Wall clock time and date at job start Sat Apr 11 2020 06:11:45 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 1.52998 * 1 3 3 N 1.46500 * 109.47316 * 2 1 4 4 C 1.37101 * 119.99835 * 265.08244 * 3 2 1 5 5 H 1.08008 * 119.99587 * 139.15511 * 4 3 2 6 6 C 1.38951 * 120.00379 * 319.16263 * 4 3 2 7 7 N 1.31405 * 119.99664 * 339.91057 * 6 4 3 8 8 Si 1.86794 * 120.00051 * 159.91211 * 6 4 3 9 9 H 1.48502 * 109.47466 * 89.99657 * 8 6 4 10 10 H 1.48503 * 109.47073 * 210.00059 * 8 6 4 11 11 H 1.48507 * 109.47454 * 329.99655 * 8 6 4 12 12 C 1.34771 * 120.00157 * 85.08990 * 3 2 1 13 13 O 1.21295 * 120.00237 * 179.97438 * 12 3 2 14 14 C 1.50704 * 119.99806 * 359.97438 * 12 3 2 15 15 H 1.08998 * 112.90957 * 301.34859 * 14 12 3 16 16 C 1.53778 * 113.61079 * 72.60310 * 14 12 3 17 17 C 1.53781 * 87.08371 * 139.97728 * 16 14 12 18 18 H 1.09007 * 113.61479 * 89.10917 * 17 16 14 19 19 N 1.46497 * 113.69425 * 220.00322 * 17 16 14 20 20 C 1.34768 * 120.00194 * 254.06347 * 19 17 16 21 21 O 1.21510 * 120.00075 * 0.02562 * 20 19 17 22 22 O 1.34639 * 120.00200 * 180.02562 * 20 19 17 23 23 C 1.45191 * 117.00526 * 179.97438 * 22 20 19 24 24 C 1.53013 * 109.46900 * 60.00088 * 23 22 20 25 25 C 1.53000 * 109.47676 * 179.97438 * 23 22 20 26 26 C 1.53002 * 109.47383 * 300.00565 * 23 22 20 27 27 C 1.53783 * 113.61041 * 170.09512 * 14 12 3 28 28 C 1.52998 * 113.61154 * 105.47384 * 27 14 12 29 29 C 1.52995 * 113.69366 * 334.58202 * 27 14 12 30 30 H 1.09005 * 109.46981 * 59.99677 * 1 2 3 31 31 H 1.08998 * 109.47292 * 179.97438 * 1 2 3 32 32 H 1.08999 * 109.46486 * 300.00389 * 1 2 3 33 33 H 1.09005 * 109.47291 * 239.99904 * 2 1 3 34 34 H 1.08997 * 109.47306 * 120.00299 * 2 1 3 35 35 H 0.97001 * 119.99735 * 180.02562 * 7 6 4 36 36 H 1.08999 * 113.61954 * 25.43365 * 16 14 12 37 37 H 1.09004 * 113.61573 * 254.52770 * 16 14 12 38 38 H 0.97004 * 119.99543 * 74.06905 * 19 17 16 39 39 H 1.08996 * 109.46936 * 59.99922 * 24 23 22 40 40 H 1.08995 * 109.46996 * 179.97438 * 24 23 22 41 41 H 1.08998 * 109.46989 * 300.00416 * 24 23 22 42 42 H 1.09004 * 109.46787 * 60.00282 * 25 23 22 43 43 H 1.08994 * 109.47263 * 180.02562 * 25 23 22 44 44 H 1.08996 * 109.47052 * 300.00625 * 25 23 22 45 45 H 1.08998 * 109.47108 * 59.99215 * 26 23 22 46 46 H 1.08995 * 109.47240 * 179.97438 * 26 23 22 47 47 H 1.09004 * 109.46822 * 299.99559 * 26 23 22 48 48 H 1.09000 * 109.47598 * 176.99738 * 28 27 14 49 49 H 1.08995 * 109.47325 * 296.99930 * 28 27 14 50 50 H 1.09002 * 109.47059 * 57.00325 * 28 27 14 51 51 H 1.08994 * 109.47222 * 326.08245 * 29 27 14 52 52 H 1.09000 * 109.47386 * 86.08471 * 29 27 14 53 53 H 1.09000 * 109.47316 * 206.08053 * 29 27 14 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 1.3812 0.0000 4 6 2.3428 1.9935 -1.1830 5 1 2.0717 3.0258 -1.3488 6 6 3.0203 1.2862 -2.1686 7 7 3.6908 0.2005 -1.8547 8 14 2.9781 1.8786 -3.9396 9 1 4.1109 2.8090 -4.1775 10 1 3.0934 0.7142 -4.8539 11 1 1.6964 2.5837 -4.1953 12 6 2.1488 2.0498 1.1629 13 8 2.5536 3.1933 1.1629 14 6 1.7918 1.3769 2.4631 15 1 0.7561 1.0386 2.4954 16 6 2.8039 0.3048 2.9001 17 6 2.6216 0.8292 4.3341 18 1 1.8126 0.3413 4.8780 19 7 3.8678 0.8897 5.1018 20 6 4.1080 -0.0174 6.0692 21 8 3.2911 -0.8857 6.3043 22 8 5.2531 0.0384 6.7751 23 6 5.4446 -0.9703 7.8017 24 6 5.4236 -2.3599 7.1616 25 6 6.7922 -0.7472 8.4910 26 6 4.3199 -0.8673 8.8339 27 6 2.2185 2.1743 3.7069 28 6 1.0542 2.8606 4.4241 29 6 3.4004 3.1137 3.4593 30 1 -0.3633 0.5139 -0.8900 31 1 -0.3634 -1.0276 -0.0005 32 1 -0.3632 0.5139 0.8900 33 1 1.8934 -0.5139 -0.8900 34 1 1.8933 -0.5139 0.8899 35 1 4.1641 -0.2931 -2.5427 36 1 3.8063 0.4624 2.5018 37 1 2.4472 -0.7156 2.7596 38 1 4.5201 1.5826 4.9139 39 1 6.2248 -2.4332 6.4262 40 1 5.5678 -3.1171 7.9322 41 1 4.4638 -2.5191 6.6702 42 1 6.8075 0.2428 8.9470 43 1 6.9360 -1.5047 9.2614 44 1 7.5931 -0.8208 7.7555 45 1 3.3601 -1.0265 8.3426 46 1 4.4634 -1.6248 9.6044 47 1 4.3348 0.1226 9.2900 48 1 1.4228 3.3593 5.3205 49 1 0.6009 3.5960 3.7595 50 1 0.3095 2.1153 4.7033 51 1 4.0753 2.6643 2.7309 52 1 3.0337 4.0658 3.0758 53 1 3.9344 3.2803 4.3948 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 ZINC000874179440.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 06:11:45 Heat of formation + Delta-G solvation = -96.726756 kcal Electronic energy + Delta-G solvation = -32014.832312 eV Core-core repulsion = 27887.675667 eV Total energy + Delta-G solvation = -4127.156646 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 0.95 seconds Orbital eigenvalues (eV) -41.00518 -40.16296 -37.75772 -36.70882 -34.90132 -34.32349 -33.08434 -32.04503 -30.33561 -29.39676 -27.57625 -27.50655 -27.10736 -26.40019 -24.41113 -22.98920 -21.97961 -21.87065 -20.09384 -19.48326 -18.40454 -17.39730 -16.92895 -16.57639 -16.19410 -15.99828 -15.23113 -14.88045 -14.72176 -14.49666 -14.39035 -14.06409 -13.66325 -13.61199 -13.36932 -12.97645 -12.84278 -12.66833 -12.46374 -12.43537 -12.06618 -12.03798 -11.99654 -11.86445 -11.80592 -11.71587 -11.52890 -11.39875 -11.34260 -11.09172 -11.00585 -10.93394 -10.61866 -10.44826 -10.41438 -10.31409 -10.20924 -10.06785 -9.96748 -9.87911 -8.93492 -8.82573 -8.10622 -7.37167 -6.30215 -3.96530 2.23190 2.90339 3.18065 3.26600 3.31416 3.92480 4.15363 4.21396 4.57177 4.60000 4.61365 4.71436 4.75633 4.90876 5.00853 5.17682 5.21856 5.28851 5.37149 5.43429 5.51572 5.52479 5.60294 5.70438 5.71488 5.77573 5.81208 5.82609 5.91912 5.93272 6.03570 6.13427 6.16827 6.18787 6.21863 6.24928 6.30578 6.32543 6.37438 6.39843 6.52842 6.59349 6.66521 6.74536 6.89706 7.02622 7.23897 7.55560 7.60360 8.33608 8.46516 8.56355 9.24361 9.45496 10.08896 10.74616 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.016587 B = 0.002822 C = 0.002698 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1687.693896 B = 9918.124929 C =10376.570019 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C -0.165 4.165 2 C 0.101 3.899 3 N -0.439 5.439 4 C -0.309 4.309 5 H 0.086 0.914 6 C 0.040 3.960 7 N -0.869 5.869 8 Si 0.913 3.087 9 H -0.278 1.278 10 H -0.284 1.284 11 H -0.270 1.270 12 C 0.475 3.525 13 O -0.574 6.574 14 C -0.119 4.119 15 H 0.102 0.898 16 C -0.131 4.131 17 C 0.142 3.858 18 H 0.116 0.884 19 N -0.694 5.694 20 C 0.649 3.351 21 O -0.573 6.573 22 O -0.367 6.367 23 C 0.136 3.864 24 C -0.184 4.184 25 C -0.141 4.141 26 C -0.183 4.183 27 C -0.063 4.063 28 C -0.133 4.133 29 C -0.113 4.113 30 H 0.056 0.944 31 H 0.049 0.951 32 H 0.042 0.958 33 H 0.099 0.901 34 H 0.053 0.947 35 H 0.266 0.734 36 H 0.091 0.909 37 H 0.076 0.924 38 H 0.407 0.593 39 H 0.060 0.940 40 H 0.068 0.932 41 H 0.089 0.911 42 H 0.065 0.935 43 H 0.078 0.922 44 H 0.066 0.934 45 H 0.088 0.912 46 H 0.068 0.932 47 H 0.058 0.942 48 H 0.053 0.947 49 H 0.063 0.937 50 H 0.053 0.947 51 H 0.064 0.936 52 H 0.079 0.921 53 H 0.034 0.966 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges 0.757 -3.910 17.415 17.865 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 -0.223 4.223 2 C -0.024 4.024 3 N -0.158 5.158 4 C -0.437 4.437 5 H 0.104 0.896 6 C -0.165 4.165 7 N -0.506 5.506 8 Si 0.740 3.260 9 H -0.204 1.204 10 H -0.209 1.209 11 H -0.195 1.195 12 C 0.263 3.737 13 O -0.457 6.457 14 C -0.141 4.141 15 H 0.120 0.880 16 C -0.170 4.170 17 C 0.039 3.961 18 H 0.134 0.866 19 N -0.353 5.353 20 C 0.402 3.598 21 O -0.463 6.463 22 O -0.282 6.282 23 C 0.099 3.901 24 C -0.241 4.241 25 C -0.198 4.198 26 C -0.240 4.240 27 C -0.064 4.064 28 C -0.190 4.190 29 C -0.170 4.170 30 H 0.075 0.925 31 H 0.068 0.932 32 H 0.061 0.939 33 H 0.117 0.883 34 H 0.072 0.928 35 H 0.076 0.924 36 H 0.110 0.890 37 H 0.095 0.905 38 H 0.244 0.756 39 H 0.079 0.921 40 H 0.087 0.913 41 H 0.108 0.892 42 H 0.084 0.916 43 H 0.097 0.903 44 H 0.085 0.915 45 H 0.107 0.893 46 H 0.087 0.913 47 H 0.077 0.923 48 H 0.072 0.928 49 H 0.082 0.918 50 H 0.072 0.928 51 H 0.083 0.917 52 H 0.098 0.902 53 H 0.053 0.947 Dipole moment (debyes) X Y Z Total from point charges 0.725 -3.963 17.476 17.934 hybrid contribution 0.281 0.186 -1.047 1.100 sum 1.006 -3.776 16.429 16.887 Atomic orbital electron populations 1.22221 0.98386 1.00280 1.01456 1.21497 0.91541 0.85825 1.03496 1.43432 1.55939 1.11682 1.04717 1.19318 1.35363 0.98285 0.90739 0.89613 1.25382 0.94068 0.96622 1.00405 1.69956 1.28498 1.18395 1.33749 0.86160 0.78938 0.78275 0.82646 1.20358 1.20908 1.19463 1.19994 0.81785 0.87686 0.84226 1.90506 1.50082 1.18619 1.86478 1.22603 0.99978 0.97224 0.94314 0.88036 1.23366 1.00539 0.98638 0.94484 1.22843 0.85130 0.97970 0.90176 0.86586 1.44919 1.22853 1.31946 1.35535 1.18170 0.80477 0.81778 0.79325 1.90867 1.47817 1.37238 1.70339 1.86305 1.39060 1.54755 1.48119 1.22021 0.96215 0.86429 0.85412 1.22520 1.04831 0.95063 1.01690 1.21856 0.94626 1.02937 1.00369 1.22510 1.00549 1.02198 0.98720 1.22056 0.96966 0.93497 0.93922 1.21715 0.96943 1.00517 0.99851 1.21537 0.95966 1.00651 0.98846 0.92515 0.93194 0.93875 0.88324 0.92838 0.92385 0.89049 0.90519 0.75559 0.92140 0.91350 0.89216 0.91552 0.90289 0.91453 0.89284 0.91337 0.92296 0.92793 0.91824 0.92802 0.91688 0.90175 0.94747 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 -2.92 10.16 37.16 0.38 -2.54 16 2 C 0.10 2.13 5.42 -4.04 -0.02 2.11 16 3 N -0.44 -10.69 2.50 -114.81 -0.29 -10.98 16 4 C -0.31 -8.38 8.83 -14.93 -0.13 -8.51 16 5 H 0.09 2.44 7.83 -52.48 -0.41 2.03 16 6 C 0.04 1.04 4.91 -17.47 -0.09 0.95 16 7 N -0.87 -23.22 11.71 55.50 0.65 -22.57 16 8 Si 0.91 20.47 29.60 -169.99 -5.03 15.44 16 9 H -0.28 -6.30 7.11 56.52 0.40 -5.89 16 10 H -0.28 -6.22 7.11 56.52 0.40 -5.82 16 11 H -0.27 -5.98 7.11 56.52 0.40 -5.58 16 12 C 0.48 10.91 6.61 -10.99 -0.07 10.83 16 13 O -0.57 -14.74 13.09 5.54 0.07 -14.67 16 14 C -0.12 -2.09 2.49 -90.96 -0.23 -2.31 16 15 H 0.10 1.63 6.69 -51.93 -0.35 1.28 16 16 C -0.13 -2.15 5.83 -25.92 -0.15 -2.31 16 17 C 0.14 2.05 3.66 -67.12 -0.25 1.81 16 18 H 0.12 1.66 7.36 -51.93 -0.38 1.28 16 19 N -0.69 -9.61 5.24 -57.93 -0.30 -9.91 16 20 C 0.65 9.48 8.06 54.05 0.44 9.91 16 21 O -0.57 -9.25 11.50 -19.28 -0.22 -9.47 16 22 O -0.37 -4.85 9.94 -40.32 -0.40 -5.26 16 23 C 0.14 1.46 1.13 -90.61 -0.10 1.36 16 24 C -0.18 -1.98 8.37 37.16 0.31 -1.67 16 25 C -0.14 -1.12 8.85 37.16 0.33 -0.79 16 26 C -0.18 -1.85 8.37 37.16 0.31 -1.54 16 27 C -0.06 -0.96 1.22 -153.70 -0.19 -1.15 16 28 C -0.13 -1.77 9.16 37.16 0.34 -1.43 16 29 C -0.11 -1.85 6.49 37.16 0.24 -1.61 16 30 H 0.06 1.06 8.14 -51.93 -0.42 0.64 16 31 H 0.05 0.75 8.14 -51.93 -0.42 0.32 16 32 H 0.04 0.71 6.73 -51.93 -0.35 0.36 16 33 H 0.10 2.33 5.80 -51.93 -0.30 2.03 16 34 H 0.05 1.04 5.14 -51.93 -0.27 0.78 16 35 H 0.27 6.75 8.31 -40.82 -0.34 6.41 16 36 H 0.09 1.69 7.65 -51.93 -0.40 1.29 16 37 H 0.08 1.20 7.29 -51.93 -0.38 0.83 16 38 H 0.41 5.26 6.63 -40.82 -0.27 4.99 16 39 H 0.06 0.64 8.14 -51.93 -0.42 0.22 16 40 H 0.07 0.58 8.14 -51.93 -0.42 0.16 16 41 H 0.09 1.19 5.88 -51.93 -0.31 0.88 16 42 H 0.07 0.50 8.14 -51.93 -0.42 0.08 16 43 H 0.08 0.47 8.14 -51.93 -0.42 0.05 16 44 H 0.07 0.54 8.14 -51.93 -0.42 0.11 16 45 H 0.09 1.11 5.88 -51.93 -0.31 0.81 16 46 H 0.07 0.55 8.14 -51.93 -0.42 0.13 16 47 H 0.06 0.57 8.14 -51.93 -0.42 0.14 16 48 H 0.05 0.65 8.14 -51.93 -0.42 0.23 16 49 H 0.06 0.90 8.14 -51.93 -0.42 0.48 16 50 H 0.05 0.64 8.01 -51.93 -0.42 0.23 16 51 H 0.06 1.23 6.41 -51.93 -0.33 0.90 16 52 H 0.08 1.47 7.06 -51.93 -0.37 1.10 16 53 H 0.03 0.46 6.84 -51.93 -0.36 0.11 16 LS Contribution 403.55 15.07 6.08 6.08 Total: -1.00 -30.34 403.55 -7.29 -37.64 By element: Atomic # 1 Polarization: 19.54 SS G_CDS: -8.97 Total: 10.57 kcal Atomic # 6 Polarization: 2.00 SS G_CDS: 1.12 Total: 3.12 kcal Atomic # 7 Polarization: -43.52 SS G_CDS: 0.06 Total: -43.46 kcal Atomic # 8 Polarization: -28.84 SS G_CDS: -0.55 Total: -29.39 kcal Atomic # 14 Polarization: 20.47 SS G_CDS: -5.03 Total: 15.44 kcal Total LS contribution 6.08 Total: 6.08 kcal Total: -30.34 -7.29 -37.64 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. ZINC000874179440.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 -59.090 kcal (2) G-P(sol) polarization free energy of solvation -30.344 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -89.434 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -7.293 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -37.637 kcal (6) G-S(sol) free energy of system = (1) + (5) -96.727 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 0.95 seconds