Wall clock time and date at job start Sat Apr 11 2020 06:12:22 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 1.53003 * 1 3 3 O 1.42900 * 109.46930 * 2 1 4 4 C 1.42897 * 113.99951 * 184.96479 * 3 2 1 5 5 H 1.09008 * 109.46952 * 334.12523 * 4 3 2 6 6 C 1.50700 * 109.47252 * 214.12891 * 4 3 2 7 7 O 1.21284 * 119.99892 * 331.45483 * 6 4 3 8 8 N 1.34775 * 120.00325 * 151.44945 * 6 4 3 9 9 C 1.46930 * 120.62992 * 174.66980 * 8 6 4 10 10 C 1.53189 * 108.77036 * 126.37631 * 9 8 6 11 11 C 1.53038 * 109.31824 * 54.63605 * 10 9 8 12 12 C 1.52999 * 109.46184 * 178.62911 * 11 10 9 13 13 N 1.46504 * 109.45827 * 58.65335 * 11 10 9 14 14 C 1.36933 * 119.99815 * 179.97438 * 13 11 10 15 15 H 1.08010 * 120.00056 * 359.72319 * 14 13 11 16 16 C 1.38815 * 120.00234 * 179.72359 * 14 13 11 17 17 N 1.31618 * 119.99395 * 0.02562 * 16 14 13 18 18 Si 1.86798 * 120.00159 * 179.97438 * 16 14 13 19 19 H 1.48504 * 109.47277 * 0.02562 * 18 16 14 20 20 H 1.48504 * 109.46962 * 120.00120 * 18 16 14 21 21 H 1.48495 * 109.47247 * 240.00164 * 18 16 14 22 22 C 1.53042 * 109.52685 * 298.64004 * 11 10 9 23 23 C 1.46923 * 120.63203 * 354.65576 * 8 6 4 24 24 C 1.53001 * 109.47606 * 94.12681 * 4 3 2 25 25 H 1.09002 * 110.43239 * 294.55741 * 24 4 3 26 26 C 1.54809 * 110.48678 * 172.01498 * 24 4 3 27 27 C 1.55227 * 101.98612 * 220.51543 * 26 24 4 28 28 O 1.44386 * 103.56292 * 36.88420 * 27 26 24 29 29 C 1.43739 * 106.97257 * 320.00972 * 28 27 26 30 30 H 1.08998 * 109.47171 * 60.00299 * 1 2 3 31 31 H 1.09002 * 109.46839 * 180.02562 * 1 2 3 32 32 H 1.09005 * 109.46854 * 299.99930 * 1 2 3 33 33 H 1.08996 * 109.47139 * 239.99512 * 2 1 3 34 34 H 1.08998 * 109.47171 * 119.99701 * 2 1 3 35 35 H 1.08996 * 109.58402 * 6.58987 * 9 8 6 36 36 H 1.09002 * 109.70484 * 246.23179 * 9 8 6 37 37 H 1.09006 * 109.49580 * 294.67880 * 10 9 8 38 38 H 1.09002 * 109.49579 * 174.58850 * 10 9 8 39 39 H 1.09004 * 109.46765 * 300.02212 * 12 11 10 40 40 H 1.08992 * 109.47125 * 60.02374 * 12 11 10 41 41 H 1.09003 * 109.46968 * 180.02562 * 12 11 10 42 42 H 0.96998 * 119.99964 * 359.70037 * 13 11 10 43 43 H 0.97004 * 119.99544 * 179.97438 * 17 16 14 44 44 H 1.08993 * 109.50218 * 181.30805 * 22 11 10 45 45 H 1.09000 * 109.49569 * 301.41030 * 22 11 10 46 46 H 1.09005 * 109.58490 * 353.41083 * 23 8 6 47 47 H 1.08994 * 109.59091 * 113.69402 * 23 8 6 48 48 H 1.08996 * 110.91239 * 338.64143 * 26 24 4 49 49 H 1.09003 * 110.90802 * 102.24329 * 26 24 4 50 50 H 1.08998 * 110.52172 * 278.38881 * 27 26 24 51 51 H 1.08997 * 110.77807 * 155.50117 * 27 26 24 52 52 H 1.09004 * 109.87748 * 267.08846 * 29 28 27 53 53 H 1.09001 * 109.88156 * 145.94175 * 29 28 27 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 1.3473 0.0000 4 6 3.4262 1.4618 -0.1130 5 1 3.8955 0.5566 0.2726 6 6 3.8992 2.6509 0.6829 7 8 3.1638 3.6009 0.8488 8 7 5.1394 2.6586 1.2104 9 6 5.6571 3.8550 1.8883 10 6 6.1424 3.4583 3.2861 11 6 7.1545 2.3167 3.1656 12 6 7.6669 1.9408 4.5574 13 7 8.2790 2.7474 2.3312 14 6 9.3149 1.8875 2.0814 15 1 9.3051 0.8932 2.5031 16 6 10.3777 2.2936 1.2861 17 7 10.3898 3.5054 0.7726 18 14 11.7912 1.1207 0.9458 19 1 11.5394 -0.1708 1.6341 20 1 11.9005 0.8885 -0.5169 21 1 13.0570 1.7118 1.4491 22 6 6.4805 1.1011 2.5251 23 6 5.9993 1.4708 1.1187 24 6 3.8076 1.6476 -1.5830 25 1 3.5589 0.7546 -2.1564 26 6 5.3153 1.9735 -1.7145 27 6 5.3143 3.0633 -2.8199 28 8 4.1184 3.8240 -2.5444 29 6 3.0984 2.8821 -2.1723 30 1 -0.3633 0.5138 -0.8900 31 1 -0.3633 -1.0277 0.0005 32 1 -0.3633 0.5139 0.8900 33 1 1.8934 -0.5139 -0.8899 34 1 1.8934 -0.5138 0.8900 35 1 4.8645 4.5982 1.9739 36 1 6.4876 4.2704 1.3174 37 1 5.2936 3.1303 3.8863 38 1 6.6164 4.3158 3.7636 39 1 8.1475 2.8063 5.0136 40 1 6.8304 1.6204 5.1783 41 1 8.3882 1.1280 4.4717 42 1 8.2878 3.6404 1.9526 43 1 11.1327 3.7894 0.2172 44 1 7.1952 0.2807 2.4607 45 1 5.6286 0.7953 3.1324 46 1 5.4324 0.6410 0.6966 47 1 6.8569 1.6887 0.4823 48 1 5.7109 2.3691 -0.7791 49 1 5.8770 1.0950 -2.0320 50 1 5.2590 2.6056 -3.8076 51 1 6.1984 3.6958 -2.7402 52 1 2.5217 2.5938 -3.0513 53 1 2.4408 3.3242 -1.4239 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 ZINC001502790063.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 06:12:22 Heat of formation + Delta-G solvation = -100.901347 kcal Electronic energy + Delta-G solvation = -33231.617776 eV Core-core repulsion = 29104.280107 eV Total energy + Delta-G solvation = -4127.337669 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.08 seconds Orbital eigenvalues (eV) -40.89903 -38.98090 -38.06826 -37.30967 -34.66397 -33.24442 -32.30130 -31.20936 -30.77502 -29.27850 -29.07742 -27.92782 -26.28420 -23.97715 -23.40306 -23.02623 -22.77470 -22.20128 -21.04814 -19.39610 -18.14885 -17.32572 -17.15319 -16.79389 -16.73813 -15.99823 -15.40345 -15.35137 -14.96117 -14.87198 -14.50748 -14.23278 -13.88884 -13.76150 -13.48660 -13.35641 -12.95721 -12.92181 -12.60510 -12.51843 -12.49728 -12.30159 -12.10470 -11.71108 -11.57596 -11.49553 -11.38375 -11.25563 -11.16938 -10.98942 -10.95586 -10.86916 -10.83035 -10.58630 -10.35796 -10.28135 -9.85106 -9.70538 -9.58548 -9.50706 -9.18649 -8.98751 -8.22993 -7.01470 -5.82468 -3.11063 2.74750 2.93749 3.36624 3.42806 3.45588 3.72546 4.06359 4.39920 4.46939 4.52469 4.68659 4.74530 4.81715 4.98432 5.06420 5.12116 5.18952 5.24507 5.29306 5.33153 5.38975 5.42276 5.46012 5.52950 5.55697 5.68638 5.70299 5.75716 5.78062 5.81699 5.88517 5.90529 5.99137 6.02149 6.10261 6.16882 6.19297 6.25042 6.37289 6.42415 6.45771 6.49801 6.69368 6.83993 6.89874 6.97501 7.00575 7.05544 7.65934 7.70747 8.35542 8.41904 9.47477 10.04368 10.40095 11.39823 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.012289 B = 0.004016 C = 0.003581 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2277.829024 B = 6969.776804 C = 7816.772172 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 0.052 3.948 3 O -0.357 6.357 4 C 0.079 3.921 5 H 0.087 0.913 6 C 0.520 3.480 7 O -0.526 6.526 8 N -0.597 5.597 9 C 0.117 3.883 10 C -0.129 4.129 11 C 0.198 3.802 12 C -0.150 4.150 13 N -0.717 5.717 14 C -0.233 4.233 15 H 0.070 0.930 16 C -0.011 4.011 17 N -0.930 5.930 18 Si 0.899 3.101 19 H -0.282 1.282 20 H -0.293 1.293 21 H -0.293 1.293 22 C -0.136 4.136 23 C 0.109 3.891 24 C -0.135 4.135 25 H 0.091 0.909 26 C -0.175 4.175 27 C 0.049 3.951 28 O -0.373 6.373 29 C 0.054 3.946 30 H 0.063 0.937 31 H 0.070 0.930 32 H 0.064 0.936 33 H 0.049 0.951 34 H 0.050 0.950 35 H 0.084 0.916 36 H 0.078 0.922 37 H 0.062 0.938 38 H 0.074 0.926 39 H 0.050 0.950 40 H 0.035 0.965 41 H 0.055 0.945 42 H 0.384 0.616 43 H 0.254 0.746 44 H 0.076 0.924 45 H 0.048 0.952 46 H 0.065 0.935 47 H 0.096 0.904 48 H 0.107 0.893 49 H 0.085 0.915 50 H 0.056 0.944 51 H 0.096 0.904 52 H 0.054 0.946 53 H 0.102 0.898 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -14.998 -7.931 -2.518 17.152 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 -0.024 4.024 3 O -0.275 6.275 4 C 0.018 3.982 5 H 0.105 0.895 6 C 0.306 3.694 7 O -0.402 6.402 8 N -0.332 5.332 9 C -0.004 4.004 10 C -0.167 4.167 11 C 0.107 3.893 12 C -0.209 4.209 13 N -0.359 5.359 14 C -0.364 4.364 15 H 0.088 0.912 16 C -0.207 4.207 17 N -0.578 5.578 18 Si 0.731 3.269 19 H -0.207 1.207 20 H -0.220 1.220 21 H -0.220 1.220 22 C -0.176 4.176 23 C -0.013 4.013 24 C -0.154 4.154 25 H 0.109 0.891 26 C -0.212 4.212 27 C -0.028 4.028 28 O -0.292 6.292 29 C -0.023 4.023 30 H 0.082 0.918 31 H 0.089 0.911 32 H 0.083 0.917 33 H 0.068 0.932 34 H 0.068 0.932 35 H 0.102 0.898 36 H 0.096 0.904 37 H 0.081 0.919 38 H 0.093 0.907 39 H 0.069 0.931 40 H 0.054 0.946 41 H 0.074 0.926 42 H 0.219 0.781 43 H 0.064 0.936 44 H 0.094 0.906 45 H 0.067 0.933 46 H 0.083 0.917 47 H 0.114 0.886 48 H 0.125 0.875 49 H 0.104 0.896 50 H 0.074 0.926 51 H 0.115 0.885 52 H 0.072 0.928 53 H 0.120 0.880 Dipole moment (debyes) X Y Z Total from point charges -15.431 -7.156 -2.439 17.183 hybrid contribution 1.260 -1.130 -0.382 1.735 sum -14.170 -8.286 -2.820 16.655 Atomic orbital electron populations 1.21723 0.93434 1.02140 1.03389 1.22614 0.95926 0.83743 1.00146 1.88040 1.18953 1.26195 1.94345 1.22032 0.83349 0.98129 0.94675 0.89533 1.20039 0.81545 0.88301 0.79503 1.90663 1.53964 1.36449 1.59150 1.48133 1.13889 1.15438 1.55734 1.21571 0.99171 0.86725 0.92977 1.22085 0.98711 0.99648 0.96301 1.19519 0.87796 0.91300 0.90734 1.22213 0.99764 1.01634 0.97294 1.42525 1.19293 1.15822 1.58251 1.19148 0.97429 0.95381 1.24428 0.91168 1.24684 0.98644 0.96541 1.00806 1.69660 1.32537 1.17375 1.38222 0.86240 0.83018 0.80099 0.77541 1.20686 1.22027 1.22015 1.22328 0.99448 1.00606 0.95255 1.21929 0.94422 0.85672 0.99244 1.22925 0.96831 1.00532 0.95146 0.89084 1.23779 0.94327 1.00328 1.02777 1.23546 0.89129 0.93348 0.96736 1.88914 1.20927 1.30734 1.88635 1.23167 0.91287 0.88725 0.99074 0.91757 0.91101 0.91668 0.93244 0.93176 0.89782 0.90381 0.91936 0.90737 0.93090 0.94615 0.92578 0.78083 0.93597 0.90563 0.93311 0.91665 0.88608 0.87470 0.89646 0.92606 0.88546 0.92800 0.88026 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 -0.15 -1.21 10.28 37.16 0.38 -0.83 16 2 C 0.05 0.50 6.45 37.16 0.24 0.74 16 3 O -0.36 -4.79 8.94 -53.29 -0.48 -5.27 16 4 C 0.08 1.05 1.95 -27.88 -0.05 1.00 16 5 H 0.09 0.98 5.46 -51.92 -0.28 0.70 16 6 C 0.52 8.62 5.61 -10.99 -0.06 8.56 16 7 O -0.53 -10.51 15.08 -12.51 -0.19 -10.70 16 8 N -0.60 -9.55 2.13 -172.79 -0.37 -9.91 16 9 C 0.12 1.98 6.17 -3.71 -0.02 1.96 16 10 C -0.13 -2.06 4.96 -26.61 -0.13 -2.20 16 11 C 0.20 3.48 0.74 -131.78 -0.10 3.38 16 12 C -0.15 -2.54 8.44 37.16 0.31 -2.23 16 13 N -0.72 -15.61 4.14 -47.19 -0.20 -15.80 16 14 C -0.23 -5.68 8.68 -15.06 -0.13 -5.81 16 15 H 0.07 1.69 6.70 -52.48 -0.35 1.33 16 16 C -0.01 -0.28 5.50 -17.43 -0.10 -0.37 16 17 N -0.93 -26.06 13.06 55.49 0.72 -25.34 16 18 Si 0.90 20.98 29.55 -169.99 -5.02 15.95 16 19 H -0.28 -6.36 7.11 56.52 0.40 -5.95 16 20 H -0.29 -6.93 7.11 56.52 0.40 -6.52 16 21 H -0.29 -7.04 7.11 56.52 0.40 -6.64 16 22 C -0.14 -2.15 4.70 -26.62 -0.13 -2.27 16 23 C 0.11 1.65 4.21 -3.73 -0.02 1.64 16 24 C -0.13 -1.66 3.20 -89.10 -0.29 -1.95 16 25 H 0.09 0.90 8.14 -51.93 -0.42 0.48 16 26 C -0.17 -2.29 5.79 -24.60 -0.14 -2.43 16 27 C 0.05 0.68 7.72 38.34 0.30 0.97 16 28 O -0.37 -6.14 11.52 -35.23 -0.41 -6.55 16 29 C 0.05 0.77 6.71 37.73 0.25 1.03 16 30 H 0.06 0.53 8.14 -51.93 -0.42 0.10 16 31 H 0.07 0.42 8.14 -51.93 -0.42 0.00 16 32 H 0.06 0.57 8.14 -51.93 -0.42 0.15 16 33 H 0.05 0.39 8.14 -51.93 -0.42 -0.03 16 34 H 0.05 0.44 8.14 -51.93 -0.42 0.02 16 35 H 0.08 1.45 7.00 -51.93 -0.36 1.09 16 36 H 0.08 1.44 6.94 -51.93 -0.36 1.08 16 37 H 0.06 0.94 8.14 -51.93 -0.42 0.52 16 38 H 0.07 1.18 8.14 -51.93 -0.42 0.75 16 39 H 0.05 0.89 8.14 -51.93 -0.42 0.47 16 40 H 0.03 0.52 8.14 -51.93 -0.42 0.10 16 41 H 0.06 1.01 7.26 -51.93 -0.38 0.63 16 42 H 0.38 9.17 6.46 -40.82 -0.26 8.91 16 43 H 0.25 7.02 8.31 -40.82 -0.34 6.68 16 44 H 0.08 1.26 7.32 -51.93 -0.38 0.88 16 45 H 0.05 0.70 8.14 -51.93 -0.42 0.28 16 46 H 0.07 0.82 5.14 -51.93 -0.27 0.55 16 47 H 0.10 1.70 6.89 -51.93 -0.36 1.34 16 48 H 0.11 1.64 3.14 -51.93 -0.16 1.48 16 49 H 0.08 0.96 8.14 -51.93 -0.42 0.54 16 50 H 0.06 0.65 8.14 -51.93 -0.42 0.23 16 51 H 0.10 1.36 8.14 -51.93 -0.42 0.94 16 52 H 0.05 0.66 8.14 -51.93 -0.42 0.24 16 53 H 0.10 1.69 6.14 -51.93 -0.32 1.37 16 LS Contribution 395.76 15.07 5.96 5.96 Total: -1.00 -30.16 395.76 -8.61 -38.77 By element: Atomic # 1 Polarization: 20.67 SS G_CDS: -8.96 Total: 11.70 kcal Atomic # 6 Polarization: 0.86 SS G_CDS: 0.32 Total: 1.18 kcal Atomic # 7 Polarization: -51.22 SS G_CDS: 0.16 Total: -51.05 kcal Atomic # 8 Polarization: -21.45 SS G_CDS: -1.07 Total: -22.52 kcal Atomic # 14 Polarization: 20.98 SS G_CDS: -5.02 Total: 15.95 kcal Total LS contribution 5.96 Total: 5.96 kcal Total: -30.16 -8.61 -38.77 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. ZINC001502790063.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 -62.127 kcal (2) G-P(sol) polarization free energy of solvation -30.163 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -92.290 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.611 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -38.775 kcal (6) G-S(sol) free energy of system = (1) + (5) -100.901 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.08 seconds