Wall clock time and date at job start Sat Apr 11 2020 06:10:56 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 1.52997 * 1 3 3 O 1.42895 * 109.47503 * 2 1 4 4 C 1.42902 * 114.00370 * 179.97438 * 3 2 1 5 5 H 1.09006 * 109.46763 * 30.00224 * 4 3 2 6 6 C 1.50693 * 109.46967 * 269.99825 * 4 3 2 7 7 O 1.21273 * 120.00473 * 354.99811 * 6 4 3 8 8 N 1.34780 * 119.99580 * 174.99844 * 6 4 3 9 9 C 1.47424 * 125.64981 * 0.02562 * 8 6 4 10 10 C 1.54912 * 104.83065 * 204.09110 * 9 8 6 11 11 C 1.55155 * 101.58301 * 322.98918 * 10 9 8 12 12 H 1.08993 * 110.72376 * 277.13992 * 11 10 9 13 13 N 1.46499 * 110.71992 * 154.04133 * 11 10 9 14 14 C 1.36940 * 120.00137 * 86.45675 * 13 11 10 15 15 H 1.07998 * 119.99567 * 359.97438 * 14 13 11 16 16 C 1.38809 * 120.00305 * 179.97438 * 14 13 11 17 17 N 1.31617 * 120.00114 * 179.97438 * 16 14 13 18 18 Si 1.86799 * 119.99944 * 0.02562 * 16 14 13 19 19 H 1.48494 * 109.47708 * 89.99738 * 18 16 14 20 20 H 1.48500 * 109.46936 * 210.00114 * 18 16 14 21 21 H 1.48507 * 109.47109 * 329.99422 * 18 16 14 22 22 C 1.47029 * 125.64470 * 179.71660 * 8 6 4 23 23 H 1.08993 * 109.88260 * 298.39520 * 22 8 6 24 24 C 1.52997 * 109.88361 * 59.56202 * 22 8 6 25 25 C 1.53004 * 109.47098 * 149.99756 * 4 3 2 26 26 C 1.53177 * 109.54318 * 59.82312 * 25 4 3 27 27 C 1.53105 * 109.15754 * 183.23742 * 26 25 4 28 28 O 1.42904 * 109.48317 * 57.47760 * 27 26 25 29 29 C 1.42902 * 114.09723 * 298.88641 * 28 27 26 30 30 C 1.53090 * 109.41836 * 61.16287 * 29 28 27 31 31 H 1.09002 * 109.47153 * 60.00043 * 1 2 3 32 32 H 1.09001 * 109.46832 * 300.00234 * 1 2 3 33 33 H 1.09004 * 109.47261 * 180.02562 * 1 2 3 34 34 H 1.09002 * 109.47153 * 119.99957 * 2 1 3 35 35 H 1.08998 * 109.47533 * 239.99586 * 2 1 3 36 36 H 1.08993 * 110.36727 * 322.92917 * 9 8 6 37 37 H 1.09002 * 110.36585 * 85.14899 * 9 8 6 38 38 H 1.08999 * 111.00508 * 81.06828 * 10 9 8 39 39 H 1.08998 * 111.00530 * 204.88040 * 10 9 8 40 40 H 0.97005 * 120.00485 * 266.45298 * 13 11 10 41 41 H 0.96995 * 119.99906 * 180.02562 * 17 16 14 42 42 H 1.09003 * 109.47135 * 58.54241 * 24 22 8 43 43 H 1.08995 * 109.47287 * 178.54167 * 24 22 8 44 44 H 1.09001 * 109.46852 * 298.54497 * 24 22 8 45 45 H 1.09001 * 109.54214 * 180.02562 * 25 4 3 46 46 H 1.08997 * 109.52413 * 303.06118 * 26 25 4 47 47 H 1.09004 * 109.52152 * 63.24767 * 26 25 4 48 48 H 1.08994 * 109.40551 * 297.50121 * 27 26 25 49 49 H 1.08992 * 109.49331 * 177.50580 * 27 26 25 50 50 H 1.08998 * 109.48716 * 301.17736 * 29 28 27 51 51 H 1.09008 * 109.49247 * 181.14623 * 29 28 27 52 52 H 1.08998 * 109.52599 * 182.48625 * 30 29 28 53 53 H 1.09000 * 109.57274 * 62.32136 * 30 29 28 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 8 2.0064 1.3472 0.0000 4 6 3.4309 1.4600 0.0006 5 1 3.8636 0.6014 -0.5130 6 6 3.9310 1.4999 1.4216 7 8 3.1416 1.5295 2.3417 8 7 5.2558 1.5028 1.6698 9 6 6.3209 1.4701 0.6511 10 6 7.5506 0.8756 1.3822 11 6 7.4067 1.5026 2.7941 12 1 7.8233 2.5096 2.8133 13 7 8.0498 0.6583 3.8041 14 6 9.3859 0.8026 4.0671 15 1 9.9656 1.5384 3.5297 16 6 9.9951 0.0030 5.0244 17 7 11.2795 0.1413 5.2768 18 14 8.9925 -1.2702 5.9534 19 1 9.0235 -2.5589 5.2163 20 1 9.5686 -1.4611 7.3087 21 1 7.5881 -0.8025 6.0740 22 6 5.8779 1.5456 3.0013 23 1 5.5969 2.4664 3.5123 24 6 5.4324 0.3343 3.8230 25 6 3.8410 2.7455 -0.7208 26 6 3.2302 3.9530 -0.0030 27 6 3.5785 5.2270 -0.7775 28 8 3.1017 5.1141 -2.1199 29 6 3.6758 4.0308 -2.8539 30 6 3.3296 2.7086 -2.1642 31 1 -0.3633 0.5138 -0.8900 32 1 -0.3633 0.5139 0.8900 33 1 -0.3634 -1.0277 0.0005 34 1 1.8933 -0.5138 0.8900 35 1 1.8934 -0.5139 -0.8899 36 1 6.0294 0.8308 -0.1821 37 1 6.5386 2.4778 0.2973 38 1 7.4892 -0.2116 1.4293 39 1 8.4787 1.1922 0.9063 40 1 7.5291 -0.0028 4.2866 41 1 11.7052 -0.4176 5.9454 42 1 5.7118 -0.5811 3.3014 43 1 5.9174 0.3590 4.7988 44 1 4.3507 0.3622 3.9540 45 1 4.9276 2.8325 -0.7214 46 1 2.1470 3.8403 0.0421 47 1 3.6329 4.0180 1.0078 48 1 4.6601 5.3612 -0.7861 49 1 3.1095 6.0850 -0.2961 50 1 4.7588 4.1494 -2.8897 51 1 3.2769 4.0269 -3.8683 52 1 3.8034 1.8845 -2.6976 53 1 2.2486 2.5690 -2.1642 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 ZINC001179264452.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 06:10:56 Heat of formation + Delta-G solvation = -110.073930 kcal Electronic energy + Delta-G solvation = -32286.842693 eV Core-core repulsion = 28159.107271 eV Total energy + Delta-G solvation = -4127.735422 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.99 seconds Orbital eigenvalues (eV) -40.82818 -39.37415 -38.34918 -37.02687 -34.82369 -34.15158 -31.84382 -31.36709 -31.28105 -30.91432 -29.72820 -27.73962 -25.57480 -24.29973 -23.82670 -23.08767 -22.93897 -22.44637 -20.31084 -19.92083 -18.87284 -18.02239 -17.32872 -16.94349 -16.61637 -16.14697 -15.69019 -15.60241 -15.42770 -15.01450 -14.72948 -14.46949 -14.29695 -14.00375 -13.88715 -13.73388 -13.27797 -12.99805 -12.78466 -12.65522 -12.53254 -12.32168 -12.20626 -12.18295 -11.95180 -11.75671 -11.52760 -11.47178 -11.45145 -11.30471 -11.21908 -10.96787 -10.92216 -10.64582 -10.45932 -10.41785 -10.35918 -10.10550 -9.80582 -9.65382 -9.18081 -9.03265 -8.55684 -7.39133 -5.86778 -3.23846 2.59382 2.86101 3.30204 3.33066 3.39345 3.46428 3.65071 4.21605 4.32642 4.46864 4.50070 4.62364 4.71755 4.80456 4.84525 4.87011 4.99037 5.01081 5.07329 5.09905 5.16273 5.19286 5.23928 5.30669 5.36567 5.38166 5.42849 5.45237 5.47562 5.50203 5.59162 5.63848 5.71779 5.77507 5.80006 5.83593 5.90196 5.92941 5.96054 6.09878 6.16608 6.31637 6.42835 6.48766 6.51128 6.76969 6.87356 6.95887 7.59781 7.88187 8.21722 8.32059 9.09269 9.81556 10.00122 11.31094 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015015 B = 0.003128 C = 0.002765 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1864.340957 B = 8948.781823 C =10125.636784 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.148 4.148 2 C 0.055 3.945 3 O -0.350 6.350 4 C 0.086 3.914 5 H 0.083 0.917 6 C 0.506 3.494 7 O -0.526 6.526 8 N -0.608 5.608 9 C 0.094 3.906 10 C -0.152 4.152 11 C 0.180 3.820 12 H 0.071 0.929 13 N -0.741 5.741 14 C -0.249 4.249 15 H 0.092 0.908 16 C 0.010 3.990 17 N -0.930 5.930 18 Si 0.878 3.122 19 H -0.283 1.283 20 H -0.289 1.289 21 H -0.276 1.276 22 C 0.127 3.873 23 H 0.075 0.925 24 C -0.164 4.164 25 C -0.083 4.083 26 C -0.147 4.147 27 C 0.062 3.938 28 O -0.383 6.383 29 C 0.062 3.938 30 C -0.148 4.148 31 H 0.061 0.939 32 H 0.065 0.935 33 H 0.069 0.931 34 H 0.051 0.949 35 H 0.047 0.953 36 H 0.068 0.932 37 H 0.069 0.931 38 H 0.074 0.926 39 H 0.082 0.918 40 H 0.367 0.633 41 H 0.261 0.739 42 H 0.055 0.945 43 H 0.073 0.927 44 H 0.064 0.936 45 H 0.091 0.909 46 H 0.084 0.916 47 H 0.073 0.927 48 H 0.050 0.950 49 H 0.094 0.906 50 H 0.050 0.950 51 H 0.093 0.907 52 H 0.072 0.928 53 H 0.083 0.917 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -17.868 3.793 -17.519 25.310 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 -0.205 4.205 2 C -0.022 4.022 3 O -0.268 6.268 4 C 0.024 3.976 5 H 0.100 0.900 6 C 0.293 3.707 7 O -0.401 6.401 8 N -0.344 5.344 9 C -0.029 4.029 10 C -0.193 4.193 11 C 0.069 3.931 12 H 0.089 0.911 13 N -0.386 5.386 14 C -0.379 4.379 15 H 0.110 0.890 16 C -0.187 4.187 17 N -0.577 5.577 18 Si 0.708 3.292 19 H -0.210 1.210 20 H -0.215 1.215 21 H -0.202 1.202 22 C 0.023 3.977 23 H 0.093 0.907 24 C -0.222 4.222 25 C -0.102 4.102 26 C -0.185 4.185 27 C -0.015 4.015 28 O -0.302 6.302 29 C -0.015 4.015 30 C -0.185 4.185 31 H 0.081 0.919 32 H 0.084 0.916 33 H 0.088 0.912 34 H 0.069 0.931 35 H 0.065 0.935 36 H 0.086 0.914 37 H 0.087 0.913 38 H 0.093 0.907 39 H 0.100 0.900 40 H 0.204 0.796 41 H 0.071 0.929 42 H 0.074 0.926 43 H 0.091 0.909 44 H 0.083 0.917 45 H 0.110 0.890 46 H 0.102 0.898 47 H 0.091 0.909 48 H 0.068 0.932 49 H 0.112 0.888 50 H 0.068 0.932 51 H 0.111 0.889 52 H 0.091 0.909 53 H 0.101 0.899 Dipole moment (debyes) X Y Z Total from point charges -18.407 4.155 -17.071 25.446 hybrid contribution -0.043 -1.592 0.907 1.833 sum -18.451 2.563 -16.164 24.663 Atomic orbital electron populations 1.21695 0.93435 1.02164 1.03176 1.22568 0.95946 0.83651 0.99997 1.87977 1.17965 1.26468 1.94348 1.21937 0.83568 0.99628 0.92464 0.89967 1.20879 0.80959 0.76924 0.91909 1.90691 1.54283 1.49155 1.46015 1.48665 1.04674 1.72578 1.08503 1.22485 0.88380 1.00609 0.91405 1.23515 0.95894 1.01419 0.98480 1.21128 0.88392 0.95264 0.88360 0.91061 1.42959 1.08230 1.42797 1.44577 1.19048 0.83353 1.17606 1.17866 0.89016 1.24645 0.95574 0.99384 0.99073 1.69686 1.09192 1.42409 1.36403 0.86668 0.79837 0.82553 0.80101 1.20965 1.21499 1.20205 1.21826 0.94135 0.98959 0.82735 0.90705 1.22078 1.01953 0.97601 1.00557 1.21373 1.00826 0.92979 0.95017 1.22169 1.03154 0.93937 0.99226 1.22589 0.98678 0.97755 0.82428 1.87932 1.67584 1.50053 1.24596 1.22558 0.97661 0.85886 0.95408 1.22203 1.03365 0.98388 0.94585 0.91950 0.91594 0.91182 0.93106 0.93514 0.91401 0.91297 0.90719 0.89990 0.79616 0.92906 0.92631 0.90875 0.91684 0.89050 0.89765 0.90869 0.93155 0.88768 0.93150 0.88856 0.90933 0.89860 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 -1.27 10.28 37.16 0.38 -0.89 16 2 C 0.05 0.56 6.46 37.16 0.24 0.80 16 3 O -0.35 -4.22 8.08 -55.09 -0.44 -4.66 16 4 C 0.09 0.95 1.62 -27.88 -0.05 0.90 16 5 H 0.08 0.77 7.26 -51.93 -0.38 0.39 16 6 C 0.51 7.26 5.79 -10.99 -0.06 7.20 16 7 O -0.53 -9.47 15.39 -14.30 -0.22 -9.69 16 8 N -0.61 -8.41 3.08 -163.01 -0.50 -8.91 16 9 C 0.09 1.07 5.34 -2.53 -0.01 1.06 16 10 C -0.15 -2.23 6.77 -24.58 -0.17 -2.40 16 11 C 0.18 3.18 3.44 -66.09 -0.23 2.95 16 12 H 0.07 1.28 8.12 -51.93 -0.42 0.85 16 13 N -0.74 -16.48 4.83 -51.65 -0.25 -16.73 16 14 C -0.25 -6.65 10.46 -15.06 -0.16 -6.81 16 15 H 0.09 2.60 8.06 -52.49 -0.42 2.18 16 16 C 0.01 0.27 5.50 -17.43 -0.10 0.18 16 17 N -0.93 -28.32 13.97 55.49 0.78 -27.54 16 18 Si 0.88 21.51 27.74 -169.99 -4.71 16.79 16 19 H -0.28 -6.89 7.11 56.52 0.40 -6.48 16 20 H -0.29 -7.20 7.11 56.52 0.40 -6.80 16 21 H -0.28 -6.37 6.52 56.52 0.37 -6.00 16 22 C 0.13 2.07 3.49 -66.94 -0.23 1.83 16 23 H 0.07 1.25 8.14 -51.93 -0.42 0.83 16 24 C -0.16 -2.82 7.94 37.16 0.30 -2.53 16 25 C -0.08 -0.78 2.03 -90.43 -0.18 -0.96 16 26 C -0.15 -1.56 5.01 -26.59 -0.13 -1.70 16 27 C 0.06 0.58 6.84 37.21 0.25 0.84 16 28 O -0.38 -3.98 10.77 -35.23 -0.38 -4.36 16 29 C 0.06 0.48 6.84 37.20 0.25 0.74 16 30 C -0.15 -1.16 5.32 -26.59 -0.14 -1.31 16 31 H 0.06 0.50 8.14 -51.93 -0.42 0.07 16 32 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 33 H 0.07 0.48 8.14 -51.93 -0.42 0.06 16 34 H 0.05 0.59 8.14 -51.93 -0.42 0.17 16 35 H 0.05 0.38 8.09 -51.93 -0.42 -0.03 16 36 H 0.07 0.62 7.33 -51.93 -0.38 0.24 16 37 H 0.07 0.67 7.16 -51.93 -0.37 0.30 16 38 H 0.07 1.18 8.14 -51.93 -0.42 0.76 16 39 H 0.08 1.17 8.14 -51.93 -0.42 0.75 16 40 H 0.37 8.16 2.83 -40.82 -0.12 8.05 16 41 H 0.26 7.59 8.31 -40.82 -0.34 7.25 16 42 H 0.05 0.95 8.06 -51.93 -0.42 0.53 16 43 H 0.07 1.35 6.74 -51.93 -0.35 1.00 16 44 H 0.06 1.14 6.74 -51.93 -0.35 0.79 16 45 H 0.09 0.78 5.56 -51.93 -0.29 0.49 16 46 H 0.08 1.03 7.60 -51.93 -0.39 0.64 16 47 H 0.07 0.88 7.35 -51.93 -0.38 0.50 16 48 H 0.05 0.43 8.14 -51.93 -0.42 0.00 16 49 H 0.09 0.81 8.14 -51.93 -0.42 0.38 16 50 H 0.05 0.35 8.14 -51.93 -0.42 -0.08 16 51 H 0.09 0.59 8.14 -51.92 -0.42 0.17 16 52 H 0.07 0.45 8.14 -51.93 -0.42 0.03 16 53 H 0.08 0.76 7.60 -51.93 -0.39 0.37 16 LS Contribution 402.22 15.07 6.06 6.06 Total: -1.00 -32.49 402.22 -9.04 -41.53 By element: Atomic # 1 Polarization: 16.95 SS G_CDS: -9.33 Total: 7.62 kcal Atomic # 6 Polarization: -0.07 SS G_CDS: -0.04 Total: -0.10 kcal Atomic # 7 Polarization: -53.21 SS G_CDS: 0.02 Total: -53.18 kcal Atomic # 8 Polarization: -17.68 SS G_CDS: -1.04 Total: -18.72 kcal Atomic # 14 Polarization: 21.51 SS G_CDS: -4.71 Total: 16.79 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -32.49 -9.04 -41.53 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. ZINC001179264452.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 -68.546 kcal (2) G-P(sol) polarization free energy of solvation -32.490 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -101.036 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.038 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.528 kcal (6) G-S(sol) free energy of system = (1) + (5) -110.074 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.99 seconds