Wall clock time and date at job start Sat Apr 11 2020 06:09:38 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 1.53002 * 1 3 3 C 1.52990 * 109.47462 * 2 1 4 4 C 1.52996 * 109.47610 * 179.97438 * 3 2 1 5 5 C 1.52999 * 109.47049 * 300.00366 * 4 3 2 6 6 O 1.42900 * 109.47387 * 179.97438 * 5 4 3 7 7 C 1.42898 * 114.00590 * 149.99696 * 6 5 4 8 8 C 1.50692 * 109.47545 * 180.02562 * 7 6 5 9 9 O 1.21276 * 120.00206 * 0.02562 * 8 7 6 10 10 N 1.34784 * 120.00062 * 180.02562 * 8 7 6 11 11 C 1.46494 * 119.99853 * 180.02562 * 10 8 7 12 12 C 1.52997 * 109.47092 * 180.02562 * 11 10 8 13 13 H 1.08999 * 109.67677 * 300.08836 * 12 11 10 14 14 C 1.53296 * 109.68640 * 179.53315 * 12 11 10 15 15 O 1.42965 * 109.22616 * 187.97387 * 14 12 11 16 16 C 1.42955 * 114.16497 * 62.57992 * 15 14 12 17 17 C 1.53297 * 109.22478 * 297.41898 * 16 15 14 18 18 N 1.47149 * 109.68421 * 60.60640 * 12 11 10 19 19 C 1.36942 * 120.98345 * 350.23472 * 18 12 11 20 20 H 1.08002 * 119.99151 * 31.21134 * 19 18 12 21 21 C 1.38808 * 120.00503 * 211.20645 * 19 18 12 22 22 N 1.31619 * 119.99625 * 10.72869 * 21 19 18 23 23 Si 1.86801 * 120.00247 * 190.72829 * 21 19 18 24 24 H 1.48502 * 109.46780 * 0.02562 * 23 21 19 25 25 H 1.48496 * 109.47179 * 119.99762 * 23 21 19 26 26 H 1.48494 * 109.47075 * 240.00130 * 23 21 19 27 27 C 1.53001 * 109.47282 * 59.99755 * 5 4 3 28 28 C 1.52999 * 109.46886 * 120.00175 * 2 1 3 29 29 H 1.08999 * 109.46965 * 59.99896 * 1 2 3 30 30 H 1.09000 * 109.47294 * 179.97438 * 1 2 3 31 31 H 1.08996 * 109.47051 * 300.00419 * 1 2 3 32 32 H 1.09005 * 109.47181 * 239.99593 * 2 1 3 33 33 H 1.09005 * 109.47254 * 59.99638 * 3 2 1 34 34 H 1.09007 * 109.47463 * 300.00003 * 3 2 1 35 35 H 1.08998 * 109.47787 * 180.02562 * 4 3 2 36 36 H 1.09005 * 109.46870 * 59.99693 * 4 3 2 37 37 H 1.08995 * 109.47218 * 299.99607 * 5 4 3 38 38 H 1.09006 * 109.46644 * 59.99565 * 7 6 5 39 39 H 1.09005 * 109.47057 * 300.00729 * 7 6 5 40 40 H 0.97000 * 119.99581 * 0.02562 * 10 8 7 41 41 H 1.09010 * 109.47077 * 299.99523 * 11 10 8 42 42 H 1.08994 * 109.47840 * 60.00158 * 11 10 8 43 43 H 1.09004 * 109.50969 * 307.89915 * 14 12 11 44 44 H 1.09004 * 109.51195 * 68.04454 * 14 12 11 45 45 H 1.09003 * 109.51017 * 177.49477 * 16 15 14 46 46 H 1.09003 * 109.51824 * 57.34305 * 16 15 14 47 47 H 1.09001 * 109.67880 * 292.58098 * 17 16 15 48 48 H 1.09002 * 109.68166 * 172.02987 * 17 16 15 49 49 H 0.97008 * 119.99909 * 179.97438 * 22 21 19 50 50 H 1.08995 * 109.47115 * 59.99789 * 27 5 4 51 51 H 1.08999 * 109.47184 * 179.97438 * 27 5 4 52 52 H 1.09005 * 109.47163 * 300.00014 * 28 2 1 53 53 H 1.09007 * 109.47172 * 59.99630 * 28 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 6 2.0401 1.4424 0.0000 4 6 3.5700 1.4424 0.0006 5 6 4.0795 0.7213 1.2502 6 8 5.5085 0.7208 1.2505 7 6 6.0895 0.7209 2.5561 8 6 7.5917 0.7210 2.4374 9 8 8.1136 0.7213 1.3427 10 7 8.3555 0.7206 3.5480 11 6 9.8159 0.7212 3.4326 12 6 10.4379 0.7200 4.8304 13 1 10.1167 1.6073 5.3759 14 6 11.9665 0.7088 4.7154 15 8 12.5349 0.5205 6.0137 16 6 12.1963 -0.7264 6.6254 17 6 10.6795 -0.7888 6.8383 18 7 10.0185 -0.4881 5.5585 19 6 9.0415 -1.3080 5.0600 20 1 8.9160 -1.4111 3.9923 21 6 8.2127 -2.0068 5.9269 22 7 8.2197 -1.7267 7.2130 23 14 7.0873 -3.3444 5.2684 24 1 7.2679 -3.4643 3.7993 25 1 7.4245 -4.6378 5.9153 26 1 5.6753 -2.9948 5.5672 27 6 3.5695 -0.7212 1.2501 28 6 2.0400 -0.7213 1.2492 29 1 -0.3633 0.5138 -0.8900 30 1 -0.3634 -1.0277 -0.0005 31 1 -0.3633 0.5139 0.8899 32 1 1.8934 -0.5139 -0.8900 33 1 1.6767 1.9563 0.8900 34 1 1.6768 1.9563 -0.8900 35 1 3.9334 2.4700 0.0011 36 1 3.9337 0.9284 -0.8891 37 1 3.7159 1.2352 2.1399 38 1 5.7673 -0.1688 3.0972 39 1 5.7680 1.6112 3.0967 40 1 7.9381 0.7199 4.4236 41 1 10.1380 -0.1685 2.8913 42 1 10.1374 1.6116 2.8924 43 1 12.2764 -0.1056 4.0606 44 1 12.3075 1.6584 4.3029 45 1 12.7027 -0.8094 7.5871 46 1 12.5070 -1.5461 5.9776 47 1 10.3833 -0.0533 7.5863 48 1 10.3964 -1.7871 7.1722 49 1 7.6402 -2.2147 7.8188 50 1 3.9331 -1.2351 0.3604 51 1 3.9328 -1.2351 2.1401 52 1 1.6766 -0.2075 2.1393 53 1 1.6765 -1.7490 1.2492 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 ZINC001570076853.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 06:09:38 Heat of formation + Delta-G solvation = -122.193561 kcal Electronic energy + Delta-G solvation = -31209.069571 eV Core-core repulsion = 27080.808602 eV Total energy + Delta-G solvation = -4128.260969 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.86 seconds Orbital eigenvalues (eV) -39.68081 -39.06589 -38.28010 -36.65482 -35.27442 -33.57800 -31.97048 -31.58449 -30.96814 -30.49909 -28.19827 -27.15644 -25.89202 -24.75284 -23.48534 -22.85771 -21.73909 -21.33753 -20.18648 -19.85417 -19.58879 -17.22333 -16.90451 -16.21994 -16.04750 -15.71210 -15.50415 -15.29039 -14.69957 -14.60886 -14.46506 -14.40959 -14.20673 -13.93119 -13.77335 -13.49611 -13.07321 -13.00387 -12.91095 -12.72810 -12.45932 -12.39933 -12.05017 -11.87203 -11.66520 -11.52084 -11.26641 -11.09637 -10.96481 -10.94310 -10.77744 -10.76731 -10.53141 -10.43128 -10.35795 -10.27416 -10.08849 -9.69042 -9.41899 -9.33437 -8.97469 -8.71937 -8.29004 -6.77194 -5.95368 -3.45199 3.11796 3.21718 3.22649 3.32642 3.36367 4.18073 4.30547 4.48431 4.50605 4.53567 4.69781 4.94040 4.96997 5.10836 5.14758 5.21493 5.25413 5.26985 5.33281 5.34502 5.36706 5.43246 5.49408 5.57845 5.58950 5.64924 5.65248 5.71134 5.83940 5.86650 5.93846 5.96430 6.00169 6.03714 6.07139 6.07894 6.13851 6.20275 6.21652 6.28494 6.30779 6.50047 6.73417 7.04379 7.06197 7.24919 7.45713 7.66776 7.84404 8.18753 8.25219 8.81642 9.01339 9.61518 10.20868 11.10953 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015513 B = 0.002831 C = 0.002478 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1804.448027 B = 9889.174441 C =11294.938536 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 -0.096 4.096 3 C -0.110 4.110 4 C -0.115 4.115 5 C 0.089 3.911 6 O -0.357 6.357 7 C 0.044 3.956 8 C 0.510 3.490 9 O -0.543 6.543 10 N -0.694 5.694 11 C 0.138 3.862 12 C 0.125 3.875 13 H 0.042 0.958 14 C 0.056 3.944 15 O -0.393 6.393 16 C 0.035 3.965 17 C 0.144 3.856 18 N -0.592 5.592 19 C -0.254 4.254 