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

using model chemistry: MP4=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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-306.691987
Energy at 298.15K-306.698429
HF Energy-305.574511
Nuclear repulsion energy265.882755
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 MP4=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 3197 3117        
2 A1 3159 3081        
3 A1 2998 2924        
4 A1 1678 1636        
5 A1 1614 1574        
6 A1 1421 1386        
7 A1 1384 1350        
8 A1 1168 1139        
9 A1 941 917        
10 A1 881 859        
11 A1 763 744        
12 A1 485 473        
13 A2 1189 1160        
14 A2 958 934        
15 A2 726 708        
16 A2 345 336        
17 B1 3029 2954        
18 B1 972 948        
19 B1 926 904        
20 B1 812 792        
21 B1 555 542        
22 B1 288 281        
23 B1 117 114        
24 B2 3196 3116        
25 B2 3159 3081        
26 B2 1628 1587        
27 B2 1410 1375        
28 B2 1365 1331        
29 B2 1261 1230        
30 B2 1119 1091        
31 B2 988 964        
32 B2 560 546        
33 B2 438 427        

Unscaled Zero Point Vibrational Energy (zpe) 22364.8 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 21810.1 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 MP4=FULL/aug-cc-pVDZ
ABC
0.17180 0.08693 0.05835

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.121
C2 0.000 0.000 -1.844
C3 0.000 1.267 0.338
C4 0.000 -1.267 0.338
C5 0.000 1.265 -1.024
C6 0.000 -1.265 -1.024
O7 0.000 0.000 2.366
H8 0.000 2.198 0.916
H9 0.000 -2.198 0.916
H10 0.000 2.216 -1.572
H11 0.000 -2.216 -1.572
H12 0.880 0.000 -2.520
H13 -0.880 0.000 -2.520

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.96471.48931.48932.48962.48961.24542.20742.20743.48763.48763.74563.7456
C22.96472.52302.52301.50771.50774.21013.52823.52822.23312.23311.10951.1095
C31.48932.52302.53381.36152.87472.39141.09593.51272.13283.97263.24763.2476
C41.48932.52302.53382.87471.36152.39143.51271.09593.97262.13283.24763.2476
C52.48961.50771.36152.87472.52993.61802.15233.96901.09823.52442.14792.1479
C62.48961.50772.87471.36152.52993.61803.96902.15233.52441.09822.14792.1479
O71.24544.21012.39142.39143.61803.61802.63322.63324.51894.51894.96484.9648
H82.20743.52821.09593.51272.15233.96902.63324.39582.48805.06724.17274.1727
H92.20743.52823.51271.09593.96902.15232.63324.39585.06722.48804.17274.1727
H103.48762.23312.13283.97261.09823.52444.51892.48805.06724.43302.56622.5662
H113.48762.23313.97262.13283.52441.09824.51895.06722.48804.43302.56622.5662
H123.74561.10953.24763.24762.14792.14794.96484.17274.17272.56622.56621.7592
H133.74561.10953.24763.24762.14792.14794.96484.17274.17272.56622.56621.7592

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 121.632 C1 C3 H8 116.449
C1 C4 C6 121.632 C1 C4 H9 116.449
C2 C5 C3 123.046 C2 C5 H10 117.082
C2 C6 C4 123.046 C2 C6 H11 117.082
C3 C1 C4 116.573 C3 C1 O7 121.714
C3 C5 H10 119.872 C4 C1 O7 121.714
C4 C6 H11 119.872 C5 C2 C6 114.070
C5 C2 H12 109.367 C5 C2 H13 109.367
C5 C3 H8 121.919 C6 C2 H12 109.367
C6 C2 H13 109.367 C6 C4 H9 121.919
H12 C2 H13 104.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability