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

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-307.426643
Energy at 298.15K-307.433201
HF Energy-307.426643
Nuclear repulsion energy269.661593
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 B3PW91/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 3200 3086 0.13      
2 A1 3164 3051 6.58      
3 A1 3002 2895 7.32      
4 A1 1747 1684 328.71      
5 A1 1706 1645 11.19      
6 A1 1421 1370 9.23      
7 A1 1415 1365 20.76      
8 A1 1196 1153 7.76      
9 A1 965 931 6.27      
10 A1 893 861 11.11      
11 A1 778 750 2.12      
12 A1 507 489 3.20      
13 A2 1201 1158 0.00      
14 A2 1000 964 0.00      
15 A2 746 719 0.00      
16 A2 357 344 0.00      
17 B1 3017 2909 3.63      
18 B1 1008 972 3.58      
19 B1 940 906 23.05      
20 B1 830 801 40.03      
21 B1 570 549 23.93      
22 B1 288 278 3.48      
23 B1 116 111 0.91      
24 B2 3199 3085 12.06      
25 B2 3163 3050 12.35      
26 B2 1669 1610 2.39      
27 B2 1423 1372 32.88      
28 B2 1380 1331 1.06      
29 B2 1276 1231 29.41      
30 B2 1144 1104 10.02      
31 B2 1001 965 7.02      
32 B2 578 557 1.32      
33 B2 458 441 13.45      

Unscaled Zero Point Vibrational Energy (zpe) 22677.6 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 21868.0 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 B3PW91/TZVP
ABC
0.17596 0.08966 0.06003

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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 -1.812
C3 0.000 1.251 0.329
C4 0.000 -1.251 0.329
C5 0.000 1.251 -1.007
C6 0.000 -1.251 -1.007
O7 0.000 0.000 2.330
H8 0.000 2.171 0.903
H9 0.000 -2.171 0.903
H10 0.000 2.190 -1.554
H11 0.000 -2.190 -1.554
H12 0.866 0.000 -2.491
H13 -0.866 0.000 -2.491

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92111.47411.47412.45772.45771.22112.18122.18123.44733.44733.70263.7026
C22.92112.48002.48001.48801.48804.14223.47643.47642.20522.20521.10011.1001
C31.47412.48002.50201.33572.83622.35981.08453.47012.10373.92233.20443.2044
C41.47412.48002.50202.83621.33572.35983.47011.08453.92232.10373.20443.2044
C52.45771.48801.33572.83622.50203.56342.11953.91891.08663.48422.12562.1256
C62.45771.48802.83621.33572.50203.56343.91892.11953.48421.08662.12562.1256
O71.22114.14222.35982.35983.56343.56342.59852.59854.45834.45834.89824.8982
H82.18123.47641.08453.47012.11953.91892.59854.34282.45615.00544.12094.1209
H92.18123.47643.47011.08453.91892.11952.59854.34285.00542.45614.12094.1209
H103.44732.20522.10373.92231.08663.48424.45832.45615.00544.38002.53472.5347
H113.44732.20523.92232.10373.48421.08664.45835.00542.45614.38002.53472.5347
H123.70261.10013.20443.20442.12562.12564.89824.12094.12092.53472.53471.7313
H133.70261.10013.20443.20442.12562.12564.89824.12094.12092.53472.53471.7313

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 121.937 C1 C3 H8 116.134
C1 C4 C6 121.937 C1 C4 H9 116.134
C2 C5 C3 122.782 C2 C5 H10 117.002
C2 C6 C4 122.782 C2 C6 H11 117.002
C3 C1 C4 116.127 C3 C1 O7 121.936
C3 C5 H10 120.216 C4 C1 O7 121.936
C4 C6 H11 120.216 C5 C2 C6 114.436
C5 C2 H12 109.519 C5 C2 H13 109.519
C5 C3 H8 121.929 C6 C2 H12 109.519
C6 C2 H13 109.519 C6 C4 H9 121.929
H12 C2 H13 103.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.226      
2 C -0.169      
3 C -0.201      
4 C -0.201      
5 C -0.106      
6 C -0.106      
7 O -0.294      
8 H 0.134      
9 H 0.134      
10 H 0.143      
11 H 0.143      
12 H 0.148      
13 H 0.148      


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 -4.806 4.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.216 0.000 0.000
y 0.000 -36.097 0.000
z 0.000 0.000 -45.639
Traceless
 xyz
x -1.348 0.000 0.000
y 0.000 7.831 0.000
z 0.000 0.000 -6.482
Polar
3z2-r2-12.965
x2-y2-6.120
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.050 0.000 0.000
y 0.000 9.769 0.000
z 0.000 0.000 14.632


<r2> (average value of r2) Å2
<r2> 186.725
(<r2>)1/2 13.665