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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-192.606669
Energy at 298.15K-192.613097
HF Energy-191.960921
Nuclear repulsion energy118.817492
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP3=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3243 3243 20.85      
2 A' 3156 3156 15.33      
3 A' 3125 3125 23.51      
4 A' 3039 3039 111.83      
5 A' 1895 1895 109.28      
6 A' 1567 1567 6.69      
7 A' 1529 1529 8.46      
8 A' 1490 1490 8.93      
9 A' 1472 1472 5.49      
10 A' 1431 1431 6.52      
11 A' 1157 1157 14.30      
12 A' 1039 1039 0.81      
13 A' 898 898 16.60      
14 A' 690 690 8.63      
15 A' 270 270 9.05      
16 A" 3247 3247 20.87      
17 A" 3163 3163 11.64      
18 A" 1563 1563 4.89      
19 A" 1329 1329 0.43      
20 A" 1194 1194 0.16      
21 A" 931 931 1.63      
22 A" 703 703 2.10      
23 A" 243 243 0.33      
24 A" 139 139 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 19255.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19255.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G**
ABC
0.55557 0.19917 0.15488

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.444 0.442 0.000
C2 0.000 0.919 0.000
C3 -0.999 -0.209 0.000
O4 -0.700 -1.382 0.000
H5 2.126 1.287 0.000
H6 1.646 -0.167 0.876
H7 1.646 -0.167 -0.876
H8 -0.216 1.545 0.869
H9 -0.216 1.545 -0.869
H10 -2.058 0.097 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52052.52762.81441.08651.08611.08612.17392.17393.5182
C21.52051.50642.40492.15802.15782.15781.09251.09252.2156
C32.52761.50641.21043.46472.78612.78612.10802.10801.1022
O42.81442.40491.21043.88732.78292.78293.09123.09122.0077
H51.08652.15803.46473.88731.76461.76462.51152.51154.3499
H61.08612.15782.78612.78291.76461.75222.52943.07293.8148
H71.08612.15782.78612.78291.76461.75223.07292.52943.8148
H82.17391.09252.10803.09122.51152.52943.07291.73772.4986
H92.17391.09252.10803.09122.51153.07292.52941.73772.4986
H103.51822.21561.10222.00774.34993.81483.81482.49862.4986

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.241 C1 C2 H8 111.560
C1 C2 H9 111.560 C2 C1 H5 110.645
C2 C1 H6 110.651 C2 C1 H7 110.651
C2 C3 O4 124.181 C2 C3 H10 115.408
C3 C2 H8 107.339 C3 C2 H9 107.339
O4 C3 H10 120.410 H5 C1 H6 108.628
H5 C1 H7 108.628 H6 C1 H7 107.545
H8 C2 H9 105.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability