Wall clock time and date at job start Sat Apr 11 2020 06:11:36 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 1.53001 * 1 3 3 C 1.53001 * 109.46998 * 2 1 4 4 N 1.46900 * 109.46972 * 119.99587 * 2 1 3 5 5 C 1.46902 * 111.00472 * 298.95415 * 4 2 1 6 6 C 1.46907 * 110.99912 * 174.99834 * 4 2 1 7 7 C 1.50701 * 109.47070 * 190.00158 * 6 4 2 8 8 O 1.21283 * 119.99916 * 0.02562 * 7 6 4 9 9 N 1.34777 * 119.99976 * 180.02562 * 7 6 4 10 10 C 1.47610 * 118.74415 * 359.97438 * 9 7 6 11 11 C 1.53833 * 111.28702 * 138.30698 * 10 9 7 12 12 C 1.51271 * 109.63825 * 319.97674 * 11 10 9 13 13 N 1.46203 * 109.09413 * 92.40537 * 12 11 10 14 14 C 1.46897 * 111.00156 * 144.75742 * 13 12 11 15 15 C 1.50699 * 109.46919 * 64.74987 * 14 13 12 16 16 O 1.21294 * 120.00052 * 354.38236 * 15 14 13 17 17 N 1.34771 * 120.00115 * 174.37327 * 15 14 13 18 18 C 1.37097 * 120.00212 * 180.02562 * 17 15 14 19 19 H 1.07997 * 120.00143 * 0.02562 * 18 17 15 20 20 C 1.38958 * 119.99991 * 180.02562 * 18 17 15 21 21 N 1.31415 * 120.00023 * 0.02562 * 20 18 17 22 22 Si 1.86794 * 119.99964 * 180.02562 * 20 18 17 23 23 H 1.48504 * 109.47288 * 0.02562 * 22 20 18 24 24 H 1.48505 * 109.47082 * 120.00236 * 22 20 18 25 25 H 1.48502 * 109.47137 * 240.00381 * 22 20 18 26 26 C 1.41441 * 116.34538 * 272.96464 * 13 12 11 27 27 C 1.44883 * 118.74747 * 180.02562 * 9 7 6 28 28 H 1.09004 * 109.47078 * 299.99952 * 1 2 3 29 29 H 1.08996 * 109.47357 * 60.00134 * 1 2 3 30 30 H 1.08994 * 109.47218 * 180.02562 * 1 2 3 31 31 H 1.08993 * 109.47036 * 239.99602 * 2 1 3 32 32 H 1.08997 * 109.46670 * 299.99654 * 3 2 1 33 33 H 1.08995 * 109.47092 * 60.00169 * 3 2 1 34 34 H 1.08995 * 109.47061 * 179.97438 * 3 2 1 35 35 H 1.08997 * 109.46789 * 296.04627 * 5 4 2 36 36 H 1.09000 * 109.46577 * 56.04518 * 5 4 2 37 37 H 1.08995 * 109.47406 * 176.04841 * 5 4 2 38 38 H 1.09003 * 109.46717 * 70.00209 * 6 4 2 39 39 H 1.08998 * 109.47015 * 310.00201 * 6 4 2 40 40 H 1.08999 * 109.11244 * 258.78211 * 10 9 7 41 41 H 1.09009 * 109.11688 * 17.90550 * 10 9 7 42 42 H 1.09004 * 109.44355 * 199.92091 * 11 10 9 43 43 H 1.08994 * 109.43073 * 80.02719 * 11 10 9 44 44 H 1.08994 * 109.53438 * 332.51879 * 12 11 10 45 45 H 1.09000 * 109.53335 * 212.28978 * 12 11 10 46 46 H 1.08990 * 109.47087 * 184.74985 * 14 13 12 47 47 H 1.09006 * 109.47138 * 304.75771 * 14 13 12 48 48 H 0.97004 * 120.00289 * 0.02562 * 17 15 14 49 49 H 0.96991 * 119.99772 * 179.97438 * 21 20 18 50 50 H 1.08994 * 109.38913 * 183.64130 * 26 13 12 51 51 H 1.09003 * 109.38722 * 303.32719 * 26 13 12 52 52 H 1.08997 * 109.43352 * 149.65630 * 27 9 7 53 53 H 1.08993 * 109.43477 * 29.78725 * 27 9 7 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 6 2.0400 1.4425 0.0000 4 7 2.0196 -0.6924 1.1995 5 6 1.5692 -0.0120 2.4210 6 6 3.4833 -0.8164 1.1752 7 6 3.9279 -1.7364 2.2829 8 8 3.1064 -2.2396 3.0197 9 7 5.2384 -2.0000 2.4547 10 6 6.2143 -1.3731 1.5417 11 6 7.4550 -0.8784 2.3047 12 6 7.0311 -0.2624 3.6197 13 7 7.0664 -1.2876 4.6614 14 6 7.4910 -0.7176 5.9469 15 6 6.4625 0.2774 6.4194 16 8 5.5256 0.5665 5.7054 17 7 6.5836 0.8458 7.6354 18 6 5.6476 1.7505 8.0655 19 1 4.8130 2.0075 7.4300 20 6 5.7728 2.3370 9.3190 21 7 6.7886 2.0247 10.0920 22 14 4.4971 3.5691 9.9053 23 1 3.4611 3.7462 8.8562 24 1 3.8603 3.0681 11.1497 25 1 5.1556 4.8723 10.1762 26 6 5.8963 -2.0675 4.8144 27 6 5.6356 -2.8887 3.5278 28 1 -0.3633 0.5138 0.8900 29 1 -0.3634 0.5138 -0.8899 30 1 -0.3633 -1.0276 0.0005 31 1 1.8933 -0.5139 -0.8899 32 1 1.6767 1.9562 -0.8900 33 1 1.6767 1.9563 0.8900 34 1 3.1299 1.4425 0.0005 35 1 2.0053 0.9861 2.4627 36 1 0.4821 0.0665 2.4133 37 1 1.8861 -0.5836 3.2933 38 1 3.9335 0.1662 1.3162 39 1 3.7973 -1.2256 0.2150 40 1 6.5228 -2.1030 0.7933 41 1 5.7428 -0.5269 1.0417 42 1 7.9757 -0.1315 1.7052 43 1 8.1221 -1.7188 2.4959 44 1 6.0184 0.1300 3.5286 45 1 7.7143 0.5459 3.8805 46 1 7.5900 -1.5152 6.6831 47 1 8.4510 -0.2164 5.8228 48 1 7.3330 0.6148 8.2064 49 1 6.8761 2.4343 10.9668 50 1 6.0218 -2.7466 5.6577 51 1 5.0465 -1.4116 5.0035 52 1 6.5460 -3.4164 3.2435 53 1 4.8410 -3.6115 3.7130 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 ZINC001198275026.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 06:11:36 Heat of formation + Delta-G solvation = -42.814389 kcal Electronic energy + Delta-G solvation = -32037.020756 eV Core-core repulsion = 27944.494677 eV Total energy + Delta-G solvation = -4092.526079 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.60 seconds Orbital eigenvalues (eV) -40.47927 -39.12982 -38.06625 -36.90864 -34.95856 -33.77527 -32.58861 -31.94178 -31.30374 -29.64678 -28.08700 -27.19980 -26.49739 -25.76133 -24.85536 -23.84531 -21.98604 -20.59733 -19.83756 -19.19806 -18.68532 -17.90245 -17.31823 -16.52059 -15.99298 -15.91479 -15.55201 -15.27373 -15.03140 -14.74886 -14.60658 -14.38853 -13.98310 -13.83346 -13.65152 -13.41467 -13.28042 -13.19365 -13.08263 -12.63911 -12.29771 -12.13576 -11.91268 -11.79273 -11.62422 -11.55195 -11.51475 -11.35091 -11.26265 -11.21715 -11.10268 -10.98450 -10.85672 -10.70660 -10.51925 -10.37095 -10.26319 -9.55142 -9.49802 -9.02953 -8.48264 -8.29444 -8.00044 -7.45523 -6.45230 -3.86280 2.79774 3.02600 3.12830 3.24019 3.31142 3.85211 3.88133 4.14521 4.28114 4.55406 4.69083 4.80877 4.89288 4.97550 5.00721 5.03354 5.14640 5.17665 5.21777 5.24864 5.38933 5.42326 5.45202 5.51572 5.56500 5.65709 5.65999 5.70413 5.72969 5.77652 5.79005 5.88088 5.97224 5.99141 6.02085 6.08353 6.12575 6.13343 6.26241 6.33335 6.53555 6.58752 6.82182 6.91701 7.03508 7.40086 7.47512 7.51498 7.77838 8.01891 8.40161 8.56613 9.13899 9.50319 10.01074 10.71634 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.010122 B = 0.003408 C = 0.002774 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2765.654265 B = 8212.863531 C =10089.559346 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.144 4.144 2 C 0.075 3.925 3 C -0.190 4.190 4 N -0.517 5.517 5 C 0.013 3.987 6 C 0.036 3.964 7 C 0.513 3.487 8 O -0.519 6.519 9 N -0.606 5.606 10 C 0.110 3.890 11 C -0.132 4.132 12 C 0.075 3.925 13 N -0.535 5.535 14 C 0.049 3.951 15 C 0.406 3.594 16 O -0.593 6.593 17 N -0.559 5.559 18 C -0.300 4.300 19 H 0.101 0.899 20 C 0.023 3.977 21 N -0.899 5.899 22 Si 0.928 3.072 23 H -0.269 1.269 24 H -0.281 1.281 25 H -0.281 1.281 26 C 0.048 3.952 27 C 0.124 3.876 28 H 0.058 0.942 29 H 0.058 0.942 30 H 0.063 0.937 31 H 0.080 0.920 32 H 0.061 0.939 33 H 0.062 0.938 34 H 0.055 0.945 35 H 0.026 0.974 36 H 0.069 0.931 37 H 0.090 0.910 38 H 0.065 0.935 39 H 0.097 0.903 40 H 0.063 0.937 41 H 0.075 0.925 42 H 0.074 0.926 43 H 0.078 0.922 44 H 0.060 0.940 45 H 0.063 0.937 46 H 0.086 0.914 47 H 0.087 0.913 48 H 0.392 0.608 49 H 0.271 0.729 50 H 0.072 0.928 51 H 0.061 0.939 52 H 0.077 0.923 53 H 0.084 0.916 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -0.676 -5.992 -19.848 20.744 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 -0.202 4.202 2 C -0.033 4.033 3 C -0.249 4.249 4 N -0.241 5.241 5 C -0.135 4.135 6 C -0.095 4.095 7 C 0.300 3.700 8 O -0.394 6.394 9 N -0.341 5.341 10 C -0.013 4.013 11 C -0.171 4.171 12 C -0.052 4.052 13 N -0.258 5.258 14 C -0.083 4.083 15 C 0.191 3.809 16 O -0.479 6.479 17 N -0.195 5.195 18 C -0.430 4.430 19 H 0.119 0.881 20 C -0.179 4.179 21 N -0.541 5.541 22 Si 0.755 3.245 23 H -0.193 1.193 24 H -0.207 1.207 25 H -0.207 1.207 26 C -0.082 4.082 27 C 0.000 4.000 28 H 0.077 0.923 29 H 0.077 0.923 30 H 0.082 0.918 31 H 0.099 0.901 32 H 0.080 0.920 33 H 0.081 0.919 34 H 0.074 0.926 35 H 0.044 0.956 36 H 0.087 0.913 37 H 0.108 0.892 38 H 0.082 0.918 39 H 0.116 0.884 40 H 0.081 0.919 41 H 0.093 0.907 42 H 0.093 0.907 43 H 0.097 0.903 44 H 0.078 0.922 45 H 0.082 0.918 46 H 0.104 0.896 47 H 0.106 0.894 48 H 0.226 0.774 49 H 0.081 0.919 50 H 0.090 0.910 51 H 0.079 0.921 52 H 0.095 0.905 53 H 0.102 0.898 Dipole moment (debyes) X Y Z Total from point charges -1.588 -6.804 -19.885 21.076 hybrid contribution -0.150 2.042 1.088 2.319 sum -1.739 -4.762 -18.796 19.468 Atomic orbital electron populations 1.21856 0.94083 1.02543 1.01702 1.21756 0.96119 0.92283 0.93155 1.22520 1.01420 0.98300 1.02667 1.61968 1.08218 1.51293 1.02621 1.22631 1.00793 0.96842 0.93220 1.22030 0.90096 0.98765 0.98583 1.20477 0.82124 0.81986 0.85408 1.90662 1.51750 1.50956 1.46070 1.47785 1.05859 1.47876 1.32550 1.22002 0.90527 0.97186 0.91603 1.21934 0.96746 1.01586 0.96842 1.21399 1.01785 0.92337 0.89710 1.58883 1.35414 1.25874 1.05637 1.22067 0.97791 0.97057 0.91345 1.21102 0.89470 0.86574 0.83713 1.90495 1.35293 1.66293 1.55846 1.42026 1.24938 1.37917 1.14624 1.19739 1.05251 1.17725 1.00236 0.88076 1.25269 0.97745 0.98807 0.96034 1.69616 1.29726 1.43955 1.10759 0.85828 0.80258 0.79704 0.78730 1.19303 1.20653 1.20703 1.21757 0.93135 0.96590 0.96768 1.21528 1.00354 0.91833 0.86257 0.92301 0.92333 0.91765 0.90141 0.92029 0.91948 0.92613 0.95589 0.91281 0.89192 0.91752 0.88445 0.91888 0.90705 0.90698 0.90313 0.92186 0.91820 0.89612 0.89438 0.77445 0.91864 0.90955 0.92075 0.90494 0.89798 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 -0.14 -1.30 9.00 37.16 0.33 -0.97 16 2 C 0.08 0.74 2.96 -67.71 -0.20 0.54 16 3 C -0.19 -1.74 8.50 37.16 0.32 -1.43 16 4 N -0.52 -6.62 4.49 -236.33 -1.06 -7.68 16 5 C 0.01 0.18 8.40 60.07 0.50 0.69 16 6 C 0.04 0.44 3.22 -4.97 -0.02 0.42 16 7 C 0.51 7.81 7.35 -10.98 -0.08 7.73 16 8 O -0.52 -9.89 13.74 5.56 0.08 -9.81 16 9 N -0.61 -8.10 2.18 -172.38 -0.38 -8.47 16 10 C 0.11 1.09 5.99 -3.00 -0.02 1.08 16 11 C -0.13 -1.42 5.78 -27.17 -0.16 -1.58 16 12 C 0.08 1.15 4.13 -5.07 -0.02 1.13 16 13 N -0.54 -8.51 3.99 -240.90 -0.96 -9.48 16 14 C 0.05 0.85 5.58 -4.98 -0.03 0.82 16 15 C 0.41 9.35 7.22 -10.99 -0.08 9.27 16 16 O -0.59 -15.46 12.19 5.55 0.07 -15.40 16 17 N -0.56 -14.08 5.29 -10.96 -0.06 -14.14 16 18 C -0.30 -8.37 9.68 -14.93 -0.14 -8.52 16 19 H 0.10 3.00 7.16 -52.49 -0.38 2.63 16 20 C 0.02 0.63 5.50 -17.46 -0.10 0.53 16 21 N -0.90 -24.50 13.05 55.50 0.72 -23.78 16 22 Si 0.93 21.23 29.55 -169.99 -5.02 16.20 16 23 H -0.27 -6.19 7.11 56.52 0.40 -5.79 16 24 H -0.28 -6.33 7.11 56.52 0.40 -5.93 16 25 H -0.28 -6.30 7.11 56.52 0.40 -5.90 16 26 C 0.05 0.80 4.93 -5.70 -0.03 0.77 16 27 C 0.12 1.72 5.52 -3.93 -0.02 1.70 16 28 H 0.06 0.56 6.34 -51.93 -0.33 0.23 16 29 H 0.06 0.43 8.14 -51.93 -0.42 0.00 16 30 H 0.06 0.61 8.14 -51.93 -0.42 0.19 16 31 H 0.08 0.70 8.03 -51.93 -0.42 0.28 16 32 H 0.06 0.47 8.14 -51.93 -0.42 0.05 16 33 H 0.06 0.65 6.47 -51.93 -0.34 0.31 16 34 H 0.05 0.51 6.75 -51.93 -0.35 0.15 16 35 H 0.03 0.37 6.51 -51.93 -0.34 0.03 16 36 H 0.07 0.89 6.13 -51.93 -0.32 0.57 16 37 H 0.09 1.61 5.88 -51.93 -0.31 1.30 16 38 H 0.06 0.77 6.20 -51.93 -0.32 0.44 16 39 H 0.10 0.92 7.90 -51.93 -0.41 0.51 16 40 H 0.06 0.50 8.14 -51.93 -0.42 0.08 16 41 H 0.07 0.66 5.87 -51.92 -0.30 0.36 16 42 H 0.07 0.66 8.14 -51.93 -0.42 0.23 16 43 H 0.08 0.83 7.98 -51.93 -0.41 0.42 16 44 H 0.06 1.12 6.22 -51.93 -0.32 0.80 16 45 H 0.06 1.01 7.58 -51.93 -0.39 0.62 16 46 H 0.09 1.37 7.92 -51.93 -0.41 0.96 16 47 H 0.09 1.37 7.94 -51.93 -0.41 0.96 16 48 H 0.39 9.48 7.90 -40.82 -0.32 9.16 16 49 H 0.27 6.98 8.31 -40.82 -0.34 6.64 16 50 H 0.07 1.16 7.85 -51.93 -0.41 0.75 16 51 H 0.06 1.33 6.22 -51.93 -0.32 1.01 16 52 H 0.08 0.91 8.11 -51.93 -0.42 0.49 16 53 H 0.08 1.24 7.28 -51.93 -0.38 0.86 16 LS Contribution 396.81 15.07 5.98 5.98 Total: -1.00 -32.72 396.81 -9.23 -41.95 By element: Atomic # 1 Polarization: 21.30 SS G_CDS: -8.86 Total: 12.44 kcal Atomic # 6 Polarization: 11.92 SS G_CDS: 0.26 Total: 12.18 kcal Atomic # 7 Polarization: -61.82 SS G_CDS: -1.73 Total: -63.55 kcal Atomic # 8 Polarization: -25.35 SS G_CDS: 0.14 Total: -25.21 kcal Atomic # 14 Polarization: 21.23 SS G_CDS: -5.02 Total: 16.20 kcal Total LS contribution 5.98 Total: 5.98 kcal Total: -32.72 -9.23 -41.95 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. ZINC001198275026.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 -0.865 kcal (2) G-P(sol) polarization free energy of solvation -32.721 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -33.586 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.229 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.950 kcal (6) G-S(sol) free energy of system = (1) + (5) -42.814 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.60 seconds