Wall clock time and date at job start Tue Mar 31 2020 20:29:38 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 1.17405 * 1 3 3 C 1.47200 * 179.97438 * 2 1 4 4 N 1.46509 * 109.46751 * 162.19458 * 3 2 1 5 5 C 1.34785 * 119.99458 * 275.28256 * 4 3 2 6 6 O 1.21273 * 119.99957 * 3.20079 * 5 4 3 7 7 C 1.50699 * 119.99447 * 183.20476 * 5 4 3 8 8 H 1.09006 * 109.47208 * 306.93419 * 7 5 4 9 9 C 1.52996 * 109.47248 * 66.93685 * 7 5 4 10 10 C 1.53000 * 109.46859 * 186.93756 * 7 5 4 11 11 H 1.09006 * 109.46935 * 299.99830 * 10 7 5 12 12 C 1.53001 * 109.47373 * 179.97438 * 10 7 5 13 13 C 1.53004 * 109.47122 * 59.99723 * 10 7 5 14 14 O 1.42900 * 109.47057 * 184.99840 * 13 10 7 15 15 C 1.42901 * 114.00116 * 179.97438 * 14 13 10 16 16 C 1.46496 * 120.00318 * 95.28278 * 4 3 2 17 17 C 1.53036 * 109.46028 * 53.51576 * 16 4 3 18 18 C 1.53193 * 109.31605 * 178.61573 * 17 16 4 19 19 N 1.46927 * 108.89185 * 54.56116 * 18 17 16 20 20 C 1.36930 * 120.62845 * 126.46521 * 19 18 17 21 21 H 1.08005 * 120.00324 * 324.07560 * 20 19 18 22 22 C 1.38810 * 120.00270 * 144.07726 * 20 19 18 23 23 N 1.31619 * 119.99814 * 356.29284 * 22 20 19 24 24 Si 1.86799 * 120.00341 * 176.28938 * 22 20 19 25 25 H 1.48500 * 109.47089 * 60.00060 * 24 22 20 26 26 H 1.48500 * 109.47229 * 180.02562 * 24 22 20 27 27 H 1.48505 * 109.47049 * 300.00040 * 24 22 20 28 28 C 1.46964 * 118.71509 * 306.64690 * 19 18 17 29 29 C 1.53038 * 109.45699 * 293.45034 * 16 4 3 30 30 H 4.40642 * 5.51368 * 180.02562 * 4 1 2 31 31 H 1.08991 * 109.47510 * 42.19341 * 3 2 1 32 32 H 1.08997 * 109.47410 * 282.18733 * 3 2 1 33 33 H 1.09007 * 109.47046 * 184.43490 * 9 7 5 34 34 H 1.08997 * 109.47061 * 304.43429 * 9 7 5 35 35 H 1.08999 * 109.47116 * 64.43943 * 9 7 5 36 36 H 1.08994 * 109.47164 * 180.02562 * 12 10 7 37 37 H 1.09000 * 109.46854 * 300.00313 * 12 10 7 38 38 H 1.09003 * 109.46643 * 59.99921 * 12 10 7 39 39 H 1.08996 * 109.47322 * 304.99864 * 13 10 7 40 40 H 1.09000 * 109.46962 * 65.00351 * 13 10 7 41 41 H 1.08994 * 109.47402 * 180.02562 * 15 14 13 42 42 H 1.09004 * 109.47296 * 300.00411 * 15 14 13 43 43 H 1.09000 * 109.46882 * 60.00037 * 15 14 13 44 44 H 1.08995 * 109.45899 * 173.49088 * 16 4 3 45 45 H 1.09004 * 109.49846 * 58.66056 * 17 16 4 46 46 H 1.09003 * 109.49786 * 298.56894 * 17 16 4 47 47 H 1.08993 * 109.58944 * 174.42757 * 18 17 16 48 48 H 1.08998 * 109.58168 * 294.70615 * 18 17 16 49 49 H 0.96997 * 120.00533 * 180.02562 * 23 22 20 50 50 H 1.09002 * 109.46403 * 293.56950 * 28 19 18 51 51 H 1.08998 * 109.70512 * 173.28752 * 28 19 18 52 52 H 1.09003 * 109.50162 * 301.33166 * 29 16 4 53 53 H 1.08990 * 109.50063 * 61.40255 * 29 16 4 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 1.1740 0.0000 0.0000 3 6 2.6460 0.0007 0.0000 4 7 3.1337 1.3160 -0.4224 5 6 3.2568 1.5996 -1.7343 6 8 2.9094 0.7876 -2.5654 7 6 3.8263 2.9257 -2.1682 8 1 3.2783 3.7330 -1.6823 9 6 5.3023 3.0009 -1.7726 10 6 3.6976 3.0636 -3.6866 11 1 4.2456 2.2563 -4.1725 12 6 4.2751 4.4102 -4.1272 13 6 2.2215 2.9884 -4.0822 14 8 2.1089 3.0002 -5.5067 15 6 0.7637 2.9325 -5.9840 16 6 3.4875 2.3230 0.5811 17 6 4.4899 1.7258 1.5713 18 6 4.8839 2.7918 2.5985 19 7 3.6651 3.3254 3.2218 20 6 3.5272 3.3403 4.5840 21 1 3.9305 2.5324 5.1766 22 6 2.8692 4.3939 5.2036 23 7 2.4420 5.4138 4.4898 24 14 2.5900 4.3642 7.0503 25 1 3.8993 4.2991 7.7480 26 1 1.8699 5.5960 7.4620 27 1 1.7781 3.1736 7.4091 28 6 2.5953 3.8388 2.3547 29 6 2.2270 2.7610 1.3303 30 1 -1.0502 -0.0004 0.0003 31 1 3.0098 -0.7605 -0.6901 32 1 3.0095 -0.2161 1.0045 33 1 5.6937 3.9889 -2.0153 34 1 5.4009 2.8241 -0.7016 35 1 5.8640 2.2434 -2.3192 36 1 4.1830 4.5086 -5.2087 37 1 3.7268 5.2172 -3.6412 38 1 5.3267 4.4642 -3.8453 39 1 1.7869 2.0685 -3.6910 40 1 1.6904 3.8457 -3.6687 41 1 0.7638 2.9458 -7.0739 42 1 0.2992 2.0112 -5.6323 43 1 0.2019 3.7884 -5.6099 44 1 3.9347 3.1859 0.0876 45 1 5.3778 1.3926 1.0339 46 1 4.0345 0.8780 2.0832 47 1 5.5199 2.3453 3.3629 48 1 5.4225 3.5978 2.1003 49 1 1.9825 6.1503 4.9226 50 1 2.9451 4.7316 1.8362 51 1 1.7206 4.0850 2.9567 52 1 1.5042 3.1649 0.6213 53 1 1.7927 1.9035 1.8439 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 ZINC001278157792.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 20:29:38 Heat of formation + Delta-G solvation = -9.157087 kcal Electronic energy + Delta-G solvation = -31305.391191 eV Core-core repulsion = 27372.487902 eV Total energy + Delta-G solvation = -3932.903288 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.98 seconds Orbital eigenvalues (eV) -40.62655 -38.31359 -37.52195 -35.79315 -35.22940 -33.18012 -32.09989 -30.55865 -30.23837 -29.55405 -27.65847 -26.98679 -26.07332 -25.15412 -23.68906 -22.27745 -22.17407 -20.88449 -19.37694 -19.03226 -17.90327 -17.19492 -16.96839 -16.41049 -15.87787 -15.78891 -15.52268 -15.03032 -14.81954 -14.44660 -14.07721 -13.77260 -13.71488 -13.56536 -13.28540 -13.17393 -12.93814 -12.70142 -12.65048 -12.42165 -12.33206 -11.99017 -11.75180 -11.52929 -11.51760 -11.27370 -11.09862 -10.92286 -10.82654 -10.78962 -10.64437 -10.56815 -10.42897 -10.25141 -10.16781 -9.92704 -9.89020 -9.81815 -9.63404 -9.29042 -8.62775 -8.45442 -6.63565 -5.86358 -3.39506 2.53744 2.71709 3.01471 3.33393 3.39010 3.39536 3.51493 3.69583 4.42138 4.46815 4.54263 4.72369 4.80842 5.02588 5.09773 5.19291 5.25931 5.28233 5.33397 5.35289 5.37186 5.41073 5.45058 5.47986 5.53795 5.59056 5.60455 5.61809 5.76713 5.77383 5.82814 5.94271 5.96846 6.00237 6.05660 6.14630 6.20896 6.27844 6.31843 6.38283 6.50218 6.56354 6.67324 6.69813 6.85901 7.14167 7.29440 7.50304 7.62643 7.73016 7.76342 8.24916 8.43965 9.16228 9.74995 10.35041 11.21877 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.014477 B = 0.003164 C = 0.003012 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1933.654273 B = 8847.081952 C = 9292.411541 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.200 4.200 2 C -0.190 4.190 3 C 0.222 3.778 4 N -0.600 5.600 5 C 0.519 3.481 6 O -0.541 6.541 7 C -0.106 4.106 8 H 0.098 0.902 9 C -0.152 4.152 10 C -0.067 4.067 11 H 0.085 0.915 12 C -0.146 4.146 13 C 0.057 3.943 14 O -0.390 6.390 15 C 0.034 3.966 16 C 0.134 3.866 17 C -0.144 4.144 18 C 0.149 3.851 19 N -0.591 5.591 20 C -0.258 4.258 21 H 0.062 0.938 22 C 0.011 3.989 23 N -0.903 5.903 24 Si 0.904 3.096 25 H -0.281 1.281 26 H -0.290 1.290 27 H -0.283 1.283 28 C 0.176 3.824 29 C -0.148 4.148 30 H 0.214 0.786 31 H 0.098 0.902 32 H 0.105 0.895 33 H 0.072 0.928 34 H 0.074 0.926 35 H 0.061 0.939 36 H 0.063 0.937 37 H 0.054 0.946 38 H 0.059 0.941 39 H 0.071 0.929 40 H 0.040 0.960 41 H 0.082 0.918 42 H 0.039 0.961 43 H 0.038 0.962 44 H 0.097 0.903 45 H 0.057 0.943 46 H 0.064 0.936 47 H 0.058 0.942 48 H 0.020 0.980 49 H 0.256 0.744 50 H 0.019 0.981 51 H 0.089 0.911 52 H 0.048 0.952 53 H 0.060 0.940 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.119 -5.180 -14.980 15.890 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 -0.218 4.218 2 C -0.191 4.191 3 C 0.100 3.900 4 N -0.331 5.331 5 C 0.307 3.693 6 O -0.419 6.419 7 C -0.127 4.127 8 H 0.117 0.883 9 C -0.209 4.209 10 C -0.086 4.086 11 H 0.104 0.896 12 C -0.203 4.203 13 C -0.019 4.019 14 O -0.309 6.309 15 C -0.063 4.063 16 C 0.032 3.968 17 C -0.184 4.184 18 C 0.021 3.979 19 N -0.314 5.314 20 C -0.388 4.388 21 H 0.079 0.921 22 C -0.188 4.188 23 N -0.547 5.547 24 Si 0.734 3.266 25 H -0.208 1.208 26 H -0.216 1.216 27 H -0.209 1.209 28 C 0.050 3.950 29 C -0.188 4.188 30 H 0.231 0.769 31 H 0.115 0.885 32 H 0.123 0.877 33 H 0.091 0.909 34 H 0.093 0.907 35 H 0.080 0.920 36 H 0.082 0.918 37 H 0.073 0.927 38 H 0.078 0.922 39 H 0.089 0.911 40 H 0.059 0.941 41 H 0.101 0.899 42 H 0.058 0.942 43 H 0.056 0.944 44 H 0.114 0.886 45 H 0.076 0.924 46 H 0.083 0.917 47 H 0.077 0.923 48 H 0.038 0.962 49 H 0.066 0.934 50 H 0.037 0.963 51 H 0.108 0.892 52 H 0.067 0.933 53 H 0.078 0.922 Dipole moment (debyes) X Y Z Total from point charges 1.043 -5.424 -15.458 16.415 hybrid contribution -0.907 0.079 1.259 1.554 sum 0.136 -5.345 -14.199 15.172 Atomic orbital electron populations 1.24828 0.95855 0.99475 1.01632 1.23503 0.94892 1.00899 0.99798 1.18243 0.83799 0.85891 1.02053 1.48330 1.64102 1.14617 1.06044 1.20718 0.77626 0.89026 0.81885 1.90644 1.49948 1.49919 1.51350 1.21328 0.98888 0.95740 0.96727 0.88348 1.21994 0.92903 1.03173 1.02820 1.20864 0.95455 0.99420 0.92841 0.89620 1.21855 1.00726 0.95805 1.01911 1.22826 0.96991 1.01112 0.80961 1.87803 1.26160 1.95244 1.21701 1.22679 0.83959 0.99872 0.99810 1.21564 0.96789 0.90038 0.88412 1.22466 0.97646 1.00629 0.97668 1.20875 0.90023 0.93245 0.93723 1.43961 1.12482 1.72521 1.02394 1.19064 1.35356 1.02355 0.82021 0.92051 1.25300 1.00720 0.94965 0.97828 1.69908 1.41566 1.08658 1.34533 0.86361 0.78001 0.76947 0.85335 1.20759 1.21564 1.20919 1.20774 0.93660 0.90611 0.89983 1.22630 0.95506 1.01797 0.98901 0.76940 0.88451 0.87717 0.90877 0.90686 0.91977 0.91796 0.92722 0.92200 0.91121 0.94134 0.89943 0.94205 0.94373 0.88564 0.92430 0.91741 0.92336 0.96206 0.93428 0.96266 0.89248 0.93340 0.92171 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 -0.20 -2.80 19.25 29.55 0.57 -2.23 16 2 C -0.19 -2.88 12.56 -37.12 -0.47 -3.34 16 3 C 0.22 3.09 5.29 -6.82 -0.04 3.05 16 4 N -0.60 -8.56 2.36 -169.38 -0.40 -8.96 16 5 C 0.52 7.55 6.46 -10.98 -0.07 7.48 16 6 O -0.54 -9.21 13.68 5.56 0.08 -9.13 16 7 C -0.11 -1.28 1.46 -91.77 -0.13 -1.42 16 8 H 0.10 1.20 7.40 -51.93 -0.38 0.81 16 9 C -0.15 -1.59 8.24 37.16 0.31 -1.29 16 10 C -0.07 -0.81 1.84 -90.62 -0.17 -0.98 16 11 H 0.09 1.14 8.02 -51.93 -0.42 0.72 16 12 C -0.15 -1.49 8.74 37.16 0.32 -1.17 16 13 C 0.06 0.76 5.06 37.16 0.19 0.95 16 14 O -0.39 -5.20 10.24 -35.23 -0.36 -5.56 16 15 C 0.03 0.34 11.01 101.05 1.11 1.46 16 16 C 0.13 2.01 1.52 -67.89 -0.10 1.91 16 17 C -0.14 -2.18 4.90 -26.61 -0.13 -2.31 16 18 C 0.15 2.78 6.51 -3.71 -0.02 2.76 16 19 N -0.59 -13.70 2.98 -172.29 -0.51 -14.22 16 20 C -0.26 -6.72 9.54 -15.06 -0.14 -6.86 16 21 H 0.06 1.57 7.83 -52.48 -0.41 1.16 16 22 C 0.01 0.30 5.17 -17.43 -0.09 0.21 16 23 N -0.90 -25.05 11.03 55.49 0.61 -24.44 16 24 Si 0.90 20.95 29.56 -169.99 -5.02 15.92 16 25 H -0.28 -6.45 7.11 56.52 0.40 -6.05 16 26 H -0.29 -6.79 7.11 56.52 0.40 -6.39 16 27 H -0.28 -6.51 7.11 56.52 0.40 -6.11 16 28 C 0.18 3.90 5.21 -3.69 -0.02 3.88 16 29 C -0.15 -2.66 5.06 -26.61 -0.13 -2.79 16 30 H 0.21 2.24 7.80 -54.08 -0.42 1.81 16 31 H 0.10 1.30 7.63 -51.93 -0.40 0.90 16 32 H 0.11 1.36 6.13 -51.93 -0.32 1.04 16 33 H 0.07 0.67 6.68 -51.93 -0.35 0.32 16 34 H 0.07 0.83 5.06 -51.93 -0.26 0.57 16 35 H 0.06 0.63 8.14 -51.93 -0.42 0.21 16 36 H 0.06 0.67 7.82 -51.93 -0.41 0.27 16 37 H 0.05 0.54 8.14 -51.93 -0.42 0.12 16 38 H 0.06 0.54 6.53 -51.93 -0.34 0.20 16 39 H 0.07 1.08 5.67 -51.93 -0.29 0.79 16 40 H 0.04 0.51 8.14 -51.93 -0.42 0.08 16 41 H 0.08 0.68 8.14 -51.93 -0.42 0.26 16 42 H 0.04 0.41 8.14 -51.93 -0.42 -0.02 16 43 H 0.04 0.35 8.14 -51.93 -0.42 -0.07 16 44 H 0.10 1.39 4.31 -51.93 -0.22 1.17 16 45 H 0.06 0.74 7.77 -51.93 -0.40 0.34 16 46 H 0.06 1.01 6.52 -51.93 -0.34 0.67 16 47 H 0.06 1.09 7.93 -51.93 -0.41 0.68 16 48 H 0.02 0.37 8.14 -51.93 -0.42 -0.05 16 49 H 0.26 6.92 8.31 -40.82 -0.34 6.58 16 50 H 0.02 0.44 8.14 -51.93 -0.42 0.02 16 51 H 0.09 2.28 6.26 -51.93 -0.33 1.96 16 52 H 0.05 0.85 8.14 -51.93 -0.42 0.42 16 53 H 0.06 1.15 7.32 -51.93 -0.38 0.77 16 LS Contribution 407.29 15.07 6.14 6.14 Total: -1.00 -30.23 407.29 -7.51 -37.74 By element: Atomic # 1 Polarization: 12.21 SS G_CDS: -9.02 Total: 3.19 kcal Atomic # 6 Polarization: -1.66 SS G_CDS: 0.98 Total: -0.68 kcal Atomic # 7 Polarization: -47.31 SS G_CDS: -0.30 Total: -47.61 kcal Atomic # 8 Polarization: -14.41 SS G_CDS: -0.28 Total: -14.70 kcal Atomic # 14 Polarization: 20.95 SS G_CDS: -5.02 Total: 15.92 kcal Total LS contribution 6.14 Total: 6.14 kcal Total: -30.23 -7.51 -37.74 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. ZINC001278157792.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 28.586 kcal (2) G-P(sol) polarization free energy of solvation -30.231 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -1.645 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.512 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -37.743 kcal (6) G-S(sol) free energy of system = (1) + (5) -9.157 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.99 seconds