Wall clock time and date at job start Tue Mar 31 2020 22:55:42 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 1.53008 * 1 3 3 H 1.08998 * 109.99782 * 2 1 4 4 C 1.54336 * 109.77431 * 121.16353 * 2 1 3 5 5 H 1.09000 * 110.66481 * 215.88120 * 4 2 1 6 6 N 1.46897 * 110.85592 * 339.02768 * 4 2 1 7 7 C 1.46899 * 111.00421 * 200.14883 * 6 4 2 8 8 C 1.53001 * 109.47171 * 180.02562 * 7 6 4 9 9 C 1.53000 * 109.46924 * 180.02562 * 8 7 6 10 10 C 1.53001 * 109.46924 * 180.02562 * 9 8 7 11 11 C 1.53779 * 113.61187 * 272.49415 * 10 9 8 12 12 C 1.53783 * 87.08217 * 220.02046 * 11 10 9 13 13 C 1.53779 * 87.08017 * 25.43237 * 12 11 10 14 14 C 1.55153 * 103.02007 * 97.49880 * 4 2 1 15 15 C 1.54912 * 101.58230 * 35.30263 * 14 4 2 16 16 N 1.47014 * 109.88280 * 238.90203 * 2 1 3 17 17 C 1.34775 * 125.64784 * 59.55904 * 16 2 1 18 18 O 1.21284 * 120.00295 * 359.72212 * 17 16 2 19 19 C 1.50708 * 119.99957 * 179.71222 * 17 16 2 20 20 S 1.80998 * 109.47052 * 180.02562 * 19 17 16 21 21 C 1.76199 * 100.00013 * 180.02562 * 20 19 17 22 22 H 1.07991 * 119.99794 * 0.02562 * 21 20 19 23 23 C 1.38798 * 119.99771 * 180.02562 * 21 20 19 24 24 N 1.31633 * 120.00311 * 0.02562 * 23 21 20 25 25 Si 1.86800 * 119.99653 * 180.02562 * 23 21 20 26 26 H 1.48511 * 109.47049 * 269.99633 * 25 23 21 27 27 H 1.48494 * 109.47357 * 29.99707 * 25 23 21 28 28 H 1.48502 * 109.47120 * 150.00426 * 25 23 21 29 29 H 1.08994 * 109.46962 * 179.64309 * 1 2 3 30 30 H 1.08996 * 109.46997 * 299.64313 * 1 2 3 31 31 H 1.08993 * 109.46597 * 59.64245 * 1 2 3 32 32 H 1.00899 * 110.99794 * 76.18978 * 6 4 2 33 33 H 1.09003 * 109.46782 * 300.00107 * 7 6 4 34 34 H 1.08998 * 109.46777 * 59.99635 * 7 6 4 35 35 H 1.09003 * 109.47123 * 299.99615 * 8 7 6 36 36 H 1.08993 * 109.46990 * 59.99671 * 8 7 6 37 37 H 1.09003 * 109.46731 * 299.99640 * 9 8 7 38 38 H 1.08999 * 109.47592 * 59.99221 * 9 8 7 39 39 H 1.08996 * 112.85183 * 43.79632 * 10 9 8 40 40 H 1.09001 * 113.61549 * 334.56406 * 11 10 9 41 41 H 1.08998 * 113.61766 * 105.46977 * 11 10 9 42 42 H 1.09001 * 113.61095 * 270.88465 * 12 11 10 43 43 H 1.08996 * 113.69358 * 139.99170 * 12 11 10 44 44 H 1.08998 * 113.61680 * 220.01838 * 13 12 11 45 45 H 1.09003 * 113.61602 * 89.11595 * 13 12 11 46 46 H 1.08994 * 111.00496 * 277.22858 * 14 4 2 47 47 H 1.09003 * 111.03753 * 153.39105 * 14 4 2 48 48 H 1.09002 * 110.36666 * 204.15234 * 15 14 4 49 49 H 1.09008 * 110.36407 * 81.83372 * 15 14 4 50 50 H 1.09005 * 109.46512 * 60.00633 * 19 17 16 51 51 H 1.08991 * 109.47135 * 300.00153 * 19 17 16 52 52 H 0.97001 * 119.99662 * 359.97438 * 24 23 21 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 1 1.9028 1.0243 0.0000 4 6 2.0522 -0.7516 1.2428 5 1 2.9600 -0.2827 1.6226 6 7 1.0230 -0.8102 2.2892 7 6 1.6229 -1.0755 3.6036 8 6 0.5223 -1.1300 4.6650 9 6 1.1473 -1.4056 6.0340 10 6 0.0466 -1.4607 7.0954 11 6 -0.3001 -0.0877 7.6950 12 6 -0.4073 -0.7966 9.0554 13 6 0.5565 -1.8541 8.4918 14 6 2.3561 -2.1697 0.6916 15 6 2.8613 -1.8465 -0.7368 16 7 2.0301 -0.7141 -1.1838 17 6 1.7754 -0.3845 -2.4656 18 8 1.0748 0.5728 -2.7180 19 6 2.3614 -1.2054 -3.5854 20 16 1.8412 -0.5151 -5.1757 21 6 2.6446 -1.6354 -6.2730 22 1 3.2387 -2.4459 -5.8776 23 6 2.5140 -1.4760 -7.6456 24 7 1.7904 -0.4877 -8.1276 25 14 3.3652 -2.6641 -8.8089 26 1 4.7233 -2.1556 -9.1294 27 1 3.4754 -3.9964 -8.1625 28 1 2.5739 -2.7845 -10.0598 29 1 -0.3633 -1.0276 -0.0064 30 1 -0.3633 0.5083 0.8931 31 1 -0.3632 0.5194 -0.8867 32 1 0.3201 -1.4991 2.0668 33 1 2.1490 -2.0299 3.5769 34 1 2.3261 -0.2798 3.8492 35 1 -0.0041 -0.1758 4.6919 36 1 -0.1806 -1.9259 4.4191 37 1 1.6739 -2.3596 6.0075 38 1 1.8500 -0.6095 6.2797 39 1 -0.8248 -2.0301 6.7723 40 1 0.5171 0.6315 7.6406 41 1 -1.2468 0.3181 7.3383 42 1 -1.4038 -1.1836 9.2688 43 1 0.0098 -0.2223 9.8826 44 1 0.3014 -2.8743 8.7784 45 1 1.6080 -1.6178 8.6553 46 1 1.4522 -2.7778 0.6580 47 1 3.1326 -2.6597 1.2790 48 1 2.7178 -2.7049 -1.3931 49 1 3.9124 -1.5589 -0.7113 50 1 2.0110 -2.2343 -3.5034 51 1 3.4492 -1.1857 -3.5196 52 1 1.3481 0.1290 -7.5234 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 ZINC001178155928.mol2 52 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 22:55:42 Heat of formation + Delta-G solvation = -35.083024 kcal Electronic energy + Delta-G solvation = -26692.094126 eV Core-core repulsion = 23010.363424 eV Total energy + Delta-G solvation = -3681.730702 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.78 seconds Orbital eigenvalues (eV) -40.27527 -39.44152 -37.95484 -35.88711 -33.25756 -32.52160 -31.41994 -30.63086 -28.65615 -26.99032 -26.04497 -25.25440 -24.82166 -23.15397 -22.96145 -21.59271 -20.57076 -19.80947 -18.93237 -18.22599 -16.95408 -16.42320 -16.20687 -15.91877 -15.46620 -15.33738 -14.90595 -14.65705 -14.35472 -14.11748 -13.84715 -13.65907 -13.36656 -13.06469 -12.90302 -12.87508 -12.83340 -12.49062 -12.45483 -12.32063 -12.18668 -11.99839 -11.85187 -11.82494 -11.63858 -11.47116 -11.13667 -11.00504 -10.95815 -10.90777 -10.85584 -10.54946 -10.39771 -10.19142 -9.56939 -9.38421 -9.00671 -8.72424 -8.53355 -8.20839 -6.66153 -6.61688 -3.99315 2.79538 3.01429 3.32634 3.38928 3.44677 3.56309 3.73183 4.13160 4.19244 4.23526 4.24715 4.31313 4.35555 4.42444 4.61861 4.71763 4.75512 4.94018 4.96494 5.03001 5.07479 5.15374 5.19543 5.22974 5.25741 5.29503 5.33891 5.36077 5.37246 5.41459 5.45207 5.49254 5.51607 5.52515 5.55261 5.58938 5.72525 5.78027 5.81199 5.87260 5.91267 5.94783 6.02486 6.07754 6.09692 6.41057 6.53379 6.70458 7.01167 7.65108 7.92754 8.50699 8.52291 9.27800 10.82354 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.039044 B = 0.001549 C = 0.001511 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 716.959015 B =18073.221059 C =18529.841692 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.152 4.152 2 C 0.145 3.855 3 H 0.075 0.925 4 C 0.083 3.917 5 H 0.093 0.907 6 N -0.676 5.676 7 C 0.058 3.942 8 C -0.116 4.116 9 C -0.108 4.108 10 C -0.110 4.110 11 C -0.137 4.137 12 C -0.145 4.145 13 C -0.140 4.140 14 C -0.163 4.163 15 C 0.103 3.897 16 N -0.623 5.623 17 C 0.548 3.452 18 O -0.513 6.513 19 C -0.124 4.124 20 S -0.116 6.116 21 C -0.607 4.607 22 H 0.065 0.935 23 C 0.036 3.964 24 N -0.884 5.884 25 Si 1.087 2.913 26 H -0.284 1.284 27 H -0.287 1.287 28 H -0.280 1.280 29 H 0.046 0.954 30 H 0.076 0.924 31 H 0.067 0.933 32 H 0.345 0.655 33 H 0.029 0.971 34 H 0.071 0.929 35 H 0.072 0.928 36 H 0.059 0.941 37 H 0.061 0.939 38 H 0.063 0.937 39 H 0.088 0.912 40 H 0.080 0.920 41 H 0.065 0.935 42 H 0.078 0.922 43 H 0.065 0.935 44 H 0.064 0.936 45 H 0.079 0.921 46 H 0.077 0.923 47 H 0.081 0.919 48 H 0.078 0.922 49 H 0.069 0.931 50 H 0.090 0.910 51 H 0.090 0.910 52 H 0.278 0.722 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.053 -4.816 33.921 34.262 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 -0.211 4.211 2 C 0.042 3.958 3 H 0.093 0.907 4 C -0.028 4.028 5 H 0.111 0.889 6 N -0.306 5.306 7 C -0.071 4.071 8 C -0.154 4.154 9 C -0.146 4.146 10 C -0.128 4.128 11 C -0.175 4.175 12 C -0.183 4.183 13 C -0.177 4.177 14 C -0.203 4.203 15 C -0.021 4.021 16 N -0.361 5.361 17 C 0.336 3.664 18 O -0.387 6.387 19 C -0.275 4.275 20 S 0.110 5.890 21 C -0.755 4.755 22 H 0.084 0.916 23 C -0.175 4.175 24 N -0.519 5.519 25 Si 0.913 3.087 26 H -0.211 1.211 27 H -0.213 1.213 28 H -0.205 1.205 29 H 0.065 0.935 30 H 0.095 0.905 31 H 0.086 0.914 32 H 0.165 0.835 33 H 0.048 0.952 34 H 0.090 0.910 35 H 0.091 0.909 36 H 0.078 0.922 37 H 0.080 0.920 38 H 0.082 0.918 39 H 0.106 0.894 40 H 0.099 0.901 41 H 0.084 0.916 42 H 0.096 0.904 43 H 0.084 0.916 44 H 0.083 0.917 45 H 0.098 0.902 46 H 0.095 0.905 47 H 0.099 0.901 48 H 0.096 0.904 49 H 0.087 0.913 50 H 0.108 0.892 51 H 0.108 0.892 52 H 0.091 0.909 Dipole moment (debyes) X Y Z Total from point charges -0.814 -3.005 31.957 32.108 hybrid contribution 1.059 -2.012 1.830 2.918 sum 0.245 -5.017 33.787 34.158 Atomic orbital electron populations 1.21951 0.94203 1.01737 1.03174 1.21392 0.95563 0.95676 0.83218 0.90696 1.22592 0.94570 0.94445 0.91208 0.88914 1.60448 1.13970 1.54998 1.01192 1.22012 0.96840 0.99571 0.88654 1.21549 0.97856 1.02643 0.93376 1.21526 0.97461 1.01685 0.93899 1.22554 0.98709 0.97523 0.94054 1.22978 1.01893 0.96436 0.96166 1.22817 0.99882 0.98324 0.97235 1.22955 0.99493 0.99008 0.96243 1.23499 1.02264 0.98146 0.96348 1.22199 0.94987 0.89912 0.95004 1.48574 1.51722 1.30856 1.04933 1.19937 0.80250 0.84728 0.81439 1.90694 1.37220 1.28204 1.82567 1.23298 1.03690 1.02327 0.98227 1.84817 1.68003 1.42260 0.93872 1.23724 1.39247 1.17468 0.95097 0.91645 1.26047 0.96226 0.99297 0.95928 1.70767 1.27961 1.14172 1.38959 0.83293 0.75893 0.74298 0.75215 1.21053 1.21329 1.20489 0.93468 0.90548 0.91410 0.83528 0.95246 0.91026 0.90928 0.92186 0.92045 0.91795 0.89356 0.90120 0.91586 0.90350 0.91633 0.91718 0.90195 0.90467 0.90061 0.90356 0.91284 0.89211 0.89171 0.90939 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 -1.97 8.19 37.16 0.30 -1.66 16 2 C 0.15 1.82 3.49 -66.95 -0.23 1.59 16 3 H 0.08 1.03 8.14 -51.93 -0.42 0.61 16 4 C 0.08 0.73 3.10 -65.88 -0.20 0.52 16 5 H 0.09 0.77 7.89 -51.93 -0.41 0.36 16 6 N -0.68 -5.15 4.89 -104.79 -0.51 -5.67 16 7 C 0.06 0.36 5.54 -3.82 -0.02 0.34 16 8 C -0.12 -0.65 5.47 -26.73 -0.15 -0.80 16 9 C -0.11 -0.54 5.05 -26.73 -0.13 -0.67 16 10 C -0.11 -0.56 3.65 -89.81 -0.33 -0.89 16 11 C -0.14 -0.72 7.63 -25.92 -0.20 -0.92 16 12 C -0.15 -0.71 8.08 -25.92 -0.21 -0.92 16 13 C -0.14 -0.68 7.64 -25.92 -0.20 -0.88 16 14 C -0.16 -1.31 6.63 -24.58 -0.16 -1.47 16 15 C 0.10 1.11 6.69 -2.53 -0.02 1.09 16 16 N -0.62 -9.10 3.08 -163.01 -0.50 -9.60 16 17 C 0.55 10.74 7.65 -10.98 -0.08 10.65 16 18 O -0.51 -11.92 14.75 5.55 0.08 -11.84 16 19 C -0.12 -2.61 5.16 36.01 0.19 -2.42 16 20 S -0.12 -3.18 19.60 -107.50 -2.11 -5.28 16 21 C -0.61 -17.69 9.50 30.94 0.29 -17.40 16 22 H 0.07 1.83 7.80 -52.49 -0.41 1.42 16 23 C 0.04 1.04 5.49 -17.43 -0.10 0.95 16 24 N -0.88 -27.74 13.67 55.49 0.76 -26.98 16 25 Si 1.09 25.15 29.92 -169.99 -5.09 20.06 16 26 H -0.28 -6.29 7.11 56.52 0.40 -5.89 16 27 H -0.29 -6.24 7.11 56.52 0.40 -5.84 16 28 H -0.28 -6.39 7.11 56.52 0.40 -5.99 16 29 H 0.05 0.58 7.84 -51.93 -0.41 0.17 16 30 H 0.08 0.87 7.45 -51.93 -0.39 0.48 16 31 H 0.07 1.11 6.74 -51.93 -0.35 0.76 16 32 H 0.35 2.56 7.54 -39.29 -0.30 2.27 16 33 H 0.03 0.17 8.13 -51.93 -0.42 -0.25 16 34 H 0.07 0.46 8.08 -51.93 -0.42 0.04 16 35 H 0.07 0.48 8.14 -51.93 -0.42 0.06 16 36 H 0.06 0.34 8.14 -51.93 -0.42 -0.08 16 37 H 0.06 0.31 8.14 -51.93 -0.42 -0.12 16 38 H 0.06 0.33 7.85 -51.93 -0.41 -0.08 16 39 H 0.09 0.47 8.13 -51.93 -0.42 0.05 16 40 H 0.08 0.42 7.90 -51.93 -0.41 0.01 16 41 H 0.07 0.35 8.14 -51.93 -0.42 -0.07 16 42 H 0.08 0.36 8.14 -51.93 -0.42 -0.06 16 43 H 0.06 0.30 8.14 -51.93 -0.42 -0.12 16 44 H 0.06 0.30 8.14 -51.93 -0.42 -0.12 16 45 H 0.08 0.37 8.10 -51.93 -0.42 -0.05 16 46 H 0.08 0.63 7.81 -51.93 -0.41 0.22 16 47 H 0.08 0.52 8.14 -51.93 -0.42 0.09 16 48 H 0.08 0.84 7.48 -51.93 -0.39 0.46 16 49 H 0.07 0.68 8.14 -51.92 -0.42 0.25 16 50 H 0.09 1.76 7.85 -51.91 -0.41 1.36 16 51 H 0.09 1.77 8.14 -51.92 -0.42 1.35 16 52 H 0.28 8.93 7.12 -40.82 -0.29 8.64 16 LS Contribution 419.47 15.07 6.32 6.32 Total: -1.00 -33.97 419.47 -11.99 -45.96 By element: Atomic # 1 Polarization: 9.62 SS G_CDS: -9.70 Total: -0.08 kcal Atomic # 6 Polarization: -11.64 SS G_CDS: -1.25 Total: -12.89 kcal Atomic # 7 Polarization: -41.99 SS G_CDS: -0.26 Total: -42.25 kcal Atomic # 8 Polarization: -11.92 SS G_CDS: 0.08 Total: -11.84 kcal Atomic # 14 Polarization: 25.15 SS G_CDS: -5.09 Total: 20.06 kcal Atomic # 16 Polarization: -3.18 SS G_CDS: -2.11 Total: -5.28 kcal Total LS contribution 6.32 Total: 6.32 kcal Total: -33.97 -11.99 -45.96 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. ZINC001178155928.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 10.878 kcal (2) G-P(sol) polarization free energy of solvation -33.967 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -23.089 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.994 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -45.961 kcal (6) G-S(sol) free energy of system = (1) + (5) -35.083 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.78 seconds