Wall clock time and date at job start Fri Mar 5 2021 21:53:12 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= 0 * 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 O 2 2 C 1.42896 * 1 3 3 Si 1.86303 * 109.47470 * 2 1 4 4 C 1.50707 * 109.47176 * 239.99791 * 2 1 3 5 5 C 1.38246 * 119.97203 * 120.00237 * 4 2 1 6 6 C 1.38282 * 120.11172 * 180.02562 * 5 4 2 7 7 C 1.38121 * 120.05504 * 359.97438 * 6 5 4 8 8 C 1.38746 * 119.94556 * 359.97438 * 7 6 5 9 9 O 1.35900 * 120.05673 * 180.02562 * 8 7 6 10 10 C 1.42898 * 116.99946 * 0.02562 * 9 8 7 11 11 C 1.50702 * 109.47314 * 179.97438 * 10 9 8 12 12 O 1.21284 * 119.99719 * 0.02562 * 11 10 9 13 13 N 1.34776 * 120.00148 * 180.02562 * 11 10 9 14 14 C 1.46505 * 119.99778 * 180.02562 * 13 11 10 15 15 H 1.08997 * 112.85072 * 23.79872 * 14 13 11 16 16 C 1.53779 * 113.61103 * 155.00042 * 14 13 11 17 17 C 1.53785 * 87.08256 * 89.11432 * 16 14 13 18 18 H 1.08997 * 113.61317 * 270.79551 * 17 16 14 19 19 C 1.50701 * 113.61608 * 139.98041 * 17 16 14 20 20 C 1.38323 * 119.87756 * 301.25211 * 19 17 16 21 21 C 1.38031 * 120.11275 * 180.27085 * 20 19 17 22 22 C 1.39294 * 119.88304 * 0.02562 * 21 20 19 23 23 C 1.48465 * 120.11832 * 179.97438 * 22 21 20 24 24 N 1.31808 * 126.67302 * 0.02562 * 23 22 21 25 25 N 1.28872 * 107.82238 * 180.02562 * 24 23 22 26 26 N 1.28735 * 109.31215 * 359.97438 * 25 24 23 27 27 N 1.28987 * 108.94566 * 359.72666 * 26 25 24 28 28 C 1.39306 * 119.76611 * 359.97438 * 22 21 20 29 29 C 1.38019 * 119.88234 * 0.02562 * 28 22 21 30 30 C 1.53786 * 87.17316 * 25.38984 * 17 16 14 31 31 C 1.38169 * 119.97203 * 300.25327 * 4 2 1 32 32 H 0.96703 * 113.99881 * 60.00132 * 1 2 3 33 33 H 1.09006 * 109.47416 * 120.00371 * 2 1 3 34 34 H 1.48501 * 109.99720 * 298.68029 * 3 2 1 35 35 H 1.48500 * 109.99651 * 59.99476 * 3 2 1 36 36 H 1.07998 * 119.94102 * 359.97438 * 5 4 2 37 37 H 1.08003 * 119.97314 * 179.97438 * 6 5 4 38 38 H 1.08007 * 120.02775 * 179.97438 * 7 6 5 39 39 H 1.09000 * 109.47300 * 60.00311 * 10 9 8 40 40 H 1.08998 * 109.47483 * 299.99579 * 10 9 8 41 41 H 0.96994 * 119.99972 * 0.02562 * 13 11 10 42 42 H 1.08996 * 113.61885 * 334.56096 * 16 14 13 43 43 H 1.09005 * 113.61183 * 203.65783 * 16 14 13 44 44 H 1.07991 * 119.94436 * 0.27759 * 20 19 17 45 45 H 1.08003 * 120.05426 * 180.02562 * 21 20 19 46 46 H 0.96997 * 125.34407 * 179.97438 * 25 24 23 47 47 H 1.08000 * 120.05672 * 180.02562 * 28 22 21 48 48 H 1.08005 * 119.94509 * 179.97438 * 29 28 22 49 49 H 1.08992 * 113.61331 * 89.15671 * 30 17 16 50 50 H 1.08998 * 113.61141 * 220.06177 * 30 17 16 51 51 H 1.08003 * 120.02758 * 0.02562 * 31 4 2 Note: An asterisk (*) indicates this parameter was or will be optimized. Cartesian coordinates (angstroms) NO. Atom X Y Z 1 8 0.0000 0.0000 0.0000 2 6 1.4290 0.0000 0.0000 3 14 2.0501 1.7564 0.0000 4 6 1.9313 -0.7105 -1.2305 5 6 2.7261 -0.0381 -2.1401 6 6 3.1882 -0.6871 -3.2704 7 6 2.8570 -2.0094 -3.4929 8 6 2.0603 -2.6867 -2.5810 9 8 1.7335 -3.9879 -2.7975 10 6 2.2453 -4.5966 -3.9847 11 6 1.7830 -6.0292 -4.0543 12 8 1.0835 -6.4841 -3.1741 13 7 2.1467 -6.8049 -5.0947 14 6 1.6967 -8.1975 -5.1626 15 1 0.7864 -8.3765 -4.5904 16 6 1.6457 -8.7593 -6.5932 17 6 3.1096 -9.1862 -6.3935 18 1 3.8306 -8.4210 -6.6809 19 6 3.4287 -10.5390 -6.9758 20 6 2.7353 -11.6557 -6.5449 21 6 3.0275 -12.8979 -7.0709 22 6 4.0229 -13.0260 -8.0369 23 6 4.3418 -14.3597 -8.6057 24 7 3.7690 -15.5054 -8.2951 25 7 4.3235 -16.4284 -9.0032 26 7 5.2291 -15.9037 -9.7528 27 7 5.2642 -14.6321 -9.5395 28 6 4.7181 -11.8981 -8.4673 29 6 4.4180 -10.6606 -7.9348 30 6 2.8145 -9.2191 -4.8846 31 6 1.5929 -2.0318 -1.4512 32 1 -0.3933 0.4417 -0.7651 33 1 1.7924 -0.5139 0.8900 34 1 1.5880 2.4585 -1.2243 35 1 1.5615 2.4679 1.2084 36 1 2.9859 0.9960 -1.9680 37 1 3.8087 -0.1595 -3.9797 38 1 3.2178 -2.5157 -4.3761 39 1 3.3348 -4.5673 -3.9674 40 1 1.8811 -4.0541 -4.8572 41 1 2.7064 -6.4412 -5.7985 42 1 1.5145 -7.9942 -7.3584 43 1 0.9585 -9.5974 -6.7089 44 1 1.9640 -11.5553 -5.7957 45 1 2.4852 -13.7691 -6.7340 46 1 4.0946 -17.3706 -8.9757 47 1 5.4905 -11.9919 -9.2163 48 1 4.9567 -9.7856 -8.2674 49 1 2.4474 -10.1829 -4.5324 50 1 3.6255 -8.8245 -4.2725 51 1 0.9682 -2.5553 -0.7425 There are 74 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 74 No. of singly occupied orbitals= 1 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=0 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 m_280130_17857820_17899772.mol2 51 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Fri Mar 5 2021 21:53:12 Heat of formation + Delta-G solvation = 110.702734 kcal Electronic energy + Delta-G solvation = -35258.551585 eV Core-core repulsion = 30322.115528 eV Total energy + Delta-G solvation = -4936.436057 eV No. of doubly occupied orbitals = 74 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 408.163 amu Computer time = 1.58 seconds Orbital eigenvalues (eV) -45.41033 -41.83255 -41.32777 -40.37598 -39.28681 -38.61959 -37.29541 -35.45621 -34.92503 -34.18423 -32.51440 -32.05986 -31.89416 -31.39334 -29.35273 -26.98804 -26.88681 -26.64833 -25.71072 -24.35271 -23.70467 -23.64069 -22.81080 -22.19890 -21.68518 -20.43280 -20.07520 -19.38367 -18.64230 -18.09425 -18.04569 -17.70371 -17.50913 -17.38656 -17.13041 -16.79187 -16.51341 -16.26261 -16.18943 -15.66048 -15.52350 -15.31850 -15.13899 -14.85924 -14.79640 -14.61566 -14.46877 -14.29194 -14.12856 -13.93480 -13.73584 -13.70941 -13.52300 -13.35249 -13.08447 -12.99579 -12.58725 -12.42611 -12.34866 -12.21024 -12.15807 -12.10401 -12.01239 -11.88949 -11.60221 -11.59045 -11.36832 -10.95355 -10.65650 -10.24203 -9.99998 -9.95419 -9.52195 -9.29822 -4.95428 -0.32598 0.16999 0.21955 0.35641 0.37567 1.24069 1.28370 1.33641 1.39851 1.42061 1.60604 1.96839 2.48698 2.63628 2.69019 2.70395 3.20723 3.27590 3.36372 3.40526 3.50953 3.55822 3.60467 3.71245 3.74760 3.84621 3.85202 3.89021 3.94278 3.98341 4.08723 4.16467 4.24381 4.34553 4.35450 4.42513 4.49484 4.52662 4.53196 4.58379 4.61419 4.68829 4.79352 4.82485 4.86295 4.94273 4.96507 5.00948 5.20347 5.28803 5.32285 5.38171 5.39366 5.41278 5.43303 5.55914 5.61846 5.83552 6.18913 6.33548 6.41233 7.03356 7.17920 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 O -0.527 6.527 2 C -0.077 4.077 3 Si 0.689 3.311 4 C -0.078 4.078 5 C -0.153 4.153 6 C -0.073 4.073 7 C -0.206 4.206 8 C 0.129 3.871 9 O -0.288 6.288 10 C 0.041 3.959 11 C 0.519 3.481 12 O -0.508 6.508 13 N -0.711 5.711 14 C 0.120 3.880 15 H 0.108 0.892 16 C -0.134 4.134 17 C -0.077 4.077 18 H 0.100 0.900 19 C -0.051 4.051 20 C -0.119 4.119 21 C -0.075 4.075 22 C -0.023 4.023 23 C 0.217 3.783 24 N -0.294 5.294 25 N -0.226 5.226 26 N -0.046 5.046 27 N -0.269 5.269 28 C -0.072 4.072 29 C -0.117 4.117 30 C -0.143 4.143 31 C -0.121 4.121 32 H 0.376 0.624 33 H 0.121 0.879 34 H -0.260 1.260 35 H -0.257 1.257 36 H 0.130 0.870 37 H 0.131 0.869 38 H 0.130 0.870 39 H 0.096 0.904 40 H 0.095 0.905 41 H 0.403 0.597 42 H 0.079 0.921 43 H 0.101 0.899 44 H 0.132 0.868 45 H 0.133 0.867 46 H 0.477 0.523 47 H 0.137 0.863 48 H 0.131 0.869 49 H 0.098 0.902 50 H 0.077 0.923 51 H 0.136 0.864 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 3.458 0.930 -3.922 5.311 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 O -0.334 6.334 2 C -0.187 4.187 3 Si 0.590 3.410 4 C -0.078 4.078 5 C -0.171 4.171 6 C -0.091 4.091 7 C -0.225 4.225 8 C 0.084 3.916 9 O -0.201 6.201 10 C -0.038 4.038 11 C 0.303 3.697 12 O -0.382 6.382 13 N -0.364 5.364 14 C 0.015 3.985 15 H 0.126 0.874 16 C -0.172 4.172 17 C -0.095 4.095 18 H 0.119 0.881 19 C -0.051 4.051 20 C -0.137 4.137 21 C -0.095 4.095 22 C -0.026 4.026 23 C -0.062 4.062 24 N -0.145 5.145 25 N -0.072 5.072 26 N -0.041 5.041 27 N -0.142 5.142 28 C -0.092 4.092 29 C -0.135 4.135 30 C -0.182 4.182 31 C -0.140 4.140 32 H 0.224 0.776 33 H 0.139 0.861 34 H -0.185 1.185 35 H -0.182 1.182 36 H 0.147 0.853 37 H 0.149 0.851 38 H 0.148 0.852 39 H 0.113 0.887 40 H 0.113 0.887 41 H 0.238 0.762 42 H 0.098 0.902 43 H 0.120 0.880 44 H 0.149 0.851 45 H 0.151 0.849 46 H 0.332 0.668 47 H 0.154 0.846 48 H 0.149 0.851 49 H 0.116 0.884 50 H 0.095 0.905 51 H 0.154 0.846 Dipole moment (debyes) X Y Z Total from point charges 3.013 0.561 -2.987 4.279 hybrid contribution -0.882 -0.516 -0.993 1.426 sum 2.130 0.044 -3.980 4.515 Atomic orbital electron populations 1.86620 1.17487 1.79972 1.49283 1.25110 0.84146 1.11131 0.98315 0.94939 0.91662 0.74109 0.80247 1.20106 0.97439 0.93738 0.96545 1.20945 1.00687 1.00075 0.95400 1.20905 0.97844 0.93618 0.96711 1.21296 1.03635 0.96624 1.00906 1.19033 0.94854 0.82967 0.94775 1.86174 1.70413 1.22570 1.40902 1.22452 1.00298 0.92121 0.88922 1.20039 0.80602 0.86912 0.82132 1.90798 1.35782 1.74221 1.37361 1.45473 1.54183 1.11765 1.25028 1.21922 0.98686 0.79914 0.97973 0.87399 1.23437 0.96107 1.01518 0.96165 1.21672 0.97445 0.94212 0.96186 0.88140 1.19865 0.95079 0.94717 0.95489 1.20939 1.00586 0.91501 1.00699 1.21163 0.95561 0.98276 0.94546 1.17238 0.99584 0.86618 0.99159 1.23734 0.93328 0.93677 0.95482 1.74922 1.22918 0.97636 1.19063 1.47762 1.22469 1.12761 1.24207 1.78956 1.08365 1.03160 1.13647 1.76098 1.19249 1.03977 1.14859 1.21197 0.98295 0.91108 0.98629 1.20998 0.97982 0.97321 0.97196 1.23615 0.99194 1.00166 0.95221 1.20279 1.02717 0.93917 0.97051 0.77600 0.86120 1.18459 1.18186 0.85290 0.85074 0.85232 0.88656 0.88723 0.76249 0.90247 0.88046 0.85058 0.84865 0.66843 0.84554 0.85148 0.88368 0.90472 0.84581 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 13. 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 O -0.53 -0.94 12.76 -35.23 -0.45 -1.39 16 2 C -0.08 -0.01 2.82 36.01 0.10 0.09 16 3 Si 0.69 -0.69 29.79 -169.99 -5.06 -5.75 16 4 C -0.08 -0.04 5.39 -104.64 -0.56 -0.61 16 5 C -0.15 0.10 8.67 -39.56 -0.34 -0.24 16 6 C -0.07 0.09 10.04 -39.61 -0.40 -0.31 16 7 C -0.21 0.15 9.04 -39.44 -0.36 -0.21 16 8 C 0.13 0.21 6.69 -39.22 -0.26 -0.05 16 9 O -0.29 -0.77 9.67 -39.34 -0.38 -1.15 16 10 C 0.04 -0.06 5.22 36.01 0.19 0.13 16 11 C 0.52 0.34 7.91 -10.98 -0.09 0.25 16 12 O -0.51 -2.98 16.10 -14.36 -0.23 -3.21 16 13 N -0.71 1.92 5.26 -52.92 -0.28 1.65 16 14 C 0.12 -0.26 4.33 -67.02 -0.29 -0.55 16 15 H 0.11 -0.01 7.46 -51.93 -0.39 -0.40 16 16 C -0.13 0.49 7.29 -25.92 -0.19 0.30 16 17 C -0.08 0.27 3.85 -90.95 -0.35 -0.08 16 18 H 0.10 -0.47 8.08 -51.93 -0.42 -0.89 16 19 C -0.05 0.09 5.30 -104.56 -0.55 -0.46 16 20 C -0.12 0.17 8.52 -39.63 -0.34 -0.17 16 21 C -0.08 0.01 9.70 -39.26 -0.38 -0.37 16 22 C -0.02 -0.03 5.88 -104.89 -0.62 -0.64 16 23 C 0.22 0.56 7.94 -156.30 -1.24 -0.68 16 24 N -0.29 -0.44 12.08 32.17 0.39 -0.05 16 25 N -0.23 0.10 7.90 60.35 0.48 0.58 16 26 N -0.05 -0.11 13.47 60.35 0.81 0.71 16 27 N -0.27 -0.97 12.23 32.16 0.39 -0.58 16 28 C -0.07 -0.01 9.70 -39.26 -0.38 -0.39 16 29 C -0.12 0.16 9.69 -39.63 -0.38 -0.22 16 30 C -0.14 0.36 7.26 -25.82 -0.19 0.18 16 31 C -0.12 -0.26 9.55 -39.43 -0.38 -0.63 16 32 H 0.38 -0.43 8.70 45.56 0.40 -0.03 16 33 H 0.12 -0.06 7.96 -51.93 -0.41 -0.47 16 34 H -0.26 -0.21 7.11 56.52 0.40 0.19 16 35 H -0.26 -0.61 7.11 56.52 0.40 -0.21 16 36 H 0.13 -0.31 4.87 -52.49 -0.26 -0.57 16 37 H 0.13 -0.46 8.06 -52.48 -0.42 -0.88 16 38 H 0.13 -0.45 6.30 -52.48 -0.33 -0.78 16 39 H 0.10 -0.39 7.66 -51.93 -0.40 -0.79 16 40 H 0.09 -0.38 7.66 -51.93 -0.40 -0.78 16 41 H 0.40 -2.37 8.70 -40.82 -0.36 -2.73 16 42 H 0.08 -0.33 8.14 -51.93 -0.42 -0.76 16 43 H 0.10 -0.36 7.65 -51.93 -0.40 -0.76 16 44 H 0.13 -0.40 6.71 -52.49 -0.35 -0.75 16 45 H 0.13 -0.10 7.88 -52.48 -0.41 -0.51 16 46 H 0.48 -2.40 8.96 -340.36 -3.05 -5.45 16 47 H 0.14 -0.02 7.89 -52.49 -0.41 -0.44 16 48 H 0.13 -0.43 8.05 -52.48 -0.42 -0.86 16 49 H 0.10 -0.26 6.37 -51.93 -0.33 -0.59 16 50 H 0.08 -0.13 8.14 -51.93 -0.42 -0.56 16 51 H 0.14 0.39 8.06 -52.48 -0.42 -0.04 16 LS Contribution 431.57 15.07 6.50 6.50 Total: 0.00 -12.75 431.57 -13.67 -26.41 By element: Atomic # 1 Polarization: -10.21 SS G_CDS: -8.83 Total: -19.04 kcal Atomic # 6 Polarization: 2.33 SS G_CDS: -7.01 Total: -4.67 kcal Atomic # 7 Polarization: 0.51 SS G_CDS: 1.79 Total: 2.30 kcal Atomic # 8 Polarization: -4.69 SS G_CDS: -1.06 Total: -5.75 kcal Atomic # 14 Polarization: -0.69 SS G_CDS: -5.06 Total: -5.75 kcal Total LS contribution 6.50 Total: 6.50 kcal Total: -12.75 -13.67 -26.41 kcal The number of atoms in the molecule is 51 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. m_280130_17857820_17899772.mol2 51 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 137.115 kcal (2) G-P(sol) polarization free energy of solvation -12.746 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 124.370 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -13.667 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -26.413 kcal (6) G-S(sol) free energy of system = (1) + (5) 110.703 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.58 seconds