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All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: MP3=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-231.752283
Energy at 298.15K 
HF Energy-230.648522
Nuclear repulsion energy209.379159
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/Def2TZVPP
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 3277 3277 5.51      
2 A1 3185 3185 25.36      
3 A1 1652 1652 0.09      
4 A1 1212 1212 4.18      
5 A1 1068 1068 1.32      
6 A1 976 976 10.44      
7 A1 894 894 0.47      
8 A1 841 841 74.10      
9 A1 396 396 4.40      
10 A2 3244 3244 0.00      
11 A2 1330 1330 0.00      
12 A2 1232 1232 0.00      
13 A2 988 988 0.00      
14 A2 969 969 0.00      
15 A2 803 803 0.00      
16 A2 338 338 0.00      
17 B1 3275 3275 28.52      
18 B1 1626 1626 9.70      
19 B1 1252 1252 4.04      
20 B1 1128 1128 0.11      
21 B1 1030 1030 0.37      
22 B1 751 751 44.51      
23 B2 3246 3246 18.86      
24 B2 3175 3175 13.09      
25 B2 1331 1331 35.93      
26 B2 1191 1191 6.32      
27 B2 1002 1002 1.88      
28 B2 953 953 7.07      
29 B2 863 863 9.88      
30 B2 503 503 5.15      

Unscaled Zero Point Vibrational Energy (zpe) 21864.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21864.8 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/Def2TZVPP
ABC
0.26298 0.14995 0.11712

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.784 0.526
C2 0.000 -0.784 0.526
H3 0.000 1.342 1.452
H4 0.000 -1.342 1.452
C5 -1.299 0.668 -0.266
C6 1.299 0.668 -0.266
C7 1.299 -0.668 -0.266
C8 -1.299 -0.668 -0.266
H9 -1.940 1.410 -0.708
H10 1.940 1.410 -0.708
H11 1.940 -1.410 -0.708
H12 -1.940 -1.410 -0.708

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.56731.08202.31901.52511.52512.10242.10242.38302.38303.17793.1779
C21.56732.31901.08202.10242.10241.52511.52513.17793.17792.38302.3830
H31.08202.31902.68432.25672.25672.94602.94602.90462.90464.00094.0009
H42.31901.08202.68432.94602.94602.25672.25674.00094.00092.90462.9046
C51.52512.10242.25672.94602.59742.92091.33611.07613.35203.87352.2196
C61.52512.10242.25672.94602.59741.33612.92093.35201.07612.21963.8735
C72.10241.52512.94602.25672.92091.33612.59743.87352.21961.07613.3520
C82.10241.52512.94602.25671.33612.92092.59742.21963.87353.35201.0761
H92.38303.17792.90464.00091.07613.35203.87352.21963.88014.79692.8205
H102.38303.17792.90464.00093.35201.07612.21963.87353.88012.82054.7969
H113.17792.38304.00092.90463.87352.21961.07613.35204.79692.82053.8801
H123.17792.38304.00092.90462.21963.87353.35201.07612.82054.79693.8801

picture of Dewar Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 121.072 C1 C2 H7 85.653
C1 C2 H8 85.653 C1 C5 H8 94.347
C1 C5 H9 131.957 C1 C6 H7 94.347
C1 C6 H10 131.957 C2 C1 C3 121.072
C2 C1 C5 85.653 C2 C1 C6 85.653
C2 H7 C6 94.347 C2 H7 H11 131.957
C2 H8 C5 94.347 C2 H8 H12 131.957
C3 C1 C5 118.915 C3 C1 C6 118.915
C4 C2 H7 118.915 C4 C2 H8 118.915
C5 C1 C6 116.753 C5 H8 H12 133.606
C6 H7 H11 133.606 H7 C6 H10 133.606
H8 C5 H9 133.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability