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

using model chemistry: CCD/6-31G(2df,p)

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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-268.711004
Energy at 298.15K 
HF Energy-267.696479
Nuclear repulsion energy223.072547
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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.032 -0.244 0.000
C2 0.000 0.640 0.000
C3 0.491 -1.488 0.000
C4 -1.183 -0.023 0.000
C5 -0.861 -1.425 0.000
C6 0.366 2.083 0.000
H7 1.194 -2.303 0.000
H8 -2.163 0.426 0.000
H9 -1.543 -2.259 0.000
H10 -0.537 2.693 0.000
H11 0.957 2.339 0.883
H12 0.957 2.339 -0.883

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.35931.35712.22682.23152.42062.06523.26483.26983.33002.73062.7306
C21.35932.18421.35622.23741.48873.17602.17343.28372.12182.14032.1403
C31.35712.18422.22521.35323.57351.07623.27212.17484.30563.95523.9552
C42.22681.35622.22521.43922.61423.29431.07732.26482.79093.30703.3070
C52.23152.23741.35321.43923.71652.23472.26301.07704.13054.27224.2722
C62.42061.48873.57352.61423.71654.46333.02364.74281.09011.09261.0926
H72.06523.17601.07623.29432.23474.46334.32622.73765.28724.73094.7309
H83.26482.17343.27211.07732.26303.02364.32622.75512.78933.76463.7646
H93.26983.28372.17482.26481.07704.74282.73762.75515.05235.30715.3071
H103.33002.12184.30562.79094.13051.09015.28722.78935.05231.77141.7714
H112.73062.14033.95523.30704.27221.09264.73093.76465.30711.77141.7654
H122.73062.14033.95523.30704.27221.09264.73093.76465.30711.77141.7654

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 110.183 O1 C2 C6 116.333
O1 C3 C5 110.846 O1 C3 H7 115.667
C2 O1 C3 107.048 C2 C4 C5 106.299
C2 C4 H8 126.158 C2 C6 H10 109.770
C2 C6 H11 111.101 C2 C6 H12 111.101
C3 C5 C6 73.399 C3 C5 H9 126.622
C4 C2 C6 133.483 C4 C5 H9 127.754
C5 C3 H7 133.487 C5 C4 H8 127.542
H10 C6 H11 108.499 H10 C6 H12 108.499
H11 C6 H12 107.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability