Wall clock time and date at job start Sat Apr 11 2020 06:12:58 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 1.53004 * 1 3 3 C 1.52999 * 109.47292 * 2 1 4 4 C 1.52995 * 109.47197 * 180.02562 * 3 2 1 5 5 H 1.09006 * 109.46685 * 304.99772 * 4 3 2 6 6 N 1.46496 * 109.47394 * 64.99923 * 4 3 2 7 7 C 1.34772 * 120.00158 * 59.99683 * 6 4 3 8 8 N 1.34779 * 120.00425 * 180.02562 * 7 6 4 9 9 O 1.21592 * 119.99921 * 0.02562 * 7 6 4 10 10 C 1.50701 * 109.47088 * 184.99998 * 4 3 2 11 11 O 1.21277 * 119.99811 * 259.99422 * 10 4 3 12 12 N 1.34779 * 119.99983 * 80.00105 * 10 4 3 13 13 C 1.46498 * 119.99638 * 179.97438 * 12 10 4 14 14 H 1.08998 * 109.46109 * 325.02512 * 13 12 10 15 15 C 1.53036 * 109.46029 * 85.00019 * 13 12 10 16 16 C 1.53191 * 109.31700 * 181.38088 * 15 13 12 17 17 N 1.46924 * 108.77488 * 305.37061 * 16 15 13 18 18 C 1.36940 * 120.62688 * 233.62801 * 17 16 15 19 19 H 1.08000 * 120.00283 * 152.63345 * 18 17 16 20 20 C 1.38819 * 120.00049 * 332.62519 * 18 17 16 21 21 N 1.31619 * 119.99675 * 159.33347 * 20 18 17 22 22 Si 1.86797 * 119.99785 * 339.34035 * 20 18 17 23 23 H 1.48505 * 109.47057 * 92.96289 * 22 20 18 24 24 H 1.48500 * 109.47143 * 212.96070 * 22 20 18 25 25 H 1.48498 * 109.47367 * 332.96550 * 22 20 18 26 26 C 1.46921 * 118.74384 * 53.59942 * 17 16 15 27 27 C 1.53040 * 109.45709 * 205.06527 * 13 12 10 28 28 C 1.52999 * 109.49949 * 298.56435 * 27 13 12 29 29 C 1.53003 * 109.50094 * 58.66723 * 27 13 12 30 30 H 1.08998 * 109.46920 * 300.00495 * 1 2 3 31 31 H 1.08999 * 109.46849 * 59.99452 * 1 2 3 32 32 H 1.08996 * 109.47509 * 180.02562 * 1 2 3 33 33 H 1.09001 * 109.46896 * 240.00032 * 2 1 3 34 34 H 1.08999 * 109.46628 * 120.00043 * 2 1 3 35 35 H 1.08998 * 109.47543 * 59.99886 * 3 2 1 36 36 H 1.09003 * 109.46935 * 299.99911 * 3 2 1 37 37 H 0.97001 * 120.00001 * 240.00596 * 6 4 3 38 38 H 0.97004 * 119.99585 * 0.02562 * 8 7 6 39 39 H 0.96997 * 120.00294 * 180.02562 * 8 7 6 40 40 H 0.97000 * 119.99859 * 359.97438 * 12 10 4 41 41 H 1.09004 * 109.49667 * 301.33362 * 15 13 12 42 42 H 1.09006 * 109.50154 * 61.42969 * 15 13 12 43 43 H 1.09006 * 109.58196 * 65.15110 * 16 15 13 44 44 H 1.08994 * 109.59101 * 185.43256 * 16 15 13 45 45 H 0.97004 * 119.99209 * 179.97438 * 21 20 18 46 46 H 1.09004 * 109.58452 * 66.18289 * 26 17 16 47 47 H 1.09003 * 109.58801 * 186.46368 * 26 17 16 48 48 H 1.09003 * 109.46600 * 60.00649 * 28 27 13 49 49 H 1.08999 * 109.47111 * 179.97438 * 28 27 13 50 50 H 1.08995 * 109.47231 * 300.00467 * 28 27 13 51 51 H 1.09000 * 109.47047 * 59.99438 * 29 27 13 52 52 H 1.08997 * 109.47571 * 179.97438 * 29 27 13 53 53 H 1.09005 * 109.46448 * 300.00199 * 29 27 13 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 2.0401 1.4425 0.0000 4 6 3.5700 1.4424 -0.0006 5 1 3.9336 0.8529 0.8410 6 7 4.0579 0.8589 -1.2527 7 6 3.7318 1.4244 -2.4318 8 7 4.1802 0.8873 -3.5837 9 8 3.0331 2.4192 -2.4564 10 6 4.0724 2.8578 0.1232 11 8 4.4462 3.4570 -0.8628 12 7 4.1065 3.4577 1.3296 13 6 4.5954 4.8334 1.4500 14 1 5.4012 4.9964 0.7343 15 6 3.4517 5.8082 1.1607 16 6 3.9746 7.2450 1.2536 17 7 4.6107 7.4329 2.5647 18 6 4.2308 8.4630 3.3831 19 1 4.3381 8.3699 4.4538 20 6 3.7080 9.6272 2.8367 21 7 2.9801 10.4337 3.5797 22 14 4.0375 10.0487 1.0470 23 1 2.9322 9.5264 0.2039 24 1 4.1229 11.5233 0.8934 25 1 5.3191 9.4315 0.6208 26 6 5.6614 6.4944 2.9813 27 6 5.1194 5.0659 2.8690 28 6 3.9807 4.8716 3.8722 29 6 6.2409 4.0692 3.1690 30 1 -0.3633 0.5139 0.8899 31 1 -0.3633 0.5139 -0.8899 32 1 -0.3634 -1.0276 0.0005 33 1 1.8933 -0.5138 -0.8900 34 1 1.8933 -0.5138 0.8900 35 1 1.6768 1.9564 0.8899 36 1 1.6767 1.9563 -0.8900 37 1 4.6155 0.0654 -1.2331 38 1 4.7373 0.0934 -3.5641 39 1 3.9458 1.2945 -4.4323 40 1 3.8073 2.9785 2.1181 41 1 3.0634 5.6264 0.1585 42 1 2.6560 5.6627 1.8915 43 1 4.7060 7.4194 0.4644 44 1 3.1453 7.9436 1.1440 45 1 2.6151 11.2473 3.1978 46 1 6.5304 6.6075 2.3329 47 1 5.9464 6.6993 4.0132 48 1 3.5935 3.8560 3.7900 49 1 4.3545 5.0368 4.8826 50 1 3.1830 5.5829 3.6586 51 1 7.0522 4.2094 2.4548 52 1 6.6141 4.2354 4.1795 53 1 5.8554 3.0530 3.0861 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 ZINC001717311296.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 06:12:58 Heat of formation + Delta-G solvation = -50.243516 kcal Electronic energy + Delta-G solvation = -32421.238344 eV Core-core repulsion = 28328.390114 eV Total energy + Delta-G solvation = -4092.848230 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.88 seconds Orbital eigenvalues (eV) -40.71670 -39.53761 -38.01089 -35.96486 -34.73396 -33.95056 -33.15052 -33.01249 -31.68210 -30.35839 -28.93964 -26.94705 -26.35994 -25.48437 -24.17893 -22.32966 -21.88729 -21.20327 -20.86903 -19.83768 -18.74597 -18.40441 -17.44275 -16.86471 -16.52391 -15.99732 -15.56295 -15.15874 -14.86935 -14.67946 -14.31628 -14.21192 -14.18255 -13.94488 -13.85141 -13.59795 -13.43544 -13.06348 -12.72138 -12.58634 -12.32676 -12.05799 -12.01553 -11.74692 -11.64242 -11.51196 -11.32843 -11.22896 -11.17971 -10.97207 -10.76328 -10.48982 -10.34917 -10.21280 -10.00946 -9.89365 -9.80326 -9.67417 -9.62244 -9.43226 -8.88565 -8.65230 -8.50068 -6.91943 -5.90473 -3.25687 2.60875 2.92197 3.23330 3.41240 3.53000 3.55675 3.60055 4.32523 4.58653 4.59608 4.69983 4.76360 4.88639 4.95799 4.98918 5.08098 5.26705 5.29842 5.32506 5.45715 5.47125 5.58985 5.66905 5.76674 5.79104 5.87363 5.89111 5.94741 5.98122 6.04998 6.15183 6.17589 6.22016 6.29039 6.32829 6.38644 6.45970 6.54427 6.55640 6.66534 6.69487 6.76928 6.82272 6.83982 6.90387 7.07138 7.75833 7.86591 8.00748 8.36955 8.49446 8.70639 8.98648 9.77401 10.15293 11.25384 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.014025 B = 0.003270 C = 0.003136 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1995.939179 B = 8559.343126 C = 8926.204803 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.152 4.152 2 C -0.115 4.115 3 C -0.136 4.136 4 C 0.155 3.845 5 H 0.105 0.895 6 N -0.733 5.733 7 C 0.709 3.291 8 N -0.873 5.873 9 O -0.559 6.559 10 C 0.495 3.505 11 O -0.506 6.506 12 N -0.724 5.724 13 C 0.167 3.833 14 H 0.079 0.921 15 C -0.143 4.143 16 C 0.129 3.871 17 N -0.603 5.603 18 C -0.257 4.257 19 H 0.086 0.914 20 C 0.024 3.976 21 N -0.909 5.909 22 Si 0.880 3.120 23 H -0.288 1.288 24 H -0.304 1.304 25 H -0.271 1.271 26 C 0.163 3.837 27 C -0.090 4.090 28 C -0.131 4.131 29 C -0.135 4.135 30 H 0.055 0.945 31 H 0.054 0.946 32 H 0.052 0.948 33 H 0.060 0.940 34 H 0.059 0.941 35 H 0.075 0.925 36 H 0.096 0.904 37 H 0.397 0.603 38 H 0.391 0.609 39 H 0.413 0.587 40 H 0.393 0.607 41 H 0.058 0.942 42 H 0.068 0.932 43 H 0.025 0.975 44 H 0.074 0.926 45 H 0.262 0.738 46 H 0.023 0.977 47 H 0.067 0.933 48 H 0.035 0.965 49 H 0.052 0.948 50 H 0.076 0.924 51 H 0.050 0.950 52 H 0.055 0.945 53 H 0.048 0.952 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 2.091 -27.529 -6.513 28.366 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 -0.210 4.210 2 C -0.153 4.153 3 C -0.175 4.175 4 C 0.045 3.955 5 H 0.123 0.877 6 N -0.390 5.390 7 C 0.408 3.592 8 N -0.441 5.441 9 O -0.433 6.433 10 C 0.278 3.722 11 O -0.379 6.379 12 N -0.376 5.376 13 C 0.063 3.937 14 H 0.097 0.903 15 C -0.183 4.183 16 C 0.003 3.997 17 N -0.326 5.326 18 C -0.385 4.385 19 H 0.103 0.897 20 C -0.174 4.174 21 N -0.552 5.552 22 Si 0.711 3.289 23 H -0.216 1.216 24 H -0.233 1.233 25 H -0.196 1.196 26 C 0.036 3.964 27 C -0.092 4.092 28 C -0.188 4.188 29 C -0.193 4.193 30 H 0.075 0.925 31 H 0.073 0.927 32 H 0.071 0.929 33 H 0.078 0.922 34 H 0.078 0.922 35 H 0.094 0.906 36 H 0.114 0.886 37 H 0.230 0.770 38 H 0.218 0.782 39 H 0.244 0.756 40 H 0.228 0.772 41 H 0.077 0.923 42 H 0.087 0.913 43 H 0.043 0.957 44 H 0.092 0.908 45 H 0.072 0.928 46 H 0.041 0.959 47 H 0.085 0.915 48 H 0.054 0.946 49 H 0.071 0.929 50 H 0.095 0.905 51 H 0.069 0.931 52 H 0.074 0.926 53 H 0.067 0.933 Dipole moment (debyes) X Y Z Total from point charges 1.667 -26.023 -7.064 27.017 hybrid contribution 0.474 -0.493 -0.989 1.203 sum 2.141 -26.516 -8.054 27.795 Atomic orbital electron populations 1.21754 0.95655 1.01396 1.02180 1.21450 0.96095 0.96145 1.01619 1.22035 0.92282 0.98068 1.05099 1.20715 0.95840 0.92660 0.86326 0.87743 1.44664 1.57423 1.32633 1.04266 1.15845 0.80486 0.82413 0.80498 1.42979 1.58916 1.34422 1.07812 1.90997 1.41510 1.25073 1.85729 1.20798 0.79119 0.88669 0.83632 1.90765 1.45623 1.65286 1.36233 1.46242 1.66638 1.15912 1.08854 1.20870 0.96507 0.79579 0.96704 0.90317 1.22435 0.98171 0.96609 1.01112 1.21295 0.96443 0.94183 0.87762 1.44353 1.39846 1.31264 1.17141 1.18886 1.37633 0.91735 0.90277 0.89668 1.25250 0.98751 0.96159 0.97274 1.69838 1.34371 1.14387 1.36616 0.86996 0.79057 0.76196 0.86673 1.21601 1.23256 1.19551 1.20931 0.90024 0.86369 0.99098 1.21347 0.95941 0.98072 0.93872 1.21789 0.98920 0.99950 0.98188 1.21784 0.98035 0.98156 1.01292 0.92543 0.92668 0.92891 0.92160 0.92194 0.90631 0.88577 0.76998 0.78180 0.75552 0.77228 0.92310 0.91299 0.95699 0.90840 0.92835 0.95942 0.91481 0.94598 0.92921 0.90474 0.93059 0.92582 0.93306 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 -0.15 -1.18 9.91 37.16 0.37 -0.81 16 2 C -0.12 -0.87 5.82 -26.73 -0.16 -1.02 16 3 C -0.14 -1.37 4.54 -26.73 -0.12 -1.49 16 4 C 0.15 1.51 3.01 -69.09 -0.21 1.30 16 5 H 0.10 0.64 8.14 -51.93 -0.42 0.22 16 6 N -0.73 -6.56 4.65 -59.81 -0.28 -6.84 16 7 C 0.71 8.66 7.59 -86.92 -0.66 8.00 16 8 N -0.87 -6.80 8.88 27.63 0.25 -6.56 16 9 O -0.56 -9.86 13.03 -18.21 -0.24 -10.10 16 10 C 0.49 7.10 6.78 -10.98 -0.07 7.02 16 11 O -0.51 -9.77 13.34 -17.93 -0.24 -10.01 16 12 N -0.72 -9.55 4.29 -53.77 -0.23 -9.78 16 13 C 0.17 2.78 1.57 -67.89 -0.11 2.68 16 14 H 0.08 1.50 7.58 -51.93 -0.39 1.11 16 15 C -0.14 -2.80 5.31 -26.61 -0.14 -2.94 16 16 C 0.13 2.99 4.20 -3.71 -0.02 2.97 16 17 N -0.60 -14.26 2.21 -172.32 -0.38 -14.64 16 18 C -0.26 -7.13 10.04 -15.06 -0.15 -7.28 16 19 H 0.09 2.50 8.06 -52.49 -0.42 2.07 16 20 C 0.02 0.72 5.23 -17.43 -0.09 0.62 16 21 N -0.91 -28.11 13.97 55.49 0.78 -27.33 16 22 Si 0.88 23.27 24.35 -169.99 -4.14 19.13 16 23 H -0.29 -7.51 6.62 56.52 0.37 -7.14 16 24 H -0.30 -8.15 7.11 56.52 0.40 -7.75 16 25 H -0.27 -7.10 6.63 56.52 0.37 -6.72 16 26 C 0.16 3.15 5.19 -3.71 -0.02 3.13 16 27 C -0.09 -1.39 0.56 -154.39 -0.09 -1.48 16 28 C -0.13 -1.97 7.83 37.16 0.29 -1.68 16 29 C -0.13 -1.67 8.31 37.16 0.31 -1.36 16 30 H 0.06 0.43 8.14 -51.93 -0.42 0.01 16 31 H 0.05 0.48 8.14 -51.93 -0.42 0.06 16 32 H 0.05 0.35 8.14 -51.93 -0.42 -0.08 16 33 H 0.06 0.45 7.75 -51.93 -0.40 0.05 16 34 H 0.06 0.35 8.14 -51.93 -0.42 -0.07 16 35 H 0.08 0.73 8.14 -51.93 -0.42 0.31 16 36 H 0.10 1.34 6.04 -51.93 -0.31 1.02 16 37 H 0.40 2.05 8.84 -40.82 -0.36 1.69 16 38 H 0.39 1.60 8.84 -40.82 -0.36 1.24 16 39 H 0.41 3.08 8.93 -40.82 -0.36 2.72 16 40 H 0.39 4.10 6.66 -40.82 -0.27 3.83 16 41 H 0.06 1.21 8.14 -51.93 -0.42 0.79 16 42 H 0.07 1.33 6.34 -51.93 -0.33 1.00 16 43 H 0.03 0.60 7.08 -51.93 -0.37 0.23 16 44 H 0.07 1.86 4.49 -51.93 -0.23 1.63 16 45 H 0.26 7.74 8.31 -40.82 -0.34 7.40 16 46 H 0.02 0.44 8.14 -51.93 -0.42 0.02 16 47 H 0.07 1.29 7.93 -51.93 -0.41 0.88 16 48 H 0.04 0.42 6.58 -51.93 -0.34 0.08 16 49 H 0.05 0.78 8.14 -51.93 -0.42 0.35 16 50 H 0.08 1.42 5.97 -51.93 -0.31 1.11 16 51 H 0.05 0.65 8.14 -51.93 -0.42 0.23 16 52 H 0.06 0.65 8.14 -51.93 -0.42 0.23 16 53 H 0.05 0.51 7.36 -51.93 -0.38 0.13 16 LS Contribution 397.30 15.07 5.99 5.99 Total: -1.00 -37.36 397.30 -8.47 -45.82 By element: Atomic # 1 Polarization: 15.75 SS G_CDS: -9.11 Total: 6.65 kcal Atomic # 6 Polarization: 8.53 SS G_CDS: -0.86 Total: 7.67 kcal Atomic # 7 Polarization: -65.28 SS G_CDS: 0.13 Total: -65.15 kcal Atomic # 8 Polarization: -19.63 SS G_CDS: -0.48 Total: -20.11 kcal Atomic # 14 Polarization: 23.27 SS G_CDS: -4.14 Total: 19.13 kcal Total LS contribution 5.99 Total: 5.99 kcal Total: -37.36 -8.47 -45.82 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. ZINC001717311296.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 -4.420 kcal (2) G-P(sol) polarization free energy of solvation -37.358 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -41.778 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.465 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -45.823 kcal (6) G-S(sol) free energy of system = (1) + (5) -50.244 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.88 seconds