Wall clock time and date at job start Sat Apr 11 2020 06:11:36 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 1.52996 * 1 3 3 C 1.53000 * 109.47123 * 2 1 4 4 C 1.53002 * 109.46687 * 240.00527 * 2 1 3 5 5 C 1.52996 * 109.47351 * 120.00393 * 2 1 3 6 6 H 1.08994 * 109.47512 * 174.08567 * 5 2 1 7 7 N 1.46505 * 109.47093 * 54.09128 * 5 2 1 8 8 C 1.34766 * 120.00219 * 84.99760 * 7 5 2 9 9 N 1.34779 * 120.00216 * 180.02562 * 8 7 5 10 10 O 1.21591 * 120.00366 * 0.02562 * 8 7 5 11 11 C 1.50696 * 109.47334 * 294.09136 * 5 2 1 12 12 O 1.21283 * 120.00387 * 86.87099 * 11 5 2 13 13 N 1.34773 * 120.00232 * 266.87966 * 11 5 2 14 14 C 1.46926 * 120.62848 * 5.02004 * 13 11 5 15 15 C 1.53191 * 108.77862 * 233.59212 * 14 13 11 16 16 C 1.53042 * 109.31340 * 305.36571 * 15 14 13 17 17 C 1.53043 * 109.53963 * 61.36049 * 16 15 14 18 18 H 1.09000 * 109.49496 * 58.58724 * 17 16 15 19 19 C 1.52999 * 109.49903 * 178.65423 * 17 16 15 20 20 N 1.46500 * 109.47292 * 295.00018 * 19 17 16 21 21 C 1.36928 * 119.99874 * 179.97438 * 20 19 17 22 22 H 1.07996 * 120.00478 * 0.02562 * 21 20 19 23 23 C 1.38818 * 119.99714 * 180.02562 * 21 20 19 24 24 N 1.31621 * 120.00065 * 180.02562 * 23 21 20 25 25 Si 1.86804 * 120.00039 * 0.02562 * 23 21 20 26 26 H 1.48493 * 109.47342 * 89.99797 * 25 23 21 27 27 H 1.48499 * 109.46895 * 209.99915 * 25 23 21 28 28 H 1.48499 * 109.46945 * 329.99495 * 25 23 21 29 29 C 1.46929 * 120.63490 * 184.74799 * 13 11 5 30 30 H 1.09006 * 109.47243 * 299.99650 * 1 2 3 31 31 H 1.09004 * 109.47524 * 59.99723 * 1 2 3 32 32 H 1.09000 * 109.47830 * 179.97438 * 1 2 3 33 33 H 1.09005 * 109.47024 * 178.45172 * 3 2 1 34 34 H 1.08997 * 109.47255 * 298.45665 * 3 2 1 35 35 H 1.09006 * 109.47013 * 58.46203 * 3 2 1 36 36 H 1.09003 * 109.47285 * 299.99615 * 4 2 1 37 37 H 1.08993 * 109.47430 * 60.00125 * 4 2 1 38 38 H 1.09001 * 109.46833 * 180.02562 * 4 2 1 39 39 H 0.97007 * 119.99500 * 265.28118 * 7 5 2 40 40 H 0.96996 * 120.00003 * 0.02562 * 9 8 7 41 41 H 0.96998 * 120.00270 * 180.02562 * 9 8 7 42 42 H 1.09004 * 109.58655 * 353.37626 * 14 13 11 43 43 H 1.09001 * 109.58791 * 113.66051 * 14 13 11 44 44 H 1.08998 * 109.50280 * 65.31309 * 15 14 13 45 45 H 1.09001 * 109.50142 * 185.41266 * 15 14 13 46 46 H 1.08996 * 109.46541 * 181.38534 * 16 15 14 47 47 H 1.09011 * 109.45778 * 301.36220 * 16 15 14 48 48 H 1.08998 * 109.46943 * 55.00308 * 19 17 16 49 49 H 1.08997 * 109.46569 * 175.00013 * 19 17 16 50 50 H 0.97006 * 119.99572 * 0.02562 * 20 19 17 51 51 H 0.96998 * 120.00145 * 180.02562 * 24 23 21 52 52 H 1.09005 * 109.58184 * 246.19612 * 29 13 11 53 53 H 1.08994 * 109.58276 * 6.61777 * 29 13 11 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 -0.7212 -1.2494 5 6 2.0400 -0.7213 1.2491 6 1 3.1248 -0.8139 1.1978 7 7 1.4390 -2.0554 1.3223 8 6 1.9997 -3.0845 0.6567 9 7 1.4465 -4.3117 0.7236 10 8 3.0046 -2.9059 -0.0041 11 6 1.6607 0.0684 2.4753 12 8 0.5801 -0.1049 2.9980 13 7 2.5222 0.9673 2.9911 14 6 3.7879 1.2683 2.3084 15 6 4.9400 1.0819 3.3007 16 6 4.6790 1.9338 4.5451 17 6 3.3832 1.4744 5.2174 18 1 3.4659 0.4210 5.4848 19 6 3.1407 2.3043 6.4797 20 7 4.2002 2.0321 7.4541 21 6 4.1930 2.6654 8.6681 22 1 3.4062 3.3654 8.9074 23 6 5.1973 2.4078 9.5913 24 7 5.1902 3.0162 10.7584 25 14 6.5587 1.1977 9.1771 26 1 7.6824 1.9198 8.5283 27 1 7.0406 0.5493 10.4231 28 1 6.0353 0.1619 8.2506 29 6 2.2110 1.6693 4.2438 30 1 -0.3634 0.5138 0.8901 31 1 -0.3634 0.5139 -0.8900 32 1 -0.3635 -1.0276 -0.0005 33 1 3.1297 1.4426 0.0278 34 1 1.6994 1.9483 -0.9035 35 1 1.6542 1.9642 0.8759 36 1 1.6765 -1.7489 -1.2494 37 1 1.6766 -0.2073 -2.1392 38 1 3.1299 -0.7216 -1.2492 39 1 0.6352 -2.1971 1.8465 40 1 0.6447 -4.4542 1.2504 41 1 1.8503 -5.0524 0.2449 42 1 3.9187 0.5898 1.4653 43 1 3.7742 2.2977 1.9503 44 1 5.0081 0.0322 3.5864 45 1 5.8750 1.3942 2.8356 46 1 5.5093 1.8222 5.2424 47 1 4.5862 2.9807 4.2555 48 1 3.1455 3.3640 6.2242 49 1 2.1749 2.0385 6.9092 50 1 4.9072 1.4037 7.2390 51 1 5.8921 2.8365 11.4033 52 1 2.0723 2.7316 4.0425 53 1 1.3009 1.2557 4.6779 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 ZINC001661832991.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 06:11:36 Heat of formation + Delta-G solvation = -57.940054 kcal Electronic energy + Delta-G solvation = -32057.378171 eV Core-core repulsion = 27964.196194 eV Total energy + Delta-G solvation = -4093.181977 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.80 seconds Orbital eigenvalues (eV) -41.43089 -39.83635 -38.07911 -36.99253 -35.22179 -34.28330 -33.27438 -32.86901 -31.83903 -30.56224 -28.08703 -27.52821 -27.30028 -25.78794 -25.04483 -22.63307 -21.94585 -21.57762 -20.52961 -19.70061 -19.10826 -18.60605 -17.74183 -17.43390 -17.00484 -16.43976 -16.09798 -15.37846 -15.11089 -14.77718 -14.54680 -14.47745 -14.33984 -14.07299 -13.96482 -13.78108 -13.72428 -13.14809 -13.02138 -12.84172 -12.75422 -12.45084 -12.27648 -12.18527 -12.08444 -11.80810 -11.58922 -11.22485 -11.19305 -11.16422 -10.95153 -10.90120 -10.75268 -10.56750 -10.50083 -10.36551 -10.09392 -9.95996 -9.83260 -9.59133 -9.29131 -8.91123 -8.75056 -7.23673 -5.77423 -3.12802 2.15295 2.51413 2.85449 2.97921 3.35966 3.38390 3.44094 4.07131 4.14943 4.37984 4.44128 4.58122 4.66880 4.73082 4.84856 4.87509 4.96240 5.01162 5.17408 5.22015 5.33144 5.35651 5.45025 5.48059 5.53004 5.55559 5.65671 5.67681 5.70038 5.71111 5.79548 5.82915 5.84038 5.88904 5.92265 6.02291 6.04641 6.09758 6.19308 6.30721 6.31812 6.39515 6.43513 6.58474 6.65830 6.75206 7.17807 7.61176 7.89028 7.98931 8.29563 8.41702 9.20603 9.92945 10.12806 11.41105 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.017202 B = 0.002713 C = 0.002600 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1627.329215 B =10318.904323 C =10767.714844 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.141 4.141 2 C -0.072 4.072 3 C -0.155 4.155 4 C -0.129 4.129 5 C 0.154 3.846 6 H 0.111 0.889 7 N -0.727 5.727 8 C 0.709 3.291 9 N -0.867 5.867 10 O -0.589 6.589 11 C 0.518 3.482 12 O -0.537 6.537 13 N -0.601 5.601 14 C 0.098 3.902 15 C -0.138 4.138 16 C -0.113 4.113 17 C -0.111 4.111 18 H 0.073 0.927 19 C 0.165 3.835 20 N -0.754 5.754 21 C -0.243 4.243 22 H 0.090 0.910 23 C 0.004 3.996 24 N -0.934 5.934 25 Si 0.883 3.117 26 H -0.284 1.284 27 H -0.291 1.291 28 H -0.278 1.278 29 C 0.120 3.880 30 H 0.063 0.937 31 H 0.055 0.945 32 H 0.055 0.945 33 H 0.064 0.936 34 H 0.063 0.937 35 H 0.061 0.939 36 H 0.060 0.940 37 H 0.049 0.951 38 H 0.061 0.939 39 H 0.405 0.595 40 H 0.398 0.602 41 H 0.415 0.585 42 H 0.088 0.912 43 H 0.077 0.923 44 H 0.066 0.934 45 H 0.076 0.924 46 H 0.072 0.928 47 H 0.067 0.933 48 H 0.030 0.970 49 H 0.028 0.972 50 H 0.360 0.640 51 H 0.259 0.741 52 H 0.072 0.928 53 H 0.094 0.906 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -8.172 -9.708 -27.315 30.118 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 -0.199 4.199 2 C -0.074 4.074 3 C -0.212 4.212 4 C -0.186 4.186 5 C 0.044 3.956 6 H 0.128 0.872 7 N -0.384 5.384 8 C 0.407 3.593 9 N -0.435 5.435 10 O -0.467 6.467 11 C 0.304 3.696 12 O -0.414 6.414 13 N -0.333 5.333 14 C -0.024 4.024 15 C -0.177 4.177 16 C -0.151 4.151 17 C -0.130 4.130 18 H 0.091 0.909 19 C 0.037 3.963 20 N -0.400 5.400 21 C -0.373 4.373 22 H 0.108 0.892 23 C -0.192 4.192 24 N -0.583 5.583 25 Si 0.714 3.286 26 H -0.210 1.210 27 H -0.217 1.217 28 H -0.204 1.204 29 C -0.002 4.002 30 H 0.082 0.918 31 H 0.074 0.926 32 H 0.074 0.926 33 H 0.083 0.917 34 H 0.082 0.918 35 H 0.080 0.920 36 H 0.079 0.921 37 H 0.068 0.932 38 H 0.080 0.920 39 H 0.242 0.758 40 H 0.225 0.775 41 H 0.247 0.753 42 H 0.106 0.894 43 H 0.095 0.905 44 H 0.084 0.916 45 H 0.095 0.905 46 H 0.091 0.909 47 H 0.085 0.915 48 H 0.048 0.952 49 H 0.046 0.954 50 H 0.193 0.807 51 H 0.069 0.931 52 H 0.090 0.910 53 H 0.112 0.888 Dipole moment (debyes) X Y Z Total from point charges -7.970 -9.329 -27.337 29.964 hybrid contribution 0.528 -1.322 0.270 1.449 sum -7.442 -10.651 -27.067 30.024 Atomic orbital electron populations 1.21866 0.93664 1.02102 1.02247 1.20894 0.96832 0.95467 0.94210 1.22204 1.01591 0.94724 1.02715 1.21876 1.01586 1.00164 0.95023 1.20843 0.99958 0.81955 0.92830 0.87182 1.44780 1.32160 1.07222 1.54232 1.15816 0.82908 0.80624 0.79927 1.42963 1.33513 1.09727 1.57314 1.90983 1.26211 1.83605 1.45855 1.20404 0.84393 0.79947 0.84816 1.90688 1.21977 1.66727 1.61959 1.48080 1.19520 1.41050 1.24660 1.22136 0.83069 1.01820 0.95383 1.21988 0.97643 1.01333 0.96696 1.21559 0.98127 0.99316 0.96098 1.21810 0.94436 1.01299 0.95481 0.90879 1.20556 0.92261 0.96270 0.87234 1.42694 1.28728 1.52689 1.15885 1.19061 1.09055 1.19121 0.90047 0.89189 1.24670 0.98684 0.99744 0.96082 1.69699 1.35368 1.46075 1.07109 0.86562 0.83086 0.81690 0.77291 1.21034 1.21705 1.20418 1.21759 0.99014 0.96706 0.82767 0.91771 0.92577 0.92602 0.91665 0.91760 0.92035 0.92096 0.93193 0.91967 0.75847 0.77462 0.75253 0.89444 0.90509 0.91555 0.90519 0.90909 0.91473 0.95242 0.95369 0.80650 0.93058 0.90953 0.88767 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 -0.14 -1.23 7.99 37.16 0.30 -0.94 16 2 C -0.07 -0.62 0.62 -154.51 -0.10 -0.72 16 3 C -0.15 -1.18 6.81 37.16 0.25 -0.93 16 4 C -0.13 -1.16 7.09 37.16 0.26 -0.90 16 5 C 0.15 1.52 1.49 -69.08 -0.10 1.41 16 6 H 0.11 1.16 5.44 -51.93 -0.28 0.87 16 7 N -0.73 -6.67 4.01 -59.82 -0.24 -6.91 16 8 C 0.71 6.85 7.45 -86.92 -0.65 6.20 16 9 N -0.87 -5.00 8.88 27.63 0.25 -4.76 16 10 O -0.59 -7.59 14.32 5.29 0.08 -7.52 16 11 C 0.52 6.03 5.19 -10.99 -0.06 5.97 16 12 O -0.54 -7.57 14.50 5.55 0.08 -7.49 16 13 N -0.60 -6.62 2.53 -172.50 -0.44 -7.06 16 14 C 0.10 0.88 4.14 -3.71 -0.02 0.87 16 15 C -0.14 -1.43 6.08 -26.61 -0.16 -1.59 16 16 C -0.11 -1.49 5.05 -26.69 -0.13 -1.63 16 17 C -0.11 -1.62 2.39 -90.27 -0.22 -1.84 16 18 H 0.07 1.18 8.14 -51.93 -0.42 0.75 16 19 C 0.16 3.08 5.66 -4.04 -0.02 3.06 16 20 N -0.75 -17.72 5.12 -59.91 -0.31 -18.03 16 21 C -0.24 -6.88 10.47 -15.06 -0.16 -7.04 16 22 H 0.09 2.73 8.06 -52.49 -0.42 2.30 16 23 C 0.00 0.11 5.50 -17.43 -0.10 0.02 16 24 N -0.93 -29.47 13.97 55.49 0.78 -28.70 16 25 Si 0.88 22.13 27.74 -169.99 -4.71 17.41 16 26 H -0.28 -7.00 7.11 56.52 0.40 -6.59 16 27 H -0.29 -7.39 7.11 56.52 0.40 -6.99 16 28 H -0.28 -6.58 6.52 56.52 0.37 -6.21 16 29 C 0.12 1.51 5.73 -3.48 -0.02 1.49 16 30 H 0.06 0.66 6.69 -51.93 -0.35 0.32 16 31 H 0.06 0.44 8.14 -51.93 -0.42 0.01 16 32 H 0.05 0.48 7.45 -51.93 -0.39 0.09 16 33 H 0.06 0.44 5.89 -51.93 -0.31 0.13 16 34 H 0.06 0.44 8.14 -51.93 -0.42 0.02 16 35 H 0.06 0.53 6.51 -51.93 -0.34 0.19 16 36 H 0.06 0.63 5.62 -51.93 -0.29 0.33 16 37 H 0.05 0.40 8.14 -51.93 -0.42 -0.03 16 38 H 0.06 0.61 7.90 -51.93 -0.41 0.20 16 39 H 0.41 3.44 7.92 -40.82 -0.32 3.12 16 40 H 0.40 1.32 8.84 -40.82 -0.36 0.96 16 41 H 0.42 1.94 8.93 -40.82 -0.36 1.58 16 42 H 0.09 0.69 4.07 -51.93 -0.21 0.48 16 43 H 0.08 0.59 7.85 -51.93 -0.41 0.18 16 44 H 0.07 0.74 8.14 -51.93 -0.42 0.32 16 45 H 0.08 0.67 8.14 -51.93 -0.42 0.25 16 46 H 0.07 1.12 7.15 -51.93 -0.37 0.74 16 47 H 0.07 0.84 8.14 -51.92 -0.42 0.42 16 48 H 0.03 0.55 8.14 -51.93 -0.42 0.13 16 49 H 0.03 0.55 8.14 -51.93 -0.42 0.13 16 50 H 0.36 8.28 4.71 -40.82 -0.19 8.09 16 51 H 0.26 7.78 8.31 -40.82 -0.34 7.44 16 52 H 0.07 0.84 8.14 -51.93 -0.42 0.41 16 53 H 0.09 1.32 7.03 -51.93 -0.37 0.95 16 LS Contribution 393.26 15.07 5.93 5.93 Total: -1.00 -34.81 393.26 -8.29 -43.09 By element: Atomic # 1 Polarization: 19.38 SS G_CDS: -8.78 Total: 10.60 kcal Atomic # 6 Polarization: 4.35 SS G_CDS: -0.91 Total: 3.43 kcal Atomic # 7 Polarization: -65.49 SS G_CDS: 0.04 Total: -65.45 kcal Atomic # 8 Polarization: -15.17 SS G_CDS: 0.16 Total: -15.01 kcal Atomic # 14 Polarization: 22.13 SS G_CDS: -4.71 Total: 17.41 kcal Total LS contribution 5.93 Total: 5.93 kcal Total: -34.81 -8.29 -43.09 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. ZINC001661832991.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 -14.848 kcal (2) G-P(sol) polarization free energy of solvation -34.806 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -49.654 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.286 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.092 kcal (6) G-S(sol) free energy of system = (1) + (5) -57.940 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.80 seconds