return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-307.412153
Energy at 298.15K-307.418699
HF Energy-307.412153
Nuclear repulsion energy269.701434
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 M06-2X/TZVP
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 3224 3050 0.00      
2 A1 3178 3007 2.44      
3 A1 3039 2875 2.81      
4 A1 1804 1707 382.26      
5 A1 1732 1639 0.06      
6 A1 1441 1363 18.98      
7 A1 1424 1347 7.26      
8 A1 1202 1137 7.61      
9 A1 967 915 5.51      
10 A1 896 848 9.97      
11 A1 782 740 2.83      
12 A1 508 480 2.97      
13 A2 1223 1157 0.00      
14 A2 1019 964 0.00      
15 A2 758 717 0.00      
16 A2 355 336 0.00      
17 B1 3060 2896 2.10      
18 B1 1022 967 5.60      
19 B1 953 901 24.23      
20 B1 822 777 47.11      
21 B1 574 543 20.02      
22 B1 267 253 2.77      
23 B1 107 102 1.19      
24 B2 3222 3049 5.07      
25 B2 3177 3006 9.35      
26 B2 1696 1605 1.34      
27 B2 1436 1359 35.64      
28 B2 1394 1319 2.07      
29 B2 1286 1217 29.72      
30 B2 1154 1092 8.60      
31 B2 1009 954 6.20      
32 B2 581 549 0.69      
33 B2 464 439 14.76      

Unscaled Zero Point Vibrational Energy (zpe) 22886.2 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 21655.0 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 M06-2X/TZVP
ABC
0.17490 0.09000 0.06007

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

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 -1.813
C3 0.000 1.257 0.328
C4 0.000 -1.257 0.328
C5 0.000 1.254 -1.003
C6 0.000 -1.254 -1.003
O7 0.000 0.000 2.323
H8 0.000 2.174 0.905
H9 0.000 -2.174 0.905
H10 0.000 2.191 -1.550
H11 0.000 -2.191 -1.550
H12 0.868 0.000 -2.484
H13 -0.868 0.000 -2.484

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92231.47971.47972.45652.45651.21372.18342.18343.44573.44573.69663.6966
C22.92232.48342.48341.49281.49284.13603.48073.48072.20662.20661.09701.0970
C31.47972.48342.51421.33172.84242.35741.08303.47912.09823.92673.20083.2008
C41.47972.48342.51422.84241.33172.35743.47911.08303.92672.09823.20083.2008
C52.45651.49281.33172.84242.50793.55452.11853.92321.08503.48812.12582.1258
C62.45651.49282.84241.33172.50793.55453.92322.11853.48811.08502.12582.1258
O71.21374.13602.35742.35743.55453.55452.59522.59524.44994.44994.88474.8847
H82.18343.48071.08303.47912.11853.92322.59524.34772.45565.00814.11914.1191
H92.18343.48073.47911.08303.92322.11852.59524.34775.00812.45564.11914.1191
H103.44572.20662.09823.92671.08503.48814.44992.45565.00814.38182.53482.5348
H113.44572.20663.92672.09823.48811.08504.44995.00812.45564.38182.53482.5348
H123.69661.09703.20083.20082.12582.12584.88474.11914.11912.53482.53481.7357
H133.69661.09703.20083.20082.12582.12584.88474.11914.11912.53482.53481.7357

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 121.702 C1 C3 H8 115.991
C1 C4 C6 121.702 C1 C4 H9 115.991
C2 C5 C3 122.996 C2 C5 H10 116.853
C2 C6 C4 122.996 C2 C6 H11 116.853
C3 C1 C4 116.326 C3 C1 O7 121.837
C3 C5 H10 120.151 C4 C1 O7 121.837
C4 C6 H11 120.151 C5 C2 C6 114.280
C5 C2 H12 109.384 C5 C2 H13 109.384
C5 C3 H8 122.307 C6 C2 H12 109.384
C6 C2 H13 109.384 C6 C4 H9 122.307
H12 C2 H13 104.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.228      
2 C -0.358      
3 C -0.211      
4 C -0.211      
5 C -0.078      
6 C -0.078      
7 O -0.328      
8 H 0.170      
9 H 0.170      
10 H 0.172      
11 H 0.172      
12 H 0.176      
13 H 0.176      


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 -4.715 4.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.702 0.000 0.000
y 0.000 -36.389 0.000
z 0.000 0.000 -45.993
Traceless
 xyz
x -1.511 0.000 0.000
y 0.000 7.958 0.000
z 0.000 0.000 -6.447
Polar
3z2-r2-12.895
x2-y2-6.313
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.062 0.000 0.000
y 0.000 9.396 0.000
z 0.000 0.000 14.308


<r2> (average value of r2) Å2
<r2> 186.863
(<r2>)1/2 13.670