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

using model chemistry: CCD/TZVP

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 CCD/TZVP
Rotational Constants (cm-1) from geometry optimized at CCD/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-268.676496
Energy at 298.15K 
HF Energy-267.754464
Nuclear repulsion energy222.871665
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 CCD/TZVP
Rotational Constants (cm-1) from geometry optimized at CCD/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.036 -0.245 0.000
C2 0.000 0.643 0.000
C3 0.491 -1.494 0.000
C4 -1.181 -0.022 0.000
C5 -0.859 -1.425 0.000
C6 0.362 2.086 0.000
H7 1.190 -2.311 0.000
H8 -2.161 0.424 0.000
H9 -1.543 -2.257 0.000
H10 -0.546 2.690 0.000
H11 0.948 2.343 0.884
H12 0.948 2.343 -0.884

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36461.36172.22802.23202.42742.07113.26613.27003.33412.73672.7367
C21.36462.19221.35552.23911.48813.18442.17203.28442.11832.13812.1381
C31.36172.19222.22721.35213.58231.07533.27282.17224.30983.96363.9636
C42.22801.35552.22721.43892.61283.29521.07692.26342.78553.30323.3032
C52.23202.23911.35211.43893.71742.23252.26131.07664.12654.27154.2715
C62.42741.48813.58232.61283.71744.47463.02114.74221.08961.09181.0918
H72.07113.18441.07533.29522.23254.47464.32542.73305.29324.74324.7432
H83.26612.17203.27281.07692.26133.02114.32542.75122.78243.75933.7593
H93.27003.28442.17222.26341.07664.74222.73302.75125.04585.30505.3050
H103.33412.11834.30982.78554.12651.08965.29322.78245.04581.77051.7705
H112.73672.13813.96363.30324.27151.09184.74323.75935.30501.77051.7685
H122.73672.13813.96363.30324.27151.09184.74323.75935.30501.77051.7685

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 109.987 O1 C2 C6 116.553
O1 C3 C5 110.661 O1 C3 H7 115.895
C2 O1 C3 107.045 C2 C4 C5 106.470
C2 C4 H8 126.109 C2 C6 H10 109.552
C2 C6 H11 111.011 C2 C6 H12 111.011
C3 C5 C6 73.741 C3 C5 H9 126.492
C4 C2 C6 133.460 C4 C5 H9 127.671
C5 C3 H7 133.443 C5 C4 H8 127.421
H10 C6 H11 108.509 H10 C6 H12 108.509
H11 C6 H12 108.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability