Wall clock time and date at job start Sat Apr 11 2020 06:11:49 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 1.42895 * 1 3 3 C 1.42901 * 113.99746 * 2 1 4 4 C 1.52999 * 109.47155 * 270.00106 * 3 2 1 5 5 C 1.53006 * 109.46717 * 179.97438 * 4 3 2 6 6 C 1.52999 * 109.47336 * 60.00377 * 5 4 3 7 7 C 1.53000 * 109.47451 * 179.97438 * 6 5 4 8 8 C 1.50698 * 109.47246 * 184.99999 * 7 6 5 9 9 O 1.21281 * 120.00058 * 359.97438 * 8 7 6 10 10 N 1.34773 * 119.99647 * 180.02562 * 8 7 6 11 11 C 1.46501 * 119.99644 * 175.07362 * 10 8 7 12 12 C 1.52995 * 112.94788 * 303.26072 * 11 10 8 13 13 C 1.52996 * 109.47394 * 304.10275 * 12 11 10 14 14 O 1.42895 * 109.47646 * 175.18293 * 13 12 11 15 15 C 1.53949 * 113.74175 * 171.66784 * 11 10 8 16 16 N 1.47814 * 86.03742 * 222.08461 * 15 11 10 17 17 C 1.36936 * 134.45585 * 204.64231 * 16 15 11 18 18 H 1.08004 * 119.99793 * 179.87348 * 17 16 15 19 19 C 1.38806 * 120.00202 * 359.86859 * 17 16 15 20 20 N 1.31625 * 119.99897 * 359.97438 * 19 17 16 21 21 Si 1.86801 * 120.00114 * 180.02562 * 19 17 16 22 22 H 1.48491 * 109.47199 * 359.97438 * 21 19 17 23 23 H 1.48498 * 109.47373 * 120.00377 * 21 19 17 24 24 H 1.48502 * 109.46899 * 239.99812 * 21 19 17 25 25 C 1.47585 * 91.05013 * 24.55223 * 16 15 11 26 26 C 1.52999 * 109.46910 * 299.99505 * 6 5 4 27 27 C 1.53002 * 109.47284 * 149.99685 * 3 2 1 28 28 H 1.09000 * 109.47260 * 299.99452 * 1 2 3 29 29 H 1.09003 * 109.47390 * 60.00640 * 1 2 3 30 30 H 1.09004 * 109.46725 * 179.97438 * 1 2 3 31 31 H 1.09007 * 109.47204 * 30.00249 * 3 2 1 32 32 H 1.09001 * 109.47385 * 59.99940 * 4 3 2 33 33 H 1.09000 * 109.47161 * 299.99471 * 4 3 2 34 34 H 1.08997 * 109.47773 * 299.99588 * 5 4 3 35 35 H 1.09004 * 109.46501 * 179.97438 * 5 4 3 36 36 H 1.08998 * 109.47092 * 59.99437 * 6 5 4 37 37 H 1.09004 * 109.46712 * 304.99853 * 7 6 5 38 38 H 1.09000 * 109.46910 * 64.99222 * 7 6 5 39 39 H 0.96995 * 120.00772 * 355.07346 * 10 8 7 40 40 H 1.09006 * 109.47290 * 64.10213 * 12 11 10 41 41 H 1.08995 * 109.47412 * 184.10212 * 12 11 10 42 42 H 1.09004 * 109.47304 * 295.18679 * 13 12 11 43 43 H 1.09000 * 109.46934 * 55.17959 * 13 12 11 44 44 H 0.96703 * 114.00297 * 179.97438 * 14 13 12 45 45 H 1.08997 * 113.77072 * 336.35156 * 15 11 10 46 46 H 1.09002 * 113.76861 * 107.74887 * 15 11 10 47 47 H 0.97003 * 119.99936 * 179.97438 * 20 19 17 48 48 H 1.09002 * 113.76323 * 221.15143 * 25 16 15 49 49 H 1.08996 * 113.87718 * 89.76628 * 25 16 15 50 50 H 1.09001 * 109.47385 * 179.97438 * 26 6 5 51 51 H 1.09000 * 109.47161 * 300.00410 * 26 6 5 52 52 H 1.08998 * 109.46658 * 60.00237 * 27 3 2 53 53 H 1.09000 * 109.47477 * 300.00535 * 27 3 2 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 1.3055 0.0000 4 6 2.2175 1.7714 -1.4425 5 6 2.8392 3.1695 -1.4424 6 6 4.1878 3.1279 -0.7210 7 6 4.8098 4.5258 -0.7214 8 6 6.1904 4.4615 -0.1209 9 8 6.6332 3.4021 0.2696 10 7 6.9327 5.5816 -0.0167 11 6 8.2294 5.5403 0.6640 12 6 8.1325 5.0244 2.1011 13 6 7.1324 5.8782 2.8832 14 8 6.9575 5.3293 4.1908 15 6 9.0438 6.8393 0.5254 16 7 10.2138 5.9618 0.3109 17 6 11.5646 6.1051 0.4838 18 1 12.2290 5.2869 0.2480 19 6 12.0800 7.3019 0.9621 20 7 11.2703 8.2992 1.2490 21 14 13.9228 7.4977 1.1973 22 1 14.6082 6.2402 0.8050 23 1 14.4140 8.6146 0.3510 24 1 14.2110 7.7937 2.6237 25 6 9.3418 4.8690 -0.1619 26 6 3.9804 2.6620 0.7215 27 6 3.3588 1.2634 0.7213 28 1 -0.3634 0.5137 0.8900 29 1 -0.3634 0.5137 -0.8900 30 1 -0.3633 -1.0277 -0.0005 31 1 1.3448 1.9994 0.5139 32 1 1.2567 1.8015 -1.9564 33 1 2.8829 1.0776 -1.9563 34 1 2.1736 3.8632 -0.9287 35 1 2.9874 3.5012 -2.4701 36 1 4.8534 2.4343 -1.2347 37 1 4.8757 4.8938 -1.7454 38 1 4.1882 5.2002 -0.1324 39 1 6.6086 6.4150 -0.3923 40 1 7.7967 3.9874 2.0931 41 1 9.1117 5.0855 2.5759 42 1 7.5102 6.8974 2.9645 43 1 6.1754 5.8861 2.3615 44 1 6.3354 5.8213 4.7440 45 1 8.7756 7.4350 -0.3472 46 1 9.0953 7.4256 1.4428 47 1 11.6305 9.1355 1.5836 48 1 9.6307 3.8852 0.2079 49 1 9.1603 4.8830 -1.2366 50 1 4.9412 2.6319 1.2353 51 1 3.3147 3.3556 1.2352 52 1 4.0241 0.5695 0.2075 53 1 3.2111 0.9314 1.7490 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 ZINC001276106923.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 06:11:49 Heat of formation + Delta-G solvation = -99.701858 kcal Electronic energy + Delta-G solvation = -31202.466601 eV Core-core repulsion = 27075.180945 eV Total energy + Delta-G solvation = -4127.285656 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.76 seconds Orbital eigenvalues (eV) -40.28004 -39.36342 -38.00298 -36.55741 -36.36543 -33.60706 -32.29400 -31.64436 -30.93568 -30.27080 -27.71606 -27.01159 -25.98009 -25.04956 -23.36391 -22.86121 -22.05599 -21.38267 -20.13955 -19.81285 -18.63845 -17.12033 -16.86767 -16.82431 -16.74411 -15.96743 -15.51992 -15.37435 -15.05921 -14.75459 -14.71053 -14.21599 -14.10669 -14.05433 -13.74177 -13.58961 -13.34174 -12.97244 -12.59239 -12.51980 -12.23571 -12.16502 -11.81003 -11.71561 -11.70795 -11.44272 -11.27695 -11.09005 -11.05559 -10.93925 -10.80386 -10.78097 -10.67546 -10.51267 -10.48761 -10.12381 -9.93588 -9.70390 -9.64400 -9.50954 -9.06534 -8.88754 -8.52576 -6.93657 -5.81780 -3.13410 2.95037 3.37385 3.42431 3.45657 3.46954 3.53860 4.43741 4.49024 4.49630 4.53175 4.65554 4.81938 4.90098 4.97785 5.06288 5.07860 5.16105 5.22448 5.24981 5.30613 5.34691 5.36345 5.41913 5.44025 5.47565 5.54222 5.55182 5.67501 5.74014 5.77718 5.85410 5.88932 5.94611 5.96404 6.05186 6.12555 6.33673 6.35974 6.40541 6.49519 6.54536 6.64529 6.79796 6.85700 6.98577 7.11281 7.32538 7.47654 7.88552 7.90375 7.94309 8.60411 9.00549 9.66532 10.52953 11.35974 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.023630 B = 0.002283 C = 0.002207 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1184.660475 B =12264.025039 C =12684.442621 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.031 3.969 2 O -0.387 6.387 3 C 0.088 3.912 4 C -0.138 4.138 5 C -0.112 4.112 6 C -0.072 4.072 7 C -0.139 4.139 8 C 0.509 3.491 9 O -0.531 6.531 10 N -0.719 5.719 11 C 0.126 3.874 12 C -0.096 4.096 13 C 0.083 3.917 14 O -0.574 6.574 15 C 0.165 3.835 16 N -0.605 5.605 17 C -0.217 4.217 18 H 0.083 0.917 