Wall clock time and date at job start Sat Apr 11 2020 06:12:56 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 O 1.42900 * 1 3 3 C 1.42908 * 113.99995 * 2 1 4 4 C 1.52994 * 109.47128 * 180.02562 * 3 2 1 5 5 C 1.53000 * 109.47385 * 180.02562 * 4 3 2 6 6 O 1.42897 * 109.47409 * 179.97438 * 5 4 3 7 7 C 1.42902 * 114.00178 * 179.97438 * 6 5 4 8 8 C 1.53000 * 109.47106 * 180.02562 * 7 6 5 9 9 C 1.50701 * 109.46788 * 180.02562 * 8 7 6 10 10 O 1.21276 * 120.00011 * 359.97438 * 9 8 7 11 11 N 1.34774 * 119.99434 * 180.02562 * 9 8 7 12 12 C 1.46500 * 119.99658 * 179.97438 * 11 9 8 13 13 H 1.09002 * 115.55464 * 9.31301 * 12 11 9 14 14 C 1.53034 * 117.50341 * 223.58175 * 12 11 9 15 15 C 1.52820 * 117.50490 * 154.99514 * 12 11 9 16 16 C 1.53188 * 117.71294 * 359.86220 * 15 12 11 17 17 C 1.53343 * 108.77223 * 158.88914 * 16 15 12 18 18 N 1.46843 * 108.81709 * 51.30377 * 17 16 15 19 19 C 1.36937 * 120.38080 * 123.07914 * 18 17 16 20 20 H 1.07997 * 120.00081 * 207.85237 * 19 18 17 21 21 C 1.38814 * 119.99977 * 27.86031 * 19 18 17 22 22 N 1.31623 * 119.99662 * 214.76069 * 21 19 18 23 23 Si 1.86791 * 120.00451 * 34.75593 * 21 19 18 24 24 H 1.48506 * 109.47132 * 95.38585 * 23 21 19 25 25 H 1.48501 * 109.47328 * 215.38642 * 23 21 19 26 26 H 1.48504 * 109.47184 * 335.38818 * 23 21 19 27 27 C 1.46847 * 119.23366 * 303.09893 * 18 17 16 28 28 C 1.53182 * 117.71755 * 215.10205 * 15 12 11 29 29 H 1.09009 * 109.46714 * 299.99623 * 1 2 3 30 30 H 1.09000 * 109.47386 * 59.99663 * 1 2 3 31 31 H 1.08999 * 109.47555 * 180.02562 * 1 2 3 32 32 H 1.09002 * 109.46957 * 60.00515 * 3 2 1 33 33 H 1.08994 * 109.47119 * 300.00741 * 3 2 1 34 34 H 1.08996 * 109.47401 * 59.99996 * 4 3 2 35 35 H 1.09007 * 109.47390 * 300.00409 * 4 3 2 36 36 H 1.09002 * 109.46933 * 60.00041 * 5 4 3 37 37 H 1.08994 * 109.46885 * 300.00424 * 5 4 3 38 38 H 1.09004 * 109.46552 * 60.00604 * 7 6 5 39 39 H 1.08997 * 109.46703 * 300.00372 * 7 6 5 40 40 H 1.08996 * 109.47108 * 59.99816 * 8 7 6 41 41 H 1.09002 * 109.47240 * 300.00078 * 8 7 6 42 42 H 0.96999 * 120.00697 * 359.97438 * 11 9 8 43 43 H 1.08997 * 117.50015 * 359.97438 * 14 12 11 44 44 H 1.08996 * 117.50404 * 145.04226 * 14 12 11 45 45 H 1.09001 * 109.58188 * 278.67683 * 16 15 12 46 46 H 1.09002 * 109.58545 * 39.09576 * 16 15 12 47 47 H 1.09002 * 109.57934 * 291.50604 * 17 16 15 48 48 H 1.08996 * 109.58451 * 171.10887 * 17 16 15 49 49 H 0.96999 * 119.99686 * 179.97438 * 22 21 19 50 50 H 1.08999 * 109.58267 * 297.10849 * 27 18 17 51 51 H 1.08996 * 109.58024 * 176.70357 * 27 18 17 52 52 H 1.09002 * 109.58683 * 320.90022 * 28 15 12 53 53 H 1.08996 * 109.58953 * 81.18673 * 28 15 12 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 2.0103 1.3055 0.0000 4 6 3.5354 1.1847 -0.0006 5 6 4.1578 2.5824 0.0000 6 8 5.5823 2.4696 0.0000 7 6 6.2648 3.7251 0.0000 8 6 7.7757 3.4842 -0.0006 9 6 8.4954 4.8082 0.0000 10 8 7.8623 5.8426 0.0004 11 7 9.8427 4.8427 -0.0009 12 6 10.5424 6.1299 -0.0009 13 1 9.9145 7.0064 0.1591 14 6 11.7432 6.2815 -0.9374 15 6 11.9592 6.1630 0.5711 16 6 12.5428 4.8511 1.1049 17 6 14.0718 4.9643 1.1277 18 7 14.4449 6.1988 1.8300 19 6 15.2682 6.1518 2.9232 20 1 15.1966 6.9128 3.6862 21 6 16.1947 5.1261 3.0508 22 7 16.4828 4.6438 4.2411 23 14 17.0327 4.4302 1.5333 24 1 18.3433 5.1011 1.3400 25 1 17.2448 2.9711 1.7102 26 1 16.1760 4.6651 0.3432 27 6 13.9246 7.4841 1.3466 28 6 12.3925 7.4219 1.3285 29 1 -0.3633 0.5138 0.8901 30 1 -0.3634 0.5139 -0.8899 31 1 -0.3634 -1.0276 0.0005 32 1 1.6887 1.8464 0.8901 33 1 1.6885 1.8465 -0.8899 34 1 3.8567 0.6440 -0.8908 35 1 3.8575 0.6436 0.8891 36 1 3.8365 3.1228 0.8905 37 1 3.8358 3.1239 -0.8894 38 1 5.9869 4.2896 0.8901 39 1 5.9868 4.2897 -0.8899 40 1 8.0533 2.9197 -0.8908 41 1 8.0540 2.9193 0.8891 42 1 10.3492 4.0155 -0.0016 43 1 12.0127 5.4235 -1.5532 44 1 11.9053 7.2579 -1.3939 45 1 12.1745 4.6717 2.1150 46 1 12.2468 4.0281 0.4543 47 1 14.4510 4.9963 0.1062 48 1 14.4941 4.1054 1.6493 49 1 17.1300 3.9268 4.3302 50 1 14.2946 7.6722 0.3387 51 1 14.2500 8.2835 2.0123 52 1 11.9969 8.3048 0.8264 53 1 12.0141 7.3822 2.3500 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 ZINC001690128264.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 06:12:56 Heat of formation + Delta-G solvation = -86.791544 kcal Electronic energy + Delta-G solvation = -28969.137292 eV Core-core repulsion = 24842.411469 eV Total energy + Delta-G solvation = -4126.725822 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.93 seconds Orbital eigenvalues (eV) -40.19072 -38.92303 -38.55756 -37.93592 -35.72563 -33.62880 -33.24340 -31.86049 -31.18081 -30.49275 -28.65438 -27.52565 -25.40039 -24.24737 -24.12064 -22.94837 -22.17933 -21.81322 -20.93398 -20.32442 -18.44727 -17.78040 -17.09177 -16.94593 -16.74937 -16.35125 -16.19992 -16.00591 -15.32588 -15.24366 -15.00073 -14.64601 -14.22053 -14.15061 -13.98986 -13.84750 -13.60263 -13.14256 -12.93326 -12.77103 -12.41008 -12.38310 -12.12995 -12.09370 -12.01096 -11.88498 -11.72870 -11.71711 -11.35792 -11.35186 -11.25477 -10.71062 -10.65575 -10.26764 -10.19717 -10.04575 -10.01966 -9.95320 -9.90672 -9.52576 -9.38047 -8.67768 -8.37700 -6.95973 -6.04254 -3.25375 2.44186 2.63870 3.12882 3.37787 3.50260 3.54861 3.75032 4.02915 4.42278 4.47559 4.55970 4.58984 4.68136 4.72360 4.80793 4.81917 4.83319 4.86974 4.91140 4.92893 4.98619 5.00994 5.09539 5.11066 5.18377 5.22321 5.31627 5.43601 5.44190 5.50624 5.62555 5.69137 5.73510 5.88000 5.91779 5.97099 6.07697 6.20569 6.34812 6.37846 6.43695 6.50073 6.61242 6.65625 6.73504 6.77118 6.80996 7.00337 7.38049 7.96887 8.07540 8.31045 8.96655 9.73190 10.14303 11.10749 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.019523 B = 0.001569 C = 0.001502 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1433.875648 B =17839.209329 C =18640.780238 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.031 3.969 2 O -0.391 6.391 3 C 0.064 3.936 4 C -0.120 4.120 5 C 0.068 3.932 6 O -0.389 6.389 7 C 0.080 3.920 8 C -0.141 4.141 9 C 0.521 3.479 10 O -0.546 6.546 11 N -0.694 5.694 12 C 0.073 3.927 13 H 0.133 0.867 14 C -0.184 4.184 15 C -0.101 4.101 16 C -0.101 4.101 17 C 0.150 3.850 18 N -0.599 5.599 19 C -0.272 4.272 