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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-231.312966
Energy at 298.15K-231.319617
HF Energy-231.312966
Nuclear repulsion energy167.384190
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3133 3025 27.13      
2 A' 3099 2992 3.75      
3 A' 3083 2977 24.86      
4 A' 3059 2953 8.31      
5 A' 1862 1797 331.74      
6 A' 1503 1451 1.09      
7 A' 1447 1397 0.66      
8 A' 1244 1201 7.47      
9 A' 1224 1182 0.01      
10 A' 1101 1063 0.23      
11 A' 964 930 2.92      
12 A' 834 805 3.13      
13 A' 744 718 3.86      
14 A' 673 650 0.94      
15 A' 402 388 1.56      
16 A' 19 18 4.34      
17 A" 3105 2998 0.02      
18 A" 3054 2949 16.00      
19 A" 1433 1383 21.18      
20 A" 1277 1232 4.82      
21 A" 1226 1183 0.01      
22 A" 1197 1156 1.89      
23 A" 1081 1043 92.47      
24 A" 953 920 0.00      
25 A" 917 886 0.22      
26 A" 631 609 0.00      
27 A" 460 444 3.09      

Unscaled Zero Point Vibrational Energy (zpe) 19861.5 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 19174.3 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/TZVP
ABC
0.36189 0.16011 0.11839

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.025 1.875 0.000
C2 -0.006 0.678 0.000
C3 0.009 -0.383 1.109
C4 0.009 -0.383 -1.109
C5 0.009 -1.478 0.000
H6 0.892 -2.114 0.000
H7 -0.877 -2.111 0.000
H8 -0.870 -0.351 1.756
H9 -0.870 -0.351 -1.756
H10 0.900 -0.339 1.739
H11 0.900 -0.339 -1.739

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.19732.51612.51613.35364.09344.07632.95862.95862.96332.9633
C21.19731.53501.53502.15632.93302.92202.21122.21122.20862.2086
C32.51611.53502.21861.55892.23792.23651.09182.99741.09202.9845
C42.51611.53502.21861.55892.23792.23652.99741.09182.98451.0920
C53.35362.15631.55891.55891.08851.08862.26442.26442.26172.2617
H64.09342.93302.23792.23791.08851.76923.04953.04952.48482.4848
H74.07632.92202.23652.23651.08861.76922.48652.48653.05313.0531
H82.95862.21121.09182.99742.26443.04952.48653.51221.77043.9176
H92.95862.21122.99741.09182.26443.04952.48653.51223.91761.7704
H102.96332.20861.09202.98452.26172.48483.05311.77043.91763.4774
H112.96332.20862.98451.09202.26172.48483.05313.91761.77043.4774

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 133.725 O1 C2 C4 133.725
C2 C3 C5 88.358 C2 C3 H8 113.584
C2 C3 H10 113.355 C2 C4 C5 88.358
C2 C4 H9 113.584 C2 C4 H11 113.355
C3 C2 C4 92.549 C3 C5 C4 90.729
C3 C5 H6 114.230 C3 C5 H7 114.111
C4 C5 H6 114.230 C4 C5 H7 114.111
C5 C3 H8 116.245 C5 C3 H10 116.006
C5 C4 H9 116.245 C5 C4 H11 116.006
H6 C5 H7 108.709 H8 C3 H10 108.332
H9 C4 H11 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.250      
2 C 0.138      
3 C -0.251      
4 C -0.251      
5 C -0.268      
6 H 0.136      
7 H 0.136      
8 H 0.153      
9 H 0.153      
10 H 0.153      
11 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.050 -3.022 0.000 3.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.609 0.110 0.000
y 0.110 -37.289 0.000
z 0.000 0.000 -29.136
Traceless
 xyz
x 4.604 0.110 0.000
y 0.110 -8.417 0.000
z 0.000 0.000 3.813
Polar
3z2-r27.626
x2-y28.680
xy0.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.589 -0.030 0.000
y -0.030 7.878 0.000
z 0.000 0.000 7.260


<r2> (average value of r2) Å2
<r2> 106.634
(<r2>)1/2 10.326