WebMO Job Summary

350725: Acetic Acid, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-31G(d) OPT FREQ SCRF=(PCM,Solvent=Water) Geom=Connectivity
Stoichiometry C2H4O2
Symmetry C1
Basis 6-31G(d)
RHF Energy -227.815377839 Hartree
MP2 Energy -228.42540887262 Hartree
ZPE 0.062882 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -228.358021 Hartree
Enthalpy -228.357076 Hartree
Free Energy -228.389586 Hartree
Cv 14.071 cal/mol-K
Entropy 68.423 cal/mol-K
Dipole Moment 2.2861 Debye
Server batch (360061)
CPU time 113.5 sec

Geometry Sequence Energies

Step Energy  
0 -227.815205075  
1 -227.815320231  
2 -227.815340859  
3 -227.815370426  
4 -227.815377839  
5 -227.815377839  
6 -227.815377839  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 11.19143 0.37330592219
b 9.46631 0.31576211300
c 5.29728 0.17669824102

Partial Charges

Atom Symbol Charge
1 C -0.574128  
2 C 0.765115  
3 O -0.621627  
4 O -0.711384  
5 H 0.486440  
6 H 0.221708  
7 H 0.212142  
8 H 0.221735  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A 84.5534 1.0585
2 A 432.3660 6.2000
3 A 559.3341 34.2075
4 A 582.4307 66.7288
5 A 672.4596 153.9800
6 A 890.8049 4.2827
7 A 1034.2213 97.1122
8 A 1099.8573 10.7425
9 A 1227.1895 285.6250
10 A 1384.0760 57.2544
11 A 1463.2778 92.6884
12 A 1523.5076 22.6527
13 A 1525.5640 13.8937
14 A 1834.8285 381.7349
15 A 3131.9261 0.6618
16 A 3218.2030 1.9767
17 A 3255.5810 5.2148
18 A 3681.9298 108.7538
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

TO ERR IS HUMAN - AND TO BLAME IT ON A COMPUTER IS EVEN MORE SO.