20 H 0.075 0.925 21 C 0.009 3.991 22 N -0.899 5.899 23 Si 0.892 3.108 24 H -0.275 1.275 25 H -0.287 1.287 26 H -0.288 1.288 27 C -0.145 4.145 28 C -0.111 4.111 29 H 0.053 0.947 30 H 0.053 0.947 31 H 0.054 0.946 32 H 0.071 0.929 33 H 0.063 0.937 34 H 0.066 0.934 35 H 0.069 0.931 36 H 0.071 0.929 37 H 0.060 0.940 38 H 0.079 0.921 39 H 0.075 0.925 40 H 0.415 0.585 41 H 0.067 0.933 42 H 0.059 0.941 43 H 0.047 0.953 44 H 0.083 0.917 45 H 0.079 0.921 46 H 0.041 0.959 47 H 0.029 0.971 48 H 0.092 0.908 49 H 0.255 0.745 50 H 0.072 0.928 51 H 0.066 0.934 52 H 0.062 0.938 53 H 0.064 0.936 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.739 5.299 -8.115 13.739 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 -0.114 4.114 3 C -0.148 4.148 4 C -0.152 4.152 5 C 0.031 3.969 6 O -0.275 6.275 7 C -0.036 4.036 8 C 0.295 3.705 9 O -0.421 6.421 10 N -0.348 5.348 11 C 0.014 3.986 12 C 0.018 3.982 13 H 0.059 0.941 14 C -0.023 4.023 15 O -0.311 6.311 16 C -0.043 4.043 17 C 0.018 3.982 18 N -0.317 5.317 19 C -0.384 4.384 20 H 0.092 0.908 21 C -0.190 4.190 22 N -0.543 5.543 23 Si 0.721 3.279 24 H -0.200 1.200 25 H -0.213 1.213 26 H -0.215 1.215 27 C -0.183 4.183 28 C -0.149 4.149 29 H 0.072 0.928 30 H 0.073 0.927 31 H 0.073 0.927 32 H 0.090 0.910 33 H 0.081 0.919 34 H 0.085 0.915 35 H 0.088 0.912 36 H 0.090 0.910 37 H 0.078 0.922 38 H 0.097 0.903 39 H 0.093 0.907 40 H 0.253 0.747 41 H 0.085 0.915 42 H 0.077 0.923 43 H 0.065 0.935 44 H 0.101 0.899 45 H 0.098 0.902 46 H 0.059 0.941 47 H 0.048 0.952 48 H 0.110 0.890 49 H 0.065 0.935 50 H 0.091 0.909 51 H 0.085 0.915 52 H 0.081 0.919 53 H 0.083 0.917 Dipole moment (debyes) X Y Z Total from point charges -9.246 5.353 -8.841 13.867 hybrid contribution -1.159 -1.150 0.507 1.710 sum -10.405 4.203 -8.333 13.978 Atomic orbital electron populations 1.21827 0.95281 1.01661 1.01671 1.21193 0.95333 0.96177 0.98727 1.21562 0.94626 0.96423 1.02149 1.21563 0.94970 1.00885 0.97826 1.22146 0.80807 0.95414 0.98553 1.88021 1.18771 1.95075 1.25627 1.22247 0.92463 1.02431 0.86414 1.20061 0.88340 0.77316 0.84799 1.90661 1.74673 1.50007 1.26787 1.45888 1.06769 1.73004 1.09130 1.21147 0.79662 1.01008 0.96757 1.21436 0.93134 0.91796 0.91846 0.94056 1.22866 0.93892 1.00526 0.85027 1.87801 1.72584 1.38918 1.31815 1.23352 0.99327 0.85071 0.96563 1.21420 0.86872 1.02273 0.87608 1.44103 1.42568 1.22857 1.22204 1.19308 1.07552 1.19599 0.91919 0.90764 1.25138 0.97709 1.00387 0.95788 1.69989 1.40436 1.41671 1.02219 0.86375 0.80519 0.82220 0.78795 1.19986 1.21348 1.21455 1.22065 0.95594 0.97421 1.03233 1.21548 0.94891 1.00608 0.97844 0.92770 0.92740 0.92711 0.91027 0.91856 0.91489 0.91228 0.90979 0.92175 0.90288 0.90708 0.74716 0.91482 0.92259 0.93464 0.89870 0.90237 0.94110 0.95246 0.88963 0.93489 0.90939 0.91542 0.91884 0.91684 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 -0.15 -1.05 9.19 37.16 0.34 -0.71 16 2 C -0.10 -0.81 2.72 -90.62 -0.25 -1.06 16 3 C -0.11 -0.93 5.20 -26.74 -0.14 -1.07 16 4 C -0.11 -1.23 5.57 -26.73 -0.15 -1.38 16 5 C 0.09 1.11 2.61 -26.73 -0.07 1.04 16 6 O -0.36 -5.84 9.52 -55.14 -0.52 -6.36 16 7 C 0.04 0.70 6.23 36.00 0.22 0.93 16 8 C 0.51 9.72 7.91 -10.99 -0.09 9.64 16 9 O -0.54 -12.19 16.50 -14.35 -0.24 -12.43 16 10 N -0.69 -12.92 3.77 -60.30 -0.23 -13.15 16 11 C 0.14 2.55 4.45 -4.05 -0.02 2.53 16 12 C 0.12 2.40 3.21 -67.42 -0.22 2.19 16 13 H 0.04 0.82 8.14 -51.93 -0.42 0.40 16 14 C 0.06 0.98 6.29 37.31 0.23 1.21 16 15 O -0.39 -7.57 10.74 -35.23 -0.38 -7.95 16 16 C 0.03 0.66 6.98 37.31 0.26 0.92 16 17 C 0.14 3.21 5.38 -3.53 -0.02 3.19 16 18 N -0.59 -13.36 3.03 -164.30 -0.50 -13.86 16 19 C -0.25 -6.17 7.06 -15.06 -0.11 -6.27 16 20 H 0.07 1.85 5.81 -52.49 -0.30 1.55 16 21 C 0.01 0.23 5.06 -17.43 -0.09 0.15 16 22 N -0.90 -23.67 11.13 55.49 0.62 -23.05 16 23 Si 0.89 20.29 29.57 -169.99 -5.03 15.26 16 24 H -0.28 -6.34 7.11 56.52 0.40 -5.94 16 25 H -0.29 -6.69 7.11 56.52 0.40 -6.29 16 26 H -0.29 -6.50 7.11 56.52 0.40 -6.10 16 27 C -0.15 -1.73 5.54 -26.75 -0.15 -1.88 16 28 C -0.11 -1.06 5.20 -26.76 -0.14 -1.20 16 29 H 0.05 0.35 8.14 -51.93 -0.42 -0.07 16 30 H 0.05 0.38 8.14 -51.93 -0.42 -0.05 16 31 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 32 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 33 H 0.06 0.51 8.14 -51.93 -0.42 0.09 16 34 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 35 H 0.07 0.74 8.14 -51.93 -0.42 0.32 16 36 H 0.07 0.82 8.14 -51.93 -0.42 0.40 16 37 H 0.06 0.68 7.79 -51.93 -0.40 0.27 16 38 H 0.08 1.22 7.87 -51.93 -0.41 0.81 16 39 H 0.08 0.98 8.09 -51.93 -0.42 0.56 16 40 H 0.42 7.88 7.32 -40.82 -0.30 7.58 16 41 H 0.07 1.35 7.57 -51.92 -0.39 0.96 16 42 H 0.06 1.00 8.14 -51.93 -0.42 0.57 16 43 H 0.05 0.83 8.14 -51.93 -0.42 0.40 16 44 H 0.08 1.23 8.14 -51.93 -0.42 0.80 16 45 H 0.08 1.33 8.14 -51.93 -0.42 0.91 16 46 H 0.04 0.77 8.14 -51.93 -0.42 0.35 16 47 H 0.03 0.70 8.14 -51.93 -0.42 0.28 16 48 H 0.09 2.27 6.33 -51.93 -0.33 1.94 16 49 H 0.25 6.58 8.31 -40.82 -0.34 6.24 16 50 H 0.07 0.91 8.14 -51.93 -0.42 0.49 16 51 H 0.07 0.85 7.87 -51.93 -0.41 0.45 16 52 H 0.06 0.58 8.14 -51.93 -0.42 0.15 16 53 H 0.06 0.59 8.14 -51.92 -0.42 0.17 16 LS Contribution 407.67 15.07 6.14 6.14 Total: -1.00 -29.45 407.67 -10.21 -39.66 By element: Atomic # 1 Polarization: 17.21 SS G_CDS: -9.71 Total: 7.50 kcal Atomic # 6 Polarization: 8.59 SS G_CDS: -0.37 Total: 8.22 kcal Atomic # 7 Polarization: -49.95 SS G_CDS: -0.11 Total: -50.05 kcal Atomic # 8 Polarization: -25.60 SS G_CDS: -1.14 Total: -26.74 kcal Atomic # 14 Polarization: 20.29 SS G_CDS: -5.03 Total: 15.26 kcal Total LS contribution 6.14 Total: 6.14 kcal Total: -29.45 -10.21 -39.66 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. ZINC001570076853.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 -82.535 kcal (2) G-P(sol) polarization free energy of solvation -29.452 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -111.987 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.207 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.659 kcal (6) G-S(sol) free energy of system = (1) + (5) -122.194 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.86 seconds