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All results from a given calculation for C6H6O (2,5-Cyclohexadienone)

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-303.236135
Energy at 298.15K-303.242358
HF Energy-303.236135
Nuclear repulsion energy264.845511
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 PBE1PBE/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 A1 3511 3097 1.90      
2 A1 3481 3070 22.98      
3 A1 3338 2945 0.76      
4 A1 1881 1660 43.71      
5 A1 1801 1589 18.65      
6 A1 1640 1447 7.70      
7 A1 1522 1343 3.41      
8 A1 1277 1126 0.88      
9 A1 993 876 0.78      
10 A1 957 844 3.37      
11 A1 798 704 1.26      
12 A1 511 451 0.38      
13 A2 1308 1154 0.00      
14 A2 1088 960 0.00      
15 A2 778 687 0.00      
16 A2 384 338 0.00      
17 B1 3421 3018 0.37      
18 B1 1093 965 0.22      
19 B1 1037 914 1.86      
20 B1 860 758 30.21      
21 B1 600 529 14.39      
22 B1 304 268 0.66      
23 B1 109 96 0.12      
24 B2 3510 3096 0.91      
25 B2 3479 3069 0.23      
26 B2 1837 1620 3.20      
27 B2 1525 1345 7.20      
28 B2 1492 1316 6.32      
29 B2 1324 1168 37.17      
30 B2 1213 1070 9.90      
31 B2 1079 951 4.20      
32 B2 604 533 0.68      
33 B2 442 390 6.95      

Unscaled Zero Point Vibrational Energy (zpe) 24597.0 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 21697.0 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 PBE1PBE/STO-3G
ABC
0.17069 0.08578 0.05770

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.137
C2 0.000 0.000 -1.853
C3 0.000 1.271 0.319
C4 0.000 -1.271 0.319
C5 0.000 1.269 -1.020
C6 0.000 -1.269 -1.020
O7 0.000 0.000 2.396
H8 0.000 2.212 0.882
H9 0.000 -2.212 0.882
H10 0.000 2.213 -1.582
H11 0.000 -2.213 -1.582
H12 0.880 0.000 -2.525
H13 -0.880 0.000 -2.525

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.98971.51171.51172.50252.50251.25902.22692.22693.50533.50533.76593.7659
C22.98972.51682.51681.51821.51824.24873.51773.51772.22952.22951.10721.1072
C31.51172.51682.54301.33912.87202.43501.09643.52902.12113.96913.23713.2371
C41.51172.51682.54302.87201.33912.43503.52901.09643.96912.12113.23713.2371
C52.50251.51821.33912.87202.53853.64402.12303.96721.09823.52722.15642.1564
C62.50251.51822.87201.33912.53853.64403.96722.12303.52721.09822.15642.1564
O71.25904.24872.43502.43503.64403.64402.68062.68064.55164.55164.99874.9987
H82.22693.51771.09643.52902.12303.96722.68064.42462.46375.06484.15644.1564
H92.22693.51773.52901.09643.96722.12302.68064.42465.06482.46374.15644.1564
H103.50532.22952.12113.96911.09823.52724.55162.46375.06484.42592.56152.5615
H113.50532.22953.96912.12113.52721.09824.55165.06482.46374.42592.56152.5615
H123.76591.10723.23713.23712.15642.15644.99874.15644.15642.56152.56151.7602
H133.76591.10723.23713.23712.15642.15644.99874.15644.15642.56152.56151.7602

picture of 2,5-Cyclohexadienone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 122.650 C1 C3 H8 116.361
C1 C4 C6 122.650 C1 C4 H9 116.361
C2 C5 C3 123.370 C2 C5 H10 115.966
C2 C6 C4 123.370 C2 C6 H11 115.966
C3 C1 C4 114.510 C3 C1 O7 122.745
C3 C5 H10 120.664 C4 C1 O7 122.745
C4 C6 H11 120.664 C5 C2 C6 113.451
C5 C2 H12 109.447 C5 C2 H13 109.447
C5 C3 H8 120.989 C6 C2 H12 109.447
C6 C2 H13 109.447 C6 C4 H9 120.989
H12 C2 H13 105.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.131      
2 C -0.157      
3 C -0.105      
4 C -0.105      
5 C -0.067      
6 C -0.067      
7 O -0.183      
8 H 0.091      
9 H 0.091      
10 H 0.087      
11 H 0.087      
12 H 0.100      
13 H 0.100      


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 -2.784 2.784
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.994 0.000 0.000
y 0.000 -34.612 0.000
z 0.000 0.000 -39.707
Traceless
 xyz
x -0.834 0.000 0.000
y 0.000 4.239 0.000
z 0.000 0.000 -3.405
Polar
3z2-r2-6.810
x2-y2-3.382
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.805 0.000 0.000
y 0.000 5.278 0.000
z 0.000 0.000 9.197


<r2> (average value of r2) Å2
<r2> 190.533
(<r2>)1/2 13.803