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

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-307.179456
Energy at 298.15K-307.186055
HF Energy-306.839006
Nuclear repulsion energy267.827343
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 B2PLYP=FULL/aug-cc-pVDZ
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 3218 3095 0.05      
2 A1 3183 3062 7.26      
3 A1 3018 2903 9.44      
4 A1 1711 1645 199.61      
5 A1 1666 1602 107.04      
6 A1 1423 1368 19.42      
7 A1 1406 1352 3.16      
8 A1 1185 1140 7.02      
9 A1 960 923 4.95      
10 A1 892 858 10.33      
11 A1 778 749 1.96      
12 A1 501 482 2.80      
13 A2 1196 1150 0.00      
14 A2 997 959 0.00      
15 A2 745 716 0.00      
16 A2 362 348 0.00      
17 B1 3038 2922 4.31      
18 B1 1010 971 0.28      
19 B1 942 906 30.34      
20 B1 851 818 28.52      
21 B1 571 550 23.76      
22 B1 310 298 2.32      
23 B1 122 118 1.12      
24 B2 3217 3094 13.64      
25 B2 3183 3061 12.15      
26 B2 1653 1590 3.43      
27 B2 1425 1371 35.51      
28 B2 1377 1324 1.47      
29 B2 1277 1228 23.91      
30 B2 1135 1092 5.79      
31 B2 998 960 5.55      
32 B2 575 553 1.18      
33 B2 450 433 13.36      

Unscaled Zero Point Vibrational Energy (zpe) 22685.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 21819.3 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
0.17399 0.08834 0.05922

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.113
C2 0.000 0.000 -1.828
C3 0.000 1.258 0.334
C4 0.000 -1.258 0.334
C5 0.000 1.258 -1.015
C6 0.000 -1.258 -1.015
O7 0.000 0.000 2.347
H8 0.000 2.184 0.910
H9 0.000 -2.184 0.910
H10 0.000 2.203 -1.562
H11 0.000 -2.203 -1.562
H12 0.872 0.000 -2.506
H13 -0.872 0.000 -2.506

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94031.47971.47972.47172.47171.23422.19372.19373.46543.46543.72253.7225
C22.94032.50142.50141.49721.49724.17453.50223.50222.21932.21931.10471.1047
C31.47972.50142.51661.34942.85492.37371.09043.49042.11873.94703.22673.2267
C41.47972.50142.51662.85491.34942.37373.49041.09043.94702.11873.22673.2267
C52.47171.49721.34942.85492.51513.58962.13663.94371.09253.50382.13652.1365
C62.47171.49722.85491.34942.51513.58963.94372.13663.50381.09252.13652.1365
O71.23424.17452.37372.37373.58963.58962.61462.61464.48714.48714.93094.9309
H82.19373.50221.09043.49042.13663.94372.61464.36862.47205.03604.14754.1475
H92.19373.50223.49041.09043.94372.13662.61464.36865.03602.47204.14754.1475
H103.46542.21932.11873.94701.09253.50384.48712.47205.03604.40662.55072.5507
H113.46542.21933.94702.11873.50381.09254.48715.03602.47204.40662.55072.5507
H123.72251.10473.22673.22672.13652.13654.93094.14754.14752.55072.55071.7432
H133.72251.10473.22673.22672.13652.13654.93094.14754.14752.55072.55071.7432

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 121.711 C1 C3 H8 116.385
C1 C4 C6 121.711 C1 C4 H9 116.385
C2 C5 C3 122.896 C2 C5 H10 117.099
C2 C6 C4 122.896 C2 C6 H11 117.099
C3 C1 C4 116.512 C3 C1 O7 121.744
C3 C5 H10 120.005 C4 C1 O7 121.744
C4 C6 H11 120.005 C5 C2 C6 114.273
C5 C2 H12 109.475 C5 C2 H13 109.475
C5 C3 H8 121.904 C6 C2 H12 109.475
C6 C2 H13 109.475 C6 C4 H9 121.904
H12 C2 H13 104.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability