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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-229.863229
Energy at 298.15K 
HF Energy-229.863229
Nuclear repulsion energy171.020887
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 HF/TZVP
Rotational Constants (cm-1) from geometry optimized at HF/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.164 1.845 0.000
C2 -0.044 0.675 0.000
C3 0.064 -0.372 1.104
C4 0.064 -0.372 -1.104
C5 0.064 -1.468 0.000
H6 0.973 -2.053 0.000
H7 -0.783 -2.140 0.000
H8 -0.816 -0.426 1.733
H9 -0.816 -0.426 -1.733
H10 0.936 -0.245 1.734
H11 0.936 -0.245 -1.734

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.17582.48732.48733.32074.06074.03272.93022.93022.93022.9302
C21.17581.52581.52582.14602.91192.91082.19402.19402.19422.1942
C32.48731.52582.20841.55562.20712.24981.08332.97151.08332.9720
C42.48731.52582.20841.55562.20712.24982.97151.08332.97201.0833
C53.32072.14601.55561.55561.08091.08092.20582.20582.29422.2942
H64.06072.91192.20712.20711.08091.75722.97552.97552.50572.5057
H74.03272.91082.24982.24981.08091.75722.43822.43823.09073.0907
H82.93022.19401.08332.97152.20582.97552.43823.46671.76173.8893
H92.93022.19402.97151.08332.20582.97552.43823.46673.88931.7617
H102.93022.19421.08332.97202.29422.50573.09071.76173.88933.4682
H112.93022.19422.97201.08332.29422.50573.09073.88931.76173.4682

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.641 O1 C2 C4 133.641
C2 C3 C5 88.275 C2 C3 H8 113.381
C2 C3 H10 113.399 C2 C4 C5 88.275
C2 C4 H9 113.381 C2 C4 H11 113.399
C3 C2 C4 92.718 C3 C5 C4 90.440
C3 C5 H6 112.428 C3 C5 H7 115.981
C4 C5 H6 112.428 C4 C5 H7 115.981
C5 C3 H8 112.169 C5 C3 H10 119.695
C5 C4 H9 112.169 C5 C4 H11 119.695
H6 C5 H7 108.749 H8 C3 H10 108.802
H9 C4 H11 108.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.349      
2 C 0.272      
3 C -0.212      
4 C -0.212      
5 C -0.203      
6 H 0.126      
7 H 0.108      
8 H 0.124      
9 H 0.124      
10 H 0.111      
11 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.955 -3.397 0.000 3.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.835 0.995 0.000
y 0.995 -36.379 0.000
z 0.000 0.000 -28.968
Traceless
 xyz
x 3.838 0.995 0.000
y 0.995 -7.477 0.000
z 0.000 0.000 3.639
Polar
3z2-r27.278
x2-y27.544
xy0.995
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> 99.622
(<r2>)1/2 9.981