Wall clock time and date at job start Sat Apr 11 2020 06:11:50 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 1.52999 * 1 3 3 O 1.42899 * 109.47236 * 2 1 4 4 C 1.42901 * 114.00129 * 184.83277 * 3 2 1 5 5 H 1.08993 * 109.46738 * 26.44236 * 4 3 2 6 6 C 1.50697 * 109.46842 * 266.44541 * 4 3 2 7 7 O 1.21282 * 120.00213 * 359.97438 * 6 4 3 8 8 N 1.34775 * 119.99840 * 180.02562 * 6 4 3 9 9 C 1.46504 * 119.99954 * 179.97438 * 8 6 4 10 10 C 1.53007 * 109.47065 * 179.97438 * 9 8 6 11 11 H 1.08996 * 109.49808 * 304.94037 * 10 9 8 12 12 C 1.53036 * 109.52224 * 184.85592 * 10 9 8 13 13 C 1.53038 * 109.53813 * 178.66889 * 12 10 9 14 14 C 1.53194 * 109.31016 * 61.36502 * 13 12 10 15 15 N 1.46964 * 108.89006 * 305.44500 * 14 13 12 16 16 C 1.36941 * 120.65132 * 233.53486 * 15 14 13 17 17 H 1.08001 * 119.99655 * 152.63951 * 16 15 14 18 18 C 1.38808 * 120.00233 * 332.63545 * 16 15 14 19 19 N 1.31617 * 120.00202 * 160.47127 * 18 16 15 20 20 Si 1.86801 * 119.99883 * 340.47607 * 18 16 15 21 21 H 1.48503 * 109.47119 * 95.05157 * 20 18 16 22 22 H 1.48502 * 109.46840 * 215.05151 * 20 18 16 23 23 H 1.48497 * 109.47323 * 335.04987 * 20 18 16 24 24 C 1.46925 * 118.71496 * 53.35329 * 15 14 13 25 25 C 1.53000 * 109.47119 * 146.44387 * 4 3 2 26 26 H 1.09000 * 110.45377 * 172.93971 * 25 4 3 27 27 C 1.54508 * 110.51369 * 295.54959 * 25 4 3 28 28 C 1.54469 * 104.06499 * 118.64377 * 27 25 4 29 29 O 1.44422 * 104.80615 * 23.97838 * 28 27 25 30 30 C 1.44428 * 105.27334 * 319.48835 * 29 28 27 31 31 H 1.09004 * 109.47132 * 300.00117 * 1 2 3 32 32 H 1.09006 * 109.47320 * 60.00177 * 1 2 3 33 33 H 1.08999 * 109.47323 * 179.97438 * 1 2 3 34 34 H 1.09004 * 109.47132 * 239.99883 * 2 1 3 35 35 H 1.09002 * 109.47037 * 119.99387 * 2 1 3 36 36 H 0.96997 * 120.00132 * 359.97438 * 8 6 4 37 37 H 1.09004 * 109.46631 * 60.00084 * 9 8 6 38 38 H 1.08991 * 109.47290 * 299.99976 * 9 8 6 39 39 H 1.09006 * 109.46226 * 298.69254 * 12 10 9 40 40 H 1.09000 * 109.46366 * 58.66463 * 12 10 9 41 41 H 1.08994 * 109.49945 * 181.31297 * 13 12 10 42 42 H 1.09000 * 109.49785 * 301.41903 * 13 12 10 43 43 H 1.08997 * 109.59095 * 65.15404 * 14 13 12 44 44 H 1.09004 * 109.58780 * 185.57888 * 14 13 12 45 45 H 0.96997 * 120.00177 * 180.02562 * 19 18 16 46 46 H 1.09000 * 109.58807 * 186.78554 * 24 15 14 47 47 H 1.08997 * 109.58187 * 66.50215 * 24 15 14 48 48 H 1.08998 * 110.50905 * 237.29122 * 27 25 4 49 49 H 1.09001 * 110.50718 * 359.97438 * 27 25 4 50 50 H 1.09007 * 110.37411 * 142.80846 * 28 27 25 51 51 H 1.09001 * 110.37506 * 265.03750 * 28 27 25 52 52 H 1.08997 * 110.36887 * 281.67642 * 30 29 28 53 53 H 1.09007 * 110.36868 * 159.34113 * 30 29 28 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 8 2.0063 1.3473 0.0000 4 6 3.4265 1.4616 -0.1100 5 1 3.8226 0.5868 -0.6254 6 6 4.0315 1.5498 1.2674 7 8 3.3168 1.5183 2.2468 8 7 5.3666 1.6647 1.4109 9 6 5.9547 1.7509 2.7499 10 6 7.4753 1.8733 2.6322 11 1 7.8624 1.0432 2.0414 12 6 8.1006 1.8417 4.0287 13 6 9.6237 1.9306 3.9096 14 6 10.0030 3.2552 3.2399 15 7 9.2901 3.3621 1.9592 16 6 9.9736 3.6069 0.7980 17 1 9.5760 3.2628 -0.1453 18 6 11.1772 4.2973 0.8335 19 7 12.0167 4.2088 -0.1763 20 14 11.6057 5.3521 2.3145 21 1 12.4382 4.5644 3.2590 22 1 12.3623 6.5491 1.8674 23 1 10.3572 5.7811 2.9945 24 6 7.8302 3.1972 1.9480 25 6 3.7767 2.7226 -0.9026 26 1 4.8532 2.8935 -0.8904 27 6 3.2629 2.6092 -2.3553 28 6 2.2616 3.7775 -2.4915 29 8 2.6724 4.7343 -1.4907 30 6 3.0250 3.9461 -0.3330 31 1 -0.3633 0.5139 0.8900 32 1 -0.3634 0.5138 -0.8900 33 1 -0.3634 -1.0276 -0.0005 34 1 1.8933 -0.5139 -0.8900 35 1 1.8933 -0.5137 0.8901 36 1 5.9382 1.6903 0.6276 37 1 5.7055 0.8526 3.3147 38 1 5.5583 2.6257 3.2652 39 1 7.7319 2.6862 4.6109 40 1 7.8293 0.9110 4.5271 41 1 10.0696 1.8846 4.9031 42 1 9.9906 1.1000 3.3067 43 1 9.7172 4.0859 3.8850 44 1 11.0783 3.2805 3.0629 45 1 12.8580 4.6910 -0.1514 46 1 7.4718 3.1841 0.9187 47 1 7.3652 4.0229 2.4865 48 1 4.0849 2.7264 -3.0613 49 1 2.7597 1.6546 -2.5089 50 1 2.3257 4.2181 -3.4865 51 1 1.2466 3.4323 -2.2948 52 1 2.1273 3.6272 0.1966 53 1 3.6756 4.5162 0.3303 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 ZINC000878946579.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 06:11:50 Heat of formation + Delta-G solvation = -114.756829 kcal Electronic energy + Delta-G solvation = -31552.228325 eV Core-core repulsion = 27424.289837 eV Total energy + Delta-G solvation = -4127.938488 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.97 seconds Orbital eigenvalues (eV) -40.66259 -39.11646 -38.25048 -37.49924 -34.99985 -33.62312 -32.93045 -31.18345 -31.01829 -30.78454 -29.53683 -27.15857 -25.50020 -25.06487 -23.34187 -22.93327 -22.07077 -21.55461 -21.08479 -20.25950 -19.40585 -17.86337 -17.25969 -16.74807 -16.35907 -16.23031 -15.70856 -15.45216 -15.39587 -15.14224 -14.99542 -14.51765 -14.05310 -13.92486 -13.82124 -13.52751 -13.43661 -13.24190 -12.90938 -12.66487 -12.55761 -12.46309 -12.20755 -12.13051 -11.94695 -11.69830 -11.67201 -11.51439 -11.45872 -11.05248 -10.93425 -10.86937 -10.65273 -10.57361 -10.53328 -10.16617 -9.94192 -9.84988 -9.69891 -9.48495 -9.34650 -9.05563 -8.66809 -7.02166 -5.98867 -3.35732 2.47385 2.93142 3.29630 3.42153 3.46692 3.48991 3.84122 4.19267 4.44846 4.49543 4.58926 4.64178 4.75025 4.77087 4.88532 4.91081 5.04347 5.09951 5.11276 5.17259 5.17747 5.19393 5.23599 5.38439 5.39930 5.51222 5.57388 5.58122 5.65001 5.72294 5.75521 5.76505 5.77631 5.83976 5.89293 5.97067 6.05253 6.07413 6.25443 6.32844 6.38873 6.51389 6.51712 6.63761 6.66040 6.66348 6.77380 6.92057 7.45288 7.90518 8.14681 8.27261 8.88628 9.67576 10.05217 11.16951 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.013627 B = 0.002983 C = 0.002602 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2054.240119 B = 9384.096778 C =10757.574427 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.149 4.149 2 C 0.055 3.945 3 O -0.352 6.352 4 C 0.083 3.917 5 H 0.091 0.909 6 C 0.489 3.511 7 O -0.528 6.528 8 N -0.722 5.722 9 C 0.128 3.872 10 C -0.120 4.120 11 H 0.078 0.922 12 C -0.101 4.101 13 C -0.134 4.134 14 C 0.123 3.877 15 N -0.606 5.606 16 C -0.261 4.261 17 H 0.085 0.915 18 C 0.024 3.976 19 N -0.909 5.909 20 Si 0.884 3.116 21 H -0.290 1.290 22 H -0.304 1.304 23 H -0.269 1.269 24 C 0.157 3.843 25 C -0.119 4.119 26 H 0.104 0.896 27 C -0.145 4.145 28 C 0.048 3.952 29 O -0.374 6.374 30 C 0.054 3.946 31 H 0.065 0.935 32 H 0.061 0.939 33 H 0.070 0.930 34 H 0.048 0.952 35 H 0.052 0.948 36 H 0.403 0.597 37 H 0.063 0.937 38 H 0.067 0.933 39 H 0.058 0.942 40 H 0.053 0.947 41 H 0.055 0.945 42 H 0.064 0.936 43 H 0.026 0.974 44 H 0.071 0.929 45 H 0.263 0.737 46 H 0.059 0.941 47 H 0.024 0.976 48 H 0.081 0.919 49 H 0.078 0.922 50 H 0.089 0.911 51 H 0.060 0.940 52 H 0.076 0.924 53 H 0.091 0.909 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -19.522 -9.144 -0.918 21.577 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 -0.022 4.022 3 O -0.269 6.269 4 C 0.021 3.979 5 H 0.109 0.891 6 C 0.274 3.726 7 O -0.404 6.404 8 N -0.376 5.376 9 C 0.004 3.996 10 C -0.140 4.140 11 H 0.096 0.904 12 C -0.139 4.139 13 C -0.173 4.173 14 C -0.002 4.002 15 N -0.329 5.329 16 C -0.389 4.389 17 H 0.103 0.897 18 C -0.175 4.175 19 N -0.552 5.552 20 Si 0.715 3.285 21 H -0.217 1.217 22 H -0.232 1.232 23 H -0.194 1.194 24 C 0.031 3.969 25 C -0.138 4.138 26 H 0.122 0.878 27 C -0.182 4.182 28 C -0.029 4.029 29 O -0.292 6.292 30 C -0.023 4.023 31 H 0.084 0.916 32 H 0.081 0.919 33 H 0.089 0.911 34 H 0.066 0.934 35 H 0.071 0.929 36 H 0.238 0.762 37 H 0.081 0.919 38 H 0.085 0.915 39 H 0.077 0.923 40 H 0.072 0.928 41 H 0.073 0.927 42 H 0.083 0.917 43 H 0.044 0.956 44 H 0.089 0.911 45 H 0.073 0.927 46 H 0.077 0.923 47 H 0.042 0.958 48 H 0.100 0.900 49 H 0.097 0.903 50 H 0.107 0.893 51 H 0.079 0.921 52 H 0.094 0.906 53 H 0.109 0.891 Dipole moment (debyes) X Y Z Total from point charges -20.022 -8.703 -0.311 21.833 hybrid contribution 0.980 0.055 0.479 1.092 sum -19.042 -8.648 0.168 20.914 Atomic orbital electron populations 1.21711 0.93440 1.02227 1.03217 1.22609 0.95920 0.83488 1.00145 1.87977 1.18149 1.26661 1.94138 1.21941 0.83611 0.99647 0.92692 0.89095 1.21205 0.82549 0.76894 0.91938 1.90707 1.60575 1.48847 1.40291 1.46142 1.06915 1.74334 1.10194 1.21444 0.93211 1.01751 0.83204 1.21952 0.91995 1.01610 0.98460 0.90398 1.21341 0.96158 1.00927 0.95444 1.21995 0.95080 1.00454 0.99816 1.21375 0.97228 0.94099 0.87501 1.44326 1.01053 1.83446 1.04072 1.18886 1.03418 1.30556 0.86072 0.89746 1.25259 0.96932 0.98650 0.96689 1.69815 1.09261 1.43868 1.32268 0.86928 0.77992 0.80632 0.82924 1.21740 1.23225 1.19406 1.20910 0.85134 0.92602 0.98289 1.22752 1.02117 0.93932 0.95027 0.87797 1.22939 0.99847 1.00026 0.95426 1.23351 0.97386 0.89107 0.93015 1.89135 1.86378 1.29886 1.23847 1.23412 0.99340 0.90543 0.89029 0.91582 0.91942 0.91112 0.93369 0.92940 0.76160 0.91861 0.91457 0.92294 0.92799 0.92654 0.91739 0.95616 0.91142 0.92744 0.92280 0.95813 0.90049 0.90286 0.89301 0.92147 0.90565 0.89060 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -1.10 10.28 37.16 0.38 -0.72 16 2 C 0.05 0.48 6.53 37.16 0.24 0.72 16 3 O -0.35 -3.85 7.93 -55.14 -0.44 -4.29 16 4 C 0.08 0.83 2.07 -27.88 -0.06 0.78 16 5 H 0.09 0.71 7.67 -51.93 -0.40 0.31 16 6 C 0.49 6.23 6.87 -10.99 -0.08 6.16 16 7 O -0.53 -8.70 16.50 -14.36 -0.24 -8.93 16 8 N -0.72 -8.52 5.18 -60.29 -0.31 -8.84 16 9 C 0.13 1.65 5.07 -4.04 -0.02 1.63 16 10 C -0.12 -1.74 2.38 -90.50 -0.22 -1.96 16 11 H 0.08 1.18 8.14 -51.93 -0.42 0.75 16 12 C -0.10 -1.45 5.17 -26.69 -0.14 -1.59 16 13 C -0.13 -2.25 6.08 -26.61 -0.16 -2.41 16 14 C 0.12 2.60 4.18 -3.69 -0.02 2.59 16 15 N -0.61 -13.70 2.78 -172.29 -0.48 -14.18 16 16 C -0.26 -7.02 10.05 -15.06 -0.15 -7.17 16 17 H 0.08 2.39 8.05 -52.49 -0.42 1.97 16 18 C 0.02 0.67 5.25 -17.43 -0.09 0.58 16 19 N -0.91 -27.37 13.97 55.49 0.78 -26.60 16 20 Si 0.88 22.17 24.34 -169.99 -4.14 18.04 16 21 H -0.29 -7.02 6.71 56.52 0.38 -6.64 16 22 H -0.30 -7.80 7.11 56.52 0.40 -7.40 16 23 H -0.27 -6.63 6.38 56.52 0.36 -6.27 16 24 C 0.16 2.84 5.60 -3.71 -0.02 2.82 16 25 C -0.12 -1.18 2.92 -89.05 -0.26 -1.44 16 26 H 0.10 0.99 7.45 -51.93 -0.39 0.60 16 27 C -0.14 -1.21 6.56 -25.17 -0.17 -1.38 16 28 C 0.05 0.46 7.63 37.93 0.29 0.75 16 29 O -0.37 -4.86 11.65 -35.23 -0.41 -5.28 16 30 C 0.05 0.65 6.72 37.93 0.26 0.90 16 31 H 0.07 0.56 8.14 -51.93 -0.42 0.14 16 32 H 0.06 0.43 8.14 -51.93 -0.42 0.01 16 33 H 0.07 0.39 8.14 -51.93 -0.42 -0.03 16 34 H 0.05 0.33 7.98 -51.93 -0.41 -0.09 16 35 H 0.05 0.51 8.14 -51.93 -0.42 0.09 16 36 H 0.40 4.22 7.08 -40.82 -0.29 3.93 16 37 H 0.06 0.81 8.14 -51.93 -0.42 0.39 16 38 H 0.07 0.93 8.14 -51.93 -0.42 0.51 16 39 H 0.06 0.84 8.14 -51.93 -0.42 0.42 16 40 H 0.05 0.67 8.14 -51.93 -0.42 0.25 16 41 H 0.05 0.82 8.14 -51.93 -0.42 0.39 16 42 H 0.06 1.12 8.14 -51.93 -0.42 0.69 16 43 H 0.03 0.55 6.93 -51.93 -0.36 0.19 16 44 H 0.07 1.64 4.47 -51.93 -0.23 1.41 16 45 H 0.26 7.54 8.31 -40.82 -0.34 7.20 16 46 H 0.06 1.03 7.13 -51.93 -0.37 0.66 16 47 H 0.02 0.44 8.14 -51.93 -0.42 0.02 16 48 H 0.08 0.63 8.14 -51.93 -0.42 0.21 16 49 H 0.08 0.57 7.65 -51.93 -0.40 0.17 16 50 H 0.09 0.72 8.14 -51.93 -0.42 0.29 16 51 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 52 H 0.08 0.99 6.88 -51.93 -0.36 0.63 16 53 H 0.09 1.13 8.14 -51.92 -0.42 0.71 16 LS Contribution 405.80 15.07 6.12 6.12 Total: -1.00 -33.14 405.80 -8.92 -42.06 By element: Atomic # 1 Polarization: 11.23 SS G_CDS: -9.59 Total: 1.64 kcal Atomic # 6 Polarization: 0.47 SS G_CDS: -0.20 Total: 0.26 kcal Atomic # 7 Polarization: -49.60 SS G_CDS: -0.02 Total: -49.62 kcal Atomic # 8 Polarization: -17.41 SS G_CDS: -1.08 Total: -18.49 kcal Atomic # 14 Polarization: 22.17 SS G_CDS: -4.14 Total: 18.04 kcal Total LS contribution 6.12 Total: 6.12 kcal Total: -33.14 -8.92 -42.06 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. ZINC000878946579.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 -72.702 kcal (2) G-P(sol) polarization free energy of solvation -33.137 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -105.838 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.918 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.055 kcal (6) G-S(sol) free energy of system = (1) + (5) -114.757 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.97 seconds