ZINC001329675597.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 20:13:29 Heat of formation + Delta-G solvation = -38.782271 kcal Electronic energy + Delta-G solvation = -32142.138098 eV Core-core repulsion = 28207.950166 eV Total energy + Delta-G solvation = -3934.187933 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.13 seconds Orbital eigenvalues (eV) -41.31795 -39.36224 -38.06468 -37.11516 -34.86569 -33.81008 -33.21585 -31.93021 -30.35737 -30.18156 -26.79471 -26.45281 -25.61090 -24.83722 -23.98689 -22.35294 -21.76792 -20.98138 -20.24770 -19.19786 -18.67140 -17.58008 -16.95333 -16.40813 -16.07104 -15.81919 -15.49635 -14.95504 -14.84032 -14.44614 -14.15476 -14.02426 -13.76904 -13.64222 -13.31256 -13.17955 -12.93531 -12.83128 -12.63100 -12.53250 -12.39952 -12.24569 -12.04958 -11.86403 -11.68570 -11.52362 -11.36798 -11.01148 -10.86133 -10.83888 -10.66300 -10.48201 -10.40276 -10.31875 -10.30221 -9.79462 -9.61724 -9.53095 -9.19342 -8.83766 -8.38699 -8.16133 -8.00999 -6.54577 -4.09021 1.60491 2.48847 3.39776 3.47105 3.51811 3.57088 3.67094 4.28530 4.48323 4.49878 4.63071 4.64321 4.83943 4.88310 5.02199 5.15299 5.19954 5.31132 5.35046 5.45535 5.47331 5.52595 5.52635 5.58610 5.61029 5.72110 5.73317 5.80826 5.90091 5.94648 5.96632 5.97976 6.06312 6.11724 6.11782 6.15356 6.20387 6.24051 6.28526 6.40773 6.49915 6.57661 6.65163 6.69957 6.79883 6.92753 7.17427 7.22172 7.43102 7.71144 7.96248 8.13871 8.33806 8.34065 8.89142 9.55737 10.83669 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.014296 B = 0.004083 C = 0.003453 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1958.130781 B = 6855.817481 C = 8106.899038 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 -0.110 4.110 3 H 0.070 0.930 4 C -0.116 4.116 5 C -0.121 4.121 6 C -0.126 4.126 7 C 0.140 3.860 8 H 0.077 0.923 9 C -0.170 4.170 10 N -0.573 5.573 11 C 0.515 3.485 12 O -0.511 6.511 13 C 0.496 3.504 14 O -0.520 6.520 15 N -0.565 5.565 16 C 0.052 3.948 17 C -0.133 4.133 18 C -0.104 4.104 19 C 0.020 3.980 20 H 0.022 0.978 21 C -0.618 4.618 22 H 0.058 0.942 23 C 0.043 3.957 24 N -0.886 5.886 25 Si 1.028 2.972 26 H -0.285 1.285 27 H -0.284 1.284 28 H -0.266 1.266 29 C 0.104 3.896 30 C 0.057 3.943 31 H 0.054 0.946 32 H 0.061 0.939 33 H 0.054 0.946 34 H 0.066 0.934 35 H 0.067 0.933 36 H 0.062 0.938 37 H 0.057 0.943 38 H 0.068 0.932 39 H 0.071 0.929 40 H 0.052 0.948 41 H 0.052 0.948 42 H 0.094 0.906 43 H 0.059 0.941 44 H 0.149 0.851 45 H 0.063 0.937 46 H 0.058 0.942 47 H 0.051 0.949 48 H 0.054 0.946 49 H 0.270 0.730 50 H 0.087 0.913 51 H 0.065 0.935 52 H 0.069 0.931 53 H 0.167 0.833 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 4.560 -12.456 -18.912 23.100 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 -0.205 4.205 2 C -0.129 4.129 3 H 0.088 0.912 4 C -0.153 4.153 5 C -0.158 4.158 6 C -0.165 4.165 7 C 0.035 3.965 8 H 0.095 0.905 9 C -0.228 4.228 10 N -0.304 5.304 11 C 0.299 3.701 12 O -0.389 6.389 13 C 0.279 3.721 14 O -0.401 6.401 15 N -0.295 5.295 16 C -0.069 4.069 17 C -0.171 4.171 18 C -0.142 4.142 19 C 0.000 4.000 20 H 0.040 0.960 21 C -0.655 4.655 22 H 0.076 0.924 23 C -0.166 4.166 24 N -0.518 5.518 25 Si 0.855 3.145 26 H -0.211 1.211 27 H -0.210 1.210 28 H -0.191 1.191 29 C -0.016 4.016 30 C -0.061 4.061 31 H 0.073 0.927 32 H 0.080 0.920 33 H 0.074 0.926 34 H 0.085 0.915 35 H 0.086 0.914 36 H 0.080 0.920 37 H 0.075 0.925 38 H 0.087 0.913 39 H 0.090 0.910 40 H 0.072 0.928 41 H 0.071 0.929 42 H 0.113 0.887 43 H 0.077 0.923 44 H 0.165 0.835 45 H 0.082 0.918 46 H 0.077 0.923 47 H 0.070 0.930 48 H 0.073 0.927 49 H 0.080 0.920 50 H 0.105 0.895 51 H 0.083 0.917 52 H 0.087 0.913 53 H 0.183 0.817 Dipole moment (debyes) X Y Z Total from point charges 3.112 -13.188 -18.648 23.051 hybrid contribution 1.492 0.848 -0.216 1.730 sum 4.605 -12.340 -18.865 23.008 Atomic orbital electron populations 1.21893 0.94562 1.01788 1.02306 1.20566 0.96551 1.00771 0.94980 0.91157 1.21201 0.96861 1.00053 0.97185 1.21568 0.94469 0.99408 1.00381 1.22651 0.98607 0.99871 0.95389 1.20776 0.94605 0.91834 0.89278 0.90523 1.22492 0.97948 1.02266 1.00049 1.48085 1.08194 1.40292 1.33849 1.20394 0.87035 0.80186 0.82459 1.90248 1.14074 1.63756 1.70818 1.20018 0.87149 0.81656 0.83262 1.90249 1.15070 1.65811 1.68928 1.48490 1.08601 1.34800 1.37623 1.23174 0.78595 1.05627 0.99551 1.21958 0.99172 1.00421 0.95557 1.21510 0.97414 0.97277 0.97966 1.19193 0.91763 0.97510 0.91540 0.96006 1.21743 0.97166 1.15535 1.31068 0.92352 1.25747 0.94527 1.02968 0.93320 1.70906 1.37171 0.99432 1.44286 0.84189 0.76184 0.75892 0.78211 1.21051 1.21035 1.19140 1.22797 0.97795 0.91389 0.89606 1.22968 0.76460 1.03466 1.03235 0.92697 0.91970 0.92641 0.91483 0.91410 0.91978 0.92462 0.91307 0.91002 0.92840 0.92909 0.88702 0.92269 0.83523 0.91807 0.92332 0.92994 0.92707 0.91977 0.89452 0.91661 0.91276 0.81689 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -1.40 8.86 37.16 0.33 -1.07 16 2 C -0.11 -1.15 2.22 -93.85 -0.21 -1.36 16 3 H 0.07 0.86 6.93 -51.93 -0.36 0.50 16 4 C -0.12 -1.00 5.19 -28.40 -0.15 -1.15 16 5 C -0.12 -1.10 5.65 -27.18 -0.15 -1.26 16 6 C -0.13 -1.16 5.72 -24.76 -0.14 -1.30 16 7 C 0.14 1.45 2.15 -68.55 -0.15 1.31 16 8 H 0.08 0.70 6.89 -51.93 -0.36 0.35 16 9 C -0.17 -1.84 7.77 37.16 0.29 -1.55 16 10 N -0.57 -7.30 2.49 -168.07 -0.42 -7.72 16 11 C 0.51 7.92 7.18 -11.59 -0.08 7.84 16 12 O -0.51 -7.86 9.80 5.50 0.05 -7.81 16 13 C 0.50 9.10 