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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-192.591415
Energy at 298.15K-192.597793
HF Energy-191.964184
Nuclear repulsion energy118.383803
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/6-31+G**
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' 3234 3037 17.21      
2 A' 3137 2946 18.14      
3 A' 3105 2917 23.35      
4 A' 3010 2827 118.50      
5 A' 1769 1661 112.88      
6 A' 1546 1452 7.37      
7 A' 1501 1410 13.78      
8 A' 1467 1378 11.53      
9 A' 1442 1354 2.11      
10 A' 1408 1322 8.93      
11 A' 1147 1077 11.71      
12 A' 1031 968 1.17      
13 A' 889 835 18.98      
14 A' 678 637 5.87      
15 A' 260 245 8.35      
16 A" 3239 3042 17.39      
17 A" 3152 2960 8.04      
18 A" 1542 1448 7.39      
19 A" 1308 1228 0.77      
20 A" 1173 1102 0.69      
21 A" 920 864 1.03      
22 A" 691 649 2.65      
23 A" 240 226 0.30      
24 A" 132 124 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 19010.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 17854.4 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/6-31+G**
ABC
0.55442 0.19711 0.15356

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.446 0.454 0.000
C2 0.000 0.918 0.000
C3 -0.997 -0.207 0.000
O4 -0.702 -1.397 0.000
H5 2.120 1.308 0.000
H6 1.656 -0.153 0.877
H7 1.656 -0.153 -0.877
H8 -0.224 1.542 0.870
H9 -0.224 1.542 -0.870
H10 -2.058 0.099 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51872.53142.83551.08791.08731.08732.17512.17513.5226
C21.51871.50342.41852.15542.15852.15851.09411.09412.2154
C32.53141.50341.22553.46602.79532.79532.10112.10111.1043
O42.83552.41851.22553.90892.80672.80673.10173.10172.0188
H51.08792.15543.46603.90891.76631.76632.51122.51124.3498
H61.08732.15852.79532.80671.76631.75432.53173.07613.8251
H71.08732.15852.79532.80671.76631.75433.07612.53173.8251
H82.17511.09412.10113.10172.51122.53173.07611.74032.4909
H92.17511.09412.10113.10172.51123.07612.53171.74032.4909
H103.52262.21541.10432.01884.34983.82513.82512.49092.4909

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.781 C1 C2 H8 111.680
C1 C2 H9 111.680 C2 C1 H5 110.479
C2 C1 H6 110.761 C2 C1 H7 110.761
C2 C3 O4 124.501 C2 C3 H10 115.476
C3 C2 H8 106.913 C3 C2 H9 106.913
O4 C3 H10 120.023 H5 C1 H6 108.594
H5 C1 H7 108.594 H6 C1 H7 107.560
H8 C2 H9 105.362
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability