Wall clock time and date at job start Sat Apr 11 2020 06:13:40 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 1.53005 * 1 3 3 N 1.46499 * 109.47067 * 2 1 4 4 C 1.37098 * 119.99648 * 264.76427 * 3 2 1 5 5 H 1.07998 * 119.99355 * 138.85429 * 4 3 2 6 6 C 1.38952 * 120.00336 * 318.85540 * 4 3 2 7 7 N 1.31404 * 119.99814 * 341.83285 * 6 4 3 8 8 Si 1.86795 * 119.99786 * 161.83330 * 6 4 3 9 9 H 1.48499 * 109.47590 * 60.00035 * 8 6 4 10 10 H 1.48500 * 109.47016 * 180.02562 * 8 6 4 11 11 H 1.48505 * 109.47320 * 299.99726 * 8 6 4 12 12 C 1.34778 * 120.00136 * 84.77334 * 3 2 1 13 13 O 1.21288 * 119.99975 * 180.02562 * 12 3 2 14 14 C 1.50703 * 119.99927 * 359.97438 * 12 3 2 15 15 C 1.52999 * 109.46770 * 180.02562 * 14 12 3 16 16 H 1.09000 * 110.43401 * 303.90617 * 15 14 12 17 17 C 1.54267 * 110.49068 * 66.45393 * 15 14 12 18 18 C 1.53878 * 106.59729 * 142.41640 * 17 15 14 19 19 C 1.54264 * 106.59894 * 0.02562 * 18 17 15 20 20 H 1.09002 * 110.48602 * 95.20015 * 19 18 17 21 21 N 1.46503 * 110.48508 * 217.70980 * 19 18 17 22 22 C 1.34780 * 119.99504 * 273.27435 * 21 19 18 23 23 O 1.21504 * 120.00582 * 0.26950 * 22 21 19 24 24 O 1.34636 * 119.99433 * 180.27638 * 22 21 19 25 25 C 1.45200 * 116.99745 * 179.97438 * 24 22 21 26 26 C 1.52995 * 109.47377 * 59.99983 * 25 24 22 27 27 C 1.53008 * 109.47282 * 179.97438 * 25 24 22 28 28 C 1.52999 * 109.47059 * 299.99734 * 25 24 22 29 29 C 1.54890 * 104.19542 * 336.38417 * 19 18 17 30 30 H 1.08998 * 109.47195 * 180.02562 * 1 2 3 31 31 H 1.09002 * 109.46936 * 299.99971 * 1 2 3 32 32 H 1.08993 * 109.46952 * 60.00108 * 1 2 3 33 33 H 1.08997 * 109.47249 * 239.99155 * 2 1 3 34 34 H 1.09004 * 109.46525 * 119.99760 * 2 1 3 35 35 H 0.97005 * 120.00214 * 179.97438 * 7 6 4 36 36 H 1.08998 * 109.47112 * 60.00229 * 14 12 3 37 37 H 1.09005 * 109.47030 * 300.00583 * 14 12 3 38 38 H 1.09001 * 110.02885 * 23.13281 * 17 15 14 39 39 H 1.08996 * 110.06971 * 261.72889 * 17 15 14 40 40 H 1.08994 * 110.03024 * 240.71544 * 18 17 15 41 41 H 1.09004 * 110.02338 * 119.28864 * 18 17 15 42 42 H 0.96994 * 120.00059 * 93.54270 * 21 19 18 43 43 H 1.09004 * 109.47259 * 59.99530 * 26 25 24 44 44 H 1.09000 * 109.47456 * 179.97438 * 26 25 24 45 45 H 1.09003 * 109.46782 * 300.00323 * 26 25 24 46 46 H 1.09004 * 109.46777 * 59.99715 * 27 25 24 47 47 H 1.08997 * 109.47186 * 179.97438 * 27 25 24 48 48 H 1.08997 * 109.46847 * 300.00539 * 27 25 24 49 49 H 1.08998 * 109.47227 * 60.00138 * 28 25 24 50 50 H 1.09009 * 109.47113 * 180.02562 * 28 25 24 51 51 H 1.08996 * 109.47066 * 299.99652 * 28 25 24 52 52 H 1.09004 * 110.75050 * 156.25605 * 29 19 18 53 53 H 1.08996 * 110.75768 * 279.62542 * 29 19 18 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 2.3490 1.9913 -1.1824 5 1 2.0744 3.0217 -1.3535 6 6 3.0373 1.2840 -2.1605 7 7 3.6791 0.1817 -1.8451 8 14 3.0501 1.9004 -3.9238 9 1 3.6538 3.2563 -3.9700 10 1 3.8483 0.9738 -4.7662 11 1 1.6580 1.9606 -4.4374 12 6 2.1428 2.0520 1.1623 13 8 2.5466 3.1957 1.1623 14 6 1.7789 1.3814 2.4620 15 6 2.0100 2.3544 3.6200 16 1 3.0397 2.7120 3.6168 17 6 1.0265 3.5397 3.5338 18 6 0.6206 3.8800 4.9786 19 6 1.3722 2.8900 5.8922 20 1 2.2975 3.3354 6.2578 21 7 0.5230 2.4817 7.0140 22 6 0.4892 3.2239 8.1386 23 8 1.1593 4.2341 8.2202 24 8 -0.2869 2.8456 9.1716 25 6 -0.2733 3.6925 10.3510 26 6 -0.7458 5.0982 9.9750 27 6 -1.2093 3.1068 11.4103 28 6 1.1489 3.7650 10.9104 29 6 1.6753 1.6804 4.9735 30 1 -0.3633 -1.0276 0.0005 31 1 -0.3633 0.5138 0.8900 32 1 -0.3633 0.5138 -0.8899 33 1 1.8934 -0.5139 -0.8899 34 1 1.8933 -0.5138 0.8901 35 1 4.1593 -0.3124 -2.5280 36 1 2.4004 0.4968 2.6008 37 1 0.7294 1.0881 2.4382 38 1 0.1472 3.2540 2.9564 39 1 1.5142 4.3976 3.0710 40 1 -0.4556 3.7595 5.1022 41 1 0.9121 4.9029 5.2171 42 1 -0.0120 1.6752 6.9489 43 1 -1.7591 5.0465 9.5764 44 1 -0.7361 5.7338 10.8604 45 1 -0.0794 5.5157 9.2201 46 1 -0.8731 2.1051 11.6783 47 1 -1.1987 3.7423 12.2958 48 1 -2.2224 3.0554 11.0115 49 1 1.8153 4.1825 10.1556 50 1 1.1590 4.4005 11.7961 51 1 1.4854 2.7636 11.1784 52 1 2.5306 1.1169 5.3466 53 1 0.7997 1.0382 4.8789 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 ZINC001136377464.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 06:13:40 Heat of formation + Delta-G solvation = -134.522144 kcal Electronic energy + Delta-G solvation = -30560.935703 eV Core-core repulsion = 26432.140126 eV Total energy + Delta-G solvation = -4128.795577 eV No. of doubly occupied orbitals = 66 Molecular weight (most abundant/longest-lived isotopes) = 340.220 amu Computer time = 1.23 seconds Orbital eigenvalues (eV) -40.94023 -39.22583 -38.14567 -36.80306 -34.96673 -34.50911 -33.61715 -32.07167 -30.30265 -29.39585 -28.27475 -27.70353 -27.63828 -25.98454 -24.15710 -22.74299 -22.20176 -20.68744 -20.27678 -19.75051 -18.50681 -18.26563 -16.83157 -16.71387 -16.31938 -15.87257 -15.71678 -15.36083 -14.93020 -14.79360 -14.58304 -14.10947 -13.98359 -13.75989 -13.28630 -12.92721 -12.87258 -12.79551 -12.73375 -12.59818 -12.18828 -12.17265 -12.16275 -11.96050 -11.75647 -11.60168 -11.51773 -11.43202 -11.29091 -11.04200 -10.92746 -10.84299 -10.67174 -10.57495 -10.47093 -10.33573 -10.22135 -10.17233 -10.08487 -10.02452 -9.21181 -8.87146 -8.27793 -7.36725 -6.28274 -3.96311 2.03333 2.73603 3.21834 3.26869 3.30419 3.96593 4.00356 4.19503 4.43458 4.47500 4.58355 4.62155 4.72299 4.87862 5.04597 5.12693 5.16567 5.24582 5.30283 5.39422 5.46783 5.48474 5.52112 5.57368 5.58189 5.62923 5.68838 5.75607 5.82983 5.85833 5.90665 5.98915 6.00711 6.02910 6.08376 6.18393 6.21658 6.31257 6.38081 6.38506 6.41781 6.46257 6.56441 6.73237 6.81672 6.89241 7.24027 7.32788 7.61793 8.28317 8.34901 8.57648 9.25804 9.46337 10.09520 10.76998 Molecular weight = 340.22amu Principal moments of inertia in cm(-1) A = 0.032259 B = 0.001911 C = 0.001877 Principal moments of inertia in units of 10**(-40)*gram-cm**2 A = 867.770298 B =14644.995266 C =14917.346077 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 0.104 3.896 3 N -0.445 5.445 4 C -0.307 4.307 5 H 0.086 0.914 6 C 0.037 3.963 7 N -0.874 5.874 8 Si 0.917 3.083 9 H -0.273 1.273 10 H -0.285 1.285 11 H -0.274 1.274 12 C 0.463 3.537 13 O -0.577 6.577 14 C -0.128 4.128 15 C -0.067 4.067 16 H 0.083 0.917 17 C -0.107 4.107 18 C -0.136 4.136 19 C 0.157 3.843 20 H 0.096 0.904 21 N -0.703 5.703 22 C 0.648 3.352 23 O -0.567 6.567 24 O -0.368 6.368 25 C 0.136 3.864 26 C -0.184 4.184 27 C -0.140 4.140 28 C -0.183 4.183 29 C -0.126 4.126 30 H 0.049 0.951 31 H 0.042 0.958 32 H 0.056 0.944 33 H 0.102 0.898 34 H 0.047 0.953 35 H 0.267 0.733 36 H 0.079 0.921 37 H 0.077 0.923 38 H 0.060 0.940 39 H 0.078 0.922 40 H 0.063 0.937 41 H 0.067 0.933 42 H 0.404 0.596 43 H 0.059 0.941 44 H 0.069 0.931 45 H 0.089 0.911 46 H 0.066 0.934 47 H 0.079 0.921 48 H 0.066 0.934 49 H 0.088 0.912 50 H 0.069 0.931 51 H 0.059 0.941 52 H 0.074 0.926 53 H 0.074 0.926 For the charges calculated by CM2: Dipole moment (debyes) X Y Z Total from point charges -9.749 -0.318 22.134 24.188 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 -0.020 4.020 3 N -0.165 5.165 4 C -0.435 4.435 5 H 0.103 0.897 6 C -0.167 4.167 7 N -0.512 5.512 8 Si 0.744 3.256 9 H -0.198 1.198 10 H -0.211 1.211 11 H -0.200 1.200 12 C 0.252 3.748 13 O -0.461 6.461 14 C -0.169 4.169 15 C -0.086 4.086 16 H 0.102 0.898 17 C -0.145 4.145 18 C -0.175 4.175 19 C 0.054 3.946 20 H 0.114 0.886 21 N -0.361 5.361 22 C 0.401 3.599 23 O -0.456 6.456 24 O -0.283 6.283 25 C 0.099 3.901 26 C -0.241 4.241 27 C -0.198 4.198 28 C -0.241 4.241 29 C -0.164 4.164 30 H 0.068 0.932 31 H 0.061 0.939 32 H 0.075 0.925 33 H 0.120 0.880 34 H 0.066 0.934 35 H 0.077 0.923 36 H 0.097 0.903 37 H 0.095 0.905 38 H 0.079 0.921 39 H 0.096 0.904 40 H 0.082 0.918 41 H 0.086 0.914 42 H 0.239 0.761 43 H 0.078 0.922 44 H 0.088 0.912 45 H 0.107 0.893 46 H 0.085 0.915 47 H 0.098 0.902 48 H 0.085 0.915 49 H 0.107 0.893 50 H 0.088 0.912 51 H 0.078 0.922 52 H 0.092 0.908 53 H 0.093 0.907 Dipole moment (debyes) X Y Z Total from point charges -9.115 0.631 22.139 23.950 hybrid contribution -0.247 -0.323 -0.904 0.991 sum -9.361 0.308 21.234 23.208 Atomic orbital electron populations 1.22226 0.98390 1.00235 1.01470 1.21426 0.91464 0.85826 1.03325 1.43454 1.56420 1.11678 1.04959 1.19302 1.34661 0.98410 0.91145 0.89655 1.25407 0.94162 0.96621 1.00487 1.69915 1.29651 1.17621 1.33975 0.86161 0.78296 0.78827 0.82365 1.19785 1.21055 1.19972 1.20362 0.81725 0.87887 0.84866 1.90505 1.49962 1.18712 1.86897 1.21715 1.02088 0.99016 0.94045 1.21584 1.00809 0.94710 0.91486 0.89811 1.22075 0.98859 0.99246 0.94339 1.22617 0.99956 0.99408 0.95477 1.21946 0.93154 0.95744 0.83729 0.88562 1.44936 1.49092 1.28758 1.13301 1.18147 0.78755 0.82350 0.80622 1.90899 1.46423 1.26060 1.82261 1.86295 1.63433 1.54051 1.24513 1.22042 0.96696 0.89642 0.81680 1.22517 1.02417 0.95477 1.03674 1.21860 0.99173 1.01892 0.96838 1.22517 0.96272 1.02672 1.02604 1.22862 1.01940 0.96397 0.95221 0.93223 0.93883 0.92504 0.88038 0.93423 0.92327 0.90256 0.90482 0.92096 0.90371 0.91823 0.91418 0.76102 0.92222 0.91235 0.89252 0.91514 0.90203 0.91499 0.89277 0.91226 0.92231 0.90774 0.90704 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 -0.16 -2.86 10.15 37.16 0.38 -2.48 16 2 C 0.10 2.19 5.41 -4.04 -0.02 2.17 16 3 N -0.45 -11.04 2.50 -114.81 -0.29 -11.33 16 4 C -0.31 -8.46 8.84 -14.93 -0.13 -8.59 16 5 H 0.09 2.46 7.82 -52.49 -0.41 2.05 16 6 C 0.04 0.99 4.95 -17.47 -0.09 0.90 16 7 N -0.87 -23.60 11.61 55.50 0.64 -22.96 16 8 Si 0.92 20.69 29.59 -169.99 -5.03 15.66 16 9 H -0.27 -6.24 7.11 56.52 0.40 -5.84 16 10 H -0.29 -6.31 7.11 56.52 0.40 -5.91 16 11 H -0.27 -6.04 7.11 56.52 0.40 -5.64 16 12 C 0.46 10.88 7.38 -10.98 -0.08 10.80 16 13 O -0.58 -15.48 14.70 5.55 0.08 -15.40 16 14 C -0.13 -2.20 3.71 -27.88 -0.10 -2.31 16 15 C -0.07 -1.01 2.47 -88.97 -0.22 -1.23 16 16 H 0.08 1.43 8.02 -51.93 -0.42 1.01 16 17 C -0.11 -1.64 5.40 -25.61 -0.14 -1.78 16 18 C -0.14 -1.75 6.53 -25.61 -0.17 -1.92 16 19 C 0.16 1.85 3.16 -66.27 -0.21 1.64 16 20 H 0.10 1.26 7.66 -51.93 -0.40 0.87 16 21 N -0.70 -7.45 5.12 -57.11 -0.29 -7.74 16 22 C 0.65 8.00 8.05 54.06 0.44 8.44 16 23 O -0.57 -8.30 11.59 -19.28 -0.22 -8.52 16 24 O -0.37 -4.04 9.94 -40.31 -0.40 -4.44 16 25 C 0.14 1.24 1.13 -90.62 -0.10 1.14 16 26 C -0.18 -1.67 8.37 37.16 0.31 -1.36 16 27 C -0.14 -0.89 8.85 37.16 0.33 -0.56 16 28 C -0.18 -1.64 8.37 37.16 0.31 -1.33 16 29 C -0.13 -1.42 5.92 -24.75 -0.15 -1.57 16 30 H 0.05 0.72 8.14 -51.93 -0.42 0.30 16 31 H 0.04 0.69 6.60 -51.93 -0.34 0.35 16 32 H 0.06 1.06 8.14 -51.93 -0.42 0.63 16 33 H 0.10 2.39 5.76 -51.93 -0.30 2.09 16 34 H 0.05 0.91 6.66 -51.93 -0.35 0.56 16 35 H 0.27 6.83 8.31 -40.82 -0.34 6.49 16 36 H 0.08 1.29 7.41 -51.93 -0.38 0.91 16 37 H 0.08 1.18 6.44 -51.93 -0.33 0.85 16 38 H 0.06 0.95 7.77 -51.93 -0.40 0.55 16 39 H 0.08 1.39 7.60 -51.93 -0.39 1.00 16 40 H 0.06 0.78 8.04 -51.93 -0.42 0.36 16 41 H 0.07 0.92 8.14 -51.93 -0.42 0.50 16 42 H 0.40 3.38 8.64 -40.82 -0.35 3.02 16 43 H 0.06 0.52 8.14 -51.93 -0.42 0.10 16 44 H 0.07 0.50 8.14 -51.93 -0.42 0.07 16 45 H 0.09 1.04 5.88 -51.93 -0.31 0.74 16 46 H 0.07 0.40 8.14 -51.93 -0.42 -0.02 16 47 H 0.08 0.37 8.14 -51.93 -0.42 -0.05 16 48 H 0.07 0.41 8.14 -51.93 -0.42 -0.01 16 49 H 0.09 1.02 5.88 -51.93 -0.31 0.72 16 50 H 0.07 0.49 8.14 -51.92 -0.42 0.07 16 51 H 0.06 0.50 8.14 -51.93 -0.42 0.08 16 52 H 0.07 0.77 8.14 -51.93 -0.42 0.35 16 53 H 0.07 0.73 7.94 -51.93 -0.41 0.32 16 LS Contribution 411.04 15.07 6.19 6.19 Total: -1.00 -31.80 411.04 -8.27 -40.06 By element: Atomic # 1 Polarization: 15.81 SS G_CDS: -9.31 Total: 6.50 kcal Atomic # 6 Polarization: 1.61 SS G_CDS: 0.35 Total: 1.96 kcal Atomic # 7 Polarization: -42.09 SS G_CDS: 0.06 Total: -42.03 kcal Atomic # 8 Polarization: -27.82 SS G_CDS: -0.54 Total: -28.36 kcal Atomic # 14 Polarization: 20.69 SS G_CDS: -5.03 Total: 15.66 kcal Total LS contribution 6.19 Total: 6.19 kcal Total: -31.80 -8.27 -40.06 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. ZINC001136377464.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 -94.458 kcal (2) G-P(sol) polarization free energy of solvation -31.798 kcal (3) G-ENP(sol) elect.-nuc.-pol. free energy of system -126.256 kcal (4) G-CDS(sol) cavity-dispersion-solvent structure free energy -8.266 kcal (5) G-P-CDS(sol) = G-P(sol) + G-CDS(sol) = (2) + (4) -40.064 kcal (6) G-S(sol) free energy of system = (1) + (5) -134.522 kcal 1SCF WAS SPECIFIED, SO GEOMETRY OPTIMIZATION WAS NOT USED Total computer time = 1.23 seconds