WebMO Job Summary

556904: C2H4O2 acetic acid, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N B3LYP/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C2H4O2
Symmetry CS
Basis 6-31G(d)
RB3LYP Energy -229.081786793 Hartree
ZPE 0.062056 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -229.015185 Hartree
Enthalpy -229.014241 Hartree
Free Energy -229.046870 Hartree
Cv 14.206 cal/mol-K
Entropy 68.674 cal/mol-K
Dipole Moment 1.5786 Debye
Server batch (569967)
CPU time 264.1 sec

Geometry Sequence Energies

Step Energy  
0 -229.045204750  
1 -229.076835983  
2 -229.081626734  
3 -229.081770188  
4 -229.081786347  
5 -229.081786793  
6 -229.081786793  
7 -229.081786793  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 11.27754 0.37617824262
b 9.40866 0.31383911599
c 5.29797 0.17672125694

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A" 77.5525 0.6122
2 A' 419.8303 4.3870
3 A" 545.8653 19.5042
4 A' 582.0687 42.4386
5 A" 688.3757 110.2868
6 A' 866.3901 2.6325
7 A' 1009.5411 60.3041
8 A" 1079.9065 9.1742
9 A' 1226.2325 213.6828
10 A' 1364.3878 27.0480
11 A' 1434.1802 54.4854
12 A' 1500.9941 13.8193
13 A" 1505.2730 8.5892
14 A' 1858.0160 286.3902
15 A' 3072.8121 2.0331
16 A" 3134.5114 5.5473
17 A' 3186.8802 6.1617
18 A' 3686.4362 40.7876
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

SI MONUMENTUM REQUIRIS, CIRCUMSPICE -- FROM SIR CHRISTOPHER WREN'S TOMBSTONE