Wall clock time and date at job start Wed Apr 1 2020 04:54:33 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 1.50695 * 1 3 3 C 1.34669 * 126.58581 * 2 1 4 4 N 1.34129 * 108.01711 * 179.74790 * 3 2 1 5 5 C 1.30499 * 109.26032 * 0.37414 * 4 3 2 6 6 N 1.35049 * 108.69515 * 359.62593 * 5 4 3 7 7 C 1.46501 * 126.39905 * 180.20539 * 6 5 4 8 8 C 1.50694 * 109.47266 * 265.02784 * 7 6 5 9 9 O 1.21286 * 120.00362 * 359.97438 * 8 7 6 10 10 N 1.34778 * 120.00003 * 179.97438 * 8 7 6 11 11 C 1.47552 * 118.63537 * 353.67567 * 10 8 7 12 12 C 1.54307 * 111.98070 * 137.75460 * 11 10 8 13 13 C 1.50873 * 110.30448 * 319.64677 * 12 11 10 14 14 C 1.52611 * 109.37818 * 91.76418 * 13 12 11 15 15 C 1.47088 * 114.26309 * 275.26145 * 14 13 12 16 16 C 1.54261 * 112.33861 * 301.71410 * 15 14 13 17 17 C 1.54391 * 104.94633 * 237.62481 * 16 15 14 18 18 N 1.48147 * 104.61829 * 23.87925 * 17 16 15 19 19 C 1.36929 * 127.83373 * 140.42825 * 18 17 16 20 20 H 1.08001 * 120.00291 * 344.91855 * 19 18 17 21 21 C 1.38821 * 119.99990 * 164.92282 * 19 18 17 22 22 N 1.31614 * 119.99877 * 350.97917 * 21 19 18 23 23 Si 1.86798 * 120.00111 * 170.98251 * 21 19 18 24 24 H 1.48501 * 109.47133 * 359.97438 * 23 21 19 25 25 H 1.48502 * 109.47170 * 119.99497 * 23 21 19 26 26 H 1.48494 * 109.47057 * 239.99888 * 23 21 19 27 27 C 1.48157 * 104.33063 * 320.43109 * 18 17 16 28 28 C 1.44600 * 118.63422 * 173.94121 * 10 8 7 29 29 H 1.09009 * 109.47224 * 270.03380 * 1 2 3 30 30 H 1.08998 * 109.47846 * 30.03185 * 1 2 3 31 31 H 1.08994 * 109.47561 * 150.04100 * 1 2 3 32 32 H 1.07993 * 125.99488 * 359.93594 * 3 2 1 33 33 H 1.08000 * 125.65626 * 179.89525 * 5 4 3 34 34 H 1.09002 * 109.46591 * 25.02351 * 7 6 5 35 35 H 1.08996 * 109.46832 * 145.02555 * 7 6 5 36 36 H 1.08998 * 108.94284 * 258.56171 * 11 10 8 37 37 H 1.09001 * 108.94403 * 17.16777 * 11 10 8 38 38 H 1.09001 * 109.35569 * 199.34334 * 12 11 10 39 39 H 1.08999 * 109.21063 * 79.85800 * 12 11 10 40 40 H 1.09002 * 109.48647 * 331.79069 * 13 12 11 41 41 H 1.09009 * 109.48482 * 211.73578 * 13 12 11 42 42 H 1.08997 * 108.52544 * 154.02284 * 14 13 12 43 43 H 1.09000 * 108.40202 * 36.40864 * 14 13 12 44 44 H 1.08997 * 110.34944 * 356.49778 * 16 15 14 45 45 H 1.09002 * 110.34026 * 118.75607 * 16 15 14 46 46 H 1.09008 * 110.40308 * 142.66494 * 17 16 15 47 47 H 1.09005 * 110.40667 * 264.97316 * 17 16 15 48 48 H 0.96995 * 120.00221 * 179.97438 * 22 21 19 49 49 H 1.08991 * 110.40478 * 280.76368 * 27 18 17 50 50 H 1.09001 * 110.40719 * 158.32795 * 27 18 17 51 51 H 1.08998 * 109.46697 * 30.56868 * 28 10 8 52 52 H 1.08997 * 109.46645 * 150.55693 * 28 10 8 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 1.5069 0.0000 0.0000 3 6 2.3096 1.0813 0.0000 4 7 3.5811 0.6542 0.0056 5 6 3.5968 -0.6507 0.0010 6 7 2.3229 -1.0990 0.0006 7 6 1.8943 -2.4999 0.0004 8 6 1.6300 -2.9441 -1.4151 9 8 1.7840 -2.1669 -2.3334 10 7 1.2225 -4.2051 -1.6608 11 6 1.1807 -5.1654 -0.5413 12 6 -0.0923 -6.0369 -0.5752 13 6 -1.2878 -5.2027 -0.9640 14 6 -1.4730 -5.2578 -2.4778 15 6 -0.6588 -4.2850 -3.2222 16 6 -0.9450 -2.8310 -2.7936 17 6 -1.3799 -2.1123 -4.0890 18 7 -1.8847 -3.1947 -4.9656 19 6 -2.9721 -3.1635 -5.7973 20 1 -3.7091 -2.3809 -5.6936 21 6 -3.1272 -4.1380 -6.7738 22 7 -2.1498 -4.9844 -7.0199 23 14 -4.7230 -4.2478 -7.7385 24 1 -5.6560 -3.1900 -7.2740 25 1 -4.4412 -4.0599 -9.1844 26 1 -5.3405 -5.5811 -7.5237 27 6 -0.9464 -4.3184 -4.7383 28 6 0.8501 -4.5623 -3.0115 29 1 -0.3634 0.0006 1.0277 30 1 -0.3635 0.8896 -0.5143 31 1 -0.3634 -0.8903 -0.5131 32 1 1.9863 2.1117 -0.0010 33 1 4.4819 -1.2696 0.0022 34 1 2.6785 -3.1197 0.4352 35 1 0.9827 -2.6010 0.5892 36 1 2.0571 -5.8110 -0.5959 37 1 1.2074 -4.6144 0.3988 38 1 -0.2596 -6.4706 0.4107 39 1 0.0409 -6.8381 -1.3021 40 1 -1.1265 -4.1699 -0.6547 41 1 -2.1793 -5.5943 -0.4740 42 1 -2.5234 -5.0761 -2.7050 43 1 -1.2142 -6.2598 -2.8199 44 1 -1.7482 -2.8040 -2.0573 45 1 -0.0435 -2.3707 -2.3892 46 1 -2.1720 -1.3939 -3.8774 47 1 -0.5282 -1.6128 -4.5508 48 1 -2.2583 -5.6655 -7.7019 49 1 -0.0267 -4.1657 -5.3030 50 1 -1.4116 -5.2642 -5.0162 51 1 1.4305 -3.9683 -3.7175 52 1 1.0512 -5.6208 -3.1759 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 ZINC001045951667.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 04:54:33 Heat of formation + Delta-G solvation = 73.603465 kcal Electronic energy + Delta-G solvation = -33124.202501 eV Core-core repulsion = 29126.266069 eV Total energy + Delta-G solvation = -3997.936432 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 346.211 amu Computer time = 1.01 seconds Orbital eigenvalues (eV) -42.24442 -40.83893 -38.21050 -36.34599 -34.20562 -33.66853 -32.79332 -31.97190 -31.03488 -28.65642 -28.14871 -27.22480 -26.44960 -25.41568 -24.66314 -23.27009 -21.54412 -21.23736 -20.41997 -20.34894 -19.05102 -18.12436 -17.72169 -17.15466 -16.83841 -16.28988 -15.66217 -15.16192 -14.86910 -14.81569 -14.37934 -14.26662 -13.93725 -13.80762 -13.72349 -13.44768 -13.09402 -12.95485 -12.80471 -12.77269 -12.64001 -12.61522 -12.45530 -12.06051 -11.87427 -11.40365 -11.14396 -11.06075 -10.96614 -10.82818 -10.62962 -10.30252 -10.25583 -10.05915 -9.97554 -9.86692 -9.78385 -9.72647 -9.59659 -9.38649 -8.65207 -8.44234 -8.29262 -6.77714 -5.74823 -3.07272 1.89275 2.37181 2.49976 3.00639 3.19375 3.38506 3.45036 3.47186 4.10971 4.31560 4.45987 4.50571 4.60894 4.62337 4.66768 4.75350 4.96509 5.09346 5.10977 5.18074 5.30125 5.39659 5.44568 5.44771 5.48887 5.55493 5.68879 5.73310 5.75470 5.82429 5.84515 5.99997 6.03779 6.09594 6.14968 6.16225 6.30621 6.33600 6.51048 6.64099 6.71035 6.71716 6.74581 6.86274 6.90438 7.06448 7.14484 7.24211 7.41281 7.59424 7.75698 8.01903 8.05485 8.27135 9.16915 9.79908 10.59486 11.39292 Molecular weight = 346.21amu Principal moments of inertia in cm(-1) A = 0.014111 B = 0.003484 C = 0.003071 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1983.770084 B = 8035.809312 C = 9114.832563 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.080 4.080 2 C -0.008 4.008 3 C -0.032 4.032 4 N -0.492 5.492 5 C 0.185 3.815 6 N -0.442 5.442 7 C 0.084 3.916 8 C 0.490 3.510 9 O -0.503 6.503 10 N -0.595 5.595 11 C 0.105 3.895 12 C -0.131 4.131 13 C -0.115 4.115 14 C -0.094 4.094 15 C -0.090 4.090 16 C -0.139 4.139 17 C 0.129 3.871 18 N -0.595 5.595 19 C -0.219 4.219 20 H 0.074 0.926 21 C -0.008 4.008 22 N -0.917 5.917 23 Si 0.908 3.092 24 H -0.279 1.279 25 H -0.291 1.291 26 H -0.291 1.291 27 C 0.173 3.827 28 C 0.125 3.875 29 H 0.070 0.930 30 H 0.084 0.916 31 H 0.065 0.935 32 H 0.167 0.833 33 H 0.201 0.799 34 H 0.120 0.880 35 H 0.118 0.882 36 H 0.068 0.932 37 H 0.074 0.926 38 H 0.072 0.928 39 H 0.071 0.929 40 H 0.061 0.939 41 H 0.059 0.941 42 H 0.065 0.935 43 H 0.054 0.946 44 H 0.045 0.955 45 H 0.080 0.920 46 H 0.038 0.962 47 H 0.020 0.980 48 H 0.252 0.748 49 H 0.019 0.981 50 H 0.086 0.914 51 H 0.086 0.914 52 H 0.072 0.928 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 7.747 -1.570 20.556 22.023 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 -0.138 4.138 2 C -0.121 4.121 3 C -0.178 4.178 4 N -0.209 5.209 5 C -0.096 4.096 6 N -0.126 5.126 7 C -0.043 4.043 8 C 0.276 3.724 9 O -0.378 6.378 10 N -0.328 5.328 11 C -0.018 4.018 12 C -0.169 4.169 13 C -0.153 4.153 14 C -0.131 4.131 15 C -0.093 4.093 16 C -0.178 4.178 17 C 0.003 3.997 18 N -0.319 5.319 19 C -0.348 4.348 20 H 0.092 0.908 21 C -0.205 4.205 22 N -0.564 5.564 23 Si 0.739 3.261 24 H -0.205 1.205 25 H -0.218 1.218 26 H -0.218 1.218 27 C 0.046 3.954 28 C 0.002 3.998 29 H 0.088 0.912 30 H 0.103 0.897 31 H 0.084 0.916 32 H 0.184 0.816 33 H 0.217 0.783 34 H 0.138 0.862 35 H 0.136 0.864 36 H 0.086 0.914 37 H 0.092 0.908 38 H 0.091 0.909 39 H 0.089 0.911 40 H 0.080 0.920 41 H 0.078 0.922 42 H 0.083 0.917 43 H 0.073 0.927 44 H 0.064 0.936 45 H 0.098 0.902 46 H 0.056 0.944 47 H 0.038 0.962 48 H 0.062 0.938 49 H 0.037 0.963 50 H 0.104 0.896 51 H 0.104 0.896 52 H 0.090 0.910 Dipole moment (debyes) X Y Z Total from point charges 8.358 -0.900 19.839 21.546 hybrid contribution -1.485 -0.877 -0.652 1.844 sum 6.873 -1.777 19.187 20.458 Atomic orbital electron populations 1.20252 0.87279 1.04089 1.02188 1.21222 0.94531 0.86599 1.09798 1.21981 0.88361 0.98351 1.09153 1.70237 1.22504 1.08723 1.19442 1.24799 0.86857 0.91862 1.06119 1.44885 1.07452 1.05251 1.55023 1.21785 1.04095 0.81511 0.96934 1.20559 0.78224 0.82793 0.90836 1.90819 1.49660 1.52196 1.45152 1.47769 1.65099 1.09833 1.10107 1.22113 0.98979 0.92181 0.88504 1.21838 0.94272 0.98495 1.02276 1.21096 0.96874 0.99936 0.97364 1.20296 1.01198 0.98764 0.92865 1.21240 0.92606 0.95147 1.00285 1.23056 1.00792 0.95436 0.98516 1.21602 0.95883 0.91708 0.90507 1.44942 1.29951 1.08755 1.48245 1.19050 0.96897 1.10784 1.08043 0.90775 1.24844 0.97974 0.99757 0.97880 1.69897 1.30528 1.21138 1.34857 0.86094 0.82904 0.77382 0.79712 1.20469 1.21777 1.21758 1.21536 0.92657 0.94538 0.86663 1.21829 0.96362 1.00463 0.81110 0.91153 0.89727 0.91569 0.81555 0.78264 0.86197 0.86445 0.91404 0.90791 0.90917 0.91051 0.92004 0.92234 0.91676 0.92699 0.93617 0.90196 0.94383 0.96184 0.93815 0.96262 0.89557 0.89604 0.90962 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 -0.08 -0.81 10.08 36.00 0.36 -0.45 16 2 C -0.01 -0.09 6.95 -81.61 -0.57 -0.66 16 3 C -0.03 -0.42 11.79 -17.81 -0.21 -0.63 16 4 N -0.49 -7.13 11.25 -14.67 -0.16 -7.30 16 5 C 0.19 2.23 12.56 -90.37 -1.13 1.09 16 6 N -0.44 -5.02 2.24 -115.28 -0.26 -5.28 16 7 C 0.08 0.71 4.57 -5.20 -0.02 0.68 16 8 C 0.49 6.06 5.98 -10.99 -0.07 6.00 16 9 O -0.50 -8.77 13.91 5.55 0.08 -8.70 16 10 N -0.59 -6.71 2.03 -172.35 -0.35 -7.06 16 11 C 0.10 0.75 6.01 -2.78 -0.02 0.74 16 12 C -0.13 -1.05 5.71 -27.11 -0.15 -1.20 16 13 C -0.12 -1.27 5.35 -28.00 -0.15 -1.42 16 14 C -0.09 -1.44 3.86 -29.77 -0.11 -1.56 16 15 C -0.09 -1.58 0.67 -155.00 -0.10 -1.68 16 16 C -0.14 -2.53 5.19 -25.34 -0.13 -2.66 16 17 C 0.13 2.90 7.23 -2.41 -0.02 2.89 16 18 N -0.60 -15.45 