Wall clock time and date at job start Wed Apr 1 2020 02:02:47 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= -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 1.52998 * 1 3 3 C 1.53001 * 109.47187 * 2 1 4 4 C 1.53007 * 109.47211 * 240.00333 * 2 1 3 5 5 N 1.46500 * 109.46954 * 59.99987 * 4 2 1 6 6 C 1.36934 * 119.99803 * 180.02562 * 5 4 2 7 7 H 1.08006 * 119.99834 * 0.02562 * 6 5 4 8 8 C 1.38814 * 119.99965 * 180.02562 * 6 5 4 9 9 N 1.31615 * 119.99807 * 359.97438 * 8 6 5 10 10 Si 1.86803 * 119.99986 * 180.02562 * 8 6 5 11 11 H 1.48501 * 109.47119 * 359.97438 * 10 8 6 12 12 H 1.48500 * 109.47335 * 119.99872 * 10 8 6 13 13 H 1.48502 * 109.46917 * 239.99831 * 10 8 6 14 14 C 1.53005 * 109.47199 * 120.00149 * 2 1 3 15 15 C 1.53042 * 109.45753 * 300.00054 * 14 2 1 16 16 C 1.53192 * 109.30637 * 181.37105 * 15 14 2 17 17 N 1.46929 * 108.77644 * 305.36122 * 16 15 14 18 18 C 1.34775 * 120.63066 * 233.58528 * 17 16 15 19 19 O 1.21280 * 119.99908 * 0.02562 * 18 17 16 20 20 C 1.50701 * 119.99687 * 180.02562 * 18 17 16 21 21 F 1.39901 * 110.56296 * 312.67980 * 20 18 17 22 22 C 1.54507 * 110.50850 * 190.00505 * 20 18 17 23 23 C 1.54483 * 104.06211 * 241.35520 * 22 20 18 24 24 O 1.44428 * 104.89902 * 335.96812 * 23 22 20 25 25 C 1.44688 * 105.13885 * 40.49479 * 24 23 22 26 26 C 1.46925 * 118.73387 * 53.86451 * 17 16 15 27 27 C 1.53035 * 109.44556 * 60.06068 * 14 2 1 28 28 H 1.08998 * 109.47264 * 300.00023 * 1 2 3 29 29 H 1.09003 * 109.47112 * 59.99732 * 1 2 3 30 30 H 1.09001 * 109.47065 * 179.97438 * 1 2 3 31 31 H 1.09002 * 109.47013 * 179.97438 * 3 2 1 32 32 H 1.08998 * 109.47739 * 300.00193 * 3 2 1 33 33 H 1.09009 * 109.46757 * 60.00275 * 3 2 1 34 34 H 1.08995 * 109.46681 * 180.02562 * 4 2 1 35 35 H 1.08992 * 109.46551 * 300.00008 * 4 2 1 36 36 H 0.97003 * 120.00015 * 0.02562 * 5 4 2 37 37 H 0.97001 * 119.99700 * 180.02562 * 9 8 6 38 38 H 1.09002 * 109.45801 * 180.02562 * 14 2 1 39 39 H 1.08999 * 109.49531 * 61.41831 * 15 14 2 40 40 H 1.08991 * 109.49648 * 301.31970 * 15 14 2 41 41 H 1.09006 * 109.58093 * 185.58239 * 16 15 14 42 42 H 1.08998 * 109.70696 * 65.22666 * 16 15 14 43 43 H 1.09005 * 110.51421 * 122.71091 * 22 20 18 44 44 H 1.09001 * 110.51335 * 0.02562 * 22 20 18 45 45 H 1.09002 * 110.37322 * 94.85326 * 23 22 20 46 46 H 1.08999 * 110.37312 * 217.08002 * 23 22 20 47 47 H 1.08996 * 110.35300 * 200.67684 * 25 24 23 48 48 H 1.08999 * 110.35366 * 78.36394 * 25 24 23 49 49 H 1.09004 * 109.58523 * 65.92770 * 26 17 16 50 50 H 1.09000 * 109.58394 * 186.34994 * 26 17 16 51 51 H 1.09000 * 109.50453 * 298.57464 * 27 14 2 52 52 H 1.09007 * 109.50304 * 58.67198 * 27 14 2 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 2.0400 -0.7212 -1.2493 5 7 1.5517 -0.0305 -2.4454 6 6 1.8821 -0.4986 -3.6892 7 1 2.5024 -1.3772 -3.7883 8 6 1.4198 0.1562 -4.8225 9 7 0.6635 1.2265 -4.7017 10 14 1.8699 -0.4828 -6.5192 11 1 2.7229 -1.6907 -6.3830 12 1 0.6319 -0.8315 -7.2614 13 1 2.6134 0.5664 -7.2620 14 6 2.0400 -0.7213 1.2493 15 6 1.5297 0.0003 2.4987 16 6 2.0703 -0.7043 3.7469 17 7 1.7080 -2.1267 3.6813 18 6 1.0552 -2.7168 4.7021 19 8 0.7609 -2.0728 5.6867 20 6 0.6910 -4.1768 4.6199 21 9 0.1025 -4.4677 3.3845 22 6 -0.2580 -4.5639 5.7762 23 6 0.5283 -5.6346 6.5647 24 8 1.4580 -6.1910 5.6097 25 6 1.9384 -5.0594 4.8467 26 6 2.0763 -2.8949 2.4843 27 6 1.5308 -2.1645 1.2479 28 1 -0.3634 0.5138 0.8900 29 1 -0.3633 0.5139 -0.8900 30 1 -0.3633 -1.0277 -0.0005 31 1 3.1300 1.4425 0.0005 32 1 1.6767 1.9564 -0.8899 33 1 1.6767 1.9563 0.8901 34 1 3.1300 -0.7216 -1.2490 35 1 1.6767 -1.7488 -1.2493 36 1 0.9943 0.7584 -2.3564 37 1 0.3402 1.6838 -5.4937 38 1 3.1300 -0.7208 1.2493 39 1 0.4400 -0.0214 2.5117 40 1 1.8733 1.0346 2.4872 41 1 1.6313 -0.2562 4.6383 42 1 3.1551 -0.6048 3.7843 43 1 -1.1857 -4.9820 5.3852 44 1 -0.4641 -3.6991 6.4069 45 1 1.0659 -5.1761 7.3947 46 1 -0.1468 -6.4076 6.9317 47 1 2.3467 -5.3916 3.8922 48 1 2.6922 -4.5127 5.4132 49 1 3.1617 -2.9704 2.4183 50 1 1.6414 -3.8927 2.5424 51 1 0.4411 -2.1659 1.2728 52 1 1.8752 -2.6710 0.3462 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 ZINC001101567099.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 02:02:47 Heat of formation + Delta-G solvation = -115.768267 kcal Electronic energy + Delta-G solvation = -32091.623612 eV Core-core repulsion = 27812.869481 eV Total energy + Delta-G solvation = -4278.754131 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 342.211 amu Computer time = 0.84 seconds Orbital eigenvalues (eV) -48.52783 -40.75396 -39.53224 -38.55423 -36.35284 -33.82627 -32.42645 -31.63467 -31.30378 -30.10172 -29.40967 -26.90345 -26.02341 -25.57543 -23.97513 -23.59403 -22.65290 -22.35698 -20.85166 -19.61345 -18.42333 -17.87809 -17.39624 -17.14122 -16.61708 -16.34799 -15.87535 -15.42217 -15.23069 -14.78581 -14.68405 -14.55874 -14.36169 -14.16503 -13.95021 -13.78911 -13.50297 -13.21347 -13.00254 -12.82952 -12.65930 -12.57769 -12.38126 -12.20000 -11.89601 -11.80842 -11.68476 -11.54561 -11.41155 -11.12791 -10.96809 -10.88330 -10.79896 -10.69429 -10.38478 -10.25476 -10.14877 -10.11568 -9.93862 -9.66468 -9.53744 -8.95261 -8.83871 -6.86962 -5.74963 -3.02105 1.95794 2.44530 3.26835 3.43722 3.46714 3.49431 3.51559 3.80415 3.96871 4.11106 4.53843 4.57892 4.59230 4.62978 4.74602 4.77288 4.93721 4.97579 5.04893 5.11767 5.18426 5.23314 5.30974 5.34920 5.43821 5.45554 5.48629 5.56847 5.60434 5.63448 5.75454 5.87148 5.92192 6.01026 6.07065 6.07568 6.11510 6.17436 6.30216 6.34805 6.38620 6.40043 6.59886 6.73085 6.77163 6.94567 6.96735 6.99373 7.58914 7.72013 8.44917 9.56016 10.15965 10.50170 11.48252 Molecular weight = 342.21amu Principal moments of inertia in cm(-1) A = 0.019617 B = 0.002466 C = 0.002299 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1426.970298 B =11349.711378 C =12174.332473 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.138 4.138 2 C -0.064 4.064 3 C -0.137 4.137 4 C 0.163 3.837 5 N -0.729 5.729 6 C -0.235 4.235 7 H 0.069 0.931 8 C -0.016 4.016 9 N -0.934 5.934 10 Si 0.905 3.095 11 H -0.281 1.281 12 H -0.292 1.292 13 H -0.292 1.292 14 C -0.072 4.072 15 C -0.132 4.132 16 C 0.109 3.891 17 N -0.592 5.592 18 C 0.508 3.492 19 O -0.527 6.527 20 C 0.071 3.929 21 F -0.175 7.175 22 C -0.170 4.170 23 C 0.045 3.955 24 O -0.361 6.361 25 C 0.035 3.965 26 C 0.082 3.918 27 C -0.131 4.131 28 H 0.044 0.956 29 H 0.065 0.935 30 H 0.051 0.949 31 H 0.049 0.951 32 H 0.066 0.934 33 H 0.045 0.955 34 H 0.015 0.985 35 H 0.020 0.980 36 H 0.384 0.616 37 H 0.254 0.746 38 H 0.070 0.930 39 H 0.071 0.929 40 H 0.081 0.919 41 H 0.091 0.909 42 H 0.071 0.929 43 H 0.098 0.902 44 H 0.115 0.885 45 H 0.070 0.930 46 H 0.103 0.897 47 H 0.115 0.885 48 H 0.083 0.917 49 H 0.073 0.927 50 H 0.100 0.900 51 H 0.073 0.927 52 H 0.086 0.914 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.899 -9.903 24.192 26.209 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 -0.195 4.195 2 C -0.065 4.065 3 C -0.195 4.195 4 C 0.035 3.965 5 N -0.374 5.374 6 C -0.366 4.366 7 H 0.087 0.913 8 C -0.211 4.211 9 N -0.583 5.583 10 Si 0.736 3.264 11 H -0.206 1.206 12 H -0.219 1.219 13 H -0.220 1.220 14 C -0.092 4.092 15 C -0.170 4.170 16 C -0.012 4.012 17 N -0.324 5.324 18 C 0.293 3.707 19 O -0.403 6.403 20 C 0.049 3.951 21 F -0.155 7.155 22 C -0.208 4.208 23 C -0.031 4.031 24 O -0.279 6.279 25 C -0.043 4.043 26 C -0.040 4.040 27 C -0.169 4.169 28 H 0.063 0.937 29 H 0.084 0.916 30 H 0.070 0.930 31 H 0.068 0.932 32 H 0.085 0.915 33 H 0.064 0.936 34 H 0.033 0.967 35 H 0.038 0.962 36 H 0.219 0.781 37 H 0.064 0.936 38 H 0.089 0.911 39 H 0.090 0.910 40 H 0.099 0.901 41 H 0.109 0.891 42 H 0.089 0.911 43 H 0.117 0.883 44 H 0.133 0.867 45 H 0.088 0.912 46 H 0.121 0.879 47 H 0.133 0.867 48 H 0.101 0.899 49 H 0.091 0.909 50 H 0.118 0.882 51 H 0.092 0.908 52 H 0.105 0.895 Dipole moment (debyes) X Y Z Total from point charges 1.872 -9.885 24.512 26.496 hybrid contribution -0.055 0.189 -1.292 1.307 sum 1.817 -9.696 23.220 25.229 Atomic orbital electron populations 1.21890 0.94720 1.01530 1.01402 1.20685 0.95862 0.95640 0.94290 1.21850 1.00503 0.95567 1.01541 1.20726 0.95714 0.94328 0.85729 1.42438 1.61320 1.33363 1.00320 1.19274 1.25286 1.08381 0.83697 0.91301 1.24716 1.00676 0.98018 0.97734 1.69663 1.39581 1.20960 1.28137 0.86142 0.77495 0.77841 0.84882 1.20624 1.21946 1.21966 1.21114 0.99968 0.94029 0.94043 1.22094 1.01786 0.99688 0.93385 1.21769 1.00064 0.79365 1.00027 1.48147 1.55522 1.11410 1.17322 1.20326 0.78526 0.88364 0.83512 1.90702 1.54190 1.64039 1.31415 1.22499 0.95999 0.93824 0.82768 1.92873 1.85034 1.94293 1.43307 1.23566 0.99127 1.01851 0.96268 1.23502 0.91456 0.96167 0.92007 1.89268 1.60884 1.28443 1.49351 1.24055 0.93713 0.87580 0.98905 1.22459 1.00584 0.96607 0.84321 1.22147 1.01910 0.95923 0.96933 0.93694 0.91628 0.92962 0.93197 0.91499 0.93561 0.96728 0.96232 0.78057 0.93645 0.91115 0.91037 0.90061 0.89106 0.91109 0.88349 0.86702 0.91223 0.87887 0.86657 0.89919 0.90922 0.88197 0.90805 0.89538 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 C -0.14 -2.17 7.60 37.16 0.28 -1.88 16 2 C -0.06 -0.97 0.33 -154.50 -0.05 -1.02 16 3 C -0.14 -2.10 7.95 37.16 0.30 -1.80 16 4 C 0.16 3.13 4.80 -4.04 -0.02 3.11 16 5 N -0.73 -17.99 5.00 -59.91 -0.30 -18.29 16 6 C -0.23 -6.52 9.99 -15.06 -0.15 -6.67 16 7 H 0.07 1.87 7.83 -52.48 -0.41 1.45 16 8 C -0.02 -0.45 5.50 -17.43 -0.10 -0.55 16 9 N -0.93 -28.14 13.06 55.49 0.72 -27.42 16 10 Si 0.90 22.42 29.55 -169.99 -5.02 17.39 16 11 H -0.28 -6.74 7.11 56.52 0.40 -6.33 16 12 H -0.29 -7.29 7.11 56.52 0.40 -6.89 16 13 H -0.29 -7.29 7.11 56.52 0.40 -6.89 16 14 C -0.07 -0.86 1.51 -90.58 -0.14 -0.99 16 15 C -0.13 -1.39 4.65 -26.61 -0.12 -1.51 16 16 C 0.11 1.08 6.43 -3.71 -0.02 1.05 16 17 N -0.59 -6.03 2.97 -172.50 -0.51 -6.55 16 18 C 0.51 5.63 6.70 -10.99 -0.07 5.55 16 19 O -0.53 -7.06 14.75 5.56 0.08 -6.98 16 20 C 0.07 0.67 1.17 -90.21 -0.11 0.57 16 21 F -0.17 -1.87 14.25 2.25 0.03 -1.84 16 22 C -0.17 -1.39 6.51 -25.16 -0.16 -1.55 16 23 C 0.05 0.32 7.62 37.94 0.29 0.61 16 24 O -0.36 -3.33 11.67 -35.23 -0.41 -3.74 16 25 C 0.04 0.28 6.40 37.93 0.24 0.53 16 26 C 0.08 0.76 5.83 -3.49 -0.02 0.74 16 27 C -0.13 -1.48 4.66 -26.39 -0.12 -1.61 16 28 H 0.04 0.62 6.46 -51.93 -0.34 0.28 16 29 H 0.06 1.22 6.86 -51.93 -0.36 0.86 16 30 H 0.05 0.81 6.46 -51.93 -0.34 0.48 16 31 H 0.05 0.74 8.14 -51.93 -0.42 0.32 16 32 H 0.07 1.22 6.86 -51.93 -0.36 0.87 16 33 H 0.05 0.60 6.40 -51.92 -0.33 0.27 16 34 H 0.01 0.29 8.14 -51.93 -0.42 -0.13 16 35 H 0.02 0.39 6.40 -51.93 -0.33 0.05 16 36 H 0.38 9.96 5.36 -40.82 -0.22 9.74 16 37 H 0.25 7.40 8.31 -40.82 -0.34 7.06 16 38 H 0.07 0.82 8.14 -51.93 -0.42 0.39 16 39 H 0.07 0.84 6.51 -51.93 -0.34 0.50 16 40 H 0.08 0.81 6.36 -51.93 -0.33 0.48 16 41 H 0.09 0.96 7.01 -51.93 -0.36 0.60 16 42 H 0.07 0.61 8.14 -51.93 -0.42 0.18 16 43 H 0.10 0.74 8.06 -51.93 -0.42 0.32 16 44 H 0.11 1.01 6.56 -51.93 -0.34 0.67 16 45 H 0.07 0.43 8.14 -51.93 -0.42 0.00 16 46 H 0.10 0.53 8.14 -51.93 -0.42 0.11 16 47 H 0.12 0.78 7.48 -51.93 -0.39 0.39 16 48 H 0.08 0.59 7.86 -51.93 -0.41 0.18 16 49 H 0.07 0.57 8.14 -51.93 -0.42 0.15 16 50 H 0.10 0.88 3.87 -51.93 -0.20 0.68 16 51 H 0.07 0.92 6.51 -51.93 -0.34 0.59 16 52 H 0.09 1.03 6.36 -51.93 -0.33 0.70 16 LS Contribution 384.72 15.07 5.80 5.80 Total: -1.00 -32.17 384.72 -7.82 -39.99 By element: Atomic # 1 Polarization: 15.30 SS G_CDS: -8.23 Total: 7.07 kcal Atomic # 6 Polarization: -5.46 SS G_CDS: 0.02 Total: -5.44 kcal Atomic # 7 Polarization: -52.17 SS G_CDS: -0.09 Total: -52.25 kcal Atomic # 8 Polarization: -10.39 SS G_CDS: -0.33 Total: -10.72 kcal Atomic # 9 Polarization: -1.87 SS G_CDS: 0.03 Total: -1.84 kcal Atomic # 14 Polarization: 22.42 SS G_CDS: -5.02 Total: 17.39 kcal Total LS contribution 5.80 Total: 5.80 kcal Total: -32.17 -7.82 -39.99 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. ZINC001101567099.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 -75.779 kcal (2) G-P(sol) polarization free energy of solvation -32.174 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -107.952 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.816 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -39.990 kcal (6) G-S(sol) free energy of system = (1) + (5) -115.768 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.84 seconds