Wall clock time and date at job start Wed Apr 1 2020 01:57:01 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 1.50697 * 1 3 3 C 1.38262 * 120.00179 * 2 1 4 4 C 1.38214 * 119.99931 * 179.74427 * 3 2 1 5 5 C 1.38251 * 120.00048 * 0.52984 * 4 3 2 6 6 C 1.38220 * 119.99874 * 359.74456 * 5 4 3 7 7 C 1.38210 * 120.00047 * 180.27153 * 2 1 3 8 8 C 1.50697 * 119.99851 * 0.02562 * 7 2 1 9 9 C 1.50701 * 109.47363 * 84.99664 * 8 7 2 10 10 O 1.21279 * 120.00168 * 0.02562 * 9 8 7 11 11 N 1.34774 * 120.00189 * 180.02562 * 9 8 7 12 12 C 1.46953 * 120.84683 * 359.72085 * 11 9 8 13 13 C 1.53610 * 108.77368 * 125.93256 * 12 11 9 14 14 C 1.53122 * 109.40388 * 54.30707 * 13 12 11 15 15 C 1.52847 * 109.34499 * 299.21742 * 14 13 12 16 16 H 1.09001 * 109.25590 * 302.49340 * 15 14 13 17 17 C 1.52775 * 109.56702 * 182.83833 * 15 14 13 18 18 N 1.46894 * 109.18524 * 293.08479 * 17 15 14 19 19 C 1.36936 * 120.77624 * 126.67146 * 18 17 15 20 20 H 1.08005 * 119.99860 * 207.49574 * 19 18 17 21 21 C 1.38810 * 119.99908 * 27.49436 * 19 18 17 22 22 N 1.31615 * 120.00043 * 17.31356 * 21 19 18 23 23 Si 1.86803 * 119.99985 * 197.31466 * 21 19 18 24 24 H 1.48499 * 109.47288 * 59.99550 * 23 21 19 25 25 H 1.48497 * 109.47126 * 180.02562 * 23 21 19 26 26 H 1.48501 * 109.46834 * 300.00124 * 23 21 19 27 27 C 1.46981 * 118.44890 * 306.64726 * 18 17 15 28 28 C 1.51467 * 108.80025 * 53.89751 * 27 18 17 29 29 C 1.47304 * 120.85123 * 180.02562 * 11 9 8 30 30 H 1.09013 * 110.07407 * 355.08910 * 29 11 9 31 31 H 1.08998 * 109.46878 * 269.72962 * 1 2 3 32 32 H 1.08991 * 109.47493 * 149.72453 * 1 2 3 33 33 H 1.09005 * 109.47090 * 29.72225 * 1 2 3 34 34 H 1.08005 * 119.99946 * 359.97438 * 3 2 1 35 35 H 1.08005 * 119.99672 * 180.29528 * 4 3 2 36 36 H 1.07998 * 120.00233 * 179.77170 * 5 4 3 37 37 H 1.08001 * 119.99844 * 179.97438 * 6 5 4 38 38 H 1.08996 * 109.47286 * 204.99891 * 8 7 2 39 39 H 1.09006 * 109.47034 * 324.99752 * 8 7 2 40 40 H 1.09007 * 109.54411 * 245.84729 * 12 11 9 41 41 H 1.08996 * 109.54080 * 6.11447 * 12 11 9 42 42 H 1.08997 * 109.61554 * 294.26318 * 13 12 11 43 43 H 1.08993 * 109.39301 * 174.21860 * 13 12 11 44 44 H 1.09003 * 109.49136 * 179.25225 * 14 13 12 45 45 H 1.09001 * 109.49270 * 59.17728 * 14 13 12 46 46 H 1.09001 * 109.51839 * 52.99470 * 17 15 14 47 47 H 1.08996 * 109.51945 * 173.11770 * 17 15 14 48 48 H 0.97000 * 120.00136 * 179.97438 * 22 21 19 49 49 H 1.09006 * 109.61240 * 174.05314 * 27 18 17 50 50 H 1.08998 * 109.61441 * 294.39303 * 27 18 17 51 51 H 1.09000 * 109.65776 * 184.62173 * 28 27 18 52 52 H 1.08996 * 108.37417 * 65.21399 * 28 27 18 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 1.5070 0.0000 0.0000 3 6 2.1983 1.1974 0.0000 4 6 3.5805 1.1973 0.0053 5 6 4.2717 0.0000 -0.0004 6 6 3.5806 -1.1970 -0.0061 7 6 2.1980 -1.1969 -0.0057 8 6 1.4445 -2.5020 -0.0124 9 6 1.0866 -2.8681 -1.4298 10 8 1.4117 -2.1411 -2.3445 11 7 0.4051 -4.0033 -1.6810 12 6 0.0070 -4.9008 -0.5875 13 6 -1.5073 -5.1435 -0.6736 14 6 -1.8621 -5.6532 -2.0732 15 6 -1.4690 -4.6010 -3.1099 16 1 -1.9773 -3.6642 -2.8818 17 6 -1.8849 -5.0738 -4.5018 18 7 -1.0837 -6.2480 -4.8723 19 6 -1.6871 -7.4080 -5.2791 20 1 -1.1925 -8.3560 -5.1270 21 6 -2.9343 -7.3654 -5.8869 22 7 -3.3875 -6.2325 -6.3803 23 14 -3.9694 -8.9159 -6.0046 24 1 -4.2529 -9.4266 -4.6393 25 1 -5.2481 -8.6063 -6.6933 26 1 -3.2297 -9.9475 -6.7752 27 6 0.3808 -6.1485 -4.7966 28 6 0.7674 -5.6845 -3.4075 29 6 0.0459 -4.3796 -3.0591 30 1 0.3314 -3.5862 -3.7501 31 1 -0.3633 -0.0048 1.0276 32 1 -0.3634 -0.8874 -0.5181 33 1 -0.3633 0.8925 -0.5095 34 1 1.6583 2.1327 -0.0004 35 1 4.1204 2.1327 0.0102 36 1 5.3517 0.0000 0.0001 37 1 4.1206 -2.1323 -0.0110 38 1 2.0692 -3.2845 0.4182 39 1 0.5336 -2.3986 0.5772 40 1 0.5373 -5.8485 -0.6823 41 1 0.2503 -4.4396 0.3696 42 1 -2.0388 -4.2117 -0.4807 43 1 -1.7973 -5.8875 0.0683 44 1 -2.9347 -5.8385 -2.1317 45 1 -1.3214 -6.5787 -2.2712 46 1 -2.9415 -5.3414 -4.4949 47 1 -1.7163 -4.2745 -5.2234 48 1 -4.2589 -6.2028 -6.8054 49 1 0.8247 -7.1234 -4.9983 50 1 0.7369 -5.4256 -5.5306 51 1 1.8449 -5.5270 -3.3602 52 1 0.4823 -6.4584 -2.6950 RHF calculation, no. of doubly occupied orbitals= 65 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 ZINC001021729911.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 01:57:01 Heat of formation + Delta-G solvation = 4.141883 kcal Electronic energy + Delta-G solvation = -31207.389716 eV Core-core repulsion = 27364.604504 eV Total energy + Delta-G solvation = -3842.785212 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 342.205 amu Computer time = 3.01 seconds Orbital eigenvalues (eV) -40.57799 -39.46975 -37.86374 -35.52719 -33.48992 -32.65249 -32.57492 -32.12394 -30.30139 -29.55585 -28.06736 -26.74014 -25.56471 -24.68403 -22.68612 -22.16057 -21.95018 -21.43121 -20.86980 -18.98246 -17.83105 -17.08950 -16.79217 -16.36503 -16.00626 -15.54749 -15.08191 -14.93403 -14.76204 -14.31751 -14.09741 -13.67379 -13.54131 -13.44126 -13.28551 -13.10635 -13.01942 -12.71741 -12.62359 -12.39307 -12.26963 -12.20798 -12.05333 -11.98751 -11.57387 -11.17851 -11.05955 -11.01104 -10.90911 -10.72745 -10.64300 -10.45117 -10.10202 -10.07473 -9.94986 -9.69404 -9.57478 -9.40714 -8.85072 -8.62481 -8.49255 -8.22440 -6.67835 -5.79214 -3.20924 1.25523 1.32974 2.80527 3.16881 3.37253 3.43530 3.43925 3.71183 4.48664 4.52745 4.67038 4.71393 4.84926 4.90753 4.97480 5.08868 5.16127 5.21785 5.22431 5.30809 5.38420 5.44826 5.46658 5.48841 5.50684 5.54793 5.60877 5.68767 5.73538 5.78776 5.90536 5.96719 6.07293 6.08605 6.10572 6.23384 6.36284 6.38158 6.41892 6.43672 6.49844 6.55960 6.56379 6.69483 6.79061 6.91717 6.94693 6.97816 7.05065 7.32448 7.61039 7.70211 7.78773 8.38977 8.43995 9.20467 9.83867 10.41520 11.29437 Molecular weight = 342.20amu Principal moments of inertia in cm(-1) A = 0.023846 B = 0.002637 C = 0.002611 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1173.899446 B =10615.304141 C =10721.522361 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.117 4.117 2 C -0.068 4.068 3 C -0.121 4.121 4 C -0.120 4.120 5 C -0.127 4.127 6 C -0.104 4.104 7 C -0.063 4.063 8 C -0.104 4.104 9 C 0.514 3.486 10 O -0.535 6.535 11 N -0.607 5.607 12 C 0.107 3.893 13 C -0.135 4.135 14 C -0.104 4.104 15 C -0.115 4.115 16 H 0.056 0.944 17 C 0.178 3.822 18 N -0.588 5.588 19 C -0.250 4.250 20 H 0.065 0.935 21 C 0.003 3.997 22 N -0.902 5.902 23 Si 0.900 3.100 24 H -0.284 1.284 25 H -0.291 1.291 26 H -0.283 1.283 27 C 0.147 3.853 28 C -0.139 4.139 29 C 0.156 3.844 30 H 0.093 0.907 31 H 0.069 0.931 32 H 0.066 0.934 33 H 0.067 0.933 34 H 0.120 0.880 35 H 0.119 0.881 36 H 0.119 0.881 37 H 0.119 0.881 38 H 0.098 0.902 39 H 0.101 0.899 40 H 0.069 0.931 41 H 0.076 0.924 42 H 0.060 0.940 43 H 0.068 0.932 44 H 0.060 0.940 45 H 0.077 0.923 46 H 0.092 0.908 47 H 0.018 0.982 48 H 0.254 0.746 49 H 0.056 0.944 50 H 0.017 0.983 51 H 0.050 0.950 52 H 0.064 0.936 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 9.550 9.508 17.998 22.484 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 -0.174 4.174 2 C -0.068 4.068 3 C -0.139 4.139 4 C -0.138 4.138 5 C -0.145 4.145 6 C -0.122 4.122 7 C -0.063 4.063 8 C -0.144 4.144 9 C 0.301 3.699 10 O -0.412 6.412 11 N -0.340 5.340 12 C -0.016 4.016 13 C -0.173 4.173 14 C -0.141 4.141 15 C -0.136 4.136 16 H 0.074 0.926 17 C 0.051 3.949 18 N -0.311 5.311 19 C -0.380 4.380 20 H 0.083 0.917 21 C -0.195 4.195 22 N -0.547 5.547 23 Si 0.730 3.270 24 H -0.211 1.211 25 H -0.217 1.217 26 H -0.209 1.209 27 C 0.020 3.980 28 C -0.179 4.179 29 C 0.054 3.946 30 H 0.111 0.889 31 H 0.088 0.912 32 H 0.085 0.915 33 H 0.086 0.914 34 H 0.138 0.862 35 H 0.137 0.863 36 H 0.137 0.863 37 H 0.137 0.863 38 H 0.116 0.884 39 H 0.119 0.881 40 H 0.087 0.913 41 H 0.094 0.906 42 H 0.078 0.922 43 H 0.086 0.914 44 H 0.079 0.921 45 H 0.095 0.905 46 H 0.110 0.890 47 H 0.036 0.964 48 H 0.064 0.936 49 H 0.075 0.925 50 H 0.035 0.965 51 H 0.068 0.932 52 H 0.083 0.917 Dipole moment (debyes) X Y Z Total from point charges 9.555 9.914 17.399 22.188 hybrid contribution -0.568 -0.806 -0.084 0.989 sum 8.987 9.109 17.315 21.530 Atomic orbital electron populations 1.20829 0.91385 1.03297 1.01862 1.19707 0.95935 0.92591 0.98574 1.20975 0.94283 0.97289 1.01355 1.21085 0.94297 0.97933 1.00448 1.21045 0.99662 0.92496 1.01253 1.20962 0.93399 0.98187 0.99685 1.19172 0.93435 0.93247 1.00453 1.20742 1.01692 0.96146 0.95782 1.20379 0.78011 0.80786 0.90714 1.90715 1.53582 1.50364 1.46517 1.48551 1.55188 1.21675 1.08570 1.21806 0.96115 0.94358 0.89364 1.22051 0.94785 1.01257 0.99203 1.21448 1.01457 0.99440 0.91780 1.22030 0.93768 0.97884 0.99920 0.92584 1.20704 0.97908 0.88251 0.88025 1.44031 0.98886 1.11727 1.76448 1.19099 1.01159 0.85242 1.32459 0.91749 1.25016 1.00090 0.96690 0.97738 1.70018 1.19533 1.25224 1.39879 0.86405 0.79842 0.83035 0.77697 1.21074 1.21694 1.20940 1.20552 0.86606 0.98490 0.92390 1.22070 0.98237 0.96758 1.00816 1.21311 0.95084 0.96994 0.81170 0.88868 0.91224 0.91466 0.91401 0.86227 0.86312 0.86259 0.86310 0.88371 0.88132 0.91263 0.90611 0.92170 0.91380 0.92111 0.90490 0.89000 0.96377 0.93571 0.92500 0.96503 0.93163 0.91741 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -0.12 -1.22 9.22 36.00 0.33 -0.89 16 2 C -0.07 -0.81 5.88 -104.62 -0.62 -1.42 16 3 C -0.12 -1.32 9.70 -39.58 -0.38 -1.70 16 4 C -0.12 -1.22 10.05 -39.59 -0.40 -1.62 16 5 C -0.13 -1.32 10.05 -39.58 -0.40 -1.72 16 6 C -0.10 -1.19 9.68 -39.58 -0.38 -1.57 16 7 C -0.06 -0.76 4.37 -104.63 -0.46 -1.21 16 8 C -0.10 -1.13 3.50 -29.04 -0.10 -1.23 16 9 C 0.51 7.66 6.93 -10.99 -0.08 7.58 16 10 O -0.54 -10.23 15.49 5.56 0.09 -10.14 16 11 N -0.61 -8.82 2.66 -164.59 -0.44 -9.26 16 12 C 0.11 1.22 5.89 -3.48 -0.02 1.20 16 13 C -0.13 -1.66 6.10 -26.35 -0.16 -1.82 16 14 C -0.10 -1.72 4.81 -26.75 -0.13 -1.85 16 15 C -0.11 -2.14 2.50 -90.72 -0.23 -2.37 16 16 H 0.06 1.04 8.14 -51.93 -0.42 0.61 16 17 C 0.18 4.13 4.68 -3.94 -0.02 4.12 16 18 N -0.59 -14.20 2.57 -173.59 -0.45 -14.65 16 19 C -0.25 -6.62 9.60 -15.06 -0.14 -6.77 16 20 H 0.06 1.68 7.89 -52.48 -0.41 1.26 16 21 C 0.00 0.09 4.92 -17.43 -0.09 0.00 16 22 N -0.90 -25.78 11.18 55.49 0.62 -25.16 16 23 Si 0.90 21.26 29.59 -169.99 -5.03 16.24 16 24 H -0.28 -6.61 7.11 56.52 0.40 -6.21 16 25 H -0.29 -6.97 7.11 56.52 0.40 -6.57 16 26 H -0.28 -6.65 7.11 56.52 0.40 -6.25 16 27 C 0.15 3.05 6.46 -4.55 -0.03 3.02 16 28 C -0.14 -2.43 4.90 -27.44 -0.13 -2.57 16 29 C 0.16 2.76 2.69 -67.33 -0.18 2.58 16 30 H 0.09 1.90 7.06 -51.92 -0.37 1.53 16 31 H 0.07 0.58 8.14 -51.93 -0.42 0.15 16 32 H 0.07 0.79 6.16 -51.93 -0.32 0.47 16 33 H 0.07 0.66 8.08 -51.93 -0.42 0.25 16 34 H 0.12 1.06 8.06 -52.48 -0.42 0.63 16 35 H 0.12 0.93 8.06 -52.48 -0.42 0.50 16 36 H 0.12 0.97 8.06 -52.49 -0.42 0.55 16 37 H 0.12 1.17 8.06 -52.49 -0.42 0.74 16 38 H 0.10 0.85 7.84 -51.93 -0.41 0.45 16 39 H 0.10 0.91 6.57 -51.93 -0.34 0.57 16 40 H 0.07 0.78 7.23 -51.92 -0.38 0.40 16 41 H 0.08 0.64 5.96 -51.93 -0.31 0.33 16 42 H 0.06 0.73 8.14 -51.93 -0.42 0.31 16 43 H 0.07 0.72 8.14 -51.93 -0.42 0.29 16 44 H 0.06 1.07 8.14 -51.93 -0.42 0.65 16 45 H 0.08 1.41 6.09 -51.93 -0.32 1.09 16 46 H 0.09 2.38 6.03 -51.93 -0.31 2.07 16 47 H 0.02 0.46 8.14 -51.93 -0.42 0.04 16 48 H 0.25 7.07 8.31 -40.82 -0.34 6.73 16 49 H 0.06 1.15 7.94 -51.93 -0.41 0.74 16 50 H 0.02 0.37 8.14 -51.93 -0.42 -0.05 16 51 H 0.05 0.83 8.14 -51.93 -0.42 0.41 16 52 H 0.06 1.10 5.31 -51.93 -0.28 0.83 16 LS Contribution 392.56 15.07 5.92 5.92 Total: -1.00 -31.38 392.56 -11.38 -42.77 By element: Atomic # 1 Polarization: 11.01 SS G_CDS: -8.48 Total: 2.53 kcal Atomic # 6 Polarization: -4.62 SS G_CDS: -3.61 Total: -8.23 kcal Atomic # 7 Polarization: -48.80 SS G_CDS: -0.26 Total: -49.07 kcal Atomic # 8 Polarization: -10.23 SS G_CDS: 0.09 Total: -10.14 kcal Atomic # 14 Polarization: 21.26 SS G_CDS: -5.03 Total: 16.24 kcal Total LS contribution 5.92 Total: 5.92 kcal Total: -31.38 -11.38 -42.77 kcal The number of atoms in the molecule is 52 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. ZINC001021729911.mol2 52 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 46.908 kcal (2) G-P(sol) polarization free energy of solvation -31.384 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 15.524 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.382 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.766 kcal (6) G-S(sol) free energy of system = (1) + (5) 4.142 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 3.01 seconds