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

using model chemistry: MP2=FULL/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 MP2=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-268.605793
Energy at 298.15K 
HF Energy-267.698107
Nuclear repulsion energy220.894492
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/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.046 -0.241 0.000
C2 0.000 0.653 0.000
C3 0.507 -1.503 0.000
C4 -1.196 -0.036 0.000
C5 -0.868 -1.435 0.000
C6 0.359 2.101 0.000
H7 1.220 -2.322 0.000
H8 -2.186 0.415 0.000
H9 -1.550 -2.282 0.000
H10 -0.560 2.701 0.000
H11 0.949 2.364 0.892
H12 0.949 2.364 -0.892

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
O11.37591.37202.25142.25602.43982.08893.29793.30243.35162.75452.7545
C21.37592.21501.38062.26171.49113.21602.19943.31962.12292.14952.1495
C31.37202.21502.24831.37733.60621.08593.30652.20024.33723.99233.9923
C42.25141.38062.24831.43732.64263.32661.08762.27412.80963.33963.3396
C52.25602.26171.37731.43733.74262.26862.27131.08744.14744.30424.3042
C62.43981.49113.60622.64263.74264.50573.05344.78051.09841.10071.1007
H72.08893.21601.08593.32662.26864.50574.36952.77015.32944.77784.7778
H83.29792.19943.30651.08762.27133.05344.36952.77062.80573.79783.7978
H93.30243.31962.20022.27411.08744.78052.77012.77065.08045.34995.3499
H103.35162.12294.33722.80964.14741.09845.32942.80575.08041.78491.7849
H112.75452.14953.99233.33964.30421.10074.77783.79785.34991.78491.7833
H122.75452.14953.99233.33964.30421.10074.77783.79785.34991.78491.7833

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 109.529 O1 C2 C6 116.582
O1 C3 C5 110.284 O1 C3 H7 115.910
C2 O1 C3 107.430 C2 C4 C5 106.743
C2 C4 H8 125.607 C2 C6 H10 109.194
C2 C6 H11 111.167 C2 C6 H12 111.167
C3 C5 C6 73.669 C3 C5 H9 126.022
C4 C2 C6 133.889 C4 C5 H9 127.964
C5 C3 H7 133.806 C5 C4 H8 127.650
H10 C6 H11 108.518 H10 C6 H12 108.518
H11 C6 H12 108.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability