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All results from a given calculation for C4H6O (Cyclobutanone)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-228.179588
Energy at 298.15K-228.186033
Nuclear repulsion energy161.892150
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 BLYP/STO-3G
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' 3375 3123 2.49      
2 A' 3340 3090 0.93      
3 A' 3258 3015 2.05      
4 A' 3226 2985 2.46      
5 A' 1826 1689 48.17      
6 A' 1615 1494 0.02      
7 A' 1580 1461 0.78      
8 A' 1317 1218 0.21      
9 A' 1265 1171 0.15      
10 A' 1100 1018 0.88      
11 A' 1003 928 0.25      
12 A' 850 786 0.74      
13 A' 777 719 4.44      
14 A' 669 619 0.06      
15 A' 385 356 0.02      
16 A' 80 74 1.26      
17 A" 3341 3091 0.00      
18 A" 3222 2981 0.14      
19 A" 1569 1452 3.56      
20 A" 1345 1245 2.35      
21 A" 1282 1186 0.00      
22 A" 1251 1157 0.27      
23 A" 1036 959 64.68      
24 A" 1020 943 0.00      
25 A" 989 915 17.79      
26 A" 716 662 0.00      
27 A" 436 403 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 20935.9 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 19369.9 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 BLYP/STO-3G
ABC
0.34239 0.14780 0.10990

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.002 1.966 0.000
C2 0.000 0.711 0.000
C3 -0.001 -0.413 1.143
C4 -0.001 -0.413 -1.143
C5 -0.001 -1.516 0.000
H6 -0.904 -2.159 0.000
H7 0.903 -2.159 0.000
H8 0.904 -0.405 1.790
H9 0.904 -0.405 -1.790
H10 -0.906 -0.404 1.789
H11 -0.906 -0.404 -1.789

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.25532.63962.63963.48174.22324.22213.10503.10503.10513.1051
C21.25531.60321.60322.22653.00893.00812.29492.29492.29462.2946
C32.63961.60322.28671.58842.27422.27401.11223.07001.11223.0691
C42.63961.60322.28671.58842.27422.27403.07001.11223.06911.1122
C53.48172.22651.58841.58841.10921.10922.29292.29292.29272.2927
H64.22323.00892.27422.27421.10921.80763.09063.09062.50612.5061
H74.22213.00812.27402.27401.10921.80762.50622.50623.09083.0908
H83.10502.29491.11223.07002.29293.09062.50623.58071.81004.0111
H93.10502.29493.07001.11222.29293.09062.50623.58074.01111.8100
H103.10512.29461.11223.06912.29272.50613.09081.81004.01113.5783
H113.10512.29463.06911.11222.29272.50613.09084.01111.81003.5783

picture of Cyclobutanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 134.507 O1 C2 C4 134.507
C2 C3 C5 88.468 C2 C3 H8 114.157
C2 C3 H10 114.137 C2 C4 C5 88.468
C2 C4 H9 114.157 C2 C4 H11 114.137
C3 C2 C4 90.986 C3 C5 C4 92.077
C3 C5 H6 113.736 C3 C5 H7 113.725
C4 C5 H6 113.736 C4 C5 H7 113.725
C5 C3 H8 115.078 C5 C3 H10 115.064
C5 C4 H9 115.078 C5 C4 H11 115.064
H6 C5 H7 109.135 H8 C3 H10 108.920
H9 C4 H11 108.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.156      
2 C 0.145      
3 C -0.154      
4 C -0.154      
5 C -0.135      
6 H 0.072      
7 H 0.072      
8 H 0.077      
9 H 0.077      
10 H 0.078      
11 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.002 -1.550 0.000 1.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.574 -0.004 0.000
y -0.004 -31.612 0.000
z 0.000 0.000 -27.145
Traceless
 xyz
x 2.805 -0.004 0.000
y -0.004 -4.753 0.000
z 0.000 0.000 1.948
Polar
3z2-r23.895
x2-y25.038
xy-0.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.697 0.001 0.000
y 0.001 4.245 0.000
z 0.000 0.000 3.611


<r2> (average value of r2) Å2
<r2> 110.935
(<r2>)1/2 10.533