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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-305.561556
Energy at 298.15K-305.568525
HF Energy-305.561556
Nuclear repulsion energy270.303142
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 HF/6-31+G**
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 3376 3053 0.08      
2 A1 3337 3017 9.59      
3 A1 3166 2863 16.94      
4 A1 1961 1773 550.64      
5 A1 1855 1677 0.99      
6 A1 1573 1422 8.44      
7 A1 1534 1387 3.70      
8 A1 1289 1165 10.42      
9 A1 1041 941 3.90      
10 A1 933 844 5.54      
11 A1 820 741 2.57      
12 A1 537 486 3.78      
13 A2 1322 1195 0.00      
14 A2 1120 1013 0.00      
15 A2 822 743 0.00      
16 A2 396 358 0.00      
17 B1 3187 2882 10.60      
18 B1 1139 1030 2.97      
19 B1 1042 942 43.04      
20 B1 921 832 59.69      
21 B1 632 571 22.69      
22 B1 334 302 2.49      
23 B1 130 117 1.71      
24 B2 3374 3051 15.36      
25 B2 3337 3017 14.61      
26 B2 1819 1645 0.46      
27 B2 1549 1401 30.54      
28 B2 1509 1365 6.25      
29 B2 1383 1250 42.86      
30 B2 1235 1117 10.25      
31 B2 1056 955 6.29      
32 B2 617 558 0.33      
33 B2 491 444 19.22      

Unscaled Zero Point Vibrational Energy (zpe) 24417.4 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 22078.2 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 HF/6-31+G**
ABC
0.17452 0.09067 0.06032

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.109
C2 0.000 0.000 -1.815
C3 0.000 1.260 0.329
C4 0.000 -1.260 0.329
C5 0.000 1.255 -0.997
C6 0.000 -1.255 -0.997
O7 0.000 0.000 2.309
H8 0.000 2.172 0.899
H9 0.000 -2.172 0.899
H10 0.000 2.187 -1.538
H11 0.000 -2.187 -1.538
H12 0.866 0.000 -2.477
H13 -0.866 0.000 -2.477

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92451.48191.48192.45152.45151.20032.18182.18183.43353.43353.68883.6888
C22.92452.48762.48761.49881.49884.12483.47643.47642.20452.20451.08961.0896
C31.48192.48762.52031.32602.84362.34701.07503.47882.08453.92033.19563.1956
C41.48192.48762.52032.84361.32602.34703.47881.07503.92032.08453.19563.1956
C52.45151.49881.32602.84362.51073.53632.10573.91651.07743.48462.12522.1252
C62.45151.49882.84361.32602.51073.53633.91652.10573.48461.07742.12522.1252
O71.20034.12482.34702.34703.53633.53632.58932.58934.42534.42534.86384.8638
H82.18183.47641.07503.47882.10573.91652.58934.34342.43714.99374.10654.1065
H92.18183.47643.47881.07503.91652.10572.58934.34344.99372.43714.10654.1065
H103.43352.20452.08453.92031.07743.48464.42532.43714.99374.37392.53262.5326
H113.43352.20453.92032.08453.48461.07744.42534.99372.43714.37392.53262.5326
H123.68881.08963.19563.19562.12522.12524.86384.10654.10652.53262.53261.7319
H133.68881.08963.19563.19562.12522.12524.86384.10654.10652.53262.53261.7319

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 121.541 C1 C3 H8 116.238
C1 C4 C6 121.541 C1 C4 H9 116.238
C2 C5 C3 123.319 C2 C5 H10 116.734
C2 C6 C4 123.319 C2 C6 H11 116.734
C3 C1 C4 116.505 C3 C1 O7 121.748
C3 C5 H10 119.946 C4 C1 O7 121.748
C4 C6 H11 119.946 C5 C2 C6 113.774
C5 C2 H12 109.363 C5 C2 H13 109.363
C5 C3 H8 122.221 C6 C2 H12 109.363
C6 C2 H13 109.363 C6 C4 H9 122.221
H12 C2 H13 105.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.406      
3 C 0.090      
4 C 0.090      
5 C -0.057      
6 C -0.057      
7 O -0.549      
8 H 0.186      
9 H 0.186      
10 H 0.171      
11 H 0.171      
12 H 0.161      
13 H 0.161      


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 -5.080 5.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.248 0.000 0.000
y 0.000 -36.641 0.000
z 0.000 0.000 -47.192
Traceless
 xyz
x -1.331 0.000 0.000
y 0.000 8.579 0.000
z 0.000 0.000 -7.247
Polar
3z2-r2-14.495
x2-y2-6.607
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.260 0.000 0.000
y 0.000 8.743 0.000
z 0.000 0.000 14.343


<r2> (average value of r2) Å2
<r2> 186.578
(<r2>)1/2 13.659