Wall clock time and date at job start Sat Apr 11 2020 06:12:02 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 1.53005 * 1 3 3 O 1.45194 * 109.46817 * 2 1 4 4 C 1.34229 * 117.00269 * 180.02562 * 3 2 1 5 5 O 1.20832 * 119.99471 * 0.02562 * 4 3 2 6 6 C 1.50695 * 120.00417 * 180.02562 * 4 3 2 7 7 H 1.08991 * 109.47167 * 59.99624 * 6 4 3 8 8 C 1.50700 * 109.47097 * 179.97438 * 6 4 3 9 9 O 1.21284 * 120.00123 * 82.01026 * 8 6 4 10 10 N 1.34773 * 120.00153 * 262.00639 * 8 6 4 11 11 C 1.46499 * 120.00309 * 174.95221 * 10 8 6 12 12 C 1.53000 * 109.47277 * 180.02562 * 11 10 8 13 13 H 1.08999 * 109.49756 * 304.99821 * 12 11 10 14 14 C 1.53038 * 109.49468 * 184.93486 * 12 11 10 15 15 C 1.53044 * 109.53764 * 178.71381 * 14 12 11 16 16 C 1.53199 * 109.33652 * 61.31798 * 15 14 12 17 17 N 1.46924 * 108.77340 * 305.38224 * 16 15 14 18 18 C 1.36941 * 120.62835 * 233.62783 * 17 16 15 19 19 H 1.07991 * 119.99978 * 148.11079 * 18 17 16 20 20 C 1.38813 * 119.99759 * 328.11257 * 18 17 16 21 21 N 1.31616 * 120.00160 * 346.41418 * 20 18 17 22 22 Si 1.86801 * 119.99782 * 166.41331 * 20 18 17 23 23 H 1.48498 * 109.47161 * 0.02562 * 22 20 18 24 24 H 1.48504 * 109.46938 * 120.00013 * 22 20 18 25 25 H 1.48503 * 109.47355 * 240.00118 * 22 20 18 26 26 C 1.46927 * 118.74051 * 53.60871 * 17 16 15 27 27 C 1.53004 * 109.47078 * 299.99773 * 6 4 3 28 28 C 1.52998 * 109.47176 * 65.65901 * 27 6 4 29 29 C 1.53000 * 109.47126 * 185.66027 * 27 6 4 30 30 H 1.09001 * 109.46627 * 179.97438 * 1 2 3 31 31 H 1.08996 * 109.47253 * 299.99472 * 1 2 3 32 32 H 1.08997 * 109.46965 * 60.00335 * 1 2 3 33 33 H 1.08998 * 109.46856 * 240.00182 * 2 1 3 34 34 H 1.08997 * 109.46965 * 119.99665 * 2 1 3 35 35 H 0.97003 * 120.00030 * 354.96031 * 10 8 6 36 36 H 1.09003 * 109.47272 * 300.00640 * 11 10 8 37 37 H 1.08999 * 109.47206 * 60.00170 * 11 10 8 38 38 H 1.08997 * 109.46294 * 298.70581 * 14 12 11 39 39 H 1.09000 * 109.46433 * 58.66708 * 14 12 11 40 40 H 1.08999 * 109.46957 * 301.36716 * 15 14 12 41 41 H 1.08999 * 109.49685 * 181.28404 * 15 14 12 42 42 H 1.08994 * 109.58598 * 185.59066 * 16 15 14 43 43 H 1.09005 * 109.70229 * 65.23943 * 16 15 14 44 44 H 0.97007 * 119.99961 * 179.97438 * 21 20 18 45 45 H 1.09000 * 109.58470 * 186.60192 * 26 17 16 46 46 H 1.09001 * 109.70338 * 66.24880 * 26 17 16 47 47 H 1.09009 * 109.46917 * 305.65700 * 27 6 4 48 48 H 1.08995 * 109.47135 * 180.02562 * 28 27 6 49 49 H 1.09005 * 109.46989 * 299.99969 * 28 27 6 50 50 H 1.08996 * 109.47137 * 60.00191 * 28 27 6 51 51 H 1.09002 * 109.46986 * 57.91740 * 29 27 6 52 52 H 1.08999 * 109.46646 * 177.91398 * 29 27 6 53 53 H 1.08996 * 109.46960 * 297.91260 * 29 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 1.5301 0.0000 0.0000 3 8 2.0140 1.3689 0.0000 4 6 3.3447 1.5449 -0.0005 5 8 4.0807 0.5867 -0.0015 6 6 3.9206 2.9375 0.0000 7 1 3.5851 3.4691 0.8904 8 6 5.4256 2.8586 -0.0001 9 8 6.0235 2.6816 -1.0404 10 7 6.1071 2.9850 1.1557 11 6 7.5601 2.7985 1.1735 12 6 8.0821 2.9951 2.5982 13 1 7.7646 3.9690 2.9708 14 6 9.6107 2.9224 2.5966 15 6 10.1355 3.1509 4.0160 16 6 9.5994 2.0512 4.9381 17 7 8.1342 2.0197 4.8342 18 6 7.3532 2.1064 5.9558 19 1 6.3856 2.5830 5.9044 20 6 7.8054 1.5815 7.1586 21 7 8.8451 0.7746 7.1752 22 14 6.9384 2.0205 8.7540 23 1 5.8064 2.9375 8.4660 24 1 6.4223 0.7835 9.3935 25 1 7.8967 2.6889 9.6706 26 6 7.5228 1.8938 3.5042 27 6 3.4485 3.6852 -1.2486 28 6 1.9337 3.8890 -1.1788 29 6 4.1434 5.0463 -1.3213 30 1 -0.3632 -1.0277 -0.0005 31 1 -0.3633 0.5137 0.8900 32 1 -0.3633 0.5138 -0.8900 33 1 1.8933 -0.5138 -0.8900 34 1 1.8933 -0.5138 0.8900 35 1 5.6356 3.1993 1.9759 36 1 7.8013 1.7911 0.8343 37 1 8.0280 3.5267 0.5110 38 1 9.9272 1.9399 2.2467 39 1 10.0101 3.6898 1.9335 40 1 9.7990 4.1233 4.3756 41 1 11.2251 3.1217 4.0101 42 1 9.8883 2.2644 5.9673 43 1 10.0080 1.0869 4.6362 44 1 9.1613 0.4081 8.0158 45 1 6.4415 2.0030 3.5873 46 1 7.7600 0.9174 3.0816 47 1 3.6962 3.1028 -2.1362 48 1 1.5973 4.4212 -2.0685 49 1 1.4386 2.9192 -1.1270 50 1 1.6860 4.4713 -0.2913 51 1 5.2238 4.9024 -1.3338 52 1 3.8352 5.5634 -2.2300 53 1 3.8663 5.6426 -0.4521 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 ZINC000878948803.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 06:12:02 Heat of formation + Delta-G solvation = -127.461827 kcal Electronic energy + Delta-G solvation = -31231.706709 eV Core-core repulsion = 27103.217291 eV Total energy + Delta-G solvation = -4128.489418 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) -41.20656 -39.58762 -37.88700 -36.77044 -36.06448 -34.78732 -33.01461 -31.99023 -30.69025 -30.42152 -29.16896 -27.45907 -25.48044 -25.20574 -23.76654 -22.20561 -21.84652 -21.37303 -20.81141 -19.95363 -19.03483 -18.15607 -17.32858 -17.02704 -16.66189 -16.45103 -15.83896 -15.15109 -14.83775 -14.59960 -14.38902 -14.21001 -13.89883 -13.78219 -13.45013 -13.43903 -13.12006 -13.05526 -12.78963 -12.73917 -12.38475 -12.34270 -12.28413 -12.18016 -12.09756 -11.97776 -11.54108 -11.28021 -11.19583 -11.03446 -11.00875 -10.75749 -10.69530 -10.54157 -10.49987 -10.21824 -10.18861 -9.98945 -9.89173 -9.56010 -9.41568 -8.93531 -8.49336 -6.62372 -5.80317 -3.27952 1.96795 2.00163 2.89135 3.19989 3.34416 3.41969 3.43773 4.17462 4.41121 4.45669 4.49265 4.65994 4.69740 4.75075 4.98243 4.98808 5.01988 5.11819 5.29362 5.31286 5.37317 5.42431 5.43327 5.47482 5.48259 5.62044 5.62463 5.64898 5.71562 5.83678 5.87588 5.95914 6.00594 6.03012 6.10926 6.20681 6.24912 6.32814 6.37915 6.49344 6.59870 6.70393 6.78230 6.86243 6.98380 7.39020 7.50356 7.51628 7.66839 7.77281 8.18848 8.45659 9.20351 9.82288 10.41640 11.27856 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.010632 B = 0.003000 C = 0.002570 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2632.837230 B = 9330.822046 C =10892.679650 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.151 4.151 2 C 0.057 3.943 3 O -0.349 6.349 4 C 0.476 3.524 5 O -0.488 6.488 6 C -0.101 4.101 7 H 0.125 0.875 8 C 0.535 3.465 9 O -0.527 6.527 10 N -0.716 5.716 11 C 0.128 3.872 12 C -0.117 4.117 13 H 0.073 0.927 14 C -0.099 4.099 15 C -0.141 4.141 16 C 0.171 3.829 17 N -0.591 5.591 18 C -0.256 4.256 19 H 0.063 0.937 20 C 0.006 3.994 21 N -0.901 5.901 22 Si 0.902 3.098 23 H -0.277 1.277 24 H -0.290 1.290 25 H -0.289 1.289 26 C 0.154 3.846 27 C -0.074 4.074 28 C -0.157 4.157 29 C -0.151 4.151 30 H 0.079 0.921 31 H 0.068 0.932 32 H 0.066 0.934 33 H 0.070 0.930 34 H 0.073 0.927 35 H 0.403 0.597 36 H 0.067 0.933 37 H 0.064 0.936 38 H 0.057 0.943 39 H 0.047 0.953 40 H 0.054 0.946 41 H 0.049 0.951 42 H 0.082 0.918 43 H 0.018 0.982 44 H 0.253 0.747 45 H 0.048 0.952 46 H 0.019 0.981 47 H 0.085 0.915 48 H 0.060 0.940 49 H 0.077 0.923 50 H 0.059 0.941 51 H 0.064 0.936 52 H 0.063 0.937 53 H 0.058 0.942 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.722 6.102 -16.022 21.960 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 -0.208 4.208 2 C -0.017 4.017 3 O -0.266 6.266 4 C 0.317 3.683 5 O -0.373 6.373 6 C -0.123 4.123 7 H 0.143 0.857 8 C 0.319 3.681 9 O -0.403 6.403 10 N -0.367 5.367 11 C 0.004 3.996 12 C -0.138 4.138 13 H 0.091 0.909 14 C -0.138 4.138 15 C -0.181 4.181 16 C 0.045 3.955 17 N -0.313 5.313 18 C -0.386 4.386 19 H 0.081 0.919 20 C -0.193 4.193 21 N -0.544 5.544 22 Si 0.732 3.268 23 H -0.202 1.202 24 H -0.217 1.217 25 H -0.215 1.215 26 C 0.027 3.973 27 C -0.093 4.093 28 C -0.214 4.214 29 C -0.208 4.208 30 H 0.098 0.902 31 H 0.087 0.913 32 H 0.085 0.915 33 H 0.089 0.911 34 H 0.091 0.909 35 H 0.238 0.762 36 H 0.086 0.914 37 H 0.083 0.917 38 H 0.075 0.925 39 H 0.066 0.934 40 H 0.072 0.928 41 H 0.068 0.932 42 H 0.100 0.900 43 H 0.036 0.964 44 H 0.064 0.936 45 H 0.067 0.933 46 H 0.037 0.963 47 H 0.104 0.896 48 H 0.079 0.921 49 H 0.095 0.905 50 H 0.078 0.922 51 H 0.083 0.917 52 H 0.082 0.918 53 H 0.077 0.923 Dipole moment (debyes) X Y Z Total from point charges -13.001 5.528 -16.599 21.797 hybrid contribution -0.550 0.013 1.413 1.516 sum -13.551 5.541 -15.186 21.094 Atomic orbital electron populations 1.21806 0.92440 1.03074 1.03509 1.23106 0.95413 0.80153 1.02986 1.86529 1.23752 1.32346 1.83999 1.22887 0.81046 0.91287 0.73059 1.90772 1.60249 1.42619 1.43701 1.21401 0.94080 0.92530 1.04320 0.85718 1.19525 0.87767 0.76604 0.84177 1.90696 1.69937 1.48172 1.31525 1.46033 1.09399 1.71153 1.10155 1.21503 0.78402 1.01703 0.97952 1.21953 0.96803 1.01862 0.93164 0.90858 1.21336 0.93914 1.00806 0.97698 1.22172 0.98636 1.01560 0.95690 1.20752 0.83082 0.93117 0.98513 1.43994 1.01537 1.85096 1.00694 1.19166 1.01294 1.30955 0.87137 0.91926 1.25162 0.98505 0.96720 0.98940 1.70022 1.27012 1.32089 1.25321 0.86237 0.79026 0.77742 0.83819 1.20238 1.21668 1.21530 1.20897 0.95812 0.93931 0.86630 1.20924 0.96452 0.96792 0.95087 1.22071 0.93808 1.03372 1.02149 1.21905 1.01375 0.95253 1.02313 0.90196 0.91323 0.91511 0.91122 0.90872 0.76240 0.91424 0.91747 0.92451 0.93410 0.92769 0.93186 0.89980 0.96360 0.93648 0.93305 0.96301 0.89646 0.92113 0.90479 0.92196 0.91676 0.91758 0.92289 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 -0.92 10.29 37.16 0.38 -0.53 16 2 C 0.06 0.52 6.19 37.16 0.23 0.75 16 3 O -0.35 -3.67 7.40 -39.26 -0.29 -3.96 16 4 C 0.48 6.18 7.23 36.00 0.26 6.44 16 5 O -0.49 -8.22 15.78 -18.75 -0.30 -8.52 16 6 C -0.10 -1.13 2.26 -92.92 -0.21 -1.34 16 7 H 0.13 1.05 8.05 -51.93 -0.42 0.63 16 8 C 0.54 7.67 4.84 -10.99 -0.05 7.62 16 9 O -0.53 -9.24 15.68 5.55 0.09 -9.15 16 10 N -0.72 -9.88 5.33 -60.29 -0.32 -10.20 16 11 C 0.13 1.92 5.07 -4.04 -0.02 1.90 16 12 C -0.12 -1.94 2.37 -90.50 -0.21 -2.15 16 13 H 0.07 1.22 8.14 -51.93 -0.42 0.79 16 14 C -0.10 -1.65 5.17 -26.69 -0.14 -1.78 16 15 C -0.14 -2.65 6.08 -26.61 -0.16 -2.82 16 16 C 0.17 4.06 5.26 -3.71 -0.02 4.04 16 17 N -0.59 -14.59 2.98 -172.32 -0.51 -15.11 16 18 C -0.26 -6.91 9.56 -15.06 -0.14 -7.05 16 19 H 0.06 1.65 7.86 -52.49 -0.41 1.24 16 20 C 0.01 0.16 4.97 -17.43 -0.09 0.07 16 21 N -0.90 -26.09 11.27 55.49 0.63 -25.46 16 22 Si 0.90 21.40 29.57 -169.99 -5.03 16.38 16 23 H -0.28 -6.38 7.11 56.52 0.40 -5.98 16 24 H -0.29 -6.96 7.11 56.52 0.40 -6.56 16 25 H -0.29 -6.87 7.11 56.52 0.40 -6.47 16 26 C 0.15 3.17 5.60 -3.71 -0.02 3.15 16 27 C -0.07 -0.70 2.15 -90.62 -0.19 -0.90 16 28 C -0.16 -1.17 8.85 37.16 0.33 -0.84 16 29 C -0.15 -1.34 8.89 37.16 0.33 -1.01 16 30 H 0.08 0.37 8.14 -51.93 -0.42 -0.05 16 31 H 0.07 0.41 8.14 -51.93 -0.42 -0.01 16 32 H 0.07 0.37 8.14 -51.93 -0.42 -0.06 16 33 H 0.07 0.64 8.13 -51.93 -0.42 0.22 16 34 H 0.07 0.71 8.13 -51.93 -0.42 0.28 16 35 H 0.40 4.92 7.64 -40.82 -0.31 4.61 16 36 H 0.07 1.12 8.14 -51.93 -0.42 0.70 16 37 H 0.06 0.93 8.14 -51.93 -0.42 0.50 16 38 H 0.06 0.97 8.14 -51.93 -0.42 0.54 16 39 H 0.05 0.69 8.14 -51.93 -0.42 0.26 16 40 H 0.05 1.03 8.14 -51.93 -0.42 0.60 16 41 H 0.05 0.85 8.14 -51.93 -0.42 0.43 16 42 H 0.08 2.17 6.25 -51.93 -0.32 1.85 16 43 H 0.02 0.46 8.14 -51.93 -0.42 0.04 16 44 H 0.25 7.08 8.31 -40.82 -0.34 6.74 16 45 H 0.05 0.97 7.14 -51.93 -0.37 0.60 16 46 H 0.02 0.42 8.14 -51.93 -0.42 0.00 16 47 H 0.09 0.95 8.04 -51.92 -0.42 0.53 16 48 H 0.06 0.39 8.14 -51.93 -0.42 -0.03 16 49 H 0.08 0.61 5.48 -51.93 -0.28 0.33 16 50 H 0.06 0.40 8.14 -51.93 -0.42 -0.03 16 51 H 0.06 0.72 6.44 -51.93 -0.33 0.39 16 52 H 0.06 0.49 8.14 -51.93 -0.42 0.07 16 53 H 0.06 0.45 8.14 -51.93 -0.42 0.02 16 LS Contribution 415.85 15.07 6.27 6.27 Total: -1.00 -33.20 415.85 -8.82 -42.02 By element: Atomic # 1 Polarization: 11.81 SS G_CDS: -9.62 Total: 2.19 kcal Atomic # 6 Polarization: 5.28 SS G_CDS: 0.27 Total: 5.54 kcal Atomic # 7 Polarization: -50.56 SS G_CDS: -0.21 Total: -50.77 kcal Atomic # 8 Polarization: -21.12 SS G_CDS: -0.50 Total: -21.62 kcal Atomic # 14 Polarization: 21.40 SS G_CDS: -5.03 Total: 16.38 kcal Total LS contribution 6.27 Total: 6.27 kcal Total: -33.20 -8.82 -42.02 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. ZINC000878948803.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 -85.446 kcal (2) G-P(sol) polarization free energy of solvation -33.197 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -118.643 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.819 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.016 kcal (6) G-S(sol) free energy of system = (1) + (5) -127.462 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.97 seconds