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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-305.603248
Energy at 298.15K-305.610227
HF Energy-305.603248
Nuclear repulsion energy270.666186
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/6-311G*
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 3366 3044 0.65      
2 A1 3328 3010 17.10      
3 A1 3169 2866 25.20      
4 A1 1969 1781 497.37      
5 A1 1856 1679 0.23      
6 A1 1586 1434 7.90      
7 A1 1534 1388 3.24      
8 A1 1289 1166 10.57      
9 A1 1040 941 3.88      
10 A1 931 842 4.77      
11 A1 815 737 2.32      
12 A1 537 486 3.60      
13 A2 1333 1206 0.00      
14 A2 1117 1010 0.00      
15 A2 820 741 0.00      
16 A2 395 357 0.00      
17 B1 3184 2879 21.81      
18 B1 1139 1030 2.35      
19 B1 1048 948 36.39      
20 B1 935 846 58.00      
21 B1 634 574 21.04      
22 B1 336 304 2.56      
23 B1 134 121 1.69      
24 B2 3364 3042 28.14      
25 B2 3328 3010 18.67      
26 B2 1819 1645 1.11      
27 B2 1548 1400 29.52      
28 B2 1513 1368 7.07      
29 B2 1377 1245 40.92      
30 B2 1234 1116 12.29      
31 B2 1054 953 6.80      
32 B2 616 557 0.22      
33 B2 491 444 19.72      

Unscaled Zero Point Vibrational Energy (zpe) 24417.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 22083.4 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/6-311G*
ABC
0.17481 0.09093 0.06046

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.112
C2 0.000 0.000 -1.814
C3 0.000 1.259 0.328
C4 0.000 -1.259 0.328
C5 0.000 1.255 -0.994
C6 0.000 -1.255 -0.994
O7 0.000 0.000 2.305
H8 0.000 2.170 0.897
H9 0.000 -2.170 0.897
H10 0.000 2.186 -1.536
H11 0.000 -2.186 -1.536
H12 0.864 0.000 -2.476
H13 -0.864 0.000 -2.476

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92541.48281.48282.45172.45171.19272.18092.18093.43333.43333.69053.6905
C22.92542.48402.48401.49831.49834.11803.47273.47272.20352.20351.08901.0890
C31.48282.48402.51731.32252.84002.34321.07493.47592.08173.91643.19283.1928
C41.48282.48402.51732.84001.32252.34323.47591.07493.91642.08173.19283.1928
C52.45171.49831.32252.84002.50933.52952.10193.91281.07713.48292.12522.1252
C62.45171.49832.84001.32252.50933.52953.91282.10193.48291.07712.12522.1252
O71.19274.11802.34322.34323.52953.52952.58652.58654.41884.41884.85814.8581
H82.18093.47271.07493.47592.10193.91282.58654.34062.43334.98974.10344.1034
H92.18093.47273.47591.07493.91282.10192.58654.34064.98972.43334.10344.1034
H103.43332.20352.08173.91641.07713.48294.41882.43334.98974.37182.53172.5317
H113.43332.20353.91642.08173.48291.07714.41884.98972.43334.37182.53172.5317
H123.69051.08903.19283.19282.12522.12524.85814.10344.10342.53172.53171.7285
H133.69051.08903.19283.19282.12522.12524.85814.10344.10342.53172.53171.7285

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 121.738 C1 C3 H8 116.097
C1 C4 C6 121.738 C1 C4 H9 116.097
C2 C5 C3 123.311 C2 C5 H10 116.696
C2 C6 C4 123.311 C2 C6 H11 116.696
C3 C1 C4 116.176 C3 C1 O7 121.912
C3 C5 H10 119.992 C4 C1 O7 121.912
C4 C6 H11 119.992 C5 C2 C6 113.725
C5 C2 H12 109.426 C5 C2 H13 109.426
C5 C3 H8 122.165 C6 C2 H12 109.426
C6 C2 H13 109.426 C6 C4 H9 122.165
H12 C2 H13 105.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.416      
2 C -0.458      
3 C -0.309      
4 C -0.309      
5 C -0.165      
6 C -0.165      
7 O -0.434      
8 H 0.239      
9 H 0.239      
10 H 0.230      
11 H 0.230      
12 H 0.243      
13 H 0.243      


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 -4.698 4.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.851 0.000 0.000
y 0.000 -36.460 0.000
z 0.000 0.000 -46.182
Traceless
 xyz
x -1.530 0.000 0.000
y 0.000 8.057 0.000
z 0.000 0.000 -6.527
Polar
3z2-r2-13.053
x2-y2-6.391
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.848 0.000 0.000
y 0.000 8.331 0.000
z 0.000 0.000 13.472


<r2> (average value of r2) Å2
<r2> 185.883
(<r2>)1/2 13.634