Wall clock time and date at job start Sat Apr 11 2020 06:10:34 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 1.52996 * 1 3 3 O 1.42893 * 109.47390 * 2 1 4 4 C 1.42898 * 114.00194 * 184.68202 * 3 2 1 5 5 H 1.08997 * 109.47457 * 340.43916 * 4 3 2 6 6 C 1.50705 * 109.47101 * 220.44156 * 4 3 2 7 7 O 1.21280 * 119.99793 * 352.45867 * 6 4 3 8 8 N 1.34780 * 119.99954 * 172.46358 * 6 4 3 9 9 C 1.47481 * 125.66343 * 354.80053 * 8 6 4 10 10 C 1.55249 * 104.78044 * 155.91655 * 9 8 6 11 11 C 1.54511 * 101.43076 * 36.67706 * 10 9 8 12 12 C 1.47185 * 125.65764 * 175.11153 * 8 6 4 13 13 C 1.52517 * 110.06290 * 206.73835 * 11 10 9 14 14 N 1.47308 * 108.40848 * 287.85384 * 13 11 10 15 15 C 1.36939 * 121.06097 * 130.60770 * 14 13 11 16 16 H 1.07997 * 120.00107 * 211.10606 * 15 14 13 17 17 C 1.38810 * 119.99965 * 31.10859 * 15 14 13 18 18 N 1.31624 * 120.00301 * 8.38516 * 17 15 14 19 19 Si 1.86800 * 120.00041 * 188.38500 * 17 15 14 20 20 H 1.48510 * 109.46856 * 89.99969 * 19 17 15 21 21 H 1.48497 * 109.47360 * 209.99639 * 19 17 15 22 22 H 1.48504 * 109.47206 * 330.00313 * 19 17 15 23 23 C 1.47156 * 117.87657 * 310.62411 * 14 13 11 24 24 C 1.53290 * 108.53939 * 51.14030 * 23 14 13 25 25 O 1.42069 * 110.33840 * 83.74843 * 11 10 9 26 26 C 1.52999 * 109.47145 * 100.44371 * 4 3 2 27 27 C 1.52998 * 109.46814 * 293.74479 * 26 4 3 28 28 C 1.52994 * 109.47403 * 53.74616 * 26 4 3 29 29 H 1.08994 * 109.47318 * 60.00231 * 1 2 3 30 30 H 1.09008 * 109.47032 * 180.02562 * 1 2 3 31 31 H 1.08998 * 109.47244 * 299.99837 * 1 2 3 32 32 H 1.09002 * 109.47464 * 239.99448 * 2 1 3 33 33 H 1.09005 * 109.47412 * 120.00251 * 2 1 3 34 34 H 1.08998 * 110.34928 * 274.86854 * 9 8 6 35 35 H 1.08999 * 110.34882 * 37.15927 * 9 8 6 36 36 H 1.09007 * 111.21778 * 278.58466 * 10 9 8 37 37 H 1.08999 * 110.94435 * 154.65007 * 10 9 8 38 38 H 1.09003 * 109.91302 * 300.83959 * 12 8 6 39 39 H 1.09001 * 109.91170 * 61.92375 * 12 8 6 40 40 H 1.08999 * 109.67534 * 47.58267 * 13 11 10 41 41 H 1.08996 * 109.68053 * 168.12229 * 13 11 10 42 42 H 0.97002 * 120.00119 * 179.97438 * 18 17 15 43 43 H 1.08997 * 109.62874 * 291.42657 * 23 14 13 44 44 H 1.09002 * 109.78353 * 170.94920 * 23 14 13 45 45 H 1.08995 * 109.51137 * 187.15579 * 24 23 14 46 46 H 1.09007 * 109.50980 * 67.00314 * 24 23 14 47 47 H 1.09007 * 109.47108 * 173.75035 * 26 4 3 48 48 H 1.09000 * 109.47101 * 185.92688 * 27 26 4 49 49 H 1.08998 * 109.47505 * 305.92392 * 27 26 4 50 50 H 1.08994 * 109.47253 * 65.92757 * 27 26 4 51 51 H 1.08998 * 109.47321 * 60.00313 * 28 26 4 52 52 H 1.09003 * 109.47279 * 180.02562 * 28 26 4 53 53 H 1.08996 * 109.47073 * 299.99843 * 28 26 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 1.5300 0.0000 0.0000 3 8 2.0063 1.3472 0.0000 4 6 3.4267 1.4615 -0.1066 5 1 3.8896 0.5163 0.1771 6 6 3.9130 2.5541 0.8105 7 8 3.1146 3.2642 1.3842 8 7 5.2351 2.7420 0.9929 9 6 6.3081 1.8897 0.4476 10 6 7.5555 2.8121 0.3892 11 6 7.3710 3.6581 1.6689 12 6 5.8475 3.8284 1.7748 13 6 8.0510 5.0132 1.5029 14 7 9.5093 4.8111 1.5534 15 6 10.3306 5.3485 0.5985 16 1 11.2442 4.8418 0.3248 17 6 9.9888 6.5444 -0.0178 18 7 8.9673 7.2454 0.4267 19 14 10.9784 7.1589 -1.4781 20 1 10.3879 6.6302 -2.7340 21 1 10.9513 8.6433 -1.5050 22 1 12.3827 6.6914 -1.3563 23 6 10.0553 4.0130 2.6627 24 6 9.2853 2.6896 2.7361 25 8 7.8822 2.9637 2.7979 26 6 3.8042 1.8014 -1.5498 27 6 3.4507 0.6237 -2.4602 28 6 3.0325 3.0434 -1.9998 29 1 -0.3633 0.5138 -0.8899 30 1 -0.3633 -1.0277 0.0005 31 1 -0.3633 0.5138 0.8900 32 1 1.8934 -0.5139 -0.8899 33 1 1.8934 -0.5139 0.8900 34 1 6.4910 1.0418 1.1077 35 1 6.0460 1.5435 -0.5521 36 1 7.5396 3.4412 -0.5009 37 1 8.4746 2.2280 0.4360 38 1 5.5524 4.7937 1.3635 39 1 5.5348 3.7577 2.8166 40 1 7.7738 5.4477 0.5425 41 1 7.7446 5.6790 2.3096 42 1 8.7287 8.0813 -0.0037 43 1 9.9364 4.5581 3.5991 44 1 11.1123 3.8124 2.4876 45 1 9.5887 2.1409 3.6276 46 1 9.5011 2.0932 1.8495 47 1 4.8749 1.9976 -1.6087 48 1 3.8143 0.8220 -3.4684 49 1 3.9173 -0.2841 -2.0777 50 1 2.3688 0.4941 -2.4831 51 1 3.2844 3.8825 -1.3512 52 1 3.3011 3.2853 -3.0281 53 1 1.9620 2.8472 -1.9409 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 ZINC001330162813.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 06:10:34 Heat of formation + Delta-G solvation = -95.310495 kcal Electronic energy + Delta-G solvation = -32460.037525 eV Core-core repulsion = 28332.942293 eV Total energy + Delta-G solvation = -4127.095232 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.24 seconds Orbital eigenvalues (eV) -40.54431 -39.31945 -37.78631 -36.06277 -34.93182 -34.46410 -31.56440 -31.36063 -31.22996 -29.53629 -28.05742 -27.34348 -26.98685 -25.20116 -23.63683 -22.94833 -22.72582 -21.40312 -20.72941 -19.42020 -18.80637 -17.26848 -17.03324 -16.87152 -16.27844 -15.87655 -15.45245 -14.99502 -14.96018 -14.60096 -14.43788 -14.30011 -14.07160 -13.65025 -13.42283 -13.31214 -12.92659 -12.79465 -12.73443 -12.65358 -12.45255 -12.25117 -12.23267 -12.14964 -12.07125 -11.53527 -11.37220 -11.28943 -11.13067 -11.09941 -11.01040 -10.91679 -10.77692 -10.64581 -10.30275 -10.26714 -10.04797 -9.94110 -9.57318 -9.32043 -9.02049 -8.59445 -8.44751 -6.71634 -5.88001 -3.38210 2.71748 2.80941 3.30293 3.37371 3.39033 3.72895 4.19062 4.37620 4.42960 4.53165 4.67184 4.80478 4.83147 4.92125 4.96824 5.06911 5.12811 5.19201 5.24082 5.33759 5.37394 5.42797 5.43895 5.50712 5.59814 5.66379 5.68449 5.71924 5.76911 5.80359 5.83601 5.91394 5.93643 5.97188 6.05668 6.13479 6.14347 6.26507 6.31909 6.33218 6.44950 6.48876 6.61341 6.77333 6.97433 7.04766 7.44655 7.66595 7.67471 7.89673 8.31845 8.32705 9.07968 9.68534 10.28534 11.19872 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.015290 B = 0.003197 C = 0.002914 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1830.871242 B = 8756.302056 C = 9607.146370 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.150 4.150 2 C 0.049 3.951 3 O -0.350 6.350 4 C 0.085 3.915 5 H 0.082 0.918 6 C 0.526 3.474 7 O -0.523 6.523 8 N -0.612 5.612 9 C 0.093 3.907 10 C -0.143 4.143 11 C 0.085 3.915 12 C 0.128 3.872 13 C 0.165 3.835 14 N -0.592 5.592 15 C -0.255 4.255 16 H 0.067 0.933 17 C 0.007 3.993 18 N -0.904 5.904 19 Si 0.905 3.095 20 H -0.286 1.286 21 H -0.290 1.290 22 H -0.279 1.279 23 C 0.109 3.891 24 C 0.046 3.954 25 O -0.377 6.377 26 C -0.114 4.114 27 C -0.148 4.148 28 C -0.141 4.141 29 H 0.063 0.937 30 H 0.069 0.931 31 H 0.064 0.936 32 H 0.053 0.947 33 H 0.047 0.953 34 H 0.068 0.932 35 H 0.075 0.925 36 H 0.087 0.913 37 H 0.088 0.912 38 H 0.085 0.915 39 H 0.075 0.925 40 H 0.097 0.903 41 H 0.030 0.970 42 H 0.256 0.744 43 H 0.026 0.974 44 H 0.062 0.938 45 H 0.082 0.918 46 H 0.047 0.953 47 H 0.089 0.911 48 H 0.062 0.938 49 H 0.053 0.947 50 H 0.061 0.939 51 H 0.056 0.944 52 H 0.055 0.945 53 H 0.064 0.936 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.801 -16.563 -3.621 19.583 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 -0.207 4.207 2 C -0.027 4.027 3 O -0.268 6.268 4 C 0.023 3.977 5 H 0.100 0.900 6 C 0.313 3.687 7 O -0.398 6.398 8 N -0.348 5.348 9 C -0.030 4.030 10 C -0.181 4.181 11 C 0.043 3.957 12 C 0.005 3.995 13 C 0.039 3.961 14 N -0.316 5.316 15 C -0.384 4.384 16 H 0.084 0.916 17 C -0.192 4.192 18 N -0.547 5.547 19 Si 0.735 3.265 20 H -0.213 1.213 21 H -0.216 1.216 22 H -0.204 1.204 23 C -0.018 4.018 24 C -0.032 4.032 25 O -0.296 6.296 26 C -0.132 4.132 27 C -0.205 