Wall clock time and date at job start Sat Apr 11 2020 06:12:09 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 C 1.53004 * 109.46973 * 2 1 4 4 H 1.08999 * 109.47227 * 304.99491 * 3 2 1 5 5 O 1.42900 * 109.47111 * 65.00039 * 3 2 1 6 6 C 1.53004 * 109.46675 * 184.99522 * 3 2 1 7 7 N 1.46902 * 109.46800 * 179.32482 * 6 3 2 8 8 C 1.48475 * 111.00019 * 296.57073 * 7 6 3 9 9 C 1.54190 * 111.97122 * 192.45884 * 8 7 6 10 10 O 1.39980 * 113.26970 * 318.70173 * 9 8 7 11 11 C 1.44612 * 112.93704 * 94.39681 * 10 9 8 12 12 C 1.46308 * 111.22059 * 280.77753 * 11 10 9 13 13 C 1.54588 * 112.56104 * 182.42655 * 12 11 10 14 14 C 1.51296 * 104.28191 * 145.18490 * 13 12 11 15 15 O 1.21278 * 124.94205 * 164.08391 * 14 13 12 16 16 N 1.34431 * 110.11450 * 344.22683 * 14 13 12 17 17 C 1.46507 * 124.34857 * 179.45468 * 16 14 13 18 18 C 1.52998 * 109.47249 * 269.70114 * 17 16 14 19 19 C 1.50697 * 109.46891 * 179.97438 * 18 17 16 20 20 H 1.07993 * 120.00218 * 359.97438 * 19 18 17 21 21 C 1.37881 * 120.00034 * 180.02562 * 19 18 17 22 22 N 1.31518 * 119.99599 * 359.97438 * 21 19 18 23 23 Si 1.86795 * 120.00345 * 179.97438 * 21 19 18 24 24 H 1.48496 * 109.47293 * 179.97438 * 23 21 19 25 25 H 1.48506 * 109.46765 * 60.00164 * 23 21 19 26 26 H 1.48496 * 109.47056 * 300.00132 * 23 21 19 27 27 C 1.46759 * 111.30563 * 359.19235 * 16 14 13 28 28 C 1.44078 * 111.00117 * 168.45453 * 7 6 3 29 29 H 1.09000 * 109.47519 * 300.00310 * 1 2 3 30 30 H 1.08999 * 109.46828 * 60.00535 * 1 2 3 31 31 H 1.09004 * 109.47055 * 179.97438 * 1 2 3 32 32 H 1.09000 * 109.47519 * 239.99690 * 2 1 3 33 33 H 1.09002 * 109.47102 * 120.00178 * 2 1 3 34 34 H 0.96705 * 114.00094 * 59.99912 * 5 3 2 35 35 H 1.08999 * 109.46999 * 59.32852 * 6 3 2 36 36 H 1.08994 * 109.47810 * 299.32451 * 6 3 2 37 37 H 1.09000 * 108.98083 * 71.81992 * 8 7 6 38 38 H 1.08993 * 108.91798 * 313.06242 * 8 7 6 39 39 H 1.09001 * 108.72520 * 197.71893 * 9 8 7 40 40 H 1.09000 * 108.72187 * 79.68110 * 9 8 7 41 41 H 1.09001 * 109.12743 * 160.32864 * 11 10 9 42 42 H 1.09003 * 109.08181 * 41.18971 * 11 10 9 43 43 H 1.09001 * 110.48060 * 264.05725 * 13 12 11 44 44 H 1.09001 * 110.48377 * 26.68900 * 13 12 11 45 45 H 1.08996 * 109.46930 * 149.69593 * 17 16 14 46 46 H 1.09002 * 109.46533 * 29.70057 * 17 16 14 47 47 H 1.09001 * 109.46905 * 59.99935 * 18 17 16 48 48 H 1.08994 * 109.46904 * 299.99912 * 18 17 16 49 49 H 0.96994 * 120.00428 * 0.02562 * 22 21 19 50 50 H 1.08998 * 110.24392 * 136.16904 * 27 16 14 51 51 H 1.09000 * 110.23978 * 258.07121 * 27 16 14 52 52 H 1.08992 * 109.72988 * 99.88713 * 28 7 6 53 53 H 1.09006 * 109.72469 * 339.21433 * 28 7 6 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 2.0399 1.4425 0.0000 4 1 1.6054 1.9816 -0.8418 5 8 1.6619 2.0814 1.2211 6 6 3.5648 1.4443 -0.1256 7 7 4.0531 2.8297 -0.1419 8 6 3.5457 3.5588 -1.3316 9 6 4.2768 4.9001 -1.5414 10 8 4.5031 5.5988 -0.3497 11 6 5.8083 5.3397 0.2163 12 6 5.8328 4.0614 0.9278 13 6 7.1979 3.7810 1.5968 14 6 6.8449 3.0479 2.8723 15 8 7.6267 2.4124 3.5473 16 7 5.5378 3.2008 3.1468 17 6 4.8618 2.6108 4.3050 18 6 4.3192 1.2303 3.9302 19 6 3.6245 0.6232 5.1218 20 1 3.5753 1.1674 6.0533 21 6 3.0526 -0.6275 5.0230 22 7 3.1130 -1.2904 3.8888 23 14 2.1920 -1.3803 6.5002 24 1 1.6653 -2.7202 6.1364 25 1 1.0683 -0.5040 6.9180 26 1 3.1578 -1.5149 7.6202 27 6 4.8762 4.0398 2.1407 28 6 5.4851 2.8743 0.0111 29 1 -0.3634 0.5139 0.8899 30 1 -0.3633 0.5138 -0.8900 31 1 -0.3633 -1.0277 -0.0005 32 1 1.8934 -0.5139 -0.8899 33 1 1.8933 -0.5139 0.8900 34 1 2.0141 1.6542 2.0139 35 1 3.8537 0.9464 -1.0512 36 1 3.9999 0.9157 0.7224 37 1 2.4809 3.7520 -1.2014 38 1 3.6872 2.9359 -2.2147 39 1 3.6787 5.5245 -2.2050 40 1 5.2363 4.7044 -2.0199 41 1 6.0615 6.1402 0.9114 42 1 6.5463 5.3162 -0.5856 43 1 7.8166 3.1555 0.9533 44 1 7.7090 4.7158 1.8271 45 1 4.0373 3.2545 4.6111 46 1 5.5702 2.5118 5.1275 47 1 5.1440 0.5866 3.6241 48 1 3.6110 1.3293 3.1077 49 1 3.5602 -0.8997 3.1218 50 1 3.9180 3.6043 1.8575 51 1 4.7319 5.0488 2.5269 52 1 5.9550 3.0114 -0.9627 53 1 5.8360 1.9460 0.4622 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 ZINC001274553589.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 06:12:09 Heat of formation + Delta-G solvation = -126.197666 kcal Electronic energy + Delta-G solvation = -33524.567645 eV Core-core repulsion = 29396.133045 eV Total energy + Delta-G solvation = -4128.434600 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.03 seconds Orbital eigenvalues (eV) -41.08770 -38.99619 -37.88326 -36.18905 -35.54086 -34.49789 -32.86185 -32.43370 -30.18457 -29.48387 -28.27581 -27.38251 -25.92937 -25.38324 -23.89255 -23.09075 -21.67400 -21.37625 -20.52904 -19.72994 -18.90834 -16.98666 -16.84191 -16.35916 -16.27554 -16.14471 -15.70046 -15.56277 -15.16699 -14.76443 -14.65969 -14.37864 -14.00382 -13.72909 -13.47053 -13.41738 -13.27711 -13.05409 -12.77354 -12.73222 -12.47008 -12.23014 -12.06026 -11.87263 -11.86029 -11.58534 -11.57325 -11.19483 -11.00219 -10.89687 -10.85317 -10.69996 -10.67722 -10.46238 -10.24700 -10.06606 -10.02896 -9.81873 -9.50698 -9.29846 -8.66407 -8.33639 -8.18469 -7.92054 -6.38479 -4.07278 3.02871 3.42701 3.45146 3.46645 3.64371 3.68909 3.78791 4.45950 4.51652 4.54801 4.60641 4.70259 4.78312 4.81249 4.88118 4.98242 5.11519 5.21852 5.25095 5.26619 5.34811 5.36804 5.39308 5.43392 5.48089 5.55968 5.63001 5.65759 5.74006 5.76259 5.79273 5.87469 5.97139 6.03476 6.05383 6.10346 6.19618 6.40374 6.45709 6.49779 6.54598 6.71264 6.94538 7.01436 7.07842 7.19126 7.30115 7.47595 7.80018 8.15196 8.17381 8.44092 8.69457 8.85109 9.63241 11.01605 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.009609 B = 0.005222 C = 0.003696 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2913.102572 B = 5360.608916 C = 7572.998754 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 -0.161 4.161 3 C 0.119 3.881 4 H 0.087 0.913 5 O -0.551 6.551 6 C 0.027 3.973 7 N -0.529 5.529 8 C 0.031 3.969 9 C 0.063 3.937 10 O -0.354 6.354 11 C 0.082 3.918 12 C -0.100 4.100 13 C -0.145 4.145 14 C 0.509 3.491 15 O -0.542 6.542 16 N -0.607 5.607 17 C 0.135 3.865 18 C 0.007 3.993 19 C -0.599 4.599 20 H 0.049 0.951 21 C 0.021 3.979 22 N -0.910 5.910 23 Si 1.066 2.934 24 H -0.283 1.283 25 H -0.287 1.287 26 H -0.289 1.289 27 C 0.119 3.881 28 C 0.074 3.926 29 H 0.063 0.937 30 H 0.045 0.955 31 H 0.050 0.950 32 H 0.061 0.939 33 H 0.080 0.920 34 H 0.383 0.617 35 H 0.036 0.964 36 H 0.085 0.915 37 H 0.084 0.916 38 H 0.038 0.962 39 H 0.086 0.914 40 H 0.043 0.957 41 H 0.094 0.906 42 H 0.056 0.944 43 H 0.096 0.904 44 H 0.099 0.901 45 H 0.067 0.933 46 H 0.068 0.932 47 H 0.007 0.993 48 H 0.009 0.991 49 H 0.266 0.734 50 H 0.118 0.882 51 H 0.058 0.942 52 H 0.041 0.959 53 H 0.076 0.924 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 1.328 11.559 -15.049 19.022 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 -0.199 4.199 3 C 0.058 3.942 4 H 0.105 0.895 5 O -0.358 6.358 6 C -0.101 4.101 7 N -0.253 5.253 8 C -0.096 4.096 9 C -0.016 4.016 10 O -0.271 6.271 11 C 0.006 3.994 12 C -0.102 4.102 13 C -0.186 4.186 14 C 0.295 3.705 15 O -0.420 6.420 16 N -0.339 5.339 17 C 0.015 3.985 18 C -0.031 4.031 19 C -0.637 4.637 20 H 0.067 0.933 21 C -0.183 4.183 22 N -0.546 5.546 23 Si 0.895 3.105 24 H -0.209 1.209 25 H -0.214 1.214 26 H -0.215 1.215 27 C -0.004 4.004 28 C -0.055 4.055 29 H 0.082 0.918 30 H 0.064 0.936 31 H 0.069 0.931 32 H 0.080 0.920 33 H 0.099 0.901 34 H 0.233 0.767 35 H 0.054 0.946 36 H 0.104 0.896 37 H 0.102 0.898 38 H 0.056 0.944 39 H 0.104 0.896 40 H 0.062 0.938 41 H 0.113 0.887 42 H 0.074 0.926 43 H 0.115 0.885 44 H 0.118 0.882 45 H 0.085 0.915 46 H 0.086 0.914 47 H 0.025 0.975 48 H 0.027 0.973 49 H 0.076 0.924 50 H 0.136 0.864 51 H 0.076 0.924 52 H 0.059 0.941 53 H 0.094 0.906 Dipole moment (debyes) X Y Z Total from point charges 0.227 10.605 -14.044 17.600 hybrid contribution 1.729 0.241 -1.048 2.036 sum 1.956 10.846 -15.092 18.688 Atomic orbital electron populations 1.21616 0.95217 1.01221 1.01835 1.22245 0.97178 0.97281 1.03195 1.21776 0.91429 0.92387 0.88566 0.89482 1.86482 1.76580 1.57239 1.15480 1.23005 0.97545 0.88156 1.01374 1.60277 1.10339 1.14492 1.40151 1.23230 1.01331 0.94507 0.90543 1.22322 0.99300 0.92673 0.87270 1.87863 1.34408 1.65415 1.39425 1.21498 0.84751 0.95784 0.97394 1.21059 0.95284 0.96837 0.96978 1.22404 0.97179 1.02364 0.96664 1.20644 0.82668 0.80663 0.86522 1.90706 1.53507 1.42755 1.55073 1.48590 1.09051 1.49672 1.26570 1.21593 0.95569 0.96019 0.85365 1.19475 0.95295 0.91047 0.97242 1.21927 1.39064 1.04770 0.97988 0.93271 1.25746 0.96291 0.94176 1.02120 1.70820 1.41625 1.39983 1.02148 0.83572 0.76172 0.76229 0.74551 1.20872 1.21397 1.21521 1.22191 0.98417 0.94655 0.85177 1.21783 0.88084 0.98140 0.97499 0.91829 0.93580 0.93051 0.92035 0.90136 0.76747 0.94619 0.89646 0.89773 0.94356 0.89574 0.93821 0.88741 0.92566 0.88531 0.88236 0.91485 0.91360 0.97467 0.97273 0.92414 0.86418 0.92411 0.94099 0.90589 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 -0.14 -1.90 9.81 37.16 0.36 -1.54 16 2 C -0.16 -2.26 5.61 -26.73 -0.15 -2.41 16 3 C 0.12 1.63 2.80 -26.73 -0.07 1.55 16 4 H 0.09 1.10 6.72 -51.93 -0.35 0.75 16 5 O -0.55 -9.18 12.75 -35.23 -0.45 -9.63 16 6 C 0.03 0.36 4.50 -3.82 -0.02 0.34 16 7 N -0.53 -6.54 2.21 -234.18 -0.52 -7.06 16 8 C 0.03 0.32 5.24 -2.33 -0.01 0.31 16 9 C 0.06 0.57 6.05 37.78 0.23 0.79 16 10 O -0.35 -3.94 10.34 -32.87 -0.34 -4.28 16 11 C 0.08 0.79 4.90 33.97 0.17 0.95 16 12 C -0.10 -1.17 0.63 -155.57 -0.10 -1.27 16 13 C -0.15 -1.82 5.75 -26.76 -0.15 -1.97 16 14 C 0.51 9.35 7.88 -10.85 -0.09 9.27 16 15 O -0.54 -12.47 17.59 5.56 0.10 -12.37 16 16 N -0.61 -10.96 2.93 -172.40 -0.51 -11.46 16 17 C 0.13 2.87 5.88 -4.04 -0.02 2.84 16 18 C 0.01 0.18 4.61 -27.88 -0.13 0.05 16 19 C -0.60 -16.47 9.11 -34.44 -0.31 -16.78 16 20 H 0.05 1.35 7.74 -52.49 -0.41 0.94 16 21 C 0.02 0.57 5.46 -17.82 -0.10 0.48 16 22 N -0.91 -26.30 13.65 55.43 0.76 -25.54 16 23 Si 1.07 24.95 29.90 -169.99 -5.08 19.87 16 24 H -0.28 -6.66 7.11 56.52 0.40 -6.25 16 25 H -0.29 -6.41 7.11 56.52 0.40 -6.01 16 26 H -0.29 -6.58 7.11 56.52 0.40 -6.18 16 27 C 0.12 1.76 6.08 -3.12 -0.02 1.74 16 28 C 0.07 0.89 4.25 -4.83 -0.02 0.87 16 29 H 0.06 0.95 7.82 -51.93 -0.41 0.54 16 30 H 0.05 0.54 8.14 -51.93 -0.42 0.12 16 31 H 0.05 0.66 8.14 -51.93 -0.42 0.24 16 32 H 0.06 0.77 8.14 -51.93 -0.42 0.34 16 33 H 0.08 1.38 8.14 -51.93 -0.42 0.96 16 34 H 0.38 7.04 7.40 45.56 0.34 7.38 16 35 H 0.04 0.43 8.04 -51.93 -0.42 0.02 16 36 H 0.09 1.40 7.73 -51.93 -0.40 1.00 16 37 H 0.08 0.94 7.02 -51.93 -0.36 0.57 16 38 H 0.04 0.35 7.96 -51.93 -0.41 -0.06 16 39 H 0.09 0.65 8.14 -51.93 -0.42 0.22 16 40 H 0.04 0.34 6.58 -51.93 -0.34 0.00 16 41 H 0.09 0.81 8.12 -51.93 -0.42 0.39 16 42 H 0.06 0.43 7.48 -51.93 -0.39 0.04 16 43 H 0.10 1.11 7.86 -51.93 -0.41 0.70 16 44 H 0.10 1.02 7.95 -51.93 -0.41 0.61 16 45 H 0.07 1.35 8.14 -51.93 -0.42 0.92 16 46 H 0.07 1.57 7.92 -51.93 -0.41 1.15 16 47 H 0.01 0.20 8.01 -51.93 -0.42 -0.22 16 48 H 0.01 0.22 6.36 -51.93 -0.33 -0.11 16 49 H 0.27 7.58 7.22 -40.82 -0.29 7.29 16 50 H 0.12 1.96 6.37 -51.93 -0.33 1.63 16 51 H 0.06 0.82 7.94 -51.93 -0.41 0.40 16 52 H 0.04 0.42 6.91 -51.93 -0.36 0.06 16 53 H 0.08 1.09 7.05 -51.93 -0.37 0.72 16 LS Contribution 404.30 15.07 6.09 6.09 Total: -1.00 -31.94 404.30 -9.03 -40.97 By element: Atomic # 1 Polarization: 16.83 SS G_CDS: -8.65 Total: 8.18 kcal Atomic # 6 Polarization: -4.34 SS G_CDS: -0.43 Total: -4.77 kcal Atomic # 7 Polarization: -43.80 SS G_CDS: -0.27 Total: -44.07 kcal Atomic # 8 Polarization: -25.58 SS G_CDS: -0.69 Total: -26.27 kcal Atomic # 14 Polarization: 24.95 SS G_CDS: -5.08 Total: 19.87 kcal Total LS contribution 6.09 Total: 6.09 kcal Total: -31.94 -9.03 -40.97 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. ZINC001274553589.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 -85.227 kcal (2) G-P(sol) polarization free energy of solvation -31.941 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -117.169 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.029 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.970 kcal (6) G-S(sol) free energy of system = (1) + (5) -126.198 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.03 seconds