Wall clock time and date at job start Fri Apr 10 2020 22:30:19 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 1.31512 * 1 3 3 Si 1.86797 * 120.00530 * 2 1 4 4 H 1.48504 * 109.47061 * 270.00261 * 3 2 1 5 5 H 1.48497 * 109.46906 * 29.99434 * 3 2 1 6 6 H 1.48498 * 109.47403 * 149.99880 * 3 2 1 7 7 C 1.37880 * 119.99594 * 180.02562 * 2 1 3 8 8 H 1.07998 * 120.00010 * 359.97438 * 7 2 1 9 9 C 1.50701 * 119.99861 * 180.02562 * 7 2 1 10 10 C 1.52997 * 109.47212 * 179.97438 * 9 7 2 11 11 C 1.52992 * 109.47482 * 179.97438 * 10 9 7 12 12 N 1.46901 * 109.47859 * 179.97438 * 11 10 9 13 13 C 1.46848 * 110.99361 * 45.78870 * 12 11 10 14 14 C 1.53045 * 109.52212 * 185.84617 * 13 12 11 15 15 C 1.53126 * 109.27267 * 300.82193 * 14 13 12 16 16 C 1.53005 * 109.51758 * 177.56142 * 15 14 13 17 17 C 1.52991 * 109.47447 * 65.31772 * 16 15 14 18 18 N 1.46896 * 109.47361 * 179.97438 * 17 16 15 19 19 C 1.47006 * 111.00283 * 293.63530 * 18 17 16 20 20 C 1.53099 * 109.26162 * 177.60346 * 19 18 17 21 21 O 1.43022 * 109.25321 * 56.84933 * 20 19 18 22 22 C 1.43012 * 113.74030 * 301.32868 * 21 20 19 23 23 C 1.47018 * 111.00281 * 169.99492 * 18 17 16 24 24 C 1.53111 * 109.16377 * 57.65554 * 15 14 13 25 25 C 1.46844 * 111.00526 * 170.00090 * 12 11 10 26 26 H 0.97002 * 119.99739 * 0.02562 * 1 2 3 27 27 H 1.09002 * 109.47060 * 299.99817 * 9 7 2 28 28 H 1.09001 * 109.47380 * 59.99905 * 9 7 2 29 29 H 1.09002 * 109.47153 * 299.99998 * 10 9 7 30 30 H 1.08998 * 109.47533 * 59.99628 * 10 9 7 31 31 H 1.09002 * 109.47103 * 300.00247 * 11 10 9 32 32 H 1.09001 * 109.47066 * 60.00169 * 11 10 9 33 33 H 1.09000 * 109.46861 * 305.85669 * 13 12 11 34 34 H 1.08996 * 109.46450 * 65.82852 * 13 12 11 35 35 H 1.08996 * 109.50378 * 180.88718 * 14 13 12 36 36 H 1.08993 * 109.50521 * 60.75626 * 14 13 12 37 37 H 1.09003 * 109.52363 * 297.74473 * 15 14 13 38 38 H 1.09009 * 109.46577 * 185.31556 * 16 15 14 39 39 H 1.09000 * 109.46961 * 305.31068 * 16 15 14 40 40 H 1.09005 * 109.47225 * 299.99978 * 17 16 15 41 41 H 1.09000 * 109.47615 * 59.99696 * 17 16 15 42 42 H 1.09003 * 109.50773 * 297.53871 * 19 18 17 43 43 H 1.09005 * 109.50717 * 57.67099 * 19 18 17 44 44 H 1.08993 * 109.50987 * 296.91741 * 20 19 18 45 45 H 1.08997 * 109.54325 * 176.79911 * 20 19 18 46 46 H 1.09004 * 109.50477 * 298.73702 * 22 21 20 47 47 H 1.09000 * 109.54155 * 178.63283 * 22 21 20 48 48 H 1.08999 * 109.50689 * 302.33174 * 23 18 17 49 49 H 1.09002 * 109.50293 * 62.41642 * 23 18 17 50 50 H 1.08993 * 109.50713 * 182.40312 * 24 15 14 51 51 H 1.08998 * 109.50742 * 62.28519 * 24 15 14 52 52 H 1.09001 * 109.45873 * 294.17853 * 25 12 11 53 53 H 1.08993 * 109.45967 * 54.14426 * 25 12 11 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 1.3151 0.0000 0.0000 3 14 2.2493 1.6176 0.0000 4 1 2.4967 2.0463 -1.4001 5 1 1.4467 2.6526 0.6999 6 1 3.5468 1.4400 0.7000 7 6 2.0044 -1.1941 -0.0005 8 1 1.4644 -2.1294 -0.0005 9 6 3.5114 -1.1942 0.0000 10 6 4.0214 -2.6367 -0.0001 11 6 5.5513 -2.6368 -0.0001 12 7 6.0410 -4.0218 0.0004 13 6 5.3151 -4.8369 -0.9820 14 6 5.7475 -6.2993 -0.8528 15 6 7.2566 -6.4030 -1.0910 16 6 7.7052 -7.8537 -0.9033 17 6 7.0710 -8.7279 -1.9868 18 7 7.5022 -10.1206 -1.8069 19 6 8.9446 -10.2615 -2.0531 20 6 9.3613 -11.7123 -1.7971 21 8 8.5832 -12.5798 -2.6262 22 6 7.1736 -12.4692 -2.4122 23 6 6.7347 -11.0261 -2.6744 24 6 7.9867 -5.5075 -0.0863 25 6 7.4893 -4.0681 -0.2377 26 1 -0.4850 0.8401 -0.0004 27 1 3.8751 -0.6798 -0.8895 28 1 3.8745 -0.6810 0.8905 29 1 3.6577 -3.1507 0.8897 30 1 3.6584 -3.1504 -0.8902 31 1 5.9147 -2.1229 -0.8901 32 1 5.9147 -2.1231 0.8899 33 1 4.2435 -4.7577 -0.7989 34 1 5.5390 -4.4794 -1.9870 35 1 5.2202 -6.9014 -1.5926 36 1 5.5114 -6.6616 0.1477 37 1 7.4886 -6.0773 -2.1050 38 1 8.7911 -7.9109 -0.9797 39 1 7.3910 -8.2069 0.0789 40 1 5.9851 -8.6707 -1.9104 41 1 7.3852 -8.3747 -2.9689 42 1 9.1650 -9.9967 -3.0873 43 1 9.4946 -9.6012 -1.3825 44 1 9.1908 -11.9605 -0.7496 45 1 10.4184 -11.8351 -2.0329 46 1 6.9394 -12.7394 -1.3825 47 1 6.6478 -13.1389 -3.0928 48 1 5.6715 -10.9238 -2.4574 49 1 6.9191 -10.7729 -3.7185 50 1 9.0590 -5.5440 -0.2784 51 1 7.7858 -5.8573 0.9263 52 1 7.7030 -3.7141 -1.2462 53 1 7.9968 -3.4304 0.4860 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) 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 ZINC000363506473.mol2 53 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 22:30:19 Heat of formation + Delta-G solvation = -59.288350 kcal Electronic energy + Delta-G solvation = -25966.393903 eV Core-core repulsion = 22450.913614 eV Total energy + Delta-G solvation = -3515.480289 eV No. of doubly occupied orbitals = 61 Molecular weight (most abundant/longest-lived isotopes) = 310.236 amu Computer time = 0.60 seconds Orbital eigenvalues (eV) -40.05917 -39.22376 -36.79288 -35.19613 -33.38889 -31.79967 -31.57561 -30.74042 -29.94042 -27.54000 -26.10581 -24.49634 -23.80934 -23.39784 -21.95096 -21.03119 -20.66098 -19.86770 -19.56211 -17.00931 -16.71562 -16.56308 -15.77263 -15.75617 -15.46571 -15.15680 -14.97338 -14.66334 -14.44488 -14.37438 -14.05808 -13.84188 -13.57829 -13.12452 -12.80045 -12.69522 -12.45783 -12.36995 -12.14271 -11.86191 -11.77345 -11.62903 -11.57611 -11.27659 -11.12625 -11.00353 -10.90925 -10.73454 -10.65079 -10.30984 -10.15235 -10.03300 -9.94318 -9.61734 -9.54382 -9.13266 -8.80042 -8.52370 -8.05762 -6.02861 -4.00456 3.30398 3.31099 3.38544 3.42648 3.48314 4.11539 4.38753 4.46414 4.48898 4.55500 4.64045 4.72819 4.74724 4.77017 4.86879 5.02248 5.09710 5.13602 5.19853 5.23714 5.31105 5.31421 5.35195 5.37384 5.43334 5.47246 5.54072 5.57798 5.58838 5.66116 5.74073 5.77399 5.86081 5.91924 5.96820 6.05634 6.14803 6.16564 6.20042 6.38829 6.54264 6.57009 6.58528 6.61863 6.71660 6.90704 7.30048 7.35016 7.38529 7.47287 7.81851 8.56195 9.02417 9.59880 11.10667 Molecular weight = 310.24amu Principal moments of inertia in cm(-1) A = 0.030153 B = 0.001969 C = 0.001871 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 928.385618 B =14215.457805 C =14962.197801 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 N -0.904 5.904 2 C 0.064 3.936 3 Si 0.881 3.119 4 H -0.278 1.278 5 H -0.288 1.288 6 H -0.266 1.266 7 C -0.518 4.518 8 H 0.071 0.929 9 C -0.013 4.013 10 C -0.104 4.104 11 C 0.054 3.946 12 N -0.538 5.538 13 C 0.047 3.953 14 C -0.110 4.110 15 C -0.087 4.087 16 C -0.107 4.107 17 C 0.054 3.946 18 N -0.537 5.537 19 C 0.014 3.986 20 C 0.063 3.937 21 O -0.388 6.388 22 C 0.064 3.936 23 C 0.016 3.984 24 C -0.108 4.108 25 C 0.055 3.945 26 H 0.262 0.738 27 H 0.008 0.992 28 H 0.016 0.984 29 H 0.062 0.938 30 H 0.055 0.945 31 H 0.026 0.974 32 H 0.070 0.930 33 H 0.089 0.911 34 H 0.027 0.973 35 H 0.063 0.937 36 H 0.072 0.928 37 H 0.063 0.937 38 H 0.059 0.941 39 H 0.073 0.927 40 H 0.081 0.919 41 H 0.033 0.967 42 H 0.041 0.959 43 H 0.089 0.911 44 H 0.060 0.940 45 H 0.097 0.903 46 H 0.060 0.940 47 H 0.097 0.903 48 H 0.087 0.913 49 H 0.042 0.958 50 H 0.061 0.939 51 H 0.071 0.929 52 H 0.027 0.973 53 H 0.071 0.929 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 20.641 -22.497 -4.391 30.845 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 -0.544 5.544 2 C -0.136 4.136 3 Si 0.708 3.292 4 H -0.204 1.204 5 H -0.214 1.214 6 H -0.190 1.190 7 C -0.556 4.556 8 H 0.089 0.911 9 C -0.051 4.051 10 C -0.142 4.142 11 C -0.074 4.074 12 N -0.262 5.262 13 C -0.080 4.080 14 C -0.148 4.148 15 C -0.106 4.106 16 C -0.145 4.145 17 C -0.074 4.074 18 N -0.262 5.262 19 C -0.114 4.114 20 C -0.014 4.014 21 O -0.306 6.306 22 