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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: MP3=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Anti 1Ag
Energy calculated at MP3=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-158.211922
Energy at 298.15K 
HF Energy-157.356558
Nuclear repulsion energy131.347614
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 MP3=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/aug-cc-pVTZ
ABC
0.78989 0.12273 0.11521

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.421 0.633 0.000
C2 0.421 -0.633 0.000
C3 0.421 1.899 0.000
C4 -0.421 -1.899 0.000
H5 -1.073 0.627 0.874
H6 -1.073 0.627 -0.874
H7 1.073 -0.627 0.874
H8 1.073 -0.627 -0.874
H9 -0.201 2.791 0.000
H10 1.062 1.936 0.879
H11 1.062 1.936 -0.879
H12 0.201 -2.791 0.000
H13 -1.062 -1.936 0.879
H14 -1.062 -1.936 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51991.52022.53171.09051.09052.14052.14052.16962.16082.16083.48002.78972.7897
C21.51992.53171.52022.14052.14051.09051.09053.48002.78972.78972.16962.16082.1608
C31.52022.53173.88992.14822.14822.75082.75081.08741.08851.08854.69524.20444.2044
C42.53171.52023.88992.75082.75082.14822.14824.69524.20444.20441.08741.08851.0885
H51.09052.14052.14822.75081.74732.48573.03842.49222.50483.05713.75062.56263.1046
H61.09052.14052.14822.75081.74733.03842.48572.49223.05712.50483.75063.10462.5626
H72.14051.09052.75082.14822.48573.03841.74733.75062.56263.10462.49222.50483.0571
H82.14051.09052.75082.14823.03842.48571.74733.75063.10462.56262.49223.05712.5048
H92.16963.48001.08744.69522.49222.49223.75063.75061.76001.76005.59684.88484.8848
H102.16082.78971.08854.20442.50483.05712.56263.10461.76001.75794.88484.41624.7532
H112.16082.78971.08854.20443.05712.50483.10462.56261.76001.75794.88484.75324.4162
H123.48002.16964.69521.08743.75063.75062.49222.49225.59684.88484.88481.76001.7600
H132.78972.16084.20441.08852.56263.10462.50483.05714.88484.41624.75321.76001.7579
H142.78972.16084.20441.08853.10462.56263.05712.50484.88484.75324.41621.76001.7579

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.769 C1 C2 H7 109.058
C1 C2 H8 109.058 C1 C3 H9 111.535
C1 C3 H11 110.758 C1 C3 H12 30.924
C2 C1 C3 112.769 C2 C1 H5 109.058
C2 C1 H6 109.058 C2 C4 H10 17.290
C2 C4 H13 110.758 C2 C4 H14 110.758
C3 C1 H5 109.640 C3 C1 H6 109.640
C4 C2 H7 109.640 C4 C2 H8 109.640
H5 C1 H6 106.477 H7 C2 H8 106.477
H9 C3 H11 107.970 H9 C3 H12 142.459
H10 C4 H13 94.013 H10 C4 H14 114.055
H11 C3 H12 93.538 H13 C4 H14 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability