Wall clock time and date at job start Tue Mar 31 2020 23:54:54 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 O 1.42894 * 1 3 3 C 1.42903 * 113.99882 * 2 1 4 4 C 1.52995 * 109.47265 * 180.02562 * 3 2 1 5 5 C 1.53005 * 109.47261 * 185.36647 * 4 3 2 6 6 N 1.46503 * 109.45939 * 59.11533 * 5 4 3 7 7 C 1.34775 * 120.00074 * 63.63444 * 6 5 4 8 8 O 1.21280 * 119.99906 * 355.05394 * 7 6 5 9 9 C 1.50703 * 119.99754 * 175.06225 * 7 6 5 10 10 H 1.08993 * 110.45678 * 59.29719 * 9 7 6 11 11 C 1.54480 * 110.50659 * 296.68930 * 9 7 6 12 12 O 1.44644 * 104.69326 * 217.47558 * 11 9 7 13 13 C 1.44425 * 105.37212 * 40.34968 * 12 11 9 14 14 H 1.09002 * 110.37019 * 78.39099 * 13 12 11 15 15 C 1.52995 * 110.47098 * 200.68449 * 13 12 11 16 16 C 1.54486 * 104.80307 * 319.56708 * 13 12 11 17 17 C 1.53040 * 109.44942 * 299.14615 * 5 4 3 18 18 C 1.53188 * 109.31371 * 178.61766 * 17 5 4 19 19 N 1.46926 * 108.77161 * 54.64035 * 18 17 5 20 20 C 1.36935 * 120.63371 * 126.41380 * 19 18 17 21 21 H 1.07993 * 120.00360 * 212.46404 * 20 19 18 22 22 C 1.38816 * 119.99766 * 32.45890 * 20 19 18 23 23 N 1.31619 * 120.00208 * 10.76276 * 22 20 19 24 24 Si 1.86801 * 119.99946 * 190.76107 * 22 20 19 25 25 H 1.48492 * 109.47292 * 60.00125 * 24 22 20 26 26 H 1.48495 * 109.47030 * 180.02562 * 24 22 20 27 27 H 1.48500 * 109.47082 * 299.99841 * 24 22 20 28 28 C 1.46927 * 118.73907 * 306.38868 * 19 18 17 29 29 C 1.53037 * 109.45903 * 179.08677 * 5 4 3 30 30 H 1.08991 * 109.47565 * 59.99329 * 1 2 3 31 31 H 1.09005 * 109.46856 * 179.97438 * 1 2 3 32 32 H 1.08999 * 109.46792 * 299.98803 * 1 2 3 33 33 H 1.09004 * 109.46853 * 60.00688 * 3 2 1 34 34 H 1.08994 * 109.47383 * 300.00884 * 3 2 1 35 35 H 1.09003 * 109.47298 * 65.36503 * 4 3 2 36 36 H 1.09008 * 109.47144 * 305.36468 * 4 3 2 37 37 H 0.96998 * 119.99433 * 243.63611 * 6 5 4 38 38 H 1.08991 * 110.37333 * 336.20912 * 11 9 7 39 39 H 1.09001 * 110.36991 * 98.55426 * 11 9 7 40 40 H 1.09003 * 109.47342 * 175.43741 * 15 13 12 41 41 H 1.08997 * 109.47031 * 295.43380 * 15 13 12 42 42 H 1.08996 * 109.47001 * 55.43795 * 15 13 12 43 43 H 1.09002 * 110.50683 * 265.33060 * 16 13 12 44 44 H 1.08994 * 110.63265 * 142.67997 * 16 13 12 45 45 H 1.09009 * 109.49110 * 58.67016 * 17 5 4 46 46 H 1.08997 * 109.49439 * 298.57760 * 17 5 4 47 47 H 1.08998 * 109.59168 * 294.85346 * 18 17 5 48 48 H 1.09000 * 109.58614 * 174.42207 * 18 17 5 49 49 H 0.97001 * 120.00306 * 179.97438 * 23 22 20 50 50 H 1.09002 * 109.58831 * 173.40292 * 28 19 18 51 51 H 1.09006 * 109.58851 * 293.82242 * 28 19 18 52 52 H 1.08994 * 109.50132 * 61.42116 * 29 5 4 53 53 H 1.09006 * 109.52912 * 301.33581 * 29 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 8 1.4289 0.0000 0.0000 3 6 2.0102 1.3055 0.0000 4 6 3.5353 1.1848 -0.0006 5 6 4.1572 2.5762 0.1343 6 7 3.6994 3.1967 1.3800 7 6 4.0245 2.6458 2.5663 8 8 4.6186 1.5891 2.6018 9 6 3.6494 3.3429 3.8487 10 1 2.5691 3.4742 3.9090 11 6 4.3673 4.7068 3.9533 12 8 4.7041 4.8377 5.3538 13 6 5.1394 3.5241 5.7673 14 1 6.1622 3.3420 5.4375 15 6 5.0374 3.3804 7.2871 16 6 4.1672 2.5480 5.0683 17 6 3.7309 3.4422 -1.0534 18 6 4.3270 4.8447 -0.8975 19 7 5.7817 4.7243 -0.7299 20 6 6.6375 5.4194 -1.5420 21 1 7.5963 4.9970 -1.8036 22 6 6.2725 6.6670 -2.0290 23 7 5.2086 7.2754 -1.5491 24 14 7.2913 7.4825 -3.3656 25 1 7.3084 6.6173 -4.5723 26 1 6.6957 8.7989 -3.7082 27 1 8.6801 7.6799 -2.8783 28 6 6.3007 3.8443 0.3260 29 6 5.6824 2.4530 0.1565 30 1 -0.3634 0.5139 -0.8898 31 1 -0.3633 -1.0277 -0.0005 32 1 -0.3633 0.5137 0.8901 33 1 1.6886 1.8463 0.8901 34 1 1.6884 1.8465 -0.8898 35 1 3.8634 0.7292 -0.9350 36 1 3.8510 0.5630 0.8372 37 1 3.1624 4.0039 1.3509 38 1 5.2714 4.7074 3.3445 39 1 3.7001 5.5114 3.6443 40 1 5.2917 2.3599 7.5735 41 1 5.7285 4.0747 7.7649 42 1 4.0193 3.6041 7.6056 43 1 3.3431 2.2885 5.7329 44 1 4.6922 1.6496 4.7438 45 1 2.6434 3.5102 -1.0822 46 1 4.0925 2.9939 -1.9787 47 1 3.8970 5.3292 -0.0208 48 1 4.1094 5.4352 -1.7875 49 1 4.9537 8.1474 -1.8892 50 1 7.3854 3.7748 0.2435 51 1 6.0317 4.2472 1.3025 52 1 6.0257 2.0141 -0.7803 53 1 5.9845 1.8169 0.9885 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 ZINC001151198731.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 23:54:54 Heat of formation + Delta-G solvation = -112.109287 kcal Electronic energy + Delta-G solvation = -32664.038320 eV Core-core repulsion = 28536.214638 eV Total energy + Delta-G solvation = -4127.823682 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.21 seconds Orbital eigenvalues (eV) -40.73109 -39.24063 -37.76870 -37.17713 -34.59345 -32.68818 -32.22357 -31.66009 -31.01685 -30.01483 -28.94058 -26.56273 -26.04876 -24.87850 -23.49372 -23.10859 -22.13647 -21.44126 -20.52802 -19.83371 -18.77562 -17.60686 -16.88380 -16.45538 -16.06862 -15.81366 -15.65490 -15.33165 -15.09848 -14.81537 -14.69590 -14.33597 -13.97686 -13.70789 -13.48603 -13.38377 -13.07809 -12.91774 -12.74618 -12.54264 -12.39228 -12.20024 -12.04969 -11.72975 -11.55287 -11.39964 -11.30014 -11.15763 -11.02932 -10.93742 -10.90141 -10.81837 -10.73678 -10.40615 -10.34071 -9.96890 -9.81351 -9.77545 -9.76899 -9.49504 -9.12281 -8.69341 -8.51448 -6.63321 -5.83596 -3.31092 2.80127 3.34450 3.35919 3.40940 3.42392 3.78215 3.87872 4.40089 4.45888 4.64590 4.81001 4.95224 5.06295 5.11828 5.15417 5.17476 5.25410 5.28643 5.31221 5.34248 5.42655 5.48346 5.50701 5.54378 5.55103 5.59039 5.61624 5.72452 5.76528 5.85688 5.91887 5.99314 6.03440 6.06197 6.15590 6.24964 6.26744 6.36985 6.47070 6.58922 6.62918 6.78295 6.79129 6.90775 7.01304 7.19671 7.24195 7.54282 7.75278 7.81718 8.43986 8.45768 9.18652 9.79559 10.38551 11.24778 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.008138 B = 0.004482 C = 0.003167 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3439.754969 B = 6245.351648 C = 8840.349884 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.033 3.967 2 O -0.394 6.394 3 C 0.066 3.934 4 C -0.128 4.128 5 C 0.194 3.806 6 N -0.709 5.709 7 C 0.525 3.475 8 O -0.535 6.535 9 C -0.147 4.147 10 H 0.103 0.897 11 C 0.059 3.941 12 O -0.371 6.371 13 C 0.068 3.932 14 H 0.070 0.930 15 C -0.145 4.145 16 C -0.139 4.139 17 C -0.150 4.150 18 C 0.175 3.825 19 N -0.589 5.589 20 C -0.253 4.253 21 H 0.062 0.938 22 C 0.007 3.993 23 N -0.905 5.905 24 Si 0.903 3.097 25 H -0.283 1.283 26 H -0.290 1.290 27 H -0.282 1.282 28 C 0.152 3.848 29 C -0.143 4.143 30 H 0.039 0.961 31 H 0.082 0.918 32 H 0.037 0.963 33 H 0.045 0.955 34 H 0.049 0.951 35 H 0.072 0.928 36 H 0.088 0.912 37 H 0.400 0.600 38 H 0.071 0.929 39 H 0.100 0.900 40 H 0.070 0.930 41 H 0.062 0.938 42 H 0.062 0.938 43 H 0.076 0.924 44 H 0.101 0.899 45 H 0.054 0.946 46 H 0.073 0.927 47 H 0.017 0.983 48 H 0.088 0.912 49 H 0.254 0.746 50 H 0.051 0.949 51 H 0.014 0.986 52 H 0.065 0.935 53 H 0.075 0.925 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -8.515 -9.693 10.193 16.443 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 -0.064 4.064 2 O -0.313 6.313 3 C -0.010 4.010 4 C -0.166 4.166 5 C 0.109 3.891 6 N -0.360 5.360 7 C 0.310 3.690 8 O -0.412 6.412 9 C -0.169 4.169 10 H 0.122 0.878 11 C -0.018 4.018 12 O -0.290 6.290 13 C 0.011 3.989 14 H 0.088 0.912 15 C -0.202 4.202 16 C -0.177 4.177 17 C -0.189 4.189 18 C 0.049 3.951 19 N -0.312 5.312 20 C -0.383 4.383 21 H 0.080 0.920 22 C -0.191 4.191 23 N -0.550 5.550 24 Si 0.733 3.267 25 H -0.210 1.210 26 H -0.216 1.216 27 H -0.209 1.209 28 C 0.026 3.974 29 C -0.183 4.183 30 H 0.058 0.942 31 H 0.100 0.900 32 H 0.056 0.944 33 H 0.063 0.937 34 H 0.068 0.932 35 H 0.091 0.909 36 H 0.107 0.893 37 H 0.235 0.765 38 H 0.089 0.911 39 H 0.118 0.882 40 H 0.088 0.912 41 H 0.081 0.919 42 H 0.081 0.919 43 H 0.095 0.905 44 H 0.119 0.881 45 H 0.073 0.927 46 H 0.091 0.909 47 H 0.035 0.965 48 H 0.106 0.894 49 H 0.064 0.936 50 H 0.069 0.931 51 H 0.032 0.968 52 H 0.083 0.917 53 H 0.093 0.907 Dipole moment (debyes) X Y Z Total from point charges -8.022 -10.227 10.283 16.574 hybrid contribution -0.139 1.047 -0.961 1.428 sum -8.161 -9.180 9.322 15.419 Atomic orbital electron populations 1.22687 0.81637 1.02321 0.99764 1.87876 1.19203 1.28791 1.95389 1.22589 0.94641 0.83952 0.99857 1.21973 0.92510 0.98154 1.03988 1.20211 0.94706 0.90810 0.83416 1.46144 1.54519 1.29930 1.05398 1.20133 0.78877 0.85151 0.84800 1.90599 1.41355 1.22238 1.87041 1.22708 1.02751 0.97191 0.94208 0.87845 1.23396 0.99600 0.95173 0.83622 1.89156 1.86071 1.29569 1.24192 1.23015 0.97812 0.82581 0.95509 0.91174 1.21786 1.02816 1.02093 0.93485 1.22990 0.99815 0.99990 0.94888 1.22618 0.99342 1.00405 0.96570 1.20714 0.83371 0.90060 1.00926 1.43958 1.01369 1.50976 1.34875 1.19124 0.99862 0.96797 1.22539 0.92002 1.25148 0.98129 0.95754 1.00108 1.69940 1.26933 1.15007 1.43083 0.86364 0.79871 0.78499 0.81958 1.20988 1.21627 1.20868 1.20843 0.96579 0.88739 0.91280 1.22386 0.93327 1.00269 1.02281 0.94228 0.89978 0.94412 0.93713 0.93240 0.90887 0.89322 0.76490 0.91053 0.88211 0.91152 0.91928 0.91879 0.90510 0.88051 0.92744 0.90871 0.96537 0.89430 0.93585 0.93054 0.96795 0.91661 0.90683 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 0.03 0.33 11.01 101.05 1.11 1.45 16 2 O -0.39 -5.57 10.70 -35.23 -0.38 -5.94 16 3 C 0.07 0.89 5.36 37.16 0.20 1.09 16 4 C -0.13 -1.92 4.46 -26.73 -0.12 -2.04 16 5 C 0.19 3.06 0.35 -131.78 -0.05 3.01 16 6 N -0.71 -10.12 3.13 -47.57 -0.15 -10.27 16 7 C 0.52 7.56 6.30 -10.98 -0.07 7.49 16 8 O -0.53 -9.07 11.54 5.56 0.06 -9.00 16 9 C -0.15 -1.76 3.51 -90.20 -0.32 -2.08 16 10 H 0.10 1.04 8.14 -51.93 -0.42 0.62 16 11 C 0.06 0.78 7.17 37.93 0.27 1.05 16 12 O -0.37 -5.18 11.35 -35.23 -0.40 -5.58 16 13 C 0.07 0.81 3.92 -25.95 -0.10 0.71 16 14 H 0.07 0.86 8.14 -51.93 -0.42 0.44 16 15 C -0.14 -1.35 9.52 37.15 0.35 -0.99 16 16 C -0.14 -1.59 6.21 -25.16 -0.16 -1.75 16 17 C -0.15 -2.53 4.65 -26.61 -0.12 -2.66 16 18 C 0.18 3.75 4.97 -3.71 -0.02 3.73 16 19 N -0.59 -13.87 2.98 -172.32 -0.51 -14.39 16 20 C -0.25 -6.72 9.57 -15.06 -0.14 -6.86 16 21 H 0.06 1.64 7.85 -52.49 -0.41 1.23 16 22 C 0.01 0.20 5.04 -17.43 -0.09 0.11 16 23 N -0.91 -24.98 11.14 55.49 0.62 -24.36 16 24 Si 0.90 21.19 29.57 -169.99 -5.03 16.17 16 25 H -0.28 -6.60 7.11 56.52 0.40 -6.20 16 26 H -0.29 -6.87 7.11 56.52 0.40 -6.46 16 27 H -0.28 -6.62 7.11 56.52 0.40 -6.22 16 28 C 0.15 3.14 6.26 -3.71 -0.02 3.12 16 29 C -0.14 -2.55 4.61 -26.61 -0.12 -2.67 16 30 H 0.04 0.36 8.14 -51.93 -0.42 -0.06 16 31 H 0.08 0.70 8.14 -51.93 -0.42 0.28 16 32 H 0.04 0.35 8.14 -51.93 -0.42 -0.07 16 33 H 0.04 0.59 7.41 -51.93 -0.39 0.20 16 34 H 0.05 0.64 6.71 -51.93 -0.35 0.29 16 35 H 0.07 1.10 8.14 -51.93 -0.42 0.68 16 36 H 0.09 1.50 6.29 -51.92 -0.33 1.17 16 37 H 0.40 5.32 7.39 -40.82 -0.30 5.01 16 38 H 0.07 1.08 7.21 -51.93 -0.37 0.71 16 39 H 0.10 1.19 8.14 -51.93 -0.42 0.77 16 40 H 0.07 0.54 8.14 -51.93 -0.42 0.12 16 41 H 0.06 0.57 8.14 -51.93 -0.42 0.15 16 42 H 0.06 0.56 8.14 -51.93 -0.42 0.14 16 43 H 0.08 0.76 7.87 -51.93 -0.41 0.35 16 44 H 0.10 1.30 6.50 -51.93 -0.34 0.96 16 45 H 0.05 0.80 6.50 -51.92 -0.34 0.47 16 46 H 0.07 1.30 8.14 -51.93 -0.42 0.88 16 47 H 0.02 0.36 7.01 -51.93 -0.36 -0.01 16 48 H 0.09 2.16 6.20 -51.93 -0.32 1.84 16 49 H 0.25 6.86 8.31 -40.82 -0.34 6.52 16 50 H 0.05 1.09 7.93 -51.93 -0.41 0.68 16 51 H 0.01 0.30 6.96 -51.93 -0.36 -0.07 16 52 H 0.06 1.19 8.14 -51.93 -0.42 0.77 16 53 H 0.07 1.37 6.12 -51.93 -0.32 1.05 16 LS Contribution 398.63 15.07 6.01 6.01 Total: -1.00 -30.05 398.63 -8.39 -38.43 By element: Atomic # 1 Polarization: 15.45 SS G_CDS: -9.22 Total: 6.23 kcal Atomic # 6 Polarization: 2.09 SS G_CDS: 0.61 Total: 2.70 kcal Atomic # 7 Polarization: -48.97 SS G_CDS: -0.04 Total: -49.02 kcal Atomic # 8 Polarization: -19.81 SS G_CDS: -0.71 Total: -20.52 kcal Atomic # 14 Polarization: 21.19 SS G_CDS: -5.03 Total: 16.17 kcal Total LS contribution 6.01 Total: 6.01 kcal Total: -30.05 -8.39 -38.43 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. ZINC001151198731.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 -73.675 kcal (2) G-P(sol) polarization free energy of solvation -30.049 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -103.724 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.385 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.434 kcal (6) G-S(sol) free energy of system = (1) + (5) -112.109 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.21 seconds