Wall clock time and date at job start Sat Apr 11 2020 06:10:22 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 1.42903 * 1 3 3 C 1.42902 * 113.99515 * 2 1 4 4 C 1.53003 * 109.47446 * 59.99627 * 3 2 1 5 5 C 1.53000 * 109.47165 * 299.99614 * 3 2 1 6 6 C 1.53003 * 109.47116 * 179.97438 * 3 2 1 7 7 N 1.46904 * 109.46953 * 294.65735 * 6 3 2 8 8 C 1.48587 * 110.99909 * 59.01970 * 7 6 3 9 9 C 1.55043 * 103.27846 * 159.44471 * 8 7 6 10 10 C 1.54107 * 102.81368 * 322.97397 * 9 8 7 11 11 C 1.48037 * 110.99971 * 176.43549 * 7 6 3 12 12 C 1.52433 * 110.13577 * 140.96401 * 10 9 8 13 13 N 1.46199 * 109.95279 * 169.22206 * 12 10 9 14 14 C 1.46499 * 118.77235 * 162.45348 * 13 12 10 15 15 C 1.53003 * 109.46733 * 270.01930 * 14 13 12 16 16 C 1.50698 * 109.46944 * 180.02562 * 15 14 13 17 17 H 1.08001 * 119.99964 * 0.02562 * 16 15 14 18 18 C 1.37878 * 119.99931 * 179.97438 * 16 15 14 19 19 N 1.31505 * 120.00074 * 0.02562 * 18 16 15 20 20 Si 1.86796 * 119.99730 * 179.97438 * 18 16 15 21 21 H 1.48501 * 109.47097 * 60.00434 * 20 18 16 22 22 H 1.48508 * 109.47072 * 180.02562 * 20 18 16 23 23 H 1.48497 * 109.47640 * 300.00136 * 20 18 16 24 24 C 1.33844 * 122.45243 * 342.46970 * 13 12 10 25 25 O 1.21283 * 118.69902 * 182.42426 * 24 13 12 26 26 C 1.50301 * 122.60529 * 2.41041 * 24 13 12 27 27 O 1.42586 * 110.04709 * 262.53934 * 10 9 8 28 28 H 1.08993 * 109.47552 * 300.00357 * 1 2 3 29 29 H 1.09002 * 109.46686 * 60.00665 * 1 2 3 30 30 H 1.09000 * 109.46746 * 179.97438 * 1 2 3 31 31 H 1.09001 * 109.47308 * 179.97438 * 4 3 2 32 32 H 1.08995 * 109.46834 * 299.99768 * 4 3 2 33 33 H 1.09001 * 109.47005 * 59.99918 * 4 3 2 34 34 H 1.09004 * 109.47214 * 306.23167 * 5 3 2 35 35 H 1.09003 * 109.47514 * 66.23281 * 5 3 2 36 36 H 1.09004 * 109.47230 * 186.23751 * 5 3 2 37 37 H 1.08994 * 109.47602 * 174.65791 * 6 3 2 38 38 H 1.09001 * 109.46996 * 54.65492 * 6 3 2 39 39 H 1.08999 * 110.65658 * 40.99723 * 8 7 6 40 40 H 1.08995 * 110.65488 * 277.89450 * 8 7 6 41 41 H 1.09000 * 110.74045 * 204.63842 * 9 8 7 42 42 H 1.09003 * 110.74497 * 81.30406 * 9 8 7 43 43 H 1.08999 * 109.97752 * 94.89522 * 11 7 6 44 44 H 1.09000 * 109.97851 * 333.60886 * 11 7 6 45 45 H 1.08995 * 109.39055 * 289.37477 * 12 10 9 46 46 H 1.09007 * 109.38341 * 49.07836 * 12 10 9 47 47 H 1.08993 * 109.46997 * 30.02053 * 14 13 12 48 48 H 1.09003 * 109.46847 * 150.02443 * 14 13 12 49 49 H 1.09000 * 109.47211 * 300.00125 * 15 14 13 50 50 H 1.09003 * 109.46897 * 60.00091 * 15 14 13 51 51 H 0.97003 * 119.99959 * 180.02562 * 19 18 16 52 52 H 1.09008 * 109.39996 * 223.40779 * 26 24 13 53 53 H 1.08999 * 109.33204 * 103.62895 * 26 24 13 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 2.0102 1.3055 0.0000 4 6 1.5586 2.0649 1.2492 5 6 1.5587 2.0647 -1.2493 6 6 3.5354 1.1848 0.0006 7 7 3.9774 0.5704 1.2597 8 6 3.3736 -0.7757 1.4361 9 6 4.3171 -1.4579 2.4599 10 6 5.7060 -0.9328 2.0473 11 6 5.4427 0.3592 1.2612 12 6 6.5457 -0.6411 3.2856 13 7 7.9336 -0.3912 2.8997 14 6 8.8206 0.2801 3.8530 15 6 8.7468 1.7934 3.6396 16 6 9.6597 2.4840 4.6198 17 1 10.2353 1.9017 