Wall clock time and date at job start Sat Apr 11 2020 06:12:45 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 1.53002 * 1 3 3 N 1.46505 * 109.47093 * 2 1 4 4 C 1.34778 * 119.99829 * 179.97438 * 3 2 1 5 5 O 1.21587 * 119.99827 * 0.02562 * 4 3 2 6 6 N 1.34769 * 119.99773 * 180.02562 * 4 3 2 7 7 C 1.46503 * 120.00193 * 180.02562 * 6 4 3 8 8 C 1.53005 * 109.47097 * 59.99836 * 7 6 4 9 9 C 1.53003 * 109.46757 * 300.00248 * 7 6 4 10 10 C 1.50697 * 109.47492 * 180.02562 * 7 6 4 11 11 O 1.21279 * 120.00270 * 145.00025 * 10 7 6 12 12 N 1.34776 * 119.99614 * 324.99362 * 10 7 6 13 13 C 1.46506 * 119.99603 * 180.02562 * 12 10 7 14 14 H 1.08995 * 109.49832 * 35.06799 * 13 12 10 15 15 C 1.53035 * 109.49451 * 155.16915 * 13 12 10 16 16 C 1.53047 * 109.53566 * 181.31855 * 15 13 12 17 17 C 1.53195 * 109.30819 * 298.63039 * 16 15 13 18 18 H 1.08996 * 109.58674 * 294.84338 * 17 16 15 19 19 C 1.53002 * 109.58268 * 174.42602 * 17 16 15 20 20 N 1.46921 * 108.77733 * 54.63805 * 17 16 15 21 21 C 1.36942 * 120.63255 * 126.36147 * 20 17 16 22 22 H 1.07997 * 120.00046 * 330.19430 * 21 20 17 23 23 C 1.38811 * 119.99604 * 150.18437 * 21 20 17 24 24 N 1.31623 * 120.00316 * 344.50193 * 23 21 20 25 25 Si 1.86802 * 119.99696 * 164.50391 * 23 21 20 26 26 H 1.48499 * 109.47170 * 60.00304 * 25 23 21 27 27 H 1.48498 * 109.47163 * 180.02562 * 25 23 21 28 28 H 1.48502 * 109.47108 * 300.00193 * 25 23 21 29 29 C 1.46928 * 118.74012 * 306.39068 * 20 17 16 30 30 H 1.09006 * 109.46985 * 59.99467 * 1 2 3 31 31 H 1.08994 * 109.47046 * 179.97438 * 1 2 3 32 32 H 1.08997 * 109.46982 * 300.00254 * 1 2 3 33 33 H 1.08997 * 109.46982 * 239.99746 * 2 1 3 34 34 H 1.08999 * 109.46848 * 119.99678 * 2 1 3 35 35 H 0.96996 * 119.99669 * 0.02562 * 3 2 1 36 36 H 0.97005 * 120.00325 * 0.02562 * 6 4 3 37 37 H 1.09000 * 109.47255 * 59.99943 * 8 7 6 38 38 H 1.09009 * 109.46946 * 300.00480 * 8 7 6 39 39 H 1.08998 * 109.47172 * 180.02562 * 8 7 6 40 40 H 1.09002 * 109.46810 * 180.02562 * 9 7 6 41 41 H 1.08998 * 109.46935 * 299.99557 * 9 7 6 42 42 H 1.09000 * 109.47589 * 59.99638 * 9 7 6 43 43 H 0.96992 * 120.00413 * 0.02562 * 12 10 7 44 44 H 1.08997 * 109.46263 * 301.33050 * 15 13 12 45 45 H 1.08996 * 109.46369 * 61.29728 * 15 13 12 46 46 H 1.09001 * 109.49469 * 178.68300 * 16 15 13 47 47 H 1.08992 * 109.49940 * 58.58444 * 16 15 13 48 48 H 1.09001 * 109.46838 * 300.70699 * 19 17 16 49 49 H 1.09000 * 109.47724 * 60.70798 * 19 17 16 50 50 H 1.08996 * 109.46994 * 180.71607 * 19 17 16 51 51 H 0.97002 * 119.99550 * 179.97438 * 24 23 21 52 52 H 1.08999 * 109.58096 * 293.82440 * 29 20 17 53 53 H 1.08998 * 109.70728 * 173.46638 * 29 20 17 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 7 2.0184 1.3813 0.0000 4 6 3.3435 1.6275 0.0005 5 8 4.1335 0.7033 0.0005 6 7 3.7927 2.8981 0.0010 7 6 5.2330 3.1659 0.0010 8 6 5.8662 2.5505 -1.2485 9 6 5.8663 2.5494 1.2500 10 6 5.4673 4.6545 0.0023 11 8 6.4115 5.1193 0.6050 12 7 4.6275 5.4694 -0.6664 13 6 4.8556 6.9166 -0.6657 14 1 5.9271 7.1160 -0.6671 15 6 4.2185 7.5346 -1.9123 16 6 4.4844 9.0417 -1.9293 17 6 3.8470 9.6825 -0.6923 18 1 2.7630 9.5824 -0.7465 19 6 4.2256 11.1636 -0.6294 20 7 4.3460 8.9952 0.5065 21 6 4.9159 9.7036 1.5306 22 1 5.4374 10.6265 1.3240 23 6 4.8230 9.2355 2.8341 24 7 3.9493 8.2987 3.1363 25 14 5.9382 9.9352 4.1593 26 1 5.7016 11.3959 4.2850 27 1 5.6435 9.2723 5.4551 28 1 7.3565 9.6934 3.7914 29 6 4.2224 7.5333 0.5856 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3633 -1.0276 -0.0005 32 1 -0.3633 0.5139 0.8899 33 1 1.8933 -0.5139 -0.8899 34 1 1.8933 -0.5138 0.8900 35 1 1.3880 2.1185 0.0004 36 1 3.1623 3.6355 0.0014 37 1 5.4150 2.9896 -2.1383 38 1 5.6967 1.4737 -1.2490 39 1 6.9379 2.7493 -1.2483 40 1 6.9379 2.7490 1.2502 41 1 5.4152 2.9878 2.1402 42 1 5.6969 1.4726 1.2496 43 1 3.8721 5.0977 -1.1482 44 1 4.6498 7.0799 -2.8040 45 1 3.1434 7.3558 -1.8975 46 1 4.0506 9.4776 -2.8292 47 1 5.5594 9.2216 -1.9192 48 1 5.3103 11.2596 -0.5817 49 1 3.8547 11.6717 -1.5195 50 1 3.7817 11.6147 0.2580 51 1 3.8848 7.9714 4.0472 52 1 3.1690 7.2579 0.6357 53 1 4.7381 7.1683 1.4738 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 ZINC001132334898.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 06:12:45 Heat of formation + Delta-G solvation = -48.869922 kcal Electronic energy + Delta-G solvation = -31836.504556 eV Core-core repulsion = 27743.715890 eV Total energy + Delta-G solvation = -4092.788666 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.226 amu Computer time = 0.94 seconds Orbital eigenvalues (eV) -40.75864 -39.40259 -37.79350 -36.09246 -34.91679 -34.51297 -32.83146 -32.02470 -30.67755 -29.86324 -29.72818 -27.17342 -26.20963 -25.12685 -23.83022 -22.85724 -22.23728 -21.11232 -20.52604 -19.65287 -19.18737 -18.69995 -17.28945 -16.47485 -15.87353 -15.84370 -15.63023 -15.18634 -14.78033 -14.40294 -14.29284 -14.08062 -13.89817 -13.83084 -13.66818 -13.40289 -13.01931 -12.78383 -12.63138 -12.44837 -12.25240 -12.10695 -12.03358 -11.98153 -11.78830 -11.62831 -11.47550 -11.22117 -11.14373 -10.91464 -10.70021 -10.57328 -10.43262 -10.29598 -10.17639 -9.98942 -9.75370 -9.49525 -9.39640 -9.27381 -9.01559 -8.61602 -8.42999 -6.62650 -5.76073 -3.20618 2.40236 2.98162 3.13622 3.34060 3.42881 3.48460 3.50737 4.05917 4.52399 4.68899 4.72782 4.82067 5.03050 5.05734 5.09496 5.30230 5.34086 5.45847 5.50005 5.54123 5.62089 5.64228 5.66720 5.72989 5.76470 5.87691 5.93122 6.02603 6.06224 6.15018 6.23524 6.26634 6.33593 6.36135 6.40645 6.42335 6.45987 6.48655 6.59588 6.69892 6.73835 6.86550 7.01838 7.10161 7.27044 7.68764 7.77002 7.85279 7.88344 8.45779 8.48776 8.54038 9.23056 9.87175 10.42425 11.32166 Molecular weight = 340.23amu Principal moments of inertia in cm(-1) A = 0.011821 B = 0.003150 C = 0.002987 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2368.175280 B = 8885.718878 C = 9371.843742 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.166 4.166 2 C 0.134 3.866 3 N -0.749 5.749 4 C 0.710 3.290 5 O -0.585 6.585 6 N -0.739 5.739 7 C 0.181 3.819 8 C -0.157 4.157 9 C -0.150 4.150 10 C 0.514 3.486 11 O -0.515 6.515 12 N -0.718 5.718 13 C 0.115 3.885 14 H 0.083 0.917 15 C -0.116 4.116 16 C -0.126 4.126 17 C 0.165 3.835 18 H 0.025 0.975 19 C -0.137 4.137 20 N -0.582 5.582 21 C -0.255 4.255 22 H 0.069 0.931 23 C 0.008 3.992 24 N -0.900 5.900 25 Si 0.900 3.100 26 H -0.283 1.283 27 H -0.291 1.291 28 H -0.282 1.282 29 C 0.170 3.830 30 H 0.061 0.939 31 H 0.073 0.927 32 H 0.062 0.938 33 H 0.065 0.935 34 H 0.065 0.935 35 H 0.397 0.603 36 H 0.397 0.603 37 H 0.056 0.944 38 H 0.090 0.910 39 H 0.070 0.930 40 H 0.074 0.926 41 H 0.059 0.941 42 H 0.083 0.917 43 H 0.389 0.611 44 H 0.050 0.950 45 H 0.058 0.942 46 H 0.055 0.945 47 H 0.061 0.939 48 H 0.053 0.947 49 H 0.037 0.963 50 H 0.061 0.939 51 H 0.253 0.747 52 H 0.016 0.984 53 H 0.093 0.907 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -6.569 -12.654 -11.237 18.153 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 -0.224 4.224 2 C 0.010 3.990 3 N -0.405 5.405 4 C 0.410 3.590 5 O -0.463 6.463 6 N -0.397 5.397 7 C 0.091 3.909 8 C -0.216 4.216 9 C -0.209 4.209 10 C 0.297 3.703 11 O -0.389 6.389 12 N -0.370 5.370 13 C 0.010 3.990 14 H 0.101 0.899 15 C -0.154 4.154 16 C -0.166 4.166 17 C 0.059 3.941 18 H 0.042 0.958 19 C -0.194 4.194 20 N -0.306 5.306 21 C -0.384 4.384 22 H 0.087 0.913 23 C -0.191 4.191 24 N -0.544 5.544 25 Si 0.730 3.270 26 H -0.209 1.209 27 H -0.217 1.217 28 H -0.209 1.209 29 C 0.043 3.957 30 H 0.080 0.920 31 H 0.092 0.908 32 H 0.081 0.919 33 H 0.083 0.917 34 H 0.083 0.917 35 H 0.231 0.769 36 H 0.232 0.768 37 H 0.075 0.925 38 H 0.109 0.891 39 H 0.089 0.911 40 H 0.092 0.908 41 H 0.078 0.922 42 H 0.102 0.898 43 H 0.222 0.778 44 H 0.069 0.931 45 H 0.077 0.923 46 H 0.073 0.927 47 H 0.080 0.920 48 H 0.072 0.928 49 H 0.056 0.944 50 H 0.080 0.920 51 H 0.063 0.937 52 H 0.034 0.966 53 H 0.111 0.889 Dipole moment (debyes) X Y Z Total from point charges -5.157 -13.208 -10.603 17.705 hybrid contribution -0.590 0.855 0.512 1.158 sum -5.747 -12.353 -10.091 16.955 Atomic orbital electron populations 1.22018 0.94537 1.03153 1.02645 1.21126 0.93753 0.81830 1.02279 1.45224 1.05443 1.09163 1.80701 1.15850 0.82505 0.83180 0.77474 1.90860 1.54492 1.43318 1.57636 1.45323 1.07386 1.06533 1.80455 1.20436 0.79836 0.91868 0.98736 1.22183 1.00936 1.03558 0.94887 1.22063 1.01426 1.02248 0.95118 1.20330 0.83300 0.87529 0.79154 1.90779 1.30103 1.76044 1.41957 1.46178 1.29664 1.08232 1.52885 1.22057 1.01724 0.77005 0.98255 0.89898 1.21676 1.00213 0.96890 0.96621 1.22053 1.01507 0.94100 0.98960 1.20487 0.94961 0.91627 0.87046 0.95779 1.21800 1.01439 0.95941 1.00221 1.43996 1.69318 1.00907 1.16361 1.19082 1.27374 1.06791 0.85158 0.91305 1.25072 0.97640 0.99170 0.97225 1.69986 1.34182 1.31565 1.18685 0.86406 0.81070 0.78345 0.81160 1.20938 1.21670 1.20883 1.21041 0.96822 0.83247 0.94578 0.91980 0.90786 0.91873 0.91696 0.91663 0.76948 0.76774 0.92456 0.89118 0.91142 0.90751 0.92214 0.89775 0.77753 0.93083 0.92342 0.92675 0.92045 0.92800 0.94358 0.91960 0.93702 0.96625 0.88910 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 16. 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 -0.17 -0.86 10.03 37.16 0.37 -0.48 16 2 C 0.13 1.06 6.39 -4.04 -0.03 1.03 16 3 N -0.75 -6.71 5.56 -65.22 -0.36 -7.07 16 4 C 0.71 8.69 7.98 -86.92 -0.69 8.00 16 5 O -0.58 -8.90 12.55 5.29 0.07 -8.84 16 6 N -0.74 -8.67 4.86 -53.50 -0.26 -8.93 16 7 C 0.18 2.53 0.98 -132.97 -0.13 2.40 16 8 C -0.16 -1.98 8.38 37.16 0.31 -1.66 16 9 C -0.15 -2.28 7.93 37.16 0.29 -1.98 16 10 C 0.51 8.71 6.62 -10.99 -0.07 8.64 16 11 O -0.52 -11.18 15.76 5.56 0.09 -11.10 16 12 N -0.72 -10.92 4.78 -53.69 -0.26 -11.17 16 13 C 0.11 2.12 2.60 -67.81 -0.18 1.94 16 14 H 0.08 1.78 7.58 -51.93 -0.39 1.39 16 15 C -0.12 -1.77 5.35 -26.69 -0.14 -1.91 16 16 C -0.13 -2.07 5.37 -26.61 -0.14 -2.22 16 17 C 0.17 3.28 3.50 -67.60 -0.24 3.05 16 18 H 0.02 0.50 8.14 -51.93 -0.42 0.07 16 19 C -0.14 -2.51 7.95 37.16 0.30 -2.21 16 20 N -0.58 -14.12 2.99 -164.77 -0.49 -14.61 16 21 C -0.25 -6.87 8.57 -15.06 -0.13 -6.99 16 22 H 0.07 1.81 6.24 -52.49 -0.33 1.49 16 23 C 0.01 0.22 4.94 -17.43 -0.09 0.14 16 24 N -0.90 -26.19 11.23 55.49 0.62 -25.56 16 25 Si 0.90 22.27 29.58 -169.99 -5.03 17.24 16 26 H -0.28 -6.82 7.11 56.52 0.40 -6.42 16 27 H -0.29 -7.27 7.11 56.52 0.40 -6.87 16 28 H -0.28 -7.05 7.11 56.52 0.40 -6.64 16 29 C 0.17 3.95 4.86 -3.71 -0.02 3.94 16 30 H 0.06 0.29 8.14 -51.93 -0.42 -0.13 16 31 H 0.07 0.31 8.14 -51.93 -0.42 -0.11 16 32 H 0.06 0.33 8.14 -51.93 -0.42 -0.10 16 33 H 0.06 0.54 8.14 -51.93 -0.42 0.12 16 34 H 0.07 0.58 8.14 -51.93 -0.42 0.16 16 35 H 0.40 2.66 8.49 -40.82 -0.35 2.31 16 36 H 0.40 4.06 7.25 -40.82 -0.30 3.76 16 37 H 0.06 0.65 8.14 -51.93 -0.42 0.22 16 38 H 0.09 1.21 6.17 -51.92 -0.32 0.89 16 39 H 0.07 0.88 8.14 -51.93 -0.42 0.46 16 40 H 0.07 1.14 7.87 -51.93 -0.41 0.73 16 41 H 0.06 0.97 8.14 -51.93 -0.42 0.55 16 42 H 0.08 1.27 6.16 -51.93 -0.32 0.95 16 43 H 0.39 4.58 7.35 -40.82 -0.30 4.28 16 44 H 0.05 0.68 8.14 -51.93 -0.42 0.26 16 45 H 0.06 0.84 8.14 -51.93 -0.42 0.41 16 46 H 0.05 0.76 8.14 -51.93 -0.42 0.34 16 47 H 0.06 1.06 8.14 -51.93 -0.42 0.64 16 48 H 0.05 1.01 7.44 -51.93 -0.39 0.62 16 49 H 0.04 0.58 8.14 -51.93 -0.42 0.15 16 50 H 0.06 1.24 7.63 -51.93 -0.40 0.85 16 51 H 0.25 7.24 8.31 -40.82 -0.34 6.90 16 52 H 0.02 0.38 8.14 -51.93 -0.42 -0.05 16 53 H 0.09 2.58 6.15 -51.93 -0.32 2.26 16 LS Contribution 408.83 15.07 6.16 6.16 Total: -1.00 -33.39 408.83 -9.33 -42.72 By element: Atomic # 1 Polarization: 18.78 SS G_CDS: -9.29 Total: 9.49 kcal Atomic # 6 Polarization: 12.25 SS G_CDS: -0.58 Total: 11.67 kcal Atomic # 7 Polarization: -66.60 SS G_CDS: -0.75 Total: -67.35 kcal Atomic # 8 Polarization: -20.08 SS G_CDS: 0.15 Total: -19.93 kcal Atomic # 14 Polarization: 22.27 SS G_CDS: -5.03 Total: 17.24 kcal Total LS contribution 6.16 Total: 6.16 kcal Total: -33.39 -9.33 -42.72 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. ZINC001132334898.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 -6.153 kcal (2) G-P(sol) polarization free energy of solvation -33.385 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -39.538 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.332 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -42.717 kcal (6) G-S(sol) free energy of system = (1) + (5) -48.870 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.94 seconds