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

using model chemistry: CCD/6-311G*

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/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-268.611555
Energy at 298.15K 
HF Energy-267.720415
Nuclear repulsion energy222.367848
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/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.035 -0.243 0.000
C2 0.000 0.643 0.000
C3 0.495 -1.492 0.000
C4 -1.187 -0.024 0.000
C5 -0.862 -1.431 0.000
C6 0.364 2.090 0.000
H7 1.203 -2.309 0.000
H8 -2.173 0.423 0.000
H9 -1.546 -2.269 0.000
H10 -0.542 2.702 0.000
H11 0.957 2.345 0.886
H12 0.957 2.345 -0.886

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.36271.36072.23332.23802.42762.07293.27673.28143.34112.73672.7367
C21.36272.19161.36172.24521.49203.18772.18393.29652.12952.14422.1442
C31.36072.19162.23281.35853.58431.08093.28452.18444.32073.96503.9650
C42.23331.36172.23281.44342.62203.30651.08262.27282.80173.31573.3157
C52.23802.24521.35851.44343.72752.24382.27061.08214.14504.28324.2832
C62.42761.49203.58432.62203.72754.47833.03514.75851.09351.09611.0961
H72.07293.18771.08093.30652.24384.47834.34312.74955.30654.74434.7443
H83.27672.18393.28451.08262.27063.03514.34312.76372.80223.77773.7777
H93.28143.29652.18442.27281.08214.75852.74952.76375.07105.32305.3230
H103.34112.12954.32072.80174.14501.09355.30652.80225.07101.77731.7773
H112.73672.14423.96503.31574.28321.09614.74433.77775.32301.77731.7718
H122.73672.14423.96503.31574.28321.09614.74433.77775.32301.77731.7718

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 110.116 O1 C2 C6 116.437
O1 C3 C5 110.781 O1 C3 H7 115.733
C2 O1 C3 107.170 C2 C4 C5 106.301
C2 C4 H8 126.247 C2 C6 H10 109.941
C2 C6 H11 110.962 C2 C6 H12 110.962
C3 C5 C6 73.406 C3 C5 H9 126.651
C4 C2 C6 133.447 C4 C5 H9 127.718
C5 C3 H7 133.486 C5 C4 H8 127.452
H10 C6 H11 108.522 H10 C6 H12 108.522
H11 C6 H12 107.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability