Wall clock time and date at job start Wed Apr 1 2020 01:38:25 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 1.50695 * 1 3 3 C 1.38261 * 119.99815 * 2 1 4 4 C 1.38215 * 119.99932 * 179.97438 * 3 2 1 5 5 C 1.38256 * 120.00104 * 0.02562 * 4 3 2 6 6 C 1.38213 * 120.00048 * 359.70923 * 5 4 3 7 7 C 1.38215 * 120.00330 * 179.97438 * 2 1 3 8 8 C 1.50697 * 119.99819 * 359.97438 * 7 2 1 9 9 C 1.53001 * 109.46676 * 85.00390 * 8 7 2 10 10 H 1.09005 * 109.47350 * 305.00225 * 9 8 7 11 11 C 1.53002 * 109.47295 * 65.00111 * 9 8 7 12 12 C 1.50702 * 109.47475 * 184.99889 * 9 8 7 13 13 O 1.21281 * 119.99643 * 333.18360 * 12 9 8 14 14 N 1.34780 * 120.00262 * 153.17784 * 12 9 8 15 15 C 1.46636 * 125.32931 * 174.88636 * 14 12 9 16 16 C 1.53684 * 108.00958 * 179.14514 * 15 14 12 17 17 H 1.09003 * 113.05587 * 106.19729 * 16 15 14 18 18 C 1.53724 * 109.34182 * 232.44108 * 16 15 14 19 19 N 1.46675 * 107.94111 * 93.74583 * 18 16 15 20 20 C 1.36941 * 125.33817 * 179.48887 * 19 18 16 21 21 H 1.07994 * 119.99673 * 0.02562 * 20 19 18 22 22 C 1.38815 * 119.99626 * 180.02562 * 20 19 18 23 23 N 1.31617 * 120.00118 * 0.02562 * 22 20 19 24 24 Si 1.86802 * 119.99392 * 180.02562 * 22 20 19 25 25 H 1.48499 * 109.46883 * 90.00259 * 24 22 20 26 26 H 1.48507 * 109.46776 * 210.00066 * 24 22 20 27 27 H 1.48497 * 109.47330 * 330.00106 * 24 22 20 28 28 C 1.46773 * 109.32218 * 359.45873 * 19 18 16 29 29 C 1.53966 * 106.62877 * 18.51698 * 28 19 18 30 30 H 1.09001 * 113.61411 * 94.61520 * 29 28 19 31 31 C 1.46738 * 125.32672 * 354.86786 * 14 12 9 32 32 H 1.08999 * 109.47126 * 270.02122 * 1 2 3 33 33 H 1.09004 * 109.47310 * 30.02601 * 1 2 3 34 34 H 1.09003 * 109.46715 * 150.02203 * 1 2 3 35 35 H 1.08000 * 120.00117 * 0.02562 * 3 2 1 36 36 H 1.07996 * 120.00064 * 179.97438 * 4 3 2 37 37 H 1.08004 * 120.00027 * 179.97438 * 5 4 3 38 38 H 1.07997 * 120.00166 * 180.29385 * 6 5 4 39 39 H 1.09003 * 109.47288 * 325.00705 * 8 7 2 40 40 H 1.08992 * 109.47718 * 205.00253 * 8 7 2 41 41 H 1.09010 * 109.46671 * 294.69609 * 11 9 8 42 42 H 1.08998 * 109.47163 * 54.69577 * 11 9 8 43 43 H 1.08998 * 109.47336 * 174.69950 * 11 9 8 44 44 H 1.08998 * 109.76085 * 59.50141 * 15 14 12 45 45 H 1.09006 * 109.76660 * 298.78947 * 15 14 12 46 46 H 1.08997 * 109.77682 * 213.36995 * 18 16 15 47 47 H 1.08999 * 109.77423 * 334.13034 * 18 16 15 48 48 H 0.97004 * 119.99711 * 179.97438 * 23 22 20 49 49 H 1.09002 * 110.02659 * 259.22268 * 28 19 18 50 50 H 1.09004 * 110.02805 * 137.80830 * 28 19 18 51 51 H 1.08996 * 110.01365 * 79.04550 * 31 14 12 52 52 H 1.09002 * 110.01080 * 317.66734 * 31 14 12 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 1.5070 0.0000 0.0000 3 6 2.1982 1.1974 0.0000 4 6 3.5804 1.1974 0.0005 5 6 4.2717 0.0001 0.0005 6 6 3.5807 -1.1969 0.0061 7 6 2.1981 -1.1969 0.0005 8 6 1.4446 -2.5020 0.0017 9 6 1.0804 -2.8818 -1.4350 10 1 0.5306 -2.0629 -1.8990 11 6 2.3588 -3.1531 -2.2306 12 6 0.2225 -4.1207 -1.4250 13 8 0.3142 -4.9144 -0.5126 14 7 -0.6467 -4.3467 -2.4300 15 6 -1.4575 -5.5575 -2.5937 16 6 -2.3186 -5.3858 -3.8550 17 1 -1.9705 -5.9874 -4.6947 18 6 -3.7913 -5.6557 -3.5067 19 7 -4.4229 -4.3709 -3.1877 20 6 -5.7356 -4.1989 -2.8376 21 1 -6.3950 -5.0521 -2.7790 22 6 -6.2185 -2.9278 -2.5581 23 7 -5.4149 -1.8879 -2.6301 24 14 -8.0090 -2.6933 -2.0799 25 1 -8.1453 -2.7991 -0.6049 26 1 -8.4686 -1.3530 -2.5246 27 1 -8.8363 -3.7412 -2.7299 28 6 -3.4272 -3.2986 -3.3019 29 6 -2.2699 -3.8603 -4.1479 30 1 -2.3494 -3.6230 -5.2088 31 6 -0.9300 -3.4194 -3.5314 32 1 -0.3633 0.0004 1.0276 33 1 -0.3634 0.8898 -0.5142 34 1 -0.3633 -0.8902 -0.5135 35 1 1.6582 2.1327 0.0004 36 1 4.1203 2.1327 0.0001 37 1 5.3517 0.0002 0.0005 38 1 4.1207 -2.1321 0.0109 39 1 0.5341 -2.3954 0.5913 40 1 2.0696 -3.2821 0.4363 41 1 2.9347 -2.2318 -2.3180 42 1 2.9544 -3.9065 -1.7152 43 1 2.0979 -3.5142 -3.2254 44 1 -2.1005 -5.6908 -1.7238 45 1 -0.8066 -6.4245 -2.7071 46 1 -4.2943 -6.1122 -4.3591 47 1 -3.8506 -6.3198 -2.6444 48 1 -5.7525 -0.9997 -2.4351 49 1 -3.0649 -3.0188 -2.3126 50 1 -3.8662 -2.4328 -3.7978 51 1 -0.1391 -3.4756 -4.2792 52 1 -1.0120 -2.4015 -3.1503 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001049238068.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 01:38:25 Heat of formation + Delta-G solvation = 5.892812 kcal Electronic energy + Delta-G solvation = -30817.170960 eV Core-core repulsion = 26974.461674 eV Total energy + Delta-G solvation = -3842.709286 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 342.205 amu Computer time = 1.28 seconds Orbital eigenvalues (eV) -40.47964 -39.64837 -38.25898 -35.02078 -34.93546 -32.78590 -32.31594 -30.96846 -30.13816 -29.51251 -27.34813 -26.58617 -25.72534 -25.57354 -23.70180 -22.35588 -21.93702 -20.46995 -20.17560 -19.41961 -18.68349 -17.27245 -16.78090 -16.28525 -16.05525 -15.62407 -15.40826 -15.00884 -14.64050 -14.28347 -13.98726 -13.75267 -13.65233 -13.31439 -13.24775 -13.13778 -13.07269 -12.66600 -12.52276 -12.18503 -12.16492 -12.04585 -11.97245 -11.82223 -11.60985 -11.46176 -11.29761 -11.17038 -10.96395 -10.91266 -10.85827 -10.82111 -10.38207 -10.12863 -10.11366 -9.84235 -9.59381 -9.46700 -8.87861 -8.64981 -8.62677 -8.30995 -6.85712 -5.70826 -3.09225 1.24676 1.29404 2.84751 3.23076 3.38647 3.43944 3.45242 3.66635 4.46383 4.48754 4.69028 4.78348 4.83133 4.85322 4.88448 4.95278 5.00659 5.10252 5.25589 5.29014 5.32742 5.36507 5.48954 5.50570 5.58491 5.62458 5.66068 5.68958 5.69199 5.72524 5.76011 5.79417 5.84579 5.96073 6.04282 6.06466 6.11201 6.19929 6.22723 6.24796 6.32274 6.40281 6.41296 6.51198 6.54802 6.62920 6.69867 6.84858 6.93182 7.47987 7.60467 7.77947 7.80549 8.29691 8.39646 9.20107 9.80648 10.43822 11.35556 Molecular weight = 342.20amu Principal moments of inertia in cm(-1) A = 0.012401 B = 0.003113 C = 0.002660 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2257.269332 B = 8993.388343 C =10523.753077 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.123 4.123 2 C -0.076 4.076 3 C -0.120 4.120 4 C -0.123 4.123 5 C -0.129 4.129 6 C -0.111 4.111 7 C -0.077 4.077 8 C -0.065 4.065 9 C -0.100 4.100 10 H 0.094 0.906 11 C -0.138 4.138 12 C 0.532 3.468 13 O -0.547 6.547 14 N -0.605 5.605 15 C 0.121 3.879 16 C -0.110 4.110 17 H 0.089 0.911 18 C 0.144 3.856 19 N -0.602 5.602 20 C -0.224 4.224 21 H 0.078 0.922 22 C -0.009 4.009 23 N -0.922 5.922 24 Si 0.913 3.087 25 H -0.289 1.289 26 H -0.290 1.290 27 H -0.281 1.281 28 C 0.172 3.828 29 C -0.123 4.123 30 H 0.094 0.906 31 C 0.111 3.889 32 H 0.072 0.928 33 H 0.069 0.931 34 H 0.072 0.928 35 H 0.120 0.880 36 H 0.118 0.882 37 H 0.118 0.882 38 H 0.121 0.879 39 H 0.079 0.921 40 H 0.082 0.918 41 H 0.069 0.931 42 H 0.060 0.940 43 H 0.058 0.942 44 H 0.072 0.928 45 H 0.058 0.942 46 H 0.025 0.975 47 H 0.025 0.975 48 H 0.252 0.748 49 H 0.019 0.981 50 H 0.093 0.907 51 H 0.059 0.941 52 H 0.076 0.924 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 18.853 3.267 -0.214 19.135 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 -0.180 4.180 2 C -0.076 4.076 3 C -0.138 4.138 4 C -0.141 4.141 5 C -0.147 4.147 6 C -0.129 4.129 7 C -0.077 4.077 8 C -0.102 4.102 9 C -0.122 4.122 10 H 0.112 0.888 11 C -0.195 4.195 12 C 0.321 3.679 13 O -0.425 6.425 14 N -0.338 5.338 15 C -0.002 4.002 16 C -0.129 4.129 17 H 0.107 0.893 18 C 0.018 3.982 19 N -0.328 5.328 20 C -0.353 4.353 21 H 0.096 0.904 22 C -0.205 4.205 23 N -0.570 5.570 24 Si 0.744 3.256 25 H -0.216 1.216 26 H -0.216 1.216 27 H -0.207 1.207 28 C 0.047 3.953 29 C -0.143 4.143 30 H 0.113 0.887 31 C -0.012 4.012 32 H 0.090 0.910 33 H 0.088 0.912 34 H 0.091 0.909 35 H 0.138 0.862 36 H 0.136 0.864 37 H 0.136 0.864 38 H 0.139 0.861 39 H 0.097 0.903 40 H 0.100 0.900 41 H 0.088 0.912 42 H 0.080 0.920 43 H 0.078 0.922 44 H 0.091 0.909 45 H 0.077 0.923 46 H 0.043 0.957 47 H 0.043 0.957 48 H 0.062 0.938 49 H 0.037 0.963 50 H 0.111 0.889 51 H 0.077 0.923 52 H 0.094 0.906 Dipole moment (debyes) X Y Z Total from point charges 18.788 3.013 0.393 19.032 hybrid contribution -0.922 0.227 0.248 0.982 sum 17.865 3.240 0.641 18.168 Atomic orbital electron populations 1.20918 0.90810 1.03495 1.02755 1.19881 0.96269 0.92543 0.98944 1.21045 0.94232 0.97505 1.01032 1.21095 0.94314 0.97935 1.00762 1.21082 0.99625 0.92574 1.01382 1.21051 0.93530 0.98067 1.00241 1.19734 0.93613 0.94384 1.00012 1.20449 1.00767 0.93877 0.95147 1.21242 0.96976 0.96093 0.97851 0.88778 1.21728 0.95764 1.02479 0.99554 1.20213 0.79587 0.87633 0.80490 1.90672 1.68633 1.48552 1.34678 1.48211 1.40832 1.19420 1.25314 1.21838 0.93102 0.86711 0.98536 1.22749 0.96497 0.97438 0.96220 0.89300 1.21155 0.89508 0.90245 0.97301 1.44241 1.06982 1.00659 1.80893 1.19062 0.84195 0.93172 1.38839 0.90444 1.24774 0.98262 0.95526 1.01909 1.69860 1.33471 0.98241 1.55456 0.86090 0.84170 0.77119 0.78223 1.21635 1.21640 1.20692 1.21466 0.85456 0.92680 0.95723 1.23317 0.95607 0.94616 1.00744 0.88742 1.21984 0.96967 0.93776 0.88474 0.90951 0.91250 0.90884 0.86155 0.86397 0.86380 0.86138 0.90252 0.89970 0.91245 0.92046 0.92249 0.90937 0.92345 0.95731 0.95713 0.93779 0.96338 0.88908 0.92254 0.90607 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 -0.12 -1.42 9.22 36.00 0.33 -1.09 16 2 C -0.08 -0.87 5.88 -104.62 -0.62 -1.49 16 3 C -0.12 -1.23 9.70 -39.58 -0.38 -1.62 16 4 C -0.12 -1.15 10.05 -39.58 -0.40 -1.55 16 5 C -0.13 -1.19 10.05 -39.58 -0.40 -1.59 16 6 C -0.11 -1.12 8.53 -39.58 -0.34 -1.46 16 7 C -0.08 -0.88 4.56 -104.62 -0.48 -1.36 16 8 C -0.06 -0.81 3.60 -27.88 -0.10 -0.91 16 9 C -0.10 -1.27 2.03 -91.77 -0.19 -1.46 16 10 H 0.09 1.17 5.58 -51.93 -0.29 0.88 16 11 C -0.14 -1.45 8.67 37.16 0.32 -1.12 16 12 C 0.53 8.72 6.92 -10.98 -0.08 8.65 16 13 O -0.55 -10.77 16.54 5.56 0.09 -10.67 16 14 N -0.61 -9.82 3.30 -172.39 -0.57 -10.39 16 15 C 0.12 2.04 6.22 -3.61 -0.02 2.02 16 16 C -0.11 -1.80 4.02 -88.61 -0.36 -2.16 16 17 H 0.09 1.22 8.14 -51.93 -0.42 0.80 16 18 C 0.14 2.91 6.62 -3.57 -0.02 2.89 16 19 N -0.60 -14.99 3.38 -171.84 -0.58 -15.57 16 20 C -0.22 -6.17 10.25 -15.06 -0.15 -6.32 16 21 H 0.08 2.07 7.83 -52.49 -0.41 1.66 16 22 C -0.01 -0.25 5.48 -17.43 -0.10 -0.35 16 23 N -0.92 -26.19 10.16 55.49 0.56 -25.63 16 24 Si 0.91 21.89 29.55 -169.99 -5.02 16.87 16 25 H -0.29 -6.99 7.11 56.52 0.40 -6.59 16 26 H -0.29 -6.98 7.11 56.52 0.40 -6.58 16 27 H -0.28 -6.58 7.11 56.52 0.40 -6.18 16 28 C 0.17 3.94 4.92 -3.39 -0.02 3.92 16 29 C -0.12 -2.09 4.17 -88.35 -0.37 -2.46 16 30 H 0.09 1.48 8.14 -51.93 -0.42 1.05 16 31 C 0.11 1.62 5.63 -3.42 -0.02 1.60 16 32 H 0.07 0.81 8.14 -51.93 -0.42 0.39 16 33 H 0.07 0.73 8.09 -51.93 -0.42 0.31 16 34 H 0.07 0.92 5.49 -51.93 -0.29 0.64 16 35 H 0.12 1.05 8.06 -52.49 -0.42 0.63 16 36 H 0.12 0.85 8.06 -52.49 -0.42 0.43 16 37 H 0.12 0.84 8.06 -52.48 -0.42 0.42 16 38 H 0.12 1.05 8.06 -52.49 -0.42 0.63 16 39 H 0.08 1.10 6.99 -51.93 -0.36 0.73 16 40 H 0.08 1.04 7.93 -51.93 -0.41 0.63 16 41 H 0.07 0.66 6.88 -51.92 -0.36 0.30 16 42 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 43 H 0.06 0.60 8.14 -51.93 -0.42 0.18 16 44 H 0.07 1.43 7.29 -51.93 -0.38 1.05 16 45 H 0.06 0.90 8.14 -51.93 -0.42 0.48 16 46 H 0.02 0.49 8.14 -51.93 -0.42 0.06 16 47 H 0.03 0.51 7.44 -51.93 -0.39 0.13 16 48 H 0.25 6.97 8.31 -40.82 -0.34 6.63 16 49 H 0.02 0.47 7.71 -51.93 -0.40 0.07 16 50 H 0.09 2.40 6.19 -51.93 -0.32 2.08 16 51 H 0.06 0.71 8.14 -51.93 -0.42 0.28 16 52 H 0.08 1.10 6.89 -51.93 -0.36 0.74 16 LS Contribution 400.74 15.07 6.04 6.04 Total: -1.00 -31.68 400.74 -11.44 -43.13 By element: Atomic # 1 Polarization: 10.68 SS G_CDS: -8.59 Total: 2.09 kcal Atomic # 6 Polarization: -2.47 SS G_CDS: -3.37 Total: -5.85 kcal Atomic # 7 Polarization: -51.01 SS G_CDS: -0.59 Total: -51.60 kcal Atomic # 8 Polarization: -10.77 SS G_CDS: 0.09 Total: -10.67 kcal Atomic # 14 Polarization: 21.89 SS G_CDS: -5.02 Total: 16.87 kcal Total LS contribution 6.04 Total: 6.04 kcal Total: -31.68 -11.44 -43.13 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. ZINC001049238068.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 49.018 kcal (2) G-P(sol) polarization free energy of solvation -31.682 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 17.337 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.444 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.126 kcal (6) G-S(sol) free energy of system = (1) + (5) 5.893 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.28 seconds