4.205 28 C -0.198 4.198 29 H 0.082 0.918 30 H 0.088 0.912 31 H 0.083 0.917 32 H 0.072 0.928 33 H 0.065 0.935 34 H 0.086 0.914 35 H 0.093 0.907 36 H 0.106 0.894 37 H 0.106 0.894 38 H 0.103 0.897 39 H 0.093 0.907 40 H 0.115 0.885 41 H 0.048 0.952 42 H 0.067 0.933 43 H 0.044 0.956 44 H 0.081 0.919 45 H 0.100 0.900 46 H 0.065 0.935 47 H 0.107 0.893 48 H 0.081 0.919 49 H 0.072 0.928 50 H 0.080 0.920 51 H 0.075 0.925 52 H 0.074 0.926 53 H 0.083 0.917 Dipole moment (debyes) X Y Z Total from point charges -10.623 -15.901 -3.218 19.391 hybrid contribution 1.006 0.185 -0.876 1.346 sum -9.617 -15.716 -4.094 18.874 Atomic orbital electron populations 1.21715 0.93546 1.02047 1.03378 1.22708 0.95910 0.83978 1.00146 1.88037 1.18595 1.25881 1.94326 1.21901 0.83679 0.97530 0.94588 0.90033 1.20073 0.80781 0.85611 0.82214 1.90709 1.53470 1.47307 1.48352 1.48523 1.04629 1.29607 1.52048 1.22641 0.87702 0.94222 0.98411 1.23216 0.96644 0.98398 0.99828 1.22675 0.91834 0.95827 0.85326 1.21785 0.90790 0.90334 0.96554 1.21197 0.83142 0.88984 1.02756 1.44000 1.01519 1.60517 1.25563 1.19129 1.04335 1.01500 1.13483 0.91569 1.25211 0.98368 0.95511 1.00117 1.69940 1.28882 1.14797 1.41107 0.86250 0.79836 0.78000 0.82399 1.21329 1.21574 1.20395 1.21599 0.96705 0.91381 0.92068 1.23108 0.81630 0.97976 1.00467 1.87675 1.23305 1.76953 1.41710 1.21661 1.01439 0.97343 0.92803 1.21915 1.02012 0.97000 0.99582 1.21697 1.00907 0.96470 1.00744 0.91818 0.91192 0.91660 0.92847 0.93498 0.91388 0.90661 0.89393 0.89380 0.89671 0.90699 0.88492 0.95216 0.93342 0.95576 0.91933 0.89981 0.93451 0.89293 0.91935 0.92760 0.92003 0.92467 0.92623 0.91652 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 -0.15 -1.22 10.28 37.16 0.38 -0.84 16 2 C 0.05 0.46 6.05 37.16 0.22 0.69 16 3 O -0.35 -4.64 8.42 -55.03 -0.46 -5.10 16 4 C 0.08 1.06 1.70 -27.88 -0.05 1.02 16 5 H 0.08 0.85 7.59 -51.93 -0.39 0.46 16 6 C 0.53 8.66 6.23 -10.98 -0.07 8.59 16 7 O -0.52 -10.71 16.85 -14.24 -0.24 -10.95 16 8 N -0.61 -9.70 3.33 -170.53 -0.57 -10.27 16 9 C 0.09 1.23 6.47 -2.31 -0.01 1.22 16 10 C -0.14 -2.29 5.93 -24.75 -0.15 -2.44 16 11 C 0.09 1.58 0.83 -89.73 -0.07 1.51 16 12 C 0.13 2.30 6.24 -3.32 -0.02 2.28 16 13 C 0.17 3.78 3.87 -3.85 -0.01 3.77 16 14 N -0.59 -14.06 2.93 -172.18 -0.51 -14.56 16 15 C -0.26 -6.59 9.65 -15.06 -0.15 -6.74 16 16 H 0.07 1.68 7.84 -52.49 -0.41 1.26 16 17 C 0.01 0.19 5.12 -17.43 -0.09 0.10 16 18 N -0.90 -25.24 11.02 55.49 0.61 -24.63 16 19 Si 0.91 20.85 29.56 -169.99 -5.03 15.82 16 20 H -0.29 -6.54 7.11 56.52 0.40 -6.14 16 21 H -0.29 -6.82 7.11 56.52 0.40 -6.41 16 22 H -0.28 -6.29 7.11 56.52 0.40 -5.89 16 23 C 0.11 2.18 6.71 -3.53 -0.02 2.15 16 24 C 0.05 0.77 6.76 37.31 0.25 1.02 16 25 O -0.38 -7.02 10.22 -35.23 -0.36 -7.38 16 26 C -0.11 -1.24 2.52 -90.62 -0.23 -1.47 16 27 C -0.15 -1.22 8.01 37.16 0.30 -0.93 16 28 C -0.14 -1.73 8.81 37.15 0.33 -1.40 16 29 H 0.06 0.52 8.14 -51.93 -0.42 0.09 16 30 H 0.07 0.41 8.14 -51.92 -0.42 -0.01 16 31 H 0.06 0.59 8.14 -51.93 -0.42 0.17 16 32 H 0.05 0.41 5.96 -51.93 -0.31 0.10 16 33 H 0.05 0.42 8.14 -51.93 -0.42 0.00 16 34 H 0.07 0.85 8.14 -51.93 -0.42 0.42 16 35 H 0.08 0.82 5.19 -51.93 -0.27 0.55 16 36 H 0.09 1.51 7.86 -51.92 -0.41 1.11 16 37 H 0.09 1.39 5.98 -51.93 -0.31 1.08 16 38 H 0.09 1.61 7.79 -51.93 -0.40 1.21 16 39 H 0.07 1.40 8.07 -51.93 -0.42 0.98 16 40 H 0.10 2.44 6.11 -51.93 -0.32 2.13 16 41 H 0.03 0.75 8.14 -51.93 -0.42 0.33 16 42 H 0.26 6.98 8.31 -40.82 -0.34 6.65 16 43 H 0.03 0.55 8.14 -51.93 -0.42 0.13 16 44 H 0.06 1.18 7.97 -51.93 -0.41 0.77 16 45 H 0.08 1.16 8.14 -51.93 -0.42 0.74 16 46 H 0.05 0.76 6.14 -51.93 -0.32 0.44 16 47 H 0.09 0.97 5.49 -51.93 -0.28 0.68 16 48 H 0.06 0.48 8.14 -51.93 -0.42 0.05 16 49 H 0.05 0.38 8.14 -51.93 -0.42 -0.04 16 50 H 0.06 0.51 6.72 -51.93 -0.35 0.16 16 51 H 0.06 0.84 7.42 -51.93 -0.39 0.46 16 52 H 0.05 0.60 8.14 -51.93 -0.42 0.18 16 53 H 0.06 0.82 7.53 -51.93 -0.39 0.42 16 LS Contribution 400.35 15.07 6.03 6.03 Total: -1.00 -31.37 400.35 -9.08 -40.45 By element: Atomic # 1 Polarization: 11.23 SS G_CDS: -9.17 Total: 2.05 kcal Atomic # 6 Polarization: 7.92 SS G_CDS: 0.61 Total: 8.53 kcal Atomic # 7 Polarization: -48.99 SS G_CDS: -0.46 Total: -49.45 kcal Atomic # 8 Polarization: -22.37 SS G_CDS: -1.06 Total: -23.44 kcal Atomic # 14 Polarization: 20.85 SS G_CDS: -5.03 Total: 15.82 kcal Total LS contribution 6.03 Total: 6.03 kcal Total: -31.37 -9.08 -40.45 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. ZINC001330162813.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 -54.859 kcal (2) G-P(sol) polarization free energy of solvation -31.374 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -86.233 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.077 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.451 kcal (6) G-S(sol) free energy of system = (1) + (5) -95.310 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.24 seconds