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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-307.371977
Energy at 298.15K-307.378566
HF Energy-307.371977
Nuclear repulsion energy270.182225
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 B1B95/6-311G*
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 3219 3086 0.75      
2 A1 3182 3050 11.93      
3 A1 3026 2901 10.68      
4 A1 1788 1714 318.32      
5 A1 1731 1659 2.07      
6 A1 1442 1382 21.14      
7 A1 1423 1364 4.70      
8 A1 1197 1147 8.00      
9 A1 965 925 5.83      
10 A1 899 862 10.47      
11 A1 783 751 1.34      
12 A1 502 481 2.92      
13 A2 1217 1167 0.00      
14 A2 1014 972 0.00      
15 A2 750 719 0.00      
16 A2 358 343 0.00      
17 B1 3040 2914 7.94      
18 B1 1030 987 0.27      
19 B1 948 909 31.02      
20 B1 862 826 38.67      
21 B1 572 548 27.00      
22 B1 309 296 3.11      
23 B1 123 118 0.69      
24 B2 3217 3084 22.56      
25 B2 3181 3050 16.99      
26 B2 1694 1624 3.00      
27 B2 1440 1380 36.93      
28 B2 1395 1337 2.30      
29 B2 1283 1230 25.56      
30 B2 1146 1099 9.23      
31 B2 1009 967 7.21      
32 B2 571 547 0.71      
33 B2 451 432 15.45      

Unscaled Zero Point Vibrational Energy (zpe) 22882.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 21935.2 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 B1B95/6-311G*
ABC
0.17670 0.08997 0.06026

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

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 -1.810
C3 0.000 1.248 0.328
C4 0.000 -1.248 0.328
C5 0.000 1.248 -1.005
C6 0.000 -1.248 -1.005
O7 0.000 0.000 2.324
H8 0.000 2.167 0.902
H9 0.000 -2.167 0.902
H10 0.000 2.187 -1.550
H11 0.000 -2.187 -1.550
H12 0.864 0.000 -2.489
H13 -0.864 0.000 -2.489

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91931.47211.47212.45462.45461.21552.17702.17703.44263.44263.69983.6998
C22.91932.47652.47651.48581.48584.13483.47183.47182.20222.20221.09811.0981
C31.47212.47652.49641.33312.83022.35411.08323.46322.09983.91503.20003.2000
C41.47212.47652.49642.83021.33312.35413.46321.08323.91502.09983.20003.2000
C52.45461.48581.33312.83022.49673.55542.11643.91161.08533.47812.12292.1229
C62.45461.48582.83021.33312.49673.55543.91162.11643.47811.08532.12292.1229
O71.21554.13482.35412.35413.55543.55542.59232.59234.44894.44894.88994.8899
H82.17703.47181.08323.46322.11643.91162.59234.33432.45204.99684.11574.1157
H92.17703.47183.46321.08323.91162.11642.59234.33434.99682.45204.11574.1157
H103.44262.20222.09983.91501.08533.47814.44892.45204.99684.37342.53152.5315
H113.44262.20223.91502.09983.47811.08534.44894.99682.45204.37342.53152.5315
H123.69981.09813.20003.20002.12292.12294.88994.11574.11572.53152.53151.7271
H133.69981.09813.20003.20002.12292.12294.88994.11574.11572.53152.53151.7271

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 122.020 C1 C3 H8 116.015
C1 C4 C6 122.020 C1 C4 H9 116.015
C2 C5 C3 122.839 C2 C5 H10 116.992
C2 C6 C4 122.839 C2 C6 H11 116.992
C3 C1 C4 115.969 C3 C1 O7 122.015
C3 C5 H10 120.169 C4 C1 O7 122.015
C4 C6 H11 120.169 C5 C2 C6 114.313
C5 C2 H12 109.572 C5 C2 H13 109.572
C5 C3 H8 121.964 C6 C2 H12 109.572
C6 C2 H13 109.572 C6 C4 H9 121.964
H12 C2 H13 103.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.281      
2 C -0.502      
3 C -0.257      
4 C -0.257      
5 C -0.159      
6 C -0.159      
7 O -0.337      
8 H 0.221      
9 H 0.221      
10 H 0.218      
11 H 0.218      
12 H 0.256      
13 H 0.256      


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 -4.504 4.504
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.115 0.000 0.000
y 0.000 -35.954 0.000
z 0.000 0.000 -44.705
Traceless
 xyz
x -1.785 0.000 0.000
y 0.000 7.456 0.000
z 0.000 0.000 -5.670
Polar
3z2-r2-11.341
x2-y2-6.161
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.937 0.000 0.000
y 0.000 9.310 0.000
z 0.000 0.000 13.765


<r2> (average value of r2) Å2
<r2> 185.896
(<r2>)1/2 13.634