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All results from a given calculation for C5H6O (2-methylfuran)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/6-31G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-268.128130
Energy at 298.15K 
HF Energy-267.546887
Nuclear repulsion energy218.199542
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/6-31G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.069 -0.265 0.000
C2 0.000 0.675 0.000
C3 0.477 -1.553 0.000
C4 -1.199 -0.010 0.000
C5 -0.895 -1.430 0.000
C6 0.389 2.121 0.000
H7 1.169 -2.382 0.000
H8 -2.186 0.439 0.000
H9 -1.608 -2.247 0.000
H10 -0.518 2.739 0.000
H11 0.982 2.375 0.889
H12 0.982 2.375 -0.889

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.42311.41742.28182.28392.48042.12023.33013.33103.39712.78692.7869
C21.42312.27811.38082.28801.49723.27342.19883.33532.12802.15532.1553
C31.41742.27812.27751.37763.67441.08063.32542.19784.40544.05874.0587
C42.28181.38082.27751.45242.65753.35181.08472.27382.83213.35213.3521
C52.28392.28801.37761.45243.77642.27322.27201.08394.18654.33574.3357
C62.48041.49723.67442.65753.77644.57033.07564.80271.09791.09861.0986
H72.12023.27341.08063.35182.27324.57034.38392.78075.39224.84364.8436
H83.33012.19883.32541.08472.27203.07564.38392.74742.84093.81793.8179
H93.33103.33532.19782.27381.08394.80272.78072.74745.10365.37255.3725
H103.39712.12804.40542.83214.18651.09795.39222.84095.10361.78161.7816
H112.78692.15534.05873.35214.33571.09864.84363.81795.37251.78161.7783
H122.78692.15534.05873.35214.33571.09864.84363.81795.37251.78161.7783

picture of 2-methylfuran state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 108.923 O1 C2 C6 116.265
O1 C3 C5 109.598 O1 C3 H7 115.491
C2 O1 C3 106.645 C2 C4 C5 107.687
C2 C4 H8 125.777 C2 C6 H10 109.205
C2 C6 H11 111.338 C2 C6 H12 111.338
C3 C5 C6 75.201 C3 C5 H9 126.055
C4 C2 C6 134.813 C4 C5 H9 126.797
C5 C3 H7 134.910 C5 C4 H8 126.535
H10 C6 H11 108.403 H10 C6 H12 108.403
H11 C6 H12 108.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability