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 C3H8 (Propane)

using model chemistry: MP4=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-118.981281
Energy at 298.15K 
HF Energy-118.308395
Nuclear repulsion energy82.814540
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=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
ABC
0.98416 0.28466 0.25163

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.589
C2 0.000 1.264 -0.260
C3 0.000 -1.264 -0.260
H4 0.875 0.000 1.243
H5 -0.875 0.000 1.243
H6 0.000 2.162 0.358
H7 0.000 -2.162 0.358
H8 0.882 1.297 -0.904
H9 -0.882 1.297 -0.904
H10 -0.882 -1.297 -0.904
H11 0.882 -1.297 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52271.52271.09271.09272.17472.17472.16532.16532.16532.1653
C21.52272.52762.15022.15021.09063.48141.09181.09182.78392.7839
C31.52272.52762.15022.15023.48141.09062.78392.78391.09181.0918
H41.09272.15022.15021.75072.49522.49522.50823.06243.06242.5082
H51.09272.15022.15021.75072.49522.49523.06242.50822.50823.0624
H62.17471.09063.48142.49522.49524.32471.76531.76533.78653.7865
H72.17473.48141.09062.49522.49524.32473.78653.78651.76531.7653
H82.16531.09182.78392.50823.06241.76533.78651.76323.13702.5947
H92.16531.09182.78393.06242.50821.76533.78651.76322.59473.1370
H102.16532.78391.09183.06242.50823.78651.76533.13702.59471.7632
H112.16532.78391.09182.50823.06243.78651.76532.59473.13701.7632

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.574 C1 C2 H8 110.742
C1 C2 H9 110.742 C1 C3 H7 111.574
C1 C3 H10 110.742 C1 C3 H11 110.742
C2 C1 C3 112.187 C2 C1 H4 109.503
C2 C1 H5 109.503 C3 C1 H4 109.503
C3 C1 H5 109.503 H4 C1 H5 106.477
H6 C2 H8 107.972 H6 C2 H9 107.972
H7 C3 H10 107.972 H7 C3 H11 107.972
H8 C2 H9 107.691 H10 C3 H11 107.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability