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

using model chemistry: B2PLYP=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-307.156876
Energy at 298.15K-307.163410
HF Energy-306.821352
Nuclear repulsion energy268.379718
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/6-31+G**
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 3241 3082 0.09      
2 A1 3205 3048 7.61      
3 A1 3039 2890 8.37      
4 A1 1728 1644 227.92      
5 A1 1682 1600 80.20      
6 A1 1458 1387 20.05      
7 A1 1430 1360 1.65      
8 A1 1205 1146 8.26      
9 A1 970 922 5.58      
10 A1 894 850 9.80      
11 A1 781 743 2.16      
12 A1 506 481 2.82      
13 A2 1207 1148 0.00      
14 A2 1000 951 0.00      
15 A2 748 711 0.00      
16 A2 355 337 0.00      
17 B1 3060 2910 4.42      
18 B1 1012 963 3.28      
19 B1 951 905 24.69      
20 B1 822 781 45.18      
21 B1 568 541 21.82      
22 B1 284 270 2.96      
23 B1 118 112 1.01      
24 B2 3239 3081 14.28      
25 B2 3205 3048 14.33      
26 B2 1664 1583 2.53      
27 B2 1440 1369 34.12      
28 B2 1398 1329 1.45      
29 B2 1294 1231 28.47      
30 B2 1155 1098 8.69      
31 B2 1005 956 6.18      
32 B2 580 552 1.37      
33 B2 453 431 14.04      

Unscaled Zero Point Vibrational Energy (zpe) 22848.0 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 21728.5 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/6-31+G**
ABC
0.17464 0.08868 0.05944

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

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 -1.825
C3 0.000 1.256 0.333
C4 0.000 -1.256 0.333
C5 0.000 1.256 -1.013
C6 0.000 -1.256 -1.013
O7 0.000 0.000 2.344
H8 0.000 2.175 0.907
H9 0.000 -2.175 0.907
H10 0.000 2.196 -1.556
H11 0.000 -2.196 -1.556
H12 0.868 0.000 -2.499
H13 -0.868 0.000 -2.499

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93361.47651.47652.46552.46551.23532.18472.18473.45323.45323.71033.7103
C22.93362.49692.49691.49591.49594.16903.49203.49202.21242.21241.09871.0987
C31.47652.49692.51251.34562.85022.37131.08363.47932.11003.93543.21703.2170
C41.47652.49692.51252.85021.34562.37133.47931.08363.93542.11003.21703.2170
C52.46551.49591.34562.85022.51253.58422.12823.93201.08563.49482.13052.1305
C62.46551.49592.85021.34562.51253.58423.93202.12823.49481.08562.13052.1305
O71.23534.16902.37132.37133.58423.58422.60732.60734.47604.47604.91984.9198
H82.18473.49201.08363.47932.12823.93202.60734.35072.46315.01754.13314.1331
H92.18473.49203.47931.08363.93202.12822.60734.35075.01752.46314.13314.1331
H103.45322.21242.11003.93541.08563.49484.47602.46315.01754.39212.54242.5424
H113.45322.21243.93542.11003.49481.08564.47605.01752.46314.39212.54242.5424
H123.71031.09873.21703.21702.13052.13054.91984.13314.13312.54242.54241.7358
H133.71031.09873.21703.21702.13052.13054.91984.13314.13312.54242.54241.7358

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 121.698 C1 C3 H8 116.320
C1 C4 C6 121.698 C1 C4 H9 116.320
C2 C5 C3 122.882 C2 C5 H10 117.078
C2 C6 C4 122.882 C2 C6 H11 117.078
C3 C1 C4 116.603 C3 C1 O7 121.698
C3 C5 H10 120.040 C4 C1 O7 121.698
C4 C6 H11 120.040 C5 C2 C6 114.235
C5 C2 H12 109.446 C5 C2 H13 109.446
C5 C3 H8 121.982 C6 C2 H12 109.446
C6 C2 H13 109.446 C6 C4 H9 121.982
H12 C2 H13 104.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability