Wall clock time and date at job start Sat Apr 11 2020 06:10:07 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 1.53002 * 1 3 3 O 1.42903 * 109.46785 * 2 1 4 4 C 1.42898 * 113.99936 * 180.02562 * 3 2 1 5 5 H 1.09006 * 112.84710 * 18.80295 * 4 3 2 6 6 C 1.53952 * 113.74119 * 247.59705 * 4 3 2 7 7 C 1.53777 * 87.02228 * 220.05496 * 6 4 3 8 8 H 1.09005 * 113.61372 * 270.77801 * 7 6 4 9 9 N 1.46501 * 113.61589 * 139.95350 * 7 6 4 10 10 C 1.34774 * 119.99935 * 105.86790 * 9 7 6 11 11 O 1.21582 * 120.00028 * 354.91348 * 10 9 7 12 12 N 1.34774 * 119.99566 * 175.18976 * 10 9 7 13 13 C 1.46926 * 120.62880 * 184.46640 * 12 10 9 14 14 C 1.53621 * 108.54221 * 126.37043 * 13 12 10 15 15 C 1.53037 * 109.24304 * 54.85844 * 14 13 12 16 16 C 1.52997 * 109.46373 * 178.49060 * 15 14 13 17 17 C 1.50706 * 109.47037 * 295.07041 * 16 15 14 18 18 H 1.07995 * 120.00063 * 359.97438 * 17 16 15 19 19 C 1.37874 * 119.99832 * 180.02562 * 17 16 15 20 20 N 1.31513 * 120.00177 * 359.97438 * 19 17 16 21 21 Si 1.86804 * 119.99847 * 179.97438 * 19 17 16 22 22 H 1.48496 * 109.47148 * 89.99599 * 21 19 17 23 23 H 1.48504 * 109.46883 * 209.99914 * 21 19 17 24 24 H 1.48501 * 109.46976 * 329.99611 * 21 19 17 25 25 C 1.53039 * 109.53641 * 298.51337 * 15 14 13 26 26 C 1.46932 * 120.63301 * 4.74990 * 12 10 9 27 27 C 1.53778 * 113.61439 * 150.00178 * 4 3 2 28 28 H 1.08996 * 113.69323 * 25.50074 * 27 4 3 29 29 O 1.42903 * 113.61106 * 254.60877 * 27 4 3 30 30 C 1.42907 * 113.99577 * 112.50568 * 29 27 4 31 31 H 1.08997 * 109.47761 * 60.00083 * 1 2 3 32 32 H 1.09007 * 109.46975 * 180.02562 * 1 2 3 33 33 H 1.08997 * 109.47296 * 299.99590 * 1 2 3 34 34 H 1.08999 * 109.46778 * 240.00441 * 2 1 3 35 35 H 1.08998 * 109.47020 * 119.99951 * 2 1 3 36 36 H 1.09003 * 113.66569 * 105.52733 * 6 4 3 37 37 H 1.08994 * 113.61830 * 334.57777 * 6 4 3 38 38 H 0.96999 * 119.99717 * 285.86134 * 9 7 6 39 39 H 1.09001 * 109.59000 * 246.20695 * 13 12 10 40 40 H 1.09002 * 109.58828 * 6.62827 * 13 12 10 41 41 H 1.09000 * 109.63857 * 294.86416 * 14 13 12 42 42 H 1.09001 * 109.45860 * 174.74166 * 14 13 12 43 43 H 1.09002 * 109.46120 * 58.52899 * 15 14 13 44 44 H 1.09004 * 109.47341 * 55.06851 * 16 15 14 45 45 H 1.09001 * 109.47295 * 175.06834 * 16 15 14 46 46 H 0.97002 * 119.99692 * 180.02562 * 20 19 17 47 47 H 1.09001 * 109.49629 * 301.40806 * 25 15 14 48 48 H 1.09000 * 109.49733 * 181.31881 * 25 15 14 49 49 H 1.08992 * 109.58400 * 353.37511 * 26 12 10 50 50 H 1.09002 * 109.58469 * 113.65286 * 26 12 10 51 51 H 1.08993 * 109.46898 * 60.00144 * 30 29 27 52 52 H 1.08996 * 109.46827 * 179.97438 * 30 29 27 53 53 H 1.09001 * 109.46802 * 299.99591 * 30 29 27 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 3.4308 1.4602 -0.0006 5 1 3.9277 0.5458 -0.3247 6 6 4.0068 2.0444 1.3021 7 6 4.9913 2.8302 0.4201 8 1 5.9154 2.2915 0.2102 9 7 5.2240 4.2020 0.8787 10 6 6.3860 4.5231 1.4813 11 8 7.2027 3.6568 1.7275 12 7 6.6402 5.8037 1.8158 13 6 7.9405 6.1850 2.3836 14 6 8.5222 7.3329 1.5446 15 6 7.5060 8.4752 1.4793 16 6 8.0952 9.6365 0.6761 17 6 9.2854 10.2009 1.4084 18 1 9.5907 9.7742 2.3524 19 6 9.9839 11.2625 0.8737 20 7 9.6119 11.7824 -0.2757 21 14 11.4587 11.9625 1.7817 22 1 12.6895 11.2549 1.3465 23 1 11.5860 13.4104 1.4769 24 1 11.2727 11.7789 3.2435 25 6 6.2259 7.9833 0.8000 26 6 5.6200 6.8438 1.6253 27 6 3.9482 2.7254 -0.7051 28 1 3.2311 3.5463 -0.7136 29 8 4.5171 2.4723 -1.9913 30 6 3.7634 3.0152 -3.0773 31 1 -0.3634 0.5138 -0.8899 32 1 -0.3633 -1.0277 0.0005 33 1 -0.3634 0.5137 0.8900 34 1 1.8933 -0.5138 -0.8900 35 1 1.8933 -0.5138 0.8900 36 1 4.4880 1.3023 1.9392 37 1 3.3050 2.6779 1.8444 38 1 4.5417 4.8792 0.7486 39 1 7.8070 6.5134 3.4144 40 1 8.6166 5.3305 2.3549 41 1 8.7358 6.9779 0.5363 42 1 9.4423 7.6905 2.0068 43 1 7.2742 8.8133 2.4893 44 1 8.4085 9.2781 -0.3045 45 1 7.3410 10.4141 0.5548 46 1 10.1035 12.5291 -0.6520 47 1 6.4610 7.6222 -0.2012 48 1 5.5113 8.8036 0.7328 49 1 4.7646 6.4241 1.0962 50 1 5.2993 7.2231 2.5956 51 1 3.6916 4.0970 -2.9646 52 1 4.2612 2.7806 -4.0181 53 1 2.7630 2.5826 -3.0773 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 ZINC000575918724.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 06:10:07 Heat of formation + Delta-G solvation = -106.203389 kcal Electronic energy + Delta-G solvation = -30433.763208 eV Core-core repulsion = 26306.195625 eV Total energy + Delta-G solvation = -4127.567583 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.77880 -39.71041 -37.67123 -37.38902 -36.05065 -34.10183 -33.17544 -31.98616 -31.22050 -30.49401 -27.99007 -27.35020 -25.03327 -24.85753 -24.19302 -23.17400 -22.66421 -21.86940 -20.53838 -20.10686 -19.15228 -17.99575 -17.77757 -16.86316 -16.27731 -16.20469 -16.01577 -15.63723 -15.35330 -15.19370 -14.56041 -14.51611 -14.16238 -13.85111 -13.57636 -13.49394 -13.47477 -13.17436 -12.94893 -12.92119 -12.85162 -12.26130 -12.13853 -12.06347 -11.87170 -11.77680 -11.60592 -11.50136 -11.20353 -11.09720 -10.99359 -10.76022 -10.67352 -10.41163 -10.33346 -10.17886 -9.93054 -9.69220 -9.62725 -9.27284 -9.08919 -8.96516 -8.34901 -8.23614 -5.99482 -4.01163 2.57490 3.21800 3.27343 3.32355 3.38944 3.41652 3.63842 3.93013 4.10907 4.15236 4.46235 4.48374 4.49621 4.65895 4.75149 4.91440 4.95789 5.01569 5.09739 5.13412 5.16166 5.27019 5.34291 5.35787 5.37606 5.40422 5.47549 5.56776 5.59836 5.61388 5.65279 5.68885 5.77660 5.84102 5.99759 6.11170 6.34517 6.38424 6.40878 6.50875 6.65268 6.71457 6.92756 6.98309 7.02636 7.09416 7.14575 7.66532 7.81147 8.00127 8.01072 8.42928 8.68418 9.05229 9.62744 11.11767 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.022909 B = 0.002001 C = 0.001939 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1221.910603 B =13988.449624 C =14435.281005 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 0.056 3.944 3 O -0.374 6.374 4 C 0.053 3.947 5 H 0.099 0.901 6 C -0.166 4.166 7 C 0.153 3.847 8 H 0.125 0.875 9 N -0.737 5.737 10 C 0.710 3.290 11 O -0.594 6.594 12 N -0.622 5.622 13 C 0.126 3.874 14 C -0.118 4.118 15 C -0.080 4.080 16 C 0.028 3.972 17 C -0.516 4.516 18 H 0.056 0.944 19 C 0.056 3.944 20 N -0.896 5.896 21 Si 0.889 3.111 22 H -0.281 1.281 23 H -0.287 1.287 24 H -0.274 1.274 25 C -0.130 4.130 26 C 0.114 3.886 27 C 0.059 3.941 28 H 0.099 0.901 29 O -0.371 6.371 30 C 0.029 3.971 31 H 0.062 0.938 32 H 0.070 0.930 33 H 0.063 0.937 34 H 0.049 0.951 35 H 0.050 0.950 36 H 0.085 0.915 37 H 0.096 0.904 38 H 0.396 0.604 39 H 0.061 0.939 40 H 0.086 0.914 41 H 0.058 0.942 42 H 0.084 0.916 43 H 0.058 0.942 44 H 0.015 0.985 45 H 0.015 0.985 46 H 0.259 0.741 47 H 0.061 0.939 48 H 0.070 0.930 49 H 0.065 0.935 50 H 0.067 0.933 51 H 0.044 0.956 52 H 0.087 0.913 53 H 0.043 0.957 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -18.844 -21.813 -0.639 28.833 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 -0.209 4.209 2 C -0.021 4.021 3 O -0.293 6.293 4 C -0.006 4.006 5 H 0.117 0.883 6 C -0.205 4.205 7 C 0.046 3.954 8 H 0.143 0.857 9 N -0.394 5.394 10 C 0.412 3.588 11 O -0.472 6.472 12 N -0.358 5.358 13 C 0.004 3.996 14 C -0.156 4.156 15 C -0.099 4.099 16 C -0.009 4.009 17 C -0.554 4.554 18 H 0.074 0.926 19 C -0.145 4.145 20 N -0.535 5.535 21 Si 0.717 3.283 22 H -0.207 1.207 23 H -0.213 1.213 24 H -0.199 1.199 25 C -0.168 4.168 26 C -0.010 4.010 27 C 0.000 4.000 28 H 0.117 0.883 29 O -0.289 6.289 30 C -0.067 4.067 31 H 0.081 0.919 32 H 0.089 0.911 33 H 0.082 0.918 34 H 0.067 0.933 35 H 0.068 0.932 36 H 0.104 0.896 37 H 0.114 0.886 38 H 0.233 0.767 39 H 0.079 0.921 40 H 0.104 0.896 41 H 0.076 0.924 42 H 0.102 0.898 43 H 0.077 0.923 44 H 0.033 0.967 45 H 0.033 0.967 46 H 0.069 0.931 47 H 0.080 0.920 48 H 0.088 0.912 49 H 0.083 0.917 50 H 0.086 0.914 51 H 0.063 0.937 52 H 0.105 0.895 53 H 0.062 0.938 Dipole moment (debyes) X Y Z Total from point charges -18.129 -22.230 -0.622 28.691 hybrid contribution 0.304 0.868 0.222 0.947 sum -17.825 -21.361 -0.400 27.824 Atomic orbital electron populations 1.21753 0.93724 1.02302 1.03131 1.22538 0.95565 0.83757 1.00226 1.87916 1.20126 1.26648 1.94575 1.24082 0.81480 0.98774 0.96290 0.88292 1.23770 0.98896 1.00741 0.97113 1.22182 0.98425 0.82860 0.91897 0.85712 1.45150 1.18467 1.11271 1.64508 1.15811 0.81861 0.82883 0.78290 1.90883 1.47988 1.47555 1.60811 1.47367 1.16575 1.05435 1.66450 1.21765 0.82762 0.98753 0.96312 1.21991 0.99690 0.94046 0.99919 1.21179 0.92616 0.96397 0.99673 1.19125 0.95415 0.91410 0.94984 1.21242 1.12653 1.15140 1.06352 0.92553 1.25020 0.97576 0.96887 0.95012 1.69963 1.40425 1.24940 1.18210 0.86638 0.83257 0.78220 0.80148 1.20714 1.21336 1.19904 1.22030 0.99001 0.96596 0.99192 1.21687 0.89756 0.89258 1.00273 1.24560 0.95058 0.97143 0.83276 0.88333 1.87970 1.49818 1.77303 1.13819 1.22839 0.96038 0.97878 0.89945 0.91900 0.91086 0.91805 0.93258 0.93177 0.89604 0.88592 0.76721 0.92056 0.89577 0.92358 0.89768 0.92332 0.96660 0.96656 0.93088 0.91994 0.91160 0.91700 0.91434 0.93691 0.89486 0.93817 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 C -0.15 -0.82 10.28 37.16 0.38 -0.44 16 2 C 0.06 0.37 6.50 37.16 0.24 0.61 16 3 O -0.37 -3.33 10.36 -35.23 -0.36 -3.69 16 4 C 0.05 0.45 4.14 -25.83 -0.11 0.35 16 5 H 0.10 0.79 7.87 -51.93 -0.41 0.38 16 6 C -0.17 -1.49 7.73 -25.83 -0.20 -1.69 16 7 C 0.15 1.67 4.01 -67.12 -0.27 1.40 16 8 H 0.13 1.61 7.57 -51.93 -0.39 1.22 16 9 N -0.74 -8.74 5.27 -57.88 -0.31 -9.04 16 10 C 0.71 11.06 8.30 -86.92 -0.72 10.34 16 11 O -0.59 -11.28 15.44 5.29 0.08 -11.20 16 12 N -0.62 -9.29 2.97 -178.24 -0.53 -9.82 16 13 C 0.13 2.03 6.45 -3.49 -0.02 2.01 16 14 C -0.12 -2.17 5.21 -26.39 -0.14 -2.31 16 15 C -0.08 -1.53 2.10 -90.58 -0.19 -1.72 16 16 C 0.03 0.68 4.45 -27.88 -0.12 0.56 16 17 C -0.52 -14.05 8.39 -34.44 -0.29 -14.34 16 18 H 0.06 1.49 7.06 -52.49 -0.37 1.12 16 19 C 0.06 1.58 5.46 -17.82 -0.10 1.48 16 20 N -0.90 -26.61 13.29 55.43 0.74 -25.88 16 21 Si 0.89 21.46 29.54 -169.99 -5.02 16.44 16 22 H -0.28 -6.73 7.11 56.52 0.40 -6.33 16 23 H -0.29 -6.91 7.11 56.52 0.40 -6.51 16 24 H -0.27 -6.47 7.11 56.52 0.40 -6.07 16 25 C -0.13 -2.01 5.36 -26.62 -0.14 -2.16 16 26 C 0.11 1.43 6.43 -3.71 -0.02 1.41 16 27 C 0.06 0.56 3.89 -25.92 -0.10 0.46 16 28 H 0.10 0.84 7.84 -51.93 -0.41 0.44 16 29 O -0.37 -3.98 10.71 -35.23 -0.38 -4.36 16 30 C 0.03 0.24 10.85 101.05 1.10 1.33 16 31 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 32 H 0.07 0.27 8.14 -51.93 -0.42 -0.15 16 33 H 0.06 0.36 8.14 -51.93 -0.42 -0.06 16 34 H 0.05 0.30 8.14 -51.93 -0.42 -0.13 16 35 H 0.05 0.30 8.14 -51.93 -0.42 -0.13 16 36 H 0.09 0.75 8.14 -51.93 -0.42 0.33 16 37 H 0.10 0.85 8.14 -51.93 -0.42 0.43 16 38 H 0.40 3.81 6.17 -40.82 -0.25 3.56 16 39 H 0.06 0.92 8.14 -51.93 -0.42 0.49 16 40 H 0.09 1.45 7.03 -51.93 -0.37 1.09 16 41 H 0.06 1.14 8.14 -51.93 -0.42 0.71 16 42 H 0.08 1.65 6.91 -51.93 -0.36 1.29 16 43 H 0.06 1.12 8.14 -51.93 -0.42 0.70 16 44 H 0.02 0.41 8.14 -51.93 -0.42 -0.02 16 45 H 0.02 0.40 8.14 -51.93 -0.42 -0.02 16 46 H 0.26 7.31 8.31 -40.82 -0.34 6.97 16 47 H 0.06 1.01 8.14 -51.93 -0.42 0.59 16 48 H 0.07 1.03 8.14 -51.93 -0.42 0.61 16 49 H 0.06 0.64 5.56 -51.93 -0.29 0.35 16 50 H 0.07 0.80 8.14 -51.93 -0.42 0.37 16 51 H 0.04 0.34 8.14 -51.93 -0.42 -0.08 16 52 H 0.09 0.60 8.14 -51.93 -0.42 0.18 16 53 H 0.04 0.31 8.14 -51.93 -0.42 -0.11 16 LS Contribution 419.29 15.07 6.32 6.32 Total: -1.00 -33.03 419.29 -9.75 -42.78 By element: Atomic # 1 Polarization: 10.75 SS G_CDS: -9.59 Total: 1.16 kcal Atomic # 6 Polarization: -2.00 SS G_CDS: -0.70 Total: -2.70 kcal Atomic # 7 Polarization: -44.64 SS G_CDS: -0.10 Total: -44.74 kcal Atomic # 8 Polarization: -18.60 SS G_CDS: -0.66 Total: -19.26 kcal Atomic # 14 Polarization: 21.46 SS G_CDS: -5.02 Total: 16.44 kcal Total LS contribution 6.32 Total: 6.32 kcal Total: -33.03 -9.75 -42.78 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. ZINC000575918724.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 -63.421 kcal (2) G-P(sol) polarization free energy of solvation -33.029 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -96.450 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.754 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.782 kcal (6) G-S(sol) free energy of system = (1) + (5) -106.203 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds