Wall clock time and date at job start Sun Mar 7 2021 05:36:53 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 C 2 2 O 1.42894 * 1 3 3 C 1.35982 * 116.99752 * 2 1 4 4 C 1.38677 * 119.99789 * 180.02562 * 3 2 1 5 5 C 1.38159 * 120.00045 * 179.97438 * 4 3 2 6 6 C 1.50693 * 120.00203 * 179.97438 * 5 4 3 7 7 O 1.42898 * 109.47165 * 255.01991 * 6 5 4 8 8 Si 1.86298 * 109.47185 * 15.01884 * 6 5 4 9 9 C 1.38676 * 119.99891 * 359.97438 * 5 4 3 10 10 O 1.35982 * 120.00140 * 180.02562 * 9 5 4 11 11 C 1.42899 * 116.99865 * 179.97438 * 10 9 5 12 12 C 1.50702 * 109.46876 * 179.97438 * 11 10 9 13 13 O 1.21283 * 120.00262 * 0.02562 * 12 11 10 14 14 N 1.34777 * 119.99928 * 179.72354 * 12 11 10 15 15 C 1.46499 * 120.00199 * 180.27479 * 14 12 11 16 16 H 1.09001 * 109.46948 * 35.00281 * 15 14 12 17 17 C 1.52999 * 109.47481 * 154.99940 * 15 14 12 18 18 C 1.52995 * 109.47507 * 179.97438 * 17 15 14 19 19 C 1.52997 * 109.47319 * 300.00556 * 18 17 15 20 20 H 1.08993 * 109.47268 * 299.99783 * 19 18 17 21 21 C 1.50708 * 109.47156 * 179.97438 * 19 18 17 22 22 N 1.30514 * 126.34640 * 94.69046 * 21 19 18 23 23 N 1.28593 * 109.67236 * 179.82237 * 22 21 19 24 24 C 1.30514 * 109.67092 * 0.45267 * 23 22 21 25 25 N 1.35484 * 107.30803 * 359.72305 * 24 23 22 26 26 C 1.53005 * 109.47302 * 59.99629 * 19 18 17 27 27 C 1.52997 * 109.47288 * 275.00460 * 15 14 12 28 28 C 1.38722 * 119.99774 * 0.27491 * 9 5 4 29 29 C 1.38102 * 120.00055 * 359.45219 * 28 9 5 30 30 H 1.08999 * 109.47638 * 60.00353 * 1 2 3 31 31 H 1.09007 * 109.47329 * 180.02562 * 1 2 3 32 32 H 1.09009 * 109.47219 * 299.99828 * 1 2 3 33 33 H 1.07996 * 120.00557 * 359.97438 * 4 3 2 34 34 H 1.09004 * 109.47596 * 135.02191 * 6 5 4 35 35 H 0.96697 * 114.00237 * 300.00017 * 7 6 5 36 36 H 1.48505 * 109.99771 * 60.00191 * 8 6 5 37 37 H 1.48503 * 110.00334 * 181.31740 * 8 6 5 38 38 H 1.09004 * 109.47206 * 60.00281 * 11 10 9 39 39 H 1.08994 * 109.47548 * 299.99938 * 11 10 9 40 40 H 0.97000 * 120.00317 * 0.28382 * 14 12 11 41 41 H 1.09000 * 109.47556 * 300.00768 * 17 15 14 42 42 H 1.09007 * 109.46426 * 60.00536 * 17 15 14 43 43 H 1.09001 * 109.46891 * 60.00360 * 18 17 15 44 44 H 1.09000 * 109.47220 * 179.97438 * 18 17 15 45 45 H 1.08011 * 126.34235 * 179.73542 * 24 23 22 46 46 H 0.97008 * 126.97782 * 180.02562 * 25 24 23 47 47 H 1.09001 * 109.47005 * 60.00136 * 26 19 18 48 48 H 1.09000 * 109.46851 * 179.97438 * 26 19 18 49 49 H 1.08993 * 109.47268 * 299.99834 * 27 15 14 50 50 H 1.09006 * 109.47495 * 60.00048 * 27 15 14 51 51 H 1.07999 * 119.99783 * 179.70047 * 28 9 5 52 52 H 1.08006 * 120.00469 * 180.27430 * 29 28 9 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 1.4289 0.0000 0.0000 3 6 2.0462 1.2116 0.0000 4 6 3.4311 1.2842 -0.0005 5 6 4.0583 2.5152 -0.0011 6 6 5.5632 2.5941 -0.0011 7 8 6.0206 2.9674 1.3002 8 14 6.2722 0.9324 -0.4555 9 6 3.3030 3.6782 -0.0016 10 8 3.9203 4.8899 -0.0027 11 6 3.0803 6.0459 -0.0037 12 6 3.9345 7.2875 -0.0042 13 8 5.1435 7.1918 -0.0041 14 7 3.3548 8.5042 -0.0108 15 6 4.1852 9.7111 -0.0173 16 1 5.0846 9.5302 -0.6058 17 6 3.3972 10.8690 -0.6333 18 6 4.2641 12.1296 -0.6395 19 6 4.6563 12.4861 0.7958 20 1 3.7567 12.6667 1.3840 21 6 5.5107 13.7275 0.7896 22 7 5.0956 14.9531 0.9599 23 7 6.0942 15.7609 0.8976 24 6 7.1903 15.0883 0.6752 25 7 6.8513 13.7786 0.6004 26 6 5.4443 11.3282 1.4117 27 6 4.5778 10.0678 1.4177 28 6 1.9177 3.6056 0.0042 29 6 1.2908 2.3751 -0.0010 30 1 -0.3634 0.5138 -0.8900 31 1 -0.3634 -1.0277 0.0005 32 1 -0.3634 0.5138 0.8901 33 1 4.0194 0.3785 -0.0005 34 1 5.8881 3.3388 -0.7278 35 1 5.6900 3.8243 1.6026 36 1 5.8040 0.5328 -1.8069 37 1 7.7559 0.9884 -0.4281 38 1 2.4510 6.0386 0.8863 39 1 2.4511 6.0371 -0.8937 40 1 2.3879 8.5808 -0.0111 41 1 3.1174 10.6149 -1.6556 42 1 2.4978 11.0500 -0.0447 43 1 5.1638 11.9489 -1.2277 44 1 3.7029 12.9544 -1.0787 45 1 8.1835 15.4995 0.5704 46 1 7.4475 13.0296 0.4435 47 1 6.3440 11.1475 0.8235 48 1 5.7240 11.5824 2.4341 49 1 3.6784 10.2488 2.0062 50 1 5.1393 9.2430 1.8566 51 1 1.3295 4.5113 0.0086 52 1 0.2122 2.3184 -0.0010 There are 72 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 72 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 s_22_16624780_4974302.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sun Mar 7 2021 05:36:53 Heat of formation + Delta-G solvation = -39.194173 kcal Electronic energy + Delta-G solvation = -35590.021890 eV Core-core repulsion = 30751.196477 eV Total energy + Delta-G solvation = -4838.825413 eV No. of doubly occupied orbitals = 72 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 389.183 amu Computer time = 1.43 seconds Orbital eigenvalues (eV) -44.15062 -41.89944 -41.22202 -40.15018 -39.30965 -38.01890 -36.87294 -35.86176 -34.61696 -32.87731 -32.65419 -32.14892 -31.16177 -30.18343 -28.85865 -28.07448 -26.52718 -24.93228 -24.30047 -23.75396 -23.28172 -22.42890 -22.22869 -21.70458 -21.10888 -19.57875 -19.40689 -18.85217 -18.64100 -17.93643 -17.60101 -17.44512 -17.38214 -16.84984 -16.72513 -16.44296 -16.25306 -16.06498 -15.84094 -15.62122 -15.40340 -15.34720 -15.20372 -14.99832 -14.51144 -14.25509 -14.17545 -14.07242 -13.87053 -13.65848 -13.54889 -13.46773 -13.12042 -12.89694 -12.72036 -12.57369 -12.49706 -12.38282 -12.28087 -11.91954 -11.89741 -11.84011 -11.66884 -11.55430 -11.34363 -11.18714 -11.04846 -10.95230 -10.32914 -10.20631 -10.10436 -8.85420 -4.77366 0.04348 0.31597 0.78949 1.29361 1.34826 1.50398 1.74619 1.75922 1.90238 2.11048 2.22758 2.41456 2.52972 3.02865 3.24430 3.37275 3.40739 3.51169 3.60171 3.62228 3.69149 3.75505 3.76794 3.87774 3.92817 3.95083 4.05324 4.06453 4.07946 4.08899 4.10740 4.14031 4.15359 4.29945 4.30875 4.39517 4.39948 4.45071 4.51372 4.54932 4.61749 4.73736 4.77132 4.82354 4.83198 4.98740 5.00027 5.04647 5.07411 5.09218 5.15522 5.21927 5.37207 6.01103 6.01819 6.20577 6.35315 6.70327 6.94819 7.73624 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.026 3.974 2 O -0.313 6.313 3 C 0.104 3.896 4 C -0.103 4.103 5 C -0.098 4.098 6 C -0.072 4.072 7 O -0.533 6.533 8 Si 0.743 3.257 9 C 0.099 3.901 10 O -0.291 6.291 11 C 0.040 3.960 12 C 0.517 3.483 13 O -0.511 6.511 14 N -0.724 5.724 15 C 0.146 3.854 16 H 0.091 0.909 17 C -0.125 4.125 18 C -0.107 4.107 19 C -0.003 4.003 20 H 0.110 0.890 21 C 0.185 3.815 22 N -0.290 5.290 23 N -0.296 5.296 24 C 0.155 3.845 25 N -0.581 5.581 26 C -0.115 4.115 27 C -0.128 4.128 28 C -0.165 4.165 29 C -0.165 4.165 30 H 0.055 0.945 31 H 0.103 0.897 32 H 0.056 0.944 33 H 0.146 0.854 34 H 0.078 0.922 35 H 0.368 0.632 36 H -0.251 1.251 37 H -0.254 1.254 38 H 0.095 0.905 39 H 0.093 0.907 40 H 0.403 0.597 41 H 0.077 0.923 42 H 0.077 0.923 43 H 0.067 0.933 44 H 0.081 0.919 45 H 0.223 0.777 46 H 0.429 0.571 47 H 0.065 0.935 48 H 0.075 0.925 49 H 0.072 0.928 50 H 0.076 0.924 51 H 0.133 0.867 52 H 0.135 0.865 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -5.112 -2.571 -0.662 5.760 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 -0.069 4.069 2 O -0.227 6.227 3 C 0.059 3.941 4 C -0.121 4.121 5 C -0.100 4.100 6 C -0.180 4.180 7 O -0.338 6.338 8 Si 0.641 3.359 9 C 0.054 3.946 10 O -0.204 6.204 11 C -0.039 4.039 12 C 0.302 3.698 13 O -0.385 6.385 14 N -0.378 5.378 15 C 0.042 3.958 16 H 0.109 0.891 17 C -0.163 4.163 18 C -0.146 4.146 19 C -0.024 4.024 20 H 0.129 0.871 21 C -0.084 4.084 22 N -0.131 5.131 23 N -0.135 5.135 24 C -0.134 4.134 25 N -0.194 5.194 26 C -0.154 4.154 27 C -0.167 4.167 28 C -0.184 4.184 29 C -0.184 4.184 30 H 0.074 0.926 31 H 0.122 0.878 32 H 0.075 0.925 33 H 0.164 0.836 34 H 0.096 0.904 35 H 0.216 0.784 36 H -0.175 1.175 37 H -0.179 1.179 38 H 0.113 0.887 39 H 0.111 0.889 40 H 0.237 0.763 41 H 0.096 0.904 42 H 0.095 0.905 43 H 0.086 0.914 44 H 0.100 0.900 45 H 0.239 0.761 46 H 0.269 0.731 47 H 0.083 0.917 48 H 0.094 0.906 49 H 0.091 0.909 50 H 0.094 0.906 51 H 0.151 0.849 52 H 0.153 0.847 Dipole moment (debyes) X Y Z Total from point charges -4.144 -2.476 -1.000 4.929 hybrid contribution -0.180 0.723 -0.645 0.985 sum -4.323 -1.753 -1.645 4.947 Atomic orbital electron populations 1.23107 0.78039 1.04426 1.01330 1.86115 1.21565 1.26160 1.88858 1.18815 0.91911 0.84591 0.98815 1.20061 0.91649 0.96776 1.03615 1.19476 0.96595 0.90035 1.03848 1.25360 0.91509 1.12338 0.88790 1.86710 1.73767 1.41893 1.31479 0.93001 0.79757 0.80274 0.82843 1.18651 0.90825 0.84562 1.00567 1.86108 1.33876 1.11073 1.89300 1.22458 0.93196 0.84148 1.04050 1.20030 0.88836 0.84202 0.76739 1.90787 1.14109 1.86532 1.47061 1.45876 1.10585 1.05005 1.76302 1.21064 0.94756 0.83105 0.96911 0.89064 1.21807 0.98933 0.93528 1.02071 1.21530 1.00503 0.97734 0.94836 1.19778 0.97037 0.86987 0.98569 0.87148 1.24844 0.82385 0.97825 1.03386 1.74300 1.22781 0.97476 1.18542 1.74307 0.95507 1.26289 1.17413 1.26593 1.02349 0.80435 1.04062 1.44137 1.09460 1.10525 1.55244 1.21593 0.98396 0.93651 1.01739 1.21891 1.00565 0.97536 0.96670 1.21016 0.92814 0.98697 1.05830 1.21087 1.00351 0.91508 1.05434 0.92609 0.87843 0.92525 0.83638 0.90439 0.78420 1.17509 1.17912 0.88739 0.88871 0.76268 0.90406 0.90462 0.91436 0.90046 0.76086 0.73109 0.91652 0.90595 0.90886 0.90573 0.84910 0.84680 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 -0.07 9.81 101.05 0.99 0.93 16 2 O -0.31 -0.31 10.50 -19.68 -0.21 -0.52 16 3 C 0.10 0.12 6.69 -39.24 -0.26 -0.14 16 4 C -0.10 -0.15 8.59 -39.45 -0.34 -0.49 16 5 C -0.10 -0.20 5.27 -104.49 -0.55 -0.75 16 6 C -0.07 -0.19 2.33 36.00 0.08 -0.10 16 7 O -0.53 -1.81 12.65 -35.23 -0.45 -2.26 16 8 Si 0.74 1.08 30.17 -169.99 -5.13 -4.04 16 9 C 0.10 0.12 6.62 -39.24 -0.26 -0.14 16 10 O -0.29 -0.39 8.56 -39.59 -0.34 -0.73 16 11 C 0.04 -0.10 5.22 36.01 0.19 0.09 16 12 C 0.52 -0.26 7.87 -10.98 -0.09 -0.35 16 13 O -0.51 -2.14 16.16 -14.35 -0.23 -2.37 16 14 N -0.72 2.62 5.08 -53.81 -0.27 2.35 16 15 C 0.15 -0.45 2.45 -67.93 -0.17 -0.62 16 16 H 0.09 -0.10 7.58 -51.93 -0.39 -0.49 16 17 C -0.13 0.56 5.39 -26.73 -0.14 0.42 16 18 C -0.11 0.35 5.19 -26.74 -0.14 0.21 16 19 C 0.00 0.01 2.66 -91.77 -0.24 -0.24 16 20 H 0.11 -0.26 8.14 -51.93 -0.42 -0.68 16 21 C 0.18 0.07 6.99 -154.99 -1.08 -1.01 16 22 N -0.29 -1.30 12.21 32.80 0.40 -0.90 16 23 N -0.30 -1.33 12.21 29.69 0.36 -0.96 16 24 C 0.15 -0.03 13.19 -89.96 -1.19 -1.22 16 25 N -0.58 1.07 5.96 -11.36 -0.07 1.00 16 26 C -0.11 0.38 4.97 -26.76 -0.13 0.25 16 27 C -0.13 0.38 5.49 -26.76 -0.15 0.24 16 28 C -0.16 0.12 9.03 -39.45 -0.36 -0.24 16 29 C -0.17 0.07 9.03 -39.45 -0.36 -0.28 16 30 H 0.06 -0.19 7.66 -51.93 -0.40 -0.59 16 31 H 0.10 -0.40 8.14 -51.92 -0.42 -0.82 16 32 H 0.06 -0.19 7.66 -51.92 -0.40 -0.59 16 33 H 0.15 -0.01 5.13 -52.49 -0.27 -0.28 16 34 H 0.08 0.26 7.82 -51.93 -0.41 -0.15 16 35 H 0.37 0.72 8.60 45.56 0.39 1.11 16 36 H -0.25 -0.66 7.11 56.52 0.40 -0.26 16 37 H -0.25 -1.06 7.11 56.52 0.40 -0.66 16 38 H 0.09 -0.45 7.65 -51.93 -0.40 -0.85 16 39 H 0.09 -0.42 7.67 -51.93 -0.40 -0.82 16 40 H 0.40 -2.66 8.60 -40.82 -0.35 -3.01 16 41 H 0.08 -0.35 8.14 -51.93 -0.42 -0.77 16 42 H 0.08 -0.41 8.14 -51.93 -0.42 -0.83 16 43 H 0.07 -0.22 8.14 -51.93 -0.42 -0.64 16 44 H 0.08 -0.19 8.14 -51.93 -0.42 -0.61 16 45 H 0.22 -1.00 8.06 -52.48 -0.42 -1.42 16 46 H 0.43 -2.19 8.28 -40.82 -0.34 -2.53 16 47 H 0.06 -0.25 7.52 -51.93 -0.39 -0.64 16 48 H 0.08 -0.21 8.14 -51.93 -0.42 -0.64 16 49 H 0.07 -0.26 8.14 -51.93 -0.42 -0.69 16 50 H 0.08 -0.07 8.14 -51.93 -0.42 -0.50 16 51 H 0.13 -0.49 6.29 -52.49 -0.33 -0.82 16 52 H 0.14 -0.37 6.29 -52.48 -0.33 -0.70 16 LS Contribution 422.60 15.07 6.37 6.37 Total: 0.00 -13.21 422.60 -11.19 -24.39 By element: Atomic # 1 Polarization: -11.44 SS G_CDS: -7.43 Total: -18.88 kcal Atomic # 6 Polarization: 0.74 SS G_CDS: -4.19 Total: -3.45 kcal Atomic # 7 Polarization: 1.07 SS G_CDS: 0.42 Total: 1.49 kcal Atomic # 8 Polarization: -4.65 SS G_CDS: -1.22 Total: -5.88 kcal Atomic # 14 Polarization: 1.08 SS G_CDS: -5.13 Total: -4.04 kcal Total LS contribution 6.37 Total: 6.37 kcal Total: -13.21 -11.19 -24.39 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. s_22_16624780_4974302.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 -14.800 kcal (2) G-P(sol) polarization free energy of solvation -13.209 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -28.009 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.185 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -24.394 kcal (6) G-S(sol) free energy of system = (1) + (5) -39.194 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.43 seconds