Wall clock time and date at job start Tue Mar 31 2020 05:39:50 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 N 2 2 C 1.31522 * 1 3 3 Si 1.86801 * 120.00157 * 2 1 4 4 H 1.48501 * 109.46546 * 269.99838 * 3 2 1 5 5 H 1.48493 * 109.47124 * 29.99691 * 3 2 1 6 6 H 1.48498 * 109.47093 * 149.99936 * 3 2 1 7 7 C 1.37880 * 119.99689 * 179.97438 * 2 1 3 8 8 H 1.07997 * 119.99845 * 180.02562 * 7 2 1 9 9 C 1.50702 * 120.00192 * 359.97438 * 7 2 1 10 10 N 1.46894 * 109.47090 * 179.97438 * 9 7 2 11 11 C 1.46904 * 110.99742 * 170.00193 * 10 9 7 12 12 C 1.53244 * 109.33717 * 187.25979 * 11 10 9 13 13 N 1.47078 * 108.52025 * 306.16597 * 12 11 10 14 14 C 1.34774 * 120.88580 * 231.19079 * 13 12 11 15 15 O 1.21581 * 120.00222 * 184.98784 * 14 13 12 16 16 N 1.34780 * 119.99633 * 4.71390 * 14 13 12 17 17 C 1.46503 * 119.99662 * 175.19700 * 16 14 13 18 18 C 1.53001 * 109.46836 * 180.02562 * 17 16 14 19 19 C 1.50697 * 109.47148 * 179.97438 * 18 17 16 20 20 C 1.38602 * 120.80281 * 269.72032 * 19 18 17 21 21 N 1.32324 * 119.10707 * 179.71819 * 20 19 18 22 22 C 1.31802 * 120.81697 * 0.56678 * 21 20 19 23 23 C 1.50700 * 119.12240 * 179.68432 * 22 21 20 24 24 C 1.53001 * 117.49905 * 8.64595 * 23 22 21 25 25 C 1.52999 * 117.50015 * 300.02053 * 23 22 21 26 26 N 1.31797 * 121.75582 * 359.70561 * 22 21 20 27 27 C 1.32336 * 120.81606 * 0.02562 * 26 22 21 28 28 C 1.47081 * 118.23549 * 51.46114 * 13 12 11 29 29 C 1.46897 * 111.00511 * 294.30409 * 10 9 7 30 30 H 0.96999 * 119.99180 * 0.02562 * 1 2 3 31 31 H 1.09002 * 109.46973 * 59.99931 * 9 7 2 32 32 H 1.08998 * 109.47143 * 300.00526 * 9 7 2 33 33 H 1.08997 * 109.49477 * 67.29646 * 11 10 9 34 34 H 1.08997 * 109.49313 * 307.21133 * 11 10 9 35 35 H 1.09003 * 109.62633 * 186.46131 * 12 11 10 36 36 H 1.08993 * 109.62882 * 65.87882 * 12 11 10 37 37 H 0.96993 * 120.00011 * 355.19747 * 16 14 13 38 38 H 1.08996 * 109.46867 * 299.99425 * 17 16 14 39 39 H 1.08997 * 109.47602 * 60.00251 * 17 16 14 40 40 H 1.09002 * 109.47346 * 299.99738 * 18 17 16 41 41 H 1.08999 * 109.47423 * 59.99800 * 18 17 16 42 42 H 1.08001 * 120.44218 * 0.02562 * 20 19 18 43 43 H 1.08997 * 115.54971 * 154.35027 * 23 22 21 44 44 H 1.09000 * 117.49955 * 359.97438 * 24 23 22 45 45 H 1.08998 * 117.49714 * 145.02288 * 24 23 22 46 46 H 1.09000 * 117.49981 * 214.98145 * 25 23 22 47 47 H 1.09002 * 117.49875 * 0.02562 * 25 23 22 48 48 H 1.07996 * 120.45017 * 179.97438 * 27 26 22 49 49 H 1.09002 * 109.63018 * 68.24833 * 28 13 12 50 50 H 1.09001 * 109.63196 * 188.83157 * 28 13 12 51 51 H 1.08993 * 109.49068 * 292.70728 * 29 10 9 52 52 H 1.09000 * 109.49095 * 52.78808 * 29 10 9 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3152 0.0000 0.0000 3 14 2.2493 1.6177 0.0000 4 1 2.4968 2.0463 -1.4001 5 1 1.4468 2.6526 0.6999 6 1 3.5468 1.4401 0.7000 7 6 2.0046 -1.1941 0.0005 8 1 3.0845 -1.1941 0.0010 9 6 1.2510 -2.4992 0.0017 10 7 2.2056 -3.6157 0.0015 11 6 1.5212 -4.8934 0.2407 12 6 2.5639 -6.0031 0.4133 13 7 3.4609 -5.9867 -0.7522 14 6 3.7107 -7.1131 -1.4488 15 8 4.5237 -7.1012 -2.3527 16 7 3.0632 -8.2541 -1.1397 17 6 3.2554 -9.4511 -1.9622 18 6 2.4123 -10.5972 -1.3994 19 6 2.6095 -11.8284 -2.2458 20 6 1.7880 -12.0812 -3.3331 21 7 1.9946 -13.1697 -4.0566 22 6 2.9593 -14.0129 -3.7475 23 6 3.1562 -15.2443 -4.5936 24 6 2.3506 -15.3467 -5.8903 25 6 1.9880 -16.2274 -4.6928 26 7 3.7561 -13.8080 -2.7179 27 6 3.6127 -12.7384 -1.9519 28 6 4.0828 -4.7096 -1.1337 29 6 2.9758 -3.6498 -1.2489 30 1 -0.4849 0.8401 -0.0004 31 1 0.6240 -2.5575 -0.8880 32 1 0.6246 -2.5563 0.8919 33 1 0.8790 -5.1267 -0.6086 34 1 0.9167 -4.8186 1.1446 35 1 2.0633 -6.9693 0.4765 36 1 3.1401 -5.8259 1.3214 37 1 2.4700 -8.2826 -0.3728 38 1 2.9459 -9.2418 -2.9861 39 1 4.3078 -9.7344 -1.9513 40 1 2.7212 -10.8066 -0.3753 41 1 1.3599 -10.3137 -1.4107 42 1 0.9931 -11.3964 -3.5893 43 1 4.1642 -15.6589 -4.5929 44 1 1.6779 -14.5235 -6.1312 45 1 2.8286 -15.8287 -6.7431 46 1 2.2276 -17.2888 -4.7578 47 1 1.0770 -15.9833 -4.1465 48 1 4.2687 -12.5766 -1.1094 49 1 4.8023 -4.4105 -0.3714 50 1 4.5870 -4.8202 -2.0938 51 1 2.3133 -3.9003 -2.0774 52 1 3.4262 -2.6730 -1.4253 RHF calculation, no. of doubly occupied orbitals= 68 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 ZINC000601589972.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 05:39:50 Heat of formation + Delta-G solvation = 60.059379 kcal Electronic energy + Delta-G solvation = -30679.132319 eV Core-core repulsion = 26486.956520 eV Total energy + Delta-G solvation = -4192.175799 eV No. of doubly occupied orbitals = 68 Molecular weight (most abundant/longest-lived isotopes) = 359.206 amu Computer time = 1.17 seconds Orbital eigenvalues (eV) -41.64443 -40.27491 -37.90128 -37.57687 -35.90791 -34.45975 -34.14298 -33.39951 -32.38281 -30.79037 -29.43536 -28.03502 -25.79867 -25.24782 -25.01396 -23.36330 -22.79854 -22.70523 -22.14234 -21.42410 -20.77932 -19.35055 -18.29916 -17.99560 -17.44382 -16.60722 -16.30172 -15.83209 -15.68134 -15.29724 -15.04844 -14.82890 -14.62633 -14.55387 -14.44808 -14.26467 -13.96196 -13.88536 -13.79671 -13.52694 -12.96630 -12.68476 -12.58134 -12.21055 -12.03180 -11.97127 -11.85252 -11.38480 -11.32161 -11.26124 -11.23551 -11.17358 -10.91813 -10.85566 -10.77601 -10.65050 -10.53977 -10.05985 -9.88561 -9.63098 -9.53481 -9.31126 -9.24680 -8.51026 -8.37342 -7.36043 -6.08494 -4.10282 0.35331 0.64951 2.61896 3.02860 3.24510 3.29059 3.31761 3.35610 3.39591 3.53432 3.78208 3.80393 4.13343 4.26033 4.31640 4.37426 4.41341 4.51553 4.55634 4.57557 4.74378 4.87880 4.93125 5.12320 5.16318 5.19683 5.25978 5.29733 5.31678 5.37873 5.38423 5.55765 5.58237 5.63339 5.64173 5.76204 5.79420 5.89503 5.93302 6.00205 6.15082 6.31874 6.38125 6.52677 6.53593 6.63907 6.98776 7.18695 7.25095 7.65920 7.71835 7.93458 7.98290 8.09296 8.44832 8.61287 8.97054 9.54532 11.02320 Molecular weight = 359.21amu Principal moments of inertia in cm(-1) A = 0.027723 B = 0.001389 C = 0.001377 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1009.749895 B =20156.053888 C =20328.505043 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.898 5.898 2 C 0.056 3.944 3 Si 0.898 3.102 4 H -0.281 1.281 5 H -0.287 1.287 6 H -0.272 1.272 7 C -0.510 4.510 8 H 0.064 0.936 9 C 0.194 3.806 10 N -0.535 5.535 11 C 0.040 3.960 12 C 0.119 3.881 13 N -0.625 5.625 14 C 0.708 3.292 15 O -0.595 6.595 16 N -0.752 5.752 17 C 0.145 3.855 18 C -0.082 4.082 19 C -0.192 4.192 20 C 0.160 3.840 21 N -0.515 5.515 22 C 0.345 3.655 23 C -0.105 4.105 24 C -0.153 4.153 25 C -0.155 4.155 26 N -0.513 5.513 27 C 0.159 3.841 28 C 0.133 3.867 29 C 0.051 3.949 30 H 0.262 0.738 31 H -0.009 1.009 32 H 0.031 0.969 33 H 0.026 0.974 34 H 0.081 0.919 35 H 0.069 0.931 36 H 0.076 0.924 37 H 0.396 0.604 38 H 0.066 0.934 39 H 0.067 0.933 40 H 0.087 0.913 41 H 0.087 0.913 42 H 0.170 0.830 43 H 0.129 0.871 44 H 0.110 0.890 45 H 0.101 0.899 46 H 0.103 0.897 47 H 0.096 0.904 48 H 0.170 0.830 49 H 0.071 0.929 50 H 0.088 0.912 51 H 0.024 0.976 52 H 0.097 0.903 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 2.912 -30.414 -3.920 30.804 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 N -0.538 5.538 2 C -0.145 4.145 3 Si 0.726 3.274 4 H -0.207 1.207 5 H -0.213 1.213 6 H -0.197 1.197 7 C -0.548 4.548 8 H 0.082 0.918 9 C 0.069 3.931 10 N -0.260 5.260 11 C -0.089 4.089 12 C -0.005 4.005 13 N -0.362 5.362 14 C 0.409 3.591 15 O -0.474 6.474 16 N -0.411 5.411 17 C 0.020 3.980 18 C -0.121 4.121 19 C -0.197 4.197 20 C -0.006 4.006 21 N -0.228 5.228 22 C 0.079 3.921 23 C -0.125 4.125 24 C -0.191 4.191 25 C -0.193 4.193 26 N -0.226 5.226 27 C -0.007 4.007 28 C 0.010 3.990 29 C -0.078 4.078 30 H 0.071 0.929 31 H 0.009 0.991 32 H 0.049 0.951 33 H 0.045 0.955 34 H 0.099 0.901 35 H 0.087 0.913 36 H 0.094 0.906 37 H 0.233 0.767 38 H 0.084 0.916 39 H 0.086 0.914 40 H 0.105 0.895 41 H 0.106 0.894 42 H 0.187 0.813 43 H 0.147 0.853 44 H 0.129 0.871 45 H 0.119 0.881 46 H 0.122 0.878 47 H 0.114 0.886 48 H 0.187 0.813 49 H 0.089 0.911 50 H 0.106 0.894 51 H 0.043 0.957 52 H 0.115 0.885 Dipole moment (debyes) X Y Z Total from point charges 3.817 -31.000 -4.772 31.596 hybrid contribution -0.717 1.696 0.432 1.891 sum 3.100 -29.304 -4.340 29.786 Atomic orbital electron populations 1.69959 1.06100 1.26862 1.50839 1.24989 0.94861 0.99367 0.95309 0.86493 0.79820 0.83011 0.78086 1.20710 1.21258 1.19709 1.21143 0.93526 0.89852 1.50325 0.91751 1.19726 0.89991 0.87228 0.96156 1.62074 1.27914 1.02432 1.33561 1.22385 0.94728 0.90997 1.00838 1.21773 0.91901 0.98162 0.88671 1.47421 1.49549 1.07933 1.31266 1.15799 0.81062 0.80202 0.82031 1.90899 1.37755 1.84679 1.34060 1.45210 1.51317 1.10429 1.34133 1.21082 0.99835 0.82592 0.94499 1.20633 1.01851 0.90846 0.98761 1.21432 0.99299 0.99241 0.99716 1.23207 0.96148 0.92608 0.88665 1.68136 1.20130 1.04112 1.30418 1.22155 0.86563 0.93566 0.89820 1.20646 0.98597 0.93823 0.99412 1.23039 1.02407 1.02739 0.90872 1.22987 0.97691 0.96504 1.02155 1.68166 1.27362 1.21251 1.05826 1.23210 0.93490 0.87612 0.96361 1.21846 0.95378 0.80474 1.01298 1.22454 0.95186 0.99219 0.90989 0.92884 0.99135 0.95055 0.95548 0.90108 0.91293 0.90571 0.76741 0.91612 0.91444 0.89459 0.89444 0.81270 0.85302 0.87135 0.88064 0.87844 0.88594 0.81276 0.91092 0.89371 0.95736 0.88459 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 N -0.90 -26.06 13.29 55.43 0.74 -25.32 16 2 C 0.06 1.55 5.46 -17.82 -0.10 1.46 16 3 Si 0.90 21.15 29.54 -169.99 -5.02 16.13 16 4 H -0.28 -6.55 7.11 56.52 0.40 -6.15 16 5 H -0.29 -6.72 7.11 56.52 0.40 -6.32 16 6 H -0.27 -6.31 7.11 56.52 0.40 -5.90 16 7 C -0.51 -13.80 8.41 -34.44 -0.29 -14.09 16 8 H 0.06 1.72 7.13 -52.49 -0.37 1.34 16 9 C 0.19 4.82 4.72 -4.98 -0.02 4.80 16 10 N -0.53 -10.75 4.62 -235.47 -1.09 -11.84 16 11 C 0.04 0.64 5.62 -3.70 -0.02 0.62 16 12 C 0.12 1.47 6.59 -3.60 -0.02 1.45 16 13 N -0.62 -9.18 3.00 -177.91 -0.53 -9.71 16 14 C 0.71 10.48 8.31 -86.92 -0.72 9.76 16 15 O -0.60 -11.07 15.83 5.29 0.08 -10.98 16 16 N -0.75 -7.63 5.47 -65.23 -0.36 -7.98 16 17 C 0.14 1.23 5.66 -4.04 -0.02 1.21 16 18 C -0.08 -0.41 5.51 -27.88 -0.15 -0.57 16 19 C -0.19 -1.29 5.17 -104.36 -0.54 -1.83 16 20 C 0.16 1.21 11.01 -17.21 -0.19 1.02 16 21 N -0.51 -4.83 9.35 -10.72 -0.10 -4.93 16 22 C 0.35 3.31 7.31 -157.19 -1.15 2.16 16 23 C -0.10 -0.78 6.24 -91.77 -0.57 -1.35 16 24 C -0.15 -0.93 10.01 -26.73 -0.27 -1.20 16 25 C -0.16 -0.90 10.23 -26.73 -0.27 -1.18 16 26 N -0.51 -5.00 10.33 -10.72 -0.11 -5.11 16 27 C 0.16 1.20 11.01 -17.20 -0.19 1.01 16 28 C 0.13 2.15 6.61 -3.36 -0.02 2.13 16 29 C 0.05 0.95 5.47 -3.46 -0.02 0.94 16 30 H 0.26 7.20 8.31 -40.82 -0.34 6.86 16 31 H -0.01 -0.25 8.12 -51.93 -0.42 -0.67 16 32 H 0.03 0.83 7.97 -51.93 -0.41 0.41 16 33 H 0.03 0.44 8.14 -51.93 -0.42 0.01 16 34 H 0.08 1.22 7.99 -51.93 -0.41 0.81 16 35 H 0.07 0.60 5.64 -51.93 -0.29 0.31 16 36 H 0.08 0.93 8.14 -51.93 -0.42 0.51 16 37 H 0.40 2.99 5.97 -40.82 -0.24 2.74 16 38 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 39 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 40 H 0.09 0.32 8.10 -51.93 -0.42 -0.10 16 41 H 0.09 0.35 8.10 -51.93 -0.42 -0.07 16 42 H 0.17 0.88 8.06 -52.49 -0.42 0.45 16 43 H 0.13 0.85 8.14 -51.93 -0.42 0.43 16 44 H 0.11 0.79 7.54 -51.93 -0.39 0.40 16 45 H 0.10 0.45 8.14 -51.93 -0.42 0.03 16 46 H 0.10 0.43 8.14 -51.93 -0.42 0.00 16 47 H 0.10 0.62 8.14 -51.93 -0.42 0.20 16 48 H 0.17 0.84 8.06 -52.49 -0.42 0.41 16 49 H 0.07 1.12 8.14 -51.93 -0.42 0.70 16 50 H 0.09 1.46 7.09 -51.93 -0.37 1.09 16 51 H 0.02 0.48 8.14 -51.93 -0.42 0.06 16 52 H 0.10 1.96 6.67 -51.93 -0.35 1.61 16 LS Contribution 422.25 15.07 6.36 6.36 Total: -1.00 -34.50 422.25 -12.92 -47.42 By element: Atomic # 1 Polarization: 7.95 SS G_CDS: -8.32 Total: -0.37 kcal Atomic # 6 Polarization: 10.91 SS G_CDS: -4.58 Total: 6.34 kcal Atomic # 7 Polarization: -63.45 SS G_CDS: -1.45 Total: -64.90 kcal Atomic # 8 Polarization: -11.07 SS G_CDS: 0.08 Total: -10.98 kcal Atomic # 14 Polarization: 21.15 SS G_CDS: -5.02 Total: 16.13 kcal Total LS contribution 6.36 Total: 6.36 kcal Total: -34.50 -12.92 -47.42 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. ZINC000601589972.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 107.481 kcal (2) G-P(sol) polarization free energy of solvation -34.502 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 72.979 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -12.920 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -47.422 kcal (6) G-S(sol) free energy of system = (1) + (5) 60.059 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.18 seconds