Wall clock time and date at job start Sat Apr 11 2020 06:11:02 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 1.52999 * 1 3 3 C 1.53005 * 109.46890 * 2 1 4 4 H 1.08992 * 109.47155 * 180.47036 * 3 2 1 5 5 C 1.50697 * 109.46983 * 60.47185 * 3 2 1 6 6 O 1.21281 * 120.00194 * 240.00239 * 5 3 2 7 7 N 1.34782 * 120.00011 * 59.99737 * 5 3 2 8 8 C 1.47744 * 125.82198 * 359.91086 * 7 5 3 9 9 C 1.54905 * 104.84412 * 155.82431 * 8 7 5 10 10 C 1.55158 * 101.57983 * 37.09382 * 9 8 7 11 11 O 1.42902 * 110.71900 * 82.86294 * 10 9 8 12 12 C 1.50692 * 110.72233 * 206.13349 * 10 9 8 13 13 H 1.08007 * 120.00606 * 113.51978 * 12 10 9 14 14 C 1.37884 * 120.00190 * 293.52281 * 12 10 9 15 15 N 1.31513 * 119.99898 * 0.02562 * 14 12 10 16 16 Si 1.86801 * 120.00162 * 179.97438 * 14 12 10 17 17 H 1.48500 * 109.47011 * 90.00255 * 16 14 12 18 18 H 1.48499 * 109.47108 * 210.00506 * 16 14 12 19 19 H 1.48497 * 109.47141 * 330.00103 * 16 14 12 20 20 C 1.47018 * 125.65030 * 179.97438 * 7 5 3 21 21 N 1.46895 * 109.47152 * 300.47468 * 3 2 1 22 22 C 1.47013 * 111.00084 * 312.70883 * 21 3 2 23 23 C 1.53102 * 109.25807 * 177.61035 * 22 21 3 24 24 O 1.43010 * 109.26144 * 56.85123 * 23 22 21 25 25 C 1.43021 * 113.73520 * 301.32913 * 24 23 22 26 26 H 1.09003 * 109.54434 * 298.71350 * 25 24 23 27 27 C 1.52998 * 109.50532 * 178.60682 * 25 24 23 28 28 C 1.52997 * 109.47302 * 65.21545 * 27 25 24 29 29 C 1.47016 * 111.00041 * 189.07282 * 21 3 2 30 30 H 1.08996 * 109.47559 * 63.88988 * 1 2 3 31 31 H 1.09003 * 109.46790 * 183.89380 * 1 2 3 32 32 H 1.09003 * 109.47283 * 303.89131 * 1 2 3 33 33 H 1.09001 * 109.46994 * 240.00732 * 2 1 3 34 34 H 1.08994 * 109.47501 * 119.99972 * 2 1 3 35 35 H 1.09008 * 110.28987 * 37.02150 * 8 7 5 36 36 H 1.08999 * 110.53050 * 274.75313 * 8 7 5 37 37 H 1.08999 * 111.00545 * 279.02228 * 9 8 7 38 38 H 1.08995 * 111.04115 * 155.17900 * 9 8 7 39 39 H 0.96693 * 114.00604 * 66.47329 * 11 10 9 40 40 H 0.96999 * 120.00249 * 179.97438 * 15 14 12 41 41 H 1.09003 * 109.88148 * 61.61149 * 20 7 5 42 42 H 1.09004 * 109.88494 * 300.60478 * 20 7 5 43 43 H 1.08997 * 109.51023 * 297.54066 * 22 21 3 44 44 H 1.08999 * 109.50422 * 57.67748 * 22 21 3 45 45 H 1.09005 * 109.50585 * 296.90971 * 23 22 21 46 46 H 1.09003 * 109.54306 * 176.80811 * 23 22 21 47 47 H 1.09002 * 109.47258 * 185.21985 * 27 25 24 48 48 H 1.09002 * 109.47236 * 305.21463 * 27 25 24 49 49 H 1.09003 * 109.47284 * 60.00286 * 28 27 25 50 50 H 1.09000 * 109.47174 * 180.02562 * 28 27 25 51 51 H 1.08997 * 109.47454 * 299.99667 * 28 27 25 52 52 H 1.08995 * 109.51254 * 302.32935 * 29 21 3 53 53 H 1.09008 * 109.50189 * 62.41878 * 29 21 3 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 2.0399 1.4426 0.0000 4 1 3.1298 1.4426 -0.0084 5 6 1.5472 2.1495 1.2363 6 8 0.8490 3.1358 1.1332 7 7 1.8822 1.6856 2.4566 8 6 2.7200 0.5000 2.7309 9 6 3.3059 0.7463 4.1435 10 6 2.1120 1.4297 4.8611 11 8 1.1884 0.4536 5.3473 12 6 2.5977 2.3113 5.9826 13 1 2.4716 3.3822 5.9211 14 6 3.2031 1.7509 7.0874 15 7 3.3571 0.4469 7.1621 16 14 3.8058 2.8438 8.4772 17 1 2.7188 3.0231 9.4729 18 1 4.9779 2.2099 9.1327 19 1 4.2000 4.1672 7.9309 20 6 1.4731 2.2756 3.7396 21 7 1.5409 2.1383 -1.1936 22 6 1.7405 1.3231 -2.4006 23 6 1.1542 2.0581 -3.6090 24 8 1.7644 3.3467 -3.7191 25 6 1.5890 4.1676 -2.5611 26 1 0.5261 4.3463 -2.3984 27 6 2.3058 5.5033 -2.7684 28 6 1.6337 6.2713 -3.9082 29 6 2.1797 3.4541 -1.3421 30 1 -0.3634 0.4522 -0.9227 31 1 -0.3633 -1.0253 0.0698 32 1 -0.3634 0.5731 0.8531 33 1 1.8933 -0.5137 -0.8901 34 1 1.8934 -0.5138 0.8899 35 1 3.5213 0.4250 1.9957 36 1 2.1140 -0.4060 2.7242 37 1 4.1676 1.4122 4.0984 38 1 3.5666 -0.1943 4.6286 39 1 1.5413 -0.1044 6.0537 40 1 3.7834 0.0527 7.9392 41 1 0.3871 2.2506 3.8295 42 1 1.8267 3.3047 3.8040 43 1 2.8067 1.1590 -2.5568 44 1 1.2378 0.3637 -2.2790 45 1 0.0784 2.1747 -3.4772 46 1 1.3496 1.4842 -4.5149 47 1 2.2508 6.0912 -1.8521 48 1 3.3503 5.3199 -3.0202 49 1 0.5891 6.4548 -3.6564 50 1 2.1446 7.2227 -4.0562 51 1 1.6887 5.6835 -4.8245 52 1 1.9977 4.0501 -0.4479 53 1 3.2531 3.3239 -1.4806 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 ZINC000592852957.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 06:11:02 Heat of formation + Delta-G solvation = -122.226102 kcal Electronic energy + Delta-G solvation = -32215.186860 eV Core-core repulsion = 28086.924480 eV Total energy + Delta-G solvation = -4128.262380 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.50625 -39.20386 -37.46949 -36.15323 -34.45314 -34.07128 -32.76341 -32.19141 -30.19843 -29.73273 -28.55262 -27.99307 -25.79636 -24.68250 -24.22060 -22.96426 -22.03883 -20.97137 -20.38689 -19.67950 -18.68170 -17.32318 -16.64770 -16.60593 -16.40305 -15.82733 -15.36447 -15.23137 -15.01823 -14.80516 -14.44697 -14.06550 -13.98998 -13.82786 -13.49543 -13.44455 -13.28364 -13.02653 -12.80688 -12.18713 -12.06095 -11.99779 -11.90576 -11.69512 -11.57051 -11.56395 -11.38149 -11.35254 -11.22437 -11.09625 -11.03367 -10.92989 -10.66342 -10.63498 -10.51475 -10.41336 -10.16010 -9.73145 -9.45360 -9.21274 -8.70661 -8.36082 -8.25542 -8.01287 -6.34041 -4.41123 3.04514 3.17302 3.23286 3.24997 3.29776 3.64434 3.84534 4.23170 4.58101 4.72922 4.81933 4.85871 4.91920 4.95045 5.01897 5.02524 5.06184 5.20484 5.23625 5.29234 5.36975 5.47254 5.54767 5.55815 5.60702 5.70163 5.71847 5.74114 5.80323 5.84124 5.85691 5.91727 5.93462 5.98628 6.04501 6.15824 6.16342 6.18588 6.42824 6.43919 6.65457 6.79348 6.86183 6.89697 6.97195 7.11649 7.25334 7.29262 7.69329 7.96111 8.09934 8.60262 8.66668 9.27416 9.41318 10.73775 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.017672 B = 0.002846 C = 0.002574 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1584.009619 B = 9837.331913 C =10874.296954 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 -0.126 4.126 3 C 0.073 3.927 4 H 0.062 0.938 5 C 0.532 3.468 6 O -0.537 6.537 7 N -0.608 5.608 8 C 0.096 3.904 9 C -0.138 4.138 10 C 0.249 3.751 11 O -0.586 6.586 12 C -0.535 4.535 13 H 0.065 0.935 14 C 0.072 3.928 15 N -0.898 5.898 16 Si 0.903 3.097 17 H -0.278 1.278 18 H -0.285 1.285 19 H -0.272 1.272 20 C 0.124 3.876 21 N -0.510 5.510 22 C 0.012 3.988 23 C 0.067 3.933 24 O -0.384 6.384 25 C 0.098 3.902 26 H 0.069 0.931 27 C -0.116 4.116 28 C -0.147 4.147 29 C 0.022 3.978 30 H 0.063 0.937 31 H 0.051 0.949 32 H 0.057 0.943 33 H 0.071 0.929 34 H 0.082 0.918 35 H 0.057 0.943 36 H 0.066 0.934 37 H 0.066 0.934 38 H 0.085 0.915 39 H 0.386 0.614 40 H 0.269 0.731 41 H 0.060 0.940 42 H 0.070 0.930 43 H 0.040 0.960 44 H 0.093 0.907 45 H 0.058 0.942 46 H 0.095 0.905 47 H 0.078 0.922 48 H 0.068 0.932 49 H 0.053 0.947 50 H 0.053 0.947 51 H 0.060 0.940 52 H 0.102 0.898 53 H 0.035 0.965 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -0.189 -0.338 -18.683 18.687 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 -0.164 4.164 3 C -0.039 4.039 4 H 0.080 0.920 5 C 0.319 3.681 6 O -0.414 6.414 7 N -0.342 5.342 8 C -0.027 4.027 9 C -0.177 4.177 10 C 0.209 3.791 11 O -0.397 6.397 12 C -0.573 4.573 13 H 0.083 0.917 14 C -0.130 4.130 15 N -0.538 5.538 16 Si 0.731 3.269 17 H -0.203 1.203 18 H -0.210 1.210 19 H -0.197 1.197 20 C 0.003 3.997 21 N -0.235 5.235 22 C -0.116 4.116 23 C -0.010 4.010 24 O -0.303 6.303 25 C 0.040 3.960 26 H 0.087 0.913 27 C -0.154 4.154 28 C -0.204 4.204 29 C -0.106 4.106 30 H 0.082 0.918 31 H 0.070 0.930 32 H 0.076 0.924 33 H 0.089 0.911 34 H 0.101 0.899 35 H 0.075 0.925 36 H 0.084 0.916 37 H 0.085 0.915 38 H 0.104 0.896 39 H 0.238 0.762 40 H 0.079 0.921 41 H 0.078 0.922 42 H 0.088 0.912 43 H 0.058 0.942 44 H 0.111 0.889 45 H 0.077 0.923 46 H 0.114 0.886 47 H 0.097 0.903 48 H 0.087 0.913 49 H 0.072 0.928 50 H 0.072 0.928 51 H 0.079 0.921 52 H 0.120 0.880 53 H 0.053 0.947 Dipole moment (debyes) X Y Z Total from point charges -1.301 0.489 -19.240 19.290 hybrid contribution 1.642 -0.156 1.477 2.214 sum 0.340 0.333 -17.764 17.770 Atomic orbital electron populations 1.21677 0.94318 1.01077 1.03037 1.21803 0.98034 0.93257 1.03257 1.21558 0.97840 0.94683 0.89820 0.91994 1.19796 0.80777 0.84469 0.83043 1.90633 1.38155 1.26572 1.86041 1.48668 1.50630 1.29351 1.05515 1.22603 0.93001 0.87996 0.99050 1.23332 0.99940 1.02519 0.91884 1.19411 0.84320 0.85836 0.89561 1.86099 1.43860 1.51342 1.58358 1.21549 1.38740 0.93936 1.03062 0.91727 1.24990 0.94475 0.95325 0.98240 1.69568 1.44071 1.09784 1.30372 0.86402 0.78342 0.80529 0.81646 1.20348 1.21034 1.19714 1.22045 0.99468 0.97143 0.81070 1.61837 1.57995 1.02765 1.00923 1.22939 0.99921 0.98130 0.90591 1.22603 0.97243 0.84027 0.97125 1.87940 1.77289 1.26136 1.38920 1.22179 0.99698 0.90103 0.84020 0.91321 1.21522 1.00060 0.93923 0.99886 1.21689 1.00380 0.99566 0.98790 1.22936 0.95871 0.91192 1.00600 0.91830 0.92999 0.92391 0.91077 0.89928 0.92463 0.91621 0.91516 0.89632 0.76205 0.92080 0.92159 0.91204 0.94150 0.88887 0.92349 0.88649 0.90317 0.91350 0.92812 0.92840 0.92101 0.87964 0.94663 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 -1.85 9.30 37.16 0.35 -1.50 16 2 C -0.13 -1.52 4.96 -26.73 -0.13 -1.65 16 3 C 0.07 1.03 1.58 -68.87 -0.11 0.92 16 4 H 0.06 0.84 7.81 -51.93 -0.41 0.44 16 5 C 0.53 9.69 5.62 -10.98 -0.06 9.63 16 6 O -0.54 -11.32 14.91 5.56 0.08 -11.24 16 7 N -0.61 -11.61 3.33 -170.26 -0.57 -12.18 16 8 C 0.10 1.66 5.14 -2.35 -0.01 1.65 16 9 C -0.14 -2.87 5.67 -24.58 -0.14 -3.01 16 10 C 0.25 5.87 0.86 -89.94 -0.08 5.79 16 11 O -0.59 -14.50 13.09 -35.23 -0.46 -14.96 16 12 C -0.53 -13.72 8.21 -34.44 -0.28 -14.00 16 13 H 0.06 1.67 7.53 -52.48 -0.40 1.28 16 14 C 0.07 1.81 5.28 -17.82 -0.09 1.72 16 15 N -0.90 -22.59 10.70 55.43 0.59 -22.00 16 16 Si 0.90 19.96 29.54 -169.99 -5.02 14.94 16 17 H -0.28 -6.18 7.11 56.52 0.40 -5.77 16 18 H -0.28 -6.23 7.11 56.52 0.40 -5.83 16 19 H -0.27 -6.02 7.11 56.52 0.40 -5.62 16 20 C 0.12 2.76 6.21 -3.07 -0.02 2.74 16 21 N -0.51 -6.86 3.69 -227.72 -0.84 -7.70 16 22 C 0.01 0.13 4.67 -3.71 -0.02 0.11 16 23 C 0.07 0.67 7.01 37.21 0.26 0.93 16 24 O -0.38 -4.61 10.02 -35.23 -0.35 -4.96 16 25 C 0.10 1.19 2.80 -26.68 -0.07 1.11 16 26 H 0.07 0.90 8.14 -51.93 -0.42 0.48 16 27 C -0.12 -1.20 5.64 -26.73 -0.15 -1.35 16 28 C -0.15 -1.35 9.81 37.16 0.36 -0.98 16 29 C 0.02 0.30 4.58 -3.71 -0.02 0.28 16 30 H 0.06 0.79 6.79 -51.93 -0.35 0.44 16 31 H 0.05 0.58 8.14 -51.93 -0.42 0.16 16 32 H 0.06 0.93 7.10 -51.93 -0.37 0.56 16 33 H 0.07 0.69 6.30 -51.93 -0.33 0.36 16 34 H 0.08 1.03 4.99 -51.93 -0.26 0.77 16 35 H 0.06 0.84 7.39 -51.92 -0.38 0.45 16 36 H 0.07 1.10 7.08 -51.93 -0.37 0.74 16 37 H 0.07 1.42 8.04 -51.93 -0.42 1.00 16 38 H 0.09 1.85 7.77 -51.93 -0.40 1.44 16 39 H 0.39 9.64 6.99 45.56 0.32 9.96 16 40 H 0.27 6.50 8.31 -40.82 -0.34 6.16 16 41 H 0.06 1.40 8.07 -51.93 -0.42 0.98 16 42 H 0.07 1.58 7.63 -51.93 -0.40 1.19 16 43 H 0.04 0.42 8.14 -51.93 -0.42 0.00 16 44 H 0.09 0.86 5.24 -51.93 -0.27 0.59 16 45 H 0.06 0.59 8.14 -51.93 -0.42 0.17 16 46 H 0.10 0.73 8.14 -51.93 -0.42 0.31 16 47 H 0.08 0.79 8.14 -51.93 -0.42 0.36 16 48 H 0.07 0.70 8.14 -51.93 -0.42 0.27 16 49 H 0.05 0.48 8.14 -51.93 -0.42 0.06 16 50 H 0.05 0.43 8.14 -51.93 -0.42 0.00 16 51 H 0.06 0.58 7.83 -51.93 -0.41 0.18 16 52 H 0.10 1.63 6.13 -51.93 -0.32 1.31 16 53 H 0.04 0.47 8.14 -51.92 -0.42 0.05 16 LS Contribution 396.36 15.07 5.97 5.97 Total: -1.00 -27.93 396.36 -9.35 -37.28 By element: Atomic # 1 Polarization: 21.02 SS G_CDS: -8.54 Total: 12.48 kcal Atomic # 6 Polarization: 2.58 SS G_CDS: -0.22 Total: 2.37 kcal Atomic # 7 Polarization: -41.07 SS G_CDS: -0.81 Total: -41.88 kcal Atomic # 8 Polarization: -30.43 SS G_CDS: -0.73 Total: -31.16 kcal Atomic # 14 Polarization: 19.96 SS G_CDS: -5.02 Total: 14.94 kcal Total LS contribution 5.97 Total: 5.97 kcal Total: -27.93 -9.35 -37.28 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. ZINC000592852957.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 -84.948 kcal (2) G-P(sol) polarization free energy of solvation -27.932 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -112.880 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.346 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -37.278 kcal (6) G-S(sol) free energy of system = (1) + (5) -122.226 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds