Wall clock time and date at job start Sat Apr 11 2020 06:09:56 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 1.52997 * 1 3 3 C 1.53003 * 110.36782 * 2 1 4 4 C 1.54381 * 110.32702 * 237.81278 * 2 1 3 5 5 N 1.48560 * 104.59337 * 264.95812 * 4 2 1 6 6 C 1.46899 * 111.00018 * 200.96079 * 5 4 2 7 7 C 1.53001 * 109.46734 * 294.30867 * 6 5 4 8 8 C 1.54262 * 110.03394 * 293.27860 * 7 6 5 9 9 C 1.54890 * 104.19598 * 217.10735 * 8 7 6 10 10 C 1.54886 * 102.74859 * 37.94437 * 9 8 7 11 11 C 1.53876 * 110.03022 * 176.11250 * 7 6 5 12 12 C 1.48825 * 104.23864 * 320.49190 * 5 4 2 13 13 C 1.54262 * 110.31831 * 122.17475 * 2 1 3 14 14 H 1.09002 * 110.32298 * 237.89147 * 13 2 1 15 15 N 1.46492 * 110.32888 * 0.02562 * 13 2 1 16 16 C 1.34778 * 120.00337 * 203.57289 * 15 13 2 17 17 O 1.21284 * 119.99755 * 359.97438 * 16 15 13 18 18 C 1.50698 * 120.00477 * 179.97438 * 16 15 13 19 19 S 1.80999 * 109.47541 * 180.02562 * 18 16 15 20 20 C 1.76195 * 99.99977 * 179.97438 * 19 18 16 21 21 H 1.07997 * 120.00075 * 0.02562 * 20 19 18 22 22 C 1.38803 * 119.99558 * 179.97438 * 20 19 18 23 23 N 1.31626 * 120.00517 * 0.02562 * 22 20 19 24 24 Si 1.86802 * 119.99779 * 179.97438 * 22 20 19 25 25 H 1.48506 * 109.47036 * 60.00055 * 24 22 20 26 26 H 1.48497 * 109.47349 * 180.02562 * 24 22 20 27 27 H 1.48499 * 109.47360 * 300.00340 * 24 22 20 28 28 H 1.08997 * 109.47817 * 297.82153 * 1 2 3 29 29 H 1.08997 * 109.47001 * 57.82764 * 1 2 3 30 30 H 1.09008 * 109.47124 * 177.82314 * 1 2 3 31 31 H 1.08996 * 109.47050 * 182.17889 * 3 2 1 32 32 H 1.08999 * 109.46529 * 302.17420 * 3 2 1 33 33 H 1.09000 * 109.47527 * 62.17514 * 3 2 1 34 34 H 1.09001 * 110.40870 * 23.73768 * 4 2 1 35 35 H 1.08997 * 110.40701 * 146.06090 * 4 2 1 36 36 H 1.09004 * 109.46959 * 54.30047 * 6 5 4 37 37 H 1.08991 * 109.47521 * 174.30727 * 6 5 4 38 38 H 1.09001 * 110.01874 * 54.72124 * 7 6 5 39 39 H 1.09006 * 110.48617 * 335.78338 * 8 7 6 40 40 H 1.08996 * 110.49052 * 98.42962 * 8 7 6 41 41 H 1.08997 * 110.75807 * 279.62305 * 9 8 7 42 42 H 1.09001 * 110.75280 * 156.25439 * 9 8 7 43 43 H 1.09003 * 110.48461 * 203.38013 * 10 9 8 44 44 H 1.08996 * 110.49228 * 80.73821 * 10 9 8 45 45 H 1.09005 * 110.03523 * 238.56668 * 11 7 6 46 46 H 1.08994 * 110.03327 * 359.94884 * 11 7 6 47 47 H 1.09001 * 110.45157 * 280.77998 * 12 5 4 48 48 H 1.09000 * 110.49662 * 158.24833 * 12 5 4 49 49 H 0.96999 * 120.00028 * 23.56882 * 15 13 2 50 50 H 1.08997 * 109.46936 * 59.99487 * 18 16 15 51 51 H 1.09008 * 109.46912 * 300.00321 * 18 16 15 52 52 H 0.96990 * 120.00363 * 179.97438 * 23 22 20 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 2.0625 1.4344 0.0000 4 6 2.0663 -0.7712 -1.2252 5 7 2.3148 -2.1468 -0.7222 6 6 3.2650 -2.8596 -1.5864 7 6 2.6375 -3.0756 -2.9650 8 6 1.4447 -4.0478 -2.8562 9 6 1.5229 -4.8917 -4.1526 10 6 3.0479 -5.0844 -4.3434 11 6 3.6569 -3.7348 -3.9106 12 6 2.8822 -1.9421 0.6383 13 6 2.0656 -0.7703 1.2245 14 1 2.7066 -0.1261 1.8263 15 7 0.9541 -1.2790 2.0319 16 6 1.1394 -1.5500 3.3390 17 8 2.2266 -1.3733 3.8468 18 6 -0.0041 -2.0728 4.1697 19 16 0.5565 -2.3359 5.8705 20 6 -0.9356 -2.9288 6.5962 21 1 -1.8266 -3.0284 5.9940 22 6 -0.9656 -3.2689 7.9415 23 7 0.1204 -3.1481 8.6754 24 14 -2.5477 -3.8969 8.7111 25 1 -2.9768 -5.1380 8.0176 26 1 -2.3175 -4.1872 10.1491 27 1 -3.6066 -2.8643 8.5784 28 1 -0.3634 0.4796 0.9088 29 1 -0.3633 0.5472 -0.8698 30 1 -0.3634 -1.0270 -0.0390 31 1 3.1516 1.4176 -0.0391 32 1 1.6759 1.9653 -0.8699 33 1 1.7393 1.9420 0.9088 34 1 1.3214 -0.7860 -2.0208 35 1 2.9930 -0.3215 -1.5815 36 1 4.1753 -2.2690 -1.6901 37 1 3.5068 -3.8249 -1.1419 38 1 2.3069 -2.1226 -3.3780 39 1 1.5512 -4.6857 -1.9787 40 1 0.5054 -3.4962 -2.8162 41 1 1.0940 -4.3477 -4.9942 42 1 1.0259 -5.8525 -4.0187 43 1 3.2786 -5.2893 -5.3889 44 1 3.4134 -5.8897 -3.7063 45 1 3.8204 -3.1020 -4.7831 46 1 4.5988 -3.8999 -3.3877 47 1 3.9373 -1.6759 0.5748 48 1 2.7510 -2.8380 1.2452 49 1 0.0847 -1.4207 1.6257 50 1 -0.3547 -3.0166 3.7522 51 1 -0.8184 -1.3481 4.1639 52 1 0.0993 -3.3854 9.6156 RHF calculation, no. of doubly occupied orbitals= 63 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). S: (AM1): M.J.S. DEWAR, Y.-C. YUAN, INORGANIC CHEM., 29, 589 (1990) 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 ZINC001485558921.mol2 52 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 06:09:56 Heat of formation + Delta-G solvation = -51.017782 kcal Electronic energy + Delta-G solvation = -27990.425010 eV Core-core repulsion = 24308.003325 eV Total energy + Delta-G solvation = -3682.421685 eV No. of doubly occupied orbitals = 63 Molecular weight (most abundant/longest-lived isotopes) = 340.193 amu Computer time = 0.96 seconds Orbital eigenvalues (eV) -40.54697 -38.86236 -37.95836 -34.84822 -33.21761 -32.40231 -30.76050 -29.48531 -28.91483 -27.95452 -27.03279 -26.29867 -25.44179 -23.54118 -21.66957 -20.86382 -20.09408 -19.85339 -19.13337 -17.79007 -16.63894 -16.54992 -16.19629 -15.54357 -15.15830 -15.00150 -14.77992 -14.67557 -14.28707 -14.01952 -13.73966 -13.61946 -13.57315 -13.40153 -12.93119 -12.78746 -12.64927 -12.43058 -12.26920 -12.05790 -11.81397 -11.64399 -11.41292 -11.25275 -11.21950 -11.08253 -11.02882 -11.01260 -11.00145 -10.86789 -10.81269 -10.80794 -10.71992 -10.56535 -9.79155 -9.32190 -9.03691 -8.78902 -8.64111 -8.20449 -6.46647 -6.18985 -3.89116 3.08854 3.15097 3.25318 3.29442 3.34285 3.72657 3.78866 4.19549 4.23315 4.35194 4.36084 4.41073 4.52560 4.70599 4.87883 5.05049 5.07753 5.09392 5.15992 5.19016 5.22209 5.25222 5.28046 5.32760 5.38949 5.40076 5.42120 5.48265 5.54700 5.55056 5.60141 5.63549 5.64992 5.69143 5.74159 5.78665 5.85257 5.85923 5.93575 5.96809 6.00240 6.01877 6.08247 6.10124 6.19222 6.20699 6.60128 6.79365 6.83491 7.61933 7.81782 8.37742 8.69399 9.26201 10.88381 Molecular weight = 340.19amu Principal moments of inertia in cm(-1) A = 0.014047 B = 0.002321 C = 0.002141 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1992.791727 B =12061.938099 C =13073.927915 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.140 4.140 2 C -0.075 4.075 3 C -0.139 4.139 4 C 0.042 3.958 5 N -0.504 5.504 6 C 0.051 3.949 7 C -0.087 4.087 8 C -0.105 4.105 9 C -0.129 4.129 10 C -0.124 4.124 11 C -0.121 4.121 12 C 0.022 3.978 13 C 0.154 3.846 14 H 0.095 0.905 15 N -0.726 5.726 16 C 0.531 3.469 17 O -0.521 6.521 18 C -0.153 4.153 19 S -0.060 6.060 20 C -0.535 4.535 21 H 0.072 0.928 22 C 0.073 3.927 23 N -0.868 5.868 24 Si 0.918 3.082 25 H -0.274 1.274 26 H -0.283 1.283 27 H -0.274 1.274 28 H 0.063 0.937 29 H 0.058 0.942 30 H 0.065 0.935 31 H 0.056 0.944 32 H 0.059 0.941 33 H 0.062 0.938 34 H 0.082 0.918 35 H 0.045 0.955 36 H 0.033 0.967 37 H 0.076 0.924 38 H 0.069 0.931 39 H 0.069 0.931 40 H 0.064 0.936 41 H 0.062 0.938 42 H 0.064 0.936 43 H 0.061 0.939 44 H 0.064 0.936 45 H 0.061 0.939 46 H 0.063 0.937 47 H 0.050 0.950 48 H 0.089 0.911 49 H 0.401 0.599 50 H 0.089 0.911 51 H 0.088 0.912 52 H 0.269 0.731 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 3.770 3.440 -28.507 28.961 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 -0.198 4.198 2 C -0.076 4.076 3 C -0.197 4.197 4 C -0.086 4.086 5 N -0.227 5.227 6 C -0.077 4.077 7 C -0.106 4.106 8 C -0.143 4.143 9 C -0.167 4.167 10 C -0.162 4.162 11 C -0.159 4.159 12 C -0.107 4.107 13 C 0.047 3.953 14 H 0.113 0.887 15 N -0.382 5.382 16 C 0.317 3.683 17 O -0.396 6.396 18 C -0.303 4.303 19 S 0.166 5.834 20 C -0.683 4.683 21 H 0.090 0.910 22 C -0.136 4.136 23 N -0.503 5.503 24 Si 0.744 3.256 25 H -0.199 1.199 26 H -0.208 1.208 27 H -0.200 1.200 28 H 0.082 0.918 29 H 0.077 0.923 30 H 0.084 0.916 31 H 0.075 0.925 32 H 0.078 0.922 33 H 0.081 0.919 34 H 0.100 0.900 35 H 0.063 0.937 36 H 0.051 0.949 37 H 0.095 0.905 38 H 0.088 0.912 39 H 0.088 0.912 40 H 0.083 0.917 41 H 0.081 0.919 42 H 0.082 0.918 43 H 0.080 0.920 44 H 0.083 0.917 45 H 0.080 0.920 46 H 0.082 0.918 47 H 0.068 0.932 48 H 0.107 0.893 49 H 0.239 0.761 50 H 0.107 0.893 51 H 0.106 0.894 52 H 0.078 0.922 Dipole moment (debyes) X Y Z Total from point charges 5.187 3.381 -27.456 28.145 hybrid contribution -1.808 -0.256 -0.336 1.857 sum 3.379 3.126 -27.792 28.171 Atomic orbital electron populations 1.21810 0.93513 1.02265 1.02194 1.21554 0.96796 0.95216 0.94030 1.21884 1.00822 0.94615 1.02364 1.23246 0.99939 0.88707 0.96755 1.65479 1.40777 1.14537 1.01936 1.22440 0.93015 0.99134 0.93138 1.21760 0.95666 0.99174 0.93991 1.22269 0.97645 0.97052 0.97287 1.22549 0.95964 0.99991 0.98191 1.22345 0.95773 0.97309 1.00768 1.22190 0.98459 0.96519 0.98756 1.23639 0.96700 0.99946 0.90395 1.21604 0.88680 0.93900 0.91091 0.88672 1.46248 1.14078 1.68435 1.09449 1.20331 0.89768 0.76687 0.81487 1.90691 1.26377 1.50929 1.71556 1.23524 0.99561 1.03510 1.03748 1.85369 1.17289 1.85236 0.95462 1.22832 0.97222 1.50721 0.97563 0.91008 1.24987 0.97340 0.95183 0.96079 1.70003 1.27436 1.45347 1.07560 0.86234 0.82047 0.79256 0.78020 1.19943 1.20840 1.19956 0.91835 0.92286 0.91584 0.92491 0.92218 0.91906 0.89971 0.93704 0.94865 0.90548 0.91237 0.91209 0.91716 0.91875 0.91766 0.92037 0.91681 0.92019 0.91829 0.93221 0.89297 0.76124 0.89285 0.89368 0.92165 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 -0.14 -1.17 7.09 37.16 0.26 -0.91 16 2 C -0.07 -0.67 1.03 -153.12 -0.16 -0.83 16 3 C -0.14 -1.13 8.25 37.16 0.31 -0.82 16 4 C 0.04 0.35 4.68 -2.18 -0.01 0.34 16 5 N -0.50 -4.90 5.20 -229.74 -1.19 -6.09 16 6 C 0.05 0.44 3.88 -3.82 -0.01 0.43 16 7 C -0.09 -0.65 2.89 -89.50 -0.26 -0.91 16 8 C -0.10 -0.84 6.17 -25.07 -0.15 -1.00 16 9 C -0.13 -0.91 6.91 -24.74 -0.17 -1.08 16 10 C -0.12 -0.83 6.83 -25.07 -0.17 -1.00 16 11 C -0.12 -0.82 6.46 -25.61 -0.17 -0.98 16 12 C 0.02 0.26 6.23 -2.03 -0.01 0.25 16 13 C 0.15 1.86 3.01 -66.55 -0.20 1.66 16 14 H 0.10 1.33 7.17 -51.93 -0.37 0.96 16 15 N -0.73 -9.96 4.55 -52.47 -0.24 -10.20 16 16 C 0.53 9.95 7.85 -10.99 -0.09 9.86 16 17 O -0.52 -11.76 15.54 5.55 0.09 -11.68 16 18 C -0.15 -3.12 6.16 36.00 0.22 -2.90 16 19 S -0.06 -1.64 20.57 -107.50 -2.21 -3.86 16 20 C -0.54 -15.35 9.50 30.94 0.29 -15.06 16 21 H 0.07 1.95 7.80 -52.49 -0.41 1.54 16 22 C 0.07 2.11 5.49 -17.43 -0.10 2.01 16 23 N -0.87 -26.34 13.22 55.49 0.73 -25.60 16 24 Si 0.92 21.55 29.55 -169.99 -5.02 16.52 16 25 H -0.27 -6.28 7.11 56.52 0.40 -5.88 16 26 H -0.28 -6.52 7.11 56.52 0.40 -6.12 16 27 H -0.27 -6.27 7.11 56.52 0.40 -5.87 16 28 H 0.06 0.57 7.74 -51.93 -0.40 0.17 16 29 H 0.06 0.42 8.14 -51.93 -0.42 -0.01 16 30 H 0.07 0.57 6.99 -51.92 -0.36 0.20 16 31 H 0.06 0.45 8.10 -51.93 -0.42 0.03 16 32 H 0.06 0.40 8.14 -51.93 -0.42 -0.02 16 33 H 0.06 0.56 8.14 -51.93 -0.42 0.14 16 34 H 0.08 0.64 7.31 -51.93 -0.38 0.26 16 35 H 0.04 0.36 7.58 -51.93 -0.39 -0.03 16 36 H 0.03 0.28 7.97 -51.93 -0.41 -0.13 16 37 H 0.08 0.72 8.03 -51.93 -0.42 0.30 16 38 H 0.07 0.52 6.91 -51.93 -0.36 0.17 16 39 H 0.07 0.65 7.78 -51.93 -0.40 0.24 16 40 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 41 H 0.06 0.42 8.14 -51.93 -0.42 -0.01 16 42 H 0.06 0.44 8.14 -51.93 -0.42 0.02 16 43 H 0.06 0.37 8.14 -51.93 -0.42 -0.06 16 44 H 0.06 0.45 8.14 -51.93 -0.42 0.02 16 45 H 0.06 0.38 8.14 -51.93 -0.42 -0.04 16 46 H 0.06 0.43 7.67 -51.93 -0.40 0.03 16 47 H 0.05 0.57 7.99 -51.93 -0.41 0.15 16 48 H 0.09 1.26 8.05 -51.93 -0.42 0.84 16 49 H 0.40 4.68 5.85 -40.82 -0.24 4.44 16 50 H 0.09 1.70 8.14 -51.92 -0.42 1.28 16 51 H 0.09 1.66 8.14 -51.91 -0.42 1.24 16 52 H 0.27 7.59 8.31 -40.82 -0.34 7.25 16 LS Contribution 413.16 15.07 6.23 6.23 Total: -1.00 -32.75 413.16 -11.62 -44.37 By element: Atomic # 1 Polarization: 10.83 SS G_CDS: -9.59 Total: 1.24 kcal Atomic # 6 Polarization: -10.52 SS G_CDS: -0.41 Total: -10.93 kcal Atomic # 7 Polarization: -41.19 SS G_CDS: -0.70 Total: -41.89 kcal Atomic # 8 Polarization: -11.76 SS G_CDS: 0.09 Total: -11.68 kcal Atomic # 14 Polarization: 21.55 SS G_CDS: -5.02 Total: 16.52 kcal Atomic # 16 Polarization: -1.64 SS G_CDS: -2.21 Total: -3.86 kcal Total LS contribution 6.23 Total: 6.23 kcal Total: -32.75 -11.62 -44.37 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. ZINC001485558921.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 -6.644 kcal (2) G-P(sol) polarization free energy of solvation -32.750 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -39.394 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.624 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.374 kcal (6) G-S(sol) free energy of system = (1) + (5) -51.018 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.96 seconds