Wall clock time and date at job start Tue Mar 31 2020 20:01:35 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 1.53001 * 1 3 3 C 1.52998 * 109.47032 * 2 1 4 4 H 1.08993 * 109.47630 * 305.00012 * 3 2 1 5 5 C 1.53009 * 109.46977 * 65.00536 * 3 2 1 6 6 C 1.52999 * 109.46971 * 185.00010 * 3 2 1 7 7 N 1.46902 * 109.47248 * 175.00362 * 6 3 2 8 8 C 1.46856 * 110.99832 * 294.14644 * 7 6 3 9 9 C 1.53044 * 109.62364 * 173.77606 * 8 7 6 10 10 C 1.53221 * 109.20707 * 59.62852 * 9 8 7 11 11 C 1.52538 * 109.19757 * 303.22362 * 10 9 8 12 12 C 1.53730 * 110.09320 * 178.82282 * 11 10 9 13 13 C 1.51449 * 103.35977 * 118.95869 * 12 11 10 14 14 O 1.21233 * 125.41431 * 179.86257 * 13 12 11 15 15 N 1.33967 * 109.17875 * 359.59440 * 13 12 11 16 16 C 1.46493 * 122.78467 * 180.28448 * 15 13 12 17 17 C 1.53003 * 109.47207 * 89.98198 * 16 15 13 18 18 C 1.50691 * 109.47333 * 179.97438 * 17 16 15 19 19 H 1.07999 * 120.00173 * 359.97438 * 18 17 16 20 20 C 1.37884 * 120.00204 * 179.97438 * 18 17 16 21 21 N 1.31511 * 119.99672 * 359.97438 * 20 18 17 22 22 Si 1.86799 * 120.00125 * 180.02562 * 20 18 17 23 23 H 1.48503 * 109.47066 * 359.97438 * 22 20 18 24 24 H 1.48497 * 109.47411 * 119.99973 * 22 20 18 25 25 H 1.48503 * 109.46835 * 239.99535 * 22 20 18 26 26 C 1.34057 * 114.42675 * 0.26803 * 15 13 12 27 27 O 1.21223 * 125.50479 * 180.02562 * 26 15 13 28 28 C 1.46953 * 111.00103 * 170.00021 * 7 6 3 29 29 H 1.09002 * 109.47061 * 300.00082 * 1 2 3 30 30 H 1.09005 * 109.47245 * 59.99188 * 1 2 3 31 31 H 1.08998 * 109.47125 * 179.97438 * 1 2 3 32 32 H 1.09002 * 109.47057 * 240.00475 * 2 1 3 33 33 H 1.09000 * 109.47092 * 120.00104 * 2 1 3 34 34 H 1.09000 * 109.46528 * 299.99657 * 5 3 2 35 35 H 1.08998 * 109.47378 * 59.99784 * 5 3 2 36 36 H 1.08998 * 109.47160 * 179.97438 * 5 3 2 37 37 H 1.08998 * 109.47097 * 55.00118 * 6 3 2 38 38 H 1.08997 * 109.47339 * 295.00267 * 6 3 2 39 39 H 1.09004 * 109.44678 * 293.81975 * 8 7 6 40 40 H 1.08999 * 109.44869 * 53.75906 * 8 7 6 41 41 H 1.09000 * 109.51438 * 179.54341 * 9 8 7 42 42 H 1.09002 * 109.51326 * 299.70582 * 9 8 7 43 43 H 1.09001 * 109.51340 * 183.31253 * 10 9 8 44 44 H 1.08996 * 109.52134 * 63.13877 * 10 9 8 45 45 H 1.09000 * 110.76115 * 0.43731 * 12 11 10 46 46 H 1.09002 * 110.52443 * 237.36607 * 12 11 10 47 47 H 1.09003 * 109.47224 * 209.97262 * 16 15 13 48 48 H 1.08991 * 109.47872 * 329.97639 * 16 15 13 49 49 H 1.09008 * 109.46705 * 299.99808 * 17 16 15 50 50 H 1.09005 * 109.47374 * 59.98946 * 17 16 15 51 51 H 0.97001 * 119.99769 * 179.97438 * 21 20 18 52 52 H 1.08999 * 109.45252 * 64.80787 * 28 7 6 53 53 H 1.08996 * 109.43558 * 304.86327 * 28 7 6 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 1 1.6054 1.9816 -0.8417 5 6 1.6353 2.1265 1.3075 6 6 3.5648 1.4443 -0.1257 7 7 4.0446 2.8275 -0.2460 8 6 3.5858 3.4364 -1.5013 9 6 3.9694 4.9178 -1.5242 10 6 5.4920 5.0461 -1.4104 11 6 5.9607 4.3449 -0.1394 12 6 7.4907 4.4358 -0.0196 13 6 7.6958 5.1974 1.2733 14 8 8.7699 5.4907 1.7530 15 7 6.5018 5.5006 1.7997 16 6 6.3533 6.2441 3.0531 17 6 6.2920 7.7431 2.7527 18 6 6.1386 8.5079 4.0420 19 1 6.0892 7.9780 4.9817 20 6 6.0612 9.8845 4.0221 21 7 6.1219 10.5299 2.8778 22 14 5.8717 10.8326 5.6204 23 1 5.8295 9.8801 6.7589 24 1 7.0233 11.7549 5.7884 25 1 4.6109 11.6165 5.5843 26 6 5.4543 5.0674 1.0840 27 8 4.2884 5.2304 1.3731 28 6 5.5083 2.8892 -0.1308 29 1 -0.3633 0.5139 0.8900 30 1 -0.3634 0.5140 -0.8899 31 1 -0.3633 -1.0276 -0.0005 32 1 1.8933 -0.5138 -0.8900 33 1 1.8933 -0.5138 0.8900 34 1 0.5490 2.1252 1.3970 35 1 2.0699 1.5874 2.1493 36 1 1.9990 3.1540 1.3077 37 1 3.8570 0.8800 -1.0113 38 1 4.0029 0.9835 0.7596 39 1 4.0539 2.9273 -2.3438 40 1 2.5026 3.3413 -1.5761 41 1 3.6353 5.3659 -2.4600 42 1 3.4971 5.4292 -0.6855 43 1 5.7663 6.1001 -1.3670 44 1 5.9624 4.5818 -2.2770 45 1 7.9120 4.9863 -0.8608 46 1 7.9286 3.4399 0.0474 47 1 5.4343 5.9358 3.5517 48 1 7.2050 6.0379 3.7011 49 1 7.2110 8.0515 2.2540 50 1 5.4402 7.9494 2.1046 51 1 6.0671 11.4983 2.8637 52 1 5.9611 2.3634 -0.9714 53 1 5.8188 2.4181 0.8018 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001272418803.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 20:01:35 Heat of formation + Delta-G solvation = -84.474190 kcal Electronic energy + Delta-G solvation = -31063.117552 eV Core-core repulsion = 27126.948269 eV Total energy + Delta-G solvation = -3936.169283 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.87 seconds Orbital eigenvalues (eV) -41.93234 -39.21497 -37.94889 -36.64743 -35.39213 -34.27262 -33.05502 -32.16906 -30.12975 -29.68893 -27.62332 -26.76092 -25.21217 -24.53619 -23.93284 -22.60095 -21.79090 -21.56582 -20.26215 -19.76783 -18.34911 -16.94425 -16.35218 -16.19013 -15.95837 -15.75663 -15.49136 -14.92947 -14.80541 -14.62160 -14.41486 -14.07167 -13.92528 -13.72888 -13.61264 -13.37999 -13.16444 -12.89203 -12.59685 -12.49360 -12.40607 -12.29407 -12.10776 -12.04692 -11.77639 -11.52811 -11.48803 -11.11237 -11.05235 -10.96225 -10.80488 -10.74325 -10.71234 -10.48471 -10.39951 -10.11608 -10.05576 -9.88067 -9.40024 -9.18318 -8.79510 -8.37742 -8.34441 -6.02437 -4.05623 1.94729 3.02821 3.18523 3.32339 3.39343 3.44011 3.59003 4.19727 4.34899 4.43362 4.46496 4.48552 4.62376 4.70620 4.83896 4.93274 4.95851 5.05142 5.10710 5.21656 5.28973 5.30014 5.34353 5.36195 5.41795 5.46271 5.52777 5.54506 5.57930 5.63551 5.64961 5.74908 5.80057 5.86401 5.88936 5.93898 6.00105 6.06095 6.07608 6.09609 6.25180 6.36634 6.40336 6.53363 6.71503 6.92370 6.99102 7.32605 7.60209 7.74271 7.80913 7.94371 8.25331 8.37805 8.99666 9.58291 11.09363 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.013205 B = 0.003048 C = 0.002736 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2119.875116 B = 9184.627102 C =10233.041013 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C -0.119 4.119 3 C -0.088 4.088 4 H 0.070 0.930 5 C -0.141 4.141 6 C 0.063 3.937 7 N -0.525 5.525 8 C 0.059 3.941 9 C -0.127 4.127 10 C -0.100 4.100 11 C -0.094 4.094 12 C -0.152 4.152 13 C 0.524 3.476 14 O -0.486 6.486 15 N -0.569 5.569 16 C 0.103 3.897 17 C 0.015 3.985 18 C -0.520 4.520 19 H 0.059 0.941 20 C 0.059 3.941 21 N -0.892 5.892 22 Si 0.896 3.104 23 H -0.271 1.271 24 H -0.283 1.283 25 H -0.283 1.283 26 C 0.539 3.461 27 O -0.449 6.449 28 C 0.081 3.919 29 H 0.058 0.942 30 H 0.052 0.948 31 H 0.050 0.950 32 H 0.057 0.943 33 H 0.061 0.939 34 H 0.047 0.953 35 H 0.047 0.953 36 H 0.075 0.925 37 H 0.030 0.970 38 H 0.073 0.927 39 H 0.029 0.971 40 H 0.078 0.922 41 H 0.069 0.931 42 H 0.092 0.908 43 H 0.074 0.926 44 H 0.074 0.926 45 H 0.118 0.882 46 H 0.114 0.886 47 H 0.080 0.920 48 H 0.079 0.921 49 H 0.020 0.980 50 H 0.021 0.979 51 H 0.261 0.739 52 H 0.048 0.952 53 H 0.078 0.922 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -5.666 -21.784 -12.652 25.821 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 -0.210 4.210 2 C -0.157 4.157 3 C -0.106 4.106 4 H 0.089 0.911 5 C -0.199 4.199 6 C -0.065 4.065 7 N -0.249 5.249 8 C -0.068 4.068 9 C -0.164 4.164 10 C -0.138 4.138 11 C -0.098 4.098 12 C -0.192 4.192 13 C 0.312 3.688 14 O -0.358 6.358 15 N -0.312 5.312 16 C -0.017 4.017 17 C -0.023 4.023 18 C -0.559 4.559 19 H 0.077 0.923 20 C -0.143 4.143 21 N -0.531 5.531 22 Si 0.724 3.276 23 H -0.196 1.196 24 H -0.209 1.209 25 H -0.209 1.209 26 C 0.325 3.675 27 O -0.317 6.317 28 C -0.047 4.047 29 H 0.077 0.923 30 H 0.071 0.929 31 H 0.069 0.931 32 H 0.075 0.925 33 H 0.080 0.920 34 H 0.066 0.934 35 H 0.066 0.934 36 H 0.094 0.906 37 H 0.048 0.952 38 H 0.091 0.909 39 H 0.047 0.953 40 H 0.096 0.904 41 H 0.087 0.913 42 H 0.110 0.890 43 H 0.093 0.907 44 H 0.093 0.907 45 H 0.137 0.863 46 H 0.132 0.868 47 H 0.099 0.901 48 H 0.097 0.903 49 H 0.039 0.961 50 H 0.040 0.960 51 H 0.071 0.929 52 H 0.066 0.934 53 H 0.097 0.903 Dipole moment (debyes) X Y Z Total from point charges -5.956 -21.075 -11.867 24.909 hybrid contribution 0.366 0.229 0.165 0.462 sum -5.591 -20.845 -11.702 24.550 Atomic orbital electron populations 1.21801 0.95808 1.01287 1.02088 1.21555 0.96054 0.96478 1.01630 1.21189 0.94193 0.95624 0.99635 0.91136 1.21777 1.00045 1.02359 0.95682 1.22145 0.95712 0.88305 1.00352 1.61816 1.09388 1.17761 1.35893 1.22100 1.00599 0.94965 0.89151 1.21734 0.95174 0.96154 1.03382 1.21462 0.97107 1.00871 0.94356 1.21138 0.94678 0.97393 0.96579 1.22577 0.95367 1.03346 0.97946 1.20646 0.83538 0.78469 0.86150 1.90756 1.26913 1.52554 1.65611 1.47077 1.08492 1.50295 1.25287 1.22199 1.02411 0.95114 0.81935 1.19363 0.97812 0.87114 0.97991 1.21052 1.50676 0.91497 0.92631 0.92286 1.24997 0.95062 0.97790 0.96414 1.69980 1.50211 1.08031 1.24907 0.86464 0.77665 0.79909 0.83552 1.19600 1.20946 1.20930 1.20106 0.85228 0.77977 0.84165 1.90707 1.16456 1.53432 1.71137 1.21817 0.88499 0.92779 1.01649 0.92256 0.92896 0.93080 0.92459 0.92046 0.93443 0.93420 0.90556 0.95172 0.90901 0.95319 0.90367 0.91261 0.88963 0.90701 0.90713 0.86340 0.86778 0.90124 0.90283 0.96125 0.96028 0.92947 0.93414 0.90340 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 -0.15 -1.06 9.67 37.16 0.36 -0.70 16 2 C -0.12 -0.86 5.40 -26.73 -0.14 -1.01 16 3 C -0.09 -0.76 2.31 -90.62 -0.21 -0.97 16 4 H 0.07 0.63 6.21 -51.93 -0.32 0.30 16 5 C -0.14 -1.48 8.84 37.16 0.33 -1.15 16 6 C 0.06 0.55 4.35 -3.82 -0.02 0.53 16 7 N -0.52 -5.52 