Wall clock time and date at job start Tue Mar 31 2020 13:43:36 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 1.52993 * 1 3 3 C 1.53009 * 109.47107 * 2 1 4 4 C 1.53001 * 109.47742 * 119.99976 * 2 1 3 5 5 N 1.46897 * 109.46866 * 65.29687 * 4 2 1 6 6 C 1.47845 * 111.00285 * 74.70327 * 5 4 2 7 7 C 1.55107 * 104.90865 * 146.23859 * 6 5 4 8 8 C 1.55132 * 101.55997 * 323.15819 * 7 6 5 9 9 H 1.08991 * 110.71134 * 276.96453 * 8 7 6 10 10 C 1.50704 * 110.70737 * 153.90430 * 8 7 6 11 11 O 1.21282 * 120.00010 * 243.80961 * 10 8 7 12 12 N 1.34777 * 119.99908 * 63.80382 * 10 8 7 13 13 C 1.46928 * 120.63128 * 180.02562 * 12 10 8 14 14 C 1.53194 * 108.77550 * 233.63544 * 13 12 10 15 15 C 1.53044 * 109.31091 * 305.36358 * 14 13 12 16 16 N 1.46503 * 109.45605 * 181.38217 * 15 14 13 17 17 C 1.36945 * 119.99364 * 154.97234 * 16 15 14 18 18 H 1.07999 * 119.99969 * 0.02562 * 17 16 15 19 19 C 1.38806 * 119.99542 * 179.72848 * 17 16 15 20 20 N 1.31617 * 120.00545 * 0.02562 * 19 17 16 21 21 Si 1.86800 * 119.99947 * 180.02562 * 19 17 16 22 22 H 1.48498 * 109.47125 * 359.97438 * 21 19 17 23 23 H 1.48505 * 109.47511 * 119.99871 * 21 19 17 24 24 H 1.48498 * 109.47439 * 239.99869 * 21 19 17 25 25 C 1.53043 * 109.52482 * 61.37614 * 15 14 13 26 26 C 1.46928 * 120.62918 * 0.02828 * 12 10 8 27 27 C 1.47448 * 111.00258 * 195.54416 * 5 4 2 28 28 H 1.09005 * 109.46976 * 299.99386 * 1 2 3 29 29 H 1.08992 * 109.47708 * 59.99841 * 1 2 3 30 30 H 1.09000 * 109.47142 * 180.02562 * 1 2 3 31 31 H 1.09000 * 109.47370 * 240.00351 * 2 1 3 32 32 H 1.08993 * 109.46673 * 60.38618 * 3 2 1 33 33 H 1.09000 * 109.47234 * 180.38484 * 3 2 1 34 34 H 1.08995 * 109.46709 * 300.38542 * 3 2 1 35 35 H 1.08996 * 109.46929 * 305.30117 * 4 2 1 36 36 H 1.08993 * 109.47268 * 185.29606 * 4 2 1 37 37 H 1.08999 * 110.37387 * 265.19492 * 6 5 4 38 38 H 1.09006 * 110.37095 * 27.52827 * 6 5 4 39 39 H 1.09007 * 111.14937 * 205.04609 * 7 6 5 40 40 H 1.09005 * 110.92371 * 81.17055 * 7 6 5 41 41 H 1.09003 * 109.58547 * 113.84842 * 13 12 10 42 42 H 1.09004 * 109.70190 * 353.48801 * 13 12 10 43 43 H 1.08996 * 109.49853 * 185.41356 * 14 13 12 44 44 H 1.08999 * 109.49949 * 65.31581 * 14 13 12 45 45 H 1.08996 * 109.46126 * 301.35870 * 15 14 13 46 46 H 0.96999 * 120.00542 * 334.97976 * 16 15 14 47 47 H 0.97003 * 120.00417 * 179.97438 * 20 19 17 48 48 H 1.08998 * 109.49905 * 58.57877 * 25 15 14 49 49 H 1.08997 * 109.49211 * 178.67412 * 25 15 14 50 50 H 1.08993 * 109.58489 * 246.14974 * 26 12 10 51 51 H 1.08994 * 109.58389 * 6.57892 * 26 12 10 52 52 H 1.08996 * 109.88783 * 117.33406 * 27 5 4 53 53 H 1.08996 * 109.88410 * 356.15261 * 27 5 4 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 1.4426 0.0000 4 6 2.0401 -0.7212 1.2492 5 7 1.6577 -2.1382 1.1870 6 6 2.4977 -2.8716 0.2163 7 6 2.6514 -4.2937 0.8161 8 6 2.7478 -3.9827 2.3328 9 1 3.7668 -3.7093 2.6063 10 6 2.2764 -5.1587 3.1490 11 8 1.2942 -5.0537 3.8526 12 7 2.9463 -6.3270 3.0968 13 6 2.4987 -7.4825 3.8862 14 6 3.6739 -7.9897 4.7278 15 6 4.8654 -8.2780 3.8116 16 7 5.9805 -8.7945 4.6092 17 6 6.9331 -9.5848 4.0230 18 1 6.8625 -9.8268 2.9729 19 6 7.9926 -10.0696 4.7773 20 7 8.0816 -9.7702 6.0559 21 14 9.2924 -11.1469 3.9778 22 1 8.9649 -11.3344 2.5416 23 1 10.6209 -10.4948 4.1020 24 1 9.3247 -12.4685 4.6543 25 6 5.2952 -6.9875 3.1101 26 6 4.1382 -6.4693 2.2494 27 6 1.7952 -2.7811 2.5067 28 1 -0.3633 0.5138 0.8901 29 1 -0.3634 0.5138 -0.8899 30 1 -0.3633 -1.0277 0.0005 31 1 1.8933 -0.5138 -0.8900 32 1 1.6823 1.9543 0.8934 33 1 3.1299 1.4426 -0.0069 34 1 1.6710 1.9583 -0.8865 35 1 1.6014 -0.2652 2.1366 36 1 3.1259 -0.6398 1.2978 37 1 2.0030 -2.9193 -0.7538 38 1 3.4734 -2.3948 0.1225 39 1 3.5612 -4.7755 0.4577 40 1 1.7758 -4.9051 0.5977 41 1 2.1605 -8.2735 3.2167 42 1 1.6809 -7.1846 4.5425 43 1 3.3831 -8.9040 5.2450 44 1 3.9523 -7.2306 5.4588 45 1 4.5788 -9.0189 3.0654 46 1 6.0441 -8.5769 5.5523 47 1 8.8219 -10.1094 6.5831 48 1 5.5582 -6.2379 3.8565 49 1 6.1585 -7.1885 2.4758 50 1 3.9334 -7.1777 1.4468 51 1 4.4030 -5.5006 1.8258 52 1 0.8216 -3.1269 2.8540 53 1 2.2165 -2.0742 3.2214 RHF calculation, no. of doubly occupied orbitals= 63 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 ZINC000996663473.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 13:43:36 Heat of formation + Delta-G solvation = -31.537841 kcal Electronic energy + Delta-G solvation = -28322.813375 eV Core-core repulsion = 24614.884387 eV Total energy + Delta-G solvation = -3707.928988 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 323.231 amu Computer time = 0.77 seconds Orbital eigenvalues (eV) -40.63067 -38.92293 -37.34951 -35.82406 -34.53546 -32.38482 -31.57780 -30.53697 -29.42051 -29.10538 -27.36712 -25.97933 -24.92246 -23.13982 -22.98179 -21.85827 -21.44720 -20.11013 -20.00394 -18.81565 -17.49569 -17.06398 -16.39803 -15.97574 -15.57030 -15.04459 -14.84325 -14.79204 -14.11664 -13.93641 -13.87607 -13.72633 -13.57570 -13.53360 -13.42660 -13.07502 -12.68102 -12.52717 -12.34693 -12.17816 -12.03185 -11.90608 -11.69550 -11.66344 -11.38258 -11.20237 -11.10642 -10.99894 -10.95793 -10.90709 -10.84390 -10.74374 -10.49766 -10.23881 -9.86418 -9.72572 -9.64798 -8.95546 -8.56106 -8.49784 -7.02110 -5.81792 -3.11240 2.65419 3.04657 3.38949 3.44460 3.46957 3.66642 4.24562 4.27520 4.52882 4.55687 4.58198 4.68146 4.84317 4.91838 5.04562 5.06908 5.11508 5.18537 5.29433 5.31124 5.33463 5.34056 5.38643 5.41419 5.46517 5.48079 5.50872 5.60171 5.65309 5.67268 5.69858 5.74015 5.81628 5.83962 5.91515 5.97407 6.03015 6.04971 6.15766 6.19486 6.33510 6.36021 6.47413 6.59436 6.70161 6.81934 6.85656 6.99492 7.50149 7.64583 8.22192 8.36340 9.47643 10.05136 10.39686 11.40740 Molecular weight = 323.23amu Principal moments of inertia in cm(-1) A = 0.023050 B = 0.002279 C = 0.002165 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1214.479792 B =12282.192491 C =12930.653588 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.138 4.138 2 C -0.091 4.091 3 C -0.148 4.148 4 C 0.053 3.947 5 N -0.526 5.526 6 C 0.043 3.957 7 C -0.120 4.120 8 C -0.131 4.131 9 H 0.101 0.899 10 C 0.526 3.474 11 O -0.547 6.547 12 N -0.603 5.603 13 C 0.116 3.884 14 C -0.139 4.139 15 C 0.179 3.821 16 N -0.724 5.724 17 C -0.240 4.240 18 H 0.071 0.929 19 C -0.014 4.014 20 N -0.932 5.932 21 Si 0.906 3.094 22 H -0.280 1.280 23 H -0.292 1.292 24 H -0.291 1.291 25 C -0.152 4.152 26 C 0.104 3.896 27 C 0.058 3.942 28 H 0.049 0.951 29 H 0.045 0.955 30 H 0.067 0.933 31 H 0.068 0.932 32 H 0.054 0.946 33 H 0.052 0.948 34 H 0.056 0.944 35 H 0.073 0.927 36 H 0.036 0.964 37 H 0.082 0.918 38 H 0.049 0.951 39 H 0.086 0.914 40 H 0.081 0.919 41 H 0.066 0.934 42 H 0.088 0.912 43 H 0.076 0.924 44 H 0.062 0.938 45 H 0.048 0.952 46 H 0.384 0.616 47 H 0.255 0.745 48 H 0.059 0.941 49 H 0.075 0.925 50 H 0.068 0.932 51 H 0.079 0.921 52 H 0.099 0.901 53 H 0.057 0.943 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.140 18.163 -13.070 25.950 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 -0.196 4.196 2 C -0.110 4.110 3 C -0.206 4.206 4 C -0.075 4.075 5 N -0.249 5.249 6 C -0.085 4.085 7 C -0.159 4.159 8 C -0.154 4.154 9 H 0.119 0.881 10 C 0.314 3.686 11 O -0.425 6.425 12 N -0.335 5.335 13 C -0.007 4.007 14 C -0.178 4.178 15 C 0.069 3.931 16 N -0.365 5.365 17 C -0.371 4.371 18 H 0.089 0.911 19 C -0.210 4.210 20 N -0.580 5.580 21 Si 0.737 3.263 22 H -0.205 1.205 23 H -0.219 1.219 24 H -0.219 1.219 25 C -0.193 4.193 26 C -0.019 4.019 27 C -0.070 4.070 28 H 0.068 0.932 29 H 0.064 0.936 30 H 0.086 0.914 31 H 0.087 0.913 32 H 0.073 0.927 33 H 0.071 0.929 34 H 0.075 0.925 35 H 0.091 0.909 36 H 0.054 0.946 37 H 0.100 0.900 38 H 0.067 0.933 39 H 0.104 0.896 40 H 0.099 0.901 41 H 0.084 0.916 42 H 0.106 0.894 43 H 0.094 0.906 44 H 0.081 0.919 45 H 0.066 0.934 46 H 0.217 0.783 47 H 0.065 0.935 48 H 0.077 0.923 49 H 0.093 0.907 50 H 0.086 0.914 51 H 0.098 0.902 52 H 0.117 0.883 53 H 0.075 0.925 Dipole moment (debyes) X Y Z Total from point charges -14.063 18.073 -12.945 26.306 hybrid contribution 1.987 -0.488 0.233 2.060 sum -12.076 17.585 -12.713 24.833 Atomic orbital electron populations 1.21718 0.94534 1.02606 1.00703 1.21072 0.96815 0.95250 0.97824 1.21837 1.00782 0.96112 1.01874 1.22448 0.97893 0.88475 0.98724 1.63620 1.52807 1.01971 1.06534 1.23129 0.95662 0.92841 0.96836 1.22898 1.03324 0.97500 0.92128 1.22488 1.01489 0.95008 0.96374 0.88132 1.20226 0.83036 0.83518 0.81866 1.90660 1.26878 1.83198 1.41755 1.48124 1.28543 1.11624 1.45257 1.21614 0.97620 0.86916 0.94531 1.22206 0.95464 1.01414 0.98693 1.20163 0.87676 0.92492 0.92797 1.42451 1.25405 1.59098 1.09514 1.19272 1.01348 1.22346 0.94106 0.91109 1.24761 0.99123 1.01298 0.95819 1.69672 1.32873 1.49543 1.05901 0.86134 0.81747 0.80102 0.78287 1.20548 1.21893 1.21861 1.22695 0.96752 1.00355 0.99487 1.22016 0.85149 1.01509 0.93227 1.22772 1.00579 0.93368 0.90254 0.93217 0.93568 0.91394 0.91331 0.92672 0.92903 0.92537 0.90861 0.94596 0.89966 0.93287 0.89576 0.90054 0.91610 0.89379 0.90551 0.91894 0.93407 0.78266 0.93524 0.92268 0.90662 0.91418 0.90236 0.88315 0.92456 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 -1.03 9.08 37.15 0.34 -0.69 16 2 C -0.09 -0.64 2.97 -90.62 -0.27 -0.91 16 3 C -0.15 -0.90 9.19 37.16 0.34 -0.56 16 4 C 0.05 0.42 4.06 -3.83 -0.02 0.41 16 5 N -0.53 -4.89 4.59 -231.12 -1.06 -5.95 16 6 C 0.04 0.35 5.99 -2.19 -0.01 0.33 16 7 C -0.12 -1.05 5.65 -24.49 -0.14 -1.19 16 8 C -0.13 -1.40 2.35 -89.95 -0.21 -1.61 16 9 H 0.10 1.01 7.68 -51.93 -0.40 0.61 16 10 C 0.53 7.31 7.08 -10.98 -0.08 7.24 16 11 O -0.55 -9.34 14.85 5.56 0.08 -9.26 16 12 N -0.60 -8.15 2.97 -172.74 -0.51 -8.66 16 13 C 0.12 1.64 6.43 -3.71 -0.02 1.62 16 14 C -0.14 -2.26 5.55 -26.61 -0.15 -2.41 16 15 C 0.18 3.34 2.73 -67.88 -0.19 3.15 16 16 N -0.72 -17.52 5.12 -53.38 -0.27 -17.80 16 17 C -0.24 -6.42 9.93 -15.06 -0.15 -6.57 16 18 H 0.07 1.84 7.83 -52.49 -0.41 1.42 16 19 C -0.01 -0.39 5.50 -17.43 -0.10 -0.49 16 20 N -0.93 -27.76 13.06 55.49 0.72 -27.04 16 21 Si 0.91 21.93 29.55 -169.99 -5.02 16.90 16 22 H -0.28 -6.53 7.11 56.52 0.40 -6.12 16 23 H -0.29 -7.12 7.11 56.52 0.40 -6.72 16 24 H -0.29 -7.13 7.11 56.52 0.40 -6.73 16 25 C -0.15 -2.44 5.66 -26.59 -0.15 -2.59 16 26 C 0.10 1.27 5.57 -3.69 -0.02 1.25 16 27 C 0.06 0.62 6.26 -2.83 -0.02 0.61 16 28 H 0.05 0.37 8.14 -51.93 -0.42 -0.05 16 29 H 0.05 0.31 8.14 -51.93 -0.42 -0.12 16 30 H 0.07 0.59 7.76 -51.93 -0.40 0.19 16 31 H 0.07 0.50 7.57 -51.93 -0.39 0.11 16 32 H 0.05 0.33 8.14 -51.93 -0.42 -0.09 16 33 H 0.05 0.31 8.14 -51.93 -0.42 -0.11 16 34 H 0.06 0.32 8.14 -51.93 -0.42 -0.11 16 35 H 0.07 0.60 7.87 -51.93 -0.41 0.19 16 36 H 0.04 0.29 7.69 -51.93 -0.40 -0.11 16 37 H 0.08 0.62 8.14 -51.93 -0.42 0.20 16 38 H 0.05 0.37 7.53 -51.93 -0.39 -0.02 16 39 H 0.09 0.64 6.34 -51.93 -0.33 0.31 16 40 H 0.08 0.79 8.04 -51.93 -0.42 0.37 16 41 H 0.07 0.86 8.14 -51.93 -0.42 0.43 16 42 H 0.09 1.30 7.01 -51.93 -0.36 0.94 16 43 H 0.08 1.26 8.14 -51.93 -0.42 0.84 16 44 H 0.06 1.09 8.14 -51.93 -0.42 0.66 16 45 H 0.05 0.91 8.08 -51.93 -0.42 0.49 16 46 H 0.38 10.03 7.80 -40.82 -0.32 9.72 16 47 H 0.25 7.36 8.31 -40.82 -0.34 7.02 16 48 H 0.06 1.02 8.14 -51.93 -0.42 0.60 16 49 H 0.07 1.29 8.14 -51.93 -0.42 0.86 16 50 H 0.07 0.77 8.14 -51.93 -0.42 0.34 16 51 H 0.08 0.80 4.42 -51.93 -0.23 0.57 16 52 H 0.10 1.28 6.84 -51.93 -0.36 0.93 16 53 H 0.06 0.59 7.47 -51.93 -0.39 0.20 16 LS Contribution 401.39 15.07 6.05 6.05 Total: -1.00 -30.68 401.39 -10.69 -41.37 By element: Atomic # 1 Polarization: 16.63 SS G_CDS: -9.83 Total: 6.79 kcal Atomic # 6 Polarization: -1.57 SS G_CDS: -0.84 Total: -2.41 kcal Atomic # 7 Polarization: -58.32 SS G_CDS: -1.12 Total: -59.44 kcal Atomic # 8 Polarization: -9.34 SS G_CDS: 0.08 Total: -9.26 kcal Atomic # 14 Polarization: 21.93 SS G_CDS: -5.02 Total: 16.90 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -30.68 -10.69 -41.37 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. ZINC000996663473.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 9.832 kcal (2) G-P(sol) polarization free energy of solvation -30.683 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -20.851 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.687 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.370 kcal (6) G-S(sol) free energy of system = (1) + (5) -31.538 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.77 seconds