7.65 -11.59 -0.09 9.01 16 14 O -0.52 -10.36 12.46 5.49 0.07 -10.29 16 15 N -0.56 -10.84 2.97 -173.28 -0.51 -11.35 16 16 C 0.05 0.86 6.17 -3.71 -0.02 0.83 16 17 C -0.13 -2.22 6.08 -26.61 -0.16 -2.38 16 18 C -0.10 -2.08 5.11 -26.70 -0.14 -2.22 16 19 C 0.02 0.47 1.87 -91.66 -0.17 0.29 16 20 H 0.02 0.54 6.70 -51.93 -0.35 0.19 16 21 C -0.62 -17.02 8.71 -34.44 -0.30 -17.32 16 22 H 0.06 1.72 7.99 -52.48 -0.42 1.30 16 23 C 0.04 1.21 5.20 -17.82 -0.09 1.12 16 24 N -0.89 -26.65 13.70 55.43 0.76 -25.89 16 25 Si 1.03 25.53 26.79 -169.99 -4.55 20.98 16 26 H -0.28 -7.09 7.11 56.52 0.40 -6.69 16 27 H -0.28 -6.79 7.11 56.52 0.40 -6.39 16 28 H -0.27 -6.47 6.31 56.52 0.36 -6.11 16 29 C 0.10 2.34 5.44 -3.71 -0.02 2.32 16 30 C 0.06 0.70 5.03 -4.98 -0.03 0.67 16 31 H 0.05 0.46 8.14 -51.93 -0.42 0.04 16 32 H 0.06 0.66 8.13 -51.93 -0.42 0.24 16 33 H 0.05 0.48 8.09 -51.93 -0.42 0.06 16 34 H 0.07 0.52 7.80 -51.93 -0.41 0.12 16 35 H 0.07 0.55 6.28 -51.93 -0.33 0.23 16 36 H 0.06 0.68 6.82 -51.93 -0.35 0.33 16 37 H 0.06 0.46 8.14 -51.93 -0.42 0.04 16 38 H 0.07 0.70 7.87 -51.93 -0.41 0.29 16 39 H 0.07 0.53 8.14 -51.93 -0.42 0.11 16 40 H 0.05 0.65 7.94 -51.93 -0.41 0.24 16 41 H 0.05 0.46 8.14 -51.93 -0.42 0.04 16 42 H 0.09 1.18 5.72 -51.93 -0.30 0.88 16 43 H 0.06 0.94 8.14 -51.93 -0.42 0.52 16 44 H 0.15 2.34 3.90 -56.66 -0.22 2.12 16 45 H 0.06 0.90 8.14 -51.93 -0.42 0.48 16 46 H 0.06 0.99 8.14 -51.93 -0.42 0.57 16 47 H 0.05 1.04 8.14 -51.93 -0.42 0.61 16 48 H 0.05 1.09 8.14 -51.93 -0.42 0.67 16 49 H 0.27 8.04 8.73 -40.82 -0.36 7.68 16 50 H 0.09 2.14 4.95 -51.93 -0.26 1.88 16 51 H 0.07 1.47 8.14 -51.93 -0.42 1.05 16 52 H 0.07 0.73 8.12 -51.93 -0.42 0.31 16 53 H 0.17 2.50 3.83 -56.71 -0.22 2.28 16 LS Contribution 382.86 15.07 5.77 5.77 Total: -1.00 -29.40 382.86 -9.19 -38.59 By element: Atomic # 1 Polarization: 13.00 SS G_CDS: -9.07 Total: 3.93 kcal Atomic # 6 Polarization: -4.92 SS G_CDS: -1.28 Total: -6.20 kcal Atomic # 7 Polarization: -44.79 SS G_CDS: -0.17 Total: -44.97 kcal Atomic # 8 Polarization: -18.22 SS G_CDS: 0.12 Total: -18.10 kcal Atomic # 14 Polarization: 25.53 SS G_CDS: -4.55 Total: 20.98 kcal Total LS contribution 5.77 Total: 5.77 kcal Total: -29.40 -9.19 -38.59 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. ZINC001329675597.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 -0.193 kcal (2) G-P(sol) polarization free energy of solvation -29.398 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -29.590 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.192 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.590 kcal (6) G-S(sol) free energy of system = (1) + (5) -38.782 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.13 seconds