WebMO Job Summary

122495: C4H8O2 ethyl acetate, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N B3LYP/6-311+G(2d,p) OPT FREQ Geom=Connectivity
Method B3LYP
Stoichiometry C4H8O2
Symmetry CS
Basis 6-311+G(2d,p)
RB3LYP Energy -307.811493594 Hartree
ZPE 0.117416 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -307.686602 Hartree
Enthalpy -307.685658 Hartree
Free Energy -307.726400 Hartree
Cv 24.447 cal/mol-K
Entropy 85.747 cal/mol-K
Dipole Moment 2.0979 Debye
Server class (123279)
CPU time 698.5 sec

Geometry Sequence Energies

Step Energy (au)  
0 -307.781240747  
1 -307.808629748  
2 -307.811335838  
3 -307.811483549  
4 -307.811493594  
5 -307.811493594  
6 -307.811493594  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 8.45737 0.28210749718
b 2.07823 0.06932229096
c 1.72178 0.05743239878

Partial Charges

Atom Symbol Charge
1 C -0.506259  
2 C 0.636837  
3 O -0.396692  
4 C 0.124233  
5 C -0.461632  
6 H 0.126477  
7 H 0.123687  
8 H 0.123687  
9 H 0.128100  
10 H 0.128100  
11 O -0.454332  
12 H 0.147033  
13 H 0.140381  
14 H 0.140381  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR Intensity Actions
1 A" 43.6840 0.3165
2 A" 65.0153 0.3484
3 A" 151.8982 5.0588
4 A' 193.1431 5.8117
5 A" 260.5448 0.9649
6 A' 367.8162 8.2025
7 A' 431.0024 1.0275
8 A" 611.4497 4.8482
9 A' 635.5045 4.7235
10 A" 813.0932 0.6928
11 A' 857.0680 9.8938
12 A' 942.9835 9.1294
13 A' 1011.3084 4.1023
14 A' 1062.5898 131.8380
15 A" 1069.4684 5.7824
16 A' 1135.8394 11.4653
17 A" 1178.4371 3.7150
18 A' 1259.6761 414.4861
19 A" 1296.4207 0.9527
20 A' 1392.2073 15.0110
21 A' 1405.5787 33.9565
22 A' 1426.0200 4.8157
23 A' 1472.3022 16.2001
24 A" 1478.6777 8.6268
25 A" 1487.2008 7.1628
26 A' 1498.6416 3.1107
27 A' 1518.2371 7.1386
28 A' 1783.0745 284.6827
29 A' 3035.8239 16.9407
30 A' 3049.0360 0.9566
31 A' 3051.4882 15.9943
32 A" 3083.8972 1.4510
33 A' 3100.5984 24.3569
34 A" 3106.3958 4.6763
35 A" 3111.4135 38.3109
36 A' 3152.2139 6.5574
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

IT TAKES GREATER CHARACTER TO CARRY OFF GOOD FORTUNE THAN BAD. FRENCH PROVERB.