Wall clock time and date at job start Sat Apr 11 2020 06:11:01 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 O 1.42902 * 109.47569 * 2 1 4 4 C 1.42894 * 114.00075 * 179.97438 * 3 2 1 5 5 H 1.09001 * 110.65853 * 26.80278 * 4 3 2 6 6 C 1.54941 * 110.73867 * 263.41318 * 4 3 2 7 7 N 1.48377 * 103.37625 * 204.38915 * 6 4 3 8 8 C 1.34786 * 127.17223 * 219.23552 * 7 6 4 9 9 O 1.21277 * 119.99813 * 179.80071 * 8 7 6 10 10 C 1.50696 * 119.99877 * 359.79560 * 8 7 6 11 11 H 1.09005 * 108.94254 * 61.23702 * 10 8 7 12 12 C 1.46283 * 108.96153 * 179.97438 * 10 8 7 13 13 C 1.54204 * 112.07657 * 181.55735 * 12 10 8 14 14 C 1.50408 * 108.77168 * 282.19323 * 13 12 10 15 15 O 1.44193 * 112.77168 * 92.57669 * 14 13 12 16 16 C 1.44186 * 116.92675 * 318.47484 * 15 14 13 17 17 C 1.50412 * 112.78050 * 318.47764 * 16 15 14 18 18 C 1.47485 * 105.79701 * 39.06652 * 7 6 4 19 19 C 1.54005 * 107.24392 * 334.78511 * 18 7 6 20 20 H 1.08993 * 110.32614 * 120.10270 * 19 18 7 21 21 C 1.53007 * 110.32382 * 242.21213 * 19 18 7 22 22 N 1.46501 * 109.47256 * 293.54693 * 21 19 18 23 23 C 1.36935 * 119.99918 * 180.02562 * 22 21 19 24 24 H 1.07998 * 119.99831 * 0.02562 * 23 22 21 25 25 C 1.38808 * 119.99628 * 179.97438 * 23 22 21 26 26 N 1.31620 * 119.99663 * 180.02562 * 25 23 22 27 27 Si 1.86798 * 120.00451 * 0.02562 * 25 23 22 28 28 H 1.48497 * 109.47182 * 89.99611 * 27 25 23 29 29 H 1.48501 * 109.47146 * 210.00041 * 27 25 23 30 30 H 1.48506 * 109.46792 * 329.99957 * 27 25 23 31 31 H 1.08995 * 109.47228 * 180.02562 * 1 2 3 32 32 H 1.08995 * 109.47132 * 300.01006 * 1 2 3 33 33 H 1.09001 * 109.46390 * 60.00097 * 1 2 3 34 34 H 1.09002 * 109.47461 * 239.99172 * 2 1 3 35 35 H 1.09008 * 109.47026 * 119.99904 * 2 1 3 36 36 H 1.09005 * 110.66544 * 322.73272 * 6 4 3 37 37 H 1.09006 * 110.66339 * 85.68094 * 6 4 3 38 38 H 1.08995 * 108.96635 * 302.23125 * 12 10 8 39 39 H 1.09009 * 108.95840 * 60.98401 * 12 10 8 40 40 H 1.09007 * 109.58034 * 41.98135 * 13 12 10 41 41 H 1.09003 * 109.58682 * 162.26126 * 13 12 10 42 42 H 1.09004 * 108.82523 * 213.42245 * 14 13 12 43 43 H 1.08993 * 108.82356 * 331.83264 * 14 13 12 44 44 H 1.08997 * 108.82100 * 79.33196 * 16 15 14 45 45 H 1.09010 * 108.81924 * 197.73844 * 16 15 14 46 46 H 1.09005 * 109.58663 * 332.78320 * 17 16 15 47 47 H 1.09002 * 109.58748 * 212.36819 * 17 16 15 48 48 H 1.09002 * 109.91598 * 215.32597 * 18 7 6 49 49 H 1.08999 * 109.91369 * 94.23678 * 18 7 6 50 50 H 1.09006 * 109.46814 * 53.54773 * 21 19 18 51 51 H 1.09000 * 109.46968 * 173.54218 * 21 19 18 52 52 H 0.97000 * 119.99484 * 359.97438 * 22 21 19 53 53 H 0.97000 * 120.00513 * 180.02562 * 26 25 23 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 2.0065 1.3473 0.0000 4 6 3.4309 1.4600 0.0006 5 1 3.8863 0.5828 -0.4590 6 6 3.9642 1.6692 1.4402 7 7 5.2657 2.3495 1.2287 8 6 6.4117 2.1443 1.9079 9 8 7.4073 2.7750 1.6218 10 6 6.4559 1.1313 3.0226 11 1 6.2235 0.1471 2.6157 12 6 7.8048 1.1050 3.5879 13 6 7.9411 0.0605 4.7141 14 6 7.3219 0.6162 5.9671 15 8 5.9359 0.2470 6.1158 16 6 5.1174 0.2917 4.9296 17 6 5.3929 1.4998 4.0771 18 6 5.0486 3.2952 0.1180 19 6 3.8783 2.7514 -0.7224 20 1 3.0623 3.4736 -0.7472 21 6 4.3476 2.4323 -2.1433 22 7 4.7182 3.6745 -2.8258 23 6 5.1707 3.6372 -4.1177 24 1 5.2539 2.6921 -4.6336 25 6 5.5213 4.8143 -4.7645 26 7 5.9557 4.7785 -6.0064 27 14 5.3766 6.4491 -3.8724 28 1 6.6522 6.7456 -3.1724 29 1 5.0891 7.5252 -4.8546 30 1 4.2733 6.3760 -2.8811 31 1 -0.3633 -1.0276 0.0005 32 1 -0.3633 0.5140 0.8898 33 1 -0.3632 0.5138 -0.8900 34 1 1.8934 -0.5140 -0.8899 35 1 1.8934 -0.5139 0.8901 36 1 3.2887 2.3057 2.0119 37 1 4.1043 0.7114 1.9415 38 1 8.5159 0.8676 2.7967 39 1 8.0394 2.0905 3.9904 40 1 7.4253 -0.8559 4.4268 41 1 8.9956 -0.1531 4.8887 42 1 7.8785 0.2466 6.8283 43 1 7.3940 1.7034 5.9427 44 1 5.3045 -0.6053 4.3394 45 1 4.0686 0.3044 5.2264 46 1 5.7647 2.3114 4.7027 47 1 4.4755 1.8116 3.5778 48 1 5.9474 3.3603 -0.4953 49 1 4.7964 4.2796 0.5124 50 1 5.2120 1.7696 -2.1002 51 1 3.5419 1.9433 -2.6909 52 1 4.6423 4.5235 -2.3627 53 1 6.2011 5.6009 -6.4584 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 ZINC001479534634.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 06:11:01 Heat of formation + Delta-G solvation = -109.866082 kcal Electronic energy + Delta-G solvation = -31506.500766 eV Core-core repulsion = 27378.774357 eV Total energy + Delta-G solvation = -4127.726409 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.73 seconds Orbital eigenvalues (eV) -40.97508 -39.48612 -38.38857 -36.78665 -35.04355 -34.84831 -32.99244 -32.08883 -31.46671 -30.04405 -28.48091 -28.14555 -26.47045 -25.25445 -23.78653 -22.93898 -21.80117 -21.53178 -20.92317 -20.20094 -19.47695 -17.84932 -17.49935 -17.17548 -16.89472 -16.58794 -15.97463 -15.64641 -15.39967 -14.96007 -14.64646 -14.37136 -14.20246 -14.07585 -13.95277 -13.64646 -13.59674 -13.42602 -13.05042 -12.89039 -12.78744 -12.69958 -12.53508 -12.04363 -11.93895 -11.86798 -11.72438 -11.57923 -11.37999 -11.24976 -11.21884 -11.16228 -10.81303 -10.80566 -10.74482 -10.59664 -10.14421 -9.88789 -9.85094 -9.65587 -9.56455 -8.91672 -8.74660 -7.25434 -5.76839 -3.13170 2.49897 2.69550 3.38876 3.39011 3.42132 3.46869 3.50323 4.09029 4.24485 4.26961 4.37664 4.48607 4.53810 4.60007 4.63675 4.77159 4.84368 4.87281 4.98768 5.01790 5.04738 5.05838 5.13444 5.14668 5.17864 5.23108 5.29432 5.36466 5.45540 5.50869 5.55742 5.57108 5.61041 5.62117 5.71389 5.72314 5.73622 5.78298 5.81744 5.93325 5.96003 6.00127 6.14934 6.16391 6.56342 6.62005 6.84494 7.08891 7.41391 7.97453 8.05689 8.41565 9.19753 9.92129 10.11054 11.41470 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.010420 B = 0.003246 C = 0.002619 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2686.374031 B = 8623.028015 C =10687.984855 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 0.055 3.945 3 O -0.370 6.370 4 C 0.084 3.916 5 H 0.081 0.919 6 C 0.080 3.920 7 N -0.616 5.616 8 C 0.533 3.467 9 O -0.531 6.531 10 C -0.098 4.098 11 H 0.096 0.904 12 C -0.111 4.111 13 C -0.152 4.152 14 C 0.061 3.939 15 O -0.395 6.395 16 C 0.066 3.934 17 C -0.156 4.156 18 C 0.109 3.891 19 C -0.109 4.109 20 H 0.098 0.902 21 C 0.168 3.832 22 N -0.754 5.754 23 C -0.245 4.245 24 H 0.090 0.910 25 C 0.006 3.994 26 N -0.933 5.933 27 Si 0.883 3.117 28 H -0.283 1.283 29 H -0.290 1.290 30 H -0.277 1.277 31 H 0.069 0.931 32 H 0.061 0.939 33 H 0.065 0.935 34 H 0.052 0.948 35 H 0.046 0.954 36 H 0.085 0.915 37 H 0.082 0.918 38 H 0.076 0.924 39 H 0.073 0.927 40 H 0.075 0.925 41 H 0.082 0.918 42 H 0.087 0.913 43 H 0.052 0.948 44 H 0.052 0.948 45 H 0.091 0.909 46 H 0.082 0.918 47 H 0.089 0.911 48 H 0.094 0.906 49 H 0.067 0.933 50 H 0.028 0.972 51 H 0.032 0.968 52 H 0.361 0.639 53 H 0.260 0.740 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -5.804 -13.337 25.036 28.955 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 -0.022 4.022 3 O -0.288 6.288 4 C 0.025 3.975 5 H 0.099 0.901 6 C -0.044 4.044 7 N -0.352 5.352 8 C 0.321 3.679 9 O -0.407 6.407 10 C -0.119 4.119 11 H 0.114 0.886 12 C -0.149 4.149 13 C -0.190 4.190 14 C -0.015 4.015 15 O -0.315 6.315 16 C -0.010 4.010 17 C -0.193 4.193 18 C -0.013 4.013 19 C -0.129 4.129 20 H 0.117 0.883 21 C 0.041 3.959 22 N -0.400 5.400 23 C -0.375 4.375 24 H 0.108 0.892 25 C -0.190 4.190 26 N -0.581 5.581 27 Si 0.713 3.287 28 H -0.209 1.209 29 H -0.217 1.217 30 H -0.203 1.203 31 H 0.088 0.912 32 H 0.081 0.919 33 H 0.084 0.916 34 H 0.070 0.930 35 H 0.065 0.935 36 H 0.103 0.897 37 H 0.100 0.900 38 H 0.095 0.905 39 H 0.092 0.908 40 H 0.093 0.907 41 H 0.101 0.899 42 H 0.105 0.895 43 H 0.071 0.929 44 H 0.071 0.929 45 H 0.109 0.891 46 H 0.101 0.899 47 H 0.108 0.892 48 H 0.112 0.888 49 H 0.085 0.915 50 H 0.046 0.954 51 H 0.050 0.950 52 H 0.194 0.806 53 H 0.070 0.930 Dipole moment (debyes) X Y Z Total from point charges -5.293 -12.982 24.859 28.540 hybrid contribution 0.128 1.112 0.086 1.123 sum -5.165 -11.870 24.945 28.104 Atomic orbital electron populations 1.21740 0.93685 1.02171 1.03280 1.22558 0.95699 0.83818 1.00130 1.87967 1.19724 1.26398 1.94691 1.23132 0.81464 0.98997 0.93935 0.90078 1.23091 0.85118 0.97977 0.98175 1.48714 1.09661 1.41302 1.35514 1.20289 0.81322 0.83687 0.82562 1.90749 1.33323 1.49222 1.67425 1.20406 0.98022 0.99008 0.94495 0.88615 1.20513 0.95520 1.00141 0.98746 1.21932 1.02344 0.99261 0.95428 1.22358 0.81739 0.99284 0.98125 1.88259 1.20446 1.89688 1.33059 1.22263 0.95066 0.96513 0.87156 1.22176 0.99576 0.99950 0.97646 1.22204 0.99777 0.91942 0.87409 1.22463 0.97528 0.96757 0.96127 0.88331 1.20655 0.97058 0.89979 0.88202 1.42682 1.80602 1.02937 1.13780 1.19017 1.35690 0.95303 0.87491 0.89234 1.24662 1.01046 0.97305 0.95967 1.69699 1.50340 1.27026 1.11062 0.86569 0.77987 0.85085 0.79068 1.20907 1.21652 1.20268 0.91194 0.91948 0.91584 0.92970 0.93535 0.89733 0.90013 0.90486 0.90850 0.90674 0.89940 0.89488 0.92949 0.92950 0.89132 0.89911 0.89220 0.88773 0.91491 0.95433 0.94972 0.80590 0.93019 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 -1.15 10.28 37.16 0.38 -0.77 16 2 C 0.05 0.47 6.49 37.16 0.24 0.71 16 3 O -0.37 -4.26 10.08 -35.23 -0.36 -4.61 16 4 C 0.08 0.97 3.11 -24.86 -0.08 0.89 16 5 H 0.08 0.90 7.55 -51.93 -0.39 0.51 16 6 C 0.08 0.76 4.81 -1.98 -0.01 0.75 16 7 N -0.62 -7.85 3.26 -169.54 -0.55 -8.40 16 8 C 0.53 7.21 7.23 -10.98 -0.08 7.13 16 9 O -0.53 -9.55 16.14 5.56 0.09 -9.46 16 10 C -0.10 -0.91 1.45 -94.34 -0.14 -1.05 16 11 H 0.10 0.75 7.37 -51.93 -0.38 0.37 16 12 C -0.11 -1.03 3.89 -29.30 -0.11 -1.15 16 13 C -0.15 -1.06 5.61 -27.40 -0.15 -1.22 16 14 C 0.06 0.45 6.27 35.86 0.22 0.68 16 15 O -0.39 -3.54 10.88 -35.23 -0.38 -3.92 16 16 C 0.07 0.46 6.26 35.87 0.22 0.68 16 17 C -0.16 -1.19 4.50 -27.40 -0.12 -1.32 16 18 C 0.11 1.66 6.30 -2.98 -0.02 1.64 16 19 C -0.11 -1.62 2.83 -89.24 -0.25 -1.87 16 20 H 0.10 1.51 8.07 -51.93 -0.42 1.09 16 21 C 0.17 3.20 5.35 -4.04 -0.02 3.18 16 22 N -0.75 -17.95 5.13 -59.90 -0.31 -18.26 16 23 C -0.25 -7.02 10.47 -15.06 -0.16 -7.18 16 24 H 0.09 2.74 8.06 -52.49 -0.42 2.31 16 25 C 0.01 0.18 5.50 -17.43 -0.10 0.09 16 26 N -0.93 -29.70 13.97 55.49 0.78 -28.92 16 27 Si 0.88 22.47 27.74 -169.99 -4.71 17.76 16 28 H -0.28 -7.21 7.11 56.52 0.40 -6.81 16 29 H -0.29 -7.45 7.11 56.52 0.40 -7.05 16 30 H -0.28 -6.57 6.52 56.52 0.37 -6.20 16 31 H 0.07 0.40 8.14 -51.93 -0.42 -0.02 16 32 H 0.06 0.46 8.14 -51.93 -0.42 0.04 16 33 H 0.07 0.57 8.14 -51.93 -0.42 0.15 16 34 H 0.05 0.45 8.11 -51.93 -0.42 0.03 16 35 H 0.05 0.32 8.14 -51.92 -0.42 -0.11 16 36 H 0.08 0.75 7.75 -51.93 -0.40 0.35 16 37 H 0.08 0.57 6.72 -51.93 -0.35 0.22 16 38 H 0.08 0.81 7.93 -51.93 -0.41 0.40 16 39 H 0.07 0.76 7.46 -51.92 -0.39 0.37 16 40 H 0.07 0.51 7.15 -51.92 -0.37 0.14 16 41 H 0.08 0.49 8.14 -51.93 -0.42 0.06 16 42 H 0.09 0.53 8.14 -51.93 -0.42 0.11 16 43 H 0.05 0.40 6.66 -51.93 -0.35 0.05 16 44 H 0.05 0.32 6.67 -51.93 -0.35 -0.03 16 45 H 0.09 0.52 8.14 -51.92 -0.42 0.09 16 46 H 0.08 0.71 7.15 -51.93 -0.37 0.34 16 47 H 0.09 0.64 4.96 -51.93 -0.26 0.38 16 48 H 0.09 1.75 7.48 -51.93 -0.39 1.36 16 49 H 0.07 0.99 8.14 -51.93 -0.42 0.56 16 50 H 0.03 0.54 8.14 -51.93 -0.42 0.12 16 51 H 0.03 0.63 8.14 -51.93 -0.42 0.20 16 52 H 0.36 8.41 5.37 -40.82 -0.22 8.19 16 53 H 0.26 7.86 8.31 -40.82 -0.34 7.52 16 LS Contribution 402.49 15.07 6.07 6.07 Total: -1.00 -34.94 402.49 -8.84 -43.78 By element: Atomic # 1 Polarization: 14.05 SS G_CDS: -9.28 Total: 4.76 kcal Atomic # 6 Polarization: 1.38 SS G_CDS: -0.17 Total: 1.21 kcal Atomic # 7 Polarization: -55.50 SS G_CDS: -0.09 Total: -55.58 kcal Atomic # 8 Polarization: -17.34 SS G_CDS: -0.65 Total: -17.99 kcal Atomic # 14 Polarization: 22.47 SS G_CDS: -4.71 Total: 17.76 kcal Total LS contribution 6.07 Total: 6.07 kcal Total: -34.94 -8.84 -43.78 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. ZINC001479534634.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 -66.089 kcal (2) G-P(sol) polarization free energy of solvation -34.940 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -101.030 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.836 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.777 kcal (6) G-S(sol) free energy of system = (1) + (5) -109.866 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.73 seconds