WebMO Job Summary

556611: C4H4O2 diketene isomer, Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N B3LYP/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C4H4O2
Symmetry CS
Basis 6-31G(d)
RB3LYP Energy -305.219096741 Hartree
ZPE 0.073442 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -305.140485 Hartree
Enthalpy -305.139540 Hartree
Free Energy -305.174134 Hartree
Cv 18.680 cal/mol-K
Entropy 72.809 cal/mol-K
Dipole Moment 4.3360 Debye
Server batch (569674)
CPU time 420 sec

Geometry Sequence Energies

Step Energy  
0 -305.204042832  
1 -305.217782086  
2 -305.218981237  
3 -305.219089976  
4 -305.219096741  
5 -305.219096741  
6 -305.219096741  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 12.21810 0.40755194715
b 2.53621 0.08459885939
c 2.12886 0.07101112597

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A" 145.2479 1.7004
2 A' 344.0514 9.2378
3 A" 481.3051 66.5398
4 A' 512.6377 7.7004
5 A" 539.8350 43.0610
6 A" 586.3067 25.2899
7 A' 626.1824 0.7362
8 A' 751.9531 0.8846
9 A" 828.2486 53.8068
10 A' 1009.1356 11.4228
11 A' 1024.1983 38.0372
12 A" 1025.9440 0.2430
13 A" 1102.1216 0.4832
14 A' 1175.2292 102.6817
15 A' 1214.9764 117.9601
16 A' 1232.0526 27.2469
17 A' 1454.6123 18.0597
18 A' 1500.0259 6.7880
19 A' 1664.8365 485.9199
20 A' 1879.7776 276.9124
21 A' 3069.6168 17.4004
22 A" 3119.8176 14.4816
23 A' 3240.4331 3.5535
24 A' 3708.8816 59.1490
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

Discoveries are often made by not following instructions, by going off the main road, by trying the untried. -- Frank Tyger