Wall clock time and date at job start Sat Apr 11 2020 04:52:41 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 1.42905 * 1 3 3 C 1.42899 * 113.99994 * 2 1 4 4 C 1.52995 * 109.47292 * 180.02562 * 3 2 1 5 5 N 1.46501 * 109.47403 * 179.97438 * 4 3 2 6 6 C 1.36740 * 127.13451 * 273.46489 * 5 4 3 7 7 C 1.50704 * 126.34699 * 359.97438 * 6 5 4 8 8 C 1.52994 * 109.47180 * 270.01855 * 7 6 5 9 9 C 1.52999 * 109.47481 * 179.97438 * 8 7 6 10 10 C 1.50691 * 109.47456 * 180.02562 * 9 8 7 11 11 H 1.07997 * 120.00212 * 359.97438 * 10 9 8 12 12 C 1.37878 * 120.00172 * 180.02562 * 10 9 8 13 13 N 1.31514 * 120.00137 * 359.97438 * 12 10 9 14 14 Si 1.86803 * 120.00212 * 179.97438 * 12 10 9 15 15 H 1.48499 * 109.46945 * 359.97438 * 14 12 10 16 16 H 1.48499 * 109.46997 * 119.99342 * 14 12 10 17 17 H 1.48495 * 109.47115 * 239.99753 * 14 12 10 18 18 N 1.30292 * 107.30582 * 180.02562 * 6 5 4 19 19 N 1.28533 * 110.05413 * 359.97438 * 18 6 5 20 20 C 1.31214 * 109.85711 * 0.02562 * 19 18 6 21 21 N 1.38580 * 126.46790 * 179.73902 * 20 19 18 22 22 C 1.48530 * 111.00092 * 294.51024 * 21 20 19 23 23 C 1.54940 * 103.22936 * 159.72195 * 22 21 20 24 24 C 1.54597 * 102.92174 * 322.59155 * 23 22 21 25 25 H 1.09003 * 110.30468 * 262.93844 * 24 23 22 26 26 C 1.52998 * 110.31161 * 140.87037 * 24 23 22 27 27 C 1.47899 * 111.00704 * 51.91111 * 21 20 19 28 28 H 1.09005 * 109.91306 * 333.51421 * 27 21 20 29 29 C 1.52998 * 109.91976 * 94.79872 * 27 21 20 30 30 H 1.09001 * 109.46745 * 60.00887 * 1 2 3 31 31 H 1.09000 * 109.46692 * 180.02562 * 1 2 3 32 32 H 1.08998 * 109.46837 * 300.00727 * 1 2 3 33 33 H 1.08992 * 109.47645 * 59.99124 * 3 2 1 34 34 H 1.09011 * 109.46840 * 299.99462 * 3 2 1 35 35 H 1.09000 * 109.47444 * 59.99653 * 4 3 2 36 36 H 1.09005 * 109.46962 * 299.99153 * 4 3 2 37 37 H 1.08998 * 109.46739 * 30.01720 * 7 6 5 38 38 H 1.08995 * 109.47222 * 150.01557 * 7 6 5 39 39 H 1.08998 * 109.47526 * 300.00488 * 8 7 6 40 40 H 1.09003 * 109.47125 * 59.99996 * 8 7 6 41 41 H 1.09006 * 109.47059 * 300.00502 * 9 8 7 42 42 H 1.09003 * 109.46849 * 59.99943 * 9 8 7 43 43 H 0.97000 * 120.00425 * 180.02562 * 13 12 10 44 44 H 1.08991 * 110.67263 * 278.16018 * 22 21 20 45 45 H 1.09005 * 110.66333 * 41.12544 * 22 21 20 46 46 H 1.09003 * 110.71993 * 80.94905 * 23 22 21 47 47 H 1.09003 * 110.72608 * 204.22883 * 23 22 21 48 48 H 1.09006 * 109.46781 * 61.45457 * 26 24 23 49 49 H 1.08992 * 109.47403 * 181.44966 * 26 24 23 50 50 H 1.08995 * 109.47061 * 301.45409 * 26 24 23 51 51 H 1.08996 * 109.47029 * 58.55030 * 29 27 21 52 52 H 1.08998 * 109.47571 * 178.55521 * 29 27 21 53 53 H 1.09001 * 109.47287 * 298.55005 * 29 27 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 8 1.4291 0.0000 0.0000 3 6 2.0103 1.3054 0.0000 4 6 3.5354 1.1847 -0.0006 5 7 4.1313 2.5230 -0.0013 6 6 4.4064 3.3037 -1.0897 7 6 4.1522 2.9471 -2.5317 8 6 5.3815 2.2409 -3.1068 9 6 5.1233 1.8783 -4.5706 10 6 6.3339 1.1821 -5.1369 11 1 7.2010 1.0153 -4.5151 12 6 6.3349 0.7590 -6.4491 13 7 5.2793 0.9626 -7.2066 14 14 7.8359 -0.1034 -7.1513 15 1 8.8821 -0.2084 -6.1026 16 1 7.4558 -1.4637 -7.6099 17 1 8.3631 0.6769 -8.2994 18 7 4.9301 4.4124 -0.6491 19 7 5.0035 4.3858 0.6338 20 6 4.5272 3.2491 1.0841 21 7 4.4466 2.8577 2.4110 22 6 5.7999 2.6929 3.0005 23 6 5.5367 2.7872 4.5245 24 6 4.4352 3.8678 4.6189 25 1 4.8762 4.8386 4.8455 26 6 3.4095 3.4886 5.6889 27 6 3.7737 3.8903 3.2285 28 1 3.9055 4.8706 2.7703 29 6 2.2838 3.5661 3.3548 30 1 -0.3633 0.5137 -0.8901 31 1 -0.3633 -1.0277 0.0005 32 1 -0.3633 0.5139 0.8899 33 1 1.6886 1.8465 0.8898 34 1 1.6887 1.8463 -0.8901 35 1 3.8568 0.6439 -0.8908 36 1 3.8575 0.6437 0.8892 37 1 3.2894 2.2842 -2.5954 38 1 3.9554 3.8553 -3.1013 39 1 6.2445 2.9037 -3.0431 40 1 5.5784 1.3326 -2.5372 41 1 4.2604 1.2152 -4.6339 42 1 4.9262 2.7864 -5.1405 43 1 5.2798 0.6646 -8.1297 44 1 6.2165 1.7196 2.7416 45 1 6.4627 3.4934 2.6718 46 1 5.1768 1.8346 4.9133 47 1 6.4357 3.1055 5.0523 48 1 3.9023 3.4278 6.6592 49 1 2.6264 4.2458 5.7261 50 1 2.9691 2.5222 5.4437 51 1 2.1633 2.5829 3.8096 52 1 1.8002 4.3171 3.9794 53 1 1.8265 3.5673 2.3654 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 ZINC001523559191.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 04:52:41 Heat of formation + Delta-G solvation = 25.382902 kcal Electronic energy + Delta-G solvation = -30333.624047 eV Core-core repulsion = 26434.511276 eV Total energy + Delta-G solvation = -3899.112771 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.227 amu Computer time = 0.76 seconds Orbital eigenvalues (eV) -42.95668 -39.78072 -38.25897 -35.42332 -34.86625 -33.86295 -32.37504 -31.74221 -30.00928 -29.64024 -27.61274 -26.57892 -26.48463 -25.25332 -24.01927 -23.46814 -22.55041 -20.94330 -20.69616 -20.11041 -19.30162 -17.82574 -16.93718 -16.40240 -16.28271 -16.24746 -15.70403 -15.49270 -15.00300 -14.71122 -14.63327 -14.47514 -14.19809 -13.97995 -13.87898 -13.46036 -12.88198 -12.70892 -12.59846 -12.35837 -12.25723 -12.03859 -11.93261 -11.86275 -11.71372 -11.67156 -11.52075 -11.37796 -11.17680 -10.93981 -10.89330 -10.80643 -10.78381 -10.55363 -10.46603 -10.11127 -9.98485 -9.76797 -9.50961 -9.16199 -9.03238 -8.65848 -8.36145 -6.01168 -4.03222 1.73066 2.13409 2.93197 3.31222 3.33477 3.38860 3.43340 3.80956 4.15390 4.32448 4.44412 4.46071 4.53896 4.61730 4.67495 4.88370 4.96352 5.00795 5.02734 5.04380 5.10385 5.12787 5.16485 5.21448 5.29197 5.31805 5.35063 5.36441 5.42123 5.46210 5.49286 5.56435 5.61213 5.68229 5.74960 5.80466 5.84893 5.88420 5.94129 6.02196 6.04651 6.14766 6.39173 6.59754 6.60692 6.74257 6.78609 7.02678 7.21311 7.64488 7.77049 7.98077 8.40542 8.84980 9.03423 9.61059 11.10175 Molecular weight = 336.23amu Principal moments of inertia in cm(-1) A = 0.013219 B = 0.002734 C = 0.002462 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2117.589764 B =10238.736365 C =11368.477436 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.034 3.966 2 O -0.384 6.384 3 C 0.052 3.948 4 C 0.114 3.886 5 N -0.461 5.461 6 C 0.209 3.791 7 C -0.038 4.038 8 C -0.102 4.102 9 C 0.023 3.977 10 C -0.519 4.519 11 H 0.055 0.945 12 C 0.057 3.943 13 N -0.895 5.895 14 Si 0.891 3.109 15 H -0.273 1.273 16 H -0.284 1.284 17 H -0.284 1.284 18 N -0.290 5.290 19 N -0.312 5.312 20 C 0.327 3.673 21 N -0.442 5.442 22 C 0.045 3.955 23 C -0.116 4.116 24 C -0.097 4.097 25 H 0.080 0.920 26 C -0.143 4.143 27 C 0.077 3.923 28 H 0.073 0.927 29 C -0.137 4.137 30 H 0.045 0.955 31 H 0.090 0.910 32 H 0.041 0.959 33 H 0.057 0.943 34 H 0.057 0.943 35 H 0.109 0.891 36 H 0.108 0.892 37 H 0.078 0.922 38 H 0.098 0.902 39 H 0.057 0.943 40 H 0.046 0.954 41 H 0.017 0.983 42 H 0.020 0.980 43 H 0.260 0.740 44 H 0.086 0.914 45 H 0.064 0.936 46 H 0.079 0.921 47 H 0.077 0.923 48 H 0.054 0.946 49 H 0.058 0.942 50 H 0.063 0.937 51 H 0.068 0.932 52 H 0.065 0.935 53 H 0.046 0.954 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.320 1.634 26.032 27.698 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 -0.063 4.063 2 O -0.302 6.302 3 C -0.025 4.025 4 C -0.010 4.010 5 N -0.155 5.155 6 C -0.058 4.058 7 C -0.078 4.078 8 C -0.141 4.141 9 C -0.014 4.014 10 C -0.557 4.557 11 H 0.073 0.927 12 C -0.144 4.144 13 N -0.534 5.534 14 Si 0.719 3.281 15 H -0.198 1.198 16 H -0.210 1.210 17 H -0.210 1.210 18 N -0.129 5.129 19 N -0.156 5.156 20 C -0.029 4.029 21 N -0.168 5.168 22 C -0.081 4.081 23 C -0.154 4.154 24 C -0.117 4.117 25 H 0.099 0.901 26 C -0.200 4.200 27 C -0.031 4.031 28 H 0.091 0.909 29 C -0.195 4.195 30 H 0.063 0.937 31 H 0.108 0.892 32 H 0.059 0.941 33 H 0.075 0.925 34 H 0.075 0.925 35 H 0.127 0.873 36 H 0.126 0.874 37 H 0.096 0.904 38 H 0.117 0.883 39 H 0.076 0.924 40 H 0.065 0.935 41 H 0.036 0.964 42 H 0.038 0.962 43 H 0.070 0.930 44 H 0.104 0.896 45 H 0.082 0.918 46 H 0.097 0.903 47 H 0.096 0.904 48 H 0.073 0.927 49 H 0.077 0.923 50 H 0.082 0.918 51 H 0.086 0.914 52 H 0.084 0.916 53 H 0.065 0.935 Dipole moment (debyes) X Y Z Total from point charges -8.972 2.314 25.862 27.471 hybrid contribution 0.406 -0.894 -0.593 1.147 sum -8.566 1.420 25.268 26.719 Atomic orbital electron populations 1.22777 0.80194 1.03101 1.00186 1.87821 1.20316 1.26538 1.95506 1.22709 0.92881 0.85645 1.01312 1.21550 0.92181 0.80574 1.06652 1.46149 1.46927 1.16078 1.06345 1.25412 0.99840 0.88361 0.92193 1.20410 1.01141 1.02710 0.83513 1.21655 0.94599 0.98201 0.99652 1.19101 0.97175 0.96793 0.88357 1.21247 1.00862 1.37372 0.96269 0.92678 1.25008 0.96094 0.96132 0.97163 1.69965 1.28723 1.47246 1.07512 0.86550 0.83162 0.79305 0.79095 1.19756 1.21019 1.20972 1.74075 1.18026 1.18514 1.02303 1.74503 1.19727 1.17108 1.04239 1.22419 1.02330 0.89709 0.88461 1.61450 1.17575 1.42444 0.95371 1.23307 0.88158 1.02552 0.94132 1.22583 0.98593 0.99502 0.94767 1.22004 0.96107 0.99562 0.93982 0.90148 1.21942 0.98539 1.01964 0.97596 1.22501 0.94653 0.93570 0.92355 0.90874 1.21892 0.93915 1.02279 1.01419 0.93670 0.89170 0.94056 0.92527 0.92483 0.87303 0.87360 0.90386 0.88327 0.92388 0.93516 0.96448 0.96162 0.93039 0.89592 0.91796 0.90275 0.90394 0.92717 0.92317 0.91797 0.91355 0.91617 0.93471 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 0.03 0.28 11.01 101.05 1.11 1.39 16 2 O -0.38 -4.38 10.70 -35.23 -0.38 -4.76 16 3 C 0.05 0.58 6.26 37.15 0.23 0.81 16 4 C 0.11 1.38 6.23 -4.04 -0.03 1.36 16 5 N -0.46 -6.71 2.81 -114.09 -0.32 -7.03 16 6 C 0.21 3.53 7.32 -154.01 -1.13 2.40 16 7 C -0.04 -0.64 5.49 -27.88 -0.15 -0.79 16 8 C -0.10 -2.08 5.13 -26.73 -0.14 -2.22 16 9 C 0.02 0.57 4.97 -27.89 -0.14 0.43 16 10 C -0.52 -14.62 9.11 -34.44 -0.31 -14.94 16 11 H 0.05 1.53 7.74 -52.49 -0.41 1.12 16 12 C 0.06 1.63 5.46 -17.82 -0.10 1.54 16 13 N -0.90 -26.67 13.29 55.43 0.74 -25.93 16 14 Si 0.89 21.71 29.54 -169.99 -5.02 16.69 16 15 H -0.27 -6.54 7.11 56.52 0.40 -6.14 16 16 H -0.28 -6.82 7.11 56.52 0.40 -6.42 16 17 H -0.28 -6.85 7.11 56.52 0.40 -6.45 16 18 N -0.29 -5.48 12.18 32.99 0.40 -5.08 16 19 N -0.31 -5.46 11.42 30.31 0.35 -5.12 16 20 C 0.33 4.80 6.50 -318.88 -2.07 2.73 16 21 N -0.44 -5.07 4.94 -163.09 -0.81 -5.88 16 22 C 0.05 0.46 6.50 -1.90 -0.01 0.45 16 23 C -0.12 -0.85 6.61 -24.87 -0.16 -1.01 16 24 C -0.10 -0.73 3.59 -89.27 -0.32 -1.05 16 25 H 0.08 0.59 8.14 -51.93 -0.42 0.17 16 26 C -0.14 -0.84 7.91 37.16 0.29 -0.54 16 27 C 0.08 0.76 3.02 -66.65 -0.20 0.56 16 28 H 0.07 0.89 7.26 -51.93 -0.38 0.52 16 29 C -0.14 -1.17 8.36 37.16 0.31 -0.86 16 30 H 0.04 0.36 8.14 -51.93 -0.42 -0.06 16 31 H 0.09 0.62 8.14 -51.93 -0.42 0.20 16 32 H 0.04 0.29 8.14 -51.93 -0.42 -0.13 16 33 H 0.06 0.60 7.66 -51.93 -0.40 0.20 16 34 H 0.06 0.65 8.07 -51.92 -0.42 0.23 16 35 H 0.11 1.38 8.02 -51.93 -0.42 0.97 16 36 H 0.11 1.21 8.14 -51.93 -0.42 0.79 16 37 H 0.08 1.19 7.90 -51.93 -0.41 0.78 16 38 H 0.10 1.65 8.14 -51.93 -0.42 1.23 16 39 H 0.06 1.24 8.14 -51.93 -0.42 0.82 16 40 H 0.05 0.93 8.14 -51.93 -0.42 0.51 16 41 H 0.02 0.45 8.14 -51.93 -0.42 0.03 16 42 H 0.02 0.53 8.14 -51.93 -0.42 0.11 16 43 H 0.26 7.30 8.31 -40.82 -0.34 6.96 16 44 H 0.09 0.84 8.14 -51.93 -0.42 0.42 16 45 H 0.06 0.75 7.89 -51.93 -0.41 0.34 16 46 H 0.08 0.53 7.86 -51.93 -0.41 0.13 16 47 H 0.08 0.48 8.14 -51.93 -0.42 0.06 16 48 H 0.05 0.28 8.14 -51.93 -0.42 -0.14 16 49 H 0.06 0.32 6.93 -51.93 -0.36 -0.04 16 50 H 0.06 0.39 6.59 -51.93 -0.34 0.04 16 51 H 0.07 0.54 6.58 -51.93 -0.34 0.20 16 52 H 0.06 0.46 6.92 -51.93 -0.36 0.10 16 53 H 0.05 0.47 7.66 -51.93 -0.40 0.07 16 LS Contribution 420.90 15.07 6.34 6.34 Total: -1.00 -32.72 420.90 -11.19 -43.91 By element: Atomic # 1 Polarization: 6.26 SS G_CDS: -9.68 Total: -3.41 kcal Atomic # 6 Polarization: -6.92 SS G_CDS: -2.81 Total: -9.74 kcal Atomic # 7 Polarization: -49.40 SS G_CDS: 0.36 Total: -49.04 kcal Atomic # 8 Polarization: -4.38 SS G_CDS: -0.38 Total: -4.76 kcal Atomic # 14 Polarization: 21.71 SS G_CDS: -5.02 Total: 16.69 kcal Total LS contribution 6.34 Total: 6.34 kcal Total: -32.72 -11.19 -43.91 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. ZINC001523559191.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 69.295 kcal (2) G-P(sol) polarization free energy of solvation -32.725 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system 36.570 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.187 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -43.912 kcal (6) G-S(sol) free energy of system = (1) + (5) 25.383 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.76 seconds