19 C -0.008 4.008 20 N -0.923 5.923 21 Si 0.913 3.087 22 H -0.279 1.279 23 H -0.291 1.291 24 H -0.290 1.290 25 C 0.124 3.876 26 C -0.116 4.116 27 C -0.113 4.113 28 H 0.039 0.961 29 H 0.039 0.961 30 H 0.083 0.917 31 H 0.057 0.943 32 H 0.060 0.940 33 H 0.071 0.929 34 H 0.062 0.938 35 H 0.066 0.934 36 H 0.081 0.919 37 H 0.090 0.910 38 H 0.089 0.911 39 H 0.396 0.604 40 H 0.080 0.920 41 H 0.087 0.913 42 H 0.047 0.953 43 H 0.035 0.965 44 H 0.371 0.629 45 H 0.030 0.970 46 H 0.081 0.919 47 H 0.253 0.747 48 H 0.050 0.950 49 H 0.035 0.965 50 H 0.093 0.907 51 H 0.054 0.946 52 H 0.071 0.929 53 H 0.066 0.934 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -23.534 -7.255 -3.011 24.811 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 -0.065 4.065 2 O -0.306 6.306 3 C 0.031 3.969 4 C -0.176 4.176 5 C -0.150 4.150 6 C -0.091 4.091 7 C -0.180 4.180 8 C 0.295 3.705 9 O -0.408 6.408 10 N -0.370 5.370 11 C 0.039 3.961 12 C -0.134 4.134 13 C 0.006 3.994 14 O -0.379 6.379 15 C 0.039 3.961 16 N -0.332 5.332 17 C -0.345 4.345 18 H 0.100 0.900 19 C -0.204 4.204 20 N -0.570 5.570 21 Si 0.744 3.256 22 H -0.204 1.204 23 H -0.218 1.218 24 H -0.216 1.216 25 C -0.002 4.002 26 C -0.153 4.153 27 C -0.150 4.150 28 H 0.058 0.942 29 H 0.057 0.943 30 H 0.101 0.899 31 H 0.076 0.924 32 H 0.078 0.922 33 H 0.090 0.910 34 H 0.080 0.920 35 H 0.085 0.915 36 H 0.100 0.900 37 H 0.108 0.892 38 H 0.107 0.893 39 H 0.230 0.770 40 H 0.098 0.902 41 H 0.106 0.894 42 H 0.065 0.935 43 H 0.053 0.947 44 H 0.216 0.784 45 H 0.047 0.953 46 H 0.099 0.901 47 H 0.063 0.937 48 H 0.069 0.931 49 H 0.053 0.947 50 H 0.112 0.888 51 H 0.072 0.928 52 H 0.090 0.910 53 H 0.084 0.916 Dipole moment (debyes) X Y Z Total from point charges -22.343 -8.458 -2.858 24.061 hybrid contribution 0.128 1.471 -0.154 1.484 sum -22.215 -6.987 -3.012 23.482 Atomic orbital electron populations 1.22756 0.81536 1.02508 0.99748 1.87926 1.19270 1.28364 1.95069 1.22246 0.95206 0.83923 0.95524 1.21998 1.01079 0.97385 0.97164 1.21566 0.96398 0.96327 1.00668 1.20931 0.95762 0.95399 0.96980 1.21771 0.94285 0.99458 1.02440 1.20590 0.86845 0.84132 0.78893 1.90650 1.72592 1.28904 1.48624 1.46262 1.20974 1.11414 1.58352 1.22889 0.80192 1.01187 0.91785 1.21323 1.00231 1.00048 0.91799 1.22117 0.97846 0.96826 0.82613 1.86503 1.67879 1.57098 1.26383 1.22583 0.83118 0.90324 1.00042 1.45721 1.01552 1.11034 1.74863 1.19052 0.80018 0.98429 1.37003 0.89960 1.24774 0.98073 0.95901 1.01700 1.69799 1.33006 1.04031 1.50196 0.86020 0.84557 0.77576 0.77481 1.20395 1.21776 1.21650 1.22846 0.88156 0.93607 0.95638 1.21701 1.02329 0.94897 0.96411 1.21571 0.94677 0.98343 1.00440 0.94197 0.94257 0.89858 0.92444 0.92153 0.90980 0.91964 0.91549 0.90035 0.89179 0.89301 0.77014 0.90174 0.89447 0.93459 0.94680 0.78364 0.95281 0.90094 0.93669 0.93149 0.94741 0.88814 0.92751 0.90990 0.91570 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 0.22 10.82 101.05 1.09 1.32 16 2 O -0.39 -4.06 10.35 -35.23 -0.36 -4.43 16 3 C 0.09 0.83 2.61 -26.73 -0.07 0.76 16 4 C -0.14 -1.17 5.54 -26.73 -0.15 -1.32 16 5 C -0.11 -0.87 5.20 -26.73 -0.14 -1.01 16 6 C -0.07 -0.71 1.84 -90.62 -0.17 -0.87 16 7 C -0.14 -1.32 5.18 -27.88 -0.14 -1.47 16 8 C 0.51 7.03 7.11 -10.99 -0.08 6.95 16 9 O -0.53 -9.19 12.15 5.56 0.07 -9.12 16 10 N -0.72 -10.21 4.52 -49.07 -0.22 -10.43 16 11 C 0.13 2.33 0.68 -134.02 -0.09 2.24 16 12 C -0.10 -1.83 4.67 -26.74 -0.12 -1.95 16 13 C 0.08 1.35 6.86 37.16 0.25 1.60 16 14 O -0.57 -9.10 13.66 -35.23 -0.48 -9.58 16 15 C 0.17 3.66 6.69 -2.84 -0.02 3.65 16 16 N -0.61 -15.34 3.55 -177.47 -0.63 -15.97 16 17 C -0.22 -6.07 10.70 -15.06 -0.16 -6.23 16 18 H 0.08 2.25 7.83 -52.48 -0.41 1.84 16 19 C -0.01 -0.23 5.50 -17.43 -0.10 -0.33 16 20 N -0.92 -26.65 11.39 55.49 0.63 -26.02 16 21 Si 0.91 22.10 29.55 -169.99 -5.02 17.07 16 22 H -0.28 -6.58 7.11 56.52 0.40 -6.17 16 23 H -0.29 -7.06 7.11 56.52 0.40 -6.66 16 24 H -0.29 -7.05 7.11 56.52 0.40 -6.65 16 25 C 0.12 2.68 8.04 -2.96 -0.02 2.65 16 26 C -0.12 -1.25 4.95 -26.70 -0.13 -1.38 16 27 C -0.11 -1.19 5.58 -26.70 -0.15 -1.34 16 28 H 0.04 0.25 8.08 -51.93 -0.42 -0.17 16 29 H 0.04 0.24 7.87 -51.93 -0.41 -0.17 16 30 H 0.08 0.49 8.14 -51.93 -0.42 0.07 16 31 H 0.06 0.49 7.79 -51.92 -0.40 0.08 16 32 H 0.06 0.45 7.87 -51.93 -0.41 0.04 16 33 H 0.07 0.68 8.14 -51.93 -0.42 0.26 16 34 H 0.06 0.43 8.14 -51.93 -0.42 0.01 16 35 H 0.07 0.46 8.14 -51.93 -0.42 0.04 16 36 H 0.08 0.96 7.95 -51.93 -0.41 0.55 16 37 H 0.09 0.71 8.14 -51.93 -0.42 0.29 16 38 H 0.09 0.69 8.14 -51.93 -0.42 0.27 16 39 H 0.40 4.57 8.67 -40.82 -0.35 4.22 16 40 H 0.08 1.62 6.54 -51.93 -0.34 1.28 16 41 H 0.09 1.95 8.02 -51.93 -0.42 1.54 16 42 H 0.05 0.78 7.61 -51.93 -0.40 0.39 16 43 H 0.03 0.50 7.43 -51.93 -0.39 0.11 16 44 H 0.37 3.88 9.12 45.56 0.42 4.29 16 45 H 0.03 0.64 8.14 -51.93 -0.42 0.22 16 46 H 0.08 1.98 6.59 -51.93 -0.34 1.63 16 47 H 0.25 7.09 8.31 -40.82 -0.34 6.75 16 48 H 0.05 1.12 8.10 -51.93 -0.42 0.70 16 49 H 0.03 0.73 8.14 -51.93 -0.42 0.31 16 50 H 0.09 1.29 5.95 -51.93 -0.31 0.98 16 51 H 0.05 0.53 8.14 -51.93 -0.42 0.10 16 52 H 0.07 0.84 8.14 -51.93 -0.42 0.42 16 53 H 0.07 0.70 8.14 -51.93 -0.42 0.28 16 LS Contribution 411.74 15.07 6.20 6.20 Total: -1.00 -33.36 411.74 -8.81 -42.17 By element: Atomic # 1 Polarization: 15.63 SS G_CDS: -8.80 Total: 6.83 kcal Atomic # 6 Polarization: 3.46 SS G_CDS: -0.19 Total: 3.27 kcal Atomic # 7 Polarization: -52.20 SS G_CDS: -0.22 Total: -52.42 kcal Atomic # 8 Polarization: -22.35 SS G_CDS: -0.78 Total: -23.13 kcal Atomic # 14 Polarization: 22.10 SS G_CDS: -5.02 Total: 17.07 kcal Total LS contribution 6.20 Total: 6.20 kcal Total: -33.36 -8.81 -42.17 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. ZINC001276106923.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 -57.535 kcal (2) G-P(sol) polarization free energy of solvation -33.357 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -90.892 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.810 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.167 kcal (6) G-S(sol) free energy of system = (1) + (5) -99.702 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.76 seconds