Wall clock time and date at job start Tue Mar 31 2020 19:24:11 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 1.52996 * 1 3 3 C 1.52998 * 109.47624 * 2 1 4 4 H 1.08998 * 109.47851 * 55.02176 * 3 2 1 5 5 C 1.53090 * 109.49594 * 175.05497 * 3 2 1 6 6 C 1.53172 * 109.16649 * 177.60084 * 5 3 2 7 7 H 1.09006 * 109.61744 * 183.10998 * 6 5 3 8 8 C 1.50695 * 109.54669 * 62.88038 * 6 5 3 9 9 O 1.21280 * 120.00159 * 352.97173 * 8 6 5 10 10 N 1.34780 * 120.00224 * 172.96378 * 8 6 5 11 11 C 1.46893 * 120.49388 * 354.73814 * 10 8 6 12 12 C 1.53320 * 108.88557 * 235.67757 * 11 10 8 13 13 C 1.52669 * 109.16886 * 307.52931 * 12 11 10 14 14 C 1.53481 * 113.61417 * 285.88196 * 13 12 11 15 15 N 1.47659 * 85.99526 * 269.04411 * 14 13 12 16 16 C 1.36934 * 134.46321 * 155.67156 * 15 14 13 17 17 H 1.08005 * 120.00333 * 180.02562 * 16 15 14 18 18 C 1.38815 * 119.99921 * 0.02562 * 16 15 14 19 19 N 1.31622 * 119.99624 * 359.97438 * 18 16 15 20 20 Si 1.86799 * 120.00159 * 179.97438 * 18 16 15 21 21 H 1.48500 * 109.47046 * 359.97438 * 20 18 16 22 22 H 1.48505 * 109.46917 * 120.00170 * 20 18 16 23 23 H 1.48501 * 109.47014 * 239.99940 * 20 18 16 24 24 C 1.47662 * 91.08100 * 335.67712 * 15 14 13 25 25 C 1.52667 * 113.20027 * 57.43064 * 13 12 11 26 26 C 1.47160 * 120.68418 * 174.88969 * 10 8 6 27 27 C 1.53181 * 109.03320 * 303.01431 * 6 5 3 28 28 C 1.53091 * 109.16303 * 56.98126 * 27 6 5 29 29 O 1.42896 * 109.41462 * 302.39157 * 28 27 6 30 30 H 1.09000 * 109.46757 * 59.99533 * 1 2 3 31 31 H 1.08999 * 109.47447 * 179.97438 * 1 2 3 32 32 H 1.08999 * 109.47106 * 300.00320 * 1 2 3 33 33 H 1.09010 * 109.47476 * 239.99998 * 2 1 3 34 34 H 1.08999 * 109.47226 * 120.00221 * 2 1 3 35 35 H 1.08997 * 109.52487 * 57.68943 * 5 3 2 36 36 H 1.09004 * 109.51924 * 297.50075 * 5 3 2 37 37 H 1.09005 * 109.58440 * 115.82366 * 11 10 8 38 38 H 1.08997 * 109.58984 * 355.53515 * 11 10 8 39 39 H 1.09005 * 109.52144 * 67.43482 * 12 11 10 40 40 H 1.08999 * 109.52267 * 187.62710 * 12 11 10 41 41 H 1.09004 * 113.79005 * 23.31867 * 14 13 12 42 42 H 1.09001 * 113.79001 * 154.77471 * 14 13 12 43 43 H 0.97005 * 119.99696 * 179.97438 * 19 18 16 44 44 H 1.09000 * 113.78892 * 270.05252 * 24 15 14 45 45 H 1.09002 * 113.79016 * 138.58701 * 24 15 14 46 46 H 1.08995 * 109.52797 * 62.48755 * 25 13 12 47 47 H 1.09006 * 109.51747 * 182.67140 * 25 13 12 48 48 H 1.09005 * 109.53063 * 4.53773 * 26 10 8 49 49 H 1.09000 * 109.67688 * 244.23581 * 26 10 8 50 50 H 1.08998 * 109.52356 * 176.88812 * 27 6 5 51 51 H 1.08998 * 109.52374 * 297.07253 * 27 6 5 52 52 H 1.09001 * 109.47962 * 62.37339 * 28 27 6 53 53 H 1.08997 * 109.48113 * 182.39149 * 28 27 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 2.0401 1.4424 0.0000 4 1 1.6059 1.9815 0.8420 5 6 3.5659 1.4448 0.1244 6 6 4.0733 2.8887 0.0633 7 1 5.1628 2.8955 0.0958 8 6 3.5291 3.6643 1.2352 9 8 2.7074 3.1572 1.9690 10 7 3.9558 4.9214 1.4680 11 6 5.0330 5.5050 0.6576 12 6 6.1550 5.9773 1.5896 13 6 5.5637 6.8822 2.6676 14 6 5.1800 8.2776 2.1566 15 7 6.5473 8.6811 2.5413 16 6 7.4024 9.6736 2.1429 17 1 8.3801 9.7575 2.5941 18 6 7.0126 10.5720 1.1591 19 7 5.8213 10.4695 0.6090 20 14 8.1787 11.9265 0.6161 21 1 9.4461 11.8256 1.3834 22 1 8.4644 11.7818 -0.8340 23 1 7.5524 13.2493 0.8675 24 6 6.6231 7.5851 3.5280 25 6 4.4649 6.2062 3.4841 26 6 3.3547 5.7323 2.5389 27 6 3.5956 3.5312 -1.2426 28 6 2.0686 3.4484 -1.3143 29 8 1.6622 2.0816 -1.2210 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3634 -1.0276 -0.0005 32 1 -0.3633 0.5139 0.8899 33 1 1.8934 -0.5139 -0.8900 34 1 1.8933 -0.5139 0.8899 35 1 3.9991 0.8715 -0.6952 36 1 3.8545 0.9973 1.0756 37 1 4.6464 6.3530 0.0921 38 1 5.4211 4.7537 -0.0301 39 1 6.6273 5.1137 2.0578 40 1 6.8965 6.5322 1.0149 41 1 4.9955 8.3173 1.0830 42 1 4.3978 8.7607 2.7422 43 1 5.5487 11.0975 -0.0783 44 1 6.2698 7.8623 4.5211 45 1 7.5858 7.0741 3.5445 46 1 4.8805 5.3504 4.0160 47 1 4.0541 6.9172 4.2009 48 1 2.6358 5.1287 3.0931 49 1 2.8499 6.5959 2.1059 50 1 3.9053 4.5759 -1.2692 51 1 4.0294 3.0001 -2.0898 52 1 1.6348 4.0137 -0.4895 53 1 1.7260 3.8660 -2.2610 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001035832785.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 31 2020 19:24:11 Heat of formation + Delta-G solvation = -38.124126 kcal Electronic energy + Delta-G solvation = -31340.971061 eV Core-core repulsion = 27406.811668 eV Total energy + Delta-G solvation = -3934.159393 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 0.97 seconds Orbital eigenvalues (eV) -41.00731 -39.46414 -38.11104 -35.76721 -34.27158 -33.79240 -32.48555 -30.97202 -30.37602 -29.87618 -27.00151 -25.90583 -25.04218 -24.00367 -23.72323 -23.04188 -21.98764 -21.24499 -20.69274 -19.08730 -17.53173 -16.75714 -16.66156 -16.49011 -16.25845 -15.72179 -15.28247 -14.80880 -14.60580 -14.55422 -14.10780 -13.96378 -13.85408 -13.70637 -13.59256 -13.43275 -13.12422 -12.66079 -12.56138 -12.28200 -12.17226 -12.00973 -11.87842 -11.74462 -11.61491 -11.27773 -11.14035 -11.08672 -11.02951 -10.94832 -10.79549 -10.77301 -10.49846 -10.36007 -10.18843 -9.77066 -9.71419 -9.47484 -9.40500 -9.15741 -8.82900 -8.40047 -6.88674 -5.79566 -3.10932 2.63669 3.07788 3.35608 3.41720 3.43735 3.72965 4.36409 4.43204 4.47211 4.62221 4.75303 4.83579 4.97572 5.01389 5.08229 5.09740 5.14001 5.26262 5.32115 5.35062 5.38047 5.43871 5.49814 5.52111 5.61875 5.63044 5.67112 5.70857 5.73223 5.81510 5.84276 5.87556 5.89482 5.94030 5.97176 6.01780 6.13859 6.15954 6.24867 6.27378 6.37749 6.39467 6.50563 6.61041 6.79614 6.83561 7.20080 7.22874 7.34111 7.52132 7.54773 7.96168 8.22660 9.02957 9.68711 10.59185 11.37412 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.022864 B = 0.002710 C = 0.002571 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1224.348297 B =10329.495298 C =10887.769181 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.148 4.148 2 C -0.113 4.113 3 C 0.076 3.924 4 H 0.092 0.908 5 C -0.126 4.126 6 C -0.112 4.112 7 H 0.099 0.901 8 C 0.518 3.482 9 O -0.547 6.547 10 N -0.601 5.601 11 C 0.105 3.895 12 C -0.096 4.096 13 C -0.110 4.110 14 C 0.175 3.825 15 N -0.610 5.610 16 C -0.219 4.219 17 H 0.078 0.922 18 C -0.008 4.008 19 N -0.921 5.921 20 Si 0.909 3.091 21 H -0.280 1.280 22 H -0.290 1.290 23 H -0.291 1.291 24 C 0.125 3.875 25 C -0.115 4.115 26 C 0.114 3.886 27 C -0.151 4.151 28 C 0.062 3.938 29 O -0.381 6.381 30 H 0.060 0.940 31 H 0.050 0.950 32 H 0.053 0.947 33 H 0.064 0.936 34 H 0.073 0.927 35 H 0.074 0.926 36 H 0.076 0.924 37 H 0.078 0.922 38 H 0.081 0.919 39 H 0.055 0.945 40 H 0.088 0.912 41 H 0.072 0.928 42 H 0.023 0.977 43 H 0.252 0.748 44 H 0.032 0.968 45 H 0.041 0.959 46 H 0.058 0.942 47 H 0.073 0.927 48 H 0.086 0.914 49 H 0.070 0.930 50 H 0.085 0.915 51 H 0.083 0.917 52 H 0.049 0.951 53 H 0.095 0.905 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.399 -18.474 -2.230 19.678 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 -0.206 4.206 2 C -0.151 4.151 3 C 0.018 3.982 4 H 0.110 0.890 5 C -0.164 4.164 6 C -0.133 4.133 7 H 0.117 0.883 8 C 0.307 3.693 9 O -0.426 6.426 10 N -0.333 5.333 11 C -0.018 4.018 12 C -0.134 4.134 13 C -0.111 4.111 14 C 0.050 3.950 15 N -0.336 5.336 16 C -0.347 4.347 17 H 0.096 0.904 18 C -0.205 4.205 19 N -0.569 5.569 20 Si 0.740 3.260 21 H -0.206 1.206 22 H -0.217 1.217 23 H -0.218 1.218 24 C -0.001 4.001 25 C -0.154 4.154 26 C -0.008 4.008 27 C -0.188 4.188 28 C -0.015 4.015 29 O -0.300 6.300 30 H 0.079 0.921 31 H 0.069 0.931 32 H 0.072 0.928 33 H 0.083 0.917 34 H 0.091 0.909 35 H 0.092 0.908 36 H 0.095 0.905 37 H 0.096 0.904 38 H 0.099 0.901 39 H 0.073 0.927 40 H 0.107 0.893 41 H 0.090 0.910 42 H 0.041 0.959 43 H 0.062 0.938 44 H 0.050 0.950 45 H 0.059 0.941 46 H 0.077 0.923 47 H 0.092 0.908 48 H 0.104 0.896 49 H 0.089 0.911 50 H 0.103 0.897 51 H 0.101 0.899 52 H 0.067 0.933 53 H 0.113 0.887 Dipole moment (debyes) X Y Z Total from point charges -6.817 -18.532 -2.172 19.865 hybrid contribution 1.000 1.299 0.011 1.639 sum -5.817 -17.233 -2.162 18.316 Atomic orbital electron populations 1.21700 0.95439 1.01115 1.02331 1.21511 0.96638 0.94771 1.02147 1.22527 0.93282 0.94209 0.88132 0.89008 1.21987 0.97243 0.94336 1.02883 1.21397 1.02006 0.96020 0.93904 0.88277 1.20541 0.81712 0.81340 0.85733 1.90584 1.34573 1.68445 1.49040 1.48191 1.36981 1.13513 1.34653 1.21941 0.87764 0.98576 0.93492 1.21473 0.97061 0.98218 0.96677 1.22382 0.96026 0.96177 0.96558 1.22228 0.87146 0.85877 0.99736 1.46000 1.13336 1.33104 1.41163 1.19064 0.95068 1.04735 1.15857 0.90400 1.24749 0.96946 0.99314 0.99468 1.69822 1.18702 1.38631 1.29698 0.86092 0.79845 0.81903 0.78203 1.20550 1.21739 1.21827 1.22579 0.95939 0.88856 0.92714 1.21786 0.96051 1.00039 0.97552 1.21648 0.95826 0.94634 0.88686 1.22286 0.97812 1.02324 0.96423 1.22499 0.93197 0.83617 1.02147 1.87864 1.78710 1.24249 1.39189 0.92092 0.93097 0.92837 0.91681 0.90870 0.90780 0.90499 0.90362 0.90118 0.92652 0.89348 0.91015 0.95931 0.93791 0.95021 0.94092 0.92293 0.90841 0.89608 0.91129 0.89693 0.89885 0.93296 0.88723 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 -0.15 -1.41 9.81 37.16 0.36 -1.04 16 2 C -0.11 -1.11 5.64 -26.73 -0.15 -1.26 16 3 C 0.08 0.88 2.36 -26.69 -0.06 0.82 16 4 H 0.09 1.29 5.56 -51.93 -0.29 1.00 16 5 C -0.13 -1.32 4.58 -26.60 -0.12 -1.45 16 6 C -0.11 -1.20 2.18 -91.59 -0.20 -1.40 16 7 H 0.10 0.93 7.09 -51.93 -0.37 0.56 16 8 C 0.52 6.96 5.74 -10.99 -0.06 6.90 16 9 O -0.55 -8.71 13.05 5.56 0.07 -8.64 16 10 N -0.60 -8.07 2.95 -172.45 -0.51 -8.58 16 11 C 0.10 1.37 4.89 -3.66 -0.02 1.35 16 12 C -0.10 -1.47 5.21 -26.74 -0.14 -1.61 16 13 C -0.11 -1.89 0.77 -154.43 -0.12 -2.01 16 14 C 0.18 3.84 6.32 -3.17 -0.02 3.82 16 15 N -0.61 -14.94 3.53 -179.75 -0.63 -15.58 16 16 C -0.22 -5.97 10.70 -15.06 -0.16 -6.13 16 17 H 0.08 2.07 7.83 -52.48 -0.41 1.66 16 18 C -0.01 -0.23 5.50 -17.43 -0.10 -0.33 16 19 N -0.92 -26.33 11.39 55.49 0.63 -25.69 16 20 Si 0.91 21.68 29.55 -169.99 -5.02 16.66 16 21 H -0.28 -6.51 7.11 56.52 0.40 -6.10 16 22 H -0.29 -6.94 7.11 56.52 0.40 -6.54 16 23 H -0.29 -7.05 7.11 56.52 0.40 -6.64 16 24 C 0.13 2.46 8.07 -3.15 -0.03 2.44 16 25 C -0.12 -1.68 5.25 -26.74 -0.14 -1.82 16 26 C 0.11 1.60 6.33 -3.51 -0.02 1.58 16 27 C -0.15 -1.48 5.27 -26.59 -0.14 -1.62 16 28 C 0.06 0.69 6.62 37.20 0.25 0.93 16 29 O -0.38 -4.69 9.94 -35.23 -0.35 -5.04 16 30 H 0.06 0.62 7.82 -51.93 -0.41 0.21 16 31 H 0.05 0.40 8.14 -51.93 -0.42 -0.02 16 32 H 0.05 0.52 8.14 -51.93 -0.42 0.10 16 33 H 0.06 0.60 8.14 -51.92 -0.42 0.18 16 34 H 0.07 0.65 8.14 -51.93 -0.42 0.22 16 35 H 0.07 0.68 8.14 -51.93 -0.42 0.26 16 36 H 0.08 0.82 8.11 -51.93 -0.42 0.40 16 37 H 0.08 1.12 7.52 -51.93 -0.39 0.73 16 38 H 0.08 0.86 4.98 -51.93 -0.26 0.60 16 39 H 0.05 0.78 8.14 -51.93 -0.42 0.36 16 40 H 0.09 1.57 8.01 -51.93 -0.42 1.15 16 41 H 0.07 1.72 6.47 -51.93 -0.34 1.39 16 42 H 0.02 0.53 8.07 -51.93 -0.42 0.11 16 43 H 0.25 7.02 8.31 -40.82 -0.34 6.68 16 44 H 0.03 0.62 8.09 -51.93 -0.42 0.20 16 45 H 0.04 0.78 8.09 -51.93 -0.42 0.36 16 46 H 0.06 0.84 8.14 -51.93 -0.42 0.41 16 47 H 0.07 1.06 8.12 -51.93 -0.42 0.64 16 48 H 0.09 1.22 7.00 -51.93 -0.36 0.86 16 49 H 0.07 1.01 8.09 -51.93 -0.42 0.59 16 50 H 0.08 0.82 6.09 -51.93 -0.32 0.50 16 51 H 0.08 0.72 8.14 -51.93 -0.42 0.30 16 52 H 0.05 0.61 7.38 -51.93 -0.38 0.23 16 53 H 0.09 0.90 8.14 -51.93 -0.42 0.47 16 LS Contribution 392.88 15.07 5.92 5.92 Total: -1.00 -30.76 392.88 -10.16 -40.92 By element: Atomic # 1 Polarization: 10.26 SS G_CDS: -9.40 Total: 0.86 kcal Atomic # 6 Polarization: 0.04 SS G_CDS: -0.87 Total: -0.83 kcal Atomic # 7 Polarization: -49.34 SS G_CDS: -0.51 Total: -49.85 kcal Atomic # 8 Polarization: -13.40 SS G_CDS: -0.28 Total: -13.67 kcal Atomic # 14 Polarization: 21.68 SS G_CDS: -5.02 Total: 16.66 kcal Total LS contribution 5.92 Total: 5.92 kcal Total: -30.76 -10.16 -40.92 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. ZINC001035832785.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 2.794 kcal (2) G-P(sol) polarization free energy of solvation -30.757 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -27.963 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.161 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.918 kcal (6) G-S(sol) free energy of system = (1) + (5) -38.124 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.97 seconds