Wall clock time and date at job start Sat Apr 11 2020 06:08:47 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 N 2 2 C 1.31630 * 1 3 3 Si 1.86800 * 120.00123 * 2 1 4 4 H 1.48500 * 109.46964 * 269.99715 * 3 2 1 5 5 H 1.48502 * 109.47162 * 29.99932 * 3 2 1 6 6 H 1.48502 * 109.47082 * 149.99716 * 3 2 1 7 7 C 1.38805 * 119.99762 * 180.02562 * 2 1 3 8 8 H 1.08002 * 119.99890 * 359.97438 * 7 2 1 9 9 S 1.76193 * 119.99712 * 180.02562 * 7 2 1 10 10 C 1.81001 * 99.99903 * 180.02562 * 9 7 2 11 11 C 1.50700 * 109.47285 * 180.02562 * 10 9 7 12 12 O 1.21279 * 120.00052 * 359.97438 * 11 10 9 13 13 N 1.34772 * 120.00283 * 180.02562 * 11 10 9 14 14 C 1.46494 * 120.00349 * 179.97438 * 13 11 10 15 15 C 1.53004 * 109.47515 * 184.95465 * 14 13 11 16 16 H 1.09006 * 109.87729 * 54.84938 * 15 14 13 17 17 C 1.54322 * 109.88599 * 293.82356 * 15 14 13 18 18 C 1.55553 * 102.82719 * 218.17703 * 17 15 14 19 19 C 1.54899 * 101.66849 * 35.68610 * 18 17 15 20 20 N 1.47433 * 109.89310 * 175.88509 * 15 14 13 21 21 C 1.46902 * 111.00156 * 356.31151 * 20 15 14 22 22 C 1.53002 * 109.47465 * 176.04155 * 21 20 15 23 23 C 1.52997 * 109.46829 * 179.97438 * 22 21 20 24 24 C 1.54263 * 110.03317 * 292.90446 * 23 22 21 25 25 C 1.54972 * 104.15910 * 217.14053 * 24 23 22 26 26 C 1.54883 * 102.77915 * 37.88740 * 25 24 23 27 27 C 1.53877 * 110.02857 * 175.68902 * 23 22 21 28 28 H 0.97005 * 119.99934 * 359.97438 * 1 2 3 29 29 H 1.08997 * 109.47188 * 59.99789 * 10 9 7 30 30 H 1.09008 * 109.46859 * 299.99455 * 10 9 7 31 31 H 0.97005 * 119.99849 * 359.97438 * 13 11 10 32 32 H 1.09000 * 109.47519 * 64.95366 * 14 13 11 33 33 H 1.09001 * 109.47279 * 304.94794 * 14 13 11 34 34 H 1.08998 * 110.70690 * 336.52768 * 17 15 14 35 35 H 1.09005 * 110.70250 * 99.76443 * 17 15 14 36 36 H 1.08996 * 111.01282 * 277.57216 * 18 17 15 37 37 H 1.08994 * 110.98059 * 153.78221 * 18 17 15 38 38 H 1.08995 * 110.37630 * 204.06082 * 19 18 17 39 39 H 1.09001 * 110.46920 * 81.77094 * 19 18 17 40 40 H 1.09006 * 109.46805 * 296.04302 * 21 20 15 41 41 H 1.08998 * 109.47250 * 56.03461 * 21 20 15 42 42 H 1.09003 * 109.46585 * 299.99523 * 22 21 20 43 43 H 1.08994 * 109.47232 * 59.99874 * 22 21 20 44 44 H 1.09001 * 110.01751 * 54.29988 * 23 22 21 45 45 H 1.08998 * 110.48729 * 335.78855 * 24 23 22 46 46 H 1.09001 * 110.48532 * 98.43573 * 24 23 22 47 47 H 1.09002 * 110.71553 * 279.57421 * 25 24 23 48 48 H 1.08998 * 110.76102 * 156.22829 * 25 24 23 49 49 H 1.08995 * 110.48737 * 203.40561 * 26 25 24 50 50 H 1.09001 * 110.48537 * 80.76289 * 26 25 24 51 51 H 1.09001 * 110.03474 * 238.56831 * 27 23 22 52 52 H 1.09001 * 110.03309 * 359.95131 * 27 23 22 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 7 0.0000 0.0000 0.0000 2 6 1.3163 0.0000 0.0000 3 14 2.2503 1.6177 0.0000 4 1 2.4979 2.0463 -1.4001 5 1 1.4478 2.6527 0.7000 6 1 3.5479 1.4401 0.7001 7 6 2.0103 -1.2021 -0.0005 8 1 1.4702 -2.1374 -0.0005 9 16 3.7722 -1.2021 0.0001 10 6 4.0865 -2.9846 -0.0017 11 6 5.5729 -3.2326 -0.0008 12 8 6.3439 -2.2965 0.0005 13 7 6.0456 -4.4948 -0.0024 14 6 7.4905 -4.7359 -0.0021 15 6 7.7572 -6.2372 -0.1288 16 1 7.2530 -6.6300 -1.0118 17 6 7.2520 -6.9684 1.1329 18 6 8.3400 -8.0567 1.3602 19 6 9.6252 -7.3111 0.9224 20 7 9.2076 -6.4824 -0.2286 21 6 9.9541 -5.2177 -0.2651 22 6 11.4556 -5.5117 -0.2690 23 6 12.2329 -4.1944 -0.3077 24 6 12.0056 -3.4861 -1.6591 25 6 13.3790 -2.8484 -1.9886 26 6 14.3819 -3.9208 -1.4956 27 6 13.7431 -4.4705 -0.2034 28 1 -0.4850 0.8401 0.0004 29 1 3.6439 -3.4306 -0.8923 30 1 3.6432 -3.4326 0.8877 31 1 5.4289 -5.2436 -0.0038 32 1 7.9201 -4.3680 0.9297 33 1 7.9462 -4.2138 -0.8434 34 1 7.2052 -6.2856 1.9812 35 1 6.2793 -7.4250 0.9501 36 1 8.1596 -8.9273 0.7296 37 1 8.3928 -8.3422 2.4107 38 1 10.3923 -8.0234 0.6187 39 1 9.9936 -6.6796 1.7309 40 1 9.6895 -4.6656 -1.1670 41 1 9.7027 -4.6220 0.6124 42 1 11.7201 -6.0637 0.6329 43 1 11.7069 -6.1073 -1.1465 44 1 11.9140 -3.5488 0.5106 45 1 11.7267 -4.2085 -2.4263 46 1 11.2400 -2.7163 -1.5623 47 1 13.5118 -1.9149 -1.4417 48 1 13.4825 -2.6868 -3.0616 49 1 15.3495 -3.4678 -1.2801 50 1 14.4872 -4.7136 -2.2362 51 1 14.1573 -3.9581 0.6649 52 1 13.9222 -5.5428 -0.1244 RHF calculation, no. of doubly occupied orbitals= 63 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC001731822138.mol2 52 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 06:08:47 Heat of formation + Delta-G solvation = -57.046877 kcal Electronic energy + Delta-G solvation = -27366.696354 eV Core-core repulsion = 23684.013228 eV Total energy + Delta-G solvation = -3682.683126 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.57 seconds Orbital eigenvalues (eV) -40.36629 -39.02501 -38.42836 -34.63863 -33.74901 -32.44341 -31.12802 -30.40196 -28.99196 -28.78534 -26.51260 -25.65865 -24.94634 -23.33218 -21.41622 -20.96757 -20.45329 -19.82379 -19.73014 -17.85115 -16.86768 -16.54123 -16.23089 -15.83452 -15.43057 -15.35783 -15.18483 -15.03802 -14.93524 -14.13833 -13.91994 -13.62407 -13.46353 -13.43519 -13.18195 -13.16169 -12.80195 -12.73212 -12.14672 -11.96655 -11.82278 -11.60563 -11.52213 -11.40555 -11.27528 -11.26023 -11.15346 -11.05509 -11.01203 -10.92730 -10.80551 -10.72169 -10.61675 -10.57463 -9.86717 -9.56752 -9.05769 -8.99274 -8.56537 -8.50738 -6.92488 -6.29430 -4.01171 2.74108 2.96189 3.24368 3.32950 3.49964 3.54990 3.78028 4.17090 4.29499 4.32657 4.33701 4.36023 4.41716 4.51932 4.73412 4.82432 4.84329 4.86659 5.02859 5.07098 5.09587 5.11965 5.17080 5.24331 5.26454 5.30475 5.35253 5.39504 5.40902 5.47327 5.51962 5.53776 5.58568 5.62283 5.63943 5.69755 5.75137 5.78260 5.80482 5.85461 5.86096 5.97003 6.00459 6.01857 6.05493 6.19820 6.44246 6.67566 6.74430 7.58302 7.93628 8.41109 8.47322 9.16722 10.79750 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.012031 B = 0.002300 C = 0.001967 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2326.800065 B =12170.553779 C =14231.846455 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.880 5.880 2 C 0.095 3.905 3 Si 0.857 3.143 4 H -0.267 1.267 5 H -0.274 1.274 6 H -0.235 1.235 7 C -0.521 4.521 8 H 0.088 0.912 9 S -0.142 6.142 10 C -0.124 4.124 11 C 0.531 3.469 12 O -0.520 6.520 13 N -0.734 5.734 14 C 0.107 3.893 15 C 0.062 3.938 16 H 0.094 0.906 17 C -0.141 4.141 18 C -0.129 4.129 19 C 0.040 3.960 20 N -0.518 5.518 21 C 0.039 3.961 22 C -0.108 4.108 23 C -0.093 4.093 24 C -0.122 4.122 25 C -0.127 4.127 26 C -0.125 4.125 27 C -0.120 4.120 28 H 0.271 0.729 29 H 0.097 0.903 30 H 0.097 0.903 31 H 0.399 0.601 32 H 0.063 0.937 33 H 0.076 0.924 34 H 0.072 0.928 35 H 0.078 0.922 36 H 0.076 0.924 37 H 0.073 0.927 38 H 0.080 0.920 39 H 0.047 0.953 40 H 0.082 0.918 41 H 0.043 0.957 42 H 0.060 0.940 43 H 0.070 0.930 44 H 0.070 0.930 45 H 0.068 0.932 46 H 0.067 0.933 47 H 0.065 0.935 48 H 0.064 0.936 49 H 0.061 0.939 50 H 0.064 0.936 51 H 0.061 0.939 52 H 0.063 0.937 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 25.732 -17.208 0.344 30.958 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 N -0.517 5.517 2 C -0.114 4.114 3 Si 0.682 3.318 4 H -0.192 1.192 5 H -0.199 1.199 6 H -0.159 1.159 7 C -0.669 4.669 8 H 0.106 0.894 9 S 0.084 5.916 10 C -0.274 4.274 11 C 0.316 3.684 12 O -0.394 6.394 13 N -0.389 5.389 14 C -0.018 4.018 15 C -0.047 4.047 16 H 0.111 0.889 17 C -0.180 4.180 18 C -0.167 4.167 19 C -0.087 4.087 20 N -0.242 5.242 21 C -0.089 4.089 22 C -0.146 4.146 23 C -0.112 4.112 24 C -0.160 4.160 25 C -0.164 4.164 26 C -0.162 4.162 27 C -0.157 4.157 28 H 0.081 0.919 29 H 0.115 0.885 30 H 0.115 0.885 31 H 0.233 0.767 32 H 0.081 0.919 33 H 0.094 0.906 34 H 0.091 0.909 35 H 0.097 0.903 36 H 0.094 0.906 37 H 0.092 0.908 38 H 0.099 0.901 39 H 0.066 0.934 40 H 0.101 0.899 41 H 0.061 0.939 42 H 0.079 0.921 43 H 0.089 0.911 44 H 0.089 0.911 45 H 0.087 0.913 46 H 0.085 0.915 47 H 0.084 0.916 48 H 0.083 0.917 49 H 0.080 0.920 50 H 0.082 0.918 51 H 0.080 0.920 52 H 0.082 0.918 Dipole moment (debyes) X Y Z Total from point charges 26.976 -15.798 -0.116 31.262 hybrid contribution -1.328 -0.225 0.749 1.541 sum 25.648 -16.023 0.632 30.248 Atomic orbital electron populations 1.69941 1.05900 1.27757 1.48065 1.24720 0.94465 0.98976 0.93197 0.86731 0.81879 0.83269 0.79941 1.19197 1.19947 1.15944 1.22316 0.88260 0.97535 1.58771 0.89379 1.84789 1.09289 1.00058 1.97425 1.23276 0.93961 1.04396 1.05813 1.20285 0.90609 0.82236 0.75222 1.90697 1.58795 1.42202 1.47719 1.45897 1.07220 1.08098 1.77687 1.21951 0.81939 0.95571 1.02365 1.22666 0.89444 0.93577 0.98991 0.88855 1.23000 0.99437 0.97905 0.97638 1.22762 0.94319 0.98149 1.01513 1.23085 0.97747 0.96229 0.91674 1.63858 1.02398 1.16409 1.41502 1.22497 0.93628 0.90945 1.01810 1.21752 0.93569 0.96941 1.02360 1.21770 0.94781 0.96394 0.98219 1.22497 0.97256 0.99577 0.96634 1.22518 0.94963 0.98215 1.00733 1.22350 0.98300 0.98357 0.97216 1.22201 0.94783 1.00877 0.97887 0.91944 0.88456 0.88490 0.76689 0.91868 0.90628 0.90913 0.90341 0.90553 0.90801 0.90138 0.93421 0.89947 0.93927 0.92093 0.91091 0.91116 0.91314 0.91471 0.91595 0.91706 0.91991 0.91769 0.92044 0.91811 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 N -0.88 -26.57 13.97 55.49 0.78 -25.79 16 2 C 0.10 2.79 5.50 -17.43 -0.10 2.69 16 3 Si 0.86 21.84 27.74 -169.99 -4.71 17.13 16 4 H -0.27 -6.73 7.11 56.52 0.40 -6.32 16 5 H -0.27 -6.72 7.11 56.52 0.40 -6.32 16 6 H -0.24 -5.99 6.74 56.52 0.38 -5.61 16 7 C -0.52 -15.03 10.04 30.94 0.31 -14.71 16 8 H 0.09 2.64 8.03 -52.49 -0.42 2.22 16 9 S -0.14 -3.61 18.55 -107.50 -1.99 -5.60 16 10 C -0.12 -2.38 6.16 36.01 0.22 -2.16 16 11 C 0.53 9.39 7.85 -10.99 -0.09 9.31 16 12 O -0.52 -11.22 15.86 5.56 0.09 -11.13 16 13 N -0.73 -9.26 5.40 -60.30 -0.33 -9.58 16 14 C 0.11 1.21 3.71 -4.04 -0.01 1.20 16 15 C 0.06 0.54 3.51 -66.73 -0.23 0.31 16 16 H 0.09 0.83 8.14 -51.93 -0.42 0.41 16 17 C -0.14 -1.07 6.07 -24.68 -0.15 -1.22 16 18 C -0.13 -0.86 7.09 -24.37 -0.17 -1.03 16 19 C 0.04 0.29 5.34 -2.30 -0.01 0.28 16 20 N -0.52 -4.50 5.27 -223.35 -1.18 -5.68 16 21 C 0.04 0.34 3.58 -3.82 -0.01 0.33 16 22 C -0.11 -0.81 4.14 -26.73 -0.11 -0.92 16 23 C -0.09 -0.71 2.93 -89.50 -0.26 -0.97 16 24 C -0.12 -0.99 5.50 -25.03 -0.14 -1.13 16 25 C -0.13 -0.94 6.91 -24.70 -0.17 -1.11 16 26 C -0.12 -0.83 6.83 -25.07 -0.17 -1.00 16 27 C -0.12 -0.82 6.46 -25.61 -0.17 -0.98 16 28 H 0.27 7.59 8.31 -40.82 -0.34 7.25 16 29 H 0.10 1.74 8.14 -51.92 -0.42 1.32 16 30 H 0.10 1.73 8.14 -51.91 -0.42 1.31 16 31 H 0.40 3.90 8.22 -40.82 -0.34 3.56 16 32 H 0.06 0.79 6.82 -51.93 -0.35 0.43 16 33 H 0.08 0.96 6.43 -51.93 -0.33 0.63 16 34 H 0.07 0.62 7.79 -51.93 -0.40 0.21 16 35 H 0.08 0.52 8.14 -51.93 -0.42 0.09 16 36 H 0.08 0.49 8.14 -51.93 -0.42 0.07 16 37 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 38 H 0.08 0.54 8.14 -51.93 -0.42 0.12 16 39 H 0.05 0.36 7.38 -51.93 -0.38 -0.02 16 40 H 0.08 0.80 6.22 -51.93 -0.32 0.48 16 41 H 0.04 0.42 6.37 -51.93 -0.33 0.09 16 42 H 0.06 0.43 6.80 -51.93 -0.35 0.08 16 43 H 0.07 0.56 8.02 -51.93 -0.42 0.14 16 44 H 0.07 0.59 8.14 -51.93 -0.42 0.17 16 45 H 0.07 0.56 7.77 -51.93 -0.40 0.16 16 46 H 0.07 0.60 8.14 -51.93 -0.42 0.18 16 47 H 0.07 0.50 8.14 -51.93 -0.42 0.07 16 48 H 0.06 0.45 8.14 -51.93 -0.42 0.03 16 49 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 50 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 51 H 0.06 0.41 8.14 -51.93 -0.42 -0.02 16 52 H 0.06 0.41 7.67 -51.93 -0.40 0.01 16 LS Contribution 409.16 15.07 6.17 6.17 Total: -1.00 -32.95 409.16 -11.98 -44.93 By element: Atomic # 1 Polarization: 10.22 SS G_CDS: -9.53 Total: 0.69 kcal Atomic # 6 Polarization: -9.86 SS G_CDS: -1.27 Total: -11.13 kcal Atomic # 7 Polarization: -40.33 SS G_CDS: -0.73 Total: -41.05 kcal Atomic # 8 Polarization: -11.22 SS G_CDS: 0.09 Total: -11.13 kcal Atomic # 14 Polarization: 21.84 SS G_CDS: -4.71 Total: 17.13 kcal Atomic # 16 Polarization: -3.61 SS G_CDS: -1.99 Total: -5.60 kcal Total LS contribution 6.17 Total: 6.17 kcal Total: -32.95 -11.98 -44.93 kcal The number of atoms in the molecule is 52 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. ZINC001731822138.mol2 52 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 -12.115 kcal (2) G-P(sol) polarization free energy of solvation -32.953 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -45.067 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.980 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.932 kcal (6) G-S(sol) free energy of system = (1) + (5) -57.047 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.58 seconds