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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-192.846651
Energy at 298.15K-192.853047
HF Energy-192.020854
Nuclear repulsion energy119.047264
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 MP2=FULL/6-311+G(3df,2p)
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' 3191 3009 13.14      
2 A' 3100 2922 14.51      
3 A' 3068 2892 19.91      
4 A' 2959 2790 111.35      
5 A' 1781 1679 118.88      
6 A' 1523 1436 7.51      
7 A' 1468 1384 16.72      
8 A' 1436 1353 12.77      
9 A' 1419 1337 1.46      
10 A' 1381 1302 9.82      
11 A' 1132 1067 11.28      
12 A' 1016 958 0.92      
13 A' 884 833 21.05      
14 A' 675 636 5.79      
15 A' 261 246 8.16      
16 A" 3191 3009 13.10      
17 A" 3109 2930 5.03      
18 A" 1517 1430 7.82      
19 A" 1292 1218 0.26      
20 A" 1153 1087 0.73      
21 A" 908 856 1.08      
22 A" 675 636 3.28      
23 A" 244 230 0.38      
24 A" 147 139 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 18763.5 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 17688.4 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 MP2=FULL/6-311+G(3df,2p)
ABC
0.55920 0.19978 0.15550

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.440 0.446 0.000
C2 0.000 0.914 0.000
C3 -0.993 -0.208 0.000
O4 -0.699 -1.382 0.000
H5 2.120 1.293 0.000
H6 1.646 -0.163 0.875
H7 1.646 -0.163 -0.875
H8 -0.226 1.539 0.868
H9 -0.226 1.539 -0.868
H10 -2.055 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51362.51892.81311.08631.08631.08632.17262.17263.5117
C21.51361.49782.39922.15352.15312.15311.09311.09312.2106
C32.51891.49781.21003.45582.78092.78092.09602.09601.1052
O42.81312.39921.21003.88572.78392.78393.08333.08332.0073
H51.08632.15353.45583.88571.76381.76382.51292.51294.3423
H61.08632.15312.78092.78391.76381.75042.53023.07233.8122
H71.08632.15312.78092.78391.76381.75043.07232.53023.8122
H82.17261.09312.09603.08332.51292.53023.07231.73532.4848
H92.17261.09312.09603.08332.51293.07232.53021.73532.4848
H103.51172.21061.10522.00734.34233.81223.81222.48482.4848

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.533 C1 C2 H8 111.902
C1 C2 H9 111.902 C2 C1 H5 110.778
C2 C1 H6 110.745 C2 C1 H7 110.745
C2 C3 O4 124.410 C2 C3 H10 115.436
C3 C2 H8 106.950 C3 C2 H9 106.950
O4 C3 H10 120.153 H5 C1 H6 108.556
H5 C1 H7 108.556 H6 C1 H7 107.352
H8 C2 H9 105.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability