Wall clock time and date at job start Sat Apr 11 2020 06:11:40 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 N 1.46903 * 109.47073 * 2 1 4 4 C 1.46901 * 110.99788 * 293.95231 * 3 2 1 5 5 C 1.46901 * 110.99790 * 170.00177 * 3 2 1 6 6 C 1.53000 * 109.46769 * 190.00085 * 5 3 2 7 7 C 1.50706 * 109.46735 * 180.02562 * 6 5 3 8 8 O 1.21273 * 120.00140 * 359.97438 * 7 6 5 9 9 N 1.34779 * 119.99767 * 180.02562 * 7 6 5 10 10 C 1.46927 * 120.62906 * 359.71711 * 9 7 6 11 11 C 1.52764 * 109.00591 * 233.58409 * 10 9 7 12 12 C 1.53038 * 109.38398 * 305.59101 * 11 10 9 13 13 C 1.53037 * 109.53876 * 61.23747 * 12 11 10 14 14 H 1.09003 * 109.49450 * 58.59227 * 13 12 11 15 15 N 1.46899 * 109.52147 * 178.66764 * 13 12 11 16 16 C 1.46900 * 111.00021 * 204.85601 * 15 13 12 17 17 C 1.50700 * 109.47200 * 180.02562 * 16 15 13 18 18 O 1.21293 * 120.00203 * 359.97438 * 17 16 15 19 19 N 1.34782 * 119.99663 * 179.97438 * 17 16 15 20 20 C 1.37098 * 119.99781 * 179.97438 * 19 17 16 21 21 H 1.08005 * 119.99985 * 0.02562 * 20 19 17 22 22 C 1.38943 * 120.00350 * 180.02562 * 20 19 17 23 23 N 1.31414 * 120.00667 * 180.02562 * 22 20 19 24 24 Si 1.86802 * 119.99750 * 0.02562 * 22 20 19 25 25 H 1.48503 * 109.47076 * 89.99824 * 24 22 20 26 26 H 1.48504 * 109.47412 * 209.99977 * 24 22 20 27 27 H 1.48493 * 109.47348 * 330.00088 * 24 22 20 28 28 C 1.46923 * 120.62868 * 179.97438 * 9 7 6 29 29 H 1.09002 * 109.47148 * 59.99731 * 1 2 3 30 30 H 1.09002 * 109.47653 * 180.02562 * 1 2 3 31 31 H 1.09003 * 109.47179 * 300.00086 * 1 2 3 32 32 H 1.09003 * 109.47179 * 239.99914 * 2 1 3 33 33 H 1.08993 * 109.47094 * 120.00075 * 2 1 3 34 34 H 1.09001 * 109.47121 * 296.04690 * 4 3 2 35 35 H 1.09005 * 109.47342 * 56.04784 * 4 3 2 36 36 H 1.08999 * 109.46894 * 176.04703 * 4 3 2 37 37 H 1.09002 * 109.47401 * 69.99793 * 5 3 2 38 38 H 1.09001 * 109.46874 * 309.99805 * 5 3 2 39 39 H 1.09001 * 109.47194 * 299.99524 * 6 5 3 40 40 H 1.08992 * 109.47399 * 59.99697 * 6 5 3 41 41 H 1.08994 * 109.58928 * 353.41968 * 10 9 7 42 42 H 1.08998 * 109.59054 * 113.84667 * 10 9 7 43 43 H 1.09005 * 109.56273 * 185.55024 * 11 10 9 44 44 H 1.09000 * 109.35802 * 65.50097 * 11 10 9 45 45 H 1.08999 * 109.45651 * 301.21720 * 12 11 10 46 46 H 1.08997 * 109.44971 * 181.25743 * 12 11 10 47 47 H 1.00898 * 111.00480 * 80.90384 * 15 13 12 48 48 H 1.09000 * 109.47220 * 300.00548 * 16 15 13 49 49 H 1.09002 * 109.47190 * 59.99930 * 16 15 13 50 50 H 0.96999 * 120.00230 * 0.02562 * 19 17 16 51 51 H 0.96991 * 120.00379 * 179.97438 * 23 22 20 52 52 H 1.09005 * 109.58150 * 246.15224 * 28 9 7 53 53 H 1.08996 * 109.58821 * 6.57886 * 28 9 7 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 7 2.0196 1.3850 0.0000 4 6 1.6702 2.0669 -1.2534 5 6 3.4685 1.4311 0.2381 6 6 3.8998 2.8791 0.4791 7 6 5.3863 2.9265 0.7227 8 8 6.0365 1.9029 0.7058 9 7 5.9929 4.1063 0.9605 10 6 5.2195 5.3554 0.9791 11 6 5.8609 6.3522 0.0154 12 6 7.3396 6.5227 0.3709 13 6 8.0585 5.1793 0.2282 14 1 7.9497 4.8151 -0.7934 15 7 9.4842 5.3501 0.5386 16 6 10.2939 4.3170 -0.1209 17 6 11.7471 4.5238 0.2205 18 8 12.0760 5.4418 0.9418 19 7 12.6814 3.6887 -0.2758 20 6 14.0034 3.8771 0.0343 21 1 14.2962 4.6945 0.6767 22 6 14.9667 3.0165 -0.4776 23 7 16.2339 3.1968 -0.1800 24 14 14.4604 1.6032 -1.5891 25 1 14.4713 2.0570 -3.0031 26 1 15.4140 0.4769 -1.4234 27 1 13.0934 1.1520 -1.2247 28 6 7.4411 4.1685 1.2003 29 1 -0.3633 0.5139 -0.8900 30 1 -0.3634 -1.0276 0.0005 31 1 -0.3634 0.5139 0.8900 32 1 1.8933 -0.5139 -0.8900 33 1 1.8933 -0.5138 0.8899 34 1 2.1769 1.5790 -2.0860 35 1 0.5919 2.0179 -1.4053 36 1 1.9824 3.1098 -1.1988 37 1 3.9925 1.0359 -0.6321 38 1 3.7122 0.8289 1.1134 39 1 3.6562 3.4813 -0.3962 40 1 3.3758 3.2743 1.3492 41 1 4.1945 5.1552 0.6670 42 1 5.2221 5.7719 1.9864 43 1 5.3543 7.3141 0.0946 44 1 5.7727 5.9769 -1.0041 45 1 7.4277 6.8744 1.3988 46 1 7.7930 7.2505 -0.3020 47 1 9.6398 5.3497 1.5355 48 1 9.9769 3.3324 0.2228 49 1 10.1607 4.3851 -1.2006 50 1 12.4184 2.9547 -0.8530 51 1 16.9063 2.5959 -0.5371 52 1 7.6282 4.4864 2.2261 53 1 7.8816 3.1854 1.0341 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) 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 ZINC001210481906.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Apr 11 2020 06:11:40 Heat of formation + Delta-G solvation = -63.002625 kcal Electronic energy + Delta-G solvation = -29859.362045 eV Core-core repulsion = 25765.960539 eV Total energy + Delta-G solvation = -4093.401506 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.61459 -38.77210 -38.24888 -37.60424 -35.24295 -33.90251 -32.85894 -32.55443 -31.64931 -30.43368 -29.52598 -27.29651 -26.38507 -25.61497 -24.01273 -23.08498 -22.50864 -21.29489 -20.75401 -19.40832 -19.12943 -18.30773 -17.68011 -16.55106 -16.40330 -16.12337 -15.75547 -15.50869 -15.23871 -14.88406 -14.71168 -14.65898 -14.51534 -14.30208 -13.90956 -13.72682 -13.53390 -13.33181 -13.11819 -12.98336 -12.76892 -12.58486 -12.45722 -12.29800 -12.24307 -12.05076 -11.82291 -11.72750 -11.57453 -11.33699 -11.29067 -11.16595 -11.14207 -11.08752 -10.80897 -10.57130 -10.04752 -9.95840 -9.55779 -9.07478 -8.81476 -8.57021 -8.17613 -8.11353 -6.29673 -3.81031 2.36767 2.61491 3.05520 3.09292 3.17106 3.45999 3.75188 4.01134 4.12328 4.26953 4.42594 4.53984 4.59738 4.61986 4.68064 4.71636 4.76281 4.76911 4.93662 4.98219 5.00879 5.06041 5.07354 5.10144 5.21414 5.22910 5.34758 5.36968 5.46375 5.46792 5.48285 5.55229 5.55898 5.58275 5.59623 5.64484 5.74270 5.78256 5.85673 5.93416 6.05077 6.13064 6.16880 6.57203 6.58543 7.05683 7.11144 7.52199 7.59563 7.90922 8.15737 8.61106 8.96248 9.43984 9.83892 10.83371 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.013391 B = 0.002085 C = 0.001857 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2090.504968 B =13425.353765 C =15074.848262 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.149 4.149 2 C 0.049 3.951 3 N -0.545 5.545 4 C 0.016 3.984 5 C 0.069 3.931 6 C -0.134 4.134 7 C 0.514 3.486 8 O -0.541 6.541 9 N -0.608 5.608 10 C 0.105 3.895 11 C -0.135 4.135 12 C -0.108 4.108 13 C 0.076 3.924 14 H 0.080 0.920 15 N -0.656 5.656 16 C 0.045 3.955 17 C 0.450 3.550 18 O -0.565 6.565 19 N -0.590 5.590 20 C -0.305 4.305 21 H 0.120 0.880 22 C 0.042 3.958 23 N -0.881 5.881 24 Si 0.879 3.121 25 H -0.271 1.271 26 H -0.276 1.276 27 H -0.269 1.269 28 C 0.080 3.920 29 H 0.054 0.946 30 H 0.059 0.941 31 H 0.063 0.937 32 H 0.034 0.966 33 H 0.075 0.925 34 H 0.026 0.974 35 H 0.071 0.929 36 H 0.069 0.931 37 H 0.043 0.957 38 H 0.083 0.917 39 H 0.093 0.907 40 H 0.102 0.898 41 H 0.085 0.915 42 H 0.071 0.929 43 H 0.079 0.921 44 H 0.066 0.934 45 H 0.066 0.934 46 H 0.077 0.923 47 H 0.352 0.648 48 H 0.047 0.953 49 H 0.087 0.913 50 H 0.371 0.629 51 H 0.273 0.727 52 H 0.070 0.930 53 H 0.091 0.909 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -34.268 -1.101 -1.670 34.326 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 -0.206 4.206 2 C -0.078 4.078 3 N -0.269 5.269 4 C -0.132 4.132 5 C -0.059 4.059 6 C -0.175 4.175 7 C 0.302 3.698 8 O -0.418 6.418 9 N -0.343 5.343 10 C -0.018 4.018 11 C -0.173 4.173 12 C -0.146 4.146 13 C -0.035 4.035 14 H 0.098 0.902 15 N -0.288 5.288 16 C -0.087 4.087 17 C 0.236 3.764 18 O -0.447 6.447 19 N -0.229 5.229 20 C -0.434 4.434 21 H 0.137 0.863 22 C -0.161 4.161 23 N -0.521 5.521 24 Si 0.705 3.295 25 H -0.196 1.196 26 H -0.202 1.202 27 H -0.195 1.195 28 C -0.045 4.045 29 H 0.073 0.927 30 H 0.078 0.922 31 H 0.082 0.918 32 H 0.052 0.948 33 H 0.094 0.906 34 H 0.045 0.955 35 H 0.090 0.910 36 H 0.088 0.912 37 H 0.061 0.939 38 H 0.101 0.899 39 H 0.111 0.889 40 H 0.120 0.880 41 H 0.104 0.896 42 H 0.090 0.910 43 H 0.098 0.902 44 H 0.085 0.915 45 H 0.085 0.915 46 H 0.096 0.904 47 H 0.172 0.828 48 H 0.065 0.935 49 H 0.106 0.894 50 H 0.203 0.797 51 H 0.084 0.916 52 H 0.088 0.912 53 H 0.110 0.890 Dipole moment (debyes) X Y Z Total from point charges -33.561 -0.389 -1.311 33.589 hybrid contribution 0.042 -2.326 -1.072 2.561 sum -33.520 -2.715 -2.383 33.714 Atomic orbital electron populations 1.21807 0.94720 1.01645 1.02464 1.22088 0.96127 0.88530 1.01086 1.62015 1.13770 1.16275 1.34855 1.22508 1.01601 0.99292 0.89802 1.21831 0.86589 0.95436 1.02039 1.21646 0.92161 0.99277 1.04383 1.20673 0.90101 0.82953 0.76074 1.90721 1.66801 1.33146 1.51163 1.48087 1.08523 1.06750 1.70891 1.21735 0.95254 0.84326 1.00458 1.21864 0.96664 0.99235 0.99571 1.21499 0.93314 0.97040 1.02780 1.21971 0.87950 0.94635 0.98981 0.90223 1.60246 1.03230 1.48519 1.16765 1.21780 0.93254 0.93432 1.00265 1.19677 0.86316 0.85070 0.85330 1.90563 1.81640 1.32671 1.39836 1.42209 1.07512 1.27646 1.45573 1.19433 0.79503 1.14940 1.29493 0.86255 1.25032 0.95065 0.98073 0.97945 1.69618 0.99918 1.38259 1.44317 0.86683 0.78716 0.82614 0.81476 1.19593 1.20158 1.19468 1.22556 0.79983 1.02250 0.99688 0.92663 0.92244 0.91799 0.94779 0.90614 0.95514 0.91015 0.91240 0.93850 0.89898 0.88890 0.88016 0.89643 0.91026 0.90205 0.91490 0.91496 0.90438 0.82783 0.93539 0.89448 0.79665 0.91619 0.91211 0.89018 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 -0.77 9.84 37.16 0.37 -0.41 16 2 C 0.05 0.33 5.68 -3.82 -0.02 0.30 16 3 N -0.54 -3.92 4.76 -242.91 -1.16 -5.08 16 4 C 0.02 0.09 9.13 60.07 0.55 0.64 16 5 C 0.07 0.59 4.25 -3.82 -0.02 0.57 16 6 C -0.13 -0.98 3.97 -27.88 -0.11 -1.10 16 7 C 0.51 5.58 7.70 -10.98 -0.08 5.50 16 8 O -0.54 -8.17 15.39 5.56 0.09 -8.08 16 9 N -0.61 -5.83 2.98 -173.01 -0.52 -6.34 16 10 C 0.11 0.66 6.31 -3.93 -0.02 0.63 16 11 C -0.13 -0.88 6.06 -26.83 -0.16 -1.04 16 12 C -0.11 -1.01 5.49 -26.69 -0.15 -1.15 16 13 C 0.08 0.88 2.62 -67.58 -0.18 0.70 16 14 H 0.08 0.97 7.80 -51.93 -0.41 0.56 16 15 N -0.66 -9.96 5.88 -107.85 -0.63 -10.60 16 16 C 0.05 0.77 5.97 -4.98 -0.03 0.74 16 17 C 0.45 10.38 7.82 -10.98 -0.09 10.30 16 18 O -0.57 -15.27 15.78 5.55 0.09 -15.18 16 19 N -0.59 -14.37 5.09 -10.96 -0.06 -14.43 16 20 C -0.30 -8.77 10.16 -14.94 -0.15 -8.92 16 21 H 0.12 3.90 7.39 -52.48 -0.39 3.52 16 22 C 0.04 1.16 5.50 -17.47 -0.10 1.07 16 23 N -0.88 -26.05 13.96 55.50 0.77 -25.27 16 24 Si 0.88 19.83 27.74 -169.99 -4.71 15.11 16 25 H -0.27 -5.97 7.11 56.52 0.40 -5.57 16 26 H -0.28 -6.24 7.11 56.52 0.40 -5.83 16 27 H -0.27 -5.61 6.52 56.52 0.37 -5.24 16 28 C 0.08 0.91 5.69 -3.69 -0.02 0.89 16 29 H 0.05 0.27 6.47 -51.93 -0.34 -0.07 16 30 H 0.06 0.26 8.14 -51.93 -0.42 -0.16 16 31 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 32 H 0.03 0.23 8.12 -51.93 -0.42 -0.19 16 33 H 0.08 0.50 7.93 -51.93 -0.41 0.09 16 34 H 0.03 0.17 8.14 -51.93 -0.42 -0.26 16 35 H 0.07 0.36 6.30 -51.93 -0.33 0.03 16 36 H 0.07 0.34 6.47 -51.93 -0.34 0.01 16 37 H 0.04 0.43 8.08 -51.93 -0.42 0.01 16 38 H 0.08 0.79 7.89 -51.93 -0.41 0.38 16 39 H 0.09 0.53 6.09 -51.93 -0.32 0.22 16 40 H 0.10 0.62 7.95 -51.93 -0.41 0.21 16 41 H 0.09 0.36 5.93 -51.93 -0.31 0.05 16 42 H 0.07 0.41 8.14 -51.93 -0.42 -0.02 16 43 H 0.08 0.39 8.14 -51.93 -0.42 -0.04 16 44 H 0.07 0.46 8.14 -51.93 -0.42 0.04 16 45 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 46 H 0.08 0.80 8.14 -51.93 -0.42 0.37 16 47 H 0.35 5.52 8.12 -39.29 -0.32 5.20 16 48 H 0.05 0.73 7.56 -51.93 -0.39 0.33 16 49 H 0.09 1.35 8.06 -51.93 -0.42 0.93 16 50 H 0.37 8.01 5.76 -40.82 -0.24 7.77 16 51 H 0.27 7.46 8.31 -40.82 -0.34 7.12 16 52 H 0.07 0.76 8.05 -51.93 -0.42 0.35 16 53 H 0.09 1.26 6.48 -51.93 -0.34 0.93 16 LS Contribution 412.39 15.07 6.21 6.21 Total: -1.00 -34.77 412.39 -9.29 -44.06 By element: Atomic # 1 Polarization: 20.03 SS G_CDS: -9.16 Total: 10.87 kcal Atomic # 6 Polarization: 8.94 SS G_CDS: -0.21 Total: 8.73 kcal Atomic # 7 Polarization: -60.13 SS G_CDS: -1.59 Total: -61.72 kcal Atomic # 8 Polarization: -23.44 SS G_CDS: 0.17 Total: -23.27 kcal Atomic # 14 Polarization: 19.83 SS G_CDS: -4.71 Total: 15.11 kcal Total LS contribution 6.21 Total: 6.21 kcal Total: -34.77 -9.29 -44.06 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. ZINC001210481906.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 -18.939 kcal (2) G-P(sol) polarization free energy of solvation -34.773 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -53.712 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.290 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.064 kcal (6) G-S(sol) free energy of system = (1) + (5) -63.003 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds