WebMO Job Summary

610716: C4H4O2, 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 -305.237820682 Hartree
ZPE 0.072941 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -305.159731 Hartree
Enthalpy -305.158787 Hartree
Free Energy -305.193329 Hartree
Cv 18.481 cal/mol-K
Entropy 72.701 cal/mol-K
Dipole Moment 3.4684 Debye
Server default (2770251)
CPU time 275.8 sec

Geometry Sequence Energies

Step Energy  
0 -305.228148495  
1 -305.236585302  
2 -305.237639051  
3 -305.237792217  
4 -305.237818177  
5 -305.237820682  
6 -305.237820682  
7 -305.237820682  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 12.14497 0.40511259293
b 2.76450 0.09221379412
c 2.28474 0.07621072309

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A" 137.2538 0.9877
2 A' 317.8538 0.7992
3 A" 461.3393 4.0775
4 A" 513.5018 3.5319
5 A' 525.9480 2.9970
6 A' 677.5193 0.7674
7 A" 738.6204 0.0000
8 A' 821.8219 18.8536
9 A" 859.6330 55.5687
10 A' 909.2265 147.8486
11 A' 995.1226 4.1614
12 A" 995.9235 5.3256
13 A' 1037.0341 151.5015
14 A" 1122.9458 0.7061
15 A' 1223.5944 0.3223
16 A' 1279.6355 88.9667
17 A' 1443.1227 3.5292
18 A' 1475.2420 9.6552
19 A' 1787.3776 260.8548
20 A' 1978.2623 352.5743
21 A' 3095.8691 2.4932
22 A" 3146.4456 1.2173
23 A' 3193.7312 0.1883
24 A' 3280.2530 1.4732
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

IT IS UNWORTHY OF EXCELLENT MEN TO LOSE HOURS LIKE SLAVES IN THE LABOR OF CALCULATION WHICH COULD BE SAFELY RELEGATED TO ANYONE ELSE IF A MACHINE WERE USED. -- G.W. VON LEIBNIZ