Wall clock time and date at job start Tue Mar 9 2021 13:49:51 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= 0 * AM1 - THE AM1 HAMILTONIAN TO BE USED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 O 2 2 C 1.42895 * 1 3 3 Si 1.86299 * 109.47004 * 2 1 4 4 C 1.50706 * 109.47147 * 119.99485 * 2 1 3 5 5 C 1.38258 * 119.94528 * 244.72952 * 4 2 1 6 6 C 1.38146 * 120.05422 * 179.72537 * 5 4 2 7 7 C 1.38731 * 119.94413 * 0.54550 * 6 5 4 8 8 O 1.35904 * 120.05682 * 179.75014 * 7 6 5 9 9 C 1.42900 * 116.99972 * 359.97438 * 8 7 6 10 10 C 1.50696 * 109.47134 * 180.02562 * 9 8 7 11 11 C 1.36420 * 125.79946 * 89.71641 * 10 9 8 12 12 C 1.47378 * 127.19263 * 0.02562 * 11 10 9 13 13 O 1.21609 * 120.00075 * 359.97438 * 12 11 10 14 14 N 1.34773 * 119.99994 * 179.97438 * 12 11 10 15 15 C 1.46494 * 119.99922 * 179.97438 * 14 12 11 16 16 H 1.08994 * 112.85666 * 334.66763 * 15 14 12 17 17 C 1.53782 * 113.61284 * 105.86518 * 15 14 12 18 18 C 1.54044 * 86.98870 * 89.15974 * 17 15 14 19 19 H 1.09002 * 113.61505 * 270.88330 * 18 17 15 20 20 C 1.50706 * 113.69875 * 139.98662 * 18 17 15 21 21 C 1.38214 * 119.96796 * 322.19840 * 20 18 17 22 22 C 1.38319 * 120.01207 * 179.76138 * 21 20 18 23 23 Cl 1.73601 * 120.02806 * 180.24757 * 22 21 20 24 24 C 1.38551 * 119.94973 * 0.51232 * 22 21 20 25 25 F 1.35096 * 120.03197 * 179.76637 * 24 22 21 26 26 C 1.38441 * 119.93819 * 359.73804 * 24 22 21 27 27 C 1.38203 * 119.98830 * 0.02562 * 26 24 22 28 28 C 1.53785 * 113.61565 * 203.46984 * 15 14 12 29 29 C 1.47028 * 105.61205 * 179.86928 * 11 10 9 30 30 C 1.34173 * 105.95490 * 0.39383 * 29 11 10 31 31 O 1.33649 * 125.80242 * 270.03095 * 10 9 8 32 32 C 1.38733 * 119.88899 * 359.72882 * 7 6 5 33 33 C 1.38152 * 119.94016 * 359.97438 * 32 7 6 34 34 H 0.96700 * 113.99916 * 60.00213 * 1 2 3 35 35 H 1.09000 * 109.47736 * 240.00116 * 2 1 3 36 36 H 1.48501 * 109.99913 * 298.67728 * 3 2 1 37 37 H 1.48502 * 110.00097 * 59.99768 * 3 2 1 38 38 H 1.08007 * 119.97408 * 359.97438 * 5 4 2 39 39 H 1.08001 * 120.02729 * 180.28121 * 6 5 4 40 40 H 1.08999 * 109.47032 * 300.00323 * 9 8 7 41 41 H 1.09004 * 109.46743 * 59.99949 * 9 8 7 42 42 H 0.97008 * 119.99910 * 359.97438 * 14 12 11 43 43 H 1.09004 * 113.61624 * 203.66123 * 17 15 14 44 44 H 1.09003 * 113.61511 * 334.56228 * 17 15 14 45 45 H 1.07997 * 119.99623 * 359.97438 * 21 20 18 46 46 H 1.08005 * 120.00810 * 179.97438 * 26 24 22 47 47 H 1.07997 * 119.97268 * 179.97438 * 27 26 24 48 48 H 1.08997 * 113.61472 * 25.43075 * 28 15 14 49 49 H 1.08994 * 113.61427 * 156.33974 * 28 15 14 50 50 H 1.07997 * 127.01571 * 180.11311 * 29 11 10 51 51 H 1.08003 * 125.43865 * 179.79126 * 30 29 11 52 52 H 1.07994 * 120.02980 * 179.97438 * 32 7 6 53 53 H 1.08003 * 119.96457 * 179.97438 * 33 32 7 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 8 0.0000 0.0000 0.0000 2 6 1.4290 0.0000 0.0000 3 14 2.0499 1.7565 0.0000 4 6 1.9313 -0.7103 1.2306 5 6 2.6435 -0.0121 2.1881 6 6 3.1002 -0.6597 3.3196 7 6 2.8534 -2.0143 3.4894 8 8 3.3059 -2.6548 4.5993 9 6 4.0296 -1.8715 5.5506 10 6 4.4489 -2.7446 6.7051 11 6 5.6140 -3.4491 6.7907 12 6 6.6954 -3.5074 5.7911 13 8 6.5987 -2.8807 4.7535 14 7 7.7915 -4.2553 6.0270 15 6 8.8661 -4.3137 5.0331 16 1 8.5184 -4.1073 4.0210 17 6 10.1167 -3.5117 5.4303 18 6 10.6175 -4.7920 6.1253 19 1 10.2967 -4.8794 7.1634 20 6 12.0930 -5.0411 5.9458 21 6 12.7005 -4.7501 4.7390 22 6 14.0556 -4.9737 4.5748 23 17 14.8203 -4.6024 3.0612 24 6 14.8012 -5.4994 5.6176 25 9 16.1239 -5.7229 5.4576 26 6 14.1895 -5.7950 6.8239 27 6 12.8364 -5.5660 6.9867 28 6 9.7360 -5.5774 5.1399 29 6 5.5670 -4.1351 8.0904 30 6 4.3958 -3.7905 8.6471 31 8 3.7400 -2.9650 7.8165 32 6 2.1434 -2.7139 2.5245 33 6 1.6836 -2.0603 1.3976 34 1 -0.3933 0.4417 -0.7651 35 1 1.7924 -0.5138 -0.8900 36 1 1.5878 2.4585 -1.2243 37 1 1.5613 2.4679 1.2085 38 1 2.8396 1.0414 2.0532 39 1 3.6526 -0.1129 4.0695 40 1 4.9145 -1.4487 5.0751 41 1 3.3935 -1.0655 5.9165 42 1 7.8688 -4.7549 6.8549 43 1 10.7287 -3.2081 4.5810 44 1 9.9095 -2.6921 6.1185 45 1 12.1178 -4.3449 3.9250 46 1 14.7696 -6.2052 7.6374 47 1 12.3594 -5.7970 7.9277 48 1 9.2216 -6.4244 5.5938 49 1 10.2440 -5.8374 4.2113 50 1 6.3193 -4.7870 8.5090 51 1 4.0382 -4.1238 9.6101 52 1 1.9503 -3.7685 2.6541 53 1 1.1311 -2.6046 0.6459 There are 80 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 80 No. of singly occupied orbitals= 1 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). Si: (AM1): M.J.S.DEWAR, C. JIE, ORGANOMETALLICS, 6, 1486-1490 (1987). Cl: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER s_22_10156534_4549634.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 9 2021 13:49:51 Heat of formation + Delta-G solvation = -43.049501 kcal Electronic energy + Delta-G solvation = -41049.758850 eV Core-core repulsion = 35375.960898 eV Total energy + Delta-G solvation = -5673.797952 eV No. of doubly occupied orbitals = 80 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 458.117 amu Computer time = 2.03 seconds Orbital eigenvalues (eV) -50.03673 -43.69726 -41.56028 -41.27896 -40.27647 -39.18477 -38.76634 -37.56013 -37.38075 -34.78491 -33.83615 -32.86765 -32.00116 -31.99417 -31.48315 -31.42210 -28.00129 -26.68715 -26.41669 -26.05694 -24.75151 -24.12782 -23.80140 -22.86190 -22.31561 -22.10126 -21.04042 -20.13706 -19.49746 -19.20510 -18.90451 -18.54238 -17.83052 -17.62605 -17.37497 -17.14613 -16.99032 -16.84783 -16.78860 -16.77413 -16.59583 -15.99742 -15.90489 -15.69669 -15.61499 -15.44714 -15.12352 -14.82421 -14.66895 -14.49577 -14.39928 -14.30747 -14.16082 -14.04108 -14.00790 -13.81714 -13.78242 -13.53332 -13.49532 -13.43321 -13.05786 -12.60258 -12.51403 -12.50411 -12.23351 -12.15974 -11.92698 -11.88655 -11.74202 -11.62360 -11.25006 -11.13440 -10.93690 -10.47444 -10.13487 -10.05817 -10.01998 -9.80284 -9.57555 -9.24488 -4.92699 -0.11422 -0.01751 0.02873 0.25368 0.29007 0.94751 1.06422 1.30396 1.53663 1.58624 1.93088 2.05024 2.14409 2.34258 2.48143 2.59712 3.04654 3.35161 3.42234 3.43382 3.59001 3.61767 3.65730 3.68919 3.71376 3.76843 3.81038 3.93282 3.94255 3.96058 4.05471 4.11500 4.12518 4.26992 4.27582 4.39687 4.44780 4.47482 4.48113 4.58686 4.66599 4.70336 4.78362 4.82996 4.85830 4.87413 4.89243 4.94172 4.97896 5.06045 5.07004 5.13766 5.18478 5.23699 5.30138 5.40595 5.47592 5.60642 5.66843 5.68215 5.91588 6.24985 6.48326 6.60772 7.15240 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 O -0.559 6.559 2 C -0.080 4.080 3 Si 0.758 3.242 4 C -0.123 4.123 5 C -0.080 4.080 6 C -0.205 4.205 7 C 0.125 3.875 8 O -0.321 6.321 9 C 0.134 3.866 10 C 0.038 3.962 11 C -0.221 4.221 12 C 0.586 3.414 13 O -0.569 6.569 14 N -0.688 5.688 15 C 0.115 3.885 16 H 0.085 0.915 17 C -0.144 4.144 18 C -0.060 4.060 19 H 0.128 0.872 20 C -0.064 4.064 21 C -0.084 4.084 22 C -0.087 4.087 23 Cl -0.065 7.065 24 C 0.077 3.923 25 F -0.143 7.143 26 C -0.140 4.140 27 C -0.074 4.074 28 C -0.126 4.126 29 C -0.193 4.193 30 C -0.015 4.015 31 O -0.180 6.180 32 C -0.162 4.162 33 C -0.059 4.059 34 H 0.394 0.606 35 H 0.095 0.905 36 H -0.284 1.284 37 H -0.297 1.297 38 H 0.145 0.855 39 H 0.149 0.851 40 H 0.110 0.890 41 H 0.096 0.904 42 H 0.417 0.583 43 H 0.095 0.905 44 H 0.072 0.928 45 H 0.152 0.848 46 H 0.161 0.839 47 H 0.172 0.828 48 H 0.093 0.907 49 H 0.100 0.900 50 H 0.196 0.804 51 H 0.251 0.749 52 H 0.136 0.864 53 H 0.142 0.858 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.601 -2.343 6.141 6.600 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 O -0.369 6.369 2 C -0.189 4.189 3 Si 0.664 3.336 4 C -0.124 4.124 5 C -0.097 4.097 6 C -0.223 4.223 7 C 0.080 3.920 8 O -0.235 6.235 9 C 0.059 3.941 10 C -0.015 4.015 11 C -0.226 4.226 12 C 0.375 3.625 13 O -0.450 6.450 14 N -0.339 5.339 15 C 0.009 3.991 16 H 0.103 0.897 17 C -0.182 4.182 18 C -0.078 4.078 19 H 0.146 0.854 20 C -0.065 4.065 21 C -0.103 4.103 22 C -0.114 4.114 23 Cl -0.036 7.036 24 C 0.057 3.943 25 F -0.122 7.122 26 C -0.158 4.158 27 C -0.091 4.091 28 C -0.164 4.164 29 C -0.212 4.212 30 C -0.080 4.080 31 O -0.076 6.076 32 C -0.180 4.180 33 C -0.077 4.077 34 H 0.244 0.756 35 H 0.113 0.887 36 H -0.211 1.211 37 H -0.225 1.225 38 H 0.162 0.838 39 H 0.166 0.834 40 H 0.128 0.872 41 H 0.114 0.886 42 H 0.255 0.745 43 H 0.113 0.887 44 H 0.091 0.909 45 H 0.170 0.830 46 H 0.179 0.821 47 H 0.189 0.811 48 H 0.112 0.888 49 H 0.118 0.882 50 H 0.213 0.787 51 H 0.266 0.734 52 H 0.154 0.846 53 H 0.160 0.840 Dipole moment (debyes) X Y Z Total from point charges 0.265 -1.455 5.924 6.105 hybrid contribution -0.354 -0.220 -0.483 0.638 sum -0.088 -1.675 5.440 5.693 Atomic orbital electron populations 1.86550 1.18631 1.80660 1.51019 1.24925 0.83943 1.11664 0.98326 0.94161 0.90537 0.72428 0.76518 1.19416 1.01521 0.94446 0.96967 1.20993 0.96275 0.99998 0.92454 1.21383 1.06348 0.93481 1.01132 1.19153 0.94521 0.91624 0.86726 1.86047 1.69042 1.38850 1.29583 1.21154 0.98185 0.90766 0.83965 1.22041 0.90984 1.00399 0.88047 1.21378 0.97204 1.05276 0.98705 1.17393 0.81541 0.78768 0.84836 1.90786 1.80366 1.45826 1.27985 1.45280 1.17453 1.48681 1.22531 1.21864 0.86271 0.98156 0.92780 0.89719 1.23623 0.96298 0.96977 1.01340 1.21703 0.88409 0.96356 1.01363 0.85404 1.19890 0.96458 0.97805 0.92339 1.21011 0.90859 0.99031 0.99382 1.21190 0.94927 1.07066 0.88226 1.98401 1.81762 1.93134 1.30280 1.17849 0.78021 1.02992 0.95438 1.91512 1.32002 1.92569 1.96127 1.21458 0.96816 1.01979 0.95574 1.21422 0.91962 0.95529 1.00223 1.23402 0.95993 0.96393 1.00607 1.23269 1.00648 1.04457 0.92816 1.24921 0.92778 0.93092 0.97240 1.83796 1.44647 1.53861 1.25271 1.20632 1.02150 1.01188 0.94048 1.20974 0.96430 0.93889 0.96367 0.75553 0.88733 1.21078 1.22499 0.83774 0.83368 0.87205 0.88581 0.74547 0.88666 0.90895 0.83031 0.82098 0.81069 0.88819 0.88184 0.78701 0.73354 0.84580 0.84029 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 O -0.56 -2.15 12.81 -148.98 -1.91 -4.06 16 2 C -0.08 -0.11 2.79 71.24 0.20 0.09 16 3 Si 0.76 -0.25 29.84 68.60 2.05 1.80 16 4 C -0.12 -0.65 5.39 -19.85 -0.11 -0.75 16 5 C -0.08 -0.35 8.66 22.25 0.19 -0.16 16 6 C -0.20 -1.10 9.04 22.37 0.20 -0.90 16 7 C 0.12 1.06 6.69 22.51 0.15 1.21 16 8 O -0.32 -3.07 10.12 -92.47 -0.94 -4.00 16 9 C 0.13 0.66 4.73 71.23 0.34 0.99 16 10 C 0.04 0.17 7.00 25.26 0.18 0.35 16 11 C -0.22 -0.42 6.31 -18.99 -0.12 -0.54 16 12 C 0.59 2.18 7.81 86.65 0.68 2.86 16 13 O -0.57 -6.39 14.47 -4.06 -0.06 -6.45 16 14 N -0.69 2.83 5.26 -443.36 -2.33 0.50 16 15 C 0.11 -0.48 4.29 45.52 0.20 -0.29 16 16 H 0.08 0.09 7.50 -2.39 -0.02 0.08 16 17 C -0.14 0.86 7.27 31.21 0.23 1.08 16 18 C -0.06 0.59 3.87 -10.92 -0.04 0.55 16 19 H 0.13 -1.80 8.09 -2.39 -0.02 -1.82 16 20 C -0.06 0.40 5.29 -19.86 -0.11 0.30 16 21 C -0.08 0.20 8.38 22.28 0.19 0.39 16 22 C -0.09 -0.21 6.33 22.36 0.14 -0.07 16 23 Cl -0.06 -0.32 28.62 -2.72 -0.08 -0.40 16 24 C 0.08 0.23 7.28 22.39 0.16 0.39 16 25 F -0.14 -1.03 16.84 44.97 0.76 -0.27 16 26 C -0.14 0.43 10.03 22.31 0.22 0.66 16 27 C -0.07 0.54 9.71 22.27 0.22 0.75 16 28 C -0.13 1.11 7.29 31.12 0.23 1.34 16 29 C -0.19 1.12 10.60 23.65 0.25 1.37 16 30 C -0.01 0.08 12.03 66.89 0.80 0.89 16 31 O -0.18 -0.37 10.52 4.46 0.05 -0.33 16 32 C -0.16 -1.23 9.99 22.37 0.22 -1.00 16 33 C -0.06 -0.35 9.68 22.25 0.22 -0.13 16 34 H 0.39 -1.74 8.74 -74.06 -0.65 -2.39 16 35 H 0.09 -0.25 7.96 -2.39 -0.02 -0.27 16 36 H -0.28 -0.94 7.11 99.48 0.71 -0.23 16 37 H -0.30 -1.96 7.05 99.48 0.70 -1.25 16 38 H 0.15 0.04 4.86 -2.91 -0.01 0.02 16 39 H 0.15 0.14 6.30 -2.91 -0.02 0.12 16 40 H 0.11 0.61 6.02 -2.39 -0.01 0.59 16 41 H 0.10 0.08 7.66 -2.39 -0.02 0.07 16 42 H 0.42 -4.43 7.88 -92.70 -0.73 -5.16 16 43 H 0.09 -0.52 6.34 -2.39 -0.02 -0.54 16 44 H 0.07 -0.31 8.14 -2.39 -0.02 -0.33 16 45 H 0.15 -0.70 6.68 -2.91 -0.02 -0.72 16 46 H 0.16 -1.09 8.06 -2.91 -0.02 -1.11 16 47 H 0.17 -2.36 8.05 -2.91 -0.02 -2.38 16 48 H 0.09 -1.01 8.14 -2.39 -0.02 -1.03 16 49 H 0.10 -0.81 7.71 -2.39 -0.02 -0.82 16 50 H 0.20 -2.69 7.74 -2.91 -0.02 -2.71 16 51 H 0.25 -3.60 8.06 -2.91 -0.02 -3.62 16 52 H 0.14 0.78 8.06 -2.91 -0.02 0.75 16 53 H 0.14 0.41 8.06 -2.91 -0.02 0.39 16 Total: 0.00 -28.06 463.13 1.85 -26.21 By element: Atomic # 1 Polarization: -22.05 SS G_CDS: -0.32 Total: -22.37 kcal Atomic # 6 Polarization: 4.73 SS G_CDS: 4.64 Total: 9.37 kcal Atomic # 7 Polarization: 2.83 SS G_CDS: -2.33 Total: 0.50 kcal Atomic # 8 Polarization: -11.98 SS G_CDS: -2.86 Total: -14.84 kcal Atomic # 9 Polarization: -1.03 SS G_CDS: 0.76 Total: -0.27 kcal Atomic # 14 Polarization: -0.25 SS G_CDS: 2.05 Total: 1.80 kcal Atomic # 17 Polarization: -0.32 SS G_CDS: -0.08 Total: -0.40 kcal Total: -28.06 1.85 -26.21 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. s_22_10156534_4549634.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 -16.843 kcal (2) G-P(sol) polarization free energy of solvation -28.059 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -44.901 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 1.852 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -26.207 kcal (6) G-S(sol) free energy of system = (1) + (5) -43.050 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.03 seconds