WebMO Job Summary

567313: 9. Acetic Acid (C2H4O2), Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-311+G(2d,p) OPT FREQ Geom=Connectivity
Stoichiometry C2H4O2
Symmetry C1
Basis 6-311+G(2d,p)
RHF Energy -227.887288154 Hartree
MP2 Energy -228.61623739986 Hartree
ZPE 0.062163 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -228.549519 Hartree
Enthalpy -228.548575 Hartree
Free Energy -228.581225 Hartree
Cv 14.263 cal/mol-K
Entropy 68.718 cal/mol-K
Dipole Moment 1.9891 Debye
Server chem344 (2213351)
CPU time 1628.6 sec

Geometry Sequence Energies

Step Energy  
0 -227.886919208  
1 -227.887299684  
2 -227.887317213  
3 -227.887316836  
4 -227.887288154  
5 -227.887288154  
6 -227.887288154  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 11.25321 0.37536668117
b 9.49540 0.31673245095
c 5.31945 0.17743775262

Partial Charges

Atom Symbol Charge
1 C -0.380972  
2 C 0.680211  
3 O -0.505541  
4 H 0.324514  
5 O -0.571674  
6 H 0.154445  
7 H 0.149459  
8 H 0.149556  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A 75.8807 0.2230
2 A 425.2994 4.2605
3 A 548.3750 33.6258
4 A 586.1456 36.4080
5 A 659.7029 93.2669
6 A 868.4382 7.2037
7 A 1006.2902 77.7037
8 A 1080.2813 5.6074
9 A 1203.9412 212.5720
10 A 1347.0689 44.4644
11 A 1433.1487 51.5237
12 A 1501.7109 17.0042
13 A 1508.2725 9.3599
14 A 1799.7284 294.3316
15 A 3094.6285 1.0659
16 A 3175.3048 1.3226
17 A 3214.3826 2.0862
18 A 3757.7650 79.4249
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

EVERY WORD THAT YOU WRITE IS A BLOW THAT SMITES THE DEVIL. -- ST. BERNARD OF CLAIRVAUX