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

using model chemistry: B2PLYP=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-307.326405
Energy at 298.15K-307.333089
HF Energy-306.908838
Nuclear repulsion energy269.775687
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/cc-pVTZ
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 3217 3075 0.10      
2 A1 3178 3037 7.29      
3 A1 3019 2886 8.52      
4 A1 1728 1651 221.42      
5 A1 1686 1612 40.46      
6 A1 1444 1380 18.18      
7 A1 1428 1365 4.21      
8 A1 1201 1148 7.56      
9 A1 974 931 5.95      
10 A1 893 853 9.30      
11 A1 779 745 2.21      
12 A1 507 485 2.65      
13 A2 1216 1163 0.00      
14 A2 1028 982 0.00      
15 A2 764 730 0.00      
16 A2 367 351 0.00      
17 B1 3030 2896 5.10      
18 B1 1043 997 0.17      
19 B1 961 918 28.53      
20 B1 870 832 30.87      
21 B1 583 557 22.41      
22 B1 322 308 2.52      
23 B1 127 121 0.97      
24 B2 3215 3073 13.99      
25 B2 3177 3037 11.71      
26 B2 1661 1587 3.26      
27 B2 1434 1371 33.96      
28 B2 1392 1330 0.36      
29 B2 1286 1229 26.82      
30 B2 1151 1100 8.39      
31 B2 1004 959 6.09      
32 B2 580 555 1.16      
33 B2 455 435 13.63      

Unscaled Zero Point Vibrational Energy (zpe) 22858.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 21848.4 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/cc-pVTZ
ABC
0.17628 0.08963 0.06005

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.107
C2 0.000 0.000 -1.815
C3 0.000 1.250 0.330
C4 0.000 -1.250 0.330
C5 0.000 1.251 -1.007
C6 0.000 -1.251 -1.007
O7 0.000 0.000 2.331
H8 0.000 2.166 0.901
H9 0.000 -2.166 0.901
H10 0.000 2.186 -1.549
H11 0.000 -2.186 -1.549
H12 0.864 0.000 -2.488
H13 -0.864 0.000 -2.488

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.92131.47181.47182.45592.45591.22402.17562.17563.44023.44023.69733.6973
C22.92132.48192.48191.48891.48894.14533.47323.47322.20222.20221.09531.0953
C31.47182.48192.49981.33652.83542.35941.07933.46312.09953.91633.20133.2013
C41.47182.48192.49982.83541.33652.35943.46311.07933.91632.09953.20133.2013
C52.45591.48891.33652.83542.50153.56422.11563.91291.08143.47952.12252.1225
C62.45591.48892.83541.33652.50153.56423.91292.11563.47951.08142.12252.1225
O71.22404.14532.35942.35943.56423.56422.59532.59534.45374.45374.89574.8957
H82.17563.47321.07933.46312.11563.91292.59534.33152.45024.99424.11354.1135
H92.17563.47323.46311.07933.91292.11562.59534.33154.99422.45024.11354.1135
H103.44022.20222.09953.91631.08143.47954.45372.45024.99424.37232.53112.5311
H113.44022.20223.91632.09953.47951.08144.45374.99422.45024.37232.53112.5311
H123.69731.09533.20133.20132.12252.12254.89574.11354.11352.53112.53111.7273
H133.69731.09533.20133.20132.12252.12254.89574.11354.11352.53112.53111.7273

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 121.908 C1 C3 H8 116.187
C1 C4 C6 121.908 C1 C4 H9 116.187
C2 C5 C3 122.819 C2 C5 H10 117.025
C2 C6 C4 122.819 C2 C6 H11 117.025
C3 C1 C4 116.257 C3 C1 O7 121.872
C3 C5 H10 120.156 C4 C1 O7 121.872
C4 C6 H11 120.156 C5 C2 C6 114.290
C5 C2 H12 109.491 C5 C2 H13 109.491
C5 C3 H8 121.904 C6 C2 H12 109.491
C6 C2 H13 109.491 C6 C4 H9 121.904
H12 C2 H13 104.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability