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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-307.225483
Energy at 298.15K-307.232204
HF Energy-307.225483
Nuclear repulsion energy268.772616
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 3257 3106 0.04      
2 A1 3216 3067 6.10      
3 A1 3030 2890 7.79      
4 A1 1765 1683 135.10      
5 A1 1693 1615 110.88      
6 A1 1480 1411 26.68      
7 A1 1448 1381 0.21      
8 A1 1228 1172 7.83      
9 A1 985 940 5.68      
10 A1 910 867 11.41      
11 A1 798 761 0.27      
12 A1 514 490 3.44      
13 A2 1229 1172 0.00      
14 A2 1047 998 0.00      
15 A2 775 739 0.00      
16 A2 373 356 0.00      
17 B1 3053 2911 6.64      
18 B1 1064 1014 0.02      
19 B1 975 929 21.89      
20 B1 866 826 51.97      
21 B1 593 565 29.14      
22 B1 325 310 4.18      
23 B1 132 126 0.91      
24 B2 3254 3104 19.42      
25 B2 3214 3066 16.42      
26 B2 1708 1629 5.88      
27 B2 1455 1388 35.04      
28 B2 1412 1347 1.20      
29 B2 1324 1263 26.26      
30 B2 1179 1125 8.32      
31 B2 1030 982 8.78      
32 B2 591 564 0.78      
33 B2 450 429 15.45      

Unscaled Zero Point Vibrational Energy (zpe) 23185.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 22111.8 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
0.17618 0.08866 0.05961

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 1.102
C2 0.000 0.000 -1.823
C3 0.000 1.249 0.330
C4 0.000 -1.249 0.330
C5 0.000 1.252 -1.011
C6 0.000 -1.252 -1.011
O7 0.000 0.000 2.350
H8 0.000 2.165 0.906
H9 0.000 -2.165 0.906
H10 0.000 2.190 -1.556
H11 0.000 -2.190 -1.556
H12 0.868 0.000 -2.500
H13 -0.868 0.000 -2.500

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92451.46761.46762.45592.45591.24812.17412.17413.44423.44423.70473.7047
C22.92452.48892.48891.49231.49234.17263.48363.48362.20662.20661.10061.1006
C31.46762.48892.49711.34132.83782.37431.08263.46212.10863.92253.21283.2128
C41.46762.48892.49712.83781.34132.37433.46211.08263.92252.10863.21283.2128
C52.45591.49231.34132.83782.50443.58652.12353.91851.08523.48562.13022.1302
C62.45591.49232.83781.34132.50443.58653.91852.12353.48561.08522.13022.1302
O71.24814.17262.37432.37433.58653.58652.60252.60254.47834.47834.92684.9268
H82.17413.48361.08263.46212.12353.91852.60254.33072.46255.00364.12834.1283
H92.17413.48363.46211.08263.91852.12352.60254.33075.00362.46254.12834.1283
H103.44422.20662.10863.92251.08523.48564.47832.46255.00364.38102.53802.5380
H113.44422.20663.92252.10863.48561.08524.47835.00362.46254.38102.53802.5380
H123.70471.10063.21283.21282.13022.13024.92684.12834.12832.53802.53801.7351
H133.70471.10063.21283.21282.13022.13024.92684.12834.12832.53802.53801.7351

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 121.864 C1 C3 H8 116.156
C1 C4 C6 121.864 C1 C4 H9 116.156
C2 C5 C3 122.800 C2 C5 H10 116.885
C2 C6 C4 122.800 C2 C6 H11 116.885
C3 C1 C4 116.583 C3 C1 O7 121.709
C3 C5 H10 120.316 C4 C1 O7 121.709
C4 C6 H11 120.316 C5 C2 C6 114.090
C5 C2 H12 109.556 C5 C2 H13 109.556
C5 C3 H8 121.980 C6 C2 H12 109.556
C6 C2 H13 109.556 C6 C4 H9 121.980
H12 C2 H13 104.049
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 0.255      
2 C -0.418      
3 C -0.123      
4 C -0.123      
5 C -0.122      
6 C -0.122      
7 O -0.458      
8 H 0.179      
9 H 0.179      
10 H 0.171      
11 H 0.171      
12 H 0.205      
13 H 0.205      


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 -4.945 4.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.723 0.000 0.000
y 0.000 -35.547 0.000
z 0.000 0.000 -45.664
Traceless
 xyz
x -1.117 0.000 0.000
y 0.000 8.146 0.000
z 0.000 0.000 -7.029
Polar
3z2-r2-14.058
x2-y2-6.176
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.010 0.000 0.000
y 0.000 8.577 0.000
z 0.000 0.000 13.647


<r2> (average value of r2) Å2
<r2> 187.546
(<r2>)1/2 13.695