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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-230.543752
Energy at 298.15K 
HF Energy-229.810596
Nuclear repulsion energy167.501959
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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
ABC
0.35765 0.16063 0.12018

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.561 1.793 0.000
C2 -0.128 0.656 0.000
C3 0.200 -0.354 1.104
C4 0.200 -0.354 -1.104
C5 0.200 -1.447 0.000
H6 -0.719 -2.031 0.000
H7 1.050 -2.125 0.000
H8 1.189 -0.166 1.526
H9 1.189 -0.166 -1.526
H10 -0.524 -0.430 1.915
H11 -0.524 -0.430 -1.915

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.21672.53152.53153.32803.82704.23643.03803.03802.93452.9345
C21.21671.53171.53172.12832.75103.02022.17692.17692.23682.2368
C32.53151.53172.20711.55282.20732.25291.09202.81591.08963.1046
C42.53151.53172.20711.55282.20732.25292.81591.09203.10461.0896
C53.32802.12831.55281.55281.08871.08762.22452.22452.28522.2852
H63.82702.75102.20732.20731.08871.77163.07363.07362.50282.5028
H74.23643.02022.25292.25291.08761.77162.48732.48733.00243.0024
H83.03802.17691.09202.81592.22453.07362.48733.05251.77613.8526
H93.03802.17692.81591.09202.22453.07362.48733.05253.85261.7761
H102.93452.23681.08963.10462.28522.50283.00241.77613.85263.8291
H112.93452.23683.10461.08962.28522.50283.00243.85261.77613.8291

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.837 O1 C2 C4 133.837
C2 C3 C5 87.253 C2 C3 H8 111.023
C2 C3 H10 116.119 C2 C4 C5 87.253
C2 C4 H9 111.023 C2 C4 H11 116.119
C3 C2 C4 92.185 C3 C5 C4 90.581
C3 C5 H6 112.164 C3 C5 H7 116.021
C4 C5 H6 112.164 C4 C5 H7 116.021
C5 C3 H8 113.361 C5 C3 H10 118.673
C5 C4 H9 113.361 C5 C4 H11 118.673
H6 C5 H7 108.993 H8 C3 H10 109.000
H9 C4 H11 109.000
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability