Wall clock time and date at job start Wed Apr 1 2020 02:47:58 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 1.52993 * 1 3 3 C 1.53005 * 109.47254 * 2 1 4 4 C 1.53008 * 109.47313 * 119.99917 * 2 1 3 5 5 O 1.42894 * 109.46577 * 65.00146 * 4 2 1 6 6 C 1.42904 * 113.99616 * 180.02562 * 5 4 2 7 7 C 1.53003 * 109.47219 * 180.02562 * 6 5 4 8 8 N 1.46897 * 109.47395 * 64.99431 * 7 6 5 9 9 C 1.48538 * 111.00123 * 307.40108 * 8 7 6 10 10 C 1.54933 * 103.22579 * 200.28130 * 9 8 7 11 11 C 1.54593 * 102.92591 * 37.41127 * 10 9 8 12 12 H 1.09004 * 110.30922 * 219.12663 * 11 10 9 13 13 N 1.46497 * 110.31135 * 96.96077 * 11 10 9 14 14 C 1.34778 * 120.00215 * 89.27981 * 13 11 10 15 15 O 1.21284 * 119.99713 * 0.02562 * 14 13 11 16 16 C 1.50700 * 119.99988 * 180.02562 * 14 13 11 17 17 S 1.81006 * 109.46793 * 180.02562 * 16 14 13 18 18 C 1.76205 * 99.99619 * 180.02562 * 17 16 14 19 19 H 1.07999 * 120.00338 * 0.02562 * 18 17 16 20 20 C 1.38802 * 119.99619 * 179.97438 * 18 17 16 21 21 N 1.31622 * 120.00187 * 0.02562 * 20 18 17 22 22 Si 1.86800 * 119.99666 * 180.02562 * 20 18 17 23 23 H 1.48501 * 109.47335 * 59.99922 * 22 20 18 24 24 H 1.48499 * 109.47116 * 180.02562 * 22 20 18 25 25 H 1.48505 * 109.47271 * 299.99831 * 22 20 18 26 26 C 1.47899 * 111.00068 * 190.00265 * 8 7 6 27 27 H 1.09000 * 110.08580 * 26.40119 * 26 8 7 28 28 C 1.53001 * 109.92079 * 265.19639 * 26 8 7 29 29 H 1.08998 * 109.47235 * 59.99596 * 1 2 3 30 30 H 1.09002 * 109.47066 * 180.02562 * 1 2 3 31 31 H 1.09003 * 109.47332 * 299.99726 * 1 2 3 32 32 H 1.08994 * 109.47462 * 240.00037 * 2 1 3 33 33 H 1.08996 * 109.47600 * 179.97438 * 3 2 1 34 34 H 1.08998 * 109.47329 * 300.00346 * 3 2 1 35 35 H 1.09003 * 109.46728 * 59.99904 * 3 2 1 36 36 H 1.08997 * 109.46957 * 305.00359 * 4 2 1 37 37 H 1.08999 * 109.46812 * 185.00209 * 4 2 1 38 38 H 1.08997 * 109.47492 * 59.99922 * 6 5 4 39 39 H 1.09006 * 109.47103 * 299.99258 * 6 5 4 40 40 H 1.09002 * 109.46752 * 304.99873 * 7 6 5 41 41 H 1.09000 * 109.47068 * 184.99876 * 7 6 5 42 42 H 1.09007 * 110.66246 * 318.71191 * 9 8 7 43 43 H 1.08993 * 110.66671 * 81.67342 * 9 8 7 44 44 H 1.09007 * 110.72333 * 279.05054 * 10 9 8 45 45 H 1.09004 * 110.72411 * 155.77248 * 10 9 8 46 46 H 0.97006 * 120.00292 * 269.28845 * 13 11 10 47 47 H 1.08996 * 109.47330 * 300.00320 * 16 14 13 48 48 H 1.09002 * 109.47145 * 60.00811 * 16 14 13 49 49 H 0.97003 * 120.00440 * 179.97438 * 21 20 18 50 50 H 1.09000 * 109.47210 * 302.41472 * 28 26 8 51 51 H 1.09007 * 109.46611 * 62.40887 * 28 26 8 52 52 H 1.08990 * 109.47328 * 182.40893 * 28 26 8 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 1.5299 0.0000 0.0000 3 6 2.0400 1.4425 0.0000 4 6 2.0400 -0.7213 1.2493 5 8 1.6620 -2.0981 1.1920 6 6 2.0914 -2.8660 2.3180 7 6 1.6345 -4.3166 2.1503 8 7 2.3128 -4.9128 0.9917 9 6 2.1413 -4.0684 -0.2182 10 6 2.4266 -5.0524 -1.3805 11 6 1.7966 -6.3720 -0.8790 12 1 2.4267 -7.2191 -1.1503 13 7 0.4522 -6.5379 -1.4366 14 6 0.2851 -7.1650 -2.6178 15 8 1.2479 -7.5925 -3.2189 16 6 -1.0979 -7.3351 -3.1917 17 16 -0.9916 -8.2095 -4.7729 18 6 -2.6988 -8.2680 -5.2055 19 1 -3.4374 -7.8322 -4.5491 20 6 -3.0941 -8.8732 -6.3904 21 7 -2.1938 -9.4039 -7.1906 22 14 -4.9038 -8.9345 -6.8494 23 1 -5.4339 -7.5517 -6.9586 24 1 -5.0608 -9.6297 -8.1522 25 1 -5.6554 -9.6716 -5.8019 26 6 1.7260 -6.2274 0.6526 27 1 0.6879 -6.2701 0.9820 28 6 2.5305 -7.3450 1.3193 29 1 -0.3633 0.5139 -0.8899 30 1 -0.3633 -1.0277 0.0005 31 1 -0.3634 0.5138 0.8900 32 1 1.8933 -0.5138 -0.8899 33 1 3.1299 1.4426 0.0005 34 1 1.6766 1.9564 -0.8899 35 1 1.6766 1.9563 0.8900 36 1 1.6053 -0.2618 2.1370 37 1 3.1263 -0.6443 1.2951 38 1 1.6575 -2.4510 3.2277 39 1 3.1788 -2.8337 2.3865 40 1 0.5563 -4.3419 1.9926 41 1 1.8839 -4.8822 3.0481 42 1 1.1222 -3.6862 -0.2792 43 1 2.8592 -3.2483 -0.2200 44 1 3.4997 -5.1702 -1.5316 45 1 1.9415 -4.7174 -2.2974 46 1 -0.3180 -6.1962 -0.9558 47 1 -1.7106 -7.9115 -2.4986 48 1 -1.5496 -6.3554 -3.3476 49 1 -2.4700 -9.8272 -8.0186 50 1 3.5710 -7.2838 1.0003 51 1 2.4756 -7.2357 2.4025 52 1 2.1181 -8.3116 1.0303 RHF calculation, no. of doubly occupied orbitals= 64 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC001692141731.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 02:47:58 Heat of formation + Delta-G solvation = -93.058248 kcal Electronic energy + Delta-G solvation = -28439.406806 eV Core-core repulsion = 24564.706058 eV Total energy + Delta-G solvation = -3874.700748 eV No. of doubly occupied orbitals = 64 Molecular weight (most abundant/longest-lived isotopes) = 344.192 amu Computer time = 0.73 seconds Orbital eigenvalues (eV) -40.22110 -38.91522 -38.01707 -35.58228 -34.10785 -32.41531 -31.87316 -31.41409 -29.31696 -27.79566 -27.48097 -26.09983 -25.52579 -25.04532 -22.82978 -21.44659 -20.56092 -20.44638 -19.80612 -17.79013 -17.20914 -16.89750 -16.44752 -16.22329 -15.66725 -15.21911 -14.89943 -14.78977 -14.72938 -14.45358 -14.26408 -13.86631 -13.52913 -13.33561 -13.24053 -13.16757 -12.94616 -12.62942 -12.55847 -12.39091 -12.33388 -12.09819 -11.90939 -11.56792 -11.43964 -11.35376 -11.22233 -11.19626 -11.06772 -11.03123 -11.02705 -10.86520 -10.75171 -10.72855 -9.85816 -9.80696 -9.36041 -9.04871 -8.83202 -8.61632 -8.22026 -6.48098 -6.20015 -3.90441 3.04220 3.12170 3.24388 3.28247 3.28584 3.31681 3.62950 3.87196 4.21982 4.37256 4.46070 4.49541 4.56834 4.73739 4.87562 4.90263 4.96601 5.02284 5.06918 5.12416 5.14923 5.15669 5.18564 5.24496 5.27720 5.34694 5.38693 5.44467 5.46425 5.51974 5.58742 5.61692 5.65808 5.73250 5.74715 5.84114 5.90870 5.92350 6.01009 6.02977 6.08513 6.13155 6.15548 6.17688 6.55710 6.81482 6.84822 6.88102 7.60625 7.74000 8.36469 8.65453 9.25055 10.87334 Molecular weight = 344.19amu Principal moments of inertia in cm(-1) A = 0.011627 B = 0.002259 C = 0.002003 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2407.620645 B =12391.204062 C =13974.120210 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 -0.096 4.096 3 C -0.146 4.146 4 C 0.066 3.934 5 O -0.380 6.380 6 C 0.063 3.937 7 C 0.049 3.951 8 N -0.512 5.512 9 C 0.053 3.947 10 C -0.139 4.139 11 C 0.140 3.860 12 H 0.099 0.901 13 N -0.733 5.733 14 C 0.533 3.467 15 O -0.516 6.516 16 C -0.153 4.153 17 S -0.059 6.059 18 C -0.536 4.536 19 H 0.072 0.928 20 C 0.074 3.926 21 N -0.868 5.868 22 Si 0.918 3.082 23 H -0.274 1.274 24 H -0.283 1.283 25 H -0.274 1.274 26 C 0.057 3.943 27 H 0.058 0.942 28 C -0.133 4.133 29 H 0.054 0.946 30 H 0.062 0.938 31 H 0.050 0.950 32 H 0.080 0.920 33 H 0.055 0.945 34 H 0.062 0.938 35 H 0.054 0.946 36 H 0.045 0.955 37 H 0.047 0.953 38 H 0.051 0.949 39 H 0.058 0.942 40 H 0.043 0.957 41 H 0.088 0.912 42 H 0.054 0.946 43 H 0.085 0.915 44 H 0.078 0.922 45 H 0.077 0.923 46 H 0.395 0.605 47 H 0.088 0.912 48 H 0.088 0.912 49 H 0.269 0.731 50 H 0.065 0.935 51 H 0.054 0.946 52 H 0.060 0.940 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 8.925 17.993 22.912 30.470 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 -0.201 4.201 2 C -0.114 4.114 3 C -0.204 4.204 4 C -0.011 4.011 5 O -0.299 6.299 6 C -0.014 4.014 7 C -0.079 4.079 8 N -0.237 5.237 9 C -0.074 4.074 10 C -0.178 4.178 11 C 0.034 3.966 12 H 0.117 0.883 13 N -0.387 5.387 14 C 0.319 3.681 15 O -0.390 6.390 16 C -0.304 4.304 17 S 0.168 5.832 18 C -0.684 4.684 19 H 0.090 0.910 20 C -0.136 4.136 21 N -0.503 5.503 22 Si 0.745 3.255 23 H -0.200 1.200 24 H -0.208 1.208 25 H -0.200 1.200 26 C -0.052 4.052 27 H 0.076 0.924 28 C -0.191 4.191 29 H 0.073 0.927 30 H 0.081 0.919 31 H 0.069 0.931 32 H 0.098 0.902 33 H 0.075 0.925 34 H 0.081 0.919 35 H 0.073 0.927 36 H 0.063 0.937 37 H 0.065 0.935 38 H 0.070 0.930 39 H 0.076 0.924 40 H 0.062 0.938 41 H 0.106 0.894 42 H 0.072 0.928 43 H 0.104 0.896 44 H 0.096 0.904 45 H 0.095 0.905 46 H 0.229 0.771 47 H 0.107 0.893 48 H 0.107 0.893 49 H 0.079 0.921 50 H 0.084 0.916 51 H 0.073 0.927 52 H 0.079 0.921 Dipole moment (debyes) X Y Z Total from point charges 11.017 17.046 21.731 29.735 hybrid contribution -3.427 0.897 0.779 3.627 sum 7.590 17.943 22.509 29.770 Atomic orbital electron populations 1.21775 0.94533 1.02439 1.01350 1.21099 0.96781 0.95580 0.97949 1.21788 1.01037 0.95331 1.02211 1.22553 0.98335 0.82263 0.97943 1.88044 1.79035 1.19963 1.42882 1.22492 0.99256 0.90974 0.88709 1.22337 0.97038 0.93113 0.95417 1.64856 1.52194 1.02216 1.04435 1.23242 1.01211 0.95125 0.87799 1.23015 1.01580 0.94815 0.98420 1.21751 0.84614 0.99173 0.91020 0.88274 1.46158 1.08393 1.61090 1.23030 1.20297 0.91206 0.76500 0.80062 1.90701 1.41817 1.47532 1.58903 1.23536 0.95823 1.05502 1.05546 1.85391 1.11057 1.72186 1.14613 1.22829 0.92292 1.43968 1.09331 0.91026 1.24987 0.98734 0.94609 0.95246 1.70004 1.33496 1.35226 1.11555 0.86231 0.83058 0.78433 0.77812 1.19953 1.20808 1.19958 1.22657 0.97389 0.90886 0.94229 0.92436 1.21718 1.00806 0.96562 0.99999 0.92717 0.91880 0.93128 0.90209 0.92545 0.91939 0.92665 0.93690 0.93478 0.93045 0.92392 0.93843 0.89372 0.92787 0.89637 0.90351 0.90481 0.77135 0.89328 0.89325 0.92135 0.91589 0.92680 0.92103 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 -1.06 9.09 37.15 0.34 -0.73 16 2 C -0.10 -0.67 3.16 -90.62 -0.29 -0.95 16 3 C -0.15 -0.82 9.19 37.16 0.34 -0.47 16 4 C 0.07 0.45 5.32 37.16 0.20 0.65 16 5 O -0.38 -3.18 6.16 -35.23 -0.22 -3.39 16 6 C 0.06 0.44 5.99 37.16 0.22 0.66 16 7 C 0.05 0.38 5.60 -3.82 -0.02 0.36 16 8 N -0.51 -4.86 5.03 -222.57 -1.12 -5.98 16 9 C 0.05 0.55 4.69 -1.90 -0.01 0.55 16 10 C -0.14 -1.70 6.78 -24.87 -0.17 -1.87 16 11 C 0.14 1.78 2.98 -66.58 -0.20 1.58 16 12 H 0.10 1.46 7.10 -51.93 -0.37 1.09 16 13 N -0.73 -10.18 5.06 -52.49 -0.27 -10.44 16 14 C 0.53 10.08 7.85 -10.98 -0.09 10.00 16 15 O -0.52 -11.80 15.51 5.55 0.09 -11.72 16 16 C -0.15 -3.14 6.16 36.01 0.22 -2.92 16 17 S -0.06 -1.62 20.57 -107.50 -2.21 -3.83 16 18 C -0.54 -15.39 9.50 30.94 0.29 -15.09 16 19 H 0.07 1.94 7.80 -52.49 -0.41 1.53 16 20 C 0.07 2.11 5.49 -17.43 -0.10 2.02 16 21 N -0.87 -26.33 13.22 55.49 0.73 -25.59 16 22 Si 0.92 21.54 29.55 -169.99 -5.02 16.52 16 23 H -0.27 -6.27 7.11 56.52 0.40 -5.87 16 24 H -0.28 -6.51 7.11 56.52 0.40 -6.11 16 25 H -0.27 -6.27 7.11 56.52 0.40 -5.87 16 26 C 0.06 0.57 2.86 -66.64 -0.19 0.38 16 27 H 0.06 0.56 7.07 -51.93 -0.37 0.19 16 28 C -0.13 -1.22 9.32 37.16 0.35 -0.88 16 29 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 30 H 0.06 0.55 7.82 -51.93 -0.41 0.14 16 31 H 0.05 0.34 8.14 -51.93 -0.42 -0.08 16 32 H 0.08 0.64 8.14 -51.93 -0.42 0.22 16 33 H 0.06 0.29 8.14 -51.93 -0.42 -0.13 16 34 H 0.06 0.34 8.14 -51.93 -0.42 -0.08 16 35 H 0.05 0.28 8.14 -51.93 -0.42 -0.14 16 36 H 0.04 0.28 8.14 -51.93 -0.42 -0.14 16 37 H 0.05 0.30 8.14 -51.93 -0.42 -0.12 16 38 H 0.05 0.30 8.14 -51.93 -0.42 -0.13 16 39 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 40 H 0.04 0.36 7.82 -51.93 -0.41 -0.05 16 41 H 0.09 0.57 8.14 -51.93 -0.42 0.15 16 42 H 0.05 0.61 7.19 -51.93 -0.37 0.23 16 43 H 0.09 0.90 7.05 -51.93 -0.37 0.53 16 44 H 0.08 0.94 8.14 -51.92 -0.42 0.52 16 45 H 0.08 1.07 8.05 -51.93 -0.42 0.65 16 46 H 0.39 4.50 8.34 -40.82 -0.34 4.16 16 47 H 0.09 1.68 8.14 -51.92 -0.42 1.25 16 48 H 0.09 1.69 8.14 -51.92 -0.42 1.26 16 49 H 0.27 7.59 8.31 -40.82 -0.34 7.25 16 50 H 0.07 0.63 8.14 -51.93 -0.42 0.21 16 51 H 0.05 0.44 8.14 -51.93 -0.42 0.02 16 52 H 0.06 0.58 8.14 -51.93 -0.42 0.16 16 LS Contribution 425.36 15.07 6.41 6.41 Total: -1.00 -33.46 425.36 -10.48 -43.94 By element: Atomic # 1 Polarization: 10.57 SS G_CDS: -9.78 Total: 0.79 kcal Atomic # 6 Polarization: -7.61 SS G_CDS: 0.91 Total: -6.71 kcal Atomic # 7 Polarization: -41.36 SS G_CDS: -0.65 Total: -42.01 kcal Atomic # 8 Polarization: -14.98 SS G_CDS: -0.13 Total: -15.11 kcal Atomic # 14 Polarization: 21.54 SS G_CDS: -5.02 Total: 16.52 kcal Atomic # 16 Polarization: -1.62 SS G_CDS: -2.21 Total: -3.83 kcal Total LS contribution 6.41 Total: 6.41 kcal Total: -33.46 -10.48 -43.94 kcal The number of atoms in the molecule is 52 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. ZINC001692141731.mol2 52 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 -49.116 kcal (2) G-P(sol) polarization free energy of solvation -33.464 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -82.580 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.479 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.942 kcal (6) G-S(sol) free energy of system = (1) + (5) -93.058 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.73 seconds