5.3242 18 6 9.7610 3.8590 4.6166 19 7 9.0606 4.5679 3.7585 20 14 10.8920 4.7150 5.8320 21 1 12.2871 4.2521 5.6206 22 1 10.8206 6.1838 5.6249 23 1 10.4672 4.3898 7.2173 24 6 8.4238 -0.7526 1.7079 25 8 9.5972 -0.5520 1.4757 26 6 7.5780 -1.3975 0.6460 27 8 6.3654 -1.8907 1.2223 28 1 -0.3634 0.5138 0.8899 29 1 -0.3633 0.5137 -0.8901 30 1 -0.3633 -1.0277 -0.0005 31 1 2.0022 3.0605 1.2494 32 1 0.4720 2.1509 1.2491 33 1 1.8802 1.5240 2.1392 34 1 1.7820 1.4711 -2.1358 35 1 0.4855 2.2476 -1.1954 36 1 2.0871 3.0164 -1.3069 37 1 3.9784 2.1761 -0.0950 38 1 3.8511 0.5634 -0.8374 39 1 3.3700 -1.3221 0.4929 40 1 2.3639 -0.6944 1.8384 41 1 4.2704 -2.5427 2.3646 42 1 4.0733 -1.1477 3.4760 43 1 5.9394 1.1988 1.7475 44 1 5.8047 0.2534 0.2386 45 1 6.1477 0.2370 3.7941 46 1 6.5060 -1.4970 3.9596 47 1 8.5089 0.0409 4.8697 48 1 9.8447 -0.0593 3.6974 49 1 9.0584 2.0325 2.6228 50 1 7.7227 2.1327 3.7951 51 1 9.1321 5.5353 3.7561 52 1 8.1283 -2.2246 0.1974 53 1 7.3406 -0.6617 -0.1224 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 ZINC001273808173.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 06:10:22 Heat of formation + Delta-G solvation = -108.140283 kcal Electronic energy + Delta-G solvation = -32181.726130 eV Core-core repulsion = 28054.074557 eV Total energy + Delta-G solvation = -4127.651573 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.92 seconds Orbital eigenvalues (eV) -41.04252 -39.63352 -38.36194 -36.47713 -35.41159 -33.61622 -33.01058 -31.30673 -30.16229 -28.90048 -27.94582 -27.58999 -27.21915 -26.02283 -24.49095 -24.44119 -21.71506 -21.56298 -20.42070 -19.98786 -18.14736 -17.65852 -16.80560 -16.66111 -16.35966 -15.88400 -15.80751 -15.44867 -15.27127 -14.81683 -14.63799 -14.33503 -14.25344 -13.94455 -13.87653 -13.43745 -13.26685 -12.86614 -12.74794 -12.69007 -12.44786 -12.34979 -12.21818 -12.14605 -12.01712 -11.68542 -11.62057 -11.53239 -11.39521 -11.32583 -11.11670 -10.93985 -10.80936 -10.72062 -10.52340 -10.16816 -9.88699 -9.85371 -9.71403 -9.29956 -8.93954 -8.46130 -8.34870 -8.07332 -6.00414 -4.03252 2.92174 3.24850 3.34438 3.38429 3.41643 3.51495 3.62917 3.88406 4.37594 4.41563 4.47241 4.56438 4.66027 4.79102 4.82267 4.85648 5.08211 5.13321 5.15332 5.25691 5.27577 5.30694 5.35851 5.36718 5.38533 5.46559 5.49563 5.54493 5.58683 5.65657 5.67683 5.70540 5.82236 5.83919 5.88415 5.91949 6.03562 6.06826 6.11536 6.24489 6.54649 6.68579 6.78557 6.86891 6.91538 6.99584 7.03003 7.60092 7.70648 7.94687 7.99122 8.35826 8.54343 9.02572 9.60407 11.10959 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.011811 B = 0.003170 C = 0.002712 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2370.086155 B = 8830.726710 C =10322.572326 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.025 3.975 2 O -0.376 6.376 3 C 0.114 3.886 4 C -0.168 4.168 5 C -0.177 4.177 6 C 0.061 3.939 7 N -0.506 5.506 8 C 0.050 3.950 9 C -0.110 4.110 10 C 0.094 3.906 11 C 0.010 3.990 12 C 0.100 3.900 13 N -0.597 5.597 14 C 0.111 3.889 15 C 0.017 3.983 16 C -0.521 4.521 17 H 0.056 0.944 18 C 0.060 3.940 19 N -0.893 5.893 20 Si 0.894 3.106 21 H -0.276 1.276 22 H -0.287 1.287 23 H -0.276 1.276 24 C 0.481 3.519 25 O -0.541 6.541 26 C 0.047 3.953 27 O -0.362 6.362 28 H 0.044 0.956 29 H 0.040 0.960 30 H 0.081 0.919 31 H 0.066 0.934 32 H 0.050 0.950 33 H 0.079 0.921 34 H 0.062 0.938 35 H 0.060 0.940 36 H 0.069 0.931 37 H 0.091 0.909 38 H 0.043 0.957 39 H 0.052 0.948 40 H 0.093 0.907 41 H 0.086 0.914 42 H 0.091 0.909 43 H 0.098 0.902 44 H 0.054 0.946 45 H 0.094 0.906 46 H 0.071 0.929 47 H 0.064 0.936 48 H 0.076 0.924 49 H 0.020 0.980 50 H 0.016 0.984 51 H 0.261 0.739 52 H 0.126 0.874 53 H 0.085 0.915 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -20.007 -10.667 -8.137 24.089 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 -0.072 4.072 2 O -0.295 6.295 3 C 0.074 3.926 4 C -0.226 4.226 5 C -0.235 4.235 6 C -0.068 4.068 7 N -0.230 5.230 8 C -0.077 4.077 9 C -0.148 4.148 10 C 0.053 3.947 11 C -0.118 4.118 12 C -0.024 4.024 13 N -0.329 5.329 14 C -0.009 4.009 15 C -0.021 4.021 16 C -0.560 4.560 17 H 0.074 0.926 18 C -0.142 4.142 19 N -0.532 5.532 20 Si 0.722 3.278 21 H -0.202 1.202 22 H -0.213 1.213 23 H -0.202 1.202 24 C 0.267 3.733 25 O -0.419 6.419 26 C -0.033 4.033 27 O -0.281 6.281 28 H 0.063 0.937 29 H 0.058 0.942 30 H 0.100 0.900 31 H 0.085 0.915 32 H 0.069 0.931 33 H 0.098 0.902 34 H 0.081 0.919 35 H 0.079 0.921 36 H 0.088 0.912 37 H 0.109 0.891 38 H 0.061 0.939 39 H 0.071 0.929 40 H 0.111 0.889 41 H 0.105 0.895 42 H 0.109 0.891 43 H 0.116 0.884 44 H 0.073 0.927 45 H 0.112 0.888 46 H 0.089 0.911 47 H 0.082 0.918 48 H 0.094 0.906 49 H 0.038 0.962 50 H 0.034 0.966 51 H 0.071 0.929 52 H 0.144 0.856 53 H 0.103 0.897 Dipole moment (debyes) X Y Z Total from point charges -19.547 -10.372 -7.929 23.506 hybrid contribution 0.710 0.671 -0.121 0.984 sum -18.836 -9.701 -8.050 22.665 Atomic orbital electron populations 1.22742 0.81999 1.02341 1.00095 1.88059 1.19154 1.27333 1.94955 1.21503 0.92887 0.83418 0.94744 1.22290 1.00262 1.01255 0.98750 1.22388 1.01865 1.01175 0.98073 1.22308 0.92559 1.00792 0.91099 1.64904 1.04512 1.20927 1.32635 1.23287 0.98387 0.88049 0.98016 1.22541 0.90620 1.01245 1.00430 1.22280 0.93347 0.88908 0.90146 1.23566 0.89953 0.98270 1.00008 1.22010 0.81460 1.02466 0.96440 1.47728 1.11264 1.57849 1.16058 1.21953 0.93415 0.95863 0.89677 1.19338 0.97210 0.87784 0.97793 1.21044 1.25461 0.91574 1.17875 0.92595 1.24981 0.95840 0.97561 0.95819 1.69956 1.40967 1.06183 1.36067 0.86625 0.81355 0.78327 0.81494 1.20179 1.21287 1.20205 1.20686 0.88942 0.79744 0.83878 1.90745 1.16714 1.55693 1.78789 1.22832 0.84789 1.01007 0.94638 1.88074 1.36228 1.38472 1.65282 0.93732 0.94159 0.90018 0.91500 0.93111 0.90224 0.91872 0.92060 0.91178 0.89116 0.93914 0.92949 0.88911 0.89544 0.89051 0.88367 0.92744 0.88796 0.91099 0.91760 0.90574 0.96194 0.96570 0.92943 0.85604 0.89718 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 0.02 0.17 10.21 101.05 1.03 1.20 16 2 O -0.38 -3.55 6.99 -35.23 -0.25 -3.80 16 3 C 0.11 1.05 0.74 -90.62 -0.07 0.98 16 4 C -0.17 -1.54 8.03 37.16 0.30 -1.24 16 5 C -0.18 -1.37 8.06 37.16 0.30 -1.07 16 6 C 0.06 0.66 4.18 -3.82 -0.02 0.64 16 7 N -0.51 -6.03 4.39 -230.53 -1.01 -7.04 16 8 C 0.05 0.53 4.63 -1.81 -0.01 0.53 16 9 C -0.11 -1.15 6.32 -25.07 -0.16 -1.31 16 10 C 0.09 1.22 0.96 -90.06 -0.09 1.13 16 11 C 0.01 0.14 5.39 -2.93 -0.02 0.12 16 12 C 0.10 1.46 4.99 -4.49 -0.02 1.44 16 13 N -0.60 -11.02 2.80 -174.71 -0.49 -11.51 16 14 C 0.11 2.41 5.26 -4.04 -0.02 2.39 16 15 C 0.02 0.44 5.29 -27.88 -0.15 0.29 16 16 C -0.52 -14.89 9.11 -34.44 -0.31 -15.20 16 17 H 0.06 1.54 7.74 -52.49 -0.41 1.13 16 18 C 0.06 1.72 5.46 -17.82 -0.10 1.63 16 19 N -0.89 -26.98 13.29 55.43 0.74 -26.24 16 20 Si 0.89 21.87 29.54 -169.99 -5.02 16.85 16 21 H -0.28 -6.70 7.11 56.52 0.40 -6.30 16 22 H -0.29 -6.94 7.11 56.52 0.40 -6.54 16 23 H -0.28 -6.57 7.11 56.52 0.40 -6.17 16 24 C 0.48 9.10 7.43 -11.59 -0.09 9.01 16 25 O -0.54 -12.49 16.34 5.56 0.09 -12.40 16 26 C 0.05 0.67 6.42 35.81 0.23 0.90 16 27 O -0.36 -4.98 10.34 -35.23 -0.36 -5.34 16 28 H 0.04 0.29 6.42 -51.93 -0.33 -0.04 16 29 H 0.04 0.25 6.56 -51.93 -0.34 -0.09 16 30 H 0.08 0.48 8.14 -51.93 -0.42 0.05 16 31 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 32 H 0.05 0.40 6.54 -51.93 -0.34 0.06 16 33 H 0.08 0.83 6.94 -51.93 -0.36 0.47 16 34 H 0.06 0.49 8.14 -51.93 -0.42 0.07 16 35 H 0.06 0.42 6.89 -51.93 -0.36 0.06 16 36 H 0.07 0.52 8.14 -51.93 -0.42 0.10 16 37 H 0.09 0.99 8.14 -51.93 -0.42 0.56 16 38 H 0.04 0.48 7.99 -51.93 -0.41 0.06 16 39 H 0.05 0.61 7.62 -51.93 -0.40 0.21 16 40 H 0.09 0.95 6.57 -51.93 -0.34 0.61 16 41 H 0.09 0.84 8.06 -51.93 -0.42 0.42 16 42 H 0.09 0.87 7.85 -51.93 -0.41 0.46 16 43 H 0.10 1.61 7.61 -51.93 -0.40 1.21 16 44 H 0.05 0.74 5.73 -51.93 -0.30 0.44 16 45 H 0.09 1.41 7.98 -51.93 -0.41 1.00 16 46 H 0.07 0.92 8.11 -51.93 -0.42 0.50 16 47 H 0.06 1.27 8.04 -51.93 -0.42 0.85 16 48 H 0.08 1.78 7.22 -51.93 -0.38 1.40 16 49 H 0.02 0.58 8.14 -51.93 -0.42 0.16 16 50 H 0.02 0.43 8.14 -51.93 -0.42 0.01 16 51 H 0.26 7.46 8.31 -40.82 -0.34 7.12 16 52 H 0.13 1.56 8.14 -51.92 -0.42 1.14 16 53 H 0.09 1.13 6.53 -51.93 -0.34 0.79 16 LS Contribution 401.35 15.07 6.05 6.05 Total: -1.00 -33.30 401.35 -8.73 -42.03 By element: Atomic # 1 Polarization: 9.26 SS G_CDS: -9.29 Total: -0.03 kcal Atomic # 6 Polarization: 0.61 SS G_CDS: 0.82 Total: 1.43 kcal Atomic # 7 Polarization: -44.03 SS G_CDS: -0.77 Total: -44.80 kcal Atomic # 8 Polarization: -21.02 SS G_CDS: -0.52 Total: -21.54 kcal Atomic # 14 Polarization: 21.87 SS G_CDS: -5.02 Total: 16.85 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -33.30 -8.73 -42.03 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. ZINC001273808173.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 -66.105 kcal (2) G-P(sol) polarization free energy of solvation -33.302 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -99.408 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.733 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.035 kcal (6) G-S(sol) free energy of system = (1) + (5) -108.140 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.92 seconds