Wall clock time and date at job start Fri Apr 10 2020 22:22:17 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 N 1.46907 * 1 3 3 C 1.46896 * 110.99805 * 2 1 4 4 C 1.46899 * 110.99769 * 123.95279 * 2 1 3 5 5 C 1.52997 * 109.47254 * 66.04707 * 4 2 1 6 6 N 1.46894 * 109.47515 * 179.97438 * 5 4 2 7 7 C 1.47900 * 111.00063 * 290.81228 * 6 5 4 8 8 C 1.55017 * 104.86790 * 213.76247 * 7 6 5 9 9 C 1.54509 * 101.59340 * 36.42352 * 8 7 6 10 10 C 1.47608 * 111.00390 * 169.99690 * 6 5 4 11 11 C 1.52336 * 110.17234 * 206.50658 * 9 8 7 12 12 C 1.53262 * 109.21925 * 293.49962 * 11 9 8 13 13 C 1.53046 * 109.17863 * 303.49465 * 12 11 9 14 14 N 1.46856 * 109.66031 * 59.74211 * 13 12 11 15 15 C 1.46896 * 110.99478 * 173.68413 * 14 13 12 16 16 C 1.52994 * 109.47634 * 294.10977 * 15 14 13 17 17 C 1.50701 * 109.47553 * 180.02562 * 16 15 14 18 18 H 1.08000 * 119.99565 * 359.97438 * 17 16 15 19 19 C 1.37871 * 119.99900 * 180.02562 * 17 16 15 20 20 N 1.31509 * 120.00486 * 359.97438 * 19 17 16 21 21 Si 1.86808 * 119.99732 * 180.02562 * 19 17 16 22 22 H 1.48498 * 109.47149 * 90.00007 * 21 19 17 23 23 H 1.48501 * 109.47060 * 209.99856 * 21 19 17 24 24 H 1.48498 * 109.46712 * 329.99723 * 21 19 17 25 25 C 1.46990 * 111.12158 * 297.72780 * 14 13 12 26 26 H 1.08995 * 109.47407 * 296.04618 * 1 2 3 27 27 H 1.09006 * 109.46770 * 56.04664 * 1 2 3 28 28 H 1.09003 * 109.46848 * 176.04346 * 1 2 3 29 29 H 1.08998 * 109.47200 * 183.95269 * 3 2 1 30 30 H 1.08998 * 109.47707 * 303.95146 * 3 2 1 31 31 H 1.09001 * 109.47500 * 63.95378 * 3 2 1 32 32 H 1.09002 * 109.47043 * 186.04778 * 4 2 1 33 33 H 1.09001 * 109.47354 * 306.04839 * 4 2 1 34 34 H 1.09002 * 109.47153 * 300.00004 * 5 4 2 35 35 H 1.08998 * 109.47533 * 59.99633 * 5 4 2 36 36 H 1.09001 * 110.36269 * 332.61333 * 7 6 5 37 37 H 1.09002 * 110.35978 * 94.91614 * 7 6 5 38 38 H 1.08997 * 111.00335 * 278.34741 * 8 7 6 39 39 H 1.08993 * 111.00441 * 154.50126 * 8 7 6 40 40 H 1.09000 * 109.92186 * 243.04730 * 10 6 5 41 41 H 1.09005 * 109.91490 * 4.14673 * 10 6 5 42 42 H 1.08996 * 109.51710 * 53.42896 * 11 9 8 43 43 H 1.08998 * 109.50770 * 173.57772 * 11 9 8 44 44 H 1.09002 * 109.51878 * 183.58485 * 12 11 9 45 45 H 1.08997 * 109.51784 * 63.40153 * 12 11 9 46 46 H 1.09003 * 109.43349 * 299.68599 * 13 12 11 47 47 H 1.08996 * 109.40768 * 179.78514 * 13 12 11 48 48 H 1.09005 * 109.47346 * 54.11305 * 15 14 13 49 49 H 1.09006 * 109.46714 * 174.10752 * 15 14 13 50 50 H 1.09005 * 109.47022 * 300.00527 * 16 15 14 51 51 H 1.09006 * 109.47254 * 60.00105 * 16 15 14 52 52 H 0.97002 * 120.00304 * 180.02562 * 20 19 17 53 53 H 1.09007 * 109.44457 * 300.45818 * 25 14 13 54 54 H 1.09001 * 109.42359 * 180.53388 * 25 14 13 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 7 1.4691 0.0000 0.0000 3 6 1.9955 1.3714 0.0000 4 6 1.9955 -0.7660 1.1376 5 6 1.6315 -2.2426 0.9704 6 7 2.1584 -3.0087 2.1076 7 6 3.6354 -3.0718 2.0654 8 6 3.9909 -4.4629 2.6498 9 6 2.8391 -5.3340 2.1005 10 6 1.6294 -4.3867 2.1078 11 6 2.5964 -6.5245 3.0195 12 6 3.8143 -7.4538 2.9736 13 6 4.0725 -7.8730 1.5245 14 7 4.3262 -6.6821 0.7034 15 6 4.7248 -7.0579 -0.6596 16 6 6.0782 -7.7700 -0.6173 17 6 6.4874 -8.1549 -2.0157 18 1 5.8460 -7.9158 -2.8511 19 6 7.6800 -8.8131 -2.2285 20 7 8.4608 -9.1046 -1.2113 21 14 8.1875 -9.2895 -3.9620 22 1 8.9746 -8.1858 -4.5684 23 1 9.0167 -10.5205 -3.9144 24 1 6.9748 -9.5409 -4.7813 25 6 3.1559 -5.7930 0.6839 26 1 -0.3634 0.4512 0.9232 27 1 -0.3633 0.5740 -0.8525 28 1 -0.3633 -1.0253 -0.0709 29 1 3.0828 1.3433 -0.0708 30 1 1.5899 1.9164 -0.8524 31 1 1.7044 1.8724 0.9233 32 1 3.0797 -0.6611 1.1757 33 1 1.5611 -0.3872 2.0628 34 1 0.5472 -2.3475 0.9323 35 1 2.0658 -2.6214 0.0452 36 1 3.9893 -2.9905 1.0377 37 1 4.0665 -2.2811 2.6795 38 1 3.9803 -4.4432 3.7395 39 1 4.9546 -4.8089 2.2763 40 1 1.0315 -4.5549 3.0035 41 1 1.0203 -4.5507 1.2188 42 1 2.4455 -6.1720 4.0398 43 1 1.7117 -7.0670 2.6864 44 1 3.6202 -8.3387 3.5797 45 1 4.6873 -6.9294 3.3621 46 1 3.2002 -8.4006 1.1387 47 1 4.9405 -8.5311 1.4871 48 1 3.9761 -7.7255 -1.0862 49 1 4.8049 -6.1615 -1.2748 50 1 6.8269 -7.1023 -0.1908 51 1 5.9981 -8.6663 -0.0022 52 1 9.3001 -9.5674 -1.3610 53 1 2.2991 -6.3298 0.2762 54 1 3.3704 -4.9250 0.0605 RHF calculation, no. of doubly occupied orbitals= 61 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) 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 ZINC001277945076.mol2 54 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Fri Apr 10 2020 22:22:17 Heat of formation + Delta-G solvation = 3.519998 kcal Electronic energy + Delta-G solvation = -26991.377937 eV Core-core repulsion = 23576.339885 eV Total energy + Delta-G solvation = -3415.038052 eV No. of doubly occupied orbitals = 61 Molecular weight (most abundant/longest-lived isotopes) = 309.248 amu Computer time = 0.91 seconds Orbital eigenvalues (eV) -40.35856 -38.12513 -36.90035 -34.22444 -32.66521 -31.71380 -29.72664 -29.31181 -28.66641 -27.86344 -25.31669 -25.12644 -23.71319 -22.86610 -21.98492 -21.37748 -20.56413 -19.67339 -18.30767 -16.46997 -16.27113 -15.83660 -15.69920 -15.32194 -14.82251 -14.63512 -14.51838 -14.38827 -14.17113 -14.02417 -13.60085 -13.02167 -12.96223 -12.70622 -12.64357 -12.49108 -12.29733 -12.13230 -12.06346 -12.00305 -11.82813 -11.60374 -11.17827 -11.12964 -10.96003 -10.91937 -10.88412 -10.63223 -10.57728 -10.31592 -10.21201 -10.03257 -9.76119 -9.30830 -9.09963 -8.65108 -8.35663 -8.31487 -7.67862 -5.98716 -4.00946 3.32689 3.38789 3.41940 3.49437 4.17118 4.28845 4.48612 4.62106 4.72824 4.81984 4.86426 4.87801 5.02578 5.08801 5.23840 5.25907 5.30254 5.33568 5.37255 5.37990 5.40647 5.42547 5.56812 5.58677 5.59733 5.62356 5.71657 5.76263 5.78755 5.83065 5.90906 5.96074 5.96706 6.09783 6.13594 6.16885 6.27070 6.35129 6.45717 6.50353 6.57739 6.60904 6.68193 6.72775 6.91484 6.98708 7.05988 7.53759 7.61621 7.81967 7.91771 8.09812 8.44985 9.06274 9.62649 11.12591 Molecular weight = 309.25amu Principal moments of inertia in cm(-1) A = 0.013282 B = 0.003042 C = 0.002618 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2107.652016 B = 9202.654030 C =10694.283303 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.022 3.978 2 N -0.550 5.550 3 C 0.026 3.974 4 C 0.061 3.939 5 C 0.054 3.946 6 N -0.530 5.530 7 C 0.040 3.960 8 C -0.111 4.111 9 C -0.073 4.073 10 C 0.055 3.945 11 C -0.101 4.101 12 C -0.115 4.115 13 C 0.054 3.946 14 N -0.533 5.533 15 C 0.064 3.936 16 C 0.030 3.970 17 C -0.522 4.522 18 H 0.053 0.947 19 C 0.059 3.941 20 N -0.893 5.893 21 Si 0.891 3.109 22 H -0.280 1.280 23 H -0.286 1.286 24 H -0.275 1.275 25 C 0.071 3.929 26 H 0.025 0.975 27 H 0.066 0.934 28 H 0.070 0.930 29 H 0.069 0.931 30 H 0.067 0.933 31 H 0.024 0.976 32 H 0.075 0.925 33 H 0.041 0.959 34 H 0.070 0.930 35 H 0.045 0.955 36 H 0.050 0.950 37 H 0.074 0.926 38 H 0.067 0.933 39 H 0.094 0.906 40 H 0.077 0.923 41 H 0.052 0.948 42 H 0.062 0.938 43 H 0.055 0.945 44 H 0.061 0.939 45 H 0.071 0.929 46 H 0.023 0.977 47 H 0.086 0.914 48 H 0.017 0.983 49 H 0.058 0.942 50 H 0.024 0.976 51 H 0.017 0.983 52 H 0.260 0.740 53 H 0.024 0.976 54 H 0.066 0.934 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -15.968 15.230 8.997 23.831 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 -0.126 4.126 2 N -0.274 5.274 3 C -0.122 4.122 4 C -0.068 4.068 5 C -0.075 4.075 6 N -0.255 5.255 7 C -0.087 4.087 8 C -0.149 4.149 9 C -0.074 4.074 10 C -0.073 4.073 11 C -0.139 4.139 12 C -0.153 4.153 13 C -0.074 4.074 14 N -0.257 5.257 15 C -0.063 4.063 16 C -0.008 4.008 17 C -0.561 4.561 18 H 0.071 0.929 19 C -0.143 4.143 20 N -0.532 5.532 21 Si 0.719 3.281 22 H -0.206 1.206 23 H -0.212 1.212 24 H -0.200 1.200 25 C -0.057 4.057 26 H 0.044 0.956 27 H 0.085 0.915 28 H 0.088 0.912 29 H 0.088 0.912 30 H 0.086 0.914 31 H 0.043 0.957 32 H 0.093 0.907 33 H 0.059 0.941 34 H 0.088 0.912 35 H 0.063 0.937 36 H 0.068 0.932 37 H 0.092 0.908 38 H 0.086 0.914 39 H 0.112 0.888 40 H 0.095 0.905 41 H 0.071 0.929 42 H 0.081 0.919 43 H 0.074 0.926 44 H 0.080 0.920 45 H 0.090 0.910 46 H 0.041 0.959 47 H 0.104 0.896 48 H 0.036 0.964 49 H 0.077 0.923 50 H 0.042 0.958 51 H 0.035 0.965 52 H 0.070 0.930 53 H 0.042 0.958 54 H 0.084 0.916 Dipole moment (debyes) X Y Z Total from point charges -15.422 15.440 9.253 23.703 hybrid contribution -0.423 -0.715 -1.436 1.659 sum -15.845 14.725 7.817 23.000 Atomic orbital electron populations 1.22437 0.87477 1.02383 1.00342 1.61907 1.08027 1.13923 1.43529 1.22362 1.00927 0.88567 1.00358 1.22054 1.00345 0.93239 0.91122 1.22252 0.99838 0.93081 0.92328 1.63601 1.07183 1.13240 1.41452 1.23129 0.87142 0.98257 1.00162 1.22668 0.99560 0.92794 0.99879 1.21256 0.95078 0.95268 0.95776 1.22773 0.96494 0.86755 1.01323 1.21439 0.98218 0.95646 0.98612 1.21619 0.98204 0.98791 0.96695 1.22105 1.00405 0.92385 0.92542 1.62040 1.33037 1.16490 1.14166 1.22309 0.99250 0.98703 0.85991 1.19082 0.89983 0.95053 0.96641 1.21197 1.04516 1.37189 0.93168 0.92882 1.24982 0.96544 0.95937 0.96806 1.69967 1.11988 1.41219 1.30052 0.86612 0.78553 0.77995 0.84942 1.20629 1.21232 1.19954 1.21901 0.92122 0.96843 0.94864 0.95631 0.91507 0.91167 0.91244 0.91372 0.95712 0.90701 0.94084 0.91189 0.93680 0.93174 0.90758 0.91429 0.88784 0.90481 0.92929 0.91898 0.92588 0.92022 0.90995 0.95906 0.89570 0.96422 0.92310 0.95760 0.96491 0.93016 0.95817 0.91577 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 0.02 0.17 9.32 60.07 0.56 0.73 16 2 N -0.55 -5.26 5.02 -251.26 -1.26 -6.52 16 3 C 0.03 0.21 9.57 60.06 0.57 0.78 16 4 C 0.06 0.60 5.00 -3.83 -0.02 0.58 16 5 C 0.05 0.57 4.49 -3.83 -0.02 0.55 16 6 N -0.53 -5.94 5.17 -231.43 -1.20 -7.14 16 7 C 0.04 0.47 5.46 -2.21 -0.01 0.46 16 8 C -0.11 -1.39 5.07 -24.87 -0.13 -1.51 16 9 C -0.07 -0.90 0.55 -154.11 -0.09 -0.98 16 10 C 0.05 0.61 6.04 -3.10 -0.02 0.59 16 11 C -0.10 -1.19 4.62 -26.93 -0.12 -1.32 16 12 C -0.12 -1.55 5.91 -26.57 -0.16 -1.70 16 13 C 0.05 0.90 5.27 -3.82 -0.02 0.88 16 14 N -0.53 -9.56 4.01 -235.04 -0.94 -10.50 16 15 C 0.06 1.37 4.90 -3.83 -0.02 1.35 16 16 C 0.03 0.77 4.90 -27.89 -0.14 0.64 16 17 C -0.52 -14.88 9.11 -34.44 -0.31 -15.20 16 18 H 0.05 1.48 7.74 -52.49 -0.41 1.07 16 19 C 0.06 1.69 5.46 -17.82 -0.10 1.59 16 20 N -0.89 -26.94 13.29 55.43 0.74 -26.20 16 21 Si 0.89 21.79 29.54 -169.99 -5.02 16.77 16 22 H -0.28 -6.76 7.11 56.52 0.40 -6.36 16 23 H -0.29 -6.92 7.11 56.52 0.40 -6.52 16 24 H -0.27 -6.58 7.11 56.52 0.40 -6.18 16 25 C 0.07 1.07 4.02 -4.16 -0.02 1.05 16 26 H 0.03 0.19 8.14 -51.93 -0.42 -0.23 16 27 H 0.07 0.47 8.12 -51.93 -0.42 0.05 16 28 H 0.07 0.56 6.47 -51.93 -0.34 0.22 16 29 H 0.07 0.54 8.12 -51.93 -0.42 0.11 16 30 H 0.07 0.47 8.12 -51.93 -0.42 0.05 16 31 H 0.02 0.18 8.14 -51.93 -0.42 -0.24 16 32 H 0.07 0.77 7.41 -51.93 -0.38 0.38 16 33 H 0.04 0.41 8.12 -51.93 -0.42 -0.01 16 34 H 0.07 0.70 6.45 -51.93 -0.33 0.36 16 35 H 0.04 0.54 7.85 -51.93 -0.41 0.14 16 36 H 0.05 0.64 7.20 -51.93 -0.37 0.27 16 37 H 0.07 0.81 8.14 -51.93 -0.42 0.39 16 38 H 0.07 0.80 7.96 -51.93 -0.41 0.38 16 39 H 0.09 1.39 7.47 -51.93 -0.39 1.00 16 40 H 0.08 0.81 7.80 -51.93 -0.41 0.41 16 41 H 0.05 0.58 7.25 -51.93 -0.38 0.21 16 42 H 0.06 0.67 8.06 -51.93 -0.42 0.25 16 43 H 0.06 0.65 8.14 -51.93 -0.42 0.22 16 44 H 0.06 0.74 8.14 -51.93 -0.42 0.32 16 45 H 0.07 1.01 7.55 -51.93 -0.39 0.62 16 46 H 0.02 0.38 8.14 -51.93 -0.42 -0.04 16 47 H 0.09 1.65 6.20 -51.93 -0.32 1.33 16 48 H 0.02 0.38 8.12 -51.93 -0.42 -0.04 16 49 H 0.06 1.25 8.01 -51.93 -0.42 0.84 16 50 H 0.02 0.68 8.14 -51.93 -0.42 0.26 16 51 H 0.02 0.46 6.42 -51.93 -0.33 0.13 16 52 H 0.26 7.40 8.31 -40.82 -0.34 7.06 16 53 H 0.02 0.36 8.14 -51.92 -0.42 -0.06 16 54 H 0.07 1.03 7.33 -51.93 -0.38 0.65 16 LS Contribution 399.27 15.07 6.02 6.02 Total: -1.00 -29.65 399.27 -12.41 -42.06 By element: Atomic # 1 Polarization: 7.73 SS G_CDS: -10.71 Total: -2.98 kcal Atomic # 6 Polarization: -11.48 SS G_CDS: -0.03 Total: -11.51 kcal Atomic # 7 Polarization: -47.69 SS G_CDS: -2.66 Total: -50.36 kcal Atomic # 14 Polarization: 21.79 SS G_CDS: -5.02 Total: 16.77 kcal Total LS contribution 6.02 Total: 6.02 kcal Total: -29.65 -12.41 -42.06 kcal The number of atoms in the molecule is 54 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. ZINC001277945076.mol2 54 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 45.577 kcal (2) G-P(sol) polarization free energy of solvation -29.648 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 15.929 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -12.409 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.057 kcal (6) G-S(sol) free energy of system = (1) + (5) 3.520 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.91 seconds