WebMO Job Summary

61834: 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
Method B3LYP
Stoichiometry C2H4O2
Symmetry C1
Basis 6-31G(d)
RB3LYP Energy -229.081786477 Hartree
ZPE 0.062055 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -229.015187 Hartree
Enthalpy -229.014242 Hartree
Free Energy -229.046864 Hartree
Cv 14.208 cal/mol-K
Entropy 68.658 cal/mol-K
Dipole Moment 1.5784 Debye
Server class (62626)
CPU time 125.2 sec

Geometry Sequence Energies

Step Energy (au)  
0 -229.079987380  
1 -229.081752096  
2 -229.081781595  
3 -229.081754533  
4 -229.081784853  
5 -229.081786249  
6 -229.081786305  
7 -229.081786374  
8 -229.081786421  
9 -229.081786460  
10 -229.081786477  
11 -229.081786477  
12 -229.081786477  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 11.27671 0.37615055680
b 9.40878 0.31384311876
c 5.29784 0.17671692061

Partial Charges

Atom Symbol Charge
1 C -0.515292  
2 C 0.555799  
3 O -0.556258  
4 H 0.408373  
5 O -0.450702  
6 H 0.185941  
7 H 0.185934  
8 H 0.186206  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR Intensity Actions
1 A 75.11 (78.2410) 0.6157
2 A 403.03 (419.8231) 4.3808
3 A 523.82 (545.6471) 19.7296
4 A 558.71 (581.9892) 42.4198
5 A 660.35 (687.8686) 110.0676
6 A 831.68 (866.3287) 2.6277
7 A 969.01 (1009.3884) 60.4359
8 A 1036.70 (1079.8969) 9.1764
9 A 1176.99 (1226.0331) 213.7420
10 A 1309.62 (1364.1881) 27.0395
11 A 1376.74 (1434.1057) 54.3567
12 A 1440.94 (1500.9818) 13.8045
13 A 1445.15 (1505.3650) 8.5899
14 A 1783.79 (1858.1119) 286.4105
15 A 2949.99 (3072.9044) 2.0294
16 A 3009.24 (3134.6273) 5.5420
17 A 3059.53 (3187.0114) 6.1723
18 A 3538.88 (3686.3331) 40.7773
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

PICNIC: A SNACK IN THE GRASS.