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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-303.466352
Energy at 298.15K-303.472515
HF Energy-303.466352
Nuclear repulsion energy264.104984
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/STO-3G
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 3479 3079 1.77      
2 A1 3449 3052 19.91      
3 A1 3306 2925 0.49      
4 A1 1855 1642 40.04      
5 A1 1768 1565 19.81      
6 A1 1629 1442 7.62      
7 A1 1511 1337 3.14      
8 A1 1269 1123 0.89      
9 A1 984 871 0.79      
10 A1 944 835 3.24      
11 A1 786 696 1.33      
12 A1 507 449 0.38      
13 A2 1299 1149 0.00      
14 A2 1075 951 0.00      
15 A2 770 681 0.00      
16 A2 378 334 0.00      
17 B1 3386 2997 0.18      
18 B1 1080 956 0.18      
19 B1 1027 909 1.76      
20 B1 848 751 29.91      
21 B1 594 526 14.22      
22 B1 300 265 0.61      
23 B1 108 95 0.11      
24 B2 3478 3078 0.45      
25 B2 3447 3050 0.31      
26 B2 1810 1602 3.15      
27 B2 1508 1335 6.44      
28 B2 1479 1309 5.62      
29 B2 1310 1159 36.56      
30 B2 1202 1064 12.14      
31 B2 1066 944 4.41      
32 B2 598 529 0.83      
33 B2 438 388 6.62      

Unscaled Zero Point Vibrational Energy (zpe) 24342.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 21543.4 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 B3PW91/STO-3G
ABC
0.16978 0.08527 0.05737

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.140
C2 0.000 0.000 -1.858
C3 0.000 1.275 0.319
C4 0.000 -1.275 0.319
C5 0.000 1.273 -1.023
C6 0.000 -1.273 -1.023
O7 0.000 0.000 2.403
H8 0.000 2.218 0.883
H9 0.000 -2.218 0.883
H10 0.000 2.218 -1.586
H11 0.000 -2.218 -1.586
H12 0.882 0.000 -2.532
H13 -0.882 0.000 -2.532

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.99811.51601.51602.50982.50981.26352.23262.23263.51443.51443.77603.7760
C22.99812.52352.52351.52241.52244.26173.52603.52602.23502.23501.10941.1094
C31.51602.52352.54971.34282.87992.44291.09843.53772.12633.97913.24543.2454
C41.51602.52352.54972.87991.34282.44293.53771.09843.97912.12633.24543.2454
C52.50981.52241.34282.87992.54583.65542.12753.97721.10023.53632.16182.1618
C62.50981.52242.87991.34282.54583.65543.97722.12753.53631.10022.16182.1618
O71.26354.26172.44292.44293.65543.65542.68892.68894.56464.56465.01335.0133
H82.23263.52601.09843.53772.12753.97722.68894.43552.46895.07684.16604.1660
H92.23263.52603.53771.09843.97722.12752.68894.43555.07682.46894.16604.1660
H103.51442.23502.12633.97911.10023.53634.56462.46895.07684.43662.56762.5676
H113.51442.23503.97912.12633.53631.10024.56465.07682.46894.43662.56762.5676
H123.77601.10943.24543.24542.16182.16185.01334.16604.16602.56762.56761.7632
H133.77601.10943.24543.24542.16182.16185.01334.16604.16602.56762.56761.7632

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 122.677 C1 C3 H8 116.381
C1 C4 C6 122.677 C1 C4 H9 116.381
C2 C5 C3 123.349 C2 C5 H10 115.972
C2 C6 C4 123.349 C2 C6 H11 115.972
C3 C1 C4 114.479 C3 C1 O7 122.760
C3 C5 H10 120.679 C4 C1 O7 122.760
C4 C6 H11 120.679 C5 C2 C6 113.468
C5 C2 H12 109.452 C5 C2 H13 109.452
C5 C3 H8 120.942 C6 C2 H12 109.452
C6 C2 H13 109.452 C6 C4 H9 120.942
H12 C2 H13 105.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.129      
2 C -0.154      
3 C -0.103      
4 C -0.103      
5 C -0.066      
6 C -0.066      
7 O -0.182      
8 H 0.090      
9 H 0.090      
10 H 0.085      
11 H 0.085      
12 H 0.098      
13 H 0.098      


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 -2.770 2.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.018 0.000 0.000
y 0.000 -34.623 0.000
z 0.000 0.000 -39.699
Traceless
 xyz
x -0.857 0.000 0.000
y 0.000 4.236 0.000
z 0.000 0.000 -3.379
Polar
3z2-r2-6.758
x2-y2-3.396
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.825 0.000 0.000
y 0.000 5.387 0.000
z 0.000 0.000 9.287


<r2> (average value of r2) Å2
<r2> 191.491
(<r2>)1/2 13.838