WebMO Job Summary

402042: C4H8O2 342 EtOAc, 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
Stoichiometry C4H8O2
Symmetry CS
Basis 6-311+G(2d,p)
RB3LYP Energy -307.811504431 Hartree
ZPE 0.117479 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -307.686579 Hartree
Enthalpy -307.685635 Hartree
Free Energy -307.726125 Hartree
Cv 24.436 cal/mol-K
Entropy 85.219 cal/mol-K
Dipole Moment 2.1002 Debye
Server batch (413212)
CPU time 804.1 sec

Geometry Sequence Energies

Step Energy  
0 -307.811501351  
1 -307.811504431  
2 -307.811504431  
3 -307.811504431  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 8.45761 0.28211550272
b 2.07858 0.06933396570
c 1.72201 0.05744007076

Partial Charges

Atom Symbol Charge
1 C -0.506240  
2 C 0.636918  
3 O -0.396798  
4 C 0.124437  
5 C -0.461778  
6 H 0.126516  
7 H 0.123694  
8 H 0.123694  
9 H 0.128094  
10 H 0.128094  
11 O -0.454385  
12 H 0.146950  
13 H 0.140402  
14 H 0.140402  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A" 55.5763 0.5034
2 A" 66.7870 0.2560
3 A" 151.3836 4.9509
4 A' 193.6838 5.8521
5 A" 259.9383 0.9914
6 A' 367.8187 8.2081
7 A' 431.5316 1.0239
8 A" 611.4575 4.8448
9 A' 635.8259 4.6912
10 A" 813.6014 0.6789
11 A' 857.3873 9.9117
12 A' 943.6237 9.3043
13 A' 1012.0856 3.9035
14 A' 1062.6258 132.8506
15 A" 1069.5342 5.7862
16 A' 1136.1127 11.2565
17 A" 1178.2924 3.7313
18 A' 1260.2079 413.2229
19 A" 1297.2295 0.9463
20 A' 1392.5871 15.7368
21 A' 1406.3180 33.7782
22 A' 1427.5501 4.7938
23 A' 1472.4991 16.1724
24 A" 1478.5771 8.6232
25 A" 1487.7216 7.1909
26 A' 1498.7068 3.0778
27 A' 1518.0234 7.1333
28 A' 1783.6457 284.9430
29 A' 3036.2788 16.9673
30 A' 3049.3834 1.3936
31 A' 3052.8454 15.3616
32 A" 3085.1380 1.3069
33 A' 3100.5547 24.4984
34 A" 3106.1700 4.7842
35 A" 3112.3428 38.3208
36 A' 3154.4937 6.5215
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

IF YOU WANT TO LEARN FROM THE THEORETICAL PHYSICISTS ABOUT THE METHODS WHICH THEY USE, I ADVISE YOU TO FOLLOW THIS PRINCIPLE VERY STRICTLY: DON'T LISTEN TO THEIR WORDS; PAY ATTENTION, INSTEAD, TO THEIR ACTIONS. -- A.EINSTEIN, 1934