Wall clock time and date at job start Tue Mar 31 2020 06:02:18 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 O 1.42899 * 1 3 3 C 1.35955 * 116.99574 * 2 1 4 4 C 1.38078 * 120.00129 * 0.25579 * 3 2 1 5 5 C 1.39977 * 119.83456 * 180.26907 * 4 3 2 6 6 C 1.46975 * 120.07569 * 179.74422 * 5 4 3 7 7 C 1.35020 * 120.00009 * 316.36860 * 6 5 4 8 8 C 1.46259 * 120.00015 * 348.68744 * 7 6 5 9 9 O 1.21713 * 119.99928 * 353.20238 * 8 7 6 10 10 N 1.34779 * 119.99780 * 173.21463 * 8 7 6 11 11 C 1.46498 * 119.99674 * 179.97438 * 10 8 7 12 12 C 1.53007 * 109.46830 * 179.97438 * 11 10 8 13 13 H 1.08993 * 109.47413 * 55.00111 * 12 11 10 14 14 C 1.53005 * 109.47044 * 294.99532 * 12 11 10 15 15 O 1.42902 * 109.46704 * 65.00360 * 14 12 11 16 16 C 1.53001 * 109.47008 * 174.99940 * 12 11 10 17 17 C 1.52996 * 109.46950 * 179.97438 * 16 12 11 18 18 C 1.52994 * 109.47125 * 299.99925 * 16 12 11 19 19 C 1.40028 * 119.84670 * 359.47991 * 5 4 3 20 20 C 1.37648 * 120.00079 * 0.26600 * 19 5 4 21 21 C 1.39057 * 120.15662 * 359.97438 * 20 19 5 22 22 O 1.35611 * 119.91966 * 180.02562 * 21 20 19 23 23 C 1.34757 * 117.00293 * 354.29621 * 22 21 20 24 24 H 1.08003 * 119.99507 * 5.06206 * 23 22 21 25 25 C 1.38708 * 120.00643 * 185.06576 * 23 22 21 26 26 N 1.31515 * 120.00086 * 179.97438 * 25 23 22 27 27 Si 1.86801 * 119.99887 * 0.02562 * 25 23 22 28 28 H 1.48498 * 109.47224 * 89.99465 * 27 25 23 29 29 H 1.48499 * 109.47114 * 209.99920 * 27 25 23 30 30 H 1.48502 * 109.46872 * 329.99909 * 27 25 23 31 31 H 1.09004 * 109.46965 * 180.02562 * 1 2 3 32 32 H 1.09003 * 109.47022 * 299.99598 * 1 2 3 33 33 H 1.09000 * 109.47635 * 60.00433 * 1 2 3 34 34 H 1.07998 * 120.08628 * 0.02562 * 4 3 2 35 35 H 1.07999 * 119.99666 * 136.37411 * 6 5 4 36 36 H 1.08005 * 120.00019 * 168.67563 * 7 6 5 37 37 H 0.96999 * 119.99983 * 0.26607 * 10 8 7 38 38 H 1.09000 * 109.47226 * 299.99150 * 11 10 8 39 39 H 1.08998 * 109.47336 * 59.99788 * 11 10 8 40 40 H 1.08997 * 109.47108 * 185.00028 * 14 12 11 41 41 H 1.09003 * 109.47113 * 305.00572 * 14 12 11 42 42 H 0.96701 * 113.99801 * 180.02562 * 15 14 12 43 43 H 1.09006 * 109.47155 * 59.99600 * 16 12 11 44 44 H 1.09009 * 109.46914 * 179.97438 * 17 16 12 45 45 H 1.08997 * 109.47723 * 299.99705 * 17 16 12 46 46 H 1.08993 * 109.47154 * 60.00365 * 17 16 12 47 47 H 1.09006 * 109.47656 * 60.00086 * 18 16 12 48 48 H 1.09001 * 109.47450 * 180.02562 * 18 16 12 49 49 H 1.09000 * 109.47183 * 300.00158 * 18 16 12 50 50 H 1.07997 * 120.00187 * 180.25187 * 19 5 4 51 