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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-230.971775
Energy at 298.15K 
Nuclear repulsion energy169.868787
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 HSEh1PBE/6-31G*
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.169 1.867 0.000
C2 -0.045 0.673 0.000
C3 0.065 -0.380 1.105
C4 0.065 -0.380 -1.105
C5 0.065 -1.470 0.000
H6 0.982 -2.065 0.000
H7 -0.789 -2.152 0.000
H8 -0.820 -0.436 1.748
H9 -0.820 -0.436 -1.748
H10 0.943 -0.252 1.748
H11 0.943 -0.252 -1.748

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.19982.51432.51433.34524.09624.06572.96342.96342.96322.9632
C21.19981.53021.53022.14642.92402.92112.21062.21062.21072.2107
C32.51431.53022.20991.55262.21362.25601.09562.98761.09562.9874
C42.51431.53022.20991.55262.21362.25602.98761.09562.98741.0956
C53.34522.14641.55261.55261.09241.09252.21552.21552.30412.3041
H64.09622.92402.21362.21361.09241.77282.99232.99232.51812.5181
H74.06572.92112.25602.25601.09251.77282.44922.44923.10833.1083
H82.96342.21061.09562.98762.21552.99232.44923.49571.77303.9194
H92.96342.21062.98761.09562.21552.99232.44923.49573.91941.7730
H102.96322.21071.09562.98742.30412.51813.10831.77303.91943.4953
H112.96322.21072.98741.09562.30412.51813.10833.91941.77303.4953

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.774 O1 C2 C4 133.774
C2 C3 C5 88.250 C2 C3 H8 113.647
C2 C3 H10 113.650 C2 C4 C5 88.250
C2 C4 H9 113.647 C2 C4 H11 113.650
C3 C2 C4 92.452 C3 C5 C4 90.746
C3 C5 H6 112.468 C3 C5 H7 115.977
C4 C5 H6 112.468 C4 C5 H7 115.977
C5 C3 H8 112.421 C5 C3 H10 119.949
C5 C4 H9 112.421 C5 C4 H11 119.949
H6 C5 H7 108.468 H8 C3 H10 108.024
H9 C4 H11 108.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.424      
2 C 0.423      
3 C -0.394      
4 C -0.394      
5 C -0.373      
6 H 0.188      
7 H 0.202      
8 H 0.196      
9 H 0.196      
10 H 0.189      
11 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.048 -3.027 0.000 3.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.351 -0.819 0.000
y -0.819 -34.624 0.000
z 0.000 0.000 -28.527
Traceless
 xyz
x 3.224 -0.819 0.000
y -0.819 -6.185 0.000
z 0.000 0.000 2.961
Polar
3z2-r25.922
x2-y26.273
xy-0.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 100.088
(<r2>)1/2 10.004