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

using model chemistry: QCISD/aug-cc-pVDZ

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

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-268.626771
Energy at 298.15K 
HF Energy-267.698515
Nuclear repulsion energy220.562466
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 QCISD/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.046 -0.247 0.000
C2 0.000 0.652 0.000
C3 0.494 -1.510 0.000
C4 -1.195 -0.020 0.000
C5 -0.872 -1.437 0.000
C6 0.371 2.103 0.000
H7 1.200 -2.337 0.000
H8 -2.185 0.434 0.000
H9 -1.563 -2.279 0.000
H10 -0.544 2.715 0.000
H11 0.966 2.358 0.894
H12 0.966 2.358 -0.894

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37951.37772.25302.25742.44572.09523.30253.30713.36252.75602.7560
C21.37952.21701.37112.26381.49843.22042.19583.32172.13412.15542.1554
C31.37772.21702.25231.36803.61501.08743.31022.19634.35053.99803.9980
C42.25301.37112.25231.45382.63873.33241.08922.28902.81163.33593.3359
C52.25742.26381.36801.45383.75272.25872.28651.08914.16554.31124.3112
C62.44571.49843.61502.63873.75274.51693.05284.79051.10121.10371.1037
H72.09523.22041.08743.33242.25874.51694.37482.76355.34474.78534.7853
H83.30252.19583.31021.08922.28653.05284.37482.78422.80953.79893.7989
H93.30713.32172.19632.28901.08914.79052.76352.78425.09735.35775.3577
H103.36252.13414.35052.81164.16551.10125.34472.80955.09731.79111.7911
H112.75602.15543.99803.33594.31121.10374.78533.79895.35771.79111.7878
H122.75602.15543.99803.33594.31121.10374.78533.79895.35771.79111.7878

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 109.994 O1 C2 C6 116.325
O1 C3 C5 110.601 O1 C3 H7 115.903
C2 O1 C3 107.045 C2 C4 C5 106.487
C2 C4 H8 125.999 C2 C6 H10 109.408
C2 C6 H11 110.946 C2 C6 H12 110.946
C3 C5 C6 73.678 C3 C5 H9 126.351
C4 C2 C6 133.681 C4 C5 H9 127.777
C5 C3 H7 133.496 C5 C4 H8 127.514
H10 C6 H11 108.651 H10 C6 H12 108.651
H11 C6 H12 108.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability