return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP4/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 MP4/daug-cc-pVTZ
 hartrees
Energy at 0K-192.847605
Energy at 298.15K 
HF Energy-192.024371
Nuclear repulsion energy118.240049
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 MP4/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4/daug-cc-pVTZ
ABC
0.55197 0.19688 0.15329

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.449 0.451 0.000
C2 0.000 0.921 0.000
C3 -0.999 -0.210 0.000
O4 -0.703 -1.394 0.000
H5 2.130 1.305 0.000
H6 1.656 -0.161 0.880
H7 1.656 -0.161 -0.880
H8 -0.226 1.547 0.873
H9 -0.226 1.547 -0.873
H10 -2.065 0.100 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52362.53652.83471.09151.09151.09152.18402.18403.5320
C21.52361.50932.41892.16412.16472.16471.09781.09782.2223
C32.53651.50931.22023.47652.79762.79762.10902.10901.1099
O42.83472.41891.22023.91212.80312.80313.10443.10442.0216
H51.09152.16413.47653.91211.77381.77382.52402.52404.3645
H61.09152.16472.79762.80311.77381.76002.54113.08713.8324
H71.09152.16472.79762.80311.77381.76003.08712.54113.8324
H82.18401.09782.10903.10442.52402.54113.08711.74592.4977
H92.18401.09782.10903.10442.52403.08712.54111.74592.4977
H103.53202.22231.10992.02164.36453.83243.83242.49772.4977

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.509 C1 C2 H8 111.818
C1 C2 H9 111.818 C2 C1 H5 110.605
C2 C1 H6 110.651 C2 C1 H7 110.651
C2 C3 O4 124.464 C2 C3 H10 115.246
C3 C2 H8 106.922 C3 C2 H9 106.922
O4 C3 H10 120.290 H5 C1 H6 108.693
H5 C1 H7 108.693 H6 C1 H7 107.456
H8 C2 H9 105.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability