Wall clock time and date at job start Sat Apr 11 2020 06:09:43 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 1.52993 * 109.46770 * 2 1 4 4 N 1.46907 * 109.46928 * 179.97438 * 3 2 1 5 5 C 1.46850 * 110.99892 * 75.67976 * 4 3 2 6 6 C 1.53032 * 109.52166 * 185.84111 * 5 4 3 7 7 C 1.53121 * 109.27845 * 300.81842 * 6 5 4 8 8 C 1.53113 * 109.15990 * 57.65436 * 7 6 5 9 9 C 1.46930 * 110.98684 * 199.90701 * 4 3 2 10 10 H 1.08998 * 109.45121 * 294.16068 * 9 4 3 11 11 C 1.50697 * 109.51736 * 54.15687 * 9 4 3 12 12 O 1.20833 * 119.99930 * 28.77089 * 11 9 4 13 13 O 1.34227 * 120.00114 * 208.76458 * 11 9 4 14 14 C 1.45200 * 116.99908 * 179.97438 * 13 11 9 15 15 H 1.08994 * 109.47166 * 330.00206 * 14 13 11 16 16 C 1.53000 * 109.47078 * 90.00820 * 14 13 11 17 17 C 1.50710 * 109.46947 * 210.00254 * 14 13 11 18 18 O 1.21279 * 119.99675 * 0.02562 * 17 14 13 19 19 N 1.34771 * 119.99487 * 180.02562 * 17 14 13 20 20 C 1.46497 * 120.00372 * 0.02562 * 19 17 14 21 21 C 1.46507 * 119.99806 * 179.97438 * 19 17 14 22 22 C 1.50695 * 109.46944 * 89.99965 * 21 19 17 23 23 H 1.08000 * 120.00298 * 0.02562 * 22 21 19 24 24 C 1.37871 * 120.00086 * 179.97438 * 22 21 19 25 25 N 1.31523 * 120.00337 * 180.02562 * 24 22 21 26 26 Si 1.86799 * 120.00003 * 0.02562 * 24 22 21 27 27 H 1.48502 * 109.47075 * 89.99817 * 26 24 22 28 28 H 1.48507 * 109.47030 * 209.99927 * 26 24 22 29 29 H 1.48500 * 109.46893 * 329.99448 * 26 24 22 30 30 H 1.09000 * 109.47392 * 59.99771 * 1 2 3 31 31 H 1.09007 * 109.46756 * 180.02562 * 1 2 3 32 32 H 1.09005 * 109.46981 * 299.99724 * 1 2 3 33 33 H 1.08997 * 109.46655 * 240.00165 * 2 1 3 34 34 H 1.09001 * 109.46903 * 120.00038 * 2 1 3 35 35 H 1.08997 * 109.47397 * 60.00619 * 3 2 1 36 36 H 1.09001 * 109.47439 * 299.99709 * 3 2 1 37 37 H 1.08999 * 109.46230 * 65.81888 * 5 4 3 38 38 H 1.09000 * 109.45886 * 305.86027 * 5 4 3 39 39 H 1.09000 * 109.50100 * 180.87659 * 6 5 4 40 40 H 1.08995 * 109.50735 * 60.76082 * 6 5 4 41 41 H 1.09005 * 109.52159 * 297.75190 * 7 6 5 42 42 H 1.09002 * 109.52361 * 177.56630 * 7 6 5 43 43 H 1.09000 * 109.50391 * 62.28985 * 8 7 6 44 44 H 1.08999 * 109.50375 * 182.36468 * 8 7 6 45 45 H 1.09004 * 109.46280 * 299.99589 * 16 14 13 46 46 H 1.09000 * 109.47121 * 59.99214 * 16 14 13 47 47 H 1.08995 * 109.47226 * 179.97438 * 16 14 13 48 48 H 1.09006 * 109.47298 * 90.00294 * 20 19 17 49 49 H 1.09007 * 109.46881 * 209.99492 * 20 19 17 50 50 H 1.09002 * 109.47502 * 329.99857 * 20 19 17 51 51 H 1.09000 * 109.47338 * 210.00127 * 21 19 17 52 52 H 1.08998 * 109.46854 * 330.00641 * 21 19 17 53 53 H 0.96999 * 120.00178 * 180.02562 * 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 1.5300 0.0000 0.0000 3 6 2.0399 1.4425 0.0000 4 7 3.5090 1.4425 0.0006 5 6 4.0358 1.1032 -1.3275 6 6 5.5586 0.9701 -1.2549 7 6 6.1591 2.2925 -0.7696 8 6 5.5578 2.6473 0.5931 9 6 4.0350 2.7324 0.4677 10 1 3.7725 3.5119 -0.2475 11 6 3.4382 3.0627 1.8115 12 8 3.1029 2.1740 2.5585 13 8 3.2792 4.3439 2.1787 14 6 2.6974 4.5874 3.4866 15 1 2.0192 3.7727 3.7400 16 6 3.8108 4.6684 4.5330 17 6 1.9348 5.8871 3.4630 18 8 1.8860 6.5431 2.4442 19 7 1.3070 6.3202 4.5742 20 6 1.3665 5.5280 5.8051 21 6 0.5661 7.5839 4.5515 22 6 -0.8628 7.3212 4.1513 23 1 -1.1868 6.3137 3.9358 24 6 -1.7568 8.3669 4.0612 25 7 -3.0041 8.1376 3.7123 26 14 -1.1968 10.1093 4.4346 27 1 -0.7046 10.7490 3.1880 28 1 -2.3380 10.8910 4.9749 29 1 -0.1025 10.0732 5.4378 30 1 -0.3634 0.5139 -0.8899 31 1 -0.3633 -1.0277 0.0005 32 1 -0.3633 0.5138 0.8901 33 1 1.8933 -0.5138 -0.8900 34 1 1.8933 -0.5138 0.8900 35 1 1.6767 1.9563 0.8900 36 1 1.6766 1.9563 -0.8900 37 1 3.7732 1.8903 -2.0343 38 1 3.6040 0.1589 -1.6590 39 1 5.9508 0.7336 -2.2440 40 1 5.8216 0.1739 -0.5587 41 1 5.9292 3.0815 -1.4858 42 1 7.2400 2.1887 -0.6751 43 1 5.8208 1.8774 1.3185 44 1 5.9500 3.6088 0.9246 45 1 4.3623 3.7284 4.5499 46 1 4.4891 5.4832 4.2795 47 1 3.3741 4.8517 5.5147 48 1 2.2307 5.8356 6.3938 49 1 0.4569 5.6877 6.3842 50 1 1.4560 4.4712 5.5531 51 1 0.5884 8.0360 5.5431 52 1 1.0260 8.2618 3.8325 53 1 -3.6329 8.8733 3.6486 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 ZINC001771612921.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 06:09:43 Heat of formation + Delta-G solvation = -114.614667 kcal Electronic energy + Delta-G solvation = -31487.606281 eV Core-core repulsion = 27359.673957 eV Total energy + Delta-G solvation = -4127.932324 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.70 seconds Orbital eigenvalues (eV) -41.05434 -39.55463 -38.56330 -36.31216 -35.20667 -35.08384 -32.91161 -32.26165 -31.87783 -31.20865 -28.30051 -26.77305 -26.37743 -25.05715 -24.05264 -23.68481 -22.23420 -21.10150 -20.83365 -19.90470 -18.90273 -17.99536 -16.98697 -16.92799 -16.30371 -16.15005 -15.83895 -15.34478 -15.14505 -14.86082 -14.82167 -14.41679 -13.96804 -13.82657 -13.71709 -13.70521 -13.43887 -13.26080 -13.00601 -12.71426 -12.46648 -12.38886 -12.25329 -12.13206 -11.83900 -11.82747 -11.65436 -11.54453 -11.34896 -11.30019 -11.23631 -11.07386 -10.98440 -10.80403 -10.65828 -10.55533 -10.48887 -10.21191 -10.16170 -9.58280 -9.04083 -8.62238 -8.61820 -7.82203 -6.11832 -4.11478 2.12451 2.35915 3.15837 3.26976 3.32805 3.34657 3.50631 3.76613 4.36501 4.41738 4.45076 4.57729 4.70444 4.74629 4.80802 4.89058 4.93173 4.96518 5.01576 5.05233 5.19974 5.21314 5.26023 5.30631 5.35304 5.41032 5.44393 5.55452 5.58091 5.59017 5.61611 5.66020 5.69783 5.74336 5.77576 5.81034 5.93544 5.94301 6.02121 6.11049 6.14958 6.19891 6.39212 6.62211 6.69231 6.78583 6.86803 7.21114 7.55534 7.76599 8.08379 8.41824 8.79728 8.91536 9.47461 11.01453 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.013668 B = 0.002823 C = 0.002616 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2048.106138 B = 9915.106750 C =10701.365416 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.153 4.153 2 C -0.111 4.111 3 C 0.046 3.954 4 N -0.519 5.519 5 C 0.056 3.944 6 C -0.119 4.119 7 C -0.119 4.119 8 C -0.107 4.107 9 C 0.098 3.902 10 H 0.076 0.924 11 C 0.464 3.536 12 O -0.488 6.488 13 O -0.327 6.327 14 C 0.072 3.928 15 H 0.107 0.893 16 C -0.175 4.175 17 C 0.511 3.489 18 O -0.519 6.519 19 N -0.591 5.591 20 C 0.075 3.925 21 C 0.217 3.783 22 C -0.532 4.532 23 H 0.074 0.926 24 C 0.073 3.927 25 N -0.896 5.896 26 Si 0.877 3.123 27 H -0.273 1.273 28 H -0.284 1.284 29 H -0.265 1.265 30 H 0.052 0.948 31 H 0.056 0.944 32 H 0.057 0.943 33 H 0.058 0.942 34 H 0.072 0.928 35 H 0.077 0.923 36 H 0.038 0.962 37 H 0.037 0.963 38 H 0.083 0.917 39 H 0.070 0.930 40 H 0.074 0.926 41 H 0.065 0.935 42 H 0.072 0.928 43 H 0.080 0.920 44 H 0.079 0.921 45 H 0.069 0.931 46 H 0.071 0.929 47 H 0.093 0.907 48 H 0.053 0.947 49 H 0.080 0.920 50 H 0.062 0.938 51 H 0.034 0.966 52 H 0.038 0.962 53 H 0.265 0.735 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 17.983 -15.550 -5.451 24.391 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 -0.211 4.211 2 C -0.149 4.149 3 C -0.082 4.082 4 N -0.246 5.246 5 C -0.071 4.071 6 C -0.157 4.157 7 C -0.156 4.156 8 C -0.145 4.145 9 C -0.012 4.012 10 H 0.094 0.906 11 C 0.305 3.695 12 O -0.374 6.374 13 O -0.242 6.242 14 C 0.013 3.987 15 H 0.125 0.875 16 C -0.232 4.232 17 C 0.296 3.704 18 O -0.394 6.394 19 N -0.325 5.325 20 C -0.068 4.068 21 C 0.097 3.903 22 C -0.571 4.571 23 H 0.093 0.907 24 C -0.130 4.130 25 N -0.534 5.534 26 Si 0.704 3.296 27 H -0.198 1.198 28 H -0.210 1.210 29 H -0.190 1.190 30 H 0.071 0.929 31 H 0.075 0.925 32 H 0.076 0.924 33 H 0.077 0.923 34 H 0.091 0.909 35 H 0.095 0.905 36 H 0.057 0.943 37 H 0.056 0.944 38 H 0.101 0.899 39 H 0.088 0.912 40 H 0.092 0.908 41 H 0.083 0.917 42 H 0.090 0.910 43 H 0.098 0.902 44 H 0.097 0.903 45 H 0.088 0.912 46 H 0.090 0.910 47 H 0.111 0.889 48 H 0.071 0.929 49 H 0.099 0.901 50 H 0.081 0.919 51 H 0.052 0.948 52 H 0.056 0.944 53 H 0.075 0.925 Dipole moment (debyes) X Y Z Total from point charges 17.808 -15.680 -5.436 24.342 hybrid contribution -0.407 1.457 -0.202 1.526 sum 17.401 -14.223 -5.638 23.171 Atomic orbital electron populations 1.21756 0.95523 1.01715 1.02142 1.21409 0.95317 0.95676 1.02450 1.22332 0.86013 0.98391 1.01444 1.61769 1.08206 1.28190 1.26403 1.22184 0.95628 1.01068 0.88205 1.21632 0.94265 0.98171 1.01624 1.21574 1.00251 0.97695 0.96100 1.21567 0.90625 1.03159 0.99128 1.21214 0.96391 0.92436 0.91146 0.90618 1.23486 0.75807 0.81001 0.89229 1.90653 1.45720 1.47850 1.53205 1.86612 1.73429 1.28287 1.35904 1.22556 0.96432 0.98409 0.81291 0.87549 1.22402 0.98377 1.03512 0.98933 1.19795 0.80130 0.86211 0.84271 1.90703 1.61082 1.56839 1.30811 1.47718 1.50778 1.24331 1.09627 1.21920 1.02400 0.94988 0.87522 1.19723 0.92230 0.80869 0.97474 1.21314 0.92098 0.96485 1.47162 0.90740 1.24858 0.94716 0.98951 0.94446 1.69899 1.03602 1.32295 1.47631 0.86841 0.78539 0.84929 0.79323 1.19846 1.21003 1.19009 0.92853 0.92499 0.92395 0.92294 0.90921 0.90501 0.94326 0.94440 0.89851 0.91186 0.90773 0.91668 0.90979 0.90165 0.90279 0.91206 0.91043 0.88885 0.92881 0.90078 0.91941 0.94802 0.94370 0.92492 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 12. 