WebMO Job Summary

61826: C2H4O2 acetic acid syn, 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 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 class (62618)
CPU time 55.8 sec

Geometry Sequence Energies

Step Energy (au)  
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

Partial Charges

Atom Symbol Charge
1 C -0.515310  
2 C 0.555794  
3 O -0.556192  
4 H 0.408385  
5 O -0.450742  
6 H 0.186225  
7 H 0.185920  
8 H 0.185920  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR Intensity Actions
1 A" 74.45 (77.5525) 0.6122
2 A' 403.04 (419.8303) 4.3870
3 A" 524.03 (545.8653) 19.5042
4 A' 558.79 (582.0687) 42.4386
5 A" 660.84 (688.3757) 110.2868
6 A' 831.73 (866.3901) 2.6325
7 A' 969.16 (1009.5411) 60.3041
8 A" 1036.71 (1079.9065) 9.1742
9 A' 1177.18 (1226.2325) 213.6828
10 A' 1309.81 (1364.3878) 27.0480
11 A' 1376.81 (1434.1802) 54.4854
12 A' 1440.95 (1500.9941) 13.8193
13 A" 1445.06 (1505.2730) 8.5892
14 A' 1783.70 (1858.0160) 286.3902
15 A' 2949.90 (3072.8121) 2.0331
16 A" 3009.13 (3134.5114) 5.5473
17 A' 3059.40 (3186.8802) 6.1617
18 A' 3538.98 (3686.4362) 40.7876
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

THE CAUTIOUS SELDOM ERR...CONFUCIUS