Wall clock time and date at job start Tue Mar 31 2020 21:19:20 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 1.52995 * 1 3 3 C 1.52991 * 109.47363 * 2 1 4 4 H 1.08999 * 109.47287 * 57.54754 * 3 2 1 5 5 C 1.52998 * 109.47441 * 177.54903 * 3 2 1 6 6 C 1.50704 * 109.47567 * 184.99732 * 5 3 2 7 7 C 1.38245 * 119.97090 * 89.99744 * 6 5 3 8 8 C 1.38197 * 120.02412 * 179.97438 * 7 6 5 9 9 C 1.38453 * 119.97786 * 0.02562 * 8 7 6 10 10 F 1.35093 * 120.02901 * 179.97438 * 9 8 7 11 11 C 1.38460 * 119.94525 * 0.25912 * 9 8 7 12 12 C 1.38201 * 119.97674 * 359.46620 * 11 9 8 13 13 N 1.46908 * 109.47356 * 297.54797 * 3 2 1 14 14 C 1.46892 * 110.99859 * 304.94709 * 13 3 2 15 15 C 1.53005 * 109.47213 * 178.63431 * 14 13 3 16 16 H 1.08992 * 109.47064 * 305.00081 * 15 14 13 17 17 O 1.42905 * 109.46785 * 64.99925 * 15 14 13 18 18 C 1.52996 * 109.47238 * 184.99699 * 15 14 13 19 19 N 1.46898 * 109.46913 * 178.08935 * 18 15 14 20 20 C 1.46903 * 111.00012 * 163.79351 * 19 18 15 21 21 C 1.46901 * 110.99947 * 287.74763 * 19 18 15 22 22 C 1.50694 * 109.47137 * 170.00201 * 21 19 18 23 23 H 1.07996 * 120.00124 * 0.02562 * 22 21 19 24 24 C 1.37881 * 120.00174 * 179.97438 * 22 21 19 25 25 N 1.31512 * 120.00280 * 179.97438 * 24 22 21 26 26 Si 1.86800 * 119.99710 * 359.97438 * 24 22 21 27 27 H 1.48498 * 109.47129 * 90.00223 * 26 24 22 28 28 H 1.48500 * 109.46948 * 209.99705 * 26 24 22 29 29 H 1.48501 * 109.47368 * 330.00063 * 26 24 22 30 30 H 1.08993 * 109.47433 * 305.60059 * 1 2 3 31 31 H 1.09004 * 109.47170 * 65.60082 * 1 2 3 32 32 H 1.09000 * 109.47286 * 185.59548 * 1 2 3 33 33 H 1.09004 * 109.47199 * 239.99413 * 2 1 3 34 34 H 1.09004 * 109.46749 * 120.00080 * 2 1 3 35 35 H 1.09003 * 109.47064 * 65.00308 * 5 3 2 36 36 H 1.09002 * 109.47602 * 305.00239 * 5 3 2 37 37 H 1.07997 * 119.98955 * 359.97438 * 7 6 5 38 38 H 1.08003 * 120.01093 * 180.02562 * 8 7 6 39 39 H 1.08002 * 120.01408 * 179.72254 * 11 9 8 40 40 H 1.07997 * 119.99194 * 180.27525 * 12 11 9 41 41 H 1.00902 * 110.99206 * 68.89693 * 13 3 2 42 42 H 1.09001 * 109.47056 * 298.63824 * 14 13 3 43 43 H 1.09008 * 109.47262 * 58.63505 * 14 13 3 44 44 H 0.96702 * 113.99913 * 60.00018 * 17 15 14 45 45 H 1.08999 * 109.47032 * 298.08735 * 18 15 14 46 46 H 1.09003 * 109.46901 * 58.08956 * 18 15 14 47 47 H 1.09004 * 109.47099 * 65.38456 * 20 19 18 48 48 H 1.08995 * 109.47459 * 185.38545 * 20 19 18 49 49 H 1.08996 * 109.47081 * 305.38976 * 20 19 18 50 50 H 1.09001 * 109.47041 * 289.99972 * 21 19 18 51 51 H 1.09000 * 109.46970 * 49.99929 * 21 19 18 52 52 H 0.96998 * 120.00709 * 179.97438 * 25 24 22 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 1.5299 0.0000 0.0000 3 6 2.0400 1.4424 0.0000 4 1 1.6412 1.9688 0.8672 5 6 3.5687 1.4428 0.0617 6 6 4.0662 2.8600 0.1854 7 6 4.2459 3.4222 1.4355 8 6 4.7026 4.7215 1.5503 9 6 4.9795 5.4604 0.4127 10 9 5.4254 6.7308 0.5236 11 6 4.7934 4.8983 -0.8389 12 6 4.3421 3.5969 -0.9512 13 7 1.5993 2.1177 -1.2280 14 6 2.0200 1.3695 -2.4201 15 6 1.5148 2.0839 -3.6752 16 1 0.4356 2.2203 -3.6061 17 8 2.1500 3.3593 -3.7856 18 6 1.8444 1.2415 -4.9091 19 7 1.3191 1.9053 -6.1097 20 6 1.9289 1.3523 -7.3264 21 6 -0.1458 1.8105 -6.1652 22 6 -0.6655 2.7017 -7.2637 23 1 0.0234 3.2803 -7.8611 24 6 -2.0206 2.7777 -7.5067 25 7 -2.4743 3.5558 -8.4650 26 14 -3.2122 1.7753 -6.4748 27 1 -3.6317 2.5692 -5.2920 28 1 -4.4056 1.4328 -7.2895 29 1 -2.5467 0.5272 -6.0225 30 1 -0.3634 0.5982 0.8355 31 1 -0.3634 0.4245 -0.9359 32 1 -0.3634 -1.0228 0.1002 33 1 1.8933 -0.5139 -0.8900 34 1 1.8932 -0.5139 0.8900 35 1 3.9692 0.9955 -0.8481 36 1 3.8977 0.8655 0.9258 37 1 4.0295 2.8458 2.3228 38 1 4.8433 5.1603 2.5271 39 1 5.0048 5.4753 -1.7271 40 1 4.2011 3.1567 -1.9273 41 1 0.6003 2.2595 -1.2239 42 1 3.1081 1.3121 -2.4478 43 1 1.6039 0.3627 -2.3828 44 1 3.1137 3.3143 -3.8512 45 1 2.9255 1.1337 -4.9972 46 1 1.3879 0.2567 -4.8092 47 1 1.6295 0.3105 -7.4417 48 1 1.5953 1.9241 -8.1923 49 1 3.0144 1.4117 -7.2480 50 1 -0.4358 0.7792 -6.3663 51 1 -0.5668 2.1269 -5.2109 52 1 -3.4275 3.6090 -8.6363 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) F: (AM1): M.J.S. DEWAR AND E. G. ZOEBISCH, THEOCHEM, 180, 1 (1988). 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 ZINC001647557743.mol2 52 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 21:19:20 Heat of formation + Delta-G solvation = -70.127072 kcal Electronic energy + Delta-G solvation = -30212.722092 eV Core-core repulsion = 26126.403164 eV Total energy + Delta-G solvation = -4086.318929 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 338.211 amu Computer time = 0.80 seconds Orbital eigenvalues (eV) -48.95095 -39.79613 -38.45856 -37.26374 -35.45493 -32.50405 -32.40488 -32.10554 -31.21183 -29.60411 -28.14514 -27.75255 -25.71961 -24.08482 -23.39079 -23.13801 -21.81352 -21.50249 -20.07164 -19.72849 -17.76458 -17.07985 -16.88935 -16.26383 -15.95200 -15.78876 -15.64534 -15.46204 -15.07979 -14.61205 -14.43103 -14.29687 -14.02195 -13.97376 -13.76573 -13.55147 -13.31547 -13.15180 -12.86106 -12.63099 -12.59737 -12.37060 -12.10096 -11.91728 -11.83706 -11.58407 -11.31322 -11.23748 -11.16374 -11.10631 -11.04026 -10.98082 -10.65347 -10.51395 -10.17537 -9.89351 -9.55671 -9.20472 -9.18238 -8.62150 -8.55161 -8.39545 -7.34547 -6.03348 -3.99934 1.05469 1.16340 3.27366 3.34385 3.34692 3.47972 3.91862 4.18553 4.41985 4.42544 4.50395 4.64548 4.72458 4.76332 4.80296 4.84020 4.91118 5.00377 5.09154 5.20469 5.25802 5.28936 5.32344 5.34435 5.42743 5.49818 5.52439 5.57082 5.61203 5.66575 5.70460 5.79964 5.88952 5.90516 5.96265 6.00266 6.02253 6.03086 6.16987 6.22748 6.36031 6.45238 6.65118 6.80746 6.83377 6.92441 6.97170 7.27432 7.60221 7.87726 8.03370 8.15351 8.67806 9.06273 9.58244 11.10078 Molecular weight = 338.21amu Principal moments of inertia in cm(-1) A = 0.011619 B = 0.002860 C = 0.002578 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2409.315963 B = 9787.290598 C =10857.585361 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.156 4.156 2 C -0.162 4.162 3 C 0.092 3.908 4 H 0.083 0.917 5 C -0.074 4.074 6 C -0.076 4.076 7 C -0.096 4.096 8 C -0.158 4.158 9 C 0.088 3.912 10 F -0.145 7.145 11 C -0.149 4.149 12 C -0.056 4.056 13 N -0.666 5.666 14 C 0.019 3.981 15 C 0.117 3.883 16 H 0.096 0.904 17 O -0.526 6.526 18 C 0.023 3.977 19 N -0.520 5.520 20 C 0.039 3.961 21 C 0.163 3.837 22 C -0.505 4.505 23 H 0.081 0.919 24 C 0.068 3.932 25 N -0.900 5.900 26 Si 0.873 3.127 27 H -0.275 1.275 28 H -0.286 1.286 29 H -0.270 1.270 30 H 0.056 0.944 31 H 0.055 0.945 32 H 0.055 0.945 33 H 0.068 0.932 34 H 0.065 0.935 35 H 0.074 0.926 36 H 0.073 0.927 37 H 0.125 0.875 38 H 0.129 0.871 39 H 0.134 0.866 40 H 0.131 0.869 41 H 0.345 0.655 42 H 0.074 0.926 43 H 0.041 0.959 44 H 0.358 0.642 45 H 0.064 0.936 46 H 0.028 0.972 47 H 0.010 0.990 48 H 0.079 0.921 49 H 0.046 0.954 50 H -0.015 1.015 51 H 0.023 0.977 52 H 0.263 0.737 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 14.685 -7.002 21.874 27.261 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 -0.213 4.213 2 C -0.201 4.201 3 C -0.019 4.019 4 H 0.101 0.899 5 C -0.111 4.111 6 C -0.076 4.076 7 C -0.114 4.114 8 C -0.177 4.177 9 C 0.069 3.931 10 F -0.124 7.124 11 C -0.168 4.168 12 C -0.074 4.074 13 N -0.297 5.297 14 C -0.110 4.110 15 C 0.056 3.944 16 H 0.114 0.886 17 O -0.329 6.329 18 C -0.107 4.107 19 N -0.244 5.244 20 C -0.109 4.109 21 C 0.036 3.964 22 C -0.543 4.543 23 H 0.099 0.901 24 C -0.134 4.134 25 N -0.540 5.540 26 Si 0.700 3.300 27 H -0.201 1.201 28 H -0.212 1.212 29 H -0.195 1.195 30 H 0.075 0.925 31 H 0.074 0.926 32 H 0.074 0.926 33 H 0.086 0.914 34 H 0.084 0.916 35 H 0.092 0.908 36 H 0.092 0.908 37 H 0.143 0.857 38 H 0.147 0.853 39 H 0.152 0.848 40 H 0.148 0.852 41 H 0.164 0.836 42 H 0.092 0.908 43 H 0.059 0.941 44 H 0.203 0.797 45 H 0.082 0.918 46 H 0.046 0.954 47 H 0.028 0.972 48 H 0.098 0.902 49 H 0.065 0.935 50 H 0.002 0.998 51 H 0.041 0.959 52 H 0.073 0.927 Dipole moment (debyes) X Y Z Total from point charges 14.560 -5.744 21.818 26.851 hybrid contribution -1.093 -2.162 0.455 2.465 sum 13.466 -7.906 22.273 27.201 Atomic orbital electron populations 1.21781 0.95519 1.01954 1.02047 1.22290 0.96572 0.98688 1.02585 1.21625 0.94155 0.92177 0.93894 0.89928 1.20684 0.94903 0.92843 1.02702 1.19708 0.98672 0.96416 0.92797 1.20822 0.98936 0.94270 0.97333 1.21028 1.03587 0.95441 0.97630 1.17736 1.00896 0.79739 0.94738 1.91482 1.87004 1.36888 1.97006 1.21193 1.02628 0.96800 0.96203 1.20839 0.95084 0.92666 0.98790 1.60520 1.20121 1.48770 1.00286 1.22845 1.00930 0.95913 0.91359 1.21872 0.98338 0.83994 0.90158 0.88598 1.86740 1.22574 1.27481 1.96057 1.22749 0.99442 0.95399 0.93112 1.61857 1.08286 1.54274 0.99945 1.22231 0.97184 0.96926 0.94586 1.20211 0.83237 0.95094 0.97808 1.21018 0.92578 1.25173 1.15559 0.90111 1.24897 0.98093 0.95236 0.95131 1.69887 1.14047 1.38749 1.31293 0.86897 0.81129 0.81089 0.80838 1.20083 1.21207 1.19488 0.92492 0.92619 0.92603 0.91368 0.91636 0.90756 0.90803 0.85658 0.85325 0.84821 0.85161 0.83570 0.90815 0.94147 0.79692 0.91755 0.95424 0.97177 0.90210 0.93544 0.99784 0.95862 0.92697 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 -0.16 -1.23 9.49 37.15 0.35 -0.88 16 2 C -0.16 -1.17 4.99 -26.74 -0.13 -1.30 16 3 C 0.09 0.71 2.55 -67.71 -0.17 0.54 16 4 H 0.08 0.67 8.14 -51.93 -0.42 0.25 16 5 C -0.07 -0.53 4.72 -27.88 -0.13 -0.66 16 6 C -0.08 -0.66 4.95 -104.62 -0.52 -1.18 16 7 C -0.10 -0.80 9.70 -39.59 -0.38 -1.19 16 8 C -0.16 -1.49 10.03 -39.52 -0.40 -1.88 16 9 C 0.09 0.97 7.30 -39.42 -0.29 0.69 16 10 F -0.15 -1.76 17.27 2.25 0.04 -1.72 16 11 C -0.15 -1.58 10.03 -39.51 -0.40 -1.98 16 12 C -0.06 -0.54 9.30 -39.59 -0.37 -0.91 16 13 N -0.67 -6.55 5.63 -106.73 -0.60 -7.15 16 14 C 0.02 0.20 4.46 -3.83 -0.02 0.18 16 15 C 0.12 1.66 3.16 -26.73 -0.08 1.58 16 16 H 0.10 1.63 6.55 -51.93 -0.34 1.29 16 17 O -0.53 -8.15 13.19 -35.23 -0.46 -8.61 16 18 C 0.02 0.35 4.63 -3.83 -0.02 0.34 16 19 N -0.52 -10.63 4.61 -244.38 -1.13 -11.75 16 20 C 0.04 0.74 9.32 60.07 0.56 1.30 16 21 C 0.16 3.93 3.64 -4.98 -0.02 3.91 16 22 C -0.50 -14.48 9.09 -34.44 -0.31 -14.79 16 23 H 0.08 2.53 7.34 -52.49 -0.39 2.15 16 24 C 0.07 1.98 5.47 -17.82 -0.10 1.88 16 25 N -0.90 -27.85 13.96 55.43 0.77 -27.08 16 26 Si 0.87 21.54 27.47 -169.99 -4.67 16.87 16 27 H -0.28 -6.67 7.11 56.52 0.40 -6.27 16 28 H -0.29 -7.00 7.11 56.52 0.40 -6.59 16 29 H -0.27 -6.38 6.54 56.52 0.37 -6.01 16 30 H 0.06 0.43 8.14 -51.93 -0.42 0.00 16 31 H 0.05 0.50 7.23 -51.93 -0.38 0.13 16 32 H 0.05 0.43 8.14 -51.93 -0.42 0.00 16 33 H 0.07 0.53 6.16 -51.93 -0.32 0.21 16 34 H 0.06 0.41 8.14 -51.93 -0.42 -0.01 16 35 H 0.07 0.53 6.27 -51.93 -0.33 0.21 16 36 H 0.07 0.43 8.09 -51.93 -0.42 0.01 16 37 H 0.13 0.77 8.06 -52.49 -0.42 0.35 16 38 H 0.13 0.99 8.06 -52.48 -0.42 0.57 16 39 H 0.13 1.30 8.06 -52.49 -0.42 0.88 16 40 H 0.13 1.17 6.57 -52.49 -0.34 0.82 16 41 H 0.34 3.69 7.57 -39.29 -0.30 3.40 16 42 H 0.07 0.66 5.68 -51.93 -0.30 0.36 16 43 H 0.04 0.40 6.09 -51.92 -0.32 0.09 16 44 H 0.36 4.23 8.35 45.56 0.38 4.62 16 45 H 0.06 0.84 7.87 -51.93 -0.41 0.43 16 46 H 0.03 0.43 8.05 -51.93 -0.42 0.01 16 47 H 0.01 0.18 8.13 -51.93 -0.42 -0.24 16 48 H 0.08 1.68 6.90 -51.93 -0.36 1.32 16 49 H 0.05 0.73 7.97 -51.93 -0.41 0.31 16 50 H -0.02 -0.38 7.17 -51.93 -0.37 -0.75 16 51 H 0.02 0.57 5.82 -51.93 -0.30 0.26 16 52 H 0.26 7.61 8.31 -40.82 -0.34 7.27 16 LS Contribution 408.56 15.07 6.16 6.16 Total: -1.00 -32.40 408.56 -10.18 -42.57 By element: Atomic # 1 Polarization: 12.94 SS G_CDS: -7.86 Total: 5.08 kcal Atomic # 6 Polarization: -11.94 SS G_CDS: -2.42 Total: -14.36 kcal Atomic # 7 Polarization: -45.03 SS G_CDS: -0.95 Total: -45.98 kcal Atomic # 8 Polarization: -8.15 SS G_CDS: -0.46 Total: -8.61 kcal Atomic # 9 Polarization: -1.76 SS G_CDS: 0.04 Total: -1.72 kcal Atomic # 14 Polarization: 21.54 SS G_CDS: -4.67 Total: 16.87 kcal Total LS contribution 6.16 Total: 6.16 kcal Total: -32.40 -10.18 -42.57 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. ZINC001647557743.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 -27.554 kcal (2) G-P(sol) polarization free energy of solvation -32.398 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -59.952 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -10.175 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.573 kcal (6) G-S(sol) free energy of system = (1) + (5) -70.127 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.80 seconds