Wall clock time and date at job start Sat Apr 11 2020 06:10:46 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 1.52998 * 1 3 3 O 1.42903 * 109.47286 * 2 1 4 4 C 1.42900 * 114.00124 * 179.97438 * 3 2 1 5 5 H 1.08997 * 110.91488 * 26.09330 * 4 3 2 6 6 C 1.55123 * 111.16141 * 262.16741 * 4 3 2 7 7 N 1.47427 * 104.94305 * 205.13213 * 6 4 3 8 8 C 1.34771 * 125.64724 * 204.04195 * 7 6 4 9 9 O 1.21285 * 120.00015 * 179.97438 * 8 7 6 10 10 C 1.50700 * 120.00143 * 359.95339 * 8 7 6 11 11 C 1.53001 * 109.47216 * 180.02562 * 10 8 7 12 12 C 1.53173 * 109.54375 * 294.55564 * 11 10 8 13 13 C 1.53090 * 109.16469 * 183.15301 * 12 11 10 14 14 O 1.42901 * 109.41406 * 57.60797 * 13 12 11 15 15 C 1.42902 * 114.09737 * 298.83957 * 14 13 12 16 16 C 1.53091 * 109.41303 * 61.16376 * 15 14 13 17 17 C 1.47023 * 108.70238 * 23.99871 * 7 6 4 18 18 C 1.54321 * 107.27061 * 358.94570 * 17 7 6 19 19 H 1.09001 * 110.72319 * 96.34469 * 18 17 7 20 20 C 1.53001 * 110.71867 * 219.43871 * 18 17 7 21 21 N 1.46497 * 109.47393 * 291.15939 * 20 18 17 22 22 C 1.36935 * 120.00298 * 179.97438 * 21 20 18 23 23 H 1.08003 * 119.99995 * 359.97438 * 22 21 20 24 24 C 1.38809 * 120.00267 * 179.97438 * 22 21 20 25 25 N 1.31617 * 120.00268 * 0.02562 * 24 22 21 26 26 Si 1.86800 * 120.00127 * 179.97438 * 24 22 21 27 27 H 1.48503 * 109.46845 * 60.00531 * 26 24 22 28 28 H 1.48503 * 109.47399 * 180.02562 * 26 24 22 29 29 H 1.48498 * 109.47295 * 300.00628 * 26 24 22 30 30 H 1.09005 * 109.46740 * 60.00422 * 1 2 3 31 31 H 1.08998 * 109.47428 * 180.02562 * 1 2 3 32 32 H 1.09000 * 109.47025 * 300.00798 * 1 2 3 33 33 H 1.09001 * 109.47539 * 239.99317 * 2 1 3 34 34 H 1.09005 * 109.46740 * 119.99578 * 2 1 3 35 35 H 1.08998 * 110.42289 * 86.20122 * 6 4 3 36 36 H 1.08998 * 110.20726 * 323.95137 * 6 4 3 37 37 H 1.09006 * 109.47168 * 300.00282 * 10 8 7 38 38 H 1.09000 * 109.47115 * 60.00286 * 10 8 7 39 39 H 1.09002 * 109.54307 * 54.82493 * 11 10 8 40 40 H 1.08998 * 109.52258 * 303.06321 * 12 11 10 41 41 H 1.09003 * 109.52263 * 63.24750 * 12 11 10 42 42 H 1.09004 * 109.47784 * 297.62317 * 13 12 11 43 43 H 1.09003 * 109.48182 * 177.59060 * 13 12 11 44 44 H 1.08998 * 109.48601 * 301.17756 * 15 14 13 45 45 H 1.09008 * 109.47915 * 181.13857 * 15 14 13 46 46 H 1.09000 * 109.52058 * 182.48464 * 16 15 14 47 47 H 1.08996 * 109.52680 * 62.29210 * 16 15 14 48 48 H 1.08995 * 109.88273 * 239.52621 * 17 7 6 49 49 H 1.09006 * 109.88096 * 118.36004 * 17 7 6 50 50 H 1.09001 * 109.47183 * 171.15376 * 20 18 17 51 51 H 1.09004 * 109.47147 * 51.15785 * 20 18 17 52 52 H 0.96992 * 120.00013 * 359.97438 * 21 20 18 53 53 H 0.97000 * 119.99327 * 359.97438 * 25 24 22 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 2.0064 1.3473 0.0000 4 6 3.4309 1.4601 0.0006 5 1 3.8912 0.5792 -0.4469 6 6 3.9730 1.7011 1.4339 7 7 5.2626 2.3892 1.2419 8 6 6.2864 2.3977 2.1183 9 8 7.3057 2.9997 1.8543 10 6 6.1646 1.6597 3.4266 11 6 7.4558 1.8289 4.2298 12 6 8.6103 1.1413 3.4946 13 6 9.8804 1.2476 4.3427 14 8 9.6471 0.6584 5.6235 15 6 8.6099 1.2905 6.3763 16 6 7.2887 1.1858 5.6100 17 6 5.2472 3.0637 -0.0644 18 6 3.8866 2.7543 -0.7237 19 1 3.1793 3.5646 -0.5469 20 6 4.0563 2.5042 -2.2235 21 7 4.4270 3.7558 -2.8885 22 6 4.6341 3.7768 -4.2420 23 1 4.5247 2.8705 -4.8191 24 6 4.9848 4.9629 -4.8721 25 7 5.1187 6.0673 -4.1688 26 14 5.2681 4.9913 -6.7183 27 1 4.0276 4.5676 -7.4160 28 1 5.6296 6.3678 -7.1425 29 1 6.3728 4.0611 -7.0640 30 1 -0.3633 0.5138 -0.8901 31 1 -0.3634 -1.0276 0.0005 32 1 -0.3633 0.5140 0.8899 33 1 1.8934 -0.5139 -0.8899 34 1 1.8933 -0.5138 0.8901 35 1 4.1224 0.7519 1.9486 36 1 3.2853 2.3337 1.9951 37 1 5.3275 2.0644 3.9955 38 1 5.9935 0.6010 3.2319 39 1 7.6764 2.8900 4.3462 40 1 8.3662 0.0912 3.3344 41 1 8.7723 1.6293 2.5335 42 1 10.1467 2.2971 4.4685 43 1 10.6954 0.7229 3.8442 44 1 8.8595 2.3405 6.5287 45 1 8.5095 0.7965 7.3429 46 1 6.5055 1.7056 6.1617 47 1 7.0179 0.1366 5.4925 48 1 6.0562 2.6830 -0.6877 49 1 5.3566 4.1395 0.0726 50 1 3.1183 2.1359 -2.6389 51 1 4.8396 1.7629 -2.3819 52 1 4.5256 4.5697 -2.3702 53 1 4.9719 6.0524 -3.2101 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 ZINC001565945337.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 06:10:46 Heat of formation + Delta-G solvation = -127.106266 kcal Electronic energy + Delta-G solvation = -30636.976584 eV Core-core repulsion = 26508.502584 eV Total energy + Delta-G solvation = -4128.474000 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) -40.54750 -39.55673 -38.48614 -36.74904 -34.96702 -34.79152 -32.50733 -31.40756 -31.31740 -30.03833 -28.91861 -28.27231 -25.44348 -23.90393 -23.74315 -23.18651 -22.91980 -22.03951 -20.46023 -20.15763 -19.29474 -17.57471 -17.24713 -16.92988 -16.29072 -16.20123 -16.11674 -15.76453 -15.57072 -14.98633 -14.80466 -14.71639 -14.33855 -14.15413 -13.71073 -13.48813 -13.44184 -13.42419 -13.03986 -12.82028 -12.68007 -12.63849 -12.42484 -12.25363 -12.07638 -11.85647 -11.56236 -11.52232 -11.25141 -11.16271 -10.99757 -10.86294 -10.71356 -10.67201 -10.54028 -10.44819 -10.00626 -9.95078 -9.71497 -9.58257 -9.14768 -8.88967 -8.67095 -7.01424 -6.09415 -3.09733 2.56567 2.77708 3.51482 3.53121 3.56488 3.64141 3.73964 4.22483 4.33269 4.37993 4.46525 4.53359 4.68855 4.74104 4.80207 4.87837 4.88332 4.99121 5.01295 5.05547 5.09623 5.15670 5.18153 5.21228 5.24579 5.31234 5.37035 5.45246 5.51274 5.54257 5.56582 5.62474 5.63858 5.64265 5.73032 5.80711 5.82032 5.88517 5.95049 6.04335 6.09584 6.11667 6.17209 6.24359 6.59703 6.64413 6.95435 7.09974 7.43839 7.80200 8.10907 8.76586 9.22493 10.08908 10.23153 11.39090 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.009315 B = 0.002710 C = 0.002179 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3005.046601 B =10328.014719 C =12849.485386 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 -0.366 6.366 4 C 0.085 3.915 5 H 0.081 0.919 6 C 0.082 3.918 7 N -0.616 5.616 8 C 0.526 3.474 9 O -0.533 6.533 10 C -0.130 4.130 11 C -0.074 4.074 12 C -0.156 4.156 13 C 0.062 3.938 14 O -0.387 6.387 15 C 0.061 3.939 16 C -0.151 4.151 17 C 0.117 3.883 18 C -0.103 4.103 19 H 0.095 0.905 20 C 0.172 3.828 21 N -0.742 5.742 22 C -0.333 4.333 23 H 0.064 0.936 24 C -0.044 4.044 25 N -0.942 5.942 26 Si 1.080 2.920 27 H -0.295 1.295 28 H -0.285 1.285 29 H -0.295 1.295 30 H 0.065 0.935 31 H 0.069 0.931 32 H 0.062 0.938 33 H 0.051 0.949 34 H 0.046 0.954 35 H 0.075 0.925 36 H 0.079 0.921 37 H 0.093 0.907 38 H 0.092 0.908 39 H 0.081 0.919 40 H 0.065 0.935 41 H 0.094 0.906 42 H 0.051 0.949 43 H 0.093 0.907 44 H 0.050 0.950 45 H 0.092 0.908 46 H 0.073 0.927 47 H 0.072 0.928 48 H 0.078 0.922 49 H 0.073 0.927 50 H 0.028 0.972 51 H 0.021 0.979 52 H 0.367 0.633 53 H 0.255 0.745 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -2.186 -15.063 21.408 26.267 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 -0.285 6.285 4 C 0.025 3.975 5 H 0.099 0.901 6 C -0.042 4.042 7 N -0.352 5.352 8 C 0.315 3.685 9 O -0.409 6.409 10 C -0.170 4.170 11 C -0.093 4.093 12 C -0.194 4.194 13 C -0.015 4.015 14 O -0.306 6.306 15 C -0.015 4.015 16 C -0.189 4.189 17 C -0.004 4.004 18 C -0.122 4.122 19 H 0.113 0.887 20 C 0.044 3.956 21 N -0.388 5.388 22 C -0.464 4.464 23 H 0.082 0.918 24 C -0.242 4.242 25 N -0.588 5.588 26 Si 0.911 3.089 27 H -0.223 1.223 28 H -0.210 1.210 29 H -0.223 1.223 30 H 0.084 0.916 31 H 0.088 0.912 32 H 0.081 0.919 33 H 0.070 0.930 34 H 0.065 0.935 35 H 0.094 0.906 36 H 0.097 0.903 37 H 0.111 0.889 38 H 0.110 0.890 39 H 0.099 0.901 40 H 0.083 0.917 41 H 0.113 0.887 42 H 0.069 0.931 43 H 0.111 0.889 44 H 0.068 0.932 45 H 0.110 0.890 46 H 0.092 0.908 47 H 0.091 0.909 48 H 0.097 0.903 49 H 0.091 0.909 50 H 0.046 0.954 51 H 0.038 0.962 52 H 0.201 0.799 53 H 0.066 0.934 Dipole moment (debyes) X Y Z Total from point charges -1.214 -13.963 19.945 24.377 hybrid contribution -0.646 -0.828 1.308 1.677 sum -1.860 -14.791 21.253 25.960 Atomic orbital electron populations 1.21740 0.93654 1.02144 1.03335 1.22560 0.95742 0.83829 1.00072 1.87974 1.19533 1.26339 1.94609 1.23212 0.81582 0.99025 0.93640 0.90068 1.22753 0.85498 0.97407 0.98559 1.48448 1.15048 1.52301 1.19401 1.20330 0.81977 0.81205 0.85007 1.90702 1.28536 1.44294 1.77415 1.21717 1.00058 1.01467 0.93764 1.20957 0.93688 1.01015 0.93647 1.22367 0.94999 1.01117 1.00900 1.22592 0.97267 0.98186 0.83423 1.87912 1.55117 1.57885 1.29670 1.22538 0.86751 0.97675 0.94573 1.22268 0.98522 1.01957 0.96175 1.22040 0.97808 0.98084 0.82506 1.22588 0.95671 0.97108 0.96841 0.88690 1.20550 0.97472 0.90295 0.87292 1.42329 1.84888 1.05643 1.05948 1.19994 1.44916 0.97309 0.84170 0.91784 1.25786 0.99977 0.91712 1.06725 1.70882 1.52344 1.27827 1.07706 0.83241 0.75854 0.75656 0.74139 1.22259 1.20997 1.22266 0.91552 0.91194 0.91922 0.93029 0.93540 0.90640 0.90294 0.88893 0.89005 0.90094 0.91667 0.88718 0.93050 0.88905 0.93192 0.88989 0.90808 0.90946 0.90337 0.90874 0.95417 0.96172 0.79939 0.93380 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 -1.25 10.28 37.16 0.38 -0.87 16 2 C 0.05 0.52 6.49 37.16 0.24 0.76 16 3 O -0.37 -4.62 10.16 -35.23 -0.36 -4.98 16 4 C 0.08 1.06 3.00 -24.47 -0.07 0.98 16 5 H 0.08 0.96 7.74 -51.93 -0.40 0.56 16 6 C 0.08 0.86 6.44 -2.41 -0.02 0.85 16 7 N -0.62 -8.27 3.33 -170.39 -0.57 -8.84 16 8 C 0.53 7.12 7.59 -10.99 -0.08 7.04 16 9 O -0.53 -9.23 14.33 5.55 0.08 -9.15 16 10 C -0.13 -1.19 4.19 -27.88 -0.12 -1.31 16 11 C -0.07 -0.70 1.92 -90.44 -0.17 -0.87 16 12 C -0.16 -1.64 5.13 -26.59 -0.14 -1.78 16 13 C 0.06 0.61 6.84 37.20 0.25 0.87 16 14 O -0.39 -4.08 10.77 -35.23 -0.38 -4.46 16 15 C 0.06 0.49 6.84 37.20 0.25 0.74 16 16 C -0.15 -1.11 5.42 -26.59 -0.14 -1.25 16 17 C 0.12 1.92 6.27 -3.06 -0.02 1.90 16 18 C -0.10 -1.64 2.71 -88.79 -0.24 -1.88 16 19 H 0.09 1.61 8.14 -51.93 -0.42 1.19 16 20 C 0.17 3.45 5.59 -4.04 -0.02 3.42 16 21 N -0.74 -18.83 5.47 -59.91 -0.33 -19.16 16 22 C -0.33 -9.53 9.99 -15.06 -0.15 -9.68 16 23 H 0.06 1.80 7.83 -52.48 -0.41 1.39 16 24 C -0.04 -1.31 5.50 -17.43 -0.10 -1.40 16 25 N -0.94 -29.60 13.70 55.49 0.76 -28.84 16 26 Si 1.08 26.27 29.92 -169.99 -5.09 21.19 16 27 H -0.30 -6.83 7.11 56.52 0.40 -6.43 16 28 H -0.28 -7.02 7.11 56.52 0.40 -6.62 16 29 H -0.30 -6.86 7.11 56.52 0.40 -6.46 16 30 H 0.07 0.62 8.14 -51.93 -0.42 0.20 16 31 H 0.07 0.44 8.14 -51.93 -0.42 0.01 16 32 H 0.06 0.50 8.14 -51.93 -0.42 0.08 16 33 H 0.05 0.48 8.12 -51.93 -0.42 0.06 16 34 H 0.05 0.35 8.14 -51.93 -0.42 -0.07 16 35 H 0.08 0.60 7.47 -51.93 -0.39 0.21 16 36 H 0.08 0.80 8.14 -51.93 -0.42 0.38 16 37 H 0.09 0.69 8.14 -51.93 -0.42 0.27 16 38 H 0.09 0.70 7.85 -51.93 -0.41 0.29 16 39 H 0.08 0.88 7.95 -51.93 -0.41 0.47 16 40 H 0.06 0.65 8.14 -51.93 -0.42 0.23 16 41 H 0.09 1.22 6.07 -51.93 -0.32 0.91 16 42 H 0.05 0.50 8.14 -51.93 -0.42 0.08 16 43 H 0.09 0.83 8.14 -51.93 -0.42 0.40 16 44 H 0.05 0.38 8.14 -51.93 -0.42 -0.05 16 45 H 0.09 0.58 8.14 -51.92 -0.42 0.15 16 46 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 47 H 0.07 0.52 8.14 -51.93 -0.42 0.09 16 48 H 0.08 1.45 7.73 -51.93 -0.40 1.05 16 49 H 0.07 1.30 8.14 -51.93 -0.42 0.88 16 50 H 0.03 0.58 8.14 -51.93 -0.42 0.16 16 51 H 0.02 0.41 8.00 -51.93 -0.42 0.00 16 52 H 0.37 9.54 6.43 -40.82 -0.26 9.28 16 53 H 0.25 7.89 6.77 -40.82 -0.28 7.61 16 LS Contribution 415.43 15.07 6.26 6.26 Total: -1.00 -34.70 415.43 -9.43 -44.13 By element: Atomic # 1 Polarization: 16.00 SS G_CDS: -9.67 Total: 6.32 kcal Atomic # 6 Polarization: -2.34 SS G_CDS: -0.14 Total: -2.48 kcal Atomic # 7 Polarization: -56.70 SS G_CDS: -0.13 Total: -56.83 kcal Atomic # 8 Polarization: -17.93 SS G_CDS: -0.66 Total: -18.59 kcal Atomic # 14 Polarization: 26.27 SS G_CDS: -5.09 Total: 21.19 kcal Total LS contribution 6.26 Total: 6.26 kcal Total: -34.70 -9.43 -44.13 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. ZINC001565945337.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 -82.980 kcal (2) G-P(sol) polarization free energy of solvation -34.695 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -117.675 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.431 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.126 kcal (6) G-S(sol) free energy of system = (1) + (5) -127.106 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds