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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-307.342710
Energy at 298.15K-307.349163
HF Energy-307.342710
Nuclear repulsion energy266.927460
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 BLYP/6-31G(2df,p)
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 3111 3094 0.95      
2 A1 3073 3056 11.57      
3 A1 2904 2888 14.11      
4 A1 1661 1652 210.48      
5 A1 1633 1624 9.03      
6 A1 1388 1380 15.81      
7 A1 1375 1367 1.77      
8 A1 1161 1155 5.06      
9 A1 931 926 7.22      
10 A1 856 851 7.66      
11 A1 746 742 1.38      
12 A1 490 488 2.63      
13 A2 1156 1150 0.00      
14 A2 978 973 0.00      
15 A2 733 729 0.00      
16 A2 349 347 0.00      
17 B1 2907 2891 8.63      
18 B1 998 993 0.04      
19 B1 928 923 17.30      
20 B1 841 837 20.84      
21 B1 565 562 15.36      
22 B1 310 309 2.55      
23 B1 128 127 0.70      
24 B2 3109 3092 26.08      
25 B2 3072 3055 17.40      
26 B2 1595 1586 3.04      
27 B2 1361 1353 25.13      
28 B2 1325 1318 0.07      
29 B2 1226 1219 25.01      
30 B2 1101 1095 11.91      
31 B2 961 956 5.67      
32 B2 559 555 1.35      
33 B2 437 434 12.04      

Unscaled Zero Point Vibrational Energy (zpe) 21983.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 21862.1 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 BLYP/6-31G(2df,p)
ABC
0.17302 0.08758 0.05877

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.122
C2 0.000 0.000 -1.834
C3 0.000 1.260 0.332
C4 0.000 -1.260 0.332
C5 0.000 1.264 -1.018
C6 0.000 -1.264 -1.018
O7 0.000 0.000 2.358
H8 0.000 2.184 0.914
H9 0.000 -2.184 0.914
H10 0.000 2.208 -1.572
H11 0.000 -2.208 -1.572
H12 0.870 0.000 -2.523
H13 -0.870 0.000 -2.523

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.95631.48731.48732.48552.48551.23552.19432.19433.48313.48313.74763.7476
C22.95632.50582.50581.50511.50514.19183.51023.51022.22362.22361.10991.1099
C31.48732.50582.51981.34952.86232.38561.09233.49302.12663.95603.23963.2396
C41.48732.50582.51982.86231.34952.38563.49301.09233.95602.12663.23963.2396
C52.48551.50511.34952.86232.52873.60432.13923.95261.09433.51632.14992.1499
C62.48551.50512.86231.34952.52873.60433.95262.13923.51631.09432.14992.1499
O71.23554.19182.38562.38563.60433.60432.61852.61854.50724.50724.95764.9576
H82.19433.51021.09233.49302.13923.95262.61854.36872.48535.04674.16404.1640
H92.19433.51023.49301.09233.95262.13922.61854.36875.04672.48534.16404.1640
H103.48312.22362.12663.95601.09433.51634.50722.48535.04674.41612.55692.5569
H113.48312.22363.95602.12663.51631.09434.50725.04672.48534.41612.55692.5569
H123.74761.10993.23963.23962.14992.14994.95764.16404.16402.55692.55691.7405
H133.74761.10993.23963.23962.14992.14994.95764.16404.16402.55692.55691.7405

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 122.290 C1 C3 H8 115.720
C1 C4 C6 122.290 C1 C4 H9 115.720
C2 C5 C3 122.664 C2 C5 H10 116.731
C2 C6 C4 122.664 C2 C6 H11 116.731
C3 C1 C4 115.799 C3 C1 O7 122.100
C3 C5 H10 120.605 C4 C1 O7 122.100
C4 C6 H11 120.605 C5 C2 C6 114.294
C5 C2 H12 109.676 C5 C2 H13 109.676
C5 C3 H8 121.990 C6 C2 H12 109.676
C6 C2 H13 109.676 C6 C4 H9 121.990
H12 C2 H13 103.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 C -0.320      
3 C -0.129      
4 C -0.129      
5 C -0.018      
6 C -0.018      
7 O -0.323      
8 H 0.084      
9 H 0.084      
10 H 0.086      
11 H 0.086      
12 H 0.126      
13 H 0.126      


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 -4.246 4.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.068 0.000 0.000
y 0.000 -36.459 0.000
z 0.000 0.000 -44.677
Traceless
 xyz
x -0.500 0.000 0.000
y 0.000 6.413 0.000
z 0.000 0.000 -5.913
Polar
3z2-r2-11.826
x2-y2-4.609
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.994 0.000 0.000
y 0.000 9.917 0.000
z 0.000 0.000 13.963


<r2> (average value of r2) Å2
<r2> 189.778
(<r2>)1/2 13.776