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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B2PLYP=FULLultrafine/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-193.083244
Energy at 298.15K 
HF Energy-192.815134
Nuclear repulsion energy118.698939
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 B2PLYP=FULLultrafine/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3138 3138 17.83      
2 A' 3070 3070 16.92      
3 A' 3031 3031 25.23      
4 A' 2908 2908 124.52      
5 A' 1780 1780 149.55      
6 A' 1516 1516 7.04      
7 A' 1463 1463 15.77      
8 A' 1433 1433 13.16      
9 A' 1416 1416 2.41      
10 A' 1378 1378 9.50      
11 A' 1122 1122 13.07      
12 A' 1012 1012 1.04      
13 A' 862 862 21.72      
14 A' 672 672 6.06      
15 A' 255 255 8.37      
16 A" 3140 3140 18.57      
17 A" 3055 3055 7.59      
18 A" 1510 1510 7.04      
19 A" 1294 1294 0.30      
20 A" 1156 1156 0.56      
21 A" 910 910 1.27      
22 A" 673 673 3.05      
23 A" 229 229 0.54      
24 A" 143 143 2.90      

Unscaled Zero Point Vibrational Energy (zpe) 18583.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18583.7 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 B2PLYP=FULLultrafine/daug-cc-pVTZ
ABC
0.56267 0.19628 0.15365

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.451 0.461 0.000
C2 0.000 0.909 0.000
C3 -0.995 -0.216 0.000
O4 -0.709 -1.390 0.000
H5 2.117 1.321 0.000
H6 1.669 -0.145 0.876
H7 1.669 -0.145 -0.876
H8 -0.231 1.535 0.867
H9 -0.231 1.535 -0.867
H10 -2.056 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51852.53762.84441.08761.08721.08722.17582.17583.5250
C21.51851.50182.40602.15622.15962.15961.09421.09422.2096
C32.53761.50181.20833.47022.80522.80522.09792.09791.1063
O42.84442.40601.20833.91572.82382.82383.08793.08792.0071
H51.08762.15623.47023.91571.76521.76522.51182.51184.3475
H61.08722.15962.80522.82381.76521.75252.53593.07753.8340
H71.08722.15962.80522.82381.76521.75253.07752.53593.8340
H82.17581.09422.09793.08792.51182.53593.07751.73492.4788
H92.17581.09422.09793.08792.51183.07752.53591.73492.4788
H103.52502.20961.10632.00714.34753.83403.83402.47882.4788

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.316 C1 C2 H8 111.744
C1 C2 H9 111.744 C2 C1 H5 110.574
C2 C1 H6 110.865 C2 C1 H7 110.865
C2 C3 O4 124.835 C2 C3 H10 114.975
C3 C2 H8 106.771 C3 C2 H9 106.771
O4 C3 H10 120.190 H5 C1 H6 108.515
H5 C1 H7 108.515 H6 C1 H7 107.401
H8 C2 H9 104.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability