Wall clock time and date at job start Wed Apr 1 2020 01:58:45 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 1.52997 * 1 3 3 C 1.53005 * 109.46920 * 2 1 4 4 C 1.52999 * 109.47366 * 120.00360 * 2 1 3 5 5 H 1.09001 * 113.10392 * 289.02946 * 4 2 1 6 6 N 1.47849 * 113.84440 * 157.03249 * 4 2 1 7 7 C 1.34778 * 134.35934 * 42.25567 * 6 4 2 8 8 O 1.21279 * 119.99880 * 5.57376 * 7 6 4 9 9 C 1.50706 * 120.00118 * 185.58334 * 7 6 4 10 10 C 1.53001 * 109.47136 * 179.97438 * 9 7 6 11 11 C 1.52998 * 109.46670 * 179.97438 * 10 9 7 12 12 F 1.39902 * 109.46666 * 180.02562 * 11 10 9 13 13 C 1.47854 * 91.28348 * 222.21225 * 6 4 2 14 14 C 1.52527 * 113.84389 * 61.02203 * 4 2 1 15 15 C 1.53529 * 116.20192 * 255.24946 * 14 4 2 16 16 C 1.54509 * 104.04421 * 165.66864 * 15 14 4 17 17 H 1.09001 * 110.05489 * 97.13292 * 16 15 14 18 18 O 1.42895 * 110.01803 * 218.49819 * 16 15 14 19 19 C 1.53972 * 106.70024 * 337.80647 * 16 15 14 20 20 H 1.08999 * 110.01593 * 240.64586 * 19 16 15 21 21 N 1.46501 * 110.01491 * 119.31099 * 19 16 15 22 22 C 1.36941 * 119.99834 * 86.45541 * 21 19 16 23 23 H 1.07998 * 119.99996 * 359.97438 * 22 21 19 24 24 C 1.38809 * 119.99831 * 180.02562 * 22 21 19 25 25 N 1.31618 * 119.99902 * 179.97438 * 24 22 21 26 26 Si 1.86805 * 120.00282 * 0.02562 * 24 22 21 27 27 H 1.48497 * 109.47280 * 89.99666 * 26 24 22 28 28 H 1.48497 * 109.47322 * 210.00110 * 26 24 22 29 29 H 1.48503 * 109.46753 * 330.00062 * 26 24 22 30 30 C 1.53528 * 116.19889 * 18.81912 * 14 4 2 31 31 H 1.09001 * 109.47156 * 307.57444 * 1 2 3 32 32 H 1.09005 * 109.47641 * 67.58144 * 1 2 3 33 33 H 1.09004 * 109.47083 * 187.57705 * 1 2 3 34 34 H 1.08997 * 109.47132 * 240.00317 * 2 1 3 35 35 H 1.09003 * 109.46449 * 174.80926 * 3 2 1 36 36 H 1.08997 * 109.47232 * 294.81097 * 3 2 1 37 37 H 1.08994 * 109.46849 * 54.81713 * 3 2 1 38 38 H 1.08999 * 109.46965 * 299.99845 * 9 7 6 39 39 H 1.09006 * 109.46964 * 59.99340 * 9 7 6 40 40 H 1.09000 * 109.47066 * 299.99702 * 10 9 7 41 41 H 1.08997 * 109.47075 * 60.00078 * 10 9 7 42 42 H 1.09000 * 109.47205 * 299.99705 * 11 10 9 43 43 H 1.08997 * 109.47235 * 60.00265 * 11 10 9 44 44 H 1.09000 * 113.84457 * 269.42760 * 13 6 4 45 45 H 1.08997 * 113.84307 * 137.78660 * 13 6 4 46 46 H 1.09005 * 110.51614 * 47.02990 * 15 14 4 47 47 H 1.09005 * 110.51806 * 284.31367 * 15 14 4 48 48 H 0.96702 * 114.00672 * 178.72025 * 18 16 15 49 49 H 0.97002 * 120.00246 * 266.45894 * 21 19 16 50 50 H 0.97004 * 120.00102 * 179.97438 * 25 24 22 51 51 H 1.09006 * 110.51700 * 75.69105 * 30 14 4 52 52 H 1.09000 * 110.63347 * 313.03100 * 30 14 4 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 2.0399 1.4426 0.0000 4 6 2.0400 -0.7213 1.2492 5 1 1.8744 -0.1567 2.1667 6 7 3.4131 -1.2525 1.1138 7 6 4.5595 -0.7779 0.5874 8 8 4.6114 0.3616 0.1754 9 6 5.7767 -1.6631 0.5105 10 6 6.9325 -0.8871 -0.1242 11 6 8.1683 -1.7857 -0.2016 12 9 9.2253 -1.0759 -0.7814 13 6 3.0282 -2.5114 1.7870 14 6 1.6084 -2.1816 1.3374 15 6 0.4895 -2.4983 2.3399 16 6 0.0255 -3.9188 1.9474 17 1 0.5108 -4.6596 2.5829 18 8 -1.3942 -4.0219 2.0734 19 6 0.4409 -4.1303 0.4800 20 1 -0.4406 -4.3121 -0.1349 21 7 1.3646 -5.2629 0.3786 22 6 0.8759 -6.5356 0.2501 23 1 -0.1905 -6.7045 0.2239 24 6 1.7512 -7.6088 0.1546 25 7 1.2814 -8.8321 0.0316 26 14 3.5957 -7.3169 0.2021 27 1 4.0700 -7.3752 1.6080 28 1 4.2832 -8.3635 -0.5962 29 1 3.9000 -5.9798 -0.3679 30 6 1.1447 -2.8317 0.0262 31 1 -0.3633 0.6267 0.8145 32 1 -0.3634 0.3919 -0.9500 33 1 -0.3633 -1.0187 0.1355 34 1 1.8933 -0.5138 -0.8900 35 1 3.1260 1.4439 0.0930 36 1 1.7545 1.9289 -0.9328 37 1 1.6028 1.9824 0.8399 38 1 6.0594 -1.9801 1.5144 39 1 5.5508 -2.5395 -0.0971 40 1 6.6496 -0.5705 -1.1281 41 1 7.1584 -0.0106 0.4831 42 1 8.4511 -2.1019 0.8025 43 1 7.9427 -2.6624 -0.8086 44 1 3.1636 -2.4920 2.8684 45 1 3.4419 -3.4051 1.3200 46 1 -0.3295 -1.7865 2.2359 47 1 0.8762 -2.4907 3.3590 48 1 -1.7498 -4.8853 1.8222 49 1 2.3224 -5.1113 0.4026 50 1 1.8930 -9.5820 -0.0356 51 1 1.9999 -3.0626 -0.6091 52 1 0.4449 -2.1813 -0.4986 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) 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 ZINC001105653058.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 01:58:45 Heat of formation + Delta-G solvation = -101.465779 kcal Electronic energy + Delta-G solvation = -32345.338626 eV Core-core repulsion = 28067.204698 eV Total energy + Delta-G solvation = -4278.133929 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 342.211 amu Computer time = 0.92 seconds Orbital eigenvalues (eV) -47.81502 -41.46173 -38.95630 -37.17531 -34.85827 -34.62763 -34.10017 -33.09307 -31.10429 -28.97241 -28.06834 -27.31057 -26.64641 -25.98025 -24.38291 -22.75123 -22.13224 -20.84428 -19.96333 -19.34355 -18.45170 -17.80579 -17.16986 -16.76334 -16.59356 -16.34951 -15.71361 -15.57198 -15.32849 -15.19310 -14.89054 -14.56152 -14.38424 -13.89956 -13.73266 -13.36786 -13.17598 -12.99165 -12.81063 -12.67921 -12.41701 -12.32030 -12.20513 -12.03292 -11.90928 -11.74219 -11.61651 -11.42554 -11.31564 -11.13866 -10.99247 -10.91362 -10.82548 -10.76813 -10.65886 -10.50194 -10.21362 -9.97611 -9.73828 -9.60813 -9.48396 -8.98093 -8.74716 -7.41163 -5.91935 -3.28704 2.52399 2.63508 3.20915 3.22878 3.32435 4.03306 4.19395 4.42927 4.44412 4.46043 4.50227 4.66048 4.76203 4.79900 4.82867 4.89227 4.95326 4.97146 4.99737 5.15065 5.26369 5.31943 5.34721 5.40048 5.41380 5.49186 5.56583 5.59996 5.68586 5.68793 5.69465 5.75189 5.86525 5.91272 5.91944 5.95219 5.99933 6.00415 6.10627 6.11113 6.21192 6.34074 6.42412 6.50135 6.58199 6.69935 7.61268 7.80924 8.10229 8.13315 8.29192 9.04295 9.76807 9.95919 11.26106 Molecular weight = 342.21amu Principal moments of inertia in cm(-1) A = 0.007857 B = 0.004673 C = 0.003121 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3562.981178 B = 5990.135686 C = 8969.730932 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.156 4.156 2 C -0.090 4.090 3 C -0.171 4.171 4 C 0.156 3.844 5 H 0.092 0.908 6 N -0.637 5.637 7 C 0.537 3.463 8 O -0.536 6.536 9 C -0.138 4.138 10 C -0.135 4.135 11 C 0.060 3.940 12 F -0.219 7.219 13 C 0.110 3.890 14 C -0.088 4.088 15 C -0.100 4.100 16 C 0.079 3.921 17 H 0.066 0.934 18 O -0.576 6.576 19 C 0.151 3.849 20 H 0.067 0.933 21 N -0.742 5.742 22 C -0.251 4.251 23 H 0.091 0.909 24 C 0.009 3.991 25 N -0.929 5.929 26 Si 0.881 3.119 27 H -0.283 1.283 28 H -0.290 1.290 29 H -0.278 1.278 30 C -0.114 4.114 31 H 0.054 0.946 32 H 0.056 0.944 33 H 0.074 0.926 34 H 0.074 0.926 35 H 0.098 0.902 36 H 0.045 0.955 37 H 0.043 0.957 38 H 0.095 0.905 39 H 0.098 0.902 40 H 0.082 0.918 41 H 0.081 0.919 42 H 0.075 0.925 43 H 0.076 0.924 44 H 0.090 0.910 45 H 0.087 0.913 46 H 0.082 0.918 47 H 0.068 0.932 48 H 0.381 0.619 49 H 0.359 0.641 50 H 0.261 0.739 51 H 0.070 0.930 52 H 0.089 0.911 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 4.776 16.259 3.780 17.363 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 -0.213 4.213 2 C -0.109 4.109 3 C -0.228 4.228 4 C 0.054 3.946 5 H 0.109 0.891 6 N -0.372 5.372 7 C 0.327 3.673 8 O -0.414 6.414 9 C -0.178 4.178 10 C -0.174 4.174 11 C 0.005 3.995 12 F -0.200 7.200 13 C -0.012 4.012 14 C -0.089 4.089 15 C -0.139 4.139 16 C 0.018 3.982 17 H 0.084 0.916 18 O -0.383 6.383 19 C 0.040 3.960 20 H 0.084 0.916 21 N -0.385 5.385 22 C -0.381 4.381 23 H 0.108 0.892 24 C -0.187 4.187 25 N -0.576 5.576 26 Si 0.711 3.289 27 H -0.209 1.209 28 H -0.216 1.216 29 H -0.204 1.204 30 C -0.152 4.152 31 H 0.073 0.927 32 H 0.075 0.925 33 H 0.093 0.907 34 H 0.093 0.907 35 H 0.116 0.884 36 H 0.065 0.935 37 H 0.062 0.938 38 H 0.113 0.887 39 H 0.116 0.884 40 H 0.101 0.899 41 H 0.099 0.901 42 H 0.093 0.907 43 H 0.095 0.905 44 H 0.108 0.892 45 H 0.105 0.895 46 H 0.101 0.899 47 H 0.087 0.913 48 H 0.229 0.771 49 H 0.193 0.807 50 H 0.071 0.929 51 H 0.088 0.912 52 H 0.107 0.893 Dipole moment (debyes) X Y Z Total from point charges 4.954 17.335 3.620 18.389 hybrid contribution 1.381 -0.714 -0.056 1.556 sum 6.335 16.621 3.564 18.141 Atomic orbital electron populations 1.22056 0.94370 1.03037 1.01854 1.21149 0.95872 0.96828 0.97061 1.22288 1.05408 0.94590 1.00507 1.22719 0.78579 0.94764 0.98558 0.89064 1.50302 1.09086 1.19887 1.57970 1.20199 0.82707 0.87309 0.77036 1.90523 1.82795 1.18727 1.49394 1.21527 0.93186 0.99470 1.03613 1.21888 0.92965 0.98942 1.03574 1.22019 0.84232 0.94338 0.98906 1.92767 1.59349 1.81123 1.86763 1.23175 0.92705 0.87448 0.97881 1.22341 0.94018 0.94472 0.98073 1.22105 0.96988 0.97210 0.97573 1.23519 0.80843 0.95583 0.98295 0.91561 1.86319 1.21779 1.39471 1.90691 1.21614 0.93834 0.86572 0.93944 0.91554 1.42857 1.03458 1.03074 1.89152 1.19054 0.94185 0.81596 1.43217 0.89164 1.24668 0.97264 0.95132 1.01660 1.69688 1.33781 0.97861 1.56315 0.86618 0.87407 0.77124 0.77758 1.20947 1.21640 1.20436 1.22545 1.00957 0.96937 0.94758 0.92682 0.92514 0.90729 0.90734 0.88351 0.93540 0.93777 0.88713 0.88412 0.89910 0.90052 0.90710 0.90549 0.89217 0.89516 0.89931 0.91310 0.77117 0.80745 0.92909 0.91159 0.89302 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -0.16 -1.59 8.54 37.16 0.32 -1.27 16 2 C -0.09 -1.03 2.00 -90.62 -0.18 -1.21 16 3 C -0.17 -2.05 9.10 37.16 0.34 -1.71 16 4 C 0.16 1.75 3.30 -67.43 -0.22 1.52 16 5 H 0.09 0.97 8.14 -51.93 -0.42 0.55 16 6 N -0.64 -7.43 3.50 -178.27 -0.62 -8.05 16 7 C 0.54 6.67 7.92 -10.98 -0.09 6.59 16 8 O -0.54 -8.02 13.06 5.56 0.07 -7.94 16 9 C -0.14 -1.32 5.45 -27.88 -0.15 -1.47 16 10 C -0.14 -1.30 4.96 -26.73 -0.13 -1.44 16 11 C 0.06 0.51 7.55 37.16 0.28 0.79 16 12 F -0.22 -2.51 17.36 2.25 0.04 -2.47 16 13 C 0.11 1.22 7.90 -3.54 -0.03 1.20 16 14 C -0.09 -1.02 0.41 -154.66 -0.06 -1.09 16 15 C -0.10 -1.21 5.76 -25.66 -0.15 -1.36 16 16 C 0.08 1.20 4.07 -25.43 -0.10 1.10 16 17 H 0.07 1.14 7.92 -51.93 -0.41 0.73 16 18 O -0.58 -8.85 13.22 -35.23 -0.47 -9.32 16 19 C 0.15 2.49 3.36 -66.63 -0.22 2.27 16 20 H 0.07 1.19 7.91 -51.93 -0.41 0.78 16 21 N -0.74 -15.19 4.79 -52.16 -0.25 -15.44 16 22 C -0.25 -6.36 10.44 -15.06 -0.16 -6.52 16 23 H 0.09 2.45 8.06 -52.49 -0.42 2.03 16 24 C 0.01 0.25 5.50 -17.43 -0.10 0.15 16 25 N -0.93 -27.45 13.97 55.49 0.78 -26.68 16 26 Si 0.88 20.19 27.74 -169.99 -4.71 15.48 16 27 H -0.28 -6.39 7.11 56.52 0.40 -5.99 16 28 H -0.29 -6.91 7.11 56.52 0.40 -6.51 16 29 H -0.28 -5.85 6.52 56.52 0.37 -5.48 16 30 C -0.11 -1.55 4.55 -25.66 -0.12 -1.67 16 31 H 0.05 0.52 8.13 -51.93 -0.42 0.10 16 32 H 0.06 0.55 8.14 -51.93 -0.42 0.13 16 33 H 0.07 0.80 4.42 -51.93 -0.23 0.57 16 34 H 0.07 0.97 7.52 -51.93 -0.39 0.58 16 35 H 0.10 1.40 4.39 -51.93 -0.23 1.17 16 36 H 0.05 0.53 8.14 -51.93 -0.42 0.11 16 37 H 0.04 0.48 8.14 -51.93 -0.42 0.06 16 38 H 0.09 0.73 8.14 -51.93 -0.42 0.31 16 39 H 0.10 0.90 8.14 -51.93 -0.42 0.47 16 40 H 0.08 0.90 8.10 -51.93 -0.42 0.48 16 41 H 0.08 0.84 8.10 -51.93 -0.42 0.42 16 42 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 43 H 0.08 0.57 8.14 -51.93 -0.42 0.15 16 44 H 0.09 0.84 8.04 -51.93 -0.42 0.43 16 45 H 0.09 1.04 7.51 -51.93 -0.39 0.65 16 46 H 0.08 0.98 7.50 -51.93 -0.39 0.59 16 47 H 0.07 0.75 7.99 -51.93 -0.41 0.33 16 48 H 0.38 5.29 9.10 45.56 0.41 5.70 16 49 H 0.36 7.20 4.99 -40.82 -0.20 6.99 16 50 H 0.26 7.39 8.31 -40.82 -0.34 7.05 16 51 H 0.07 1.05 7.88 -51.93 -0.41 0.64 16 52 H 0.09 1.13 4.65 -51.93 -0.24 0.88 16 LS Contribution 400.80 15.07 6.04 6.04 Total: -1.00 -30.64 400.80 -7.86 -38.50 By element: Atomic # 1 Polarization: 21.94 SS G_CDS: -7.96 Total: 13.99 kcal Atomic # 6 Polarization: -3.33 SS G_CDS: -0.78 Total: -4.11 kcal Atomic # 7 Polarization: -50.07 SS G_CDS: -0.10 Total: -50.17 kcal Atomic # 8 Polarization: -16.87 SS G_CDS: -0.39 Total: -17.26 kcal Atomic # 9 Polarization: -2.51 SS G_CDS: 0.04 Total: -2.47 kcal Atomic # 14 Polarization: 20.19 SS G_CDS: -4.71 Total: 15.48 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -30.64 -7.86 -38.50 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. ZINC001105653058.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 -62.968 kcal (2) G-P(sol) polarization free energy of solvation -30.640 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -93.607 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.858 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.498 kcal (6) G-S(sol) free energy of system = (1) + (5) -101.466 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.92 seconds