51 H 1.07995 * 119.92286 * 180.02562 * 20 19 5 52 52 H 0.96998 * 120.00016 * 179.97438 * 26 25 23 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 8 1.4290 0.0000 0.0000 3 6 2.0461 1.2114 0.0000 4 6 1.2940 2.3694 0.0053 5 6 1.9330 3.6148 -0.0004 6 6 1.1377 4.8507 -0.0004 7 6 0.0574 4.9583 -0.8033 8 6 -0.1817 3.9601 -1.8451 9 8 0.6535 3.1041 -2.0710 10 7 -1.3269 3.9883 -2.5553 11 6 -1.5662 2.9888 -3.5992 12 6 -2.9291 3.2436 -4.2463 13 1 -2.9726 4.2703 -4.6096 14 6 -4.0344 3.0211 -3.2120 15 8 -3.9198 3.9977 -2.1750 16 6 -3.1255 2.2794 -5.4180 17 6 -4.4886 2.5337 -6.0647 18 6 -2.0203 2.5018 -6.4522 19 6 3.3318 3.6804 -0.0005 20 6 4.0751 2.5219 -0.0005 21 6 3.4404 1.2846 0.0002 22 8 4.1775 0.1463 0.0007 23 6 5.5129 0.2820 -0.1188 24 1 5.9570 1.2665 -0.1270 25 6 6.3171 -0.8425 -0.2312 26 7 7.6203 -0.7099 -0.3483 27 14 5.5490 -2.5452 -0.2178 28 1 5.2165 -2.9492 -1.6076 29 1 6.5095 -3.5170 0.3638 30 1 4.3103 -2.5230 0.6010 31 1 -0.3633 -1.0277 0.0005 32 1 -0.3633 0.5138 0.8900 33 1 -0.3634 0.5137 -0.8900 34 1 0.2155 2.3144 0.0099 35 1 1.4173 5.6728 0.6417 36 1 -0.6301 5.7815 -0.6760 37 1 -1.9908 4.6730 -2.3780 38 1 -0.7853 3.0599 -4.3562 39 1 -1.5547 1.9923 -3.1577 40 1 -5.0074 3.1155 -3.6940 41 1 -3.9361 2.0234 -2.7840 42 1 -4.5900 3.9166 -1.4826 43 1 -3.0820 1.2526 -5.0548 44 1 -4.6283 1.8471 -6.8997 45 1 -5.2758 2.3750 -5.3277 46 1 -4.5325 3.5605 -6.4278 47 1 -1.0493 2.3203 -5.9913 48 1 -2.1605 1.8152 -7.2872 49 1 -2.0638 3.5286 -6.8154 50 1 3.8274 4.6399 -0.0008 51 1 5.1538 2.5740 -0.0001 52 1 8.1828 -1.4963 -0.4266 RHF calculation, no. of doubly occupied orbitals= 69 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 ZINC000493660660.mol2 52 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 06:02:18 Heat of formation + Delta-G solvation = -101.504688 kcal Electronic energy + Delta-G solvation = -33586.173233 eV Core-core repulsion = 29131.949936 eV Total energy + Delta-G solvation = -4454.223297 eV No. of doubly occupied orbitals = 69 Molecular weight (most abundant/longest-lived isotopes) = 363.192 amu Computer time = 1.10 seconds Orbital eigenvalues (eV) -40.01382 -39.39136 -38.42446 -37.55151 -36.26359 -36.09224 -34.06404 -32.89332 -32.21307 -30.22140 -29.41155 -28.61143 -28.05596 -26.67925 -25.66563 -25.08509 -23.27578 -22.14053 -21.50396 -20.90997 -20.39169 -19.10856 -17.89616 -17.76890 -17.59653 -16.75202 -16.23716 -15.99481 -15.68173 -15.17806 -15.15647 -15.07571 -14.72563 -14.39015 -14.20946 -14.08284 -13.84549 -13.59707 -13.49414 -13.24653 -13.14982 -12.93610 -12.79765 -12.59043 -12.49134 -12.18636 -12.00033 -11.97557 -11.82993 -11.61892 -11.29741 -11.22266 -11.05257 -10.98608 -10.83410 -10.75730 -10.60796 -10.38358 -10.27072 -10.13565 -9.43334 -9.37394 -9.16513 -8.76594 -8.67444 -7.49692 -6.80372 -6.35337 -3.95893 1.22449 2.36332 2.61857 3.30517 3.35200 3.35645 3.54065 3.69999 3.81107 4.05083 4.31502 4.34317 4.46451 4.60489 4.61375 4.70846 4.88574 4.97215 4.97848 5.13245 5.18341 5.19724 5.21739 5.25535 5.32821 5.36155 5.46120 5.48517 5.52978 5.58088 5.62024 5.69522 5.69989 5.74503 5.78492 5.83816 5.86349 5.99652 6.02559 6.22385 6.34991 6.46349 6.55647 6.67467 6.72290 7.05734 7.17864 7.20212 7.39210 7.62892 7.75457 7.89784 8.03829 8.27381 8.66384 9.00458 9.66544 10.71795 Molecular weight = 363.19amu Principal moments of inertia in cm(-1) A = 0.011450 B = 0.002575 C = 0.002337 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2444.734053 B =10872.987140 C =11975.760678 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.035 3.965 2 O -0.310 6.310 3 C 0.043 3.957 4 C -0.077 4.077 5 C -0.143 4.143 6 C 0.015 3.985 7 C -0.253 4.253 8 C 0.532 3.468 9 O -0.519 6.519 10 N -0.723 5.723 11 C 0.127 3.873 12 C -0.096 4.096 13 H 0.084 0.916 14 C 0.079 3.921 15 O -0.572 6.572 16 C -0.087 4.087 17 C -0.150 4.150 18 C -0.153 4.153 19 C -0.070 4.070 20 C -0.215 4.215 21 C 0.157 3.843 22 O -0.201 6.201 23 C -0.384 4.384 24 H 0.108 0.892 25 C 0.064 3.936 26 N -0.878 5.878 27 Si 0.903 3.097 28 H -0.273 1.273 29 H -0.283 1.283 30 H -0.255 1.255 31 H 0.087 0.913 32 H 0.042 0.958 33 H 0.046 0.954 34 H 0.111 0.889 35 H 0.124 0.876 36 H 0.121 0.879 37 H 0.405 0.595 38 H 0.069 0.931 39 H 0.060 0.940 40 H 0.050 0.950 41 H 0.047 0.953 42 H 0.381 0.619 43 H 0.075 0.925 44 H 0.058 0.942 45 H 0.056 0.944 46 H 0.056 0.944 47 H 0.064 0.936 48 H 0.058 0.942 49 H 0.056 0.944 50 H 0.111 0.889 51 H 0.139 0.861 52 H 0.279 0.721 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -26.938 10.576 -6.066 29.569 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 -0.061 4.061 2 O -0.225 6.225 3 C -0.001 4.001 4 C -0.097 4.097 5 C -0.144 4.144 6 C -0.004 4.004 7 C -0.274 4.274 8 C 0.322 3.678 9 O -0.396 6.396 10 N -0.379 5.379 11 C 0.003 3.997 12 C -0.114 4.114 13 H 0.102 0.898 14 C 0.001 3.999 15 O -0.379 6.379 16 C -0.106 4.106 17 C -0.208 4.208 18 C -0.210 4.210 19 C -0.088 4.088 20 C -0.234 4.234 21 C 0.104 3.896 22 O -0.105 6.105 23 C -0.460 4.460 24 H 0.125 0.875 25 C -0.139 4.139 26 N -0.515 5.515 27 Si 0.729 3.271 28 H -0.199 1.199 29 H -0.209 1.209 30 H -0.179 1.179 31 H 0.106 0.894 32 H 0.061 0.939 33 H 0.065 0.935 34 H 0.129 0.871 35 H 0.142 0.858 36 H 0.139 0.861 37 H 0.242 0.758 38 H 0.087 0.913 39 H 0.079 0.921 40 H 0.069 0.931 41 H 0.065 0.935 42 H 0.228 0.772 43 H 0.094 0.906 44 H 0.077 0.923 45 H 0.075 0.925 46 H 0.075 0.925 47 H 0.083 0.917 48 H 0.077 0.923 49 H 0.075 0.925 50 H 0.129 0.871 51 H 0.156 0.844 52 H 0.089 0.911 Dipole moment (debyes) X Y Z Total from point charges -25.588 9.578 -6.614 28.111 hybrid contribution -1.256 -0.269 0.222 1.304 sum -26.844 9.309 -6.392 29.122 Atomic orbital electron populations 1.22815 0.80577 1.02408 1.00263 1.86137 1.19325 1.26771 1.90243 1.17949 0.89151 0.84428 1.08579 1.20516 0.97607 0.90576 1.00959 1.18122 0.92762 0.91548 1.11978 1.22313 0.90927 0.94749 0.92436 1.22684 1.02035 1.02358 1.00362 1.18503 0.81520 0.85139 0.82688 1.90994 1.43922 1.37065 1.67620 1.46041 1.20545 1.33533 1.37770 1.21291 0.95415 0.92578 0.90392 1.21488 0.94132 1.01209 0.94611 0.89812 1.22338 0.97822 0.91361 0.88370 1.86281 1.58145 1.56015 1.37417 1.21001 0.95907 0.99228 0.94449 1.21928 0.96188 1.02003 1.00638 1.21930 0.98626 1.01920 0.98546 1.20740 0.92159 0.97276 0.98653 1.20851 1.00835 0.90671 1.11067 1.18543 0.87646 0.86955 0.96442 1.83584 1.20181 1.27475 1.79307 1.20848 0.77450 0.96948 1.50728 0.87501 1.24459 0.94525 0.99423 0.95539 1.69633 1.03099 1.31528 1.47289 0.86191 0.79733 0.81781 0.79417 1.19874 1.20921 1.17898 0.89433 0.93935 0.93511 0.87082 0.85792 0.86110 0.75758 0.91328 0.92148 0.93145 0.93504 0.77156 0.90610 0.92323 0.92503 0.92481 0.91705 0.92313 0.92508 0.87079 0.84364 0.91076 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 0.04 0.57 9.81 101.05 0.99 1.56 16 2 O -0.31 -6.98 10.28 -34.21 -0.35 -7.33 16 3 C 0.04 1.01 6.70 -39.12 -0.26 0.75 16 4 C -0.08 -1.54 5.58 -38.99 -0.22 -1.76 16 5 C -0.14 -2.66 4.54 -105.04 -0.48 -3.14 16 6 C 0.02 0.22 9.80 -37.19 -0.36 -0.15 16 7 C -0.25 -3.29 9.90 -37.50 -0.37 -3.66 16 8 C 0.53 8.04 6.77 -13.04 -0.09 7.95 16 9 O -0.52 -10.18 12.18 5.18 0.06 -10.12 16 10 N -0.72 -8.43 4.99 -61.75 -0.31 -8.74 16 11 C 0.13 1.38 4.85 -4.04 -0.02 1.36 16 12 C -0.10 -0.71 1.88 -90.61 -0.17 -0.88 16 13 H 0.08 0.64 8.14 -51.93 -0.42 0.22 16 14 C 0.08 0.48 6.21 37.16 0.23 0.71 16 15 O -0.57 -3.58 10.89 -35.23 -0.38 -3.97 16 16 C -0.09 -0.57 2.50 -90.62 -0.23 -0.80 16 17 C -0.15 -0.78 8.85 37.16 0.33 -0.45 16 18 C -0.15 -1.11 8.85 37.15 0.33 -0.78 16 19 C -0.07 -1.37 9.78 -39.13 -0.38 -1.76 16 20 C -0.21 -4.99 9.14 -39.49 -0.36 -5.36 16 21 C 0.16 4.04 6.67 -38.76 -0.26 3.78 16 22 O -0.20 -5.77 8.35 -13.93 -0.12 -5.89 16 23 C -0.38 -11.37 9.94 30.91 0.31 -11.06 16 24 H 0.11 3.18 5.42 -52.48 -0.28 2.90 16 25 C 0.06 1.87 5.49 -17.51 -0.10 1.77 16 26 N -0.88 -26.10 13.96 55.48 0.77 -25.32 16 27 Si 0.90 22.96 28.62 -169.99 -4.86 18.10 16 28 H -0.27 -6.86 7.11 56.52 0.40 -6.46 16 29 H -0.28 -6.84 7.11 56.52 0.40 -6.43 16 30 H -0.26 -6.63 7.11 56.52 0.40 -6.23 16 31 H 0.09 1.17 8.14 -51.93 -0.42 0.74 16 32 H 0.04 0.61 7.65 -51.93 -0.40 0.21 16 33 H 0.05 0.74 7.67 -51.93 -0.40 0.34 16 34 H 0.11 2.02 5.25 -52.49 -0.28 1.74 16 35 H 0.12 1.35 8.06 -52.49 -0.42 0.93 16 36 H 0.12 1.16 8.06 -52.48 -0.42 0.74 16 37 H 0.40 4.00 6.28 -40.82 -0.26 3.74 16 38 H 0.07 0.84 6.17 -51.93 -0.32 0.52 16 39 H 0.06 0.74 8.14 -51.93 -0.42 0.32 16 40 H 0.05 0.24 6.17 -51.93 -0.32 -0.08 16 41 H 0.05 0.30 8.14 -51.93 -0.42 -0.12 16 42 H 0.38 0.97 9.12 45.56 0.42 1.39 16 43 H 0.08 0.51 8.14 -51.93 -0.42 0.09 16 44 H 0.06 0.29 8.14 -51.92 -0.42 -0.13 16 45 H 0.06 0.25 6.32 -51.93 -0.33 -0.07 16 46 H 0.06 0.29 8.14 -51.93 -0.42 -0.13 16 47 H 0.06 0.57 6.32 -51.93 -0.33 0.24 16 48 H 0.06 0.39 8.14 -51.93 -0.42 -0.03 16 49 H 0.06 0.39 8.14 -51.93 -0.42 -0.03 16 50 H 0.11 1.83 8.06 -52.49 -0.42 1.41 16 51 H 0.14 3.28 5.62 -52.49 -0.29 2.99 16 52 H 0.28 7.66 8.31 -40.82 -0.34 7.32 16 LS Contribution 415.61 15.07 6.26 6.26 Total: -1.00 -35.76 415.61 -7.03 -42.79 By element: Atomic # 1 Polarization: 13.11 SS G_CDS: -7.00 Total: 6.12 kcal Atomic # 6 Polarization: -10.79 SS G_CDS: -1.11 Total: -11.90 kcal Atomic # 7 Polarization: -34.52 SS G_CDS: 0.47 Total: -34.06 kcal Atomic # 8 Polarization: -26.52 SS G_CDS: -0.79 Total: -27.31 kcal Atomic # 14 Polarization: 22.96 SS G_CDS: -4.86 Total: 18.10 kcal Total LS contribution 6.26 Total: 6.26 kcal Total: -35.76 -7.03 -42.79 kcal The number of atoms in the molecule is 52 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. ZINC000493660660.mol2 52 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 -58.716 kcal (2) G-P(sol) polarization free energy of solvation -35.760 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -94.476 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.029 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.789 kcal (6) G-S(sol) free energy of system = (1) + (5) -101.505 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.10 seconds