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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-231.195582
Energy at 298.15K-231.202277
Nuclear repulsion energy165.463288
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 B3LYP/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3104 2984 27.83      
2 A1 3076 2957 13.00      
3 A1 1773 1705 274.94      
4 A1 1517 1458 3.13      
5 A1 1468 1411 0.52      
6 A1 1264 1215 13.28      
7 A1 973 935 2.87      
8 A1 850 817 0.58      
9 A1 674 648 3.26      
10 A2 3141 3020 0.00      
11 A2 1221 1174 0.00      
12 A2 966 929 0.00      
13 A2 677 651 0.00      
14 B1 3175 3052 48.37      
15 B1 3135 3014 7.14      
16 B1 1223 1176 0.00      
17 B1 1118 1075 1.01      
18 B1 759 730 12.62      
19 B1 411 395 0.15      
20 B1 28 27 5.40      
21 B2 3072 2954 19.45      
22 B2 1457 1401 39.48      
23 B2 1298 1248 1.17      
24 B2 1225 1177 0.38      
25 B2 1103 1060 114.63      
26 B2 944 907 0.34      
27 B2 451 434 3.93      

Unscaled Zero Point Vibrational Energy (zpe) 20051.7 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 19275.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/SDD
ABC
0.35685 0.15557 0.11543

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.910
C2 0.000 0.000 0.676
C3 0.000 1.118 -0.390
C4 0.000 -1.118 -0.390
C5 0.000 0.000 -1.496
H6 0.889 0.000 -2.132
H7 -0.889 0.000 -2.132
H8 -0.889 1.759 -0.355
H9 -0.889 -1.759 -0.355
H10 0.889 1.759 -0.355
H11 0.889 -1.759 -0.355

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.23402.55762.55763.40614.13874.13873.00303.00303.00303.0030
C21.23401.54491.54492.17212.94542.94542.22452.22452.22452.2245
C32.55761.54492.23571.57232.25252.25251.09653.01111.09653.0111
C42.55761.54492.23571.57232.25252.25253.01111.09653.01111.0965
C53.40612.17211.57231.57231.09331.09332.27692.27692.27692.2769
H64.13872.94542.25252.25251.09331.77873.06773.06772.49972.4997
H74.13872.94542.25252.25251.09331.77872.49972.49973.06773.0677
H83.00302.22451.09653.01112.27693.06772.49973.51771.77793.9415
H93.00302.22453.01111.09652.27693.06772.49973.51773.94151.7779
H103.00302.22451.09653.01112.27692.49973.06771.77793.94153.5177
H113.00302.22453.01111.09652.27692.49973.06773.94151.77793.5177

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.651 O1 C2 C4 133.651
C2 C3 C5 88.338 C2 C3 H8 113.654
C2 C3 H10 113.654 C2 C4 C5 88.338
C2 C4 H9 113.654 C2 C4 H11 113.654
C3 C2 C4 92.698 C3 C5 C4 90.625
C3 C5 H6 114.143 C3 C5 H7 114.143
C4 C5 H6 114.143 C4 C5 H7 114.143
C5 C3 H8 115.966 C5 C3 H10 115.966
C5 C4 H9 115.966 C5 C4 H11 115.966
H6 C5 H7 108.873 H8 C3 H10 108.328
H9 C4 H11 108.328
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.198      
2 C 0.154      
3 C -0.483      
4 C -0.483      
5 C -0.374      
6 H 0.215      
7 H 0.215      
8 H 0.239      
9 H 0.239      
10 H 0.239      
11 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.359 3.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.191 0.000 0.000
y 0.000 -28.431 0.000
z 0.000 0.000 -37.666
Traceless
 xyz
x 4.858 0.000 0.000
y 0.000 4.497 0.000
z 0.000 0.000 -9.355
Polar
3z2-r2-18.709
x2-y20.241
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.726 -0.002 0.000
y -0.002 7.216 0.000
z 0.000 0.000 6.245


<r2> (average value of r2) Å2
<r2> 108.525
(<r2>)1/2 10.418