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 1.53001 * 1 3 3 C 1.53005 * 109.46698 * 2 1 4 4 N 1.46902 * 109.46836 * 180.02562 * 3 2 1 5 5 C 1.48535 * 110.99775 * 52.60525 * 4 3 2 6 6 C 1.54941 * 103.22639 * 159.72257 * 5 4 3 7 7 C 1.54601 * 102.91878 * 322.58694 * 6 5 4 8 8 C 1.47899 * 111.00030 * 170.00059 * 4 3 2 9 9 H 1.09001 * 110.08312 * 333.60145 * 8 4 3 10 10 C 1.50706 * 109.91345 * 94.80417 * 8 4 3 11 11 O 1.21274 * 120.00042 * 358.76622 * 10 8 4 12 12 N 1.34777 * 119.99766 * 179.04158 * 10 8 4 13 13 C 1.46496 * 120.00266 * 179.97438 * 12 10 8 14 14 C 1.53002 * 109.47425 * 180.02562 * 13 12 10 15 15 N 1.46896 * 109.46853 * 180.02562 * 14 13 12 16 16 C 1.46895 * 111.00383 * 293.95079 * 15 14 13 17 17 C 1.46907 * 110.99640 * 169.99627 * 15 14 13 18 18 C 1.50704 * 109.47096 * 189.99820 * 17 15 14 19 19 O 1.21295 * 119.99762 * 0.02562 * 18 17 15 20 20 N 1.34775 * 119.99854 * 180.02562 * 18 17 15 21 21 C 1.37096 * 119.99574 * 180.02562 * 20 18 17 22 22 H 1.07998 * 120.00417 * 359.97438 * 21 20 18 23 23 C 1.38950 * 119.99802 * 179.97438 * 21 20 18 24 24 N 1.31416 * 120.00199 * 179.97438 * 23 21 20 25 25 Si 1.86800 * 119.99900 * 0.02562 * 23 21 20 26 26 H 1.48506 * 109.47432 * 89.99988 * 25 23 21 27 27 H 1.48500 * 109.46991 * 209.99732 * 25 23 21 28 28 H 1.48500 * 109.47283 * 329.99668 * 25 23 21 29 29 H 1.09003 * 109.47143 * 299.99565 * 1 2 3 30 30 H 1.09001 * 109.47256 * 59.99550 * 1 2 3 31 31 H 1.08999 * 109.46905 * 179.97438 * 1 2 3 32 32 H 1.08998 * 109.46720 * 240.00620 * 2 1 3 33 33 H 1.08989 * 109.47142 * 120.00016 * 2 1 3 34 34 H 1.08998 * 109.47029 * 60.00809 * 3 2 1 35 35 H 1.08989 * 109.47337 * 299.99897 * 3 2 1 36 36 H 1.08994 * 110.66969 * 41.29098 * 5 4 3 37 37 H 1.09001 * 110.67113 * 278.15062 * 5 4 3 38 38 H 1.08994 * 110.72633 * 204.22818 * 6 5 4 39 39 H 1.09000 * 110.72411 * 80.93839 * 6 5 4 40 40 H 1.09001 * 110.30602 * 263.03975 * 7 6 5 41 41 H 1.09000 * 110.38913 * 140.91746 * 7 6 5 42 42 H 0.96999 * 120.00043 * 0.02562 * 12 10 8 43 43 H 1.09004 * 109.47212 * 300.00463 * 13 12 10 44 44 H 1.09000 * 109.46684 * 60.00307 * 13 12 10 45 45 H 1.09000 * 109.46497 * 300.00014 * 14 13 12 46 46 H 1.08987 * 109.47025 * 60.00130 * 14 13 12 47 47 H 1.08997 * 109.47233 * 59.99943 * 16 15 14 48 48 H 1.08998 * 109.47673 * 180.02562 * 16 15 14 49 49 H 1.09004 * 109.46976 * 300.00573 * 16 15 14 50 50 H 1.08988 * 109.47295 * 309.99784 * 17 15 14 51 51 H 1.08995 * 109.46690 * 70.00173 * 17 15 14 52 52 H 0.96996 * 120.00349 * 359.97438 * 20 18 17 53 53 H 0.97001 * 119.99708 * 179.97438 * 24 23 21 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 6 2.0399 1.4426 0.0000 4 7 3.5089 1.4426 -0.0006 5 6 4.0407 0.6006 -1.1027 6 6 5.4886 1.1229 -1.2808 7 6 5.3377 2.6445 -1.0523 8 6 4.0388 2.8024 -0.2404 9 1 3.3167 3.3912 -0.8060 10 6 4.3341 3.4775 1.0743 11 8 4.1063 2.9009 2.1166 12 7 4.8462 4.7241 1.0916 13 6 5.1328 5.3805 2.3695 14 6 5.7019 6.7767 2.1094 15 7 5.9897 7.4347 3.3908 16 6 4.7524 7.6955 4.1385 17 6 6.7526 8.6735 3.1869 18 6 7.2391 9.1886 4.5169 19 8 6.9766 8.5831 5.5346 20 7 7.9659 10.3221 4.5756 21 6 8.4088 10.7904 5.7856 22 1 8.1751 10.2513 6.6917 23 6 9.1586 11.9587 5.8460 24 7 9.5828 12.4080 7.0059 25 14 9.5623 12.8916 4.2788 26 1 8.4937 13.8859 4.0053 27 1 10.8612 13.5929 4.4409 28 1 9.6530 11.9377 3.1443 29 1 -0.3633 0.5138 0.8900 30 1 -0.3634 0.5139 -0.8899 31 1 -0.3633 -1.0277 -0.0005 32 1 1.8933 -0.5137 -0.8900 33 1 1.8933 -0.5138 0.8899 34 1 1.6767 1.9563 0.8900 35 1 1.6766 1.9564 -0.8899 36 1 3.4629 0.7505 -2.0146 37 1 4.0438 -0.4511 -0.8163 38 1 5.8513 0.9182 -2.2881 39 1 6.1512 0.6847 -0.5345 40 1 5.2527 3.1637 -2.0069 41 1 6.1865 3.0296 -0.4872 42 1 5.0243 5.1869 0.2580 43 1 4.2132 5.4655 2.9487 44 1 5.8597 4.7895 2.9266 45 1 6.6214 6.6921 1.5302 46 1 4.9747 7.3675 1.5525 47 1 4.2421 6.7529 4.3364 48 1 4.9943 8.1834 5.0827 49 1 4.1027 8.3440 3.5507 50 1 7.6069 8.4718 2.5409 51 1 6.1123 9.4216 2.7196 52 1 8.1761 10.8061 3.7618 53 1 10.1065 13.2234 7.0480 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 ZINC001713454374.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 = -54.194640 kcal Electronic energy + Delta-G solvation = -29427.616920 eV Core-core repulsion = 25334.597356 eV Total energy + Delta-G solvation = -4093.019563 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.72 seconds Orbital eigenvalues (eV) -40.55971 -38.94205 -38.41413 -36.82672 -35.00620 -34.57921 -33.85002 -31.68088 -31.22041 -30.61533 -28.92810 -27.77662 -25.92190 -25.38288 -23.92944 -22.73923 -22.23507 -21.25233 -20.70834 -20.09272 -19.35833 -18.27378 -17.54550 -16.75610 -16.41602 -15.99897 -15.74390 -15.64249 -15.39079 -14.97460 -14.86568 -14.47138 -14.20235 -14.00178 -13.77024 -13.74132 -13.45136 -13.31335 -13.11253 -13.06696 -12.88342 -12.43865 -12.23974 -12.05694 -12.00272 -11.83927 -11.77544 -11.62168 -11.52117 -11.37822 -11.25353 -11.24147 -11.10459 -11.04563 -11.00899 -10.60312 -9.97859 -9.91318 -9.54103 -9.16500 -8.78003 -8.60041 -8.18564 -8.00874 -6.30920 -3.82342 2.52714 2.74138 3.01600 3.05661 3.14341 3.57509 3.73308 3.99680 4.09671 4.10508 4.19539 4.41277 4.57726 4.63189 4.66514 4.73518 4.74788 4.84819 4.93856 5.01309 5.02594 5.08259 5.19411 5.20597 5.29870 5.30191 5.33356 5.35283 5.43566 5.48674 5.56663 5.59834 5.64087 5.70615 5.78165 5.82034 5.82191 5.83454 5.86642 5.92722 5.98114 6.26207 6.39424 6.50777 6.60914 7.08837 7.23420 7.35262 7.58395 8.14367 8.14848 8.60316 8.95571 9.42454 9.83474 10.82216 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.026151 B = 0.001633 C = 0.001578 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1070.450785 B =17142.751587 C =17734.219427 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.151 4.151 2 C -0.123 4.123 3 C 0.049 3.951 4 N -0.493 5.493 5 C 0.036 3.964 6 C -0.124 4.124 7 C -0.124 4.124 8 C 0.048 3.952 9 H 0.077 0.923 10 C 0.519 3.481 11 O -0.512 6.512 12 N -0.734 5.734 13 C 0.124 3.876 14 C 0.045 3.955 15 N -0.515 5.515 16 C 0.017 3.983 17 C 0.045 3.955 18 C 0.452 3.548 19 O -0.557 6.557 20 N -0.591 5.591 21 C -0.304 4.304 22 H 0.120 0.880 23 C 0.041 3.959 24 N -0.881 5.881 25 Si 0.880 3.120 26 H -0.272 1.272 27 H -0.277 1.277 28 H -0.270 1.270 29 H 0.056 0.944 30 H 0.051 0.949 31 H 0.057 0.943 32 H 0.061 0.939 33 H 0.073 0.927 34 H 0.079 0.921 35 H 0.033 0.967 36 H 0.046 0.954 37 H 0.087 0.913 38 H 0.076 0.924 39 H 0.078 0.922 40 H 0.077 0.923 41 H 0.080 0.920 42 H 0.396 0.604 43 H 0.069 0.931 44 H 0.079 0.921 45 H 0.078 0.922 46 H 0.036 0.964 47 H 0.065 0.935 48 H 0.098 0.902 49 H 0.016 0.984 50 H 0.090 0.910 51 H 0.049 0.951 52 H 0.370 0.630 53 H 0.273 0.727 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -13.541 -19.788 -25.031 34.662 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 -0.209 4.209 2 C -0.161 4.161 3 C -0.079 4.079 4 N -0.217 5.217 5 C -0.092 4.092 6 C -0.162 4.162 7 C -0.163 4.163 8 C -0.064 4.064 9 H 0.095 0.905 10 C 0.303 3.697 11 O -0.385 6.385 12 N -0.388 5.388 13 C 0.000 4.000 14 C -0.083 4.083 15 N -0.239 5.239 16 C -0.131 4.131 17 C -0.087 4.087 18 C 0.238 3.762 19 O -0.439 6.439 20 N -0.231 5.231 21 C -0.433 4.433 22 H 0.138 0.862 23 C -0.161 4.161 24 N -0.521 5.521 25 Si 0.706 3.294 26 H -0.197 1.197 27 H -0.202 1.202 28 H -0.195 1.195 29 H 0.076 0.924 30 H 0.071 0.929 31 H 0.076 0.924 32 H 0.080 0.920 33 H 0.092 0.908 34 H 0.098 0.902 35 H 0.051 0.949 36 H 0.064 0.936 37 H 0.105 0.895 38 H 0.094 0.906 39 H 0.097 0.903 40 H 0.096 0.904 41 H 0.099 0.901 42 H 0.230 0.770 43 H 0.087 0.913 44 H 0.097 0.903 45 H 0.097 0.903 46 H 0.054 0.946 47 H 0.084 0.916 48 H 0.117 0.883 49 H 0.034 0.966 50 H 0.108 0.892 51 H 0.067 0.933 52 H 0.202 0.798 53 H 0.084 0.916 Dipole moment (debyes) X Y Z Total from point charges -13.334 -20.977 -22.605 33.598 hybrid contribution -0.254 2.153 -2.867 3.595 sum -13.588 -18.824 -25.472 34.464 Atomic orbital electron populations 1.21735 0.95431 1.01860 1.01885 1.21572 0.95759 0.96007 1.02734 1.22381 0.86789 0.97755 1.00989 1.64393 1.08174 1.06025 1.43124 1.23274 0.94761 0.98778 0.92376 1.22499 0.96923 0.94525 1.02219 1.22425 0.96198 0.97933 0.99706 1.22350 0.98173 0.92100 0.93783 0.90505 1.20339 0.77381 0.80882 0.91082 1.90723 1.50306 1.63763 1.33745 1.45939 1.66691 1.16468 1.09679 1.21301 1.01237 0.92603 0.84870 1.22249 1.00162 0.94091 0.91848 1.61429 1.21358 1.24196 1.16931 1.22643 0.89253 1.00845 1.00312 1.21899 0.98344 0.90978 0.97475 1.19613 0.83796 0.82728 0.90081 1.90540 1.59463 1.57997 1.35859 1.42203 1.49067 1.22960 1.08846 1.19434 1.30308 1.07467 0.86106 0.86241 1.25035 0.97129 0.96944 0.97040 1.69625 1.36200 1.22722 1.23583 0.86674 0.79146 0.80591 0.82971 1.19705 1.20182 1.19511 0.92439 0.92944 0.92438 0.91999 0.90825 0.90218 0.94907 0.93571 0.89463 0.90569 0.90293 0.90390 0.90145 0.77033 0.91264 0.90254 0.90315 0.94608 0.91650 0.88321 0.96572 0.89204 0.93262 0.79756 0.91628 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 C -0.15 -0.87 9.91 37.16 0.37 -0.50 16 2 C -0.12 -0.83 5.59 -26.73 -0.15 -0.98 16 3 C 0.05 0.39 5.03 -3.82 -0.02 0.37 16 4 N -0.49 -4.46 4.53 -223.94 -1.02 -5.47 16 5 C 0.04 0.23 5.10 -1.89 -0.01 0.22 16 6 C -0.12 -0.72 7.06 -24.87 -0.18 -0.90 16 7 C -0.12 -0.73 6.47 -25.37 -0.16 -0.90 16 8 C 0.05 0.39 2.87 -67.79 -0.19 0.20 16 9 H 0.08 0.50 7.58 -51.93 -0.39 0.11 16 10 C 0.52 5.85 6.99 -10.98 -0.08 5.78 16 11 O -0.51 -8.23 16.46 5.56 0.09 -8.14 16 12 N -0.73 -6.76 5.42 -60.29 -0.33 -7.09 16 13 C 0.12 1.44 5.60 -4.04 -0.02 1.42 16 14 C 0.05 0.51 5.07 -3.83 -0.02 0.49 16 15 N -0.51 -8.05 4.50 -244.38 -1.10 -9.15 16 16 C 0.02 0.27 8.96 60.06 0.54 0.81 16 17 C 0.04 0.72 5.45 -4.97 -0.03 0.70 16 18 C 0.45 10.16 7.47 -10.98 -0.08 10.07 16 19 O -0.56 -14.79 13.91 5.54 0.08 -14.71 16 20 N -0.59 -13.93 5.09 -10.96 -0.06 -13.99 16 21 C -0.30 -8.57 10.16 -14.93 -0.15 -8.72 16 22 H 0.12 3.85 7.39 -52.49 -0.39 3.47 16 23 C 0.04 1.13 5.50 -17.47 -0.10 1.03 16 24 N -0.88 -25.70 13.96 55.50 0.77 -24.92 16 25 Si 0.88 19.18 27.74 -169.99 -4.71 14.47 16 26 H -0.27 -5.80 7.11 56.52 0.40 -5.39 16 27 H -0.28 -6.06 7.11 56.52 0.40 -5.66 16 28 H -0.27 -5.33 6.52 56.52 0.37 -4.96 16 29 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 30 H 0.05 0.27 8.14 -51.93 -0.42 -0.15 16 31 H 0.06 0.29 8.14 -51.93 -0.42 -0.13 16 32 H 0.06 0.36 6.79 -51.93 -0.35 0.01 16 33 H 0.07 0.59 8.14 -51.94 -0.42 0.17 16 34 H 0.08 0.79 8.14 -51.93 -0.42 0.36 16 35 H 0.03 0.23 7.82 -51.94 -0.41 -0.18 16 36 H 0.05 0.25 8.00 -51.93 -0.42 -0.17 16 37 H 0.09 0.55 7.66 -51.93 -0.40 0.15 16 38 H 0.08 0.31 8.14 -51.93 -0.42 -0.11 16 39 H 0.08 0.55 8.14 -51.93 -0.42 0.13 16 40 H 0.08 0.30 8.14 -51.93 -0.42 -0.12 16 41 H 0.08 0.52 7.62 -51.93 -0.40 0.13 16 42 H 0.40 2.38 8.44 -40.82 -0.34 2.04 16 43 H 0.07 0.90 6.55 -51.93 -0.34 0.56 16 44 H 0.08 1.11 8.14 -51.93 -0.42 0.68 16 45 H 0.08 0.77 7.93 -51.93 -0.41 0.36 16 46 H 0.04 0.35 8.12 -51.94 -0.42 -0.07 16 47 H 0.06 0.94 6.47 -51.93 -0.34 0.61 16 48 H 0.10 1.91 5.82 -51.93 -0.30 1.61 16 49 H 0.02 0.22 8.14 -51.93 -0.42 -0.20 16 50 H 0.09 1.26 7.93 -51.94 -0.41 0.85 16 51 H 0.05 0.70 8.12 -51.93 -0.42 0.28 16 52 H 0.37 7.60 5.76 -40.82 -0.24 7.37 16 53 H 0.27 7.35 8.31 -40.82 -0.34 7.01 16 LS Contribution 417.32 15.07 6.29 6.29 Total: -1.00 -35.36 417.32 -9.63 -44.99 By element: Atomic # 1 Polarization: 18.01 SS G_CDS: -9.37 Total: 8.64 kcal Atomic # 6 Polarization: 9.37 SS G_CDS: -0.28 Total: 9.09 kcal Atomic # 7 Polarization: -58.89 SS G_CDS: -1.72 Total: -60.62 kcal Atomic # 8 Polarization: -23.02 SS G_CDS: 0.17 Total: -22.85 kcal Atomic # 14 Polarization: 19.18 SS G_CDS: -4.71 Total: 14.47 kcal Total LS contribution 6.29 Total: 6.29 kcal Total: -35.36 -9.63 -44.99 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. ZINC001713454374.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 -9.205 kcal (2) G-P(sol) polarization free energy of solvation -35.357 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -44.562 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.633 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.989 kcal (6) G-S(sol) free energy of system = (1) + (5) -54.195 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.72 seconds