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

using model chemistry: MP3/TZVP

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/TZVP
 hartrees
Energy at 0K-231.498005
Energy at 298.15K 
HF Energy-230.632765
Nuclear repulsion energy208.811689
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/TZVP
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 3288 3075 6.99      
2 A1 3180 2974 31.38      
3 A1 1653 1546 0.10      
4 A1 1210 1132 3.73      
5 A1 1071 1002 1.43      
6 A1 974 911 12.20      
7 A1 886 829 0.39      
8 A1 834 780 78.53      
9 A1 404 378 4.77      
10 A2 3254 3043 0.00      
11 A2 1325 1239 0.00      
12 A2 1238 1158 0.00      
13 A2 977 914 0.00      
14 A2 898 840 0.00      
15 A2 793 742 0.00      
16 A2 313 293 0.00      
17 B1 3286 3073 34.28      
18 B1 1627 1522 10.00      
19 B1 1254 1172 3.87      
20 B1 1129 1056 0.10      
21 B1 1029 962 0.42      
22 B1 746 698 45.93      
23 B2 3256 3045 21.67      
24 B2 3171 2966 16.01      
25 B2 1331 1245 33.99      
26 B2 1195 1117 5.86      
27 B2 951 890 6.78      
28 B2 926 866 2.51      
29 B2 848 793 8.01      
30 B2 494 462 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 21770.3 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 20359.6 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/TZVP
ABC
0.26189 0.14909 0.11635

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.786 0.525
C2 0.000 -0.786 0.525
H3 0.000 1.349 1.454
H4 0.000 -1.349 1.454
C5 -1.303 0.669 -0.266
C6 1.303 0.669 -0.266
C7 1.303 -0.669 -0.266
C8 -1.303 -0.669 -0.266
H9 -1.946 1.417 -0.706
H10 1.946 1.417 -0.706
H11 1.946 -1.417 -0.706
H12 -1.946 -1.417 -0.706

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57261.08672.32901.52891.52892.10772.10772.38752.38753.18683.1868
C21.57262.32901.08672.10772.10771.52891.52893.18683.18682.38752.3875
H31.08672.32902.69852.26282.26282.95502.95502.90842.90844.01304.0130
H42.32901.08672.69852.95502.95502.26282.26284.01304.01302.90842.9084
C51.52892.10772.26282.95502.60652.93001.33841.07973.36343.88642.2266
C61.52892.10772.26282.95502.60651.33842.93003.36341.07972.22663.8864
C72.10771.52892.95502.26282.93001.33842.60653.88642.22661.07973.3634
C82.10771.52892.95502.26281.33842.93002.60652.22663.88643.36341.0797
H92.38753.18682.90844.01301.07973.36343.88642.22663.89284.81472.8333
H102.38753.18682.90844.01303.36341.07972.22663.88643.89282.83334.8147
H113.18682.38754.01302.90843.88642.22661.07973.36344.81472.83333.8928
H123.18682.38754.01302.90842.22663.88643.36341.07972.83334.81473.8928

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 121.202 C1 C2 H7 85.608
C1 C2 H8 85.608 C1 C5 H8 94.392
C1 C5 H9 131.717 C1 C6 H7 94.392
C1 C6 H10 131.717 C2 C1 C3 121.202
C2 C1 C5 85.608 C2 C1 C6 85.608
C2 H7 C6 94.392 C2 H7 H11 131.717
C2 H8 C5 94.392 C2 H8 H12 131.717
C3 C1 C5 118.822 C3 C1 C6 118.822
C4 C2 H7 118.822 C4 C2 H8 118.822
C5 C1 C6 116.948 C5 H8 H12 133.809
C6 H7 H11 133.809 H7 C6 H10 133.809
H8 C5 H9 133.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability