Wall clock time and date at job start Sat Mar 6 2021 15:36:44 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= 0 * 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 O 1.45207 * 1 3 3 C 1.34231 * 116.99790 * 2 1 4 4 O 1.20830 * 120.00086 * 0.02562 * 3 2 1 5 5 C 1.50699 * 119.99711 * 179.97438 * 3 2 1 6 6 H 1.08991 * 112.85105 * 48.80538 * 5 3 2 7 7 C 1.53779 * 113.60999 * 179.97438 * 5 3 2 8 8 C 1.53778 * 87.07901 * 140.06605 * 7 5 3 9 9 H 1.09003 * 113.61530 * 89.20202 * 8 7 5 10 10 N 1.46507 * 113.61355 * 220.01814 * 8 7 5 11 11 C 1.34780 * 119.99703 * 203.47205 * 10 8 7 12 12 O 1.21548 * 120.00481 * 359.97438 * 11 10 8 13 13 C 1.47843 * 119.99669 * 179.97438 * 11 10 8 14 14 C 1.39557 * 120.14562 * 179.97438 * 13 11 10 15 15 C 1.50705 * 120.07033 * 0.02562 * 14 13 11 16 16 O 1.42902 * 109.46904 * 179.97438 * 15 14 13 17 17 C 1.35904 * 116.99770 * 180.02562 * 16 15 14 18 18 C 1.38713 * 120.05359 * 180.02562 * 17 16 15 19 19 C 1.38169 * 119.94095 * 180.02562 * 18 17 16 20 20 C 1.50695 * 119.96903 * 180.02562 * 19 18 17 21 21 O 1.42899 * 109.47574 * 64.99717 * 20 19 18 22 22 Si 1.86305 * 109.47210 * 184.99893 * 20 19 18 23 23 C 1.38240 * 120.05665 * 359.97438 * 19 18 17 24 24 C 1.38292 * 120.11185 * 359.97438 * 23 19 18 25 25 C 1.38119 * 120.05412 * 359.76495 * 24 23 19 26 26 C 1.37972 * 119.85610 * 179.97438 * 14 13 11 27 27 C 1.38335 * 120.14647 * 0.02562 * 26 14 13 28 28 C 1.38385 * 120.29153 * 359.97438 * 27 26 14 29 29 C 1.37942 * 120.14390 * 0.02562 * 28 27 26 30 30 C 1.53775 * 87.17261 * 334.60934 * 8 7 5 31 31 H 1.09000 * 109.47032 * 60.00270 * 1 2 3 32 32 H 1.08992 * 109.46735 * 180.02562 * 1 2 3 33 33 H 1.09004 * 109.47193 * 299.99952 * 1 2 3 34 34 H 1.09003 * 113.62007 * 25.52111 * 7 5 3 35 35 H 1.08999 * 113.69306 * 254.62702 * 7 5 3 36 36 H 0.96996 * 120.00437 * 23.47184 * 10 8 7 37 37 H 1.08995 * 109.47319 * 299.97328 * 15 14 13 38 38 H 1.09004 * 109.46798 * 59.97738 * 15 14 13 39 39 H 1.07998 * 120.03071 * 359.97438 * 18 17 16 40 40 H 1.09008 * 109.46993 * 304.99773 * 20 19 18 41 41 H 0.96699 * 114.00741 * 180.02562 * 21 20 19 42 42 H 1.48498 * 109.99815 * 300.00120 * 22 20 19 43 43 H 1.48501 * 109.99735 * 61.31703 * 22 20 19 44 44 H 1.07998 * 119.94577 * 179.97438 * 23 19 18 45 45 H 1.08001 * 119.96673 * 180.02562 * 24 23 19 46 46 H 1.08001 * 120.02554 * 180.27165 * 25 24 23 47 47 H 1.08004 * 119.93191 * 179.97438 * 26 14 13 48 48 H 1.08003 * 119.85732 * 180.02562 * 27 26 14 49 49 H 1.07998 * 119.92699 * 179.75054 * 28 27 26 50 50 H 1.07993 * 120.07351 * 179.97438 * 29 28 27 51 51 H 1.08994 * 113.61625 * 139.94247 * 30 8 7 52 52 H 1.09005 * 113.61320 * 270.84252 * 30 8 7 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 8 1.4521 0.0000 0.0000 3 6 2.0614 1.1960 0.0000 4 8 1.4033 2.2094 0.0005 5 6 3.5663 1.2749 0.0006 6 1 4.0239 0.6363 -0.7549 7 6 4.1077 2.7142 -0.0001 8 6 5.1819 2.2270 0.9865 9 1 6.0819 1.8497 0.5008 10 7 5.4720 3.1834 2.0577 11 6 6.6591 3.1422 2.6946 12 8 7.4888 2.3113 2.3807 13 6 6.9520 4.1077 3.7752 14 6 8.1799 4.0675 4.4372 15 6 9.2122 3.0394 4.0518 16 8 10.3742 3.2022 4.8675 17 6 11.4078 2.3478 4.6465 18 6 12.5664 2.4488 5.4025 19 6 13.6159 1.5793 5.1755 20 6 14.8747 1.6881 5.9969 21 8 14.5809 1.3829 7.3616 22 14 16.1434 0.4864 5.3510 23 6 13.5118 0.6090 4.1964 24 6 12.3574 0.5056 3.4420 25 6 11.3033 1.3689 3.6687 26 6 8.4472 4.9718 5.4444 27 6 7.5010 5.9165 5.7990 28 6 6.2813 5.9619 5.1467 29 6 6.0015 5.0636 4.1379 30 6 4.1945 1.1222 1.3977 31 1 -0.3633 0.5138 -0.8900 32 1 -0.3632 -1.0276 0.0005 33 1 -0.3634 0.5138 0.8900 34 1 3.4177 3.4406 0.4294 35 1 4.5099 3.0304 -0.9626 36 1 4.8098 3.8463 2.3086 37 1 8.8023 2.0402 4.1987 38 1 9.4825 3.1709 3.0040 39 1 12.6483 3.2069 6.1673 40 1 15.2670 2.7027 5.9278 41 1 15.3468 1.4336 7.9498 42 1 15.6205 -0.9007 5.4397 43 1 16.4811 0.8127 3.9423 44 1 14.3334 -0.0694 4.0202 45 1 12.2784 -0.2535 2.6779 46 1 10.4003 1.2850 3.0823 47 1 9.3970 4.9415 5.9578 48 1 7.7153 6.6224 6.5879 49 1 5.5453 6.6993 5.4310 50 1 5.0492 5.0997 3.6299 51 1 4.6666 0.1536 1.5617 52 1 3.5282 1.4124 2.2101 There are 73 doubly filled levels RHF calculation, no. of doubly occupied orbitals= 73 No. of singly occupied orbitals= 1 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=0 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 s_22_10970304_4557126.mol2 52 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Sat Mar 6 2021 15:36:44 Heat of formation + Delta-G solvation = -96.842021 kcal Electronic energy + Delta-G solvation = -36041.884485 eV Core-core repulsion = 31132.777771 eV Total energy + Delta-G solvation = -4909.106713 eV No. of doubly occupied orbitals = 73 and no. of open levels = 1 Molecular weight (most abundant/longest-lived isotopes) = 398.165 amu Computer time = 1.40 seconds Orbital eigenvalues (eV) -42.09894 -41.57198 -40.97908 -39.98112 -38.95505 -38.72184 -37.36315 -37.23049 -34.92318 -33.29606 -32.50082 -32.18995 -30.93610 -29.44880 -27.92236 -27.02445 -27.00311 -26.44699 -24.88499 -23.60414 -23.27409 -22.35596 -21.80590 -21.48890 -20.78364 -19.05373 -18.85029 -18.73070 -18.36277 -18.00677 -17.46789 -17.43000 -17.34668 -17.00357 -16.85853 -16.44173 -16.41053 -15.98268 -15.83746 -15.80202 -15.45151 -15.28821 -14.73006 -14.53132 -14.48505 -14.40957 -14.22629 -14.12876 -14.02808 -13.76266 -13.57815 -13.49824 -13.37076 -13.10137 -13.08763 -12.77877 -12.67186 -12.41058 -12.26125 -12.22651 -12.06773 -12.01023 -11.92719 -11.83393 -11.69126 -11.42122 -10.85098 -10.32289 -10.31741 -10.04459 -9.86874 -9.77821 -9.12872 -4.93179 -0.28717 0.22331 0.31553 0.50085 1.09312 1.30837 1.57373 1.68798 1.75197 2.01797 2.04400 2.14885 2.69472 2.74283 3.09212 3.16455 3.44401 3.46883 3.54349 3.58327 3.60859 3.71378 3.88556 3.90824 3.92475 3.97475 4.09346 4.11944 4.19361 4.25889 4.26852 4.32576 4.34413 4.35400 4.39863 4.43984 4.45755 4.46705 4.55153 4.60491 4.64908 4.69307 4.71863 4.72776 4.86715 4.93427 5.05029 5.12398 5.27932 5.30485 5.33947 5.36531 5.40219 5.48203 5.54374 5.74834 5.78354 6.30086 6.48853 6.65840 6.67319 7.02374 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.034 3.966 2 O -0.357 6.357 3 C 0.472 3.528 4 O -0.505 6.505 5 C -0.109 4.109 6 H 0.132 0.868 7 C -0.127 4.127 8 C 0.126 3.874 9 H 0.126 0.874 10 N -0.714 5.714 11 C 0.562 3.438 12 O -0.534 6.534 13 C -0.137 4.137 14 C -0.029 4.029 15 C 0.106 3.894 16 O -0.318 6.318 17 C 0.136 3.864 18 C -0.123 4.123 19 C -0.039 4.039 20 C -0.072 4.072 21 O -0.544 6.544 22 Si 0.686 3.314 23 C -0.163 4.163 24 C -0.072 4.072 25 C -0.201 4.201 26 C -0.108 4.108 27 C -0.087 4.087 28 C -0.125 4.125 29 C -0.083 4.083 30 C -0.134 4.134 31 H 0.064 0.936 32 H 0.104 0.896 33 H 0.064 0.936 34 H 0.103 0.897 35 H 0.090 0.910 36 H 0.403 0.597 37 H 0.090 0.910 38 H 0.090 0.910 39 H 0.135 0.865 40 H 0.076 0.924 41 H 0.382 0.618 42 H -0.251 1.251 43 H -0.255 1.255 44 H 0.119 0.881 45 H 0.130 0.870 46 H 0.137 0.863 47 H 0.141 0.859 48 H 0.132 0.868 49 H 0.133 0.867 50 H 0.129 0.871 51 H 0.091 0.909 52 H 0.092 0.908 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -0.099 1.400 0.700 1.569 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 -0.060 4.060 2 O -0.273 6.273 3 C 0.315 3.685 4 O -0.392 6.392 5 C -0.129 4.129 6 H 0.150 0.850 7 C -0.165 4.165 8 C 0.021 3.979 9 H 0.144 0.856 10 N -0.365 5.365 11 C 0.351 3.649 12 O -0.413 6.413 13 C -0.140 4.140 14 C -0.030 4.030 15 C 0.032 3.968 16 O -0.232 6.232 17 C 0.091 3.909 18 C -0.141 4.141 19 C -0.039 4.039 20 C -0.183 4.183 21 O -0.350 6.350 22 Si 0.587 3.413 23 C -0.180 4.180 24 C -0.090 4.090 25 C -0.219 4.219 26 C -0.125 4.125 27 C -0.106 4.106 28 C -0.143 4.143 29 C -0.101 4.101 30 C -0.172 4.172 31 H 0.083 0.917 32 H 0.122 0.878 33 H 0.082 0.918 34 H 0.121 0.879 35 H 0.109 0.891 36 H 0.239 0.761 37 H 0.108 0.892 38 H 0.108 0.892 39 H 0.153 0.847 40 H 0.094 0.906 41 H 0.230 0.770 42 H -0.175 1.175 43 H -0.180 1.180 44 H 0.136 0.864 45 H 0.147 0.853 46 H 0.155 0.845 47 H 0.159 0.841 48 H 0.150 0.850 49 H 0.150 0.850 50 H 0.147 0.853 51 H 0.109 0.891 52 H 0.110 0.890 Dipole moment (debyes) X Y Z Total from point charges -0.194 0.559 -0.252 0.643 hybrid contribution -1.410 0.565 -0.238 1.537 sum -1.604 1.123 -0.490 2.019 Atomic orbital electron populations 1.23334 0.75854 1.04081 1.02718 1.86523 1.23784 1.33232 1.83731 1.23456 0.91550 0.81452 0.72064 1.90685 1.66979 1.36433 1.45129 1.22329 0.87770 1.00929 1.01824 0.84999 1.23375 0.97078 0.95003 1.01007 1.22471 0.97923 0.89520 0.87981 0.85637 1.45844 1.17414 1.36153 1.37137 1.18305 0.81655 0.83470 0.81459 1.90754 1.46485 1.38229 1.65790 1.19571 0.95527 0.99348 0.99522 1.19623 0.92701 0.95633 0.95067 1.21693 0.82431 0.98221 0.94437 1.85942 1.24002 1.53886 1.59365 1.18905 0.87843 0.89736 0.94401 1.20202 0.91003 1.01974 1.00958 1.19084 0.94364 0.95034 0.95401 1.24719 1.00475 1.06945 0.86148 1.86506 1.38783 1.92880 1.16881 0.95449 0.84447 0.78710 0.82646 1.20794 0.98754 0.99539 0.98938 1.20870 0.92099 0.97864 0.98169 1.21431 1.01305 0.98124 1.01066 1.21083 1.00490 0.94311 0.96665 1.21484 0.93127 0.97390 0.98561 1.21194 0.97570 0.99276 0.96295 1.21226 0.98064 0.93941 0.96911 1.23485 0.97928 1.01213 0.94622 0.91681 0.87790 0.91760 0.87860 0.89139 0.76051 0.89233 0.89235 0.84749 0.90641 0.77023 1.17535 1.17965 0.86372 0.85253 0.84482 0.84101 0.84983 0.84958 0.85345 0.89055 0.88989 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 0.03 -0.03 10.56 101.05 1.07 1.04 16 2 O -0.36 -0.40 10.57 -39.26 -0.41 -0.82 16 3 C 0.47 0.58 7.49 36.01 0.27 0.85 16 4 O -0.50 -1.95 15.65 -18.75 -0.29 -2.24 16 5 C -0.11 0.18 4.26 -90.87 -0.39 -0.21 16 6 H 0.13 -0.44 8.14 -51.93 -0.42 -0.86 16 7 C -0.13 0.27 7.15 -25.92 -0.19 0.09 16 8 C 0.13 -0.21 4.21 -67.12 -0.28 -0.49 16 9 H 0.13 -0.12 7.50 -51.93 -0.39 -0.51 16 10 N -0.71 0.88 5.31 -53.96 -0.29 0.60 16 11 C 0.56 0.78 7.75 -12.33 -0.10 0.69 16 12 O -0.53 -2.04 13.03 5.32 0.07 -1.97 16 13 C -0.14 -0.14 5.87 -104.97 -0.62 -0.76 16 14 C -0.03 -0.06 5.91 -104.23 -0.62 -0.68 16 15 C 0.11 0.31 3.38 36.01 0.12 0.43 16 16 O -0.32 -1.22 8.62 -19.44 -0.17 -1.39 16 17 C 0.14 0.59 6.69 -39.22 -0.26 0.33 16 18 C -0.12 -0.51 9.62 -39.43 -0.38 -0.89 16 19 C -0.04 -0.15 5.38 -104.65 -0.56 -0.71 16 20 C -0.07 -0.07 2.79 36.00 0.10 0.03 16 21 O -0.54 -0.64 12.81 -35.23 -0.45 -1.09 16 22 Si 0.69 -0.17 29.85 -169.99 -5.07 -5.24 16 23 C -0.16 -0.62 8.67 -39.56 -0.34 -0.97 16 24 C -0.07 -0.23 10.04 -39.61 -0.40 -0.63 16 25 C -0.20 -0.73 9.04 -39.44 -0.36 -1.09 16 26 C -0.11 -0.13 9.37 -39.64 -0.37 -0.51 16 27 C -0.09 0.04 10.04 -39.49 -0.40 -0.36 16 28 C -0.13 0.15 10.03 -39.64 -0.40 -0.25 16 29 C -0.08 0.09 9.54 -39.18 -0.37 -0.29 16 30 C -0.13 0.24 7.44 -25.83 -0.19 0.04 16 31 H 0.06 -0.05 8.13 -51.93 -0.42 -0.47 16 32 H 0.10 -0.32 8.14 -51.93 -0.42 -0.74 16 33 H 0.06 -0.05 8.13 -51.93 -0.42 -0.47 16 34 H 0.10 -0.15 7.41 -51.93 -0.38 -0.54 16 35 H 0.09 -0.26 8.14 -51.93 -0.42 -0.68 16 36 H 0.40 -1.31 6.75 -40.82 -0.28 -1.59 16 37 H 0.09 0.31 6.85 -51.93 -0.36 -0.05 16 38 H 0.09 0.29 6.87 -51.93 -0.36 -0.07 16 39 H 0.13 0.43 8.06 -52.49 -0.42 0.01 16 40 H 0.08 -0.06 7.96 -51.92 -0.41 -0.47 16 41 H 0.38 -1.57 8.74 45.56 0.40 -1.17 16 42 H -0.25 -0.74 7.05 56.52 0.40 -0.34 16 43 H -0.25 -0.56 7.11 56.52 0.40 -0.16 16 44 H 0.12 0.36 4.86 -52.49 -0.26 0.11 16 45 H 0.13 0.13 8.06 -52.49 -0.42 -0.29 16 46 H 0.14 0.38 6.30 -52.49 -0.33 0.05 16 47 H 0.14 0.16 7.00 -52.48 -0.37 -0.21 16 48 H 0.13 -0.32 8.06 -52.48 -0.42 -0.74 16 49 H 0.13 -0.44 8.06 -52.49 -0.42 -0.86 16 50 H 0.13 -0.48 6.41 -52.49 -0.34 -0.82 16 51 H 0.09 -0.17 8.14 -51.93 -0.42 -0.59 16 52 H 0.09 -0.13 8.10 -51.93 -0.42 -0.55 16 LS Contribution 431.05 15.07 6.50 6.50 Total: 0.00 -10.31 431.05 -11.70 -22.00 By element: Atomic # 1 Polarization: -5.11 SS G_CDS: -6.92 Total: -12.02 kcal Atomic # 6 Polarization: 0.33 SS G_CDS: -4.66 Total: -4.33 kcal Atomic # 7 Polarization: 0.88 SS G_CDS: -0.29 Total: 0.60 kcal Atomic # 8 Polarization: -6.25 SS G_CDS: -1.26 Total: -7.50 kcal Atomic # 14 Polarization: -0.17 SS G_CDS: -5.07 Total: -5.24 kcal Total LS contribution 6.50 Total: 6.50 kcal Total: -10.31 -11.70 -22.00 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. s_22_10970304_4557126.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 -74.839 kcal (2) G-P(sol) polarization free energy of solvation -10.306 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -85.146 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -11.696 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -22.003 kcal (6) G-S(sol) free energy of system = (1) + (5) -96.842 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.40 seconds