Wall clock time and date at job start Tue Mar 9 2021 14:40:43 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= 0 * AM1 - THE AM1 HAMILTONIAN TO BE USED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 O 2 2 C 1.42898 * 1 3 3 Si 1.86305 * 109.46748 * 2 1 4 4 H 1.48501 * 109.47060 * 299.99972 * 3 2 1 5 5 H 1.48503 * 109.47195 * 59.99691 * 3 2 1 6 6 H 1.48500 * 109.47092 * 179.97438 * 3 2 1 7 7 C 1.50692 * 109.47457 * 240.00091 * 2 1 3 8 8 C 1.34235 * 126.50345 * 104.96913 * 7 2 1 9 9 N 1.36838 * 109.93800 * 180.02562 * 8 7 2 10 10 C 1.46497 * 125.05962 * 180.02562 * 9 8 7 11 11 C 1.50696 * 109.47264 * 264.97485 * 10 9 8 12 12 O 1.21282 * 120.00082 * 359.97438 * 11 10 9 13 13 N 1.34777 * 120.00401 * 180.02562 * 11 10 9 14 14 C 1.46500 * 120.00253 * 180.02562 * 13 11 10 15 15 C 1.52570 * 108.90360 * 276.36547 * 14 13 11 16 16 C 1.54427 * 109.15758 * 161.39942 * 15 14 13 17 17 Si 1.85208 * 107.00027 * 56.84568 * 16 15 14 18 18 C 1.87770 * 111.38140 * 81.14891 * 17 16 15 19 19 C 1.56398 * 98.96104 * 98.19805 * 18 17 16 20 20 C 1.53780 * 109.78959 * 39.36982 * 19 18 17 21 21 C 1.55692 * 111.39278 * 312.19399 * 20 19 18 22 22 C 1.85200 * 110.01681 * 317.14519 * 17 16 15 23 23 C 1.52569 * 108.90607 * 153.62967 * 14 13 11 24 24 C 1.37687 * 109.87588 * 0.02562 * 9 8 7 25 25 C 1.39083 * 133.51779 * 179.97438 * 24 9 8 26 26 C 1.37786 * 119.77949 * 179.97438 * 25 24 9 27 27 C 1.38785 * 120.67117 * 0.02776 * 26 25 24 28 28 C 1.36668 * 120.52395 * 359.97001 * 27 26 25 29 29 C 1.39590 * 119.76122 * 0.26101 * 28 27 26 30 30 H 0.96700 * 114.00375 * 60.00316 * 1 2 3 31 31 H 1.08998 * 109.47129 * 119.99843 * 2 1 3 32 32 H 1.07997 * 125.02815 * 359.97438 * 8 7 2 33 33 H 1.09005 * 109.47418 * 24.97640 * 10 9 8 34 34 H 1.09002 * 109.47272 * 144.97610 * 10 9 8 35 35 H 0.96997 * 119.99535 * 359.97438 * 13 11 10 36 36 H 1.08997 * 108.88315 * 34.99578 * 14 13 11 37 37 H 1.08994 * 109.51943 * 281.40041 * 15 14 13 38 38 H 1.09004 * 109.51565 * 41.57345 * 15 14 13 39 39 H 1.09007 * 110.01234 * 297.45392 * 16 15 14 40 40 H 1.09002 * 109.99263 * 176.23104 * 16 15 14 41 41 H 1.08991 * 111.49448 * 215.64112 * 18 17 16 42 42 H 1.08995 * 111.49495 * 340.76252 * 18 17 16 43 43 H 1.09000 * 109.41995 * 279.27355 * 19 18 17 44 44 H 1.08995 * 109.41724 * 159.46491 * 19 18 17 45 45 H 1.09003 * 109.10201 * 191.68491 * 20 19 18 46 46 H 1.09001 * 109.10476 * 72.70211 * 20 19 18 47 47 H 1.08999 * 111.14114 * 270.08080 * 21 20 19 48 48 H 1.09001 * 111.17909 * 145.89144 * 21 20 19 49 49 H 1.08995 * 109.93832 * 283.40561 * 22 17 16 50 50 H 1.08995 * 110.00513 * 162.22116 * 22 17 16 51 51 H 1.09001 * 109.51426 * 318.42448 * 23 14 13 52 52 H 1.08992 * 109.51792 * 78.53763 * 23 14 13 53 53 H 1.08002 * 120.11191 * 0.02562 * 25 24 9 54 54 H 1.08005 * 119.66747 * 180.02562 * 26 25 24 55 55 H 1.07995 * 119.74132 * 179.97438 * 27 26 25 56 56 H 1.08002 * 120.11541 * 179.97438 * 28 27 26 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 8 0.0000 0.0000 0.0000 2 6 1.4290 0.0000 0.0000 3 14 2.0499 1.7565 0.0000 4 1 1.5548 2.4565 -1.2125 5 1 1.5548 2.4566 1.2125 6 1 3.5349 1.7566 0.0006 7 6 1.9314 -0.7103 -1.2304 8 6 2.4603 -0.1375 -2.3231 9 7 2.8021 -1.0990 -3.2349 10 6 3.4068 -0.8403 -4.5439 11 6 2.3271 -0.7842 -5.5937 12 8 1.1668 -0.9449 -5.2795 13 7 2.6510 -0.5564 -6.8820 14 6 1.6013 -0.5012 -7.9025 15 6 1.2720 -1.9221 -8.3501 16 6 -0.1068 -1.9276 -9.0457 17 14 -0.0125 -0.7171 -10.4443 18 6 0.8144 -1.4744 -11.9505 19 6 -0.4653 -1.8623 -12.7617 20 6 -1.5248 -0.7563 -12.6229 21 6 -1.7110 -0.3315 -11.1367 22 6 0.8630 0.8196 -9.8948 23 6 2.0804 0.3726 -9.0578 24 6 2.4930 -2.3456 -2.7387 25 6 2.6272 -3.6361 -3.2398 26 6 2.2139 -4.7106 -2.4828 27 6 1.6633 -4.5193 -1.2233 28 6 1.5221 -3.2599 -0.7114 29 6 1.9298 -2.1567 -1.4633 30 1 -0.3934 0.4416 -0.7650 31 1 1.7923 -0.5138 0.8900 32 1 2.5954 0.9249 -2.4623 33 1 3.9376 0.1114 -4.5173 34 1 4.1069 -1.6402 -4.7852 35 1 3.5790 -0.4282 -7.1334 36 1 0.7088 -0.0524 -7.4666 37 1 2.0344 -2.2704 -9.0468 38 1 1.2432 -2.5801 -7.4815 39 1 -0.8810 -1.6224 -8.3416 40 1 -0.3262 -2.9236 -9.4303 41 1 1.4191 -0.7418 -12.4847 42 1 1.4004 -2.3541 -11.6844 43 1 -0.8676 -2.7997 -12.3776 44 1 -0.2047 -1.9846 -13.8129 45 1 -2.4753 -1.1222 -13.0112 46 1 -1.2137 0.1108 -13.2056 47 1 -2.4797 -0.9314 -10.6497 48 1 -1.9361 0.7320 -11.0564 49 1 0.1963 1.4293 -9.2850 50 1 1.1972 1.3887 -10.7622 51 1 2.5925 1.2500 -8.6626 52 1 2.7656 -0.1971 -9.6854 53 1 3.0548 -3.7955 -4.2187 54 1 2.3194 -5.7119 -2.8735 55 1 1.3440 -5.3722 -0.6430 56 1 1.0924 -3.1186 0.2693 RHF calculation, no. of doubly occupied orbitals= 70 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER m_22_15739290_9818708.mol2 56 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 9 2021 14:40:43 Heat of formation + Delta-G solvation = -48.192225 kcal Electronic energy + Delta-G solvation = -33859.702747 eV Core-core repulsion = 29664.034253 eV Total energy + Delta-G solvation = -4195.668495 eV No. of doubly occupied orbitals = 70 Molecular weight (most abundant/longest-lived isotopes) = 386.194 amu Computer time = 1.29 seconds Orbital eigenvalues (eV) -42.54657 -40.88039 -38.23096 -37.97167 -37.46008 -36.16620 -34.35389 -33.71939 -32.09286 -31.42677 -30.25270 -29.70690 -29.11228 -26.88484 -25.54141 -24.68575 -23.76227 -23.62233 -22.71382 -21.72286 -21.54249 -20.90146 -20.65471 -18.66487 -18.38648 -17.85342 -17.40917 -16.91877 -16.45501 -16.39777 -16.13190 -16.05459 -15.85618 -15.69001 -15.56401 -15.34818 -15.05057 -14.81611 -14.72122 -14.52632 -14.41015 -14.21206 -13.81147 -13.65922 -13.41757 -13.28753 -13.18090 -13.09311 -12.85049 -12.71340 -12.56744 -12.41069 -12.33290 -12.22657 -12.15305 -12.14087 -11.96172 -11.90747 -11.74166 -11.68461 -11.37801 -11.14108 -10.55818 -10.39154 -10.33038 -10.27727 -10.20662 -10.07237 -9.16887 -8.63532 0.13257 0.63625 1.22164 1.38570 1.47026 1.48991 1.58367 1.69065 1.76749 1.88311 1.94004 1.95150 2.22822 2.64986 2.95143 3.56530 3.65251 3.65884 3.72197 3.76493 3.82241 4.03237 4.06052 4.10754 4.12726 4.13171 4.17985 4.21793 4.29763 4.30227 4.39074 4.47454 4.51423 4.59773 4.62889 4.63788 4.68544 4.71667 4.78322 4.79025 4.82336 4.90148 5.08534 5.10867 5.12950 5.13844 5.18888 5.22424 5.24181 5.33855 5.35938 5.43029 5.48513 5.50426 5.51907 5.57736 5.66192 5.73660 5.74954 6.18053 6.23035 6.49983 6.75252 7.16879 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 O -0.560 6.560 2 C -0.053 4.053 3 Si 0.993 3.007 4 H -0.247 1.247 5 H -0.273 1.273 6 H -0.249 1.249 7 C -0.217 4.217 8 C 0.062 3.938 9 N -0.467 5.467 10 C 0.086 3.914 11 C 0.489 3.511 12 O -0.570 6.570 13 N -0.710 5.710 14 C 0.135 3.865 15 C -0.114 4.114 16 C -0.424 4.424 17 Si 1.052 2.948 18 C -0.406 4.406 19 C -0.128 4.128 20 C -0.123 4.123 21 C -0.429 4.429 22 C -0.410 4.410 23 C -0.112 4.112 24 C 0.090 3.910 25 C -0.136 4.136 26 C -0.107 4.107 27 C -0.154 4.154 28 C -0.085 4.085 29 C -0.114 4.114 30 H 0.384 0.616 31 H 0.109 0.891 32 H 0.192 0.808 33 H 0.161 0.839 34 H 0.143 0.857 35 H 0.420 0.580 36 H 0.063 0.937 37 H 0.088 0.912 38 H 0.039 0.961 39 H 0.061 0.939 40 H 0.077 0.923 41 H 0.087 0.913 42 H 0.083 0.917 43 H 0.060 0.940 44 H 0.064 0.936 45 H 0.053 0.947 46 H 0.066 0.934 47 H 0.068 0.932 48 H 0.080 0.920 49 H 0.075 0.925 50 H 0.098 0.902 51 H 0.082 0.918 52 H 0.094 0.906 53 H 0.130 0.870 54 H 0.145 0.855 55 H 0.138 0.862 56 H 0.123 0.877 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 7.369 2.976 -5.938 9.921 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 O -0.367 6.367 2 C -0.163 4.163 3 Si 0.815 3.185 4 H -0.170 1.170 5 H -0.198 1.198 6 H -0.173 1.173 7 C -0.225 4.225 8 C -0.063 4.063 9 N -0.149 5.149 10 C -0.039 4.039 11 C 0.274 3.726 12 O -0.448 6.448 13 N -0.363 5.363 14 C 0.030 3.970 15 C -0.153 4.153 16 C -0.508 4.508 17 Si 1.242 2.758 18 C -0.492 4.492 19 C -0.166 4.166 20 C -0.161 4.161 21 C -0.514 4.514 22 C -0.497 4.497 23 C -0.150 4.150 24 C -0.015 4.015 25 C -0.156 4.156 26 C -0.126 4.126 27 C -0.173 4.173 28 C -0.104 4.104 29 C -0.119 4.119 30 H 0.232 0.768 31 H 0.127 0.873 32 H 0.209 0.791 33 H 0.179 0.821 34 H 0.161 0.839 35 H 0.258 0.742 36 H 0.081 0.919 37 H 0.107 0.893 38 H 0.058 0.942 39 H 0.080 0.920 40 H 0.096 0.904 41 H 0.106 0.894 42 H 0.102 0.898 43 H 0.079 0.921 44 H 0.083 0.917 45 H 0.072 0.928 46 H 0.084 0.916 47 H 0.087 0.913 48 H 0.098 0.902 49 H 0.094 0.906 50 H 0.116 0.884 51 H 0.101 0.899 52 H 0.113 0.887 53 H 0.148 0.852 54 H 0.162 0.838 55 H 0.155 0.845 56 H 0.141 0.859 Dipole moment (debyes) X Y Z Total from point charges 7.085 3.472 -5.419 9.571 hybrid contribution -0.625 -0.583 -0.550 1.016 sum 6.460 2.889 -5.969 9.258 Atomic orbital electron populations 1.86459 1.18481 1.82180 1.49541 1.24538 0.84019 1.10991 0.96726 0.85142 0.79868 0.73020 0.80466 1.17037 1.19817 1.17251 1.20845 1.10706 0.92100 0.98842 1.21986 1.00435 0.95011 0.88873 1.43415 1.53313 1.03861 1.14316 1.21996 0.93946 1.08985 0.78936 1.21438 0.90442 0.76165 0.84563 1.90799 1.22278 1.49913 1.81821 1.45993 1.12011 1.72324 1.05965 1.21097 0.91094 0.95999 0.88769 1.21675 0.97531 0.95928 1.00143 1.26433 0.98500 1.12563 1.13351 0.78857 0.65972 0.65907 0.65037 1.26713 1.00685 1.07549 1.14286 1.22077 0.94884 0.98512 1.01118 1.21887 0.98811 0.98841 0.96517 1.26739 1.18367 1.04323 1.01943 1.26157 1.04255 1.14494 1.04791 1.21587 0.98532 0.99619 0.95256 1.18415 1.01722 0.86926 0.94414 1.20226 1.05250 0.89184 1.00951 1.21129 0.98177 0.98937 0.94375 1.20928 1.02324 0.97143 0.96921 1.20484 0.98748 0.91525 0.99628 1.19329 1.03811 0.93781 0.94952 0.76807 0.87262 0.79129 0.82129 0.83899 0.74196 0.91877 0.89331 0.94213 0.92046 0.90397 0.89402 0.89816 0.92079 0.91734 0.92769 0.91564 0.91323 0.90155 0.90648 0.88377 0.89924 0.88729 0.85184 0.83769 0.84461 0.85888 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 O -0.56 -3.77 12.88 -148.98 -1.92 -5.69 16 2 C -0.05 -0.21 3.06 71.23 0.22 0.01 16 3 Si 0.99 -0.27 26.08 68.60 1.79 1.52 16 4 H -0.25 0.41 7.03 99.48 0.70 1.11 16 5 H -0.27 -0.90 7.11 99.48 0.71 -0.19 16 6 H -0.25 0.15 7.11 99.48 0.71 0.86 16 7 C -0.22 -1.45 5.57 -18.63 -0.10 -1.56 16 8 C 0.06 0.19 9.89 83.00 0.82 1.01 16 9 N -0.47 -1.51 2.27 -520.01 -1.18 -2.69 16 10 C 0.09 -0.49 6.48 85.63 0.55 0.07 16 11 C 0.49 0.14 7.67 87.66 0.67 0.81 16 12 O -0.57 -6.89 16.07 -3.04 -0.05 -6.94 16 13 N -0.71 4.23 5.02 -443.90 -2.23 2.00 16 14 C 0.13 -0.40 1.98 44.71 0.09 -0.32 16 15 C -0.11 0.14 5.24 30.94 0.16 0.31 16 16 C -0.42 0.24 4.96 72.47 0.36 0.60 16 17 Si 1.05 -5.62 10.56 68.60 0.72 -4.90 16 18 C -0.41 1.93 5.95 73.17 0.44 2.37 16 19 C -0.13 0.20 5.97 32.04 0.19 0.39 16 20 C -0.12 0.07 6.10 31.79 0.19 0.26 16 21 C -0.43 0.49 5.84 72.91 0.43 0.91 16 22 C -0.41 2.73 4.95 72.44 0.36 3.09 16 23 C -0.11 0.92 5.11 30.91 0.16 1.07 16 24 C 0.09 0.76 6.80 39.03 0.27 1.03 16 25 C -0.14 -0.87 10.00 22.37 0.22 -0.64 16 26 C -0.11 -0.61 10.01 22.29 0.22 -0.39 16 27 C -0.15 -1.10 9.97 22.03 0.22 -0.88 16 28 C -0.09 -0.84 10.05 22.23 0.22 -0.62 16 29 C -0.11 -1.22 6.35 -20.20 -0.13 -1.35 16 30 H 0.38 0.44 8.70 -74.06 -0.64 -0.20 16 31 H 0.11 0.38 7.96 -2.39 -0.02 0.36 16 32 H 0.19 -0.70 6.29 -2.91 -0.02 -0.72 16 33 H 0.16 -2.22 8.12 -2.38 -0.02 -2.24 16 34 H 0.14 -1.54 8.14 -2.39 -0.02 -1.56 16 35 H 0.42 -5.82 8.59 -92.71 -0.80 -6.62 16 36 H 0.06 0.19 7.24 -2.39 -0.02 0.18 16 37 H 0.09 -0.51 7.75 -2.39 -0.02 -0.53 16 38 H 0.04 0.19 7.94 -2.38 -0.02 0.17 16 39 H 0.06 0.19 7.97 -2.38 -0.02 0.17 16 40 H 0.08 -0.03 7.97 -2.39 -0.02 -0.05 16 41 H 0.09 -0.54 8.04 -2.39 -0.02 -0.56 16 42 H 0.08 -0.46 8.04 -2.39 -0.02 -0.48 16 43 H 0.06 -0.08 8.14 -2.39 -0.02 -0.10 16 44 H 0.06 -0.09 8.14 -2.39 -0.02 -0.11 16 45 H 0.05 0.04 8.14 -2.39 -0.02 0.02 16 46 H 0.07 -0.11 8.14 -2.39 -0.02 -0.12 16 47 H 0.07 0.03 8.03 -2.39 -0.02 0.01 16 48 H 0.08 -0.13 8.03 -2.39 -0.02 -0.15 16 49 H 0.07 -0.38 7.97 -2.39 -0.02 -0.40 16 50 H 0.10 -0.84 7.97 -2.39 -0.02 -0.85 16 51 H 0.08 -0.78 8.13 -2.39 -0.02 -0.80 16 52 H 0.09 -1.12 7.76 -2.39 -0.02 -1.14 16 53 H 0.13 0.24 8.06 -2.91 -0.02 0.21 16 54 H 0.14 0.09 8.06 -2.91 -0.02 0.06 16 55 H 0.14 0.38 8.06 -2.91 -0.02 0.36 16 56 H 0.12 1.02 8.06 -2.91 -0.02 1.00 16 Total: 0.00 -25.69 441.53 2.88 -22.81 By element: Atomic # 1 Polarization: -12.48 SS G_CDS: 0.18 Total: -12.30 kcal Atomic # 6 Polarization: 0.62 SS G_CDS: 5.56 Total: 6.18 kcal Atomic # 7 Polarization: 2.72 SS G_CDS: -3.41 Total: -0.69 kcal Atomic # 8 Polarization: -10.66 SS G_CDS: -1.97 Total: -12.63 kcal Atomic # 14 Polarization: -5.89 SS G_CDS: 2.51 Total: -3.38 kcal Total: -25.69 2.88 -22.81 kcal The number of atoms in the molecule is 56 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. m_22_15739290_9818708.mol2 56 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 -25.385 kcal (2) G-P(sol) polarization free energy of solvation -25.687 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -51.072 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 2.880 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -22.807 kcal (6) G-S(sol) free energy of system = (1) + (5) -48.192 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.29 seconds