Wall clock time and date at job start Tue Mar 31 2020 21:13:49 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 1.52996 * 113.31126 * 2 1 4 4 C 1.55780 * 114.08442 * 132.78854 * 2 1 3 5 5 H 1.09001 * 114.29038 * 37.07649 * 4 2 1 6 6 N 1.46503 * 114.12567 * 264.53202 * 4 2 1 7 7 C 1.34784 * 119.99786 * 161.07739 * 6 4 2 8 8 O 1.21283 * 120.00114 * 355.72429 * 7 6 4 9 9 C 1.50697 * 119.99761 * 175.72482 * 7 6 4 10 10 C 1.52991 * 115.55143 * 279.37051 * 9 7 6 11 11 C 1.53006 * 109.47089 * 294.63032 * 10 9 7 12 12 F 1.39899 * 109.47285 * 176.47044 * 11 10 9 13 13 C 1.53005 * 117.49674 * 133.65990 * 9 7 6 14 14 C 1.53001 * 60.00117 * 252.51313 * 13 9 7 15 15 C 1.50001 * 83.86502 * 150.80991 * 4 2 1 16 16 H 1.08999 * 112.50118 * 75.00780 * 15 4 2 17 17 C 1.51206 * 126.17633 * 218.50518 * 15 4 2 18 18 C 1.54094 * 106.19254 * 161.43191 * 17 15 4 19 19 C 1.52496 * 112.67189 * 304.56342 * 18 17 15 20 20 N 1.48411 * 111.86841 * 46.78763 * 19 18 17 21 21 C 1.36939 * 123.16121 * 128.12473 * 20 19 18 22 22 H 1.08000 * 119.99914 * 223.33017 * 21 20 19 23 23 C 1.38807 * 120.00410 * 43.33679 * 21 20 19 24 24 N 1.31616 * 120.00357 * 211.99927 * 23 21 20 25 25 Si 1.86803 * 119.99997 * 31.99268 * 23 21 20 26 26 H 1.48499 * 109.46895 * 87.31812 * 25 23 21 27 27 H 1.48504 * 109.47107 * 207.31723 * 25 23 21 28 28 H 1.48496 * 109.47453 * 327.32032 * 25 23 21 29 29 C 1.45374 * 113.66868 * 308.15916 * 20 19 18 30 30 H 1.09000 * 112.09570 * 300.23109 * 29 20 19 31 31 H 1.09001 * 109.47072 * 306.71030 * 1 2 3 32 32 H 1.09001 * 109.47125 * 66.71890 * 1 2 3 33 33 H 1.09003 * 109.47183 * 186.71523 * 1 2 3 34 34 H 1.09004 * 109.47445 * 199.43898 * 3 2 1 35 35 H 1.09006 * 109.46809 * 319.43603 * 3 2 1 36 36 H 1.08998 * 109.47540 * 79.43522 * 3 2 1 37 37 H 0.96997 * 120.00196 * 341.35049 * 6 4 2 38 38 H 1.08997 * 109.47321 * 54.63108 * 10 9 7 39 39 H 1.09005 * 109.47275 * 174.63174 * 10 9 7 40 40 H 1.08999 * 109.47241 * 296.47230 * 11 10 9 41 41 H 1.09002 * 109.46527 * 56.47121 * 11 10 9 42 42 H 1.09002 * 117.49787 * 359.97438 * 13 9 7 43 43 H 1.09000 * 117.49579 * 145.01931 * 13 9 7 44 44 H 1.09002 * 117.49590 * 252.51666 * 14 13 9 45 45 H 1.09003 * 117.50238 * 107.49137 * 14 13 9 46 46 H 1.08994 * 110.10344 * 280.60438 * 17 15 4 47 47 H 1.09002 * 110.09569 * 42.26459 * 17 15 4 48 48 H 1.08998 * 108.84293 * 65.39170 * 18 17 15 49 49 H 1.09001 * 108.84276 * 183.74407 * 18 17 15 50 50 H 1.08996 * 109.00294 * 167.40263 * 19 18 17 51 51 H 1.09004 * 109.00052 * 286.25651 * 19 18 17 52 52 H 0.96997 * 120.00962 * 179.97438 * 24 23 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 1.5300 0.0000 0.0000 3 6 2.1354 1.4051 0.0000 4 6 2.1657 -0.9661 1.0437 5 1 1.6250 -1.9034 1.1746 6 7 2.5264 -0.3254 2.3109 7 6 2.7202 -1.0752 3.4139 8 8 2.5208 -2.2710 3.3771 9 6 3.1848 -0.4278 4.6930 10 6 4.6863 -0.1490 4.7840 11 6 5.4513 -1.4740 4.7970 12 9 6.8267 -1.2185 4.7989 13 6 2.4574 -0.8110 5.9834 14 6 2.2389 0.5706 5.3635 15 6 3.2889 -1.0395 0.0523 16 1 3.9065 -0.1414 0.0543 17 6 4.0879 -2.2736 -0.3015 18 6 4.7660 -1.9738 -1.6524 19 6 3.7693 -1.5705 -2.7338 20 7 2.8029 -0.5562 -2.2443 21 6 2.5574 0.6216 -2.8984 22 1 2.4788 1.5430 -2.3405 23 6 2.4094 0.6312 -4.2786 24 7 2.7927 1.6807 -4.9743 25 14 1.6663 -0.8454 -5.1486 26 1 0.1879 -0.7085 -5.1809 27 1 2.1874 -0.9156 -6.5374 28 1 2.0326 -2.0859 -4.4191 29 6 2.1420 -0.9302 -1.0046 30 1 1.5797 -1.8587 -1.1037 31 1 -0.3633 0.6143 0.8239 32 1 -0.3633 0.4062 -0.9440 33 1 -0.3634 -1.0206 0.1202 34 1 3.1692 1.3553 -0.3420 35 1 1.5622 2.0477 -0.6683 36 1 2.1062 1.8134 1.0102 37 1 2.6218 0.6388 2.3569 38 1 4.9988 0.4425 3.9235 39 1 4.8987 0.4021 5.7001 40 1 5.1853 -2.0384 5.6907 41 1 5.1905 -2.0527 3.9108 42 1 1.6427 -1.5311 5.9071 43 1 3.0488 -0.8647 6.8975 44 1 2.6865 1.4258 5.8697 45 1 1.2806 0.7592 4.8794 46 1 4.8419 -2.4635 0.4622 47 1 3.4253 -3.1338 -0.3977 48 1 5.4827 -1.1642 -1.5144 49 1 5.3024 -2.8635 -1.9822 50 1 4.3146 -1.1601 -3.5837 51 1 3.2204 -2.4546 -3.0580 52 1 2.6896 1.6873 -5.9387 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) 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 ZINC001689145839.mol2 52 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 21:13:49 Heat of formation + Delta-G solvation = -5.659559 kcal Electronic energy + Delta-G solvation = -31816.737102 eV Core-core repulsion = 27733.213695 eV Total energy + Delta-G solvation = -4083.523408 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 338.211 amu Computer time = 1.44 seconds Orbital eigenvalues (eV) -47.74495 -41.18988 -39.79449 -36.99542 -35.48784 -33.28625 -32.97032 -31.49664 -30.85823 -29.52299 -27.29225 -26.09826 -25.37045 -24.11068 -23.07363 -22.60696 -22.08650 -20.43914 -19.80528 -19.54321 -18.24559 -17.18392 -16.74745 -16.38276 -16.12027 -15.79008 -15.30340 -15.03499 -14.83308 -14.70436 -14.23812 -14.00610 -13.86102 -13.45896 -13.36173 -13.04223 -12.97155 -12.81584 -12.60935 -12.45998 -12.10605 -11.91243 -11.86597 -11.73992 -11.68518 -11.38843 -11.18283 -11.08280 -11.02854 -10.82283 -10.69435 -10.51259 -10.43664 -10.38279 -10.22788 -10.14147 -9.75707 -9.61491 -9.57278 -9.02714 -8.71130 -8.28440 -6.55867 -6.08889 -3.45174 2.55962 3.05254 3.34193 3.38762 3.49672 3.55242 4.08620 4.37646 4.46899 4.53925 4.57098 4.61384 4.72185 4.76865 4.85430 4.96273 5.01870 5.10959 5.13181 5.23773 5.27875 5.49219 5.50909 5.53425 5.59122 5.60270 5.72115 5.76357 5.79475 5.80397 5.87496 5.95439 5.99361 6.04002 6.13357 6.26527 6.34855 6.38691 6.46351 6.49285 6.55382 6.61143 6.62218 6.77190 6.87301 6.91394 6.94660 7.14676 7.60934 7.99433 8.24948 8.43644 8.94469 9.69264 10.29109 11.06468 Molecular weight = 338.21amu Principal moments of inertia in cm(-1) A = 0.016571 B = 0.003477 C = 0.003208 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1689.316090 B = 8051.748217 C = 8725.643977 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.133 4.133 2 C -0.061 4.061 3 C -0.118 4.118 4 C 0.140 3.860 5 H 0.111 0.889 6 N -0.705 5.705 7 C 0.548 3.452 8 O -0.539 6.539 9 C -0.159 4.159 10 C -0.105 4.105 11 C 0.062 3.938 12 F -0.219 7.219 13 C -0.145 4.145 14 C -0.159 4.159 15 C -0.168 4.168 16 H 0.097 0.903 17 C -0.088 4.088 18 C -0.131 4.131 19 C 0.142 3.858 20 N -0.578 5.578 21 C -0.270 4.270 22 H 0.083 0.917 23 C 0.051 3.949 24 N -0.884 5.884 25 Si 0.845 3.155 26 H -0.289 1.289 27 H -0.298 1.298 28 H -0.259 1.259 29 C 0.146 3.854 30 H 0.051 0.949 31 H 0.048 0.952 32 H 0.065 0.935 33 H 0.050 0.950 34 H 0.075 0.925 35 H 0.070 0.930 36 H 0.036 0.964 37 H 0.401 0.599 38 H 0.084 0.916 39 H 0.084 0.916 40 H 0.076 0.924 41 H 0.078 0.922 42 H 0.103 0.897 43 H 0.103 0.897 44 H 0.105 0.895 45 H 0.102 0.898 46 H 0.045 0.955 47 H 0.054 0.946 48 H 0.056 0.944 49 H 0.051 0.949 50 H 0.063 0.937 51 H 0.023 0.977 52 H 0.263 0.737 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.324 -2.560 20.180 20.344 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 -0.191 4.191 2 C -0.062 4.062 3 C -0.175 4.175 4 C 0.035 3.965 5 H 0.129 0.871 6 N -0.355 5.355 7 C 0.333 3.667 8 O -0.416 6.416 9 C -0.163 4.163 10 C -0.143 4.143 11 C 0.007 3.993 12 F -0.200 7.200 13 C -0.183 4.183 14 C -0.196 4.196 15 C -0.189 4.189 16 H 0.115 0.885 17 C -0.125 4.125 18 C -0.170 4.170 19 C 0.017 3.983 20 N -0.301 5.301 21 C -0.398 4.398 22 H 0.100 0.900 23 C -0.152 4.152 24 N -0.523 5.523 25 Si 0.672 3.328 26 H -0.216 1.216 27 H -0.225 1.225 28 H -0.183 1.183 29 C 0.038 3.962 30 H 0.068 0.932 31 H 0.067 0.933 32 H 0.084 0.916 33 H 0.069 0.931 34 H 0.093 0.907 35 H 0.088 0.912 36 H 0.054 0.946 37 H 0.236 0.764 38 H 0.103 0.897 39 H 0.102 0.898 40 H 0.095 0.905 41 H 0.097 0.903 42 H 0.121 0.879 43 H 0.122 0.878 44 H 0.123 0.877 45 H 0.120 0.880 46 H 0.064 0.936 47 H 0.073 0.927 48 H 0.075 0.925 49 H 0.070 0.930 50 H 0.082 0.918 51 H 0.041 0.959 52 H 0.073 0.927 Dipole moment (debyes) X Y Z Total from point charges 0.251 -3.272 19.897 20.165 hybrid contribution -0.382 -0.352 -0.804 0.957 sum -0.131 -3.624 19.093 19.434 Atomic orbital electron populations 1.21711 0.94415 1.01094 1.01853 1.21808 0.94736 0.95462 0.94223 1.21630 1.02592 0.93891 0.99374 1.22459 0.97284 0.96942 0.79784 0.87092 1.46058 1.69580 1.10721 1.09173 1.19423 0.76906 0.86772 0.83648 1.90697 1.51224 1.14889 1.84767 1.21356 0.94558 1.06589 0.93750 1.21587 0.90458 0.97816 1.04419 1.21949 0.75303 0.97735 1.04307 1.92764 1.33364 1.95675 1.98238 1.23011 1.02405 0.98265 0.94570 1.23136 1.00106 0.93649 1.02692 1.23399 0.97725 0.99625 0.98150 0.88471 1.21077 0.98405 0.96846 0.96195 1.21953 0.98993 1.00060 0.96018 1.21337 0.90250 0.91871 0.94854 1.44014 1.41113 1.19756 1.25239 1.18719 1.46745 0.84951 0.89395 0.89953 1.25715 0.97165 0.95519 0.96821 1.70024 1.43932 1.31550 1.06775 0.87330 0.80754 0.86113 0.78581 1.21599 1.22511 1.18345 1.21509 0.92607 0.95109 0.87001 0.93197 0.93332 0.91595 0.93104 0.90659 0.91155 0.94559 0.76369 0.89700 0.89753 0.90538 0.90339 0.87872 0.87836 0.87681 0.87995 0.93621 0.92728 0.92516 0.93027 0.91800 0.95896 0.92745 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -0.13 -1.96 9.21 37.16 0.34 -1.61 16 2 C -0.06 -0.96 1.37 -159.15 -0.22 -1.18 16 3 C -0.12 -1.83 6.92 37.16 0.26 -1.57 16 4 C 0.14 2.05 3.49 -71.83 -0.25 1.80 16 5 H 0.11 1.77 7.51 -51.93 -0.39 1.38 16 6 N -0.71 -8.67 5.33 -57.65 -0.31 -8.98 16 7 C 0.55 6.94 6.31 -10.98 -0.07 6.87 16 8 O -0.54 -8.78 16.65 5.55 0.09 -8.69 16 9 C -0.16 -1.45 1.87 -155.66 -0.29 -1.75 16 10 C -0.10 -0.90 5.54 -26.73 -0.15 -1.04 16 11 C 0.06 0.62 7.47 37.16 0.28 0.90 16 12 F -0.22 -2.66 17.36 2.25 0.04 -2.62 16 13 C -0.15 -1.13 9.88 -26.73 -0.26 -1.39 16 14 C -0.16 -1.11 9.92 -26.73 -0.27 -1.37 16 15 C -0.17 -2.76 2.88 -95.83 -0.28 -3.03 16 16 H 0.10 1.71 5.99 -51.93 -0.31 1.40 16 17 C -0.09 -1.44 6.12 -27.06 -0.17 -1.61 16 18 C -0.13 -2.29 5.90 -26.42 -0.16 -2.45 16 19 C 0.14 2.97 4.61 -3.25 -0.01 2.95 16 20 N -0.58 -12.83 2.28 -169.42 -0.39 -13.21 16 21 C -0.27 -6.96 9.21 -15.06 -0.14 -7.10 16 22 H 0.08 2.21 5.50 -52.49 -0.29 1.93 16 23 C 0.05 1.39 5.04 -17.43 -0.09 1.30 16 24 N -0.88 -25.75 13.97 55.49 0.78 -24.98 16 25 Si 0.84 21.04 27.48 -169.99 -4.67 16.37 16 26 H -0.29 -7.34 7.11 56.52 0.40 -6.94 16 27 H -0.30 -7.58 7.11 56.52 0.40 -7.17 16 28 H -0.26 -6.20 5.12 56.52 0.29 -5.91 16 29 C 0.15 2.73 3.01 -72.14 -0.22 2.51 16 30 H 0.05 0.97 8.00 -51.93 -0.42 0.56 16 31 H 0.05 0.61 8.14 -51.93 -0.42 0.19 16 32 H 0.07 1.07 8.14 -51.93 -0.42 0.65 16 33 H 0.05 0.71 8.12 -51.93 -0.42 0.29 16 34 H 0.07 1.33 5.63 -51.93 -0.29 1.04 16 35 H 0.07 1.22 7.26 -51.93 -0.38 0.84 16 36 H 0.04 0.44 6.53 -51.93 -0.34 0.10 16 37 H 0.40 4.23 6.73 -40.82 -0.27 3.96 16 38 H 0.08 0.76 8.14 -51.93 -0.42 0.34 16 39 H 0.08 0.57 8.09 -51.93 -0.42 0.15 16 40 H 0.08 0.65 8.14 -51.93 -0.42 0.23 16 41 H 0.08 0.92 7.61 -51.93 -0.40 0.52 16 42 H 0.10 0.91 8.14 -51.93 -0.42 0.49 16 43 H 0.10 0.62 8.14 -51.93 -0.42 0.20 16 44 H 0.10 0.56 8.14 -51.93 -0.42 0.14 16 45 H 0.10 0.73 8.14 -51.93 -0.42 0.30 16 46 H 0.05 0.72 8.14 -51.93 -0.42 0.29 16 47 H 0.05 0.90 8.06 -51.93 -0.42 0.48 16 48 H 0.06 1.01 8.14 -51.93 -0.42 0.59 16 49 H 0.05 0.80 8.14 -51.93 -0.42 0.38 16 50 H 0.06 1.44 7.36 -51.93 -0.38 1.06 16 51 H 0.02 0.49 6.58 -51.93 -0.34 0.15 16 52 H 0.26 7.34 8.31 -40.82 -0.34 7.00 16 LS Contribution 397.98 15.07 6.00 6.00 Total: -1.00 -30.13 397.98 -9.11 -39.25 By element: Atomic # 1 Polarization: 13.60 SS G_CDS: -8.97 Total: 4.63 kcal Atomic # 6 Polarization: -6.08 SS G_CDS: -1.68 Total: -7.77 kcal Atomic # 7 Polarization: -47.25 SS G_CDS: 0.08 Total: -47.17 kcal Atomic # 8 Polarization: -8.78 SS G_CDS: 0.09 Total: -8.69 kcal Atomic # 9 Polarization: -2.66 SS G_CDS: 0.04 Total: -2.62 kcal Atomic # 14 Polarization: 21.04 SS G_CDS: -4.67 Total: 16.37 kcal Total LS contribution 6.00 Total: 6.00 kcal Total: -30.13 -9.11 -39.25 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. ZINC001689145839.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 33.586 kcal (2) G-P(sol) polarization free energy of solvation -30.135 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 3.452 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.111 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.246 kcal (6) G-S(sol) free energy of system = (1) + (5) -5.660 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.44 seconds