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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-307.305604
Energy at 298.15K-307.312183
HF Energy-307.305604
Nuclear repulsion energy269.635225
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 B1B95/6-31G*
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 3243 3078 0.48      
2 A1 3205 3042 7.96      
3 A1 3035 2881 8.86      
4 A1 1806 1714 290.67      
5 A1 1744 1655 0.46      
6 A1 1456 1383 17.21      
7 A1 1431 1358 3.33      
8 A1 1202 1142 5.83      
9 A1 966 917 5.30      
10 A1 903 857 9.85      
11 A1 787 747 0.99      
12 A1 501 476 2.78      
13 A2 1213 1152 0.00      
14 A2 1018 966 0.00      
15 A2 753 715 0.00      
16 A2 359 341 0.00      
17 B1 3056 2901 6.53      
18 B1 1035 983 0.11      
19 B1 956 908 21.99      
20 B1 860 816 39.08      
21 B1 575 546 20.17      
22 B1 313 298 3.72      
23 B1 128 121 0.80      
24 B2 3241 3077 16.73      
25 B2 3204 3041 16.31      
26 B2 1708 1621 2.99      
27 B2 1447 1373 36.54      
28 B2 1402 1331 3.04      
29 B2 1291 1225 26.41      
30 B2 1151 1092 8.05      
31 B2 1014 962 5.68      
32 B2 571 542 0.49      
33 B2 449 426 15.48      

Unscaled Zero Point Vibrational Energy (zpe) 23009.7 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 21843.1 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 B1B95/6-31G*
ABC
0.17611 0.08959 0.06002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

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 -1.814
C3 0.000 1.251 0.330
C4 0.000 -1.251 0.330
C5 0.000 1.251 -1.007
C6 0.000 -1.251 -1.007
O7 0.000 0.000 2.330
H8 0.000 2.170 0.905
H9 0.000 -2.170 0.905
H10 0.000 2.189 -1.554
H11 0.000 -2.189 -1.554
H12 0.866 0.000 -2.493
H13 -0.866 0.000 -2.493

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92311.47331.47332.45742.45741.22152.17932.17933.44713.44713.70403.7040
C22.92312.48222.48221.48871.48874.14463.47883.47882.20462.20461.10001.1000
C31.47332.48222.50101.33642.83572.35911.08433.46832.10473.92173.20623.2062
C41.47332.48222.50102.83571.33642.35913.46831.08433.92172.10473.20623.2062
C52.45741.48871.33642.83572.50113.56352.12103.91821.08653.48302.12652.1265
C62.45741.48872.83571.33642.50113.56353.91822.12103.48301.08652.12652.1265
O71.22154.14462.35912.35913.56353.56352.59602.59604.45864.45864.89994.8999
H82.17933.47881.08433.46832.12103.91822.59604.33952.45895.00464.12314.1231
H92.17933.47883.46831.08433.91822.12102.59604.33955.00462.45894.12314.1231
H103.44712.20462.10473.92171.08653.48304.45862.45895.00464.37832.53442.5344
H113.44712.20463.92172.10473.48301.08654.45865.00462.45894.37832.53442.5344
H123.70401.10003.20623.20622.12652.12654.89994.12314.12312.53442.53441.7321
H133.70401.10003.20623.20622.12652.12654.89994.12314.12312.53442.53441.7321

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 121.921 C1 C3 H8 116.049
C1 C4 C6 121.921 C1 C4 H9 116.049
C2 C5 C3 122.857 C2 C5 H10 116.892
C2 C6 C4 122.857 C2 C6 H11 116.892
C3 C1 C4 116.162 C3 C1 O7 121.919
C3 C5 H10 120.251 C4 C1 O7 121.919
C4 C6 H11 120.251 C5 C2 C6 114.283
C5 C2 H12 109.544 C5 C2 H13 109.544
C5 C3 H8 122.029 C6 C2 H12 109.544
C6 C2 H13 109.544 C6 C4 H9 122.029
H12 C2 H13 103.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.411      
2 C -0.399      
3 C -0.173      
4 C -0.173      
5 C -0.137      
6 C -0.137      
7 O -0.496      
8 H 0.176      
9 H 0.176      
10 H 0.172      
11 H 0.172      
12 H 0.203      
13 H 0.203      


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 -4.470 4.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.287 0.000 0.000
y 0.000 -35.507 0.000
z 0.000 0.000 -44.245
Traceless
 xyz
x -1.411 0.000 0.000
y 0.000 7.259 0.000
z 0.000 0.000 -5.848
Polar
3z2-r2-11.696
x2-y2-5.780
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.294 0.000 0.000
y 0.000 8.890 0.000
z 0.000 0.000 13.376


<r2> (average value of r2) Å2
<r2> 186.155
(<r2>)1/2 13.644