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

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-307.168994
Energy at 298.15K-307.175459
HF Energy-307.168994
Nuclear repulsion energy268.279982
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 PBEPBE/cc-pVTZ
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 3116 3095 0.40      
2 A1 3078 3057 9.78      
3 A1 2918 2897 7.50      
4 A1 1669 1657 220.84      
5 A1 1641 1629 36.75      
6 A1 1372 1362 0.01      
7 A1 1361 1352 31.00      
8 A1 1153 1145 6.64      
9 A1 939 932 6.96      
10 A1 873 867 11.68      
11 A1 759 754 1.41      
12 A1 492 489 2.98      
13 A2 1153 1145 0.00      
14 A2 981 974 0.00      
15 A2 726 721 0.00      
16 A2 349 347 0.00      
17 B1 2923 2903 3.29      
18 B1 995 988 0.00      
19 B1 908 902 27.61      
20 B1 836 830 23.59      
21 B1 552 548 24.68      
22 B1 308 306 2.73      
23 B1 120 119 0.64      
24 B2 3115 3093 16.84      
25 B2 3078 3056 14.32      
26 B2 1606 1595 3.33      
27 B2 1376 1367 30.92      
28 B2 1331 1322 0.20      
29 B2 1232 1224 21.84      
30 B2 1101 1093 7.84      
31 B2 974 967 7.03      
32 B2 561 557 1.55      
33 B2 439 436 11.87      

Unscaled Zero Point Vibrational Energy (zpe) 22015.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 21863.7 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 PBEPBE/cc-pVTZ
ABC
0.17502 0.08850 0.05941

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.114
C2 0.000 0.000 -1.820
C3 0.000 1.253 0.331
C4 0.000 -1.253 0.331
C5 0.000 1.255 -1.015
C6 0.000 -1.255 -1.015
O7 0.000 0.000 2.347
H8 0.000 2.179 0.909
H9 0.000 -2.179 0.909
H10 0.000 2.199 -1.566
H11 0.000 -2.199 -1.566
H12 0.867 0.000 -2.509
H13 -0.867 0.000 -2.509

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93321.47741.47742.47082.47081.23392.18822.18823.46653.46653.72523.7252
C22.93322.48872.48871.49121.49124.16713.49143.49142.21402.21401.10801.1080
C31.47742.48872.50581.34532.84612.37421.09133.47982.11973.93893.22293.2229
C41.47742.48872.50582.84611.34532.37423.47981.09133.93892.11973.22293.2229
C52.47081.49121.34532.84612.51043.58872.13343.93571.09333.49832.13582.1358
C62.47081.49122.84611.34532.51043.58873.93572.13343.49831.09332.13582.1358
O71.23394.16712.37422.37423.58873.58872.61082.61084.48904.48904.93354.9335
H82.18823.49141.09133.47982.13343.93572.61084.35712.47465.02894.14494.1449
H92.18823.49143.47981.09133.93572.13342.61084.35715.02892.47464.14494.1449
H103.46652.21402.11973.93891.09333.49834.48902.47465.02894.39872.54542.5454
H113.46652.21403.93892.11973.49831.09334.48905.02892.47464.39872.54542.5454
H123.72521.10803.22293.22292.13582.13584.93354.14494.14492.54542.54541.7343
H133.72521.10803.22293.22292.13582.13584.93354.14494.14492.54542.54541.7343

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 122.098 C1 C3 H8 116.024
C1 C4 C6 122.098 C1 C4 H9 116.024
C2 C5 C3 122.577 C2 C5 H10 117.044
C2 C6 C4 122.577 C2 C6 H11 117.044
C3 C1 C4 116.002 C3 C1 O7 121.999
C3 C5 H10 120.379 C4 C1 O7 121.999
C4 C6 H11 120.379 C5 C2 C6 114.649
C5 C2 H12 109.636 C5 C2 H13 109.636
C5 C3 H8 121.878 C6 C2 H12 109.636
C6 C2 H13 109.636 C6 C4 H9 121.878
H12 C2 H13 103.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.186      
2 C -0.081      
3 C -0.134      
4 C -0.134      
5 C -0.110      
6 C -0.110      
7 O -0.278      
8 H 0.111      
9 H 0.111      
10 H 0.114      
11 H 0.114      
12 H 0.105      
13 H 0.105      


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 -4.567 4.567
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.150 0.000 0.000
y 0.000 -36.646 0.000
z 0.000 0.000 -45.121
Traceless
 xyz
x -1.266 0.000 0.000
y 0.000 6.990 0.000
z 0.000 0.000 -5.723
Polar
3z2-r2-11.447
x2-y2-5.504
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.853 0.000 0.000
y 0.000 10.674 0.000
z 0.000 0.000 14.792


<r2> (average value of r2) Å2
<r2> 188.417
(<r2>)1/2 13.727