Wall clock time and date at job start Sat Apr 11 2020 06:10:23 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 1.42898 * 1 3 3 C 1.42907 * 113.99430 * 2 1 4 4 H 1.08989 * 109.47444 * 30.00770 * 3 2 1 5 5 C 1.52999 * 109.47267 * 269.99956 * 3 2 1 6 6 C 1.53006 * 109.46632 * 150.00655 * 3 2 1 7 7 C 1.50697 * 109.46956 * 294.99604 * 6 3 2 8 8 O 1.21285 * 120.00176 * 0.02562 * 7 6 3 9 9 N 1.34776 * 120.00187 * 180.02562 * 7 6 3 10 10 C 1.48190 * 127.79726 * 0.02562 * 9 7 6 11 11 C 1.54525 * 104.62959 * 219.27808 * 10 9 7 12 12 H 1.09002 * 110.37668 * 95.03612 * 11 10 9 13 13 C 1.52994 * 110.37531 * 217.26960 * 11 10 9 14 14 N 1.46500 * 109.47370 * 293.54561 * 13 11 10 15 15 C 1.36940 * 120.00124 * 179.97438 * 14 13 11 16 16 H 1.08004 * 119.99999 * 0.02562 * 15 14 13 17 17 C 1.38807 * 120.00095 * 180.02562 * 15 14 13 18 18 N 1.31615 * 120.00251 * 180.02562 * 17 15 14 19 19 Si 1.86801 * 120.00064 * 359.97438 * 17 15 14 20 20 H 1.48506 * 109.46808 * 90.00238 * 19 17 15 21 21 H 1.48502 * 109.47553 * 210.00319 * 19 17 15 22 22 H 1.48504 * 109.47284 * 330.00704 * 19 17 15 23 23 C 1.54090 * 104.81662 * 336.22195 * 11 10 9 24 24 C 1.48259 * 127.80125 * 179.97438 * 9 7 6 25 25 C 1.52587 * 110.32447 * 118.97573 * 23 11 10 26 26 C 1.53205 * 109.21360 * 177.85643 * 25 23 11 27 27 O 1.42909 * 109.32910 * 303.32655 * 26 25 23 28 28 C 1.42909 * 114.22804 * 61.61435 * 27 26 25 29 29 C 1.52588 * 110.38077 * 241.23169 * 23 11 10 30 30 H 1.09003 * 109.47175 * 179.97438 * 1 2 3 31 31 H 1.09002 * 109.46956 * 299.99773 * 1 2 3 32 32 H 1.08994 * 109.47797 * 59.99734 * 1 2 3 33 33 H 1.09006 * 109.47316 * 300.00590 * 5 3 2 34 34 H 1.09001 * 109.46918 * 60.00277 * 5 3 2 35 35 H 1.08994 * 109.47469 * 180.02562 * 5 3 2 36 36 H 1.08999 * 109.46888 * 175.00246 * 6 3 2 37 37 H 1.08999 * 109.47567 * 54.99804 * 6 3 2 38 38 H 1.08998 * 110.40573 * 338.05986 * 10 9 7 39 39 H 1.08997 * 110.40801 * 100.49364 * 10 9 7 40 40 H 1.09004 * 109.47310 * 53.54710 * 13 11 10 41 41 H 1.09004 * 109.47420 * 173.54490 * 13 11 10 42 42 H 0.96996 * 119.99713 * 0.02562 * 14 13 11 43 43 H 0.97002 * 120.00345 * 179.97438 * 18 17 15 44 44 H 1.09002 * 110.42904 * 259.63243 * 24 9 7 45 45 H 1.09003 * 110.42724 * 21.99630 * 24 9 7 46 46 H 1.09004 * 109.51539 * 297.77545 * 25 23 11 47 47 H 1.09000 * 109.51523 * 57.93481 * 25 23 11 48 48 H 1.09000 * 109.49314 * 183.36672 * 26 25 23 49 49 H 1.09003 * 109.51272 * 63.29530 * 26 25 23 50 50 H 1.09001 * 109.49467 * 178.42846 * 28 27 26 51 51 H 1.09003 * 109.51475 * 58.36397 * 28 27 26 52 52 H 1.08992 * 109.51633 * 302.10604 * 29 23 11 53 53 H 1.09008 * 109.51158 * 62.20965 * 29 23 11 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 2.0101 1.3056 0.0000 4 1 1.3449 1.9994 0.5139 5 6 2.2175 1.7715 -1.4425 6 6 3.3589 1.2633 0.7212 7 6 3.1417 0.9237 2.1732 8 8 2.0187 0.7335 2.5901 9 7 4.1953 0.8311 3.0086 10 6 5.6286 1.0276 2.6878 11 6 6.3635 -0.0611 3.5017 12 1 6.5356 -0.9440 2.8860 13 6 7.6903 0.4796 4.0384 14 7 8.5969 0.7476 2.9192 15 6 9.8518 1.2413 3.1577 16 1 10.1733 1.4326 4.1708 17 6 10.7106 1.4957 2.0973 18 7 11.9168 1.9697 2.3264 19 14 10.1548 1.1642 0.3449 20 1 9.5103 2.3822 -0.2087 21 1 11.3305 0.8043 -0.4877 22 1 9.1814 0.0426 0.3381 23 6 5.4087 -0.3961 4.6638 24 6 4.1819 0.5107 4.4561 25 6 4.9952 -1.8637 4.6038 26 6 4.0907 -2.1819 5.7987 27 8 4.7765 -1.8592 7.0102 28 6 5.1218 -0.4784 7.1387 29 6 6.0715 -0.0853 6.0026 30 1 -0.3634 -1.0277 -0.0005 31 1 -0.3633 0.5138 0.8900 32 1 -0.3634 0.5138 -0.8899 33 1 2.8828 1.0776 -1.9564 34 1 1.2567 1.8016 -1.9563 35 1 2.6612 2.7671 -1.4425 36 1 3.8426 2.2371 0.6443 37 1 3.9931 0.5053 0.2616 38 1 5.8022 0.8865 1.6210 39 1 5.9552 2.0199 2.9989 40 1 7.5103 1.4028 4.5893 41 1 8.1412 -0.2578 4.7026 42 1 8.3080 0.5762 2.0093 43 1 12.5171 2.1472 1.5854 44 1 4.2765 1.4210 5.0481 45 1 3.2671 -0.0202 4.7198 46 1 4.4534 -2.0517 3.6768 47 1 5.8835 -2.4941 4.6414 48 1 3.8411 -3.2430 5.7935 49 1 3.1762 -1.5927 5.7302 50 1 5.6139 -0.3142 8.0973 51 1 4.2186 0.1294 7.0846 52 1 6.9984 -0.6520 6.0903 53 1 6.2897 0.9811 6.0620 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 ZINC001186301821.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 06:10:23 Heat of formation + Delta-G solvation = -112.787892 kcal Electronic energy + Delta-G solvation = -31987.839335 eV Core-core repulsion = 27859.986226 eV Total energy + Delta-G solvation = -4127.853109 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.11 seconds Orbital eigenvalues (eV) -41.02666 -39.45841 -38.05253 -37.25369 -34.83574 -33.58878 -32.89964 -31.81359 -31.22088 -29.67708 -28.82240 -26.91658 -26.31104 -25.76850 -24.37029 -23.71945 -22.03745 -21.77781 -20.74438 -19.30343 -18.67576 -17.60595 -17.21607 -16.96590 -16.13022 -16.09355 -15.96573 -15.73535 -15.22967 -14.96218 -14.79121 -14.58536 -14.50834 -14.24315 -13.91015 -13.44630 -13.23831 -13.01329 -12.89622 -12.76515 -12.57008 -12.36818 -12.30112 -12.17680 -12.14003 -11.88942 -11.73406 -11.59445 -11.40731 -11.22879 -11.16701 -10.93202 -10.90851 -10.67475 -10.34230 -10.17116 -10.06745 -9.85776 -9.72139 -9.64892 -9.44283 -8.95068 -8.72608 -7.29918 -5.82347 -3.18632 2.62822 2.87600 3.31079 3.32549 3.40327 3.62704 3.81705 4.22555 4.44722 4.52629 4.53252 4.56427 4.57232 4.91526 4.93944 4.97527 5.02447 5.07824 5.11383 5.16336 5.20262 5.25190 5.30597 5.33220 5.37579 5.40347 5.44850 5.47978 5.50049 5.52023 5.59296 5.60813 5.61575 5.67963 5.69934 5.80568 5.86072 5.91083 5.95616 5.98994 6.07375 6.09767 6.19172 6.31523 6.59628 6.65505 7.06815 7.13198 7.52774 7.92977 8.14132 8.36234 9.14685 9.86850 10.05810 11.36026 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.007471 B = 0.004411 C = 0.002936 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 3746.913520 B = 6346.660607 C = 9536.109599 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.038 3.962 2 O -0.377 6.377 3 C 0.102 3.898 4 H 0.067 0.933 5 C -0.176 4.176 6 C -0.139 4.139 7 C 0.539 3.461 8 O -0.541 6.541 9 N -0.624 5.624 10 C 0.105 3.895 11 C -0.102 4.102 12 H 0.083 0.917 13 C 0.166 3.834 14 N -0.756 5.756 15 C -0.245 4.245 16 H 0.090 0.910 17 C 0.006 3.994 18 N -0.933 5.933 19 Si 0.882 3.118 20 H -0.284 1.284 21 H -0.291 1.291 22 H -0.277 1.277 23 C -0.063 4.063 24 C 0.113 3.887 25 C -0.139 4.139 26 C 0.060 3.940 27 O -0.383 6.383 28 C 0.059 3.941 29 C -0.146 4.146 30 H 0.080 0.920 31 H 0.045 0.955 32 H 0.034 0.966 33 H 0.066 0.934 34 H 0.059 0.941 35 H 0.067 0.933 36 H 0.106 0.894 37 H 0.102 0.898 38 H 0.078 0.922 39 H 0.083 0.917 40 H 0.033 0.967 41 H 0.035 0.965 42 H 0.359 0.641 43 H 0.260 0.740 44 H 0.071 0.929 45 H 0.081 0.919 46 H 0.072 0.928 47 H 0.078 0.922 48 H 0.092 0.908 49 H 0.050 0.950 50 H 0.094 0.906 51 H 0.047 0.953 52 H 0.087 0.913 53 H 0.083 0.917 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -21.684 -3.093 0.242 21.905 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 -0.058 4.058 2 O -0.295 6.295 3 C 0.043 3.957 4 H 0.085 0.915 5 C -0.233 4.233 6 C -0.179 4.179 7 C 0.329 3.671 8 O -0.419 6.419 9 N -0.358 5.358 10 C -0.018 4.018 11 C -0.122 4.122 12 H 0.102 0.898 13 C 0.039 3.961 14 N -0.402 5.402 15 C -0.375 4.375 16 H 0.108 0.892 17 C -0.190 4.190 18 N -0.581 5.581 19 Si 0.712 3.288 20 H -0.210 1.210 21 H -0.217 1.217 22 H -0.204 1.204 23 C -0.064 4.064 24 C -0.010 4.010 25 C -0.177 4.177 26 C -0.016 4.016 27 O -0.302 6.302 28 C -0.018 4.018 29 C -0.184 4.184 30 H 0.099 0.901 31 H 0.063 0.937 32 H 0.053 0.947 33 H 0.085 0.915 34 H 0.078 0.922 35 H 0.086 0.914 36 H 0.125 0.875 37 H 0.121 0.879 38 H 0.096 0.904 39 H 0.101 0.899 40 H 0.050 0.950 41 H 0.053 0.947 42 H 0.192 0.808 43 H 0.070 0.930 44 H 0.089 0.911 45 H 0.099 0.901 46 H 0.091 0.909 47 H 0.096 0.904 48 H 0.110 0.890 49 H 0.068 0.932 50 H 0.113 0.887 51 H 0.066 0.934 52 H 0.105 0.895 53 H 0.102 0.898 Dipole moment (debyes) X Y Z Total from point charges -22.026 -3.394 0.640 22.296 hybrid contribution -0.269 0.269 -1.694 1.736 sum -22.296 -3.125 -1.054 22.538 Atomic orbital electron populations 1.22678 0.81175 1.02343 0.99624 1.87896 1.19669 1.27033 1.94946 1.21779 0.93451 0.85740 0.94681 0.91466 1.22306 1.02568 1.01867 0.96591 1.21856 0.99057 1.04700 0.92286 1.20123 0.83257 0.76435 0.87328 1.90669 1.22706 1.50652 1.77838 1.49070 1.07082 1.69730 1.09895 1.22621 0.78706 0.99919 1.00522 1.22410 0.95379 0.98545 0.95817 0.89831 1.20816 0.86906 0.97452 0.90906 1.42743 1.14361 1.79867 1.03237 1.19034 0.88420 1.34846 0.95166 0.89174 1.24669 0.95910 1.01100 0.97336 1.69694 1.07058 1.50594 1.30740 0.86587 0.77758 0.77983 0.86425 1.21026 1.21694 1.20354 1.21115 0.94675 0.95088 0.95570 1.22457 0.98531 0.98463 0.81510 1.22143 1.01025 0.95513 0.98987 1.22636 0.93906 1.00951 0.84151 1.87911 1.77267 1.25901 1.39105 1.22676 0.97527 0.82501 0.99086 1.22311 0.99862 1.03187 0.93007 0.90108 0.93664 0.94706 0.91535 0.92194 0.91356 0.87548 0.87934 0.90387 0.89857 0.94966 0.94689 0.80825 0.93007 0.91058 0.90068 0.90919 0.90378 0.89011 0.93189 0.88747 0.93434 0.89453 0.89801 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 14. 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 0.04 0.38 10.82 101.05 1.09 1.47 16 2 O -0.38 -4.74 9.58 -49.66 -0.48 -5.21 16 3 C 0.10 1.09 2.27 -26.73 -0.06 1.03 16 4 H 0.07 0.73 7.60 -51.94 -0.39 0.34 16 5 C -0.18 -1.48 9.53 37.16 0.35 -1.12 16 6 C -0.14 -1.51 4.39 -27.88 -0.12 -1.64 16 7 C 0.54 7.33 7.79 -10.99 -0.09 7.25 16 8 O -0.54 -8.83 15.69 -8.87 -0.14 -8.97 16 9 N -0.62 -7.96 3.32 -169.35 -0.56 -8.52 16 10 C 0.10 1.36 6.14 -2.31 -0.01 1.34 16 11 C -0.10 -1.39 2.78 -89.25 -0.25 -1.64 16 12 H 0.08 1.20 7.71 -51.93 -0.40 0.80 16 13 C 0.17 2.84 4.39 -4.04 -0.02 2.82 16 14 N -0.76 -16.54 5.24 -59.91 -0.31 -16.85 16 15 C -0.24 -6.60 10.47 -15.06 -0.16 -6.76 16 16 H 0.09 2.62 8.06 -52.48 -0.42 2.19 16 17 C 0.01 0.16 5.50 -17.43 -0.10 0.07 16 18 N -0.93 -28.58 13.97 55.49 0.78 -27.80 16 19 Si 0.88 21.15 27.73 -169.99 -4.71 16.43 16 20 H -0.28 -6.68 7.11 56.52 0.40 -6.27 16 21 H -0.29 -7.16 7.11 56.52 0.40 -6.75 16 22 H -0.28 -6.20 6.52 56.52 0.37 -5.83 16 23 C -0.06 -0.74 0.69 -153.86 -0.11 -0.84 16 24 C 0.11 1.35 5.11 -2.57 -0.01 1.33 16 25 C -0.14 -1.58 4.68 -26.84 -0.13 -1.71 16 26 C 0.06 0.65 6.64 37.26 0.25 0.89 16 27 O -0.38 -4.66 10.75 -35.23 -0.38 -5.04 16 28 C 0.06 0.61 6.65 37.26 0.25 0.86 16 29 C -0.15 -1.64 3.63 -26.84 -0.10 -1.74 16 30 H 0.08 0.70 8.14 -51.93 -0.42 0.28 16 31 H 0.04 0.47 8.09 -51.93 -0.42 0.05 16 32 H 0.03 0.28 7.87 -51.93 -0.41 -0.13 16 33 H 0.07 0.58 8.14 -51.93 -0.42 0.15 16 34 H 0.06 0.46 7.87 -51.93 -0.41 0.05 16 35 H 0.07 0.49 8.14 -51.93 -0.42 0.07 16 36 H 0.11 0.95 8.14 -51.93 -0.42 0.53 16 37 H 0.10 1.09 7.95 -51.93 -0.41 0.67 16 38 H 0.08 0.96 7.31 -51.93 -0.38 0.58 16 39 H 0.08 1.12 7.80 -51.93 -0.41 0.71 16 40 H 0.03 0.55 6.90 -51.93 -0.36 0.19 16 41 H 0.04 0.63 6.64 -51.93 -0.34 0.28 16 42 H 0.36 7.64 5.38 -40.82 -0.22 7.42 16 43 H 0.26 7.59 8.31 -40.82 -0.34 7.25 16 44 H 0.07 0.80 7.78 -51.93 -0.40 0.40 16 45 H 0.08 1.02 5.92 -51.93 -0.31 0.71 16 46 H 0.07 0.85 8.14 -51.93 -0.42 0.43 16 47 H 0.08 0.93 8.14 -51.93 -0.42 0.51 16 48 H 0.09 0.87 8.14 -51.93 -0.42 0.45 16 49 H 0.05 0.53 6.52 -51.93 -0.34 0.19 16 50 H 0.09 0.86 8.14 -51.93 -0.42 0.44 16 51 H 0.05 0.45 7.55 -51.93 -0.39 0.06 16 52 H 0.09 1.09 6.62 -51.93 -0.34 0.75 16 53 H 0.08 0.92 6.89 -51.92 -0.36 0.56 16 LS Contribution 402.41 15.07 6.06 6.06 Total: -1.00 -32.98 402.41 -8.22 -41.20 By element: Atomic # 1 Polarization: 16.35 SS G_CDS: -9.27 Total: 7.08 kcal Atomic # 6 Polarization: 0.82 SS G_CDS: 0.80 Total: 1.62 kcal Atomic # 7 Polarization: -53.07 SS G_CDS: -0.10 Total: -53.17 kcal Atomic # 8 Polarization: -18.23 SS G_CDS: -0.99 Total: -19.22 kcal Atomic # 14 Polarization: 21.15 SS G_CDS: -4.71 Total: 16.43 kcal Total LS contribution 6.06 Total: 6.06 kcal Total: -32.98 -8.22 -41.20 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. ZINC001186301821.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 -71.588 kcal (2) G-P(sol) polarization free energy of solvation -32.983 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -104.571 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.217 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -41.200 kcal (6) G-S(sol) free energy of system = (1) + (5) -112.788 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.11 seconds