Wall clock time and date at job start Sat Mar 6 2021 17:22:47 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 C 2 2 C 1.52996 * 1 3 3 C 1.52998 * 109.47176 * 2 1 4 4 C 1.52997 * 109.46865 * 239.99935 * 2 1 3 5 5 O 1.45197 * 109.47498 * 120.00275 * 2 1 3 6 6 C 1.34638 * 117.00250 * 59.99644 * 5 2 1 7 7 O 1.21510 * 119.99896 * 0.02562 * 6 5 2 8 8 N 1.34780 * 120.00225 * 180.02562 * 6 5 2 9 9 C 1.46499 * 120.00018 * 180.02562 * 8 6 5 10 10 H 1.08996 * 109.46979 * 324.99889 * 9 8 6 11 11 C 1.52999 * 109.47155 * 84.99458 * 9 8 6 12 12 C 1.53005 * 109.47076 * 179.97438 * 11 9 8 13 13 C 1.52995 * 109.47228 * 300.00529 * 12 11 9 14 14 H 1.09007 * 109.46875 * 299.99554 * 13 12 11 15 15 N 1.46499 * 109.47022 * 179.97438 * 13 12 11 16 16 C 1.34784 * 119.99971 * 84.99732 * 15 13 12 17 17 O 1.21561 * 119.99904 * 359.72721 * 16 15 13 18 18 C 1.47718 * 119.99792 * 179.97438 * 16 15 13 19 19 C 1.39631 * 120.11933 * 179.97438 * 18 16 15 20 20 C 1.37856 * 119.88101 * 179.97438 * 19 18 16 21 21 C 1.50700 * 119.93698 * 179.97438 * 20 19 18 22 22 O 1.42908 * 109.47060 * 254.99604 * 21 20 19 23 23 Si 1.86300 * 109.47036 * 135.00329 * 21 20 19 24 24 C 1.38632 * 120.11851 * 0.02562 * 20 19 18 25 25 F 1.35104 * 119.87765 * 180.02562 * 24 20 19 26 26 C 1.38669 * 120.24042 * 359.97438 * 24 20 19 27 27 C 1.37815 * 120.11948 * 359.78525 * 26 24 20 28 28 C 1.52999 * 109.47524 * 59.99745 * 13 12 11 29 29 C 1.52996 * 109.47213 * 204.99569 * 9 8 6 30 30 H 1.09010 * 109.47130 * 299.99638 * 1 2 3 31 31 H 1.08998 * 109.47236 * 59.99824 * 1 2 3 32 32 H 1.08999 * 109.47315 * 180.02562 * 1 2 3 33 33 H 1.08996 * 109.47091 * 180.02562 * 3 2 1 34 34 H 1.09006 * 109.46954 * 300.00023 * 3 2 1 35 35 H 1.08995 * 109.47225 * 60.00355 * 3 2 1 36 36 H 1.08996 * 109.47784 * 299.99748 * 4 2 1 37 37 H 1.09006 * 109.47263 * 59.99978 * 4 2 1 38 38 H 1.09010 * 109.47494 * 179.97438 * 4 2 1 39 39 H 0.97002 * 119.99721 * 359.97438 * 8 6 5 40 40 H 1.08996 * 109.47227 * 300.00455 * 11 9 8 41 41 H 1.09007 * 109.47200 * 60.00135 * 11 9 8 42 42 H 1.09001 * 109.46819 * 179.97438 * 12 11 9 43 43 H 1.08996 * 109.46852 * 60.00557 * 12 11 9 44 44 H 0.96999 * 119.99984 * 264.99579 * 15 13 12 45 45 H 1.08002 * 120.05480 * 0.02562 * 19 18 16 46 46 H 1.08994 * 109.47763 * 14.99552 * 21 20 19 47 47 H 0.96697 * 113.99830 * 300.00830 * 22 21 20 48 48 H 1.48501 * 109.99920 * 180.02562 * 23 21 20 49 49 H 1.48502 * 109.99797 * 301.31069 * 23 21 20 50 50 H 1.08006 * 119.94075 * 180.02562 * 26 24 20 51 51 H 1.08005 * 120.06363 * 180.23426 * 27 26 24 52 52 H 1.08996 * 109.46825 * 59.99807 * 28 13 12 53 53 H 1.08993 * 109.47204 * 180.02562 * 28 13 12 54 54 H 1.09006 * 109.46787 * 60.00195 * 29 9 8 55 55 H 1.09003 * 109.47095 * 300.00297 * 29 9 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 1.5300 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 6 2.0399 -0.7213 -1.2492 5 8 2.0140 -0.6845 1.1855 6 6 1.6523 -1.9723 1.3383 7 8 0.9516 -2.5097 0.5036 8 7 2.0673 -2.6655 2.4171 9 6 1.6742 -4.0669 2.5831 10 1 0.6654 -4.2096 2.1957 11 6 2.6469 -4.9639 1.8149 12 6 2.2366 -6.4277 1.9888 13 6 2.2697 -6.7936 3.4739 14 1 3.2786 -6.6507 3.8610 15 7 1.8762 -8.1949 3.6404 16 6 2.7950 -9.1727 3.5115 17 8 3.9490 -8.8921 3.2523 18 6 2.3983 -10.5857 3.6800 19 6 3.3479 -11.6007 3.5465 20 6 2.9724 -12.9176 3.7052 21 6 3.9961 -14.0141 3.5609 22 8 3.8104 -14.6773 2.3087 23 14 3.7929 -15.2400 4.9489 24 6 1.6547 -13.2350 3.9963 25 9 1.2922 -14.5273 4.1514 26 6 0.7076 -12.2310 4.1299 27 6 1.0731 -10.9109 3.9782 28 6 1.2969 -5.8966 4.2421 29 6 1.7068 -4.4334 4.0681 30 1 -0.3634 0.5138 0.8901 31 1 -0.3633 0.5138 -0.8899 32 1 -0.3634 -1.0276 0.0005 33 1 3.1299 1.4425 -0.0005 34 1 1.6766 1.9563 -0.8900 35 1 1.6767 1.9563 0.8900 36 1 1.6766 -1.7489 -1.2493 37 1 1.6765 -0.2074 -2.1393 38 1 3.1300 -0.7209 -1.2496 39 1 2.6270 -2.2366 3.0832 40 1 2.6237 -4.7028 0.7569 41 1 3.6558 -4.8213 2.2022 42 1 2.9294 -7.0666 1.4411 43 1 1.2278 -6.5706 1.6017 44 1 0.9546 -8.4191 3.8434 45 1 4.3748 -11.3543 3.3202 46 1 4.9970 -13.5842 3.5994 47 1 2.9395 -15.0844 2.2047 48 1 4.7971 -16.3262 4.8184 49 1 3.9522 -14.5564 6.2576 50 1 -0.3176 -12.4838 4.3572 51 1 0.3355 -10.1294 4.0862 52 1 0.2881 -6.0396 3.8550 53 1 1.3209 -6.1571 5.3002 54 1 1.0138 -3.7943 4.6153 55 1 2.7157 -4.2907 4.4554 There are 74 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 74 No. of singly occupied orbitals= 1 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER s_22_12463208_12496548.mol2 55 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Mar 6 2021 17:22:47 Heat of formation + Delta-G solvation = -173.185549 kcal Electronic energy + Delta-G solvation = -37109.166705 eV Core-core repulsion = 32026.843498 eV Total energy + Delta-G solvation = -5082.323207 eV No. of doubly occupied orbitals = 74 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 395.199 amu Computer time = 1.29 seconds Orbital eigenvalues (eV) -50.35280 -41.93983 -41.52935 -40.22225 -39.37215 -38.01551 -37.68638 -36.14703 -35.17360 -34.07258 -32.83157 -31.97664 -31.88607 -29.42452 -28.38826 -28.32052 -27.00047 -25.35712 -24.09975 -23.83620 -23.48145 -22.42344 -21.55975 -21.37021 -20.78038 -19.36515 -19.04223 -18.61438 -18.07005 -17.86014 -17.79127 -17.19079 -17.07421 -16.98423 -16.70016 -16.27555 -16.18634 -15.77481 -15.57018 -15.50017 -15.32801 -15.10728 -15.05648 -14.92179 -14.53692 -14.46833 -14.24061 -14.16473 -13.95909 -13.74195 -13.41418 -13.36894 -13.30639 -13.16355 -12.94243 -12.93112 -12.88561 -12.78635 -12.64767 -12.49628 -12.37749 -12.29508 -12.18464 -11.99241 -11.55984 -11.54278 -11.40199 -11.23022 -11.09842 -10.70187 -10.30060 -10.17681 -10.11553 -9.84002 -4.93180 -0.52114 -0.00206 1.14007 1.14969 1.49200 1.60425 1.74500 1.84566 1.99644 2.54923 2.92750 3.11424 3.25566 3.50389 3.53248 3.58718 3.59707 3.63432 3.72490 3.77674 3.91832 3.92554 3.95962 4.05111 4.08870 4.12032 4.25523 4.30602 4.33868 4.41203 4.51326 4.59153 4.60455 4.62047 4.68853 4.72899 4.74352 4.74648 4.82772 4.85600 4.88417 4.92552 4.98544 5.03344 5.05903 5.08805 5.09111 5.10138 5.19880 5.24841 5.25174 5.29247 5.40019 5.44123 5.58754 5.60266 6.39123 6.43514 6.56280 7.10294 7.33550 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.179 4.179 2 C 0.128 3.872 3 C -0.138 4.138 4 C -0.180 4.180 5 O -0.371 6.371 6 C 0.643 3.357 7 O -0.592 6.592 8 N -0.698 5.698 9 C 0.165 3.835 10 H 0.084 0.916 11 C -0.123 4.123 12 C -0.119 4.119 13 C 0.145 3.855 14 H 0.074 0.926 15 N -0.704 5.704 16 C 0.559 3.441 17 O -0.579 6.579 18 C -0.156 4.156 19 C -0.033 4.033 20 C -0.166 4.166 21 C -0.075 4.075 22 O -0.550 6.550 23 Si 0.747 3.253 24 C 0.121 3.879 25 F -0.100 7.100 26 C -0.141 4.141 27 C -0.041 4.041 28 C -0.114 4.114 29 C -0.117 4.117 30 H 0.063 0.937 31 H 0.086 0.914 32 H 0.064 0.936 33 H 0.067 0.933 34 H 0.098 0.902 35 H 0.070 0.930 36 H 0.063 0.937 37 H 0.086 0.914 38 H 0.059 0.941 39 H 0.416 0.584 40 H 0.049 0.951 41 H 0.067 0.933 42 H 0.047 0.953 43 H 0.076 0.924 44 H 0.417 0.583 45 H 0.128 0.872 46 H 0.111 0.889 47 H 0.392 0.608 48 H -0.287 1.287 49 H -0.284 1.284 50 H 0.183 0.817 51 H 0.178 0.822 52 H 0.091 0.909 53 H 0.095 0.905 54 H 0.094 0.906 55 H 0.082 0.918 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -7.959 2.521 4.389 9.432 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 -0.236 4.236 2 C 0.091 3.909 3 C -0.195 4.195 4 C -0.238 4.238 5 O -0.286 6.286 6 C 0.397 3.603 7 O -0.483 6.483 8 N -0.357 5.357 9 C 0.062 3.938 10 H 0.102 0.898 11 C -0.163 4.163 12 C -0.159 4.159 13 C 0.041 3.959 14 H 0.092 0.908 15 N -0.356 5.356 16 C 0.347 3.653 17 O -0.460 6.460 18 C -0.159 4.159 19 C -0.053 4.053 20 C -0.168 4.168 21 C -0.185 4.185 22 O -0.358 6.358 23 Si 0.652 3.348 24 C 0.101 3.899 25 F -0.078 7.078 26 C -0.159 4.159 27 C -0.059 4.059 28 C -0.152 4.152 29 C -0.155 4.155 30 H 0.082 0.918 31 H 0.105 0.895 32 H 0.083 0.917 33 H 0.087 0.913 34 H 0.116 0.884 35 H 0.089 0.911 36 H 0.082 0.918 37 H 0.105 0.895 38 H 0.078 0.922 39 H 0.253 0.747 40 H 0.068 0.932 41 H 0.086 0.914 42 H 0.066 0.934 43 H 0.095 0.905 44 H 0.256 0.744 45 H 0.146 0.854 46 H 0.128 0.872 47 H 0.242 0.758 48 H -0.214 1.214 49 H -0.211 1.211 50 H 0.200 0.800 51 H 0.195 0.805 52 H 0.109 0.891 53 H 0.114 0.886 54 H 0.112 0.888 55 H 0.100 0.900 Dipole moment (debyes) X Y Z Total from point charges -6.557 2.338 4.354 8.210 hybrid contribution 0.768 0.260 -0.343 0.881 sum -5.788 2.597 4.010 7.506 Atomic orbital electron populations 1.22465 0.93858 1.03759 1.03531 1.22333 0.94578 0.92508 0.81450 1.21892 1.02375 0.90963 1.04281 1.22476 1.01496 1.02288 0.97498 1.86311 1.71557 1.23459 1.47224 1.18380 0.78687 0.80682 0.82584 1.90902 1.42330 1.71015 1.44055 1.44842 1.55263 1.12455 1.23160 1.21060 0.98679 0.76909 0.97160 0.89822 1.21834 0.99782 0.94397 1.00247 1.21783 1.02261 0.95204 0.96614 1.21057 1.00085 0.79705 0.95049 0.90786 1.45811 1.12733 1.05763 1.71312 1.18396 0.84981 0.85905 0.76017 1.90797 1.20859 1.84431 1.49878 1.20010 0.95782 0.92487 1.07670 1.20995 1.00139 0.90553 0.93574 1.20273 0.94604 0.96112 1.05782 1.25074 0.99296 0.97647 0.96443 1.86524 1.40570 1.73392 1.35274 0.93886 0.88706 0.78829 0.73417 1.17897 0.92636 0.79328 1.00020 1.91192 1.90231 1.33998 1.92406 1.21483 1.01277 0.91146 1.02015 1.21580 0.94050 0.97356 0.92944 1.21712 0.99275 0.92556 1.01658 1.21728 1.04218 0.96718 0.92847 0.91816 0.89548 0.91675 0.91348 0.88350 0.91059 0.91781 0.89494 0.92201 0.74701 0.93218 0.91406 0.93440 0.90486 0.74364 0.85417 0.87156 0.75790 1.21440 1.21089 0.79961 0.80488 0.89092 0.88635 0.88795 0.89968 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 -0.18 -0.50 8.37 71.98 0.60 0.10 16 2 C 0.13 0.38 1.13 -10.80 -0.01 0.37 16 3 C -0.14 0.26 8.85 71.98 0.64 0.90 16 4 C -0.18 -0.68 8.37 71.98 0.60 -0.08 16 5 O -0.37 -2.01 9.94 -55.47 -0.55 -2.56 16 6 C 0.64 4.02 8.02 129.79 1.04 5.06 16 7 O -0.59 -6.72 11.54 19.81 0.23 -6.49 16 8 N -0.70 0.26 5.08 -570.14 -2.90 -2.63 16 9 C 0.17 -0.40 2.46 44.99 0.11 -0.29 16 10 H 0.08 0.02 7.58 -2.39 -0.02 0.00 16 11 C -0.12 -0.08 5.50 30.60 0.17 0.09 16 12 C -0.12 0.03 5.49 30.59 0.17 0.19 16 13 C 0.15 -0.51 2.45 44.99 0.11 -0.40 16 14 H 0.07 0.08 7.58 -2.38 -0.02 0.07 16 15 N -0.70 3.20 5.03 -445.53 -2.24 0.96 16 16 C 0.56 1.79 7.73 86.75 0.67 2.46 16 17 O -0.58 -7.43 16.01 -3.91 -0.06 -7.49 16 18 C -0.16 0.01 5.87 -20.09 -0.12 -0.10 16 19 C -0.03 -0.12 9.21 22.52 0.21 0.09 16 20 C -0.17 -0.17 4.78 -19.86 -0.09 -0.27 16 21 C -0.07 -0.18 2.81 71.24 0.20 0.02 16 22 O -0.55 -1.82 12.88 -148.98 -1.92 -3.74 16 23 Si 0.75 1.19 29.57 68.60 2.03 3.22 16 24 C 0.12 -0.42 6.63 22.47 0.15 -0.27 16 25 F -0.10 0.53 13.46 44.97 0.61 1.13 16 26 C -0.14 1.15 10.01 22.27 0.22 1.37 16 27 C -0.04 0.33 9.54 22.52 0.21 0.54 16 28 C -0.11 1.10 5.39 30.58 0.16 1.27 16 29 C -0.12 0.98 5.39 30.58 0.16 1.15 16 30 H 0.06 0.12 8.14 -2.38 -0.02 0.10 16 31 H 0.09 -0.04 8.14 -2.39 -0.02 -0.06 16 32 H 0.06 0.51 5.88 -2.39 -0.01 0.50 16 33 H 0.07 -0.12 8.14 -2.39 -0.02 -0.14 16 34 H 0.10 -0.51 8.14 -2.38 -0.02 -0.53 16 35 H 0.07 -0.17 8.14 -2.39 -0.02 -0.19 16 36 H 0.06 0.58 5.88 -2.39 -0.01 0.56 16 37 H 0.09 0.02 8.14 -2.38 -0.02 0.00 16 38 H 0.06 0.21 8.14 -2.38 -0.02 0.19 16 39 H 0.42 -2.00 8.71 -92.71 -0.81 -2.80 16 40 H 0.05 0.29 8.14 -2.39 -0.02 0.27 16 41 H 0.07 0.06 8.14 -2.38 -0.02 0.04 16 42 H 0.05 0.26 8.14 -2.39 -0.02 0.24 16 43 H 0.08 -0.14 8.14 -2.39 -0.02 -0.16 16 44 H 0.42 -5.04 6.63 -92.71 -0.61 -5.65 16 45 H 0.13 0.84 7.58 -2.91 -0.02 0.82 16 46 H 0.11 0.41 7.77 -2.39 -0.02 0.39 16 47 H 0.39 -1.78 8.41 -74.06 -0.62 -2.41 16 48 H -0.29 -2.32 7.11 99.48 0.71 -1.61 16 49 H -0.28 -1.88 7.11 99.48 0.71 -1.17 16 50 H 0.18 -2.63 8.06 -2.91 -0.02 -2.66 16 51 H 0.18 -2.88 6.40 -2.91 -0.02 -2.90 16 52 H 0.09 -1.10 8.14 -2.39 -0.02 -1.12 16 53 H 0.10 -1.12 8.14 -2.39 -0.02 -1.14 16 54 H 0.09 -0.96 8.14 -2.38 -0.02 -0.98 16 55 H 0.08 -0.74 8.14 -2.39 -0.02 -0.75 16 Total: 0.00 -25.81 438.31 -0.67 -26.48 By element: Atomic # 1 Polarization: -20.01 SS G_CDS: -1.07 Total: -21.07 kcal Atomic # 6 Polarization: 6.99 SS G_CDS: 5.21 Total: 12.20 kcal Atomic # 7 Polarization: 3.47 SS G_CDS: -5.14 Total: -1.67 kcal Atomic # 8 Polarization: -17.98 SS G_CDS: -2.30 Total: -20.29 kcal Atomic # 9 Polarization: 0.53 SS G_CDS: 0.61 Total: 1.13 kcal Atomic # 14 Polarization: 1.19 SS G_CDS: 2.03 Total: 3.22 kcal Total: -25.81 -0.67 -26.48 kcal The number of atoms in the molecule is 55 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. s_22_12463208_12496548.mol2 55 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 -146.706 kcal (2) G-P(sol) polarization free energy of solvation -25.813 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -172.519 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -0.667 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -26.480 kcal (6) G-S(sol) free energy of system = (1) + (5) -173.186 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.29 seconds