3.48 -234.95 -0.82 -6.34 16 8 C 0.06 0.57 5.28 -3.83 -0.02 0.55 16 9 C -0.13 -1.40 5.81 -26.59 -0.15 -1.55 16 10 C -0.10 -1.07 4.58 -26.85 -0.12 -1.19 16 11 C -0.09 -1.11 0.69 -155.74 -0.11 -1.22 16 12 C -0.15 -1.68 6.30 -27.14 -0.17 -1.85 16 13 C 0.52 8.90 8.09 -10.98 -0.09 8.81 16 14 O -0.49 -9.95 17.48 5.60 0.10 -9.85 16 15 N -0.57 -10.59 2.56 -115.41 -0.30 -10.88 16 16 C 0.10 2.26 5.50 -4.04 -0.02 2.23 16 17 C 0.01 0.40 5.30 -27.89 -0.15 0.25 16 18 C -0.52 -15.04 9.11 -34.44 -0.31 -15.35 16 19 H 0.06 1.64 7.74 -52.49 -0.41 1.23 16 20 C 0.06 1.73 5.46 -17.82 -0.10 1.63 16 21 N -0.89 -27.33 13.29 55.43 0.74 -26.59 16 22 Si 0.90 22.06 29.54 -169.99 -5.02 17.04 16 23 H -0.27 -6.51 7.11 56.52 0.40 -6.10 16 24 H -0.28 -6.89 7.11 56.52 0.40 -6.49 16 25 H -0.28 -6.88 7.11 56.52 0.40 -6.48 16 26 C 0.54 9.06 6.52 -11.24 -0.07 8.99 16 27 O -0.45 -8.75 15.01 5.61 0.08 -8.66 16 28 C 0.08 0.80 4.01 -4.08 -0.02 0.79 16 29 H 0.06 0.44 6.56 -51.93 -0.34 0.10 16 30 H 0.05 0.36 8.14 -51.93 -0.42 -0.06 16 31 H 0.05 0.32 8.14 -51.93 -0.42 -0.11 16 32 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 33 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 34 H 0.05 0.46 6.56 -51.93 -0.34 0.12 16 35 H 0.05 0.50 8.14 -51.93 -0.42 0.08 16 36 H 0.08 1.02 7.75 -51.93 -0.40 0.61 16 37 H 0.03 0.24 8.12 -51.93 -0.42 -0.18 16 38 H 0.07 0.65 8.00 -51.93 -0.42 0.24 16 39 H 0.03 0.24 8.14 -51.93 -0.42 -0.18 16 40 H 0.08 0.74 6.11 -51.93 -0.32 0.42 16 41 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 42 H 0.09 1.34 6.25 -51.93 -0.32 1.01 16 43 H 0.07 0.90 8.14 -51.93 -0.42 0.48 16 44 H 0.07 0.60 8.14 -51.93 -0.42 0.18 16 45 H 0.12 1.11 7.71 -51.93 -0.40 0.71 16 46 H 0.11 0.94 7.72 -51.93 -0.40 0.54 16 47 H 0.08 1.75 7.84 -51.93 -0.41 1.35 16 48 H 0.08 1.73 7.83 -51.93 -0.41 1.32 16 49 H 0.02 0.60 8.14 -51.92 -0.42 0.17 16 50 H 0.02 0.62 8.14 -51.93 -0.42 0.20 16 51 H 0.26 7.49 8.31 -40.82 -0.34 7.15 16 52 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 53 H 0.08 0.78 8.04 -51.93 -0.42 0.37 16 LS Contribution 408.37 15.07 6.15 6.15 Total: -1.00 -33.61 408.37 -9.61 -43.22 By element: Atomic # 1 Polarization: 6.68 SS G_CDS: -9.53 Total: -2.86 kcal Atomic # 6 Polarization: -0.20 SS G_CDS: -1.02 Total: -1.22 kcal Atomic # 7 Polarization: -43.44 SS G_CDS: -0.38 Total: -43.82 kcal Atomic # 8 Polarization: -18.70 SS G_CDS: 0.18 Total: -18.52 kcal Atomic # 14 Polarization: 22.06 SS G_CDS: -5.02 Total: 17.04 kcal Total LS contribution 6.15 Total: 6.15 kcal Total: -33.61 -9.61 -43.22 kcal The number of atoms in the molecule is 53 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. ZINC001272418803.mol2 53 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 -41.254 kcal (2) G-P(sol) polarization free energy of solvation -33.608 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -74.862 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.613 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.221 kcal (6) G-S(sol) free energy of system = (1) + (5) -84.474 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.87 seconds