20 H 0.080 0.920 21 C 0.037 3.963 22 N -0.885 5.885 23 Si 0.837 3.163 24 H -0.294 1.294 25 H -0.295 1.295 26 H -0.254 1.254 27 C 0.150 3.850 28 C -0.098 4.098 29 H 0.042 0.958 30 H 0.042 0.958 31 H 0.087 0.913 32 H 0.052 0.948 33 H 0.051 0.949 34 H 0.080 0.920 35 H 0.081 0.919 36 H 0.052 0.948 37 H 0.051 0.949 38 H 0.060 0.940 39 H 0.058 0.942 40 H 0.103 0.897 41 H 0.105 0.895 42 H 0.403 0.597 43 H 0.092 0.908 44 H 0.099 0.901 45 H 0.070 0.930 46 H 0.047 0.953 47 H 0.028 0.972 48 H 0.065 0.935 49 H 0.262 0.738 50 H 0.022 0.978 51 H 0.063 0.937 52 H 0.056 0.944 53 H 0.067 0.933 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -27.104 -4.871 -11.504 29.845 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 -0.065 4.065 2 O -0.310 6.310 3 C -0.013 4.013 4 C -0.157 4.157 5 C -0.008 4.008 6 O -0.309 6.309 7 C 0.003 3.997 8 C -0.181 4.181 9 C 0.308 3.692 10 O -0.424 6.424 11 N -0.344 5.344 12 C -0.033 4.033 13 H 0.151 0.849 14 C -0.223 4.223 15 C -0.102 4.102 16 C -0.141 4.141 17 C 0.024 3.976 18 N -0.322 5.322 19 C -0.400 4.400 20 H 0.097 0.903 21 C -0.164 4.164 22 N -0.526 5.526 23 Si 0.664 3.336 24 H -0.221 1.221 25 H -0.222 1.222 26 H -0.179 1.179 27 C 0.024 3.976 28 C -0.137 4.137 29 H 0.061 0.939 30 H 0.060 0.940 31 H 0.106 0.894 32 H 0.070 0.930 33 H 0.070 0.930 34 H 0.099 0.901 35 H 0.099 0.901 36 H 0.070 0.930 37 H 0.070 0.930 38 H 0.078 0.922 39 H 0.077 0.923 40 H 0.121 0.879 41 H 0.123 0.877 42 H 0.239 0.761 43 H 0.111 0.889 44 H 0.117 0.883 45 H 0.089 0.911 46 H 0.066 0.934 47 H 0.046 0.954 48 H 0.084 0.916 49 H 0.072 0.928 50 H 0.040 0.960 51 H 0.082 0.918 52 H 0.075 0.925 53 H 0.086 0.914 Dipole moment (debyes) X Y Z Total from point charges -27.258 -4.581 -11.367 29.886 hybrid contribution 0.631 -0.432 -0.837 1.133 sum -26.627 -5.013 -12.204 29.716 Atomic orbital electron populations 1.22764 0.80691 1.02970 1.00085 1.87874 1.19950 1.27754 1.95450 1.22368 0.93481 0.84917 1.00498 1.21370 0.92645 0.96826 1.04871 1.22269 0.81099 0.96844 1.00623 1.87787 1.17862 1.29629 1.95603 1.22108 0.90661 0.85072 1.01861 1.21470 0.94699 0.95943 1.05963 1.20332 0.82273 0.90940 0.75654 1.90697 1.66411 1.35354 1.49927 1.45390 1.06000 1.08963 1.74048 1.21858 0.88503 0.87566 1.05347 0.84939 1.23561 1.01786 1.03218 0.93690 1.21940 0.95331 0.98615 0.94312 1.21707 0.99350 0.92737 1.00296 1.21286 0.90742 0.90096 0.95486 1.44254 1.54424 0.99929 1.33600 1.18803 1.12402 1.12699 0.96045 0.90250 1.25244 0.98281 0.97166 0.95665 1.70087 1.34020 1.25497 1.22990 0.87585 0.81501 0.77320 0.87166 1.22134 1.22218 1.17908 1.20898 0.90475 0.89076 0.97130 1.21666 0.99065 0.93439 0.99549 0.93943 0.93970 0.89441 0.92987 0.93042 0.90127 0.90060 0.92958 0.93028 0.92218 0.92341 0.87918 0.87718 0.76092 0.88913 0.88306 0.91106 0.93409 0.95381 0.91632 0.92839 0.95969 0.91825 0.92545 0.91384 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. 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 0.03 0.15 11.01 101.05 1.11 1.27 16 2 O -0.39 -3.16 10.70 -35.23 -0.38 -3.54 16 3 C 0.06 0.40 5.94 37.15 0.22 0.62 16 4 C -0.12 -0.85 5.95 -26.73 -0.16 -1.01 16 5 C 0.07 0.50 5.94 37.16 0.22 0.72 16 6 O -0.39 -3.75 10.34 -35.23 -0.36 -4.12 16 7 C 0.08 0.76 5.23 37.16 0.19 0.95 16 8 C -0.14 -1.26 6.07 -27.88 -0.17 -1.43 16 9 C 0.52 6.26 7.83 -10.99 -0.09 6.17 16 10 O -0.55 -8.44 15.55 5.56 0.09 -8.35 16 11 N -0.69 -8.05 5.35 -53.88 -0.29 -8.34 16 12 C 0.07 0.97 6.14 -68.01 -0.42 0.55 16 13 H 0.13 1.89 7.40 -51.93 -0.38 1.51 16 14 C -0.18 -2.36 9.87 -26.79 -0.26 -2.63 16 15 C -0.10 -1.50 1.94 -154.49 -0.30 -1.80 16 16 C -0.10 -1.68 5.37 -26.46 -0.14 -1.82 16 17 C 0.15 3.12 4.36 -3.68 -0.02 3.10 16 18 N -0.60 -13.78 2.66 -172.26 -0.46 -14.24 16 19 C -0.27 -7.43 9.83 -15.06 -0.15 -7.58 16 20 H 0.08 2.32 8.06 -52.49 -0.42 1.90 16 21 C 0.04 1.05 4.86 -17.43 -0.08 0.97 16 22 N -0.89 -26.52 13.97 55.49 0.78 -25.74 16 23 Si 0.84 20.86 26.39 -169.99 -4.49 16.37 16 24 H -0.29 -7.54 7.11 56.52 0.40 -7.14 16 25 H -0.30 -7.42 7.11 56.52 0.40 -7.02 16 26 H -0.25 -5.96 4.84 56.52 0.27 -5.68 16 27 C 0.15 2.87 6.52 -3.67 -0.02 2.84 16 28 C -0.10 -1.57 5.83 -26.45 -0.15 -1.72 16 29 H 0.04 0.17 8.14 -51.92 -0.42 -0.26 16 30 H 0.04 0.16 8.14 -51.93 -0.42 -0.26 16 31 H 0.09 0.33 8.14 -51.93 -0.42 -0.09 16 32 H 0.05 0.27 8.14 -51.93 -0.42 -0.15 16 33 H 0.05 0.26 8.14 -51.93 -0.42 -0.16 16 34 H 0.08 0.61 8.14 -51.93 -0.42 0.19 16 35 H 0.08 0.63 8.14 -51.92 -0.42 0.21 16 36 H 0.05 0.34 8.14 -51.93 -0.42 -0.08 16 37 H 0.05 0.33 8.14 -51.93 -0.42 -0.10 16 38 H 0.06 0.59 8.10 -51.93 -0.42 0.17 16 39 H 0.06 0.56 8.10 -51.93 -0.42 0.14 16 40 H 0.10 0.76 8.14 -51.93 -0.42 0.33 16 41 H 0.10 0.83 8.14 -51.93 -0.42 0.41 16 42 H 0.40 3.94 7.12 -40.82 -0.29 3.65 16 43 H 0.09 1.13 8.14 -51.93 -0.42 0.71 16 44 H 0.10 1.19 8.14 -51.93 -0.42 0.77 16 45 H 0.07 1.27 8.14 -51.93 -0.42 0.85 16 46 H 0.05 0.65 6.75 -51.93 -0.35 0.30 16 47 H 0.03 0.58 6.77 -51.93 -0.35 0.23 16 48 H 0.07 1.49 5.46 -51.93 -0.28 1.21 16 49 H 0.26 7.45 8.31 -40.82 -0.34 7.11 16 50 H 0.02 0.41 8.14 -51.93 -0.42 -0.01 16 51 H 0.06 1.22 7.92 -51.93 -0.41 0.80 16 52 H 0.06 0.77 8.10 -51.93 -0.42 0.35 16 53 H 0.07 1.17 8.14 -51.93 -0.42 0.75 16 LS Contribution 419.05 15.07 6.32 6.32 Total: -1.00 -32.98 419.05 -8.80 -41.78 By element: Atomic # 1 Polarization: 10.44 SS G_CDS: -9.78 Total: 0.65 kcal Atomic # 6 Polarization: -0.57 SS G_CDS: -0.22 Total: -0.79 kcal Atomic # 7 Polarization: -48.35 SS G_CDS: 0.03 Total: -48.32 kcal Atomic # 8 Polarization: -15.35 SS G_CDS: -0.66 Total: -16.01 kcal Atomic # 14 Polarization: 20.86 SS G_CDS: -4.49 Total: 16.37 kcal Total LS contribution 6.32 Total: 6.32 kcal Total: -32.98 -8.80 -41.78 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. ZINC001690128264.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 -45.011 kcal (2) G-P(sol) polarization free energy of solvation -32.982 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -77.993 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.799 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.781 kcal (6) G-S(sol) free energy of system = (1) + (5) -86.792 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.93 seconds