Wall clock time and date at job start Tue Mar 31 2020 20:29:43 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 1.17400 * 1 3 3 C 1.47196 * 179.97438 * 2 1 4 4 N 1.46497 * 109.47255 * 297.87391 * 3 2 1 5 5 C 1.34776 * 120.00187 * 84.36464 * 4 3 2 6 6 O 1.21285 * 119.99585 * 355.18856 * 5 4 3 7 7 C 1.50699 * 120.00328 * 175.46283 * 5 4 3 8 8 H 1.09002 * 109.47047 * 315.77593 * 7 5 4 9 9 C 1.53005 * 109.47123 * 75.77485 * 7 5 4 10 10 C 1.52999 * 109.47151 * 195.77436 * 7 5 4 11 11 H 1.09002 * 109.47273 * 300.00018 * 10 7 5 12 12 C 1.53000 * 109.47017 * 60.00372 * 10 7 5 13 13 C 1.53002 * 109.47126 * 179.97438 * 10 7 5 14 14 O 1.42900 * 109.47160 * 174.99918 * 13 10 7 15 15 C 1.42904 * 113.99753 * 180.02562 * 14 13 10 16 16 C 1.46499 * 120.00057 * 264.36542 * 4 3 2 17 17 C 1.53038 * 109.46035 * 53.66787 * 16 4 3 18 18 C 1.53197 * 109.31248 * 178.61643 * 17 16 4 19 19 N 1.46924 * 108.77603 * 54.63628 * 18 17 16 20 20 C 1.36938 * 120.63027 * 126.41871 * 19 18 17 21 21 H 1.07998 * 119.99843 * 329.71647 * 20 19 18 22 22 C 1.38817 * 119.99897 * 149.72394 * 20 19 18 23 23 N 1.31618 * 119.99829 * 345.06160 * 22 20 19 24 24 Si 1.86796 * 119.99689 * 165.06235 * 22 20 19 25 25 H 1.48500 * 109.47273 * 359.97438 * 24 22 20 26 26 H 1.48498 * 109.46958 * 119.99840 * 24 22 20 27 27 H 1.48506 * 109.46905 * 239.99611 * 24 22 20 28 28 C 1.46932 * 118.73737 * 306.38784 * 19 18 17 29 29 C 1.53040 * 109.46013 * 293.59901 * 16 4 3 30 30 H 4.40636 * 5.51323 * 179.97438 * 4 1 2 31 31 H 1.09001 * 109.46814 * 177.87711 * 3 2 1 32 32 H 1.08997 * 109.47403 * 57.88072 * 3 2 1 33 33 H 1.08997 * 109.46654 * 303.32721 * 9 7 5 34 34 H 1.08994 * 109.46789 * 63.32238 * 9 7 5 35 35 H 1.08996 * 109.47044 * 183.32308 * 9 7 5 36 36 H 1.09000 * 109.46840 * 299.99728 * 12 10 7 37 37 H 1.08995 * 109.47742 * 59.99529 * 12 10 7 38 38 H 1.08996 * 109.46976 * 180.02562 * 12 10 7 39 39 H 1.08993 * 109.47272 * 295.00489 * 13 10 7 40 40 H 1.08999 * 109.46450 * 54.99959 * 13 10 7 41 41 H 1.08998 * 109.46897 * 180.02562 * 15 14 13 42 42 H 1.09002 * 109.47207 * 300.00372 * 15 14 13 43 43 H 1.09001 * 109.47031 * 60.00323 * 15 14 13 44 44 H 1.09001 * 109.46028 * 173.63075 * 16 4 3 45 45 H 1.09002 * 109.49947 * 298.56300 * 17 16 4 46 46 H 1.08997 * 109.49609 * 58.66622 * 17 16 4 47 47 H 1.09003 * 109.58281 * 294.84540 * 18 17 16 48 48 H 1.09001 * 109.70034 * 174.49569 * 18 17 16 49 49 H 0.97005 * 119.99396 * 180.02562 * 23 22 20 50 50 H 1.09001 * 109.58898 * 293.82598 * 28 19 18 51 51 H 1.08998 * 109.70005 * 173.46457 * 28 19 18 52 52 H 1.08994 * 109.50074 * 301.33759 * 29 16 4 53 53 H 1.09004 * 109.49826 * 61.43619 * 29 16 4 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 1.1740 0.0000 0.0000 3 6 2.6460 0.0007 0.0000 4 7 3.1346 -0.6449 1.2209 5 6 3.2518 -1.9865 1.2733 6 8 2.8713 -2.6652 0.3429 7 6 3.8499 -2.6437 2.4904 8 1 4.7404 -2.0958 2.7986 9 6 2.8273 -2.6365 3.6284 10 6 4.2300 -4.0874 2.1555 11 1 3.3395 -4.6354 1.8473 12 6 5.2527 -4.0947 1.0175 13 6 4.8378 -4.7545 3.3910 14 8 5.0854 -6.1344 3.1140 15 6 5.6557 -6.8538 4.2092 16 6 3.4959 0.1679 2.3850 17 6 2.3234 1.0797 2.7539 18 6 2.6920 1.9031 3.9921 19 7 3.9503 2.6146 3.7296 20 6 4.0337 3.9707 3.9003 21 1 3.1618 4.5890 3.7462 22 6 5.2391 4.5507 4.2712 23 7 6.2131 3.8007 4.7416 24 14 5.4788 6.3956 4.1028 25 1 4.2424 7.0072 3.5528 26 1 5.7701 6.9806 5.4363 27 1 6.6147 6.6654 3.1850 28 6 5.1177 1.8433 3.2810 29 6 4.7220 1.0206 2.0508 30 1 -1.0499 0.0001 0.0002 31 1 3.0088 1.0278 -0.0381 32 1 3.0096 -0.5455 -0.8703 33 1 2.5123 -1.6121 3.8272 34 1 1.9615 -3.2338 3.3427 35 1 3.2795 -3.0583 4.5260 36 1 4.8200 -3.6193 0.1372 37 1 6.1431 -3.5467 1.3256 38 1 5.5231 -5.1232 0.7786 39 1 5.7757 -4.2612 3.6459 40 1 4.1441 -4.6705 4.2275 41 1 5.8134 -7.8925 3.9189 42 1 6.6105 -6.4040 4.4815 43 1 4.9786 -6.8134 5.0624 44 1 3.7264 -0.4853 3.2266 45 1 2.1083 1.7504 1.9219 46 1 1.4442 0.4726 2.9691 47 1 2.8189 1.2395 4.8475 48 1 1.9017 2.6237 4.2027 49 1 7.0553 4.2061 5.0011 50 1 5.4425 1.1749 4.0784 51 1 5.9291 2.5229 3.0206 52 1 5.5498 0.3716 1.7656 53 1 4.4843 1.6919 1.2254 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) 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 ZINC001278157804.mol2 53 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 20:29:43 Heat of formation + Delta-G solvation = -10.722115 kcal Electronic energy + Delta-G solvation = -31114.133709 eV Core-core repulsion = 27181.162556 eV Total energy + Delta-G solvation = -3932.971153 eV No. of doubly occupied orbitals = 65 Molecular weight (most abundant/longest-lived isotopes) = 336.220 amu Computer time = 1.11 seconds Orbital eigenvalues (eV) -40.57508 -38.41793 -37.66207 -35.74261 -35.14001 -33.17049 -32.12977 -30.75987 -30.18146 -29.57816 -27.72593 -27.22591 -25.52139 -25.19069 -24.05393 -22.29174 -22.19230 -20.90801 -19.37865 -19.06019 -17.90095 -17.37956 -16.91915 -16.42786 -16.04025 -15.68945 -15.31618 -15.13843 -14.82972 -14.29996 -13.97137 -13.84461 -13.81768 -13.66121 -13.55797 -13.17596 -12.91346 -12.74355 -12.59400 -12.42489 -12.35188 -12.18065 -11.76682 -11.63250 -11.55250 -11.17614 -11.01392 -10.91365 -10.88374 -10.81127 -10.64228 -10.54490 -10.37726 -10.27286 -10.20404 -10.01912 -9.85758 -9.81951 -9.72698 -9.35697 -8.65372 -8.45000 -6.73929 -5.87050 -3.32077 2.52661 2.73241 2.98844 3.32072 3.40423 3.40821 3.42489 3.70374 4.43021 4.43375 4.51566 4.69867 4.80941 4.94832 5.05379 5.08705 5.15443 5.21678 5.27812 5.29782 5.33604 5.40190 5.41095 5.44352 5.47987 5.54064 5.59890 5.64281 5.69045 5.75549 5.77422 5.95091 6.02652 6.03228 6.06382 6.15137 6.26008 6.28121 6.37584 6.39703 6.44943 6.52544 6.66946 6.69734 6.86673 6.99395 7.23345 7.49149 7.57635 7.73359 7.73741 8.27774 8.38404 9.13680 9.75613 10.32663 11.21683 Molecular weight = 336.22amu Principal moments of inertia in cm(-1) A = 0.011683 B = 0.003356 C = 0.002831 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 2396.149362 B = 8341.064592 C = 9887.033396 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.203 4.203 2 C -0.186 4.186 3 C 0.223 3.777 4 N -0.601 5.601 5 C 0.525 3.475 6 O -0.540 6.540 7 C -0.106 4.106 8 H 0.099 0.901 9 C -0.153 4.153 10 C -0.068 4.068 11 H 0.087 0.913 12 C -0.148 4.148 13 C 0.063 3.937 14 O -0.389 6.389 15 C 0.031 3.969 16 C 0.136 3.864 17 C -0.138 4.138 18 C 0.148 3.852 19 N -0.591 5.591 20 C -0.254 4.254 21 H 0.065 0.935 22 C 0.005 3.995 23 N -0.902 5.902 24 Si 0.902 3.098 25 H -0.277 1.277 26 H -0.290 1.290 27 H -0.289 1.289 28 C 0.175 3.825 29 C -0.151 4.151 30 H 0.214 0.786 31 H 0.105 0.895 32 H 0.098 0.902 33 H 0.071 0.929 34 H 0.062 0.938 35 H 0.070 0.930 36 H 0.068 0.932 37 H 0.048 0.952 38 H 0.060 0.940 39 H 0.051 0.949 40 H 0.054 0.946 41 H 0.084 0.916 42 H 0.041 0.959 43 H 0.040 0.960 44 H 0.094 0.906 45 H 0.064 0.936 46 H 0.053 0.947 47 H 0.019 0.981 48 H 0.057 0.943 49 H 0.254 0.746 50 H 0.020 0.980 51 H 0.089 0.911 52 H 0.054 0.946 53 H 0.060 0.940 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -3.853 -15.077 -3.378 15.924 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 -0.221 4.221 2 C -0.188 4.188 3 C 0.101 3.899 4 N -0.332 5.332 5 C 0.314 3.686 6 O -0.417 6.417 7 C -0.127 4.127 8 H 0.117 0.883 9 C -0.210 4.210 10 C -0.087 4.087 11 H 0.105 0.895 12 C -0.205 4.205 13 C -0.014 4.014 14 O -0.308 6.308 15 C -0.065 4.065 16 C 0.033 3.967 17 C -0.178 4.178 18 C 0.021 3.979 19 N -0.314 5.314 20 C -0.384 4.384 21 H 0.083 0.917 22 C -0.193 4.193 23 N -0.546 5.546 24 Si 0.732 3.268 25 H -0.202 1.202 26 H -0.217 1.217 27 H -0.215 1.215 28 C 0.049 3.951 29 C -0.192 4.192 30 H 0.231 0.769 31 H 0.123 0.877 32 H 0.115 0.885 33 H 0.090 0.910 34 H 0.081 0.919 35 H 0.089 0.911 36 H 0.087 0.913 37 H 0.067 0.933 38 H 0.079 0.921 39 H 0.069 0.931 40 H 0.072 0.928 41 H 0.102 0.898 42 H 0.059 0.941 43 H 0.058 0.942 44 H 0.112 0.888 45 H 0.083 0.917 46 H 0.071 0.929 47 H 0.036 0.964 48 H 0.076 0.924 49 H 0.064 0.936 50 H 0.038 0.962 51 H 0.107 0.893 52 H 0.072 0.928 53 H 0.079 0.921 Dipole moment (debyes) X Y Z Total from point charges -3.903 -15.448 -3.979 16.423 hybrid contribution 0.080 1.166 0.348 1.220 sum -3.823 -14.282 -3.632 15.224 Atomic orbital electron populations 1.24804 0.95824 1.01477 1.00024 1.23533 0.94884 0.99802 1.00544 1.18211 0.83691 0.99600 0.88373 1.48307 1.64257 1.05902 1.14775 1.20502 0.77967 0.81738 0.88417 1.90659 1.49206 1.62833 1.38968 1.21299 1.00344 0.96525 0.94525 0.88302 1.21967 0.98558 1.03448 0.97012 1.20853 1.00086 0.93082 0.94677 0.89492 1.21856 0.97834 1.02294 0.98565 1.22695 0.99318 0.81873 0.97499 1.87870 1.83230 1.21796 1.37874 1.22727 0.97022 0.96922 0.89854 1.21516 0.96004 0.92556 0.86574 1.22385 0.96109 0.98151 1.01164 1.20879 0.90232 0.94169 0.92626 1.44052 1.06637 1.04050 1.76629 1.19195 0.96668 0.82031 1.40472 0.91729 1.25101 0.98061 0.97806 0.98377 1.70007 1.05314 1.34320 1.44971 0.86236 0.77824 0.85396 0.77388 1.20234 1.21666 1.21527 1.20731 0.90973 0.93155 0.90253 1.22657 0.95694 0.98540 1.02259 0.76950 0.87725 0.88452 0.91046 0.91903 0.91148 0.91315 0.93264 0.92074 0.93068 0.92833 0.89794 0.94082 0.94163 0.88818 0.91744 0.92858 0.96357 0.92423 0.93616 0.96160 0.89275 0.92782 0.92134 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 17. 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 -0.20 -2.68 19.25 29.55 0.57 -2.11 16 2 C -0.19 -2.72 12.61 -37.12 -0.47 -3.19 16 3 C 0.22 3.12 4.99 -6.83 -0.03 3.08 16 4 N -0.60 -8.61 2.36 -169.38 -0.40 -9.01 16 5 C 0.53 7.69 6.23 -10.99 -0.07 7.62 16 6 O -0.54 -9.27 14.15 5.55 0.08 -9.19 16 7 C -0.11 -1.28 1.45 -91.77 -0.13 -1.41 16 8 H 0.10 1.16 7.25 -51.93 -0.38 0.78 16 9 C -0.15 -1.67 8.33 37.16 0.31 -1.36 16 10 C -0.07 -0.82 1.83 -90.62 -0.17 -0.98 16 11 H 0.09 1.18 7.93 -51.93 -0.41 0.76 16 12 C -0.15 -1.84 8.78 37.16 0.33 -1.51 16 13 C 0.06 0.66 5.10 37.16 0.19 0.85 16 14 O -0.39 -4.44 10.24 -35.23 -0.36 -4.80 16 15 C 0.03 0.25 11.01 101.05 1.11 1.37 16 16 C 0.14 2.04 1.62 -67.89 -0.11 1.93 16 17 C -0.14 -2.22 4.69 -26.61 -0.12 -2.35 16 18 C 0.15 2.85 6.52 -3.71 -0.02 2.82 16 19 N -0.59 -13.66 2.98 -172.31 -0.51 -14.18 16 20 C -0.25 -6.60 9.57 -15.06 -0.14 -6.74 16 21 H 0.07 1.67 7.87 -52.49 -0.41 1.26 16 22 C 0.01 0.14 4.95 -17.43 -0.09 0.06 16 23 N -0.90 -24.88 11.23 55.49 0.62 -24.26 16 24 Si 0.90 20.90 29.58 -169.99 -5.03 15.87 16 25 H -0.28 -6.31 7.11 56.52 0.40 -5.91 16 26 H -0.29 -6.80 7.11 56.52 0.40 -6.40 16 27 H -0.29 -6.73 7.11 56.52 0.40 -6.33 16 28 C 0.18 3.78 5.27 -3.71 -0.02 3.76 16 29 C -0.15 -2.56 5.42 -26.61 -0.14 -2.70 16 30 H 0.21 2.04 7.80 -54.10 -0.42 1.61 16 31 H 0.10 1.39 6.57 -51.93 -0.34 1.05 16 32 H 0.10 1.32 7.67 -51.93 -0.40 0.93 16 33 H 0.07 0.83 6.09 -51.93 -0.32 0.52 16 34 H 0.06 0.70 8.14 -51.93 -0.42 0.27 16 35 H 0.07 0.65 6.50 -51.93 -0.34 0.31 16 36 H 0.07 0.96 6.12 -51.93 -0.32 0.65 16 37 H 0.05 0.57 8.14 -51.93 -0.42 0.14 16 38 H 0.06 0.75 7.82 -51.93 -0.41 0.34 16 39 H 0.05 0.51 8.14 -51.93 -0.42 0.08 16 40 H 0.05 0.50 6.25 -51.93 -0.32 0.18 16 41 H 0.08 0.56 8.14 -51.93 -0.42 0.14 16 42 H 0.04 0.30 8.14 -51.93 -0.42 -0.12 16 43 H 0.04 0.29 8.14 -51.93 -0.42 -0.14 16 44 H 0.09 1.36 4.29 -51.93 -0.22 1.13 16 45 H 0.06 1.10 7.12 -51.93 -0.37 0.73 16 46 H 0.05 0.80 8.14 -51.93 -0.42 0.38 16 47 H 0.02 0.35 8.14 -51.93 -0.42 -0.07 16 48 H 0.06 1.11 7.93 -51.93 -0.41 0.70 16 49 H 0.25 6.80 8.31 -40.82 -0.34 6.46 16 50 H 0.02 0.46 8.14 -51.93 -0.42 0.03 16 51 H 0.09 2.20 6.17 -51.93 -0.32 1.88 16 52 H 0.05 0.84 8.14 -51.93 -0.42 0.42 16 53 H 0.06 1.05 7.02 -51.93 -0.36 0.69 16 LS Contribution 409.61 15.07 6.17 6.17 Total: -1.00 -30.22 409.61 -7.56 -37.78 By element: Atomic # 1 Polarization: 11.60 SS G_CDS: -9.12 Total: 2.49 kcal Atomic # 6 Polarization: -1.86 SS G_CDS: 0.98 Total: -0.87 kcal Atomic # 7 Polarization: -47.16 SS G_CDS: -0.29 Total: -47.45 kcal Atomic # 8 Polarization: -13.70 SS G_CDS: -0.28 Total: -13.99 kcal Atomic # 14 Polarization: 20.90 SS G_CDS: -5.03 Total: 15.87 kcal Total LS contribution 6.17 Total: 6.17 kcal Total: -30.22 -7.56 -37.78 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. ZINC001278157804.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 27.056 kcal (2) G-P(sol) polarization free energy of solvation -30.218 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -3.162 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.560 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -37.778 kcal (6) G-S(sol) free energy of system = (1) + (5) -10.722 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.11 seconds