WebMO Job Summary

201083: Acetic Anhydride, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N M062X/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C4H6O3
Symmetry C2
Basis 6-31G(d)
RM062X Energy -381.566636619 Hartree
ZPE 0.100242 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -381.458388 Hartree
Enthalpy -381.457443 Hartree
Free Energy -381.499063 Hartree
Cv 25.940 cal/mol-K
Entropy 87.596 cal/mol-K
Dipole Moment 3.8920 Debye
Server batch (203473)
CPU time 624.9 sec

Geometry Sequence Energies

Step Energy  
0 -381.565342939  
1 -381.566553232  
2 -381.566578310  
3 -381.566578452  
4 -381.566634664  
5 -381.566636373  
6 -381.566636572  
7 -381.566636619  
8 -381.566636619  
9 -381.566636619  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 5.52984 0.18445560762
b 1.82650 0.06092548199
c 1.51982 0.05069573832

Partial Charges

Atom Symbol Charge
1 C -0.562278  
2 C 0.610503  
3 O -0.514160  
4 C 0.610503  
5 C -0.562278  
6 H 0.206770  
7 H 0.202833  
8 H 0.206197  
9 O -0.406945  
10 O -0.406945  
11 H 0.206770  
12 H 0.202833  
13 H 0.206197  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A 49.3206 1.6667
2 B 82.8102 1.8645
3 B 117.0546 0.1448
4 A 119.2568 0.0236
5 A 198.2545 1.0210
6 A 343.2801 1.1387
7 B 421.3576 0.0737
8 B 536.0442 26.2156
9 A 561.3817 0.0197
10 B 600.0210 24.8959
11 A 690.1333 0.7265
12 A 853.6348 16.1092
13 B 939.8933 18.9451
14 B 1041.0127 161.2917
15 A 1042.6986 1.7887
16 B 1077.3197 14.1310
17 A 1086.6224 2.5613
18 B 1211.7826 885.4220
19 A 1276.7185 2.8653
20 B 1424.4307 103.3956
21 A 1430.3892 9.2428
22 B 1498.1430 6.6115
23 A 1499.0947 18.4666
24 B 1502.5152 12.6699
25 A 1502.9455 4.1605
26 B 1914.6697 101.0598
27 A 1987.7798 357.6179
28 B 3100.6827 0.1297
29 A 3100.8267 0.2866
30 A 3175.1834 0.7796
31 B 3175.2002 2.1219
32 B 3220.3953 4.7720
33 A 3220.4897 0.6320
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

IT'S WHAT A FELLER THINKS HE KNOWS THAT HURTS HIM... ------ KIN HUBBARD