Wall clock time and date at job start Tue Mar 31 2020 06:54:59 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 * SM5.42R - SM5.42R CALCULATIONS WILL BE PERFORMED * - CHARGE MODEL 2 WILL BE USED (CM2A) * - THE SOLVENT IS WATER ******************************************************************************* 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 1.52997 * 1 3 3 H 1.08996 * 109.53584 * 2 1 4 4 C 1.53119 * 109.50759 * 239.89150 * 2 1 3 5 5 C 1.53120 * 109.16202 * 182.40539 * 4 2 1 6 6 H 1.08996 * 109.50004 * 297.72216 * 5 4 2 7 7 C 1.52998 * 109.50505 * 177.63880 * 5 4 2 8 8 C 1.53041 * 109.27703 * 57.65829 * 5 4 2 9 9 N 1.46847 * 109.51486 * 300.81824 * 8 5 4 10 10 C 1.46899 * 110.99299 * 185.84807 * 9 8 5 11 11 C 1.50705 * 109.46990 * 45.79343 * 10 9 8 12 12 C 1.38238 * 119.99920 * 269.72939 * 11 10 9 13 13 C 1.38236 * 119.99603 * 179.76768 * 12 11 10 14 14 C 1.38234 * 120.00444 * 0.50292 * 13 12 11 15 15 C 1.50696 * 120.00200 * 179.72460 * 14 13 12 16 16 N 1.46494 * 109.47499 * 270.02208 * 15 14 13 17 17 C 1.34769 * 120.00496 * 180.02562 * 16 15 14 18 18 O 1.21283 * 119.99854 * 0.02562 * 17 16 15 19 19 C 1.50703 * 120.00427 * 180.02562 * 17 16 15 20 20 S 1.80999 * 109.47374 * 179.97438 * 19 17 16 21 21 C 1.76194 * 100.00182 * 179.97438 * 20 19 17 22 22 H 1.08001 * 119.99912 * 359.97438 * 21 20 19 23 23 C 1.38798 * 120.00345 * 179.97438 * 21 20 19 24 24 N 1.31632 * 119.99473 * 0.02562 * 23 21 20 25 25 Si 1.86796 * 120.00371 * 179.97438 * 23 21 20 26 26 H 1.48505 * 109.46738 * 60.00212 * 25 23 21 27 27 H 1.48497 * 109.47115 * 179.97438 * 25 23 21 28 28 H 1.48500 * 109.47413 * 300.00212 * 25 23 21 29 29 C 1.38243 * 119.99439 * 359.74850 * 14 13 12 30 30 C 1.38230 * 120.00350 * 0.02562 * 29 14 13 31 31 C 1.46847 * 111.20163 * 61.75514 * 9 8 5 32 32 H 1.08996 * 109.47669 * 299.91065 * 1 2 3 33 33 H 1.09005 * 109.46876 * 59.90705 * 1 2 3 34 34 H 1.09002 * 109.47233 * 179.90234 * 1 2 3 35 35 H 1.08993 * 109.52284 * 302.31804 * 4 2 1 36 36 H 1.09003 * 109.51690 * 62.44224 * 4 2 1 37 37 H 1.09004 * 109.47022 * 59.99851 * 7 5 4 38 38 H 1.08993 * 109.47496 * 180.02562 * 7 5 4 39 39 H 1.09008 * 109.46952 * 300.00393 * 7 5 4 40 40 H 1.09005 * 109.45785 * 60.83329 * 8 5 4 41 41 H 1.08995 * 109.46178 * 180.81412 * 8 5 4 42 42 H 1.09002 * 109.47485 * 165.78779 * 10 9 8 43 43 H 1.08997 * 109.47251 * 285.79717 * 10 9 8 44 44 H 1.07997 * 120.00111 * 359.97438 * 12 11 10 45 45 H 1.07999 * 119.99423 * 180.23064 * 13 12 11 46 46 H 1.08998 * 109.46818 * 30.02712 * 15 14 13 47 47 H 1.09008 * 109.46706 * 150.02247 * 15 14 13 48 48 H 0.97001 * 119.99526 * 0.02562 * 16 15 14 49 49 H 1.09000 * 109.46505 * 299.99472 * 19 17 16 50 50 H 1.08999 * 109.46946 * 59.99684 * 19 17 16 51 51 H 0.97003 * 120.00039 * 180.02562 * 24 23 21 52 52 H 1.08002 * 119.99455 * 179.97438 * 29 14 13 53 53 H 1.08002 * 120.00150 * 179.97438 * 30 29 14 54 54 H 1.09002 * 109.46448 * 178.23132 * 31 9 8 55 55 H 1.08994 * 109.45958 * 58.25497 * 31 9 8 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 1 1.8945 1.0272 0.0000 4 6 2.0413 -0.7240 -1.2486 5 6 3.5713 -0.7721 -1.2105 6 1 3.9678 0.2430 -1.2295 7 6 4.0884 -1.5455 -2.4251 8 6 4.0229 -1.4730 0.0728 9 7 3.5091 -0.7418 1.2380 10 6 4.0372 -1.3053 2.4877 11 6 5.5198 -1.5363 2.3475 12 6 5.9891 -2.7493 1.8793 13 6 7.3489 -2.9594 1.7463 14 6 8.2398 -1.9603 2.0912 15 6 9.7224 -2.1916 1.9519 16 7 10.2482 -2.7535 3.1985 17 6 11.5599 -3.0432 3.3066 18 8 12.3052 -2.8383 2.3719 19 6 12.1007 -3.6218 4.5887 20 16 13.8815 -3.8995 4.4215 21 6 14.2395 -4.5582 6.0160 22 1 13.4484 -4.6756 6.7418 23 6 15.5382 -4.9261 6.3393 24 7 16.5024 -4.7825 5.4548 25 14 15.9179 -5.6238 8.0300 26 1 15.1301 -6.8648 8.2416 27 1 17.3667 -5.9359 8.1227 28 1 15.5584 -4.6260 9.0695 29 6 7.7705 -0.7490 2.5643 30 6 6.4106 -0.5372 2.6930 31 6 2.0408 -0.7233 1.2482 32 1 -0.3634 0.5124 0.8907 33 1 -0.3633 0.5153 -0.8892 34 1 -0.3634 -1.0277 -0.0018 35 1 1.6452 -1.7392 -1.2687 36 1 1.7149 -0.1879 -2.1397 37 1 3.7634 -1.0472 -3.3384 38 1 5.1775 -1.5798 -2.3973 39 1 3.6926 -2.5610 -2.4047 40 1 3.6374 -2.4926 0.0847 41 1 5.1120 -1.4961 0.1100 42 1 3.8537 -0.6093 3.3062 43 1 3.5402 -2.2524 2.6977 44 1 5.2933 -3.5316 1.6144 45 1 7.7154 -3.9058 1.3769 46 1 9.9061 -2.8877 1.1336 47 1 10.2197 -1.2445 1.7420 48 1 9.6522 -2.9170 3.9461 49 1 11.9164 -2.9261 5.4073 50 1 11.6037 -4.5690 4.7979 51 1 17.4100 -5.0400 5.6806 52 1 8.4666 0.0314 2.8342 53 1 6.0441 0.4089 3.0630 54 1 1.6903 -0.2021 2.1391 55 1 1.6648 -1.7464 1.2546 RHF calculation, no. of doubly occupied orbitals= 69 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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=WATER ZINC000040541073.mol2 55 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Tue Mar 31 2020 06:54:59 Heat of formation + Delta-G solvation = -51.671545 kcal Electronic energy + Delta-G solvation = -30705.607023 eV Core-core repulsion = 26638.478568 eV Total energy + Delta-G solvation = -4067.128455 eV No. of doubly occupied orbitals = 69 Molecular weight (most abundant/longest-lived isotopes) = 376.193 amu Computer time = 1.47 seconds Orbital eigenvalues (eV) -41.17518 -40.57018 -39.67007 -36.53801 -35.29256 -34.57994 -34.38766 -32.71447 -31.89785 -30.86633 -28.43508 -27.67853 -27.52559 -27.43513 -25.68415 -23.70325 -23.18022 -21.84451 -21.80832 -21.36360 -20.58877 -19.87535 -18.01972 -17.54889 -16.96290 -16.90620 -16.87294 -16.76677 -16.29743 -16.09123 -15.79342 -15.74455 -15.50886 -15.35927 -14.96554 -14.65990 -14.45700 -14.40241 -14.15589 -13.92742 -13.71550 -13.53395 -13.45875 -13.27591 -13.19473 -13.16634 -12.97532 -12.85957 -12.77369 -12.64904 -12.58304 -12.42186 -11.93768 -11.87800 -11.73624 -11.70837 -11.47741 -11.15562 -11.12508 -11.11859 -11.03143 -10.28211 -10.16633 -9.83123 -9.70621 -9.19917 -8.66499 -8.34074 -6.12419 0.18735 0.47646 1.27948 1.44324 1.47598 1.57533 1.59921 2.25953 2.29432 2.74790 3.00049 3.14046 3.33621 3.59075 3.75004 3.77568 3.83323 3.91959 3.98052 4.00725 4.10314 4.12462 4.17998 4.30275 4.41663 4.45331 4.50306 4.51224 4.51740 4.61117 4.64084 4.69285 4.70337 4.72999 4.77050 4.81759 4.83648 4.86449 4.93408 5.02560 5.05718 5.12422 5.14833 5.23141 5.31183 5.34892 5.36391 5.40602 5.41883 5.42244 5.56033 5.63487 5.65177 6.00941 6.11362 6.16913 6.20014 6.47911 7.07069 7.21400 8.74972 Molecular weight = 376.19amu Principal moments of inertia in cm(-1) A = 0.025080 B = 0.001273 C = 0.001238 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1116.172450 B =21982.640728 C =22613.093991 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.143 4.143 2 C -0.087 4.087 3 H 0.070 0.930 4 C -0.108 4.108 5 C -0.088 4.088 6 H 0.066 0.934 7 C -0.144 4.144 8 C 0.061 3.939 9 N -0.540 5.540 10 C 0.095 3.905 11 C -0.077 4.077 12 C -0.115 4.115 13 C -0.104 4.104 14 C -0.107 4.107 15 C 0.164 3.836 16 N -0.708 5.708 17 C 0.534 3.466 18 O -0.565 6.565 19 C -0.130 4.130 20 S -0.150 6.150 21 C -0.549 4.549 22 H 0.083 0.917 23 C 0.015 3.985 24 N -0.911 5.911 25 Si 0.998 3.002 26 H -0.262 1.262 27 H -0.278 1.278 28 H -0.262 1.262 29 C -0.104 4.104 30 C -0.103 4.103 31 C 0.061 3.939 32 H 0.060 0.940 33 H 0.060 0.940 34 H 0.054 0.946 35 H 0.059 0.941 36 H 0.067 0.933 37 H 0.062 0.938 38 H 0.051 0.949 39 H 0.055 0.945 40 H 0.029 0.971 41 H 0.071 0.929 42 H 0.093 0.907 43 H 0.047 0.953 44 H 0.131 0.869 45 H 0.129 0.871 46 H 0.068 0.932 47 H 0.068 0.932 48 H 0.414 0.586 49 H 0.110 0.890 50 H 0.109 0.891 51 H 0.271 0.729 52 H 0.129 0.871 53 H 0.137 0.863 54 H 0.080 0.920 55 H 0.032 0.968 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -38.183 9.066 -9.716 40.429 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 -0.200 4.200 2 C -0.106 4.106 3 H 0.088 0.912 4 C -0.146 4.146 5 C -0.107 4.107 6 H 0.084 0.916 7 C -0.202 4.202 8 C -0.067 4.067 9 N -0.264 5.264 10 C -0.031 4.031 11 C -0.077 4.077 12 C -0.134 4.134 13 C -0.123 4.123 14 C -0.108 4.108 15 C 0.041 3.959 16 N -0.362 5.362 17 C 0.320 3.680 18 O -0.443 6.443 19 C -0.281 4.281 20 S 0.077 5.923 21 C -0.697 4.697 22 H 0.101 0.899 23 C -0.190 4.190 24 N -0.548 5.548 25 Si 0.819 3.181 26 H -0.187 1.187 27 H -0.204 1.204 28 H -0.187 1.187 29 C -0.123 4.123 30 C -0.122 4.122 31 C -0.066 4.066 32 H 0.079 0.921 33 H 0.079 0.921 34 H 0.073 0.927 35 H 0.077 0.923 36 H 0.086 0.914 37 H 0.081 0.919 38 H 0.070 0.930 39 H 0.074 0.926 40 H 0.047 0.953 41 H 0.089 0.911 42 H 0.111 0.889 43 H 0.066 0.934 44 H 0.149 0.851 45 H 0.147 0.853 46 H 0.086 0.914 47 H 0.086 0.914 48 H 0.251 0.749 49 H 0.128 0.872 50 H 0.128 0.872 51 H 0.080 0.920 52 H 0.147 0.853 53 H 0.155 0.845 54 H 0.099 0.901 55 H 0.051 0.949 Dipole moment (debyes) X Y Z Total from point charges -36.638 9.877 -11.350 39.607 hybrid contribution -0.516 -1.534 2.084 2.638 sum -37.154 8.343 -9.266 39.190 Atomic orbital electron populations 1.21759 0.93946 1.02006 1.02332 1.21129 0.95802 0.99724 0.93898 0.91161 1.21699 0.94425 1.00491 0.97955 1.21137 0.95970 0.99697 0.93907 0.91556 1.21768 1.00868 1.00188 0.97393 1.22210 1.00033 0.94537 0.89891 1.62042 1.08463 1.54074 1.01806 1.21093 0.89975 0.99204 0.92860 1.19901 0.95556 0.93864 0.98417 1.21163 0.95254 0.97250 0.99689 1.21167 0.93142 0.98784 0.99168 1.19720 0.93483 0.95376 1.02203 1.20154 0.90133 0.99076 0.86498 1.45829 1.07526 1.65273 1.17579 1.20076 0.82446 0.77093 0.88345 1.90695 1.58553 1.53826 1.41259 1.23374 1.00992 1.04946 0.98759 1.85562 1.01414 1.83292 1.21982 1.23183 0.97698 1.49035 0.99744 0.89926 1.26114 0.94784 0.95354 1.02733 1.70179 1.01608 1.46192 1.36788 0.85014 0.77390 0.78928 0.76727 1.18667 1.20352 1.18653 1.21233 0.96193 0.96641 0.98185 1.21160 0.92286 0.99290 0.99439 1.22191 0.86244 0.99077 0.99135 0.92093 0.92077 0.92658 0.92272 0.91379 0.91878 0.93013 0.92578 0.95269 0.91058 0.88905 0.93439 0.85139 0.85312 0.91373 0.91381 0.74916 0.87221 0.87235 0.91973 0.85275 0.84537 0.90124 0.94937 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 -0.14 -0.96 9.20 71.98 0.66 -0.30 16 2 C -0.09 -0.80 2.88 -10.74 -0.03 -0.83 16 3 H 0.07 0.79 8.14 -2.39 -0.02 0.77 16 4 C -0.11 -1.05 4.57 30.67 0.14 -0.91 16 5 C -0.09 -1.04 2.88 -10.74 -0.03 -1.07 16 6 H 0.07 0.94 8.14 -2.39 -0.02 0.92 16 7 C -0.14 -1.55 9.20 71.98 0.66 -0.89 16 8 C 0.06 0.79 3.87 86.33 0.33 1.12 16 9 N -0.54 -6.65 4.80 -900.91 -4.32 -10.97 16 10 C 0.10 1.09 5.43 85.56 0.46 1.55 16 11 C -0.08 -1.06 4.11 -19.86 -0.08 -1.14 16 12 C -0.12 -1.63 7.81 22.27 0.17 -1.46 16 13 C -0.10 -1.71 9.70 22.27 0.22 -1.49 16 14 C -0.11 -1.96 5.25 -19.87 -0.10 -2.07 16 15 C 0.16 3.86 5.80 85.63 0.50 4.35 16 16 N -0.71 -18.48 5.55 -466.81 -2.59 -21.07 16 17 C 0.53 19.94 7.85 87.66 0.69 20.63 16 18 O -0.57 -26.43 15.86 -3.04 -0.05 -26.48 16 19 C -0.13 -5.17 6.16 71.24 0.44 -4.74 16 20 S -0.15 -8.37 20.57 -56.49 -1.16 -9.53 16 21 C -0.55 -31.49 9.50 67.95 0.65 -30.85 16 22 H 0.08 4.39 7.80 -2.91 -0.02 4.36 16 23 C 0.01 0.86 5.49 84.86 0.47 1.32 16 24 N -0.91 -56.21 13.22 21.65 0.29 -55.92 16 25 Si 1.00 43.62 29.55 68.60 2.03 45.65 16 26 H -0.26 -10.86 7.11 99.48 0.71 -10.15 16 27 H -0.28 -11.85 7.11 99.48 0.71 -11.15 16 28 H -0.26 -10.86 7.11 99.48 0.71 -10.15 16 29 C -0.10 -1.74 9.70 22.27 0.22 -1.52 16 30 C -0.10 -1.52 9.70 22.27 0.22 -1.30 16 31 C 0.06 0.61 4.71 86.33 0.41 1.02 16 32 H 0.06 0.36 8.14 -2.39 -0.02 0.34 16 33 H 0.06 0.38 8.14 -2.38 -0.02 0.36 16 34 H 0.05 0.36 8.14 -2.39 -0.02 0.34 16 35 H 0.06 0.58 8.14 -2.39 -0.02 0.56 16 36 H 0.07 0.61 8.14 -2.39 -0.02 0.59 16 37 H 0.06 0.60 8.14 -2.38 -0.02 0.58 16 38 H 0.05 0.62 8.14 -2.39 -0.02 0.60 16 39 H 0.06 0.57 8.14 -2.38 -0.02 0.55 16 40 H 0.03 0.38 8.14 -2.38 -0.02 0.36 16 41 H 0.07 1.11 5.65 -2.39 -0.01 1.10 16 42 H 0.09 0.92 8.09 -2.39 -0.02 0.90 16 43 H 0.05 0.50 8.02 -2.39 -0.02 0.48 16 44 H 0.13 1.51 8.06 -2.91 -0.02 1.49 16 45 H 0.13 1.97 8.06 -2.91 -0.02 1.95 16 46 H 0.07 1.71 8.09 -2.39 -0.02 1.69 16 47 H 0.07 1.72 8.09 -2.38 -0.02 1.70 16 48 H 0.41 8.41 8.46 -92.71 -0.78 7.63 16 49 H 0.11 3.95 8.14 -2.39 -0.02 3.93 16 50 H 0.11 3.94 8.14 -2.40 -0.02 3.92 16 51 H 0.27 15.55 8.31 -92.71 -0.77 14.78 16 52 H 0.13 2.03 8.06 -2.91 -0.02 2.00 16 53 H 0.14 1.65 8.06 -2.91 -0.02 1.63 16 54 H 0.08 0.71 8.12 -2.39 -0.02 0.69 16 55 H 0.03 0.33 8.14 -2.39 -0.02 0.31 16 Total: -1.00 -74.07 451.54 0.23 -73.84 By element: Atomic # 1 Polarization: 23.00 SS G_CDS: 0.07 Total: 23.07 kcal Atomic # 6 Polarization: -24.56 SS G_CDS: 5.98 Total: -18.59 kcal Atomic # 7 Polarization: -81.33 SS G_CDS: -6.63 Total: -87.96 kcal Atomic # 8 Polarization: -26.43 SS G_CDS: -0.05 Total: -26.48 kcal Atomic # 14 Polarization: 43.62 SS G_CDS: 2.03 Total: 45.65 kcal Atomic # 16 Polarization: -8.37 SS G_CDS: -1.16 Total: -9.53 kcal Total: -74.07 0.23 -73.84 kcal The number of atoms in the molecule is 55 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. ZINC000040541073.mol2 55 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 22.166 kcal (2) G-P(sol) polarization free energy of solvation -74.072 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -51.906 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy 0.235 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -73.838 kcal (6) G-S(sol) free energy of system = (1) + (5) -51.672 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.47 seconds