Wall clock time and date at job start Sat Apr 11 2020 06:10:42 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 1.53008 * 1 3 3 O 1.42901 * 109.46638 * 2 1 4 4 C 1.42905 * 113.99657 * 175.34702 * 3 2 1 5 5 H 1.09000 * 109.46973 * 328.36155 * 4 3 2 6 6 C 1.53001 * 109.46604 * 208.36300 * 4 3 2 7 7 C 1.50701 * 109.47122 * 65.00484 * 6 4 3 8 8 O 1.21280 * 120.00250 * 359.97438 * 7 6 4 9 9 N 1.34777 * 119.99844 * 179.97438 * 7 6 4 10 10 C 1.47218 * 121.11666 * 0.02562 * 9 7 6 11 11 C 1.53231 * 108.75571 * 127.79123 * 10 9 7 12 12 O 1.43106 * 109.34232 * 54.12805 * 11 10 9 13 13 C 1.42489 * 113.96978 * 300.03390 * 12 11 10 14 14 C 1.53440 * 113.81183 * 189.53766 * 13 12 11 15 15 N 1.47679 * 85.97729 * 91.24344 * 14 13 12 16 16 C 1.36938 * 134.45294 * 204.28899 * 15 14 13 17 17 H 1.08001 * 120.00275 * 184.19037 * 16 15 14 18 18 C 1.38815 * 119.99858 * 4.19392 * 16 15 14 19 19 N 1.31617 * 120.00308 * 6.10556 * 18 16 15 20 20 Si 1.86802 * 119.99727 * 186.10649 * 18 16 15 21 21 H 1.48501 * 109.47246 * 94.97262 * 20 18 16 22 22 H 1.48504 * 109.47063 * 214.97345 * 20 18 16 23 23 H 1.48502 * 109.47326 * 334.97528 * 20 18 16 24 24 C 1.47673 * 91.08964 * 24.29074 * 15 14 13 25 25 C 1.47342 * 121.05033 * 179.97438 * 9 7 6 26 26 C 1.53000 * 109.47008 * 88.36213 * 4 3 2 27 27 C 1.53002 * 109.46801 * 64.96684 * 26 4 3 28 28 C 1.53002 * 109.46798 * 184.96276 * 26 4 3 29 29 H 1.09002 * 109.46936 * 299.99884 * 1 2 3 30 30 H 1.08997 * 109.47131 * 60.00405 * 1 2 3 31 31 H 1.09001 * 109.46902 * 180.02562 * 1 2 3 32 32 H 1.08992 * 109.46911 * 240.00106 * 2 1 3 33 33 H 1.08997 * 109.47131 * 119.99595 * 2 1 3 34 34 H 1.08992 * 109.47525 * 304.99829 * 6 4 3 35 35 H 1.09000 * 109.46761 * 184.99825 * 6 4 3 36 36 H 1.08995 * 109.58000 * 8.01031 * 10 9 7 37 37 H 1.09005 * 109.58981 * 247.57040 * 10 9 7 38 38 H 1.09007 * 109.49153 * 294.16323 * 11 10 9 39 39 H 1.09007 * 109.49443 * 174.09073 * 11 10 9 40 40 H 1.09006 * 113.78928 * 205.50715 * 14 13 12 41 41 H 1.08997 * 113.79160 * 336.97441 * 14 13 12 42 42 H 0.96997 * 120.00068 * 179.97438 * 19 18 16 43 43 H 1.08992 * 113.78971 * 221.44780 * 24 15 14 44 44 H 1.09002 * 113.89677 * 89.98889 * 24 15 14 45 45 H 1.08991 * 109.74525 * 108.73136 * 25 9 7 46 46 H 1.08998 * 109.74857 * 348.05157 * 25 9 7 47 47 H 1.08996 * 109.47437 * 304.96637 * 26 4 3 48 48 H 1.09007 * 109.46772 * 186.44620 * 27 26 4 49 49 H 1.08995 * 109.46972 * 306.44118 * 27 26 4 50 50 H 1.09002 * 109.47303 * 66.44884 * 27 26 4 51 51 H 1.08997 * 109.46882 * 60.00562 * 28 26 4 52 52 H 1.09004 * 109.46960 * 179.97438 * 28 26 4 53 53 H 1.08996 * 109.47421 * 300.00371 * 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 1.5301 0.0000 0.0000 3 8 2.0063 1.3473 0.0000 4 6 3.4268 1.4616 0.1059 5 1 3.8147 0.6335 0.6990 6 6 3.7826 2.7858 0.7849 7 6 3.2767 2.7743 2.2043 8 8 2.6890 1.8029 2.6309 9 7 3.4773 3.8436 2.9999 10 6 4.1870 5.0357 2.5075 11 6 3.3248 6.2718 2.7845 12 8 2.9850 6.3110 4.1741 13 6 2.2521 5.1746 4.6231 14 6 1.6910 5.3210 6.0437 15 7 0.4789 5.8631 5.3972 16 6 -0.5324 6.6941 5.7994 17 1 -1.3637 6.8921 5.1389 18 6 -0.4891 7.2822 7.0561 19 7 0.5778 7.1388 7.8134 20 14 -1.9452 8.2770 7.6724 21 1 -2.8234 7.4097 8.4980 22 1 -1.4562 9.4125 8.4951 23 1 -2.7134 8.7997 6.5140 24 6 0.7945 5.1498 4.1433 25 6 2.9921 3.8575 4.3911 26 6 4.0472 1.4224 -1.2921 27 6 3.5993 2.6528 -2.0835 28 6 5.5726 1.4200 -1.1732 29 1 -0.3633 0.5138 0.8900 30 1 -0.3633 0.5138 -0.8900 31 1 -0.3633 -1.0277 0.0005 32 1 1.8933 -0.5138 -0.8899 33 1 1.8934 -0.5138 0.8900 34 1 3.3197 3.6090 0.2408 35 1 4.8650 2.9141 0.7860 36 1 4.3579 4.9421 1.4351 37 1 5.1415 5.1326 3.0249 38 1 2.4135 6.2206 2.1885 39 1 3.8822 7.1707 2.5208 40 1 1.5301 4.3708 6.5530 41 1 2.2258 6.0478 6.6549 42 1 0.6081 7.5501 8.6914 43 1 0.6172 5.7407 3.2447 44 1 0.3676 4.1485 4.0854 45 1 3.8365 3.7844 5.0763 46 1 2.3132 3.0203 4.5527 47 1 3.7217 0.5196 -1.8089 48 1 3.9463 2.5684 -3.1135 49 1 2.5113 2.7166 -2.0708 50 1 4.0213 3.5498 -1.6303 51 1 5.8917 0.5435 -0.6093 52 1 6.0147 1.3916 -2.1691 53 1 5.8982 2.3228 -0.6564 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 ZINC001755052236.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 06:10:42 Heat of formation + Delta-G solvation = -67.201642 kcal Electronic energy + Delta-G solvation = -31951.924245 eV Core-core repulsion = 27826.047905 eV Total energy + Delta-G solvation = -4125.876341 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.94 seconds Orbital eigenvalues (eV) -40.51122 -39.34814 -38.08709 -36.17460 -35.53748 -34.38100 -32.24309 -31.49087 -30.44075 -29.66453 -27.73778 -27.47476 -26.12228 -25.04131 -24.34111 -23.26479 -22.86907 -21.79188 -19.98685 -19.14955 -18.72048 -17.36932 -17.01870 -16.75618 -16.20355 -15.84697 -15.60735 -15.26804 -14.84109 -14.77092 -14.36643 -14.24201 -14.12519 -14.04996 -13.69183 -13.38563 -13.35180 -13.18693 -12.92398 -12.52015 -12.34851 -12.28807 -12.27543 -12.08960 -11.83263 -11.71055 -11.46218 -11.33205 -11.12874 -11.08926 -11.01121 -10.80805 -10.79189 -10.70765 -10.66079 -10.11416 -9.96082 -9.60700 -9.53349 -9.46092 -9.21391 -8.79421 -8.22853 -6.81640 -5.70014 -3.03203 2.74557 2.98616 3.43510 3.48102 3.50447 3.58414 4.10453 4.32499 4.41790 4.49032 4.71501 4.78814 4.89407 4.92610 4.98811 5.02492 5.05359 5.13899 5.20284 5.22079 5.24416 5.30170 5.31111 5.33235 5.36788 5.44891 5.52271 5.60495 5.63791 5.67021 5.72142 5.76134 5.78212 5.81466 5.90789 5.91072 6.00823 6.05562 6.10301 6.12080 6.36521 6.44071 6.53865 6.65690 6.98662 7.20843 7.25978 7.48500 7.56207 7.87821 8.05375 8.28605 9.08935 9.76122 10.63002 11.45912 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.016647 B = 0.002806 C = 0.002591 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1681.618947 B = 9977.378470 C =10802.789545 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 0.065 3.935 3 O -0.369 6.369 4 C 0.113 3.887 5 H 0.066 0.934 6 C -0.141 4.141 7 C 0.518 3.482 8 O -0.533 6.533 9 N -0.614 5.614 10 C 0.074 3.926 11 C 0.044 3.956 12 O -0.334 6.334 13 C 0.055 3.945 14 C 0.174 3.826 15 N -0.602 5.602 16 C -0.220 4.220 17 H 0.079 0.921 18 C -0.007 4.007 19 N -0.918 5.918 20 Si 0.912 3.088 21 H -0.290 1.290 22 H -0.290 1.290 23 H -0.281 1.281 24 C 0.103 3.897 25 C 0.099 3.901 26 C -0.119 4.119 27 C -0.145 4.145 28 C -0.149 4.149 29 H 0.065 0.935 30 H 0.059 0.941 31 H 0.066 0.934 32 H 0.039 0.961 33 H 0.050 0.950 34 H 0.103 0.897 35 H 0.104 0.896 36 H 0.088 0.912 37 H 0.077 0.923 38 H 0.053 0.947 39 H 0.101 0.899 40 H 0.041 0.959 41 H 0.092 0.908 42 H 0.253 0.747 43 H 0.043 0.957 44 H 0.042 0.958 45 H 0.071 0.929 46 H 0.100 0.900 47 H 0.073 0.927 48 H 0.051 0.949 49 H 0.064 0.936 50 H 0.055 0.945 51 H 0.055 0.945 52 H 0.058 0.942 53 H 0.059 0.941 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 11.958 -11.732 -19.759 25.905 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 -0.012 4.012 3 O -0.288 6.288 4 C 0.054 3.946 5 H 0.084 0.916 6 C -0.180 4.180 7 C 0.306 3.694 8 O -0.409 6.409 9 N -0.349 5.349 10 C -0.050 4.050 11 C -0.034 4.034 12 O -0.252 6.252 13 C 0.013 3.987 14 C 0.048 3.952 15 N -0.328 5.328 16 C -0.347 4.347 17 H 0.097 0.903 18 C -0.204 4.204 19 N -0.565 5.565 20 Si 0.742 3.258 21 H -0.217 1.217 22 H -0.217 1.217 23 H -0.206 1.206 24 C -0.024 4.024 25 C -0.024 4.024 26 C -0.138 4.138 27 C -0.202 4.202 28 C -0.207 4.207 29 H 0.085 0.915 30 H 0.078 0.922 31 H 0.085 0.915 32 H 0.057 0.943 33 H 0.069 0.931 34 H 0.121 0.879 35 H 0.122 0.878 36 H 0.106 0.894 37 H 0.095 0.905 38 H 0.072 0.928 39 H 0.119 0.881 40 H 0.058 0.942 41 H 0.111 0.889 42 H 0.063 0.937 43 H 0.061 0.939 44 H 0.059 0.941 45 H 0.089 0.911 46 H 0.118 0.882 47 H 0.091 0.909 48 H 0.070 0.930 49 H 0.083 0.917 50 H 0.074 0.926 51 H 0.074 0.926 52 H 0.077 0.923 53 H 0.078 0.922 Dipole moment (debyes) X Y Z Total from point charges 11.385 -11.712 -19.197 25.205 hybrid contribution -0.640 0.156 0.141 0.674 sum 10.744 -11.555 -19.056 24.741 Atomic orbital electron populations 1.21719 0.94001 1.01880 1.03147 1.22391 0.95414 0.83940 0.99457 1.87914 1.20253 1.26324 1.94265 1.21759 0.82260 0.96630 0.93952 0.91570 1.21937 1.02583 1.00133 0.93391 1.20477 0.79381 0.82276 0.87232 1.90680 1.41371 1.33441 1.75435 1.48258 1.57359 1.15891 1.13374 1.22446 0.96286 0.86026 1.00202 1.22878 0.98205 0.97054 0.85275 1.88062 1.73390 1.41216 1.22507 1.23720 0.90237 0.84012 1.00725 1.22309 0.85963 0.97325 0.89588 1.45696 1.26575 1.51544 1.08943 1.18978 0.98024 1.18581 0.99129 0.90343 1.24756 0.97860 1.00632 0.97125 1.69810 1.27187 1.48491 1.10981 0.86103 0.81725 0.79357 0.78597 1.21704 1.21688 1.20626 1.23034 0.91762 0.95748 0.91808 1.22256 0.99441 0.99675 0.81024 1.21642 0.95745 0.99854 0.96581 1.21815 1.02250 0.97031 0.99151 1.21890 0.94706 1.02064 1.02013 0.91541 0.92228 0.91493 0.94254 0.93121 0.87913 0.87816 0.89409 0.90523 0.92836 0.88129 0.94167 0.88949 0.93680 0.93897 0.94069 0.91082 0.88152 0.90878 0.93020 0.91695 0.92552 0.92597 0.92305 0.92229 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 -1.54 10.28 37.16 0.38 -1.16 16 2 C 0.06 0.70 6.50 37.16 0.24 0.95 16 3 O -0.37 -4.64 8.65 -49.65 -0.43 -5.07 16 4 C 0.11 1.15 1.42 -26.73 -0.04 1.12 16 5 H 0.07 0.73 7.55 -51.93 -0.39 0.34 16 6 C -0.14 -1.40 3.00 -27.88 -0.08 -1.49 16 7 C 0.52 7.37 7.60 -10.98 -0.08 7.28 16 8 O -0.53 -9.44 14.91 -8.87 -0.13 -9.57 16 9 N -0.61 -8.69 3.03 -172.39 -0.52 -9.21 16 10 C 0.07 0.82 6.51 -3.53 -0.02 0.80 16 11 C 0.04 0.61 6.88 37.28 0.26 0.87 16 12 O -0.33 -6.58 10.52 -35.23 -0.37 -6.95 16 13 C 0.05 1.10 1.21 -90.32 -0.11 0.99 16 14 C 0.17 4.23 7.10 -3.18 -0.02 4.21 16 15 N -0.60 -16.16 3.70 -180.29 -0.67 -16.83 16 16 C -0.22 -6.40 10.69 -15.06 -0.16 -6.56 16 17 H 0.08 2.22 7.84 -52.49 -0.41 1.81 16 18 C -0.01 -0.21 5.49 -17.43 -0.10 -0.30 16 19 N -0.92 -27.72 11.31 55.49 0.63 -27.09 16 20 Si 0.91 22.70 29.56 -169.99 -5.02 17.67 16 21 H -0.29 -7.19 7.11 56.52 0.40 -6.79 16 22 H -0.29 -7.24 7.11 56.52 0.40 -6.84 16 23 H -0.28 -6.80 7.11 56.52 0.40 -6.40 16 24 C 0.10 2.29 8.08 -3.16 -0.03 2.26 16 25 C 0.10 1.66 5.77 -3.66 -0.02 1.64 16 26 C -0.12 -0.92 2.88 -90.62 -0.26 -1.18 16 27 C -0.15 -1.08 8.45 37.16 0.31 -0.77 16 28 C -0.15 -0.91 8.95 37.16 0.33 -0.58 16 29 H 0.07 0.81 8.14 -51.93 -0.42 0.38 16 30 H 0.06 0.58 8.14 -51.93 -0.42 0.16 16 31 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 32 H 0.04 0.35 7.74 -51.93 -0.40 -0.05 16 33 H 0.05 0.59 7.98 -51.93 -0.41 0.18 16 34 H 0.10 0.96 6.35 -51.93 -0.33 0.63 16 35 H 0.10 0.76 6.19 -51.93 -0.32 0.44 16 36 H 0.09 0.68 6.04 -51.93 -0.31 0.37 16 37 H 0.08 0.78 8.14 -51.93 -0.42 0.35 16 38 H 0.05 0.78 7.19 -51.93 -0.37 0.40 16 39 H 0.10 1.13 8.14 -51.92 -0.42 0.71 16 40 H 0.04 0.96 8.09 -51.93 -0.42 0.54 16 41 H 0.09 2.51 6.89 -51.93 -0.36 2.15 16 42 H 0.25 7.38 8.31 -40.82 -0.34 7.04 16 43 H 0.04 0.94 7.27 -51.93 -0.38 0.56 16 44 H 0.04 0.92 7.94 -51.93 -0.41 0.50 16 45 H 0.07 1.12 8.14 -51.93 -0.42 0.69 16 46 H 0.10 1.82 6.91 -51.93 -0.36 1.46 16 47 H 0.07 0.57 7.73 -51.93 -0.40 0.17 16 48 H 0.05 0.34 8.14 -51.92 -0.42 -0.09 16 49 H 0.06 0.58 7.66 -51.93 -0.40 0.18 16 50 H 0.06 0.38 6.85 -51.93 -0.36 0.02 16 51 H 0.05 0.34 8.14 -51.93 -0.42 -0.08 16 52 H 0.06 0.32 8.14 -51.93 -0.42 -0.11 16 53 H 0.06 0.33 6.46 -51.93 -0.34 -0.01 16 LS Contribution 408.08 15.07 6.15 6.15 Total: -1.00 -34.90 408.08 -9.08 -43.98 By element: Atomic # 1 Polarization: 8.18 SS G_CDS: -9.31 Total: -1.14 kcal Atomic # 6 Polarization: 7.46 SS G_CDS: 0.60 Total: 8.06 kcal Atomic # 7 Polarization: -52.57 SS G_CDS: -0.56 Total: -53.14 kcal Atomic # 8 Polarization: -20.66 SS G_CDS: -0.93 Total: -21.59 kcal Atomic # 14 Polarization: 22.70 SS G_CDS: -5.02 Total: 17.67 kcal Total LS contribution 6.15 Total: 6.15 kcal Total: -34.90 -9.08 -43.98 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. ZINC001755052236.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 -23.221 kcal (2) G-P(sol) polarization free energy of solvation -34.901 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -58.122 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.079 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.981 kcal (6) G-S(sol) free energy of system = (1) + (5) -67.202 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.94 seconds