3.38 -168.87 -0.57 -16.02 16 19 C -0.22 -6.18 10.36 -15.06 -0.16 -6.34 16 20 H 0.07 2.05 7.84 -52.49 -0.41 1.64 16 21 C -0.01 -0.23 5.40 -17.43 -0.09 -0.32 16 22 N -0.92 -26.82 10.83 55.49 0.60 -26.22 16 23 Si 0.91 22.11 29.56 -169.99 -5.03 17.09 16 24 H -0.28 -6.63 7.11 56.52 0.40 -6.23 16 25 H -0.29 -7.16 7.11 56.52 0.40 -6.75 16 26 H -0.29 -7.05 7.11 56.52 0.40 -6.65 16 27 C 0.17 4.06 5.02 -2.42 -0.01 4.05 16 28 C 0.12 1.86 4.37 -4.08 -0.02 1.85 16 29 H 0.07 0.55 8.14 -51.92 -0.42 0.13 16 30 H 0.08 0.82 8.14 -51.93 -0.42 0.39 16 31 H 0.07 0.74 7.95 -51.93 -0.41 0.33 16 32 H 0.17 1.86 8.06 -52.49 -0.42 1.44 16 33 H 0.20 1.67 8.06 -52.49 -0.42 1.25 16 34 H 0.12 0.59 7.77 -51.93 -0.40 0.18 16 35 H 0.12 0.76 7.57 -51.93 -0.39 0.37 16 36 H 0.07 0.40 8.14 -51.93 -0.42 -0.03 16 37 H 0.07 0.34 5.77 -51.93 -0.30 0.04 16 38 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 39 H 0.07 0.63 7.32 -51.93 -0.38 0.25 16 40 H 0.06 0.70 6.07 -51.93 -0.31 0.39 16 41 H 0.06 0.62 8.14 -51.92 -0.42 0.19 16 42 H 0.06 1.20 8.14 -51.93 -0.42 0.77 16 43 H 0.05 0.83 7.37 -51.93 -0.38 0.45 16 44 H 0.05 0.79 6.96 -51.93 -0.36 0.43 16 45 H 0.08 1.39 3.00 -51.93 -0.16 1.24 16 46 H 0.04 0.83 8.14 -51.92 -0.42 0.41 16 47 H 0.02 0.49 8.14 -51.93 -0.42 0.07 16 48 H 0.25 7.12 8.31 -40.82 -0.34 6.78 16 49 H 0.02 0.50 7.48 -51.93 -0.39 0.11 16 50 H 0.09 2.25 6.22 -51.93 -0.32 1.93 16 51 H 0.09 1.53 6.81 -51.93 -0.35 1.18 16 52 H 0.07 0.98 8.08 -51.93 -0.42 0.56 16 LS Contribution 391.42 15.07 5.90 5.90 Total: -1.00 -35.58 391.42 -10.76 -46.34 By element: Atomic # 1 Polarization: 9.23 SS G_CDS: -8.36 Total: 0.87 kcal Atomic # 6 Polarization: 2.98 SS G_CDS: -2.61 Total: 0.37 kcal Atomic # 7 Polarization: -61.13 SS G_CDS: -0.74 Total: -61.87 kcal Atomic # 8 Polarization: -8.77 SS G_CDS: 0.08 Total: -8.70 kcal Atomic # 14 Polarization: 22.11 SS G_CDS: -5.03 Total: 17.09 kcal Total LS contribution 5.90 Total: 5.90 kcal Total: -35.58 -10.76 -46.34 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. ZINC001045951667.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 119.944 kcal (2) G-P(sol) polarization free energy of solvation -35.577 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 84.367 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.764 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -46.341 kcal (6) G-S(sol) free energy of system = (1) + (5) 73.603 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.01 seconds