WebMO Job Summary

359118: Acetaldehyde (C2H4O), Optimize + Vib Freq - Gaussian

Calculated Quantities

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Overview

Quantity Value
Route #N MP2/6-31G(d) OPT FREQ Geom=Connectivity
Stoichiometry C2H4O
Symmetry C1
Basis 6-31G(d)
RHF Energy -152.913349327 Hartree
MP2 Energy -153.34691944139 Hartree
ZPE 0.056957 Hartree
Conditions 298.150K, 1.00000 atm
Internal Energy -153.286079 Hartree
Enthalpy -153.285134 Hartree
Free Energy -153.314952 Hartree
Cv 11.000 cal/mol-K
Entropy 62.755 cal/mol-K
Dipole Moment 3.1773 Debye
Server batch (368837)
CPU time 37.1 sec

Geometry Sequence Energies

Step Energy  
0 -152.909673874  
1 -152.912132513  
2 -152.910369056  
3 -152.912326502  
4 -152.912705993  
5 -152.909076662  
6 -152.913249265  
7 -152.913318550  
8 -152.913352952  
9 -152.913349327  
10 -152.913349327  
11 -152.913349327  
Animation speed  
Loop  

Rotational Constants

Constant Frequency (GHz) Frequency (cm-1)
a 56.45308 1.88307205513
b 10.07375 0.33602413040
c 9.02645 0.30108996271

Partial Charges

Atom Symbol Charge
1 C -0.582151  
2 C 0.335490  
3 O -0.489926  
4 H 0.146449  
5 H 0.189668  
6 H 0.189636  
7 H 0.210834  

Vibrational Modes

Mode Symmetry Frequency (cm-1) IR (Raman) Intensity Actions
1 A 146.9872 0.5057
2 A 514.0652 13.1431
3 A 797.4379 0.9890
4 A 925.0328 6.0256
5 A 1166.6210 21.9582
6 A 1168.5584 0.6746
7 A 1438.3177 17.7473
8 A 1466.3502 12.7881
9 A 1526.9520 17.7477
10 A 1534.3935 10.5904
11 A 1796.1618 97.3512
12 A 2992.9518 120.1651
13 A 3105.5438 1.7190
14 A 3185.7280 5.7596
15 A 3236.2459 5.7179
Frequency Scale Factor
Normal Mode Amplitude
Animation Speed
IR Spectrum  
Peak Width (cm-1)

Quote

ABALONE: AN EXPRESSION OF DISBELIEF.