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

using model chemistry: MP3=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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-306.955334
Energy at 298.15K-306.962125
HF Energy-305.648147
Nuclear repulsion energy270.734876
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 MP3=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 3272 3052 0.03      
2 A1 3225 3008 4.32      
3 A1 3075 2868 8.29      
4 A1 1850 1725 262.81      
5 A1 1756 1638 0.15      
6 A1 1475 1375 13.38      
7 A1 1451 1353 4.44      
8 A1 1222 1139 5.54      
9 A1 989 923 3.88      
10 A1 907 846 8.46      
11 A1 794 741 2.22      
12 A1 512 478 2.16      
13 A2 1243 1159 0.00      
14 A2 1051 980 0.00      
15 A2 788 735 0.00      
16 A2 375 349 0.00      
17 B1 3084 2877 5.35      
18 B1 1069 997 1.10      
19 B1 985 919 32.40      
20 B1 892 832 31.14      
21 B1 599 558 21.23      
22 B1 333 310 2.61      
23 B1 128 119 1.22      
24 B2 3270 3050 11.51      
25 B2 3224 3006 9.35      
26 B2 1727 1610 2.40      
27 B2 1466 1367 37.41      
28 B2 1421 1325 1.28      
29 B2 1310 1222 25.87      
30 B2 1173 1094 6.55      
31 B2 1020 951 4.74      
32 B2 589 549 0.34      
33 B2 465 434 14.99      

Unscaled Zero Point Vibrational Energy (zpe) 23368.6 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 21793.6 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 MP3=FULL/cc-pVTZ
ABC
0.17664 0.09050 0.06049

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.106
C2 0.000 0.000 -1.811
C3 0.000 1.250 0.330
C4 0.000 -1.250 0.330
C5 0.000 1.249 -1.001
C6 0.000 -1.249 -1.001
O7 0.000 0.000 2.315
H8 0.000 2.161 0.898
H9 0.000 -2.161 0.898
H10 0.000 2.180 -1.541
H11 0.000 -2.180 -1.541
H12 0.864 0.000 -2.476
H13 -0.864 0.000 -2.476

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91751.47171.47172.44952.44951.20852.17122.17123.42923.42923.68503.6850
C22.91752.47912.47911.48871.48874.12613.46523.46522.19642.19641.09011.0901
C31.47172.47912.50021.33062.83112.34601.07363.45822.08893.90683.19083.1908
C41.47172.47912.50022.83111.33062.34603.45821.07363.90682.08893.19083.1908
C52.44951.48871.33062.83112.49783.54322.10633.90291.07623.47092.11712.1171
C62.44951.48872.83111.33062.49783.54323.90292.10633.47091.07622.11712.1171
O71.20854.12612.34602.34603.54323.54322.58452.58454.42934.42934.86814.8681
H82.17123.46521.07363.45822.10633.90292.58454.32232.43864.97894.09854.0985
H92.17123.46523.45821.07363.90292.10632.58454.32234.97892.43864.09854.0985
H103.42922.19642.08893.90681.07623.47094.42932.43864.97894.35942.52422.5242
H113.42922.19643.90682.08893.47091.07624.42934.97892.43864.35942.52422.5242
H123.68501.09013.19083.19082.11712.11714.86814.09854.09852.52422.52421.7278
H133.68501.09013.19083.19082.11712.11714.86814.09854.09852.52422.52421.7278

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 121.800 C1 C3 H8 116.213
C1 C4 C6 121.800 C1 C4 H9 116.213
C2 C5 C3 123.029 C2 C5 H10 116.901
C2 C6 C4 123.029 C2 C6 H11 116.901
C3 C1 C4 116.296 C3 C1 O7 121.852
C3 C5 H10 120.071 C4 C1 O7 121.852
C4 C6 H11 120.071 C5 C2 C6 114.048
C5 C2 H12 109.387 C5 C2 H13 109.387
C5 C3 H8 121.987 C6 C2 H12 109.387
C6 C2 H13 109.387 C6 C4 H9 121.987
H12 C2 H13 104.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability