Wall clock time and date at job start Wed Apr 1 2020 00:23:44 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= -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 O 1.42893 * 1 3 3 C 1.42897 * 114.00194 * 2 1 4 4 C 1.53003 * 109.47108 * 179.97438 * 3 2 1 5 5 H 1.09001 * 109.47332 * 305.00294 * 4 3 2 6 6 C 1.52994 * 109.46928 * 65.00605 * 4 3 2 7 7 C 1.50706 * 109.47031 * 185.00336 * 4 3 2 8 8 O 1.21279 * 119.99640 * 335.54477 * 7 4 3 9 9 N 1.34778 * 119.99853 * 155.55108 * 7 4 3 10 10 C 1.47155 * 120.98992 * 354.76422 * 9 7 4 11 11 C 1.53707 * 108.15418 * 129.38109 * 10 9 7 12 12 H 1.08995 * 109.69625 * 292.58113 * 11 10 9 13 13 C 1.52999 * 109.44061 * 172.40987 * 11 10 9 14 14 O 1.42971 * 109.16015 * 52.57258 * 11 10 9 15 15 C 1.42894 * 114.20033 * 297.38755 * 14 11 10 16 16 C 1.53005 * 109.55320 * 182.23656 * 15 14 11 17 17 C 1.53180 * 109.35216 * 59.07235 * 16 15 14 18 18 N 1.46938 * 108.77542 * 54.58165 * 17 16 15 19 19 C 1.36938 * 120.64104 * 126.28863 * 18 17 16 20 20 H 1.08004 * 119.99649 * 211.64344 * 19 18 17 21 21 C 1.38809 * 120.00355 * 31.64970 * 19 18 17 22 22 N 1.31617 * 120.00138 * 10.18265 * 21 19 18 23 23 Si 1.86798 * 119.99982 * 190.18098 * 21 19 18 24 24 H 1.48500 * 109.47222 * 90.00065 * 23 21 19 25 25 H 1.48503 * 109.47368 * 210.00001 * 23 21 19 26 26 H 1.48497 * 109.47399 * 329.99968 * 23 21 19 27 27 C 1.46918 * 118.70892 * 306.31454 * 18 17 16 28 28 C 1.52988 * 109.56630 * 302.54480 * 15 14 11 29 29 C 1.47152 * 120.98540 * 175.05074 * 9 7 4 30 30 H 1.09000 * 109.47304 * 180.02562 * 1 2 3 31 31 H 1.09008 * 109.46957 * 299.99592 * 1 2 3 32 32 H 1.09000 * 109.47538 * 59.99410 * 1 2 3 33 33 H 1.09007 * 109.47121 * 60.00633 * 3 2 1 34 34 H 1.08998 * 109.47623 * 300.00469 * 3 2 1 35 35 H 1.08997 * 109.47777 * 64.90314 * 6 4 3 36 36 H 1.09006 * 109.47102 * 184.90185 * 6 4 3 37 37 H 1.09003 * 109.46916 * 304.89638 * 6 4 3 38 38 H 1.09001 * 109.68159 * 249.15793 * 10 9 7 39 39 H 1.08996 * 109.68096 * 9.71325 * 10 9 7 40 40 H 1.09005 * 109.47491 * 300.37647 * 13 11 10 41 41 H 1.09001 * 109.46989 * 60.37559 * 13 11 10 42 42 H 1.09001 * 109.47216 * 180.37868 * 13 11 10 43 43 H 1.08999 * 109.48456 * 179.03731 * 16 15 14 44 44 H 1.08998 * 109.48450 * 299.10512 * 16 15 14 45 45 H 1.09006 * 109.59344 * 294.79627 * 17 16 15 46 46 H 1.09004 * 109.58785 * 174.36559 * 17 16 15 47 47 H 0.96994 * 120.00322 * 179.97438 * 22 21 19 48 48 H 1.08997 * 109.59054 * 293.88475 * 27 18 17 49 49 H 1.09001 * 109.70134 * 173.52849 * 27 18 17 50 50 H 1.09001 * 109.48920 * 60.88850 * 28 15 14 51 51 H 1.09007 * 109.49062 * 180.93250 * 28 15 14 52 52 H 1.08998 * 109.68349 * 350.19471 * 29 9 7 53 53 H 1.09006 * 109.67877 * 110.70217 * 29 9 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 1.4289 0.0000 0.0000 3 6 2.0102 1.3054 0.0000 4 6 3.5354 1.1845 0.0006 5 1 3.8508 0.5683 0.8427 6 6 3.9962 0.5365 -1.3064 7 6 4.1480 2.5559 0.1246 8 8 3.5240 3.5331 -0.2314 9 7 5.3891 2.6963 0.6308 10 6 6.1209 1.5411 1.1743 11 6 7.5168 1.5128 0.5314 12 1 7.4273 1.2873 -0.5312 13 6 8.3690 0.4395 1.2116 14 8 8.1361 2.7906 0.6978 15 6 7.4483 3.8635 0.0516 16 6 8.2280 5.1649 0.2501 17 6 9.6348 5.0082 -0.3354 18 7 9.5190 4.5812 -1.7366 19 6 10.1455 5.2805 -2.7333 20 1 9.7054 5.3280 -3.7185 21 6 11.3463 5.9283 -2.4777 22 7 11.9842 5.7100 -1.3473 23 14 12.0570 7.1098 -3.7380 24 1 11.5480 8.4797 -3.4744 25 1 13.5388 7.1051 -3.6406 26 1 11.6492 6.6840 -5.1009 27 6 8.7175 3.3897 -2.0474 28 6 7.3205 3.5637 -1.4432 29 6 6.0503 4.0106 0.6622 30 1 -0.3634 -1.0277 0.0005 31 1 -0.3633 0.5138 0.8901 32 1 -0.3634 0.5139 -0.8899 33 1 1.6887 1.8463 0.8901 34 1 1.6886 1.8464 -0.8899 35 1 3.7580 1.1945 -2.1421 36 1 5.0729 0.3707 -1.2700 37 1 3.4860 -0.4178 -1.4384 38 1 6.2137 1.6410 2.2558 39 1 5.5862 0.6220 0.9346 40 1 8.4567 0.6647 2.2745 41 1 7.8963 -0.5344 1.0843 42 1 9.3612 0.4235 0.7605 43 1 7.7113 5.9794 -0.2577 44 1 8.2997 5.3870 1.3148 45 1 10.1849 4.2568 0.2312 46 1 10.1594 5.9624 -0.2864 47 1 12.8234 6.1623 -1.1688 48 1 9.1933 2.5074 -1.6195 49 1 8.6362 3.2732 -3.1281 50 1 6.7473 2.6471 -1.5825 51 1 6.8104 4.3904 -1.9377 52 1 5.4697 4.7276 0.0817 53 1 6.1339 4.3550 1.6930 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 ZINC001111540911.mol2 53 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED SCF FIELD WAS ACHIEVED Wall clock time and date at job start Wed Apr 1 2020 00:23:44 Heat of formation + Delta-G solvation = -100.195096 kcal Electronic energy + Delta-G solvation = -32556.734410 eV Core-core repulsion = 28429.427366 eV Total energy + Delta-G solvation = -4127.307044 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.22 seconds Orbital eigenvalues (eV) -40.88110 -39.21391 -37.96909 -36.38377 -34.67844 -34.01881 -33.27609 -31.57752 -30.12597 -29.64398 -27.78603 -27.27693 -26.41379 -25.93478 -24.37995 -22.84388 -22.38602 -21.65876 -20.56228 -19.06617 -18.82578 -17.80252 -16.94835 -16.57456 -16.22131 -16.06053 -15.53604 -15.45309 -15.07038 -14.88982 -14.66627 -14.37700 -13.99185 -13.76898 -13.47713 -13.30913 -13.26352 -13.02228 -12.76103 -12.62396 -12.41705 -12.35842 -12.02091 -11.85651 -11.78132 -11.60294 -11.52833 -11.39798 -11.28811 -11.13143 -10.94100 -10.82550 -10.63943 -10.33864 -10.22592 -10.10509 -9.96156 -9.87556 -9.71985 -9.50447 -9.29618 -8.42920 -8.39770 -6.54814 -5.73525 -3.21641 2.46911 2.68579 3.39586 3.46148 3.47376 3.51683 3.88466 4.29397 4.51974 4.56021 4.65874 4.66437 4.80360 4.98672 5.01808 5.04713 5.07436 5.11786 5.25280 5.29967 5.32443 5.36631 5.39453 5.44255 5.47653 5.49486 5.57882 5.60849 5.64442 5.66365 5.79436 5.87301 5.93677 6.02622 6.05910 6.18307 6.31292 6.32133 6.36173 6.56356 6.59131 6.71018 6.78479 6.79249 7.03912 7.26280 7.46641 7.62758 7.80273 7.83721 8.02201 8.52888 9.27894 9.89217 10.48725 11.34235 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.019881 B = 0.002860 C = 0.002727 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 1408.024249 B = 9787.101184 C =10266.623785 Net atomic charges, atomic populations, and dipole contributions calculated with CM2 Atom NO. Type Charge No. of electrons 1 C 0.033 3.967 2 O -0.392 6.392 3 C 0.080 3.920 4 C -0.110 4.110 5 H 0.100 0.900 6 C -0.139 4.139 7 C 0.524 3.476 8 O -0.541 6.541 9 N -0.607 5.607 10 C 0.074 3.926 11 C 0.070 3.930 12 H 0.067 0.933 13 C -0.142 4.142 14 O -0.352 6.352 15 C 0.120 3.880 16 C -0.127 4.127 17 C 0.179 3.821 18 N -0.590 5.590 19 C -0.252 4.252 20 H 0.062 0.938 21 C 0.004 3.996 22 N -0.903 5.903 23 Si 0.903 3.097 24 H -0.288 1.288 25 H -0.291 1.291 26 H -0.280 1.280 27 C 0.154 3.846 28 C -0.153 4.153 29 C 0.088 3.912 30 H 0.086 0.914 31 H 0.041 0.959 32 H 0.042 0.958 33 H 0.052 0.948 34 H 0.063 0.937 35 H 0.062 0.938 36 H 0.062 0.938 37 H 0.077 0.923 38 H 0.077 0.923 39 H 0.092 0.908 40 H 0.063 0.937 41 H 0.068 0.932 42 H 0.071 0.929 43 H 0.069 0.931 44 H 0.057 0.943 45 H 0.028 0.972 46 H 0.087 0.913 47 H 0.253 0.747 48 H 0.020 0.980 49 H 0.049 0.951 50 H 0.050 0.950 51 H 0.066 0.934 52 H 0.097 0.903 53 H 0.071 0.929 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -17.758 -12.900 6.837 22.989 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 -0.063 4.063 2 O -0.311 6.311 3 C 0.003 3.997 4 C -0.131 4.131 5 H 0.118 0.882 6 C -0.196 4.196 7 C 0.312 3.688 8 O -0.418 6.418 9 N -0.340 5.340 10 C -0.049 4.049 11 C 0.011 3.989 12 H 0.085 0.915 13 C -0.200 4.200 14 O -0.271 6.271 15 C 0.080 3.920 16 C -0.167 4.167 17 C 0.054 3.946 18 N -0.313 5.313 19 C -0.381 4.381 20 H 0.080 0.920 21 C -0.194 4.194 22 N -0.548 5.548 23 Si 0.733 3.267 24 H -0.215 1.215 25 H -0.217 1.217 26 H -0.205 1.205 27 C 0.027 3.973 28 C -0.192 4.192 29 C -0.034 4.034 30 H 0.105 0.895 31 H 0.059 0.941 32 H 0.061 0.939 33 H 0.071 0.929 34 H 0.081 0.919 35 H 0.081 0.919 36 H 0.081 0.919 37 H 0.096 0.904 38 H 0.095 0.905 39 H 0.110 0.890 40 H 0.082 0.918 41 H 0.087 0.913 42 H 0.090 0.910 43 H 0.088 0.912 44 H 0.076 0.924 45 H 0.046 0.954 46 H 0.106 0.894 47 H 0.064 0.936 48 H 0.038 0.962 49 H 0.068 0.932 50 H 0.068 0.932 51 H 0.085 0.915 52 H 0.116 0.884 53 H 0.089 0.911 Dipole moment (debyes) X Y Z Total from point charges -17.636 -12.435 6.786 22.621 hybrid contribution -0.066 0.780 -0.616 0.997 sum -17.702 -11.655 6.170 22.074 Atomic orbital electron populations 1.22732 0.80696 1.02712 1.00191 1.87797 1.19901 1.27831 1.95535 1.22231 0.91553 0.84301 1.01606 1.21207 0.95130 0.94777 1.01987 0.88175 1.21706 1.01609 1.01462 0.94867 1.20343 0.81022 0.90668 0.76786 1.90697 1.60911 1.40732 1.49493 1.48117 1.15463 1.09834 1.60550 1.22731 0.93951 0.88990 0.99212 1.22466 0.90880 0.86147 0.99410 0.91504 1.21709 1.00746 0.96182 1.01366 1.88079 1.50358 1.14344 1.74308 1.21749 0.89468 0.89007 0.91779 1.22221 1.01018 0.92885 1.00530 1.20696 0.89567 1.00866 0.83508 1.43981 1.57175 1.26733 1.03418 1.19169 1.00522 1.26048 0.92408 0.91992 1.25166 0.95741 1.01124 0.97407 1.69975 1.16307 1.44094 1.24389 0.86277 0.78119 0.81138 0.81120 1.21456 1.21717 1.20497 1.20755 0.88996 0.90487 0.97063 1.22531 1.00575 1.00751 0.95344 1.22515 0.94359 0.84481 1.02027 0.89525 0.94061 0.93915 0.92924 0.91907 0.91896 0.91907 0.90427 0.90455 0.88966 0.91796 0.91342 0.91022 0.91237 0.92405 0.95423 0.89439 0.93647 0.96167 0.93212 0.93162 0.91518 0.88440 0.91054 Number of geometries 1 Number of calculations of the screened coulomb radii 1 The total number of SCF iterations 15. 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 0.23 11.01 101.05 1.11 1.34 16 2 O -0.39 -3.85 10.16 -35.23 -0.36 -4.21 16 3 C 0.08 0.83 4.75 37.16 0.18 1.01 16 4 C -0.11 -1.13 2.13 -91.77 -0.20 -1.33 16 5 H 0.10 0.88 6.37 -51.93 -0.33 0.54 16 6 C -0.14 -1.33 9.03 37.15 0.34 -0.99 16 7 C 0.52 7.07 6.82 -10.98 -0.07 7.00 16 8 O -0.54 -9.13 15.68 5.56 0.09 -9.04 16 9 N -0.61 -7.96 2.52 -172.04 -0.43 -8.40 16 10 C 0.07 0.79 5.77 -3.32 -0.02 0.77 16 11 C 0.07 0.89 3.03 -26.36 -0.08 0.81 16 12 H 0.07 0.90 6.29 -51.93 -0.33 0.58 16 13 C -0.14 -1.50 9.57 37.16 0.36 -1.15 16 14 O -0.35 -5.94 8.65 -35.23 -0.30 -6.24 16 15 C 0.12 2.05 0.68 -90.49 -0.06 1.99 16 16 C -0.13 -2.44 5.10 -26.64 -0.14 -2.58 16 17 C 0.18 4.32 5.02 -3.71 -0.02 4.30 16 18 N -0.59 -14.92 2.98 -172.32 -0.51 -15.43 16 19 C -0.25 -6.95 9.58 -15.06 -0.14 -7.10 16 20 H 0.06 1.69 7.85 -52.48 -0.41 1.28 16 21 C 0.00 0.12 5.06 -17.43 -0.09 0.03 16 22 N -0.90 -26.29 11.04 55.49 0.61 -25.67 16 23 Si 0.90 21.85 29.57 -169.99 -5.03 16.82 16 24 H -0.29 -6.93 7.11 56.52 0.40 -6.53 16 25 H -0.29 -7.09 7.11 56.52 0.40 -6.69 16 26 H -0.28 -6.64 7.11 56.52 0.40 -6.24 16 27 C 0.15 3.29 6.28 -3.72 -0.02 3.27 16 28 C -0.15 -2.75 4.33 -26.64 -0.12 -2.87 16 29 C 0.09 1.33 5.27 -3.55 -0.02 1.31 16 30 H 0.09 0.46 8.14 -51.93 -0.42 0.04 16 31 H 0.04 0.26 8.14 -51.92 -0.42 -0.17 16 32 H 0.04 0.27 8.14 -51.93 -0.42 -0.15 16 33 H 0.05 0.55 8.14 -51.92 -0.42 0.12 16 34 H 0.06 0.70 8.03 -51.93 -0.42 0.28 16 35 H 0.06 0.67 8.14 -51.93 -0.42 0.25 16 36 H 0.06 0.57 7.79 -51.93 -0.40 0.17 16 37 H 0.08 0.67 7.70 -51.93 -0.40 0.27 16 38 H 0.08 0.77 8.14 -51.93 -0.42 0.35 16 39 H 0.09 0.75 5.20 -51.93 -0.27 0.48 16 40 H 0.06 0.65 8.14 -51.93 -0.42 0.22 16 41 H 0.07 0.53 8.14 -51.93 -0.42 0.11 16 42 H 0.07 0.87 8.14 -51.93 -0.42 0.44 16 43 H 0.07 1.34 8.14 -51.93 -0.42 0.92 16 44 H 0.06 1.01 8.14 -51.93 -0.42 0.59 16 45 H 0.03 0.72 7.83 -51.93 -0.41 0.31 16 46 H 0.09 2.35 6.10 -51.93 -0.32 2.04 16 47 H 0.25 7.13 8.31 -40.82 -0.34 6.79 16 48 H 0.02 0.45 7.83 -51.93 -0.41 0.04 16 49 H 0.05 1.06 7.94 -51.93 -0.41 0.65 16 50 H 0.05 0.82 6.15 -51.93 -0.32 0.50 16 51 H 0.07 1.28 8.14 -51.92 -0.42 0.85 16 52 H 0.10 1.59 7.11 -51.93 -0.37 1.22 16 53 H 0.07 1.02 8.14 -51.93 -0.42 0.60 16 LS Contribution 401.69 15.07 6.05 6.05 Total: -1.00 -32.13 401.69 -8.30 -40.43 By element: Atomic # 1 Polarization: 9.29 SS G_CDS: -9.42 Total: -0.13 kcal Atomic # 6 Polarization: 4.81 SS G_CDS: 1.00 Total: 5.82 kcal Atomic # 7 Polarization: -49.17 SS G_CDS: -0.33 Total: -49.50 kcal Atomic # 8 Polarization: -18.92 SS G_CDS: -0.58 Total: -19.49 kcal Atomic # 14 Polarization: 21.85 SS G_CDS: -5.03 Total: 16.82 kcal Total LS contribution 6.05 Total: 6.05 kcal Total: -32.13 -8.30 -40.43 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. ZINC001111540911.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 -59.764 kcal (2) G-P(sol) polarization free energy of solvation -32.132 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -91.896 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.299 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.431 kcal (6) G-S(sol) free energy of system = (1) + (5) -100.195 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.22 seconds