C -0.013 4.013 23 C -0.112 4.112 24 C -0.146 4.146 25 C -0.073 4.073 26 H 0.072 0.928 27 H 0.027 0.973 28 H 0.034 0.966 29 H 0.081 0.919 30 H 0.074 0.926 31 H 0.045 0.955 32 H 0.089 0.911 33 H 0.107 0.893 34 H 0.046 0.954 35 H 0.081 0.919 36 H 0.090 0.910 37 H 0.082 0.918 38 H 0.078 0.922 39 H 0.092 0.908 40 H 0.099 0.901 41 H 0.051 0.949 42 H 0.059 0.941 43 H 0.107 0.893 44 H 0.078 0.922 45 H 0.115 0.885 46 H 0.078 0.922 47 H 0.116 0.884 48 H 0.106 0.894 49 H 0.060 0.940 50 H 0.079 0.921 51 H 0.090 0.910 52 H 0.046 0.954 53 H 0.089 0.911 Dipole moment (debyes) X Y Z Total from point charges 20.388 -22.839 -3.575 30.823 hybrid contribution 0.503 1.867 -1.546 2.476 sum 20.891 -20.971 -5.121 30.041 Atomic orbital electron populations 1.69919 1.06281 1.26818 1.51337 1.25047 0.94747 0.99186 0.94660 0.86764 0.80384 0.83636 0.78412 1.20413 1.21398 1.19017 1.21142 0.89502 0.94424 1.50534 0.91059 1.19553 0.97161 0.92299 0.96110 1.21619 0.91219 0.99812 1.01565 1.22299 0.97655 0.87341 1.00063 1.62014 1.02926 1.11698 1.49597 1.22226 1.00006 0.92723 0.93084 1.21694 0.94639 0.96148 1.02343 1.21196 0.96024 0.94234 0.99189 1.21610 0.99853 0.93645 0.99404 1.22239 1.00925 0.86587 0.97608 1.62224 1.03599 1.06612 1.53786 1.22841 0.89638 0.98327 1.00567 1.22675 0.95530 0.88120 0.95066 1.87983 1.17477 1.62332 1.62841 1.22669 0.81643 0.95249 1.01785 1.22791 0.99235 0.93725 0.95436 1.21594 0.98502 0.94435 1.00027 1.22054 0.89220 0.96836 0.99229 0.92792 0.97334 0.96588 0.91907 0.92604 0.95537 0.91145 0.89276 0.95433 0.91859 0.90952 0.91848 0.92232 0.90835 0.90098 0.94870 0.94073 0.89260 0.92190 0.88530 0.92155 0.88445 0.89424 0.94004 0.92067 0.91000 0.95447 0.91054 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 N -0.90 -28.20 13.96 55.43 0.77 -27.42 16 2 C 0.06 1.90 5.47 -17.82 -0.10 1.81 16 3 Si 0.88 22.00 27.47 -169.99 -4.67 17.33 16 4 H -0.28 -6.82 7.11 56.52 0.40 -6.42 16 5 H -0.29 -7.11 7.11 56.52 0.40 -6.71 16 6 H -0.27 -6.38 6.54 56.52 0.37 -6.01 16 7 C -0.52 -14.97 9.66 -34.44 -0.33 -15.31 16 8 H 0.07 2.21 7.99 -52.49 -0.42 1.79 16 9 C -0.01 -0.32 4.04 -27.88 -0.11 -0.43 16 10 C -0.10 -2.09 4.40 -26.74 -0.12 -2.21 16 11 C 0.05 0.90 5.27 -3.83 -0.02 0.88 16 12 N -0.54 -7.84 4.81 -234.67 -1.13 -8.97 16 13 C 0.05 0.65 4.85 -3.83 -0.02 0.63 16 14 C -0.11 -1.20 5.08 -26.64 -0.14 -1.33 16 15 C -0.09 -0.82 2.25 -90.50 -0.20 -1.02 16 16 C -0.11 -0.86 4.62 -26.73 -0.12 -0.99 16 17 C 0.05 0.43 4.72 -3.83 -0.02 0.42 16 18 N -0.54 -4.35 4.73 -234.32 -1.11 -5.46 16 19 C 0.01 0.10 5.44 -3.71 -0.02 0.08 16 20 C 0.06 0.44 7.01 37.21 0.26 0.70 16 21 O -0.39 -3.46 10.83 -35.23 -0.38 -3.84 16 22 C 0.06 0.45 7.01 37.21 0.26 0.71 16 23 C 0.02 0.12 5.64 -3.71 -0.02 0.10 16 24 C -0.11 -1.06 5.38 -26.65 -0.14 -1.20 16 25 C 0.05 0.66 5.43 -3.83 -0.02 0.64 16 26 H 0.26 7.65 8.31 -40.82 -0.34 7.31 16 27 H 0.01 0.20 7.57 -51.93 -0.39 -0.19 16 28 H 0.02 0.39 7.20 -51.93 -0.37 0.01 16 29 H 0.06 1.30 8.14 -51.93 -0.42 0.88 16 30 H 0.06 1.11 6.21 -51.93 -0.32 0.79 16 31 H 0.03 0.44 8.08 -51.93 -0.42 0.02 16 32 H 0.07 1.17 8.14 -51.93 -0.42 0.74 16 33 H 0.09 1.35 5.81 -51.93 -0.30 1.05 16 34 H 0.03 0.38 8.14 -51.93 -0.42 -0.04 16 35 H 0.06 0.62 6.70 -51.93 -0.35 0.27 16 36 H 0.07 0.84 8.14 -51.93 -0.42 0.41 16 37 H 0.06 0.62 8.14 -51.93 -0.42 0.19 16 38 H 0.06 0.45 6.52 -51.92 -0.34 0.11 16 39 H 0.07 0.65 8.14 -51.93 -0.42 0.23 16 40 H 0.08 0.67 6.53 -51.93 -0.34 0.33 16 41 H 0.03 0.28 8.12 -51.93 -0.42 -0.14 16 42 H 0.04 0.32 8.14 -51.93 -0.42 -0.10 16 43 H 0.09 0.57 6.38 -51.93 -0.33 0.24 16 44 H 0.06 0.41 8.14 -51.93 -0.42 -0.02 16 45 H 0.10 0.51 8.14 -51.93 -0.42 0.09 16 46 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 47 H 0.10 0.53 8.14 -51.93 -0.42 0.10 16 48 H 0.09 0.57 8.09 -51.93 -0.42 0.15 16 49 H 0.04 0.33 8.14 -51.93 -0.42 -0.09 16 50 H 0.06 0.51 8.14 -51.93 -0.42 0.09 16 51 H 0.07 0.75 8.14 -51.93 -0.42 0.33 16 52 H 0.03 0.34 8.14 -51.93 -0.42 -0.09 16 53 H 0.07 0.83 8.12 -51.93 -0.42 0.41 16 LS Contribution 392.57 15.07 5.92 5.92 Total: -1.00 -31.43 392.57 -11.82 -43.25 By element: Atomic # 1 Polarization: 6.09 SS G_CDS: -10.36 Total: -4.27 kcal Atomic # 6 Polarization: -15.67 SS G_CDS: -0.86 Total: -16.53 kcal Atomic # 7 Polarization: -40.39 SS G_CDS: -1.46 Total: -41.85 kcal Atomic # 8 Polarization: -3.46 SS G_CDS: -0.38 Total: -3.84 kcal Atomic # 14 Polarization: 22.00 SS G_CDS: -4.67 Total: 17.33 kcal Total LS contribution 5.92 Total: 5.92 kcal Total: -31.43 -11.82 -43.25 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. ZINC000363506473.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 -16.040 kcal (2) G-P(sol) polarization free energy of solvation -31.430 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -47.470 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.819 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.249 kcal (6) G-S(sol) free energy of system = (1) + (5) -59.288 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.60 seconds