Wall clock time and date at job start Wed Apr 1 2020 02:12:22 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 1.50696 * 1 3 3 C 1.38260 * 120.00038 * 2 1 4 4 C 1.38213 * 119.99751 * 180.23306 * 3 2 1 5 5 C 1.38263 * 120.00090 * 359.80763 * 4 3 2 6 6 C 1.38208 * 119.99849 * 0.02562 * 5 4 3 7 7 C 1.38219 * 119.99989 * 179.81249 * 2 1 3 8 8 C 1.50698 * 119.99957 * 0.02562 * 7 2 1 9 9 H 1.09010 * 115.55855 * 334.03299 * 8 7 2 10 10 C 1.53001 * 117.49987 * 188.35019 * 8 7 2 11 11 C 1.52994 * 117.50128 * 119.72318 * 8 7 2 12 12 H 1.08994 * 117.49962 * 359.97438 * 11 8 7 13 13 C 1.50699 * 117.50247 * 214.97618 * 11 8 7 14 14 O 1.21284 * 120.00006 * 0.02562 * 13 11 8 15 15 N 1.34774 * 120.00044 * 180.02562 * 13 11 8 16 16 C 1.46504 * 119.99815 * 180.02562 * 15 13 11 17 17 C 1.52997 * 109.47305 * 180.02562 * 16 15 13 18 18 C 1.52999 * 109.47353 * 179.97438 * 17 16 15 19 19 H 1.08995 * 110.88901 * 308.88478 * 18 17 16 20 20 C 1.55155 * 111.00332 * 184.99653 * 18 17 16 21 21 C 1.54325 * 102.94415 * 206.38496 * 20 18 17 22 22 N 1.47026 * 107.26985 * 22.19811 * 21 20 18 23 23 C 1.36936 * 125.65021 * 181.02200 * 22 21 20 24 24 H 1.07994 * 119.99672 * 185.18209 * 23 22 21 25 25 C 1.38811 * 119.99637 * 4.90142 * 23 22 21 26 26 N 1.31613 * 120.00320 * 353.26787 * 25 23 22 27 27 Si 1.86804 * 119.99642 * 173.26875 * 25 23 22 28 28 H 1.48498 * 109.46825 * 94.98907 * 27 25 23 29 29 H 1.48493 * 109.47062 * 214.98403 * 27 25 23 30 30 H 1.48499 * 109.47097 * 334.98688 * 27 25 23 31 31 C 1.47432 * 108.70028 * 1.28278 * 22 21 20 32 32 H 1.09000 * 109.47334 * 270.18837 * 1 2 3 33 33 H 1.08999 * 109.47412 * 30.18730 * 1 2 3 34 34 H 1.09008 * 109.47373 * 150.18743 * 1 2 3 35 35 H 1.07992 * 119.99966 * 0.02562 * 3 2 1 36 36 H 1.07999 * 119.99965 * 179.79299 * 4 3 2 37 37 H 1.07999 * 119.99777 * 179.97438 * 5 4 3 38 38 H 1.08007 * 119.99848 * 179.97438 * 6 5 4 39 39 H 1.09001 * 117.50132 * 145.01824 * 10 8 7 40 40 H 1.08998 * 117.49514 * 359.97438 * 10 8 7 41 41 H 0.96993 * 120.00435 * 0.02562 * 15 13 11 42 42 H 1.09004 * 109.46810 * 60.00062 * 16 15 13 43 43 H 1.09005 * 109.47159 * 299.99966 * 16 15 13 44 44 H 1.09009 * 109.46891 * 59.99876 * 17 16 15 45 45 H 1.09005 * 109.46932 * 300.00041 * 17 16 15 46 46 H 1.09002 * 110.71660 * 88.02901 * 20 18 17 47 47 H 1.08992 * 110.87929 * 324.82486 * 20 18 17 48 48 H 1.08995 * 109.88716 * 262.78150 * 21 20 18 49 49 H 1.08993 * 109.88097 * 141.61136 * 21 20 18 50 50 H 0.96996 * 120.00254 * 180.02562 * 26 25 23 51 51 H 1.09002 * 110.36186 * 94.48413 * 31 22 21 52 52 H 1.08994 * 110.36468 * 216.80132 * 31 22 21 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 1.5070 0.0000 0.0000 3 6 2.1983 1.1974 0.0000 4 6 3.5804 1.1973 -0.0049 5 6 4.2717 -0.0001 -0.0057 6 6 3.5806 -1.1970 -0.0022 7 6 2.1981 -1.1970 0.0039 8 6 1.4446 -2.5021 0.0076 9 1 0.4435 -2.4660 0.4377 10 6 2.2541 -3.7847 0.2089 11 6 1.6745 -3.4539 -1.1679 12 1 2.3704 -3.1361 -1.9442 13 6 0.4998 -4.2699 -1.6426 14 8 -0.5772 -4.1573 -1.0964 15 7 0.6461 -5.1248 -2.6742 16 6 -0.4960 -5.9177 -3.1360 17 6 -0.0636 -6.8000 -4.3088 18 6 -1.2562 -7.6285 -4.7906 19 1 -1.7307 -8.1475 -3.9579 20 6 -0.8281 -8.6279 -5.8976 21 6 -2.1317 -8.8385 -6.6962 22 7 -2.9924 -7.6740 -6.4417 23 6 -4.2494 -7.4841 -6.9507 24 1 -4.7697 -6.5549 -6.7718 25 6 -4.8524 -8.4839 -7.7015 26 7 -4.1695 -9.5580 -8.0364 27 14 -6.6331 -8.3047 -8.2367 28 1 -6.6831 -7.7352 -9.6072 29 1 -7.2884 -9.6372 -8.2302 30 1 -7.3433 -7.3992 -7.2981 31 6 -2.2755 -6.7416 -5.5527 32 1 -0.3634 0.0034 1.0276 33 1 -0.3634 0.8883 -0.5167 34 1 -0.3634 -0.8917 -0.5109 35 1 1.6583 2.1326 0.0004 36 1 4.1204 2.1326 -0.0082 37 1 5.3516 -0.0001 -0.0099 38 1 4.1206 -2.1324 -0.0033 39 1 1.7857 -4.5924 0.7713 40 1 3.3317 -3.6845 0.3383 41 1 1.5074 -5.2152 -3.1109 42 1 -1.2951 -5.2501 -3.4585 43 1 -0.8547 -6.5469 -2.3214 44 1 0.7354 -7.4676 -3.9858 45 1 0.2954 -6.1712 -5.1235 46 1 -0.4884 -9.5664 -5.4594 47 1 -0.0530 -8.1970 -6.5313 48 1 -2.6296 -9.7479 -6.3600 49 1 -1.9073 -8.9080 -7.7605 50 1 -4.5907 -10.2564 -8.5614 51 1 -1.7577 -5.9818 -6.1381 52 1 -2.9693 -6.2752 -4.8533 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 ZINC001481453201.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 02:12:22 Heat of formation + Delta-G solvation = 21.977417 kcal Electronic energy + Delta-G solvation = -28377.266645 eV Core-core repulsion = 24535.254840 eV Total energy + Delta-G solvation = -3842.011805 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 342.205 amu Computer time = 1.34 seconds Orbital eigenvalues (eV) -40.63801 -39.50336 -37.85009 -36.69246 -35.15700 -33.17661 -32.98692 -31.12231 -30.69706 -28.99776 -27.26967 -26.83460 -25.11321 -24.35103 -23.87549 -22.10668 -21.76267 -20.77098 -20.22469 -19.97134 -19.38523 -17.76408 -16.90035 -16.77840 -16.02045 -15.67195 -15.56354 -15.22543 -14.97278 -14.60753 -14.41699 -14.24303 -14.07893 -13.70740 -13.60250 -13.41754 -12.84303 -12.57120 -12.49028 -12.47513 -12.29102 -12.22443 -11.93130 -11.82055 -11.55331 -11.51577 -11.26300 -11.09422 -10.99432 -10.85761 -10.78957 -10.74008 -10.12188 -10.11568 -9.94410 -9.82729 -9.72018 -9.60284 -9.12617 -9.10673 -8.80466 -8.53501 -6.78068 -5.68517 -3.00265 0.93368 1.03836 2.35258 2.97613 3.29139 3.42433 3.48081 3.50396 3.70985 4.17877 4.35582 4.46473 4.53602 4.55086 4.57671 4.68545 4.78258 4.85093 4.94662 5.00347 5.10499 5.18346 5.27185 5.31082 5.34601 5.38746 5.50728 5.53739 5.54544 5.63181 5.67136 5.70434 5.74697 5.78894 5.89372 5.90061 6.03494 6.13508 6.16298 6.16480 6.22504 6.33754 6.38956 6.42116 6.57863 6.62407 6.65853 6.76293 7.00147 7.39273 7.60028 7.68095 7.86528 8.11533 8.30541 9.26406 9.87254 10.54105 11.43698 Molecular weight = 342.20amu Principal moments of inertia in cm(-1) A = 0.019410 B = 0.001660 C = 0.001584 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1442.190339 B =16859.428625 C =17672.756399 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.123 4.123 2 C -0.072 4.072 3 C -0.120 4.120 4 C -0.120 4.120 5 C -0.125 4.125 6 C -0.116 4.116 7 C -0.055 4.055 8 C -0.084 4.084 9 H 0.129 0.871 10 C -0.145 4.145 11 C -0.177 4.177 12 H 0.125 0.875 13 C 0.540 3.460 14 O -0.539 6.539 15 N -0.724 5.724 16 C 0.118 3.882 17 C -0.116 4.116 18 C -0.100 4.100 19 H 0.076 0.924 20 C -0.138 4.138 21 C 0.176 3.824 22 N -0.607 5.607 23 C -0.227 4.227 24 H 0.077 0.923 25 C -0.009 4.009 26 N -0.921 5.921 27 Si 0.909 3.091 28 H -0.290 1.290 29 H -0.290 1.290 30 H -0.281 1.281 31 C 0.140 3.860 32 H 0.072 0.928 33 H 0.066 0.934 34 H 0.075 0.925 35 H 0.122 0.878 36 H 0.121 0.879 37 H 0.121 0.879 38 H 0.124 0.876 39 H 0.105 0.895 40 H 0.108 0.892 41 H 0.400 0.600 42 H 0.072 0.928 43 H 0.067 0.933 44 H 0.065 0.935 45 H 0.068 0.932 46 H 0.057 0.943 47 H 0.055 0.945 48 H 0.046 0.954 49 H 0.039 0.961 50 H 0.251 0.749 51 H 0.017 0.983 52 H 0.038 0.962 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 20.528 16.736 17.942 31.991 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 -0.179 4.179 2 C -0.072 4.072 3 C -0.138 4.138 4 C -0.138 4.138 5 C -0.143 4.143 6 C -0.134 4.134 7 C -0.055 4.055 8 C -0.102 4.102 9 H 0.147 0.853 10 C -0.182 4.182 11 C -0.198 4.198 12 H 0.142 0.858 13 C 0.325 3.675 14 O -0.416 6.416 15 N -0.375 5.375 16 C -0.005 4.005 17 C -0.154 4.154 18 C -0.120 4.120 19 H 0.094 0.906 20 C -0.177 4.177 21 C 0.051 3.949 22 N -0.333 5.333 23 C -0.356 4.356 24 H 0.095 0.905 25 C -0.205 4.205 26 N -0.569 5.569 27 Si 0.740 3.260 28 H -0.217 1.217 29 H -0.216 1.216 30 H -0.206 1.206 31 C 0.014 3.986 32 H 0.090 0.910 33 H 0.085 0.915 34 H 0.094 0.906 35 H 0.140 0.860 36 H 0.139 0.861 37 H 0.139 0.861 38 H 0.141 0.859 39 H 0.124 0.876 40 H 0.126 0.874 41 H 0.234 0.766 42 H 0.091 0.909 43 H 0.086 0.914 44 H 0.083 0.917 45 H 0.087 0.913 46 H 0.076 0.924 47 H 0.074 0.926 48 H 0.065 0.935 49 H 0.057 0.943 50 H 0.062 0.938 51 H 0.034 0.966 52 H 0.056 0.944 Dipole moment (debyes) X Y Z Total from point charges 19.552 16.671 18.184 31.478 hybrid contribution -0.403 -0.002 -0.740 0.843 sum 19.148 16.669 17.444 30.802 Atomic orbital electron populations 1.20894 0.90922 1.03474 1.02613 1.19782 0.96315 0.92321 0.98780 1.21052 0.94291 0.97457 1.00970 1.21149 0.94318 0.98102 1.00223 1.21095 0.99820 0.92434 1.00947 1.21046 0.93498 0.98336 1.00527 1.18985 0.92990 0.92697 1.00804 1.21090 1.00951 0.87868 1.00332 0.85291 1.23141 1.00320 0.98949 0.95814 1.22357 1.00295 1.03454 0.93728 0.85751 1.19583 0.88653 0.79475 0.79753 1.90717 1.27661 1.66611 1.56632 1.45998 1.14433 1.42543 1.34492 1.21516 0.88282 0.93906 0.96830 1.21748 0.98860 0.97980 0.96838 1.22304 0.94964 0.96871 0.97870 0.90550 1.22893 0.99847 0.97763 0.97164 1.21142 0.86203 0.90789 0.96742 1.44500 1.14840 1.19269 1.54719 1.19071 0.89829 0.99990 1.26688 0.90489 1.24813 0.98392 0.96694 1.00617 1.69980 1.34979 1.09644 1.42292 0.86134 0.84742 0.76853 0.78285 1.21740 1.21650 1.20620 1.21659 0.92794 0.92295 0.91886 0.90976 0.91483 0.90571 0.85983 0.86133 0.86089 0.85861 0.87643 0.87410 0.76599 0.90934 0.91436 0.91656 0.91297 0.92380 0.92603 0.93546 0.94309 0.93838 0.96570 0.94418 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 -0.12 -0.99 9.33 36.00 0.34 -0.65 16 2 C -0.07 -0.63 5.88 -104.62 -0.62 -1.24 16 3 C -0.12 -0.92 9.70 -39.58 -0.38 -1.31 16 4 C -0.12 -0.84 10.05 -39.58 -0.40 -1.24 16 5 C -0.12 -0.86 10.05 -39.58 -0.40 -1.26 16 6 C -0.12 -0.86 9.30 -39.59 -0.37 -1.22 16 7 C -0.05 -0.47 5.61 -104.62 -0.59 -1.06 16 8 C -0.08 -0.74 4.65 -91.78 -0.43 -1.17 16 9 H 0.13 1.33 6.44 -51.92 -0.33 0.99 16 10 C -0.15 -1.03 9.56 -26.73 -0.26 -1.29 16 11 C -0.18 -1.51 5.82 -91.77 -0.53 -2.05 16 12 H 0.12 0.86 8.14 -51.93 -0.42 0.44 16 13 C 0.54 6.39 7.61 -10.99 -0.08 6.30 16 14 O -0.54 -8.57 16.26 5.55 0.09 -8.48 16 15 N -0.72 -7.54 5.56 -60.29 -0.33 -7.87 16 16 C 0.12 1.48 5.58 -4.04 -0.02 1.46 16 17 C -0.12 -1.43 4.84 -26.73 -0.13 -1.56 16 18 C -0.10 -1.68 3.02 -88.35 -0.27 -1.94 16 19 H 0.08 1.31 8.14 -51.93 -0.42 0.89 16 20 C -0.14 -2.52 6.41 -24.90 -0.16 -2.68 16 21 C 0.18 4.32 5.38 -3.06 -0.02 4.31 16 22 N -0.61 -15.84 3.39 -169.93 -0.58 -16.42 16 23 C -0.23 -6.51 10.27 -15.06 -0.15 -6.66 16 24 H 0.08 2.13 7.84 -52.49 -0.41 1.72 16 25 C -0.01 -0.26 5.48 -17.43 -0.10 -0.36 16 26 N -0.92 -27.54 10.36 55.49 0.57 -26.97 16 27 Si 0.91 22.52 29.56 -169.99 -5.02 17.50 16 28 H -0.29 -7.15 7.11 56.52 0.40 -6.75 16 29 H -0.29 -7.22 7.11 56.52 0.40 -6.82 16 30 H -0.28 -6.79 7.11 56.52 0.40 -6.39 16 31 C 0.14 2.91 6.19 -2.41 -0.01 2.89 16 32 H 0.07 0.52 8.14 -51.93 -0.42 0.10 16 33 H 0.07 0.47 8.09 -51.93 -0.42 0.05 16 34 H 0.08 0.71 6.65 -51.92 -0.35 0.37 16 35 H 0.12 0.73 8.06 -52.49 -0.42 0.31 16 36 H 0.12 0.60 8.06 -52.49 -0.42 0.18 16 37 H 0.12 0.59 8.06 -52.49 -0.42 0.16 16 38 H 0.12 0.68 6.02 -52.48 -0.32 0.36 16 39 H 0.11 0.79 8.14 -51.93 -0.42 0.37 16 40 H 0.11 0.55 6.18 -51.93 -0.32 0.23 16 41 H 0.40 2.99 8.47 -40.82 -0.35 2.64 16 42 H 0.07 1.05 7.76 -51.93 -0.40 0.65 16 43 H 0.07 0.91 8.14 -51.93 -0.42 0.49 16 44 H 0.06 0.70 8.14 -51.92 -0.42 0.27 16 45 H 0.07 0.83 7.97 -51.93 -0.41 0.42 16 46 H 0.06 0.96 8.14 -51.93 -0.42 0.53 16 47 H 0.06 0.94 8.04 -51.93 -0.42 0.53 16 48 H 0.05 1.26 7.30 -51.93 -0.38 0.88 16 49 H 0.04 1.05 7.60 -51.93 -0.39 0.66 16 50 H 0.25 7.28 8.31 -40.82 -0.34 6.94 16 51 H 0.02 0.34 7.91 -51.93 -0.41 -0.07 16 52 H 0.04 0.78 8.14 -51.93 -0.42 0.36 16 LS Contribution 415.07 15.07 6.25 6.25 Total: -1.00 -33.91 415.07 -12.29 -46.20 By element: Atomic # 1 Polarization: 9.21 SS G_CDS: -8.70 Total: 0.51 kcal Atomic # 6 Polarization: -6.16 SS G_CDS: -4.57 Total: -10.73 kcal Atomic # 7 Polarization: -50.92 SS G_CDS: -0.34 Total: -51.26 kcal Atomic # 8 Polarization: -8.57 SS G_CDS: 0.09 Total: -8.48 kcal Atomic # 14 Polarization: 22.52 SS G_CDS: -5.02 Total: 17.50 kcal Total LS contribution 6.25 Total: 6.25 kcal Total: -33.91 -12.29 -46.20 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. ZINC001481453201.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 68.180 kcal (2) G-P(sol) polarization free energy of solvation -33.913 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 34.267 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -12.290 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -46.202 kcal (6) G-S(sol) free energy of system = (1) + (5) 21.977 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.35 seconds