Wall clock time and date at job start Sun Mar 7 2021 00:06:51 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= 0 * AM1 - THE AM1 HAMILTONIAN TO BE USED * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 1.42900 * 1 3 3 C 1.35893 * 116.99427 * 2 1 4 4 C 1.38821 * 119.93215 * 180.02562 * 3 2 1 5 5 C 1.37923 * 120.06202 * 180.27902 * 4 3 2 6 6 C 1.39355 * 119.93344 * 359.45220 * 5 4 3 7 7 C 1.48415 * 120.06267 * 180.25498 * 6 5 4 8 8 N 1.31617 * 126.03825 * 223.96016 * 7 6 5 9 9 N 1.40073 * 108.10907 * 180.02562 * 8 7 6 10 10 C 1.46498 * 125.92908 * 179.97438 * 9 8 7 11 11 C 1.50702 * 109.46932 * 305.01903 * 10 9 8 12 12 O 1.21275 * 119.99990 * 0.02562 * 11 10 9 13 13 N 1.34775 * 119.99768 * 180.02562 * 11 10 9 14 14 C 1.46506 * 120.00155 * 180.02562 * 13 11 10 15 15 H 1.09001 * 112.84817 * 23.80087 * 14 13 11 16 16 C 1.53772 * 113.61869 * 154.99905 * 14 13 11 17 17 C 1.53783 * 87.08213 * 139.98087 * 16 14 13 18 18 H 1.08997 * 113.61341 * 89.20579 * 17 16 14 19 19 C 1.53000 * 113.61207 * 220.02020 * 17 16 14 20 20 N 1.46502 * 109.46702 * 184.99861 * 19 17 16 21 21 C 1.34427 * 126.81907 * 124.71147 * 20 19 17 22 22 N 1.30835 * 108.07642 * 179.88930 * 21 20 19 23 23 C 1.33246 * 109.82787 * 0.38646 * 22 21 20 24 24 N 1.30707 * 108.94564 * 359.75767 * 23 22 21 25 25 C 1.53775 * 87.07922 * 334.56723 * 17 16 14 26 26 C 1.35036 * 108.14215 * 359.97438 * 9 8 7 27 27 C 1.35097 * 107.97582 * 359.72654 * 26 9 8 28 28 C 1.50697 * 126.07565 * 180.25803 * 27 26 9 29 29 O 1.42897 * 109.47174 * 104.02910 * 28 27 26 30 30 Si 1.86305 * 109.47033 * 344.02792 * 28 27 26 31 31 C 1.39351 * 119.87306 * 0.52580 * 6 5 4 32 32 C 1.37915 * 119.93428 * 359.74910 * 31 6 5 33 33 H 1.08998 * 109.47475 * 59.99558 * 1 2 3 34 34 H 1.09002 * 109.46827 * 180.02562 * 1 2 3 35 35 H 1.08999 * 109.47081 * 299.99294 * 1 2 3 36 36 H 1.08000 * 119.97334 * 359.97438 * 4 3 2 37 37 H 1.08005 * 120.03014 * 179.72349 * 5 4 3 38 38 H 1.08988 * 109.47478 * 65.02405 * 10 9 8 39 39 H 1.09002 * 109.46865 * 185.02622 * 10 9 8 40 40 H 0.97003 * 120.00065 * 0.02562 * 13 11 10 41 41 H 1.08995 * 113.62040 * 254.53337 * 16 14 13 42 42 H 1.09004 * 113.61344 * 25.43221 * 16 14 13 43 43 H 1.08993 * 109.47143 * 304.99980 * 19 17 16 44 44 H 1.08997 * 109.47235 * 65.00217 * 19 17 16 45 45 H 1.07998 * 125.96658 * 0.03735 * 21 20 19 46 46 H 1.07996 * 125.52314 * 179.79816 * 23 22 21 47 47 H 1.09002 * 113.61671 * 270.88233 * 25 17 16 48 48 H 1.09004 * 113.61358 * 139.98002 * 25 17 16 49 49 H 1.07995 * 126.01498 * 180.02562 * 26 9 8 50 50 H 1.09004 * 109.47287 * 224.03124 * 28 27 26 51 51 H 0.96697 * 113.99872 * 299.99582 * 29 28 27 52 52 H 1.48505 * 110.00042 * 58.68416 * 30 28 27 53 53 H 1.48498 * 109.99729 * 179.97438 * 30 28 27 54 54 H 1.08000 * 120.02986 * 179.77837 * 31 6 5 55 55 H 1.08002 * 119.97047 * 179.97438 * 32 31 6 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 1.4290 0.0000 0.0000 3 6 2.0458 1.2109 0.0000 4 6 3.4322 1.2820 -0.0005 5 6 4.0610 2.5095 0.0053 6 6 3.3033 3.6791 0.0001 7 6 3.9770 5.0015 0.0007 8 7 3.6428 6.0405 0.7363 9 7 4.5252 7.0867 0.4384 10 6 4.5052 8.4245 1.0353 11 6 3.1395 9.0352 0.8535 12 8 2.2686 8.4140 0.2821 13 7 2.8860 10.2717 1.3259 14 6 1.5582 10.8653 1.1497 15 1 0.7752 10.1188 1.0165 16 6 1.2172 11.9349 2.2005 17 6 0.5737 12.7391 1.0584 18 1 -0.4794 12.5068 0.9003 19 6 0.8449 14.2427 1.1392 20 7 0.0970 14.9311 0.0842 21 6 -0.7758 15.9410 0.2432 22 7 -1.2262 16.2781 -0.9381 23 6 -0.6729 15.5037 -1.8706 24 7 0.1448 14.6629 -1.2936 25 6 1.5212 11.9927 0.1045 26 6 5.3976 6.6483 -0.4945 27 6 5.0909 5.3643 -0.7814 28 6 5.8097 4.4790 -1.7665 29 8 6.6348 3.5511 -1.0592 30 14 6.8703 5.5266 -2.8840 31 6 1.9117 3.6045 0.0002 32 6 1.2885 2.3742 0.0002 33 1 -0.3634 0.5139 -0.8899 34 1 -0.3633 -1.0277 0.0005 35 1 -0.3633 0.5137 0.8900 36 1 4.0190 0.3753 -0.0005 37 1 5.1397 2.5643 0.0094 38 1 4.7318 8.3513 2.0988 39 1 5.2513 9.0513 0.5470 40 1 3.5827 10.7687 1.7826 41 1 0.5040 11.5969 2.9522 42 1 2.0938 12.4166 2.6336 43 1 0.5282 14.6172 2.1126 44 1 1.9111 14.4272 1.0082 45 1 -1.0547 16.3965 1.1818 46 1 -0.8679 15.5619 -2.9312 47 1 2.4810 12.4901 -0.0353 48 1 1.0534 11.7011 -0.8359 49 1 6.2022 7.2216 -0.9306 50 1 5.0799 3.9336 -2.3648 51 1 7.3090 3.9674 -0.5050 52 1 7.8487 6.2996 -2.0775 53 1 7.5850 4.6653 -3.8598 54 1 1.3220 4.5093 -0.0001 55 1 0.2100 2.3157 0.0007 There are 78 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 78 No. of singly occupied orbitals= 1 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=0 AM1 1SCF TLIMIT=15 GEO-OK SM5.42R & SOLVNT=WATER s_22_14644236_12622750.mol2 55 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sun Mar 7 2021 00:06:51 Heat of formation + Delta-G solvation = 135.137444 kcal Electronic energy + Delta-G solvation = -39638.727174 eV Core-core repulsion = 34455.075677 eV Total energy + Delta-G solvation = -5183.651497 eV No. of doubly occupied orbitals = 78 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 425.190 amu Computer time = 2.05 seconds Orbital eigenvalues (eV) -42.96453 -42.48169 -41.20413 -40.96411 -39.54720 -38.45672 -37.76747 -35.46871 -34.64958 -33.93923 -32.33495 -32.14455 -31.84138 -31.25944 -29.42432 -28.56283 -27.97445 -26.72535 -25.92984 -24.67509 -23.90984 -23.38188 -22.85011 -22.44665 -21.75113 -21.56186 -21.05924 -20.62258 -19.18936 -18.75399 -18.32384 -18.28765 -17.46401 -17.20128 -17.09176 -16.76005 -16.71030 -16.63564 -16.34113 -16.20198 -16.03107 -15.74330 -15.61582 -15.38159 -15.32121 -14.98589 -14.74480 -14.60852 -14.59052 -14.53793 -14.32677 -13.84401 -13.67656 -13.62844 -13.47026 -13.40113 -13.10542 -13.04088 -12.87062 -12.77853 -12.49707 -12.25426 -12.21156 -12.02877 -11.92006 -11.77116 -11.58449 -11.41675 -11.14685 -10.96621 -10.77842 -10.56716 -10.45829 -10.36535 -10.08268 -10.05557 -9.63357 -8.99676 -4.81724 0.07778 0.31959 0.71872 0.83229 1.30607 1.43665 1.46671 1.50340 1.62411 1.66309 2.02560 2.04141 2.13401 2.30751 2.74758 3.31094 3.36888 3.44523 3.54398 3.55181 3.57303 3.68356 3.71044 3.75443 3.78190 3.91979 3.93929 3.97433 4.13309 4.13959 4.19162 4.22104 4.22585 4.33773 4.34109 4.35125 4.43064 4.47030 4.57991 4.66226 4.71460 4.71852 4.73040 4.77216 4.81023 4.90866 4.97617 5.02200 5.04850 5.08304 5.17006 5.23992 5.35575 5.47163 5.50078 5.54133 5.56618 5.71764 5.93391 5.97065 6.35205 6.49104 6.61948 6.66991 7.15293 7.19386 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.017 3.983 2 O -0.333 6.333 3 C 0.125 3.875 4 C -0.164 4.164 5 C -0.052 4.052 6 C -0.068 4.068 7 C 0.117 3.883 8 N -0.294 5.294 9 N -0.360 5.360 10 C 0.110 3.890 11 C 0.495 3.505 12 O -0.566 6.566 13 N -0.700 5.700 14 C 0.117 3.883 15 H 0.079 0.921 16 C -0.112 4.112 17 C -0.114 4.114 18 H 0.078 0.922 19 C 0.135 3.865 20 N -0.379 5.379 21 C 0.255 3.745 22 N -0.586 5.586 23 C 0.183 3.817 24 N -0.343 5.343 25 C -0.132 4.132 26 C 0.074 3.926 27 C -0.261 4.261 28 C -0.045 4.045 29 O -0.545 6.545 30 Si 0.766 3.234 31 C -0.062 4.062 32 C -0.212 4.212 33 H 0.064 0.936 34 H 0.119 0.881 35 H 0.063 0.937 36 H 0.142 0.858 37 H 0.156 0.844 38 H 0.141 0.859 39 H 0.178 0.822 40 H 0.423 0.577 41 H 0.084 0.916 42 H 0.126 0.874 43 H 0.143 0.857 44 H 0.104 0.896 45 H 0.259 0.741 46 H 0.228 0.772 47 H 0.099 0.901 48 H 0.040 0.960 49 H 0.217 0.783 50 H 0.100 0.900 51 H 0.385 0.615 52 H -0.253 1.253 53 H -0.306 1.306 54 H 0.118 0.882 55 H 0.147 0.853 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 4.478 8.172 5.937 11.049 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 -0.077 4.077 2 O -0.246 6.246 3 C 0.079 3.921 4 C -0.182 4.182 5 C -0.071 4.071 6 C -0.070 4.070 7 C -0.048 4.048 8 N -0.116 5.116 9 N -0.141 5.141 10 C -0.014 4.014 11 C 0.280 3.720 12 O -0.444 6.444 13 N -0.354 5.354 14 C 0.011 3.989 15 H 0.097 0.903 16 C -0.151 4.151 17 C -0.134 4.134 18 H 0.096 0.904 19 C 0.015 3.985 20 N -0.169 5.169 21 C -0.041 4.041 22 N -0.315 5.315 23 C -0.120 4.120 24 N -0.171 5.171 25 C -0.171 4.171 26 C -0.071 4.071 27 C -0.273 4.273 28 C -0.154 4.154 29 O -0.353 6.353 30 Si 0.669 3.331 31 C -0.081 4.081 32 C -0.231 4.231 33 H 0.083 0.917 34 H 0.138 0.862 35 H 0.082 0.918 36 H 0.160 0.840 37 H 0.173 0.827 38 H 0.159 0.841 39 H 0.195 0.805 40 H 0.261 0.739 41 H 0.103 0.897 42 H 0.144 0.856 43 H 0.161 0.839 44 H 0.122 0.878 45 H 0.275 0.725 46 H 0.245 0.755 47 H 0.118 0.882 48 H 0.059 0.941 49 H 0.234 0.766 50 H 0.118 0.882 51 H 0.235 0.765 52 H -0.177 1.177 53 H -0.234 1.234 54 H 0.136 0.864 55 H 0.164 0.836 Dipole moment (debyes) X Y Z Total from point charges 3.811 7.612 5.550 10.162 hybrid contribution 0.392 -0.648 0.386 0.850 sum 4.202 6.964 5.936 10.070 Atomic orbital electron populations 1.23351 0.76486 1.05647 1.02224 1.86059 1.23433 1.26762 1.88393 1.19319 0.92716 0.84504 0.95514 1.20585 0.91487 0.99087 1.07087 1.21443 1.01447 0.89713 0.94506 1.17856 0.92483 0.89875 1.06813 1.20699 0.95390 0.92542 0.96158 1.77706 1.14361 0.95553 1.23960 1.48124 1.23417 1.10426 1.32152 1.21996 0.96533 0.79055 1.03826 1.21129 0.90535 0.81971 0.78320 1.90816 1.48415 1.62252 1.42887 1.45722 1.14516 1.16017 1.59121 1.22393 0.85093 0.93406 0.97971 0.90268 1.23302 1.02328 0.93987 0.95453 1.22494 0.99470 0.93246 0.98183 0.90367 1.22227 0.97315 0.90778 0.88190 1.50788 1.33429 1.27133 1.05598 1.26907 0.88643 0.88530 0.99993 1.70543 1.30585 1.30621 0.99703 1.26426 0.93037 0.90618 1.01935 1.78000 1.25134 1.25086 0.88918 1.23414 1.00259 0.96346 0.97035 1.22827 0.96619 0.95216 0.92454 1.20539 1.02388 0.96349 1.07988 1.24485 0.97848 0.96032 0.97080 1.86517 1.49324 1.35655 1.63810 0.94053 0.79626 0.81134 0.78336 1.21028 0.93652 0.97355 0.96088 1.21302 1.01053 0.91508 1.09233 0.91737 0.86241 0.91837 0.84020 0.82692 0.84118 0.80509 0.73854 0.89687 0.85628 0.83929 0.87774 0.72535 0.75543 0.88215 0.94142 0.76649 0.88209 0.76549 1.17748 1.23377 0.86386 0.83576 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 0.02 0.01 9.81 113.37 1.11 1.12 16 2 O -0.33 -2.77 10.49 -92.34 -0.97 -3.74 16 3 C 0.13 1.22 6.69 22.55 0.15 1.37 16 4 C -0.16 -1.53 9.97 22.33 0.22 -1.31 16 5 C -0.05 -0.49 9.04 22.46 0.20 -0.29 16 6 C -0.07 -0.78 5.73 -20.03 -0.11 -0.89 16 7 C 0.12 1.23 6.66 42.53 0.28 1.51 16 8 N -0.29 -3.37 11.67 -48.16 -0.56 -3.94 16 9 N -0.36 -0.79 3.40 -351.92 -1.20 -1.99 16 10 C 0.11 -0.81 6.99 85.63 0.60 -0.21 16 11 C 0.50 -0.09 7.86 87.66 0.69 0.60 16 12 O -0.57 -7.27 15.30 -3.01 -0.05 -7.31 16 13 N -0.70 5.29 5.35 -440.05 -2.36 2.94 16 14 C 0.12 -0.48 4.24 45.51 0.19 -0.29 16 15 H 0.08 0.31 7.46 -2.39 -0.02 0.29 16 16 C -0.11 1.30 7.39 31.12 0.23 1.53 16 17 C -0.11 0.85 3.85 -10.27 -0.04 0.81 16 18 H 0.08 -0.20 8.14 -2.39 -0.02 -0.22 16 19 C 0.14 -1.42 6.39 86.38 0.55 -0.87 16 20 N -0.38 0.74 3.69 -352.07 -1.30 -0.56 16 21 C 0.26 -0.57 12.63 180.36 2.28 1.71 16 22 N -0.59 -3.12 11.19 -204.01 -2.28 -5.40 16 23 C 0.18 0.90 13.03 180.77 2.36 3.26 16 24 N -0.34 -1.72 12.57 -61.25 -0.77 -2.49 16 25 C -0.13 0.47 7.43 31.12 0.23 0.70 16 26 C 0.07 -0.09 9.96 83.48 0.83 0.74 16 27 C -0.26 -1.01 5.34 -19.95 -0.11 -1.12 16 28 C -0.05 -0.08 2.18 71.24 0.16 0.08 16 29 O -0.54 -1.30 10.43 -148.98 -1.55 -2.85 16 30 Si 0.77 -2.18 30.84 68.60 2.12 -0.07 16 31 C -0.06 -0.70 9.77 22.46 0.22 -0.49 16 32 C -0.21 -1.84 9.02 22.33 0.20 -1.64 16 33 H 0.06 -0.07 7.66 -2.39 -0.02 -0.08 16 34 H 0.12 -0.42 8.14 -2.39 -0.02 -0.44 16 35 H 0.06 -0.06 7.65 -2.39 -0.02 -0.08 16 36 H 0.14 0.94 8.06 -2.91 -0.02 0.92 16 37 H 0.16 1.21 5.36 -2.91 -0.02 1.20 16 38 H 0.14 -1.69 8.14 -2.39 -0.02 -1.71 16 39 H 0.18 -3.15 8.07 -2.39 -0.02 -3.17 16 40 H 0.42 -6.91 8.73 -92.71 -0.81 -7.72 16 41 H 0.08 -0.93 8.14 -2.39 -0.02 -0.95 16 42 H 0.13 -2.23 8.08 -2.38 -0.02 -2.24 16 43 H 0.14 -2.54 8.09 -2.39 -0.02 -2.56 16 44 H 0.10 -1.30 7.84 -2.39 -0.02 -1.32 16 45 H 0.26 -3.26 8.06 -2.91 -0.02 -3.29 16 46 H 0.23 -0.06 8.06 -2.91 -0.02 -0.08 16 47 H 0.10 -0.62 7.90 -2.39 -0.02 -0.64 16 48 H 0.04 0.17 8.14 -2.38 -0.02 0.15 16 49 H 0.22 -2.25 6.34 -2.91 -0.02 -2.27 16 50 H 0.10 0.42 7.96 -2.39 -0.02 0.40 16 51 H 0.39 -1.63 8.70 -74.06 -0.64 -2.28 16 52 H -0.25 0.97 6.97 99.48 0.69 1.66 16 53 H -0.31 -1.74 7.11 99.48 0.71 -1.03 16 54 H 0.12 1.48 8.06 -2.91 -0.02 1.46 16 55 H 0.15 0.60 6.28 -2.91 -0.02 0.58 16 Total: 0.00 -43.38 462.05 0.86 -42.52 By element: Atomic # 1 Polarization: -22.94 SS G_CDS: -0.46 Total: -23.41 kcal Atomic # 6 Polarization: -3.94 SS G_CDS: 10.24 Total: 6.31 kcal Atomic # 7 Polarization: -2.98 SS G_CDS: -8.47 Total: -11.44 kcal Atomic # 8 Polarization: -11.34 SS G_CDS: -2.57 Total: -13.90 kcal Atomic # 14 Polarization: -2.18 SS G_CDS: 2.12 Total: -0.07 kcal Total: -43.38 0.86 -42.52 kcal The number of atoms in the molecule is 55 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. s_22_14644236_12622750.mol2 55 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 177.655 kcal (2) G-P(sol) polarization free energy of solvation -43.375 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 134.279 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 0.858 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.517 kcal (6) G-S(sol) free energy of system = (1) + (5) 135.137 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 2.05 seconds