Wall clock time and date at job start Sat Apr 11 2020 06:10:16 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 1.53003 * 1 3 3 C 1.52996 * 109.47122 * 2 1 4 4 H 1.08995 * 109.47458 * 55.00316 * 3 2 1 5 5 O 1.42905 * 109.47413 * 294.99902 * 3 2 1 6 6 C 1.42898 * 113.99792 * 149.99992 * 5 3 2 7 7 C 1.50707 * 109.46940 * 175.00393 * 3 2 1 8 8 O 1.21279 * 120.00255 * 115.00337 * 7 3 2 9 9 N 1.34781 * 119.99624 * 295.00042 * 7 3 2 10 10 C 1.46499 * 119.99819 * 180.02562 * 9 7 3 11 11 H 1.09004 * 109.49999 * 35.06720 * 10 9 7 12 12 C 1.53179 * 109.49773 * 275.00099 * 10 9 7 13 13 N 1.46928 * 108.81441 * 185.39669 * 12 10 9 14 14 C 1.36944 * 120.64337 * 233.62756 * 13 12 10 15 15 H 1.07995 * 120.00424 * 152.18873 * 14 13 12 16 16 C 1.38815 * 119.99608 * 332.20213 * 14 13 12 17 17 N 1.31617 * 120.00102 * 143.77829 * 16 14 13 18 18 Si 1.86799 * 119.99678 * 323.76891 * 16 14 13 19 19 H 1.48503 * 109.47161 * 270.00345 * 18 16 14 20 20 H 1.48498 * 109.47322 * 30.00703 * 18 16 14 21 21 H 1.48500 * 109.47175 * 150.00742 * 18 16 14 22 22 C 1.46949 * 118.71998 * 53.89309 * 13 12 10 23 23 C 1.53555 * 108.51331 * 306.18068 * 22 13 12 24 24 C 1.53065 * 109.45819 * 174.84898 * 23 22 13 25 25 C 1.53123 * 109.16586 * 176.84917 * 24 23 22 26 26 O 1.42895 * 109.40606 * 302.52690 * 25 24 23 27 27 C 1.42898 * 114.12769 * 61.18944 * 26 25 24 28 28 C 1.53086 * 109.62591 * 294.61854 * 23 22 13 29 29 C 1.52947 * 109.40408 * 54.76501 * 23 22 13 30 30 H 1.08997 * 109.47046 * 59.99823 * 1 2 3 31 31 H 1.08996 * 109.47430 * 179.97438 * 1 2 3 32 32 H 1.08997 * 109.46917 * 300.00150 * 1 2 3 33 33 H 1.09009 * 109.46679 * 240.00168 * 2 1 3 34 34 H 1.08997 * 109.47046 * 120.00177 * 2 1 3 35 35 H 1.09004 * 109.47411 * 300.00307 * 6 5 3 36 36 H 1.09004 * 109.47212 * 60.00618 * 6 5 3 37 37 H 1.09005 * 109.46836 * 180.02562 * 6 5 3 38 38 H 0.96999 * 120.00180 * 359.97438 * 9 7 3 39 39 H 1.09007 * 109.58499 * 65.59732 * 12 10 9 40 40 H 1.09003 * 109.69202 * 305.25862 * 12 10 9 41 41 H 0.96995 * 120.00049 * 354.91185 * 17 16 14 42 42 H 1.09006 * 109.58624 * 66.01439 * 22 13 12 43 43 H 1.09004 * 109.59228 * 186.44236 * 22 13 12 44 44 H 1.08997 * 109.52520 * 296.75196 * 24 23 22 45 45 H 1.08999 * 109.52208 * 56.94367 * 24 23 22 46 46 H 1.09002 * 109.47522 * 182.54745 * 25 24 23 47 47 H 1.08998 * 109.48032 * 62.51284 * 25 24 23 48 48 H 1.09008 * 109.48971 * 178.81848 * 27 26 25 49 49 H 1.09004 * 109.48750 * 58.77303 * 27 26 25 50 50 H 1.09002 * 109.52221 * 303.13725 * 28 23 22 51 51 H 1.09004 * 109.52848 * 63.33209 * 28 23 22 52 52 H 1.09003 * 109.46045 * 178.59937 * 29 23 22 53 53 H 1.09004 * 109.46048 * 58.63962 * 29 23 22 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 1 1.6055 1.9815 0.8418 5 8 1.6620 2.0814 -1.2211 6 6 1.4560 3.4903 -1.1002 7 6 3.5420 1.4442 0.1237 8 8 4.2251 1.8610 -0.7876 9 7 4.1261 0.9826 1.2473 10 6 5.5861 0.9848 1.3678 11 1 5.9917 1.8607 0.8614 12 6 6.1540 -0.2852 0.7267 13 7 7.6024 -0.3315 0.9692 14 6 8.4797 -0.4832 -0.0713 15 1 9.4810 -0.0855 0.0043 16 6 8.0820 -1.1478 -1.2232 17 7 8.5143 -0.7435 -2.3988 18 14 6.9333 -2.6161 -1.1048 19 1 7.7325 -3.8595 -0.9615 20 1 6.0478 -2.4579 0.0767 21 1 6.1066 -2.6983 -2.3356 22 6 8.0911 -0.2179 2.3503 23 6 7.5005 1.0553 2.9733 24 6 7.8914 1.1284 4.4514 25 6 7.3663 2.4380 5.0462 26 8 7.8924 3.5407 4.3051 27 6 7.5169 3.5501 2.9263 28 6 8.0486 2.2857 2.2459 29 6 5.9766 1.0229 2.8472 30 1 -0.3633 0.5138 -0.8899 31 1 -0.3634 -1.0276 -0.0005 32 1 -0.3633 0.5138 0.8900 33 1 1.8933 -0.5139 -0.8901 34 1 1.8933 -0.5138 0.8899 35 1 0.6619 3.6808 -0.3782 36 1 2.3770 3.9644 -0.7609 37 1 1.1716 3.9003 -2.0693 38 1 3.5797 0.6496 1.9763 39 1 5.9636 -0.2693 -0.3465 40 1 5.6815 -1.1625 1.1685 41 1 9.0504 0.0618 -2.4677 42 1 7.7741 -1.0895 2.9230 43 1 9.1793 -0.1550 2.3490 44 1 7.4547 0.2848 4.9859 45 1 8.9771 1.0963 4.5430 46 1 7.6807 2.5163 6.0869 47 1 6.2776 2.4505 4.9931 48 1 7.9395 4.4296 2.4403 49 1 6.4302 3.5769 2.8455 50 1 9.1377 2.2793 2.2892 51 1 7.7243 2.2683 1.2053 52 1 5.5547 1.9145 3.3113 53 1 5.5895 0.1354 3.3479 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 ZINC001099567229.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 06:10:16 Heat of formation + Delta-G solvation = -109.187061 kcal Electronic energy + Delta-G solvation = -32946.379460 eV Core-core repulsion = 28818.682495 eV Total energy + Delta-G solvation = -4127.696965 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.79 seconds Orbital eigenvalues (eV) -40.48596 -39.67139 -37.71216 -36.82100 -34.46662 -33.84012 -33.57528 -31.41218 -30.92586 -29.88280 -27.74872 -27.38602 -26.01232 -25.22957 -23.52612 -23.02184 -22.52204 -21.59191 -20.46948 -20.12570 -18.31513 -17.42077 -17.11931 -17.05042 -16.20255 -15.88058 -15.59904 -15.15405 -15.12195 -14.62612 -14.45872 -14.30176 -14.12158 -14.00500 -13.92617 -13.60237 -13.53739 -13.37227 -12.77617 -12.55531 -12.37462 -12.11487 -12.07701 -11.81907 -11.64693 -11.58762 -11.47534 -11.28973 -11.10270 -10.98692 -10.89912 -10.68536 -10.50421 -10.44732 -10.28752 -9.96549 -9.81536 -9.69988 -9.29554 -9.19243 -9.07588 -8.77673 -8.19303 -6.97283 -6.32694 -3.22420 2.81228 3.21255 3.53233 3.57898 3.72820 3.73062 4.00335 4.64636 4.69800 4.73098 4.77124 4.81025 4.91717 5.03428 5.08063 5.13427 5.17404 5.20658 5.26781 5.33015 5.34112 5.38197 5.45201 5.48295 5.56960 5.59506 5.63325 5.66948 5.75585 5.76091 5.82369 5.92676 5.94752 5.99137 6.10015 6.11226 6.11640 6.23103 6.38631 6.44606 6.57446 6.62681 6.67944 6.73734 6.85154 6.93881 7.00637 7.32828 7.73272 8.09081 8.46469 8.50928 9.04976 9.67514 10.24817 11.07550 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.008054 B = 0.005314 C = 0.003773 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3475.823096 B = 5268.005567 C = 7420.008678 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 -0.119 4.119 3 C 0.076 3.924 4 H 0.082 0.918 5 O -0.355 6.355 6 C 0.030 3.970 7 C 0.482 3.518 8 O -0.512 6.512 9 N -0.725 5.725 10 C 0.121 3.879 11 H 0.091 0.909 12 C 0.139 3.861 13 N -0.590 5.590 14 C -0.366 4.366 15 H 0.065 0.935 16 C 0.010 3.990 17 N -0.891 5.891 18 Si 1.013 2.987 19 H -0.298 1.298 20 H -0.272 1.272 21 H -0.294 1.294 22 C 0.155 3.845 23 C -0.070 4.070 24 C -0.142 4.142 25 C 0.062 3.938 26 O -0.387 6.387 27 C 0.060 3.940 28 C -0.136 4.136 29 C -0.110 4.110 30 H 0.063 0.937 31 H 0.059 0.941 32 H 0.052 0.948 33 H 0.081 0.919 34 H 0.081 0.919 35 H 0.039 0.961 36 H 0.044 0.956 37 H 0.088 0.912 38 H 0.392 0.608 39 H 0.071 0.929 40 H 0.028 0.972 41 H 0.268 0.732 42 H 0.021 0.979 43 H 0.060 0.940 44 H 0.070 0.930 45 H 0.072 0.928 46 H 0.086 0.914 47 H 0.047 0.953 48 H 0.088 0.912 49 H 0.046 0.954 50 H 0.066 0.934 51 H 0.089 0.911 52 H 0.057 0.943 53 H 0.062 0.938 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -14.243 5.814 14.140 20.895 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 -0.157 4.157 3 C 0.014 3.986 4 H 0.100 0.900 5 O -0.272 6.272 6 C -0.066 4.066 7 C 0.266 3.734 8 O -0.385 6.385 9 N -0.378 5.378 10 C 0.015 3.985 11 H 0.109 0.891 12 C 0.012 3.988 13 N -0.313 5.313 14 C -0.493 4.493 15 H 0.083 0.917 16 C -0.195 4.195 17 N -0.527 5.527 18 Si 0.842 3.158 19 H -0.226 1.226 20 H -0.198 1.198 21 H -0.220 1.220 22 C 0.029 3.971 23 C -0.073 4.073 24 C -0.180 4.180 25 C -0.015 4.015 26 O -0.306 6.306 27 C -0.017 4.017 28 C -0.174 4.174 29 C -0.148 4.148 30 H 0.082 0.918 31 H 0.078 0.922 32 H 0.071 0.929 33 H 0.100 0.900 34 H 0.099 0.901 35 H 0.058 0.942 36 H 0.063 0.937 37 H 0.107 0.893 38 H 0.225 0.775 39 H 0.089 0.911 40 H 0.046 0.954 41 H 0.078 0.922 42 H 0.039 0.961 43 H 0.079 0.921 44 H 0.088 0.912 45 H 0.090 0.910 46 H 0.105 0.895 47 H 0.065 0.935 48 H 0.106 0.894 49 H 0.064 0.936 50 H 0.085 0.915 51 H 0.107 0.893 52 H 0.076 0.924 53 H 0.081 0.919 Dipole moment (debyes) X Y Z Total from point charges -14.333 5.004 12.401 19.602 hybrid contribution 0.399 0.866 1.350 1.653 sum -13.934 5.869 13.751 20.438 Atomic orbital electron populations 1.21716 0.94548 1.02022 1.02185 1.21608 0.97066 0.93056 1.03992 1.22120 0.91208 0.96266 0.88996 0.90047 1.88004 1.88047 1.20693 1.30460 1.22835 0.99603 0.81634 1.02548 1.21346 0.90987 0.78345 0.82712 1.90787 1.64765 1.44997 1.37987 1.46187 1.08261 1.65116 1.18276 1.21908 0.77912 1.02576 0.96084 0.89135 1.21708 0.84676 0.92777 0.99636 1.44206 1.00846 1.84507 1.01703 1.19955 0.97171 1.37235 0.94932 0.91739 1.26054 1.00650 1.01339 0.91461 1.70869 1.33530 1.24613 1.23685 0.84681 0.77003 0.78379 0.75724 1.22640 1.19807 1.22043 1.21107 0.97613 0.92197 0.86207 1.21060 0.94118 0.98103 0.93976 1.22168 1.02064 0.97754 0.96043 1.22554 0.97323 0.86366 0.95254 1.87873 1.74864 1.46387 1.21520 1.22664 0.98663 0.98788 0.81555 1.22138 1.01126 0.93025 1.01096 1.21812 0.96219 1.01175 0.95608 0.91789 0.92234 0.92928 0.90039 0.90091 0.94239 0.93680 0.89320 0.77489 0.91113 0.95385 0.92177 0.96094 0.92105 0.91153 0.90962 0.89549 0.93498 0.89430 0.93587 0.91501 0.89279 0.92420 0.91914 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. 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 -1.26 9.81 37.16 0.36 -0.89 16 2 C -0.12 -1.29 5.61 -26.73 -0.15 -1.44 16 3 C 0.08 0.94 2.52 -27.88 -0.07 0.87 16 4 H 0.08 0.76 7.79 -51.93 -0.40 0.35 16 5 O -0.36 -5.09 9.42 -55.09 -0.52 -5.60 16 6 C 0.03 0.34 10.81 101.05 1.09 1.43 16 7 C 0.48 7.93 7.10 -10.98 -0.08 7.85 16 8 O -0.51 -11.30 16.17 -14.30 -0.23 -11.53 16 9 N -0.72 -10.44 4.98 -53.69 -0.27 -10.70 16 10 C 0.12 2.11 2.27 -67.81 -0.15 1.95 16 11 H 0.09 1.86 5.72 -51.93 -0.30 1.57 16 12 C 0.14 3.03 3.94 -3.72 -0.01 3.01 16 13 N -0.59 -13.68 2.21 -172.07 -0.38 -14.06 16 14 C -0.37 -10.14 9.71 -15.06 -0.15 -10.29 16 15 H 0.06 1.92 8.06 -52.49 -0.42 1.49 16 16 C 0.01 0.30 4.81 -17.43 -0.08 0.22 16 17 N -0.89 -27.98 13.70 55.49 0.76 -27.21 16 18 Si 1.01 25.97 27.00 -169.99 -4.59 21.38 16 19 H -0.30 -7.56 7.11 56.52 0.40 -7.16 16 20 H -0.27 -6.35 4.73 56.52 0.27 -6.09 16 21 H -0.29 -7.79 7.11 56.52 0.40 -7.39 16 22 C 0.16 2.95 5.24 -3.51 -0.02 2.93 16 23 C -0.07 -1.08 0.52 -154.17 -0.08 -1.16 16 24 C -0.14 -1.79 4.92 -26.63 -0.13 -1.92 16 25 C 0.06 0.72 6.57 37.22 0.24 0.97 16 26 O -0.39 -5.57 10.76 -35.23 -0.38 -5.95 16 27 C 0.06 0.86 6.57 37.22 0.24 1.10 16 28 C -0.14 -2.26 4.49 -26.63 -0.12 -2.38 16 29 C -0.11 -1.56 3.63 -26.73 -0.10 -1.66 16 30 H 0.06 0.60 7.82 -51.93 -0.41 0.19 16 31 H 0.06 0.46 8.14 -51.93 -0.42 0.03 16 32 H 0.05 0.37 8.14 -51.93 -0.42 -0.06 16 33 H 0.08 1.06 8.14 -51.92 -0.42 0.64 16 34 H 0.08 0.73 7.77 -51.93 -0.40 0.33 16 35 H 0.04 0.33 8.09 -51.93 -0.42 -0.09 16 36 H 0.04 0.55 8.14 -51.93 -0.42 0.13 16 37 H 0.09 0.87 8.14 -51.93 -0.42 0.44 16 38 H 0.39 4.10 8.31 -40.82 -0.34 3.76 16 39 H 0.07 1.83 5.81 -51.92 -0.30 1.53 16 40 H 0.03 0.60 6.59 -51.93 -0.34 0.26 16 41 H 0.27 8.37 8.73 -40.82 -0.36 8.01 16 42 H 0.02 0.39 8.14 -51.93 -0.42 -0.04 16 43 H 0.06 1.21 7.93 -51.93 -0.41 0.79 16 44 H 0.07 0.78 8.14 -51.93 -0.42 0.36 16 45 H 0.07 0.94 8.14 -51.93 -0.42 0.52 16 46 H 0.09 0.85 8.14 -51.93 -0.42 0.43 16 47 H 0.05 0.51 6.59 -51.93 -0.34 0.17 16 48 H 0.09 1.19 8.14 -51.92 -0.42 0.76 16 49 H 0.05 0.64 6.64 -51.93 -0.34 0.29 16 50 H 0.07 1.17 8.14 -51.93 -0.42 0.74 16 51 H 0.09 1.77 5.92 -51.93 -0.31 1.46 16 52 H 0.06 0.73 5.03 -51.93 -0.26 0.47 16 53 H 0.06 0.82 8.14 -51.93 -0.42 0.39 16 LS Contribution 396.21 15.07 5.97 5.97 Total: -1.00 -34.62 396.21 -8.20 -42.82 By element: Atomic # 1 Polarization: 13.65 SS G_CDS: -9.36 Total: 4.29 kcal Atomic # 6 Polarization: -0.20 SS G_CDS: 0.80 Total: 0.60 kcal Atomic # 7 Polarization: -52.09 SS G_CDS: 0.11 Total: -51.98 kcal Atomic # 8 Polarization: -21.95 SS G_CDS: -1.13 Total: -23.08 kcal Atomic # 14 Polarization: 25.97 SS G_CDS: -4.59 Total: 21.38 kcal Total LS contribution 5.97 Total: 5.97 kcal Total: -34.62 -8.20 -42.82 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. ZINC001099567229.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 -66.369 kcal (2) G-P(sol) polarization free energy of solvation -34.621 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -100.991 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.196 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.818 kcal (6) G-S(sol) free energy of system = (1) + (5) -109.187 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.79 seconds