Wall clock time and date at job start Sat Apr 11 2020 06:11:37 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 1.42907 * 109.47340 * 2 1 4 4 C 1.42891 * 114.00299 * 180.02562 * 3 2 1 5 5 H 1.09006 * 109.57644 * 330.16018 * 4 3 2 6 6 C 1.53100 * 109.52294 * 90.31336 * 4 3 2 7 7 O 1.42902 * 109.41196 * 62.29975 * 6 4 3 8 8 C 1.42901 * 114.10054 * 61.15837 * 7 6 4 9 9 C 1.53091 * 109.41249 * 298.84155 * 8 7 6 10 10 C 1.53178 * 109.16768 * 57.61080 * 9 8 7 11 11 H 1.08998 * 109.54255 * 62.96917 * 10 9 8 12 12 C 1.52994 * 109.54700 * 183.15137 * 10 9 8 13 13 C 1.50698 * 109.47425 * 294.99699 * 12 10 9 14 14 O 1.21282 * 119.99364 * 0.02562 * 13 12 10 15 15 N 1.34774 * 120.00600 * 179.97438 * 13 12 10 16 16 C 1.46496 * 120.00099 * 180.02562 * 15 13 12 17 17 H 1.08994 * 112.91109 * 23.75176 * 16 15 13 18 18 C 1.53787 * 113.61210 * 155.00440 * 16 15 13 19 19 C 1.53778 * 87.08035 * 89.11438 * 18 16 15 20 20 H 1.09004 * 113.61682 * 270.87724 * 19 18 16 21 21 C 1.53001 * 113.61263 * 139.98349 * 19 18 16 22 22 N 1.46505 * 109.47164 * 174.99956 * 21 19 18 23 23 C 1.36933 * 119.99630 * 179.97438 * 22 21 19 24 24 H 1.07998 * 120.00284 * 359.97438 * 23 22 21 25 25 C 1.38816 * 119.99912 * 179.97438 * 23 22 21 26 26 N 1.31621 * 119.99477 * 0.02562 * 25 23 22 27 27 Si 1.86801 * 120.00247 * 179.97438 * 25 23 22 28 28 H 1.48498 * 109.47026 * 0.02562 * 27 25 23 29 29 H 1.48492 * 109.46862 * 120.00108 * 27 25 23 30 30 H 1.48501 * 109.47032 * 239.99994 * 27 25 23 31 31 C 1.53778 * 87.08449 * 25.43264 * 19 18 16 32 32 H 1.08994 * 109.47190 * 179.97438 * 1 2 3 33 33 H 1.09002 * 109.46730 * 299.99855 * 1 2 3 34 34 H 1.09001 * 109.47409 * 59.99649 * 1 2 3 35 35 H 1.08997 * 109.47410 * 240.00327 * 2 1 3 36 36 H 1.08997 * 109.47678 * 119.99923 * 2 1 3 37 37 H 1.08994 * 109.47963 * 302.31351 * 6 4 3 38 38 H 1.09003 * 109.48871 * 182.28283 * 6 4 3 39 39 H 1.09001 * 109.47985 * 178.86081 * 8 7 6 40 40 H 1.08995 * 109.48189 * 58.82100 * 8 7 6 41 41 H 1.09000 * 109.52506 * 297.69915 * 9 8 7 42 42 H 1.09002 * 109.52023 * 177.51511 * 9 8 7 43 43 H 1.09005 * 109.47394 * 174.99715 * 12 10 9 44 44 H 1.09008 * 109.47254 * 54.99825 * 12 10 9 45 45 H 0.97002 * 119.99411 * 0.02562 * 15 13 12 46 46 H 1.08998 * 113.61103 * 203.66698 * 18 16 15 47 47 H 1.08999 * 113.61167 * 334.56160 * 18 16 15 48 48 H 1.09008 * 109.46870 * 294.99672 * 21 19 18 49 49 H 1.09000 * 109.47055 * 54.99500 * 21 19 18 50 50 H 0.96988 * 119.99988 * 359.97438 * 22 21 19 51 51 H 0.97002 * 119.99897 * 180.02562 * 26 25 23 52 52 H 1.08993 * 113.61229 * 220.02023 * 31 19 18 53 53 H 1.09000 * 113.61263 * 89.11673 * 31 19 18 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 3.4308 1.4602 -0.0006 5 1 3.8655 0.6008 0.5101 6 6 3.9396 1.5087 -1.4437 7 8 3.4144 2.6678 -2.0938 8 6 3.8056 3.9028 -1.4906 9 6 3.2915 3.9504 -0.0493 10 6 3.8428 2.7469 0.7213 11 1 4.9300 2.8094 0.7659 12 6 3.2717 2.7426 2.1407 13 6 3.7694 3.9541 2.8861 14 8 4.5078 4.7434 2.3360 15 7 3.3931 4.1610 4.1636 16 6 3.8766 5.3390 4.8880 17 1 4.1674 6.1545 4.2258 18 6 2.9530 5.7778 6.0367 19 6 3.7554 4.8268 6.9402 20 1 3.3626 3.8102 6.9624 21 6 4.0264 5.3910 8.3364 22 7 4.6874 4.3717 9.1552 23 6 5.0303 4.6511 10.4511 24 1 4.8139 5.6230 10.8694 25 6 5.6562 3.6851 11.2272 26 7 5.9203 2.5009 10.7171 27 14 6.1247 4.0665 12.9948 28 1 5.7221 5.4573 13.3245 29 1 5.4302 3.1215 13.9057 30 1 7.5936 3.9235 13.1594 31 6 4.9275 5.0132 5.9623 32 1 -0.3633 -1.0276 -0.0005 33 1 -0.3633 0.5138 0.8900 34 1 -0.3634 0.5139 -0.8899 35 1 1.8934 -0.5138 -0.8900 36 1 1.8934 -0.5138 0.8899 37 1 3.6128 0.6146 -1.9746 38 1 5.0287 1.5539 -1.4440 39 1 3.3821 4.7334 -2.0552 40 1 4.8929 3.9793 -1.4913 41 1 2.2020 3.9147 -0.0498 42 1 3.6263 4.8721 0.4266 43 1 3.5935 1.8394 2.6592 44 1 2.1828 2.7665 2.0943 45 1 2.8022 3.5298 4.6034 46 1 3.0593 6.8288 6.3052 47 1 1.9140 5.4777 5.9004 48 1 4.6710 6.2664 8.2557 49 1 3.0832 5.6760 8.8024 50 1 4.8821 3.4990 8.7794 51 1 6.3573 1.8257 11.2594 52 1 5.4825 4.0958 5.7662 53 1 5.5737 5.8551 6.2107 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 ZINC001755474397.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 06:11:37 Heat of formation + Delta-G solvation = -110.218449 kcal Electronic energy + Delta-G solvation = -30101.803766 eV Core-core repulsion = 25974.062076 eV Total energy + Delta-G solvation = -4127.741689 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.04 seconds Orbital eigenvalues (eV) -40.67736 -39.83650 -38.32834 -37.45989 -34.67096 -34.39519 -33.15224 -31.74779 -30.91282 -30.27036 -29.00360 -26.75703 -25.50142 -24.38253 -23.70158 -23.29021 -22.96127 -21.44124 -20.83813 -20.15141 -19.06453 -17.37614 -17.06379 -16.98345 -16.68399 -16.10127 -16.09246 -15.83468 -15.30027 -15.03182 -14.82600 -14.63341 -14.32802 -14.07777 -13.93828 -13.56120 -13.29411 -13.11632 -12.95764 -12.81958 -12.64353 -12.54601 -12.34135 -12.13231 -12.03844 -11.79118 -11.60314 -11.54699 -11.27252 -11.06140 -10.95899 -10.85135 -10.59756 -10.47169 -10.32599 -10.27174 -10.08088 -9.86129 -9.81849 -9.61139 -9.35375 -8.98125 -8.84738 -6.90451 -5.76602 -3.04580 2.56477 3.06733 3.23279 3.42887 3.48505 3.50782 3.69186 4.27861 4.35624 4.48885 4.56006 4.57889 4.68179 4.70802 4.81530 4.82210 4.87629 4.99802 5.00336 5.04636 5.10905 5.12764 5.14877 5.16509 5.23801 5.34715 5.40725 5.48910 5.57313 5.57942 5.63189 5.73197 5.74653 5.79505 5.87343 5.93667 5.95209 6.01698 6.10417 6.15088 6.24667 6.32988 6.42513 6.64631 6.78354 6.78840 6.93945 7.03445 7.46091 7.70576 8.17630 8.42789 9.53801 10.13065 10.47489 11.46530 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.017099 B = 0.001868 C = 0.001788 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1637.097211 B =14981.875256 C =15653.693716 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.151 4.151 2 C 0.055 3.945 3 O -0.366 6.366 4 C 0.059 3.941 5 H 0.070 0.930 6 C 0.042 3.958 7 O -0.375 6.375 8 C 0.061 3.939 9 C -0.151 4.151 10 C -0.067 4.067 11 H 0.091 0.909 12 C -0.133 4.133 13 C 0.516 3.484 14 O -0.541 6.541 15 N -0.710 5.710 16 C 0.115 3.885 17 H 0.098 0.902 18 C -0.138 4.138 19 C -0.113 4.113 20 H 0.087 0.913 21 C 0.162 3.838 22 N -0.732 5.732 23 C -0.237 4.237 24 H 0.070 0.930 25 C -0.017 4.017 26 N -0.934 5.934 27 Si 0.907 3.093 28 H -0.280 1.280 29 H -0.292 1.292 30 H -0.292 1.292 31 C -0.138 4.138 32 H 0.069 0.931 33 H 0.063 0.937 34 H 0.063 0.937 35 H 0.045 0.955 36 H 0.048 0.952 37 H 0.092 0.908 38 H 0.059 0.941 39 H 0.093 0.907 40 H 0.049 0.951 41 H 0.073 0.927 42 H 0.093 0.907 43 H 0.092 0.908 44 H 0.102 0.898 45 H 0.401 0.599 46 H 0.094 0.906 47 H 0.068 0.932 48 H 0.020 0.980 49 H 0.018 0.982 50 H 0.383 0.617 51 H 0.254 0.746 52 H 0.067 0.933 53 H 0.089 0.911 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.214 -3.102 -26.693 28.409 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 -0.208 4.208 2 C -0.022 4.022 3 O -0.285 6.285 4 C 0.000 4.000 5 H 0.088 0.912 6 C -0.035 4.035 7 O -0.293 6.293 8 C -0.015 4.015 9 C -0.188 4.188 10 C -0.085 4.085 11 H 0.109 0.891 12 C -0.173 4.173 13 C 0.303 3.697 14 O -0.419 6.419 15 N -0.360 5.360 16 C 0.010 3.990 17 H 0.116 0.884 18 C -0.177 4.177 19 C -0.132 4.132 20 H 0.105 0.895 21 C 0.034 3.966 22 N -0.376 5.376 23 C -0.368 4.368 24 H 0.088 0.912 25 C -0.212 4.212 26 N -0.584 5.584 27 Si 0.738 3.262 28 H -0.206 1.206 29 H -0.219 1.219 30 H -0.219 1.219 31 C -0.177 4.177 32 H 0.088 0.912 33 H 0.082 0.918 34 H 0.082 0.918 35 H 0.064 0.936 36 H 0.066 0.934 37 H 0.110 0.890 38 H 0.077 0.923 39 H 0.111 0.889 40 H 0.067 0.933 41 H 0.092 0.908 42 H 0.111 0.889 43 H 0.110 0.890 44 H 0.120 0.880 45 H 0.236 0.764 46 H 0.112 0.888 47 H 0.087 0.913 48 H 0.038 0.962 49 H 0.036 0.964 50 H 0.216 0.784 51 H 0.064 0.936 52 H 0.086 0.914 53 H 0.108 0.892 Dipole moment (debyes) X Y Z Total from point charges -8.909 -2.276 -27.094 28.612 hybrid contribution 0.447 -0.853 1.556 1.830 sum -8.462 -3.129 -25.538 27.085 Atomic orbital electron populations 1.21722 0.93673 1.02173 1.03204 1.22524 0.95759 0.84105 0.99821 1.87988 1.19761 1.25870 1.94927 1.22819 0.82593 0.98365 0.96193 0.91185 1.23025 0.97769 0.89628 0.93078 1.87940 1.74027 1.13637 1.53701 1.22606 0.98749 0.86426 0.93747 1.22287 1.01761 0.99350 0.95410 1.21034 1.00807 0.93903 0.92802 0.89128 1.21651 1.03351 0.96809 0.95509 1.20656 0.80287 0.87258 0.81509 1.90653 1.36443 1.47198 1.67592 1.45735 1.50804 1.26559 1.12933 1.21927 0.96201 0.88238 0.92617 0.88371 1.23311 0.98336 1.00896 0.95158 1.22750 0.96115 0.99154 0.95131 0.89485 1.20645 0.95182 0.92306 0.88427 1.42355 1.71058 1.13376 1.10803 1.19298 1.31280 0.97983 0.88286 0.91171 1.24748 1.01842 0.96126 0.98502 1.69673 1.48073 1.04495 1.36110 0.86113 0.77851 0.77333 0.84902 1.20563 1.21901 1.21886 1.23405 0.96670 1.02565 0.95069 0.91233 0.91817 0.91825 0.93625 0.93416 0.88979 0.92307 0.88935 0.93279 0.90818 0.88869 0.88992 0.88005 0.76427 0.88789 0.91301 0.96213 0.96412 0.78367 0.93625 0.91423 0.89207 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 -0.15 -0.91 10.28 37.16 0.38 -0.53 16 2 C 0.05 0.36 6.47 37.16 0.24 0.60 16 3 O -0.37 -3.22 8.70 -42.72 -0.37 -3.60 16 4 C 0.06 0.46 2.43 -26.59 -0.06 0.39 16 5 H 0.07 0.44 7.79 -51.93 -0.40 0.04 16 6 C 0.04 0.34 6.49 37.21 0.24 0.58 16 7 O -0.37 -3.89 10.69 -42.72 -0.46 -4.35 16 8 C 0.06 0.56 6.84 37.20 0.25 0.82 16 9 C -0.15 -1.48 4.96 -26.59 -0.13 -1.61 16 10 C -0.07 -0.60 1.76 -90.44 -0.16 -0.76 16 11 H 0.09 0.87 7.96 -51.93 -0.41 0.46 16 12 C -0.13 -1.15 4.94 -27.89 -0.14 -1.29 16 13 C 0.52 5.95 7.57 -10.99 -0.08 5.87 16 14 O -0.54 -7.94 13.58 5.56 0.08 -7.86 16 15 N -0.71 -7.74 5.26 -53.02 -0.28 -8.02 16 16 C 0.12 1.44 4.32 -67.12 -0.29 1.15 16 17 H 0.10 1.30 7.47 -51.93 -0.39 0.91 16 18 C -0.14 -1.66 7.39 -25.92 -0.19 -1.85 16 19 C -0.11 -1.73 3.63 -89.81 -0.33 -2.05 16 20 H 0.09 1.35 8.14 -51.93 -0.42 0.93 16 21 C 0.16 3.21 6.10 -4.04 -0.02 3.19 16 22 N -0.73 -18.60 5.60 -59.90 -0.34 -18.94 16 23 C -0.24 -6.70 9.99 -15.06 -0.15 -6.85 16 24 H 0.07 1.93 7.83 -52.49 -0.41 1.52 16 25 C -0.02 -0.48 5.50 -17.43 -0.10 -0.58 16 26 N -0.93 -28.42 13.06 55.49 0.72 -27.69 16 27 Si 0.91 22.54 29.55 -169.99 -5.02 17.52 16 28 H -0.28 -6.75 7.11 56.52 0.40 -6.34 16 29 H -0.29 -7.27 7.11 56.52 0.40 -6.86 16 30 H -0.29 -7.29 7.11 56.52 0.40 -6.88 16 31 C -0.14 -2.04 7.43 -25.92 -0.19 -2.24 16 32 H 0.07 0.31 8.14 -51.93 -0.42 -0.11 16 33 H 0.06 0.40 8.14 -51.93 -0.42 -0.02 16 34 H 0.06 0.42 8.14 -51.93 -0.42 0.00 16 35 H 0.05 0.27 7.86 -51.93 -0.41 -0.14 16 36 H 0.05 0.28 8.09 -51.93 -0.42 -0.14 16 37 H 0.09 0.62 7.86 -51.93 -0.41 0.21 16 38 H 0.06 0.40 8.14 -51.93 -0.42 -0.02 16 39 H 0.09 0.76 8.14 -51.93 -0.42 0.33 16 40 H 0.05 0.42 8.14 -51.93 -0.42 0.00 16 41 H 0.07 0.78 7.83 -51.93 -0.41 0.37 16 42 H 0.09 1.06 6.03 -51.93 -0.31 0.74 16 43 H 0.09 0.67 8.14 -51.93 -0.42 0.25 16 44 H 0.10 0.83 7.76 -51.92 -0.40 0.43 16 45 H 0.40 3.61 8.70 -40.82 -0.36 3.26 16 46 H 0.09 1.08 8.10 -51.93 -0.42 0.66 16 47 H 0.07 0.74 8.14 -51.93 -0.42 0.31 16 48 H 0.02 0.40 7.84 -51.92 -0.41 -0.01 16 49 H 0.02 0.36 8.14 -51.93 -0.42 -0.06 16 50 H 0.38 10.21 7.67 -40.82 -0.31 9.90 16 51 H 0.25 7.44 8.31 -40.82 -0.34 7.10 16 52 H 0.07 1.07 8.14 -51.93 -0.42 0.65 16 53 H 0.09 1.36 7.90 -51.93 -0.41 0.95 16 LS Contribution 418.44 15.07 6.31 6.31 Total: -1.00 -33.58 418.44 -9.76 -43.34 By element: Atomic # 1 Polarization: 18.11 SS G_CDS: -9.67 Total: 8.44 kcal Atomic # 6 Polarization: -4.42 SS G_CDS: -0.73 Total: -5.15 kcal Atomic # 7 Polarization: -54.76 SS G_CDS: 0.11 Total: -54.65 kcal Atomic # 8 Polarization: -15.05 SS G_CDS: -0.75 Total: -15.81 kcal Atomic # 14 Polarization: 22.54 SS G_CDS: -5.02 Total: 17.52 kcal Total LS contribution 6.31 Total: 6.31 kcal Total: -33.58 -9.76 -43.34 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. ZINC001755474397.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 -66.876 kcal (2) G-P(sol) polarization free energy of solvation -33.585 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -100.461 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.758 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.343 kcal (6) G-S(sol) free energy of system = (1) + (5) -110.218 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.04 seconds