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 -1.56 9.91 37.16 0.37 -1.19 16 2 C -0.11 -1.16 6.04 -26.73 -0.16 -1.32 16 3 C 0.05 0.56 4.60 -3.82 -0.02 0.54 16 4 N -0.52 -5.87 4.19 -228.02 -0.95 -6.83 16 5 C 0.06 0.48 5.29 -3.83 -0.02 0.46 16 6 C -0.12 -0.84 6.09 -26.65 -0.16 -1.00 16 7 C -0.12 -0.86 6.00 -26.61 -0.16 -1.02 16 8 C -0.11 -1.01 5.35 -26.66 -0.14 -1.15 16 9 C 0.10 1.17 2.35 -68.83 -0.16 1.01 16 10 H 0.08 0.92 8.14 -51.93 -0.42 0.49 16 11 C 0.46 6.96 5.74 36.00 0.21 7.17 16 12 O -0.49 -8.03 14.66 -18.76 -0.27 -8.31 16 13 O -0.33 -5.55 9.41 -45.90 -0.43 -5.98 16 14 C 0.07 1.19 2.18 -27.88 -0.06 1.13 16 15 H 0.11 1.75 6.42 -51.93 -0.33 1.41 16 16 C -0.18 -2.21 9.18 37.16 0.34 -1.87 16 17 C 0.51 10.80 7.16 -10.98 -0.08 10.72 16 18 O -0.52 -13.25 16.08 -14.10 -0.23 -13.48 16 19 N -0.59 -12.16 2.86 -182.95 -0.52 -12.68 16 20 C 0.08 1.13 8.80 59.85 0.53 1.65 16 21 C 0.22 5.28 4.23 -5.19 -0.02 5.25 16 22 C -0.53 -15.29 9.94 -34.44 -0.34 -15.64 16 23 H 0.07 2.35 8.06 -52.49 -0.42 1.93 16 24 C 0.07 2.12 5.47 -17.82 -0.10 2.02 16 25 N -0.90 -27.63 13.96 55.43 0.77 -26.85 16 26 Si 0.88 21.43 27.47 -169.99 -4.67 16.76 16 27 H -0.27 -6.72 7.11 56.52 0.40 -6.32 16 28 H -0.28 -6.81 7.11 56.52 0.40 -6.41 16 29 H -0.27 -6.05 6.54 56.52 0.37 -5.68 16 30 H 0.05 0.52 8.14 -51.93 -0.42 0.10 16 31 H 0.06 0.50 8.14 -51.93 -0.42 0.08 16 32 H 0.06 0.66 8.14 -51.93 -0.42 0.23 16 33 H 0.06 0.53 6.84 -51.93 -0.35 0.18 16 34 H 0.07 0.84 8.14 -51.93 -0.42 0.42 16 35 H 0.08 1.14 5.67 -51.93 -0.29 0.85 16 36 H 0.04 0.45 8.00 -51.93 -0.42 0.04 16 37 H 0.04 0.32 8.14 -51.93 -0.42 -0.10 16 38 H 0.08 0.64 6.71 -51.93 -0.35 0.30 16 39 H 0.07 0.39 8.14 -51.93 -0.42 -0.04 16 40 H 0.07 0.56 8.14 -51.93 -0.42 0.14 16 41 H 0.06 0.47 8.14 -51.93 -0.42 0.04 16 42 H 0.07 0.43 8.14 -51.93 -0.42 0.01 16 43 H 0.08 0.79 8.14 -51.93 -0.42 0.37 16 44 H 0.08 0.71 8.14 -51.93 -0.42 0.28 16 45 H 0.07 0.80 8.14 -51.93 -0.42 0.38 16 46 H 0.07 0.89 8.14 -51.93 -0.42 0.47 16 47 H 0.09 1.02 4.53 -51.93 -0.24 0.78 16 48 H 0.05 0.63 6.95 -51.93 -0.36 0.27 16 49 H 0.08 1.25 8.07 -51.92 -0.42 0.83 16 50 H 0.06 0.81 6.01 -51.93 -0.31 0.50 16 51 H 0.03 0.77 7.13 -51.93 -0.37 0.40 16 52 H 0.04 0.99 6.85 -51.93 -0.36 0.63 16 53 H 0.27 7.62 8.31 -40.82 -0.34 7.28 16 LS Contribution 411.25 15.07 6.20 6.20 Total: -1.00 -35.14 411.25 -9.40 -44.55 By element: Atomic # 1 Polarization: 9.17 SS G_CDS: -9.31 Total: -0.14 kcal Atomic # 6 Polarization: 6.76 SS G_CDS: 0.02 Total: 6.77 kcal Atomic # 7 Polarization: -45.65 SS G_CDS: -0.70 Total: -46.36 kcal Atomic # 8 Polarization: -26.84 SS G_CDS: -0.93 Total: -27.77 kcal Atomic # 14 Polarization: 21.43 SS G_CDS: -4.67 Total: 16.76 kcal Total LS contribution 6.20 Total: 6.20 kcal Total: -35.14 -9.40 -44.55 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. ZINC001771612921.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 -70.070 kcal (2) G-P(sol) polarization free energy of solvation -35.144 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -105.213 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -9.401 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -44.545 kcal (6) G-S(sol) free energy of system = (1) + (5) -114.615 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.70 seconds