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

using model chemistry: CCD/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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-231.448266
Energy at 298.15K 
HF Energy-230.589315
Nuclear repulsion energy206.928246
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 CCD/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 3242 3126 7.87      
2 A1 3140 3028 31.71      
3 A1 1625 1568 0.09      
4 A1 1187 1145 3.32      
5 A1 1046 1009 1.12      
6 A1 959 925 7.28      
7 A1 866 835 0.18      
8 A1 811 782 76.64      
9 A1 385 371 4.97      
10 A2 3208 3094 0.00      
11 A2 1308 1261 0.00      
12 A2 1211 1168 0.00      
13 A2 965 930 0.00      
14 A2 900 868 0.00      
15 A2 784 756 0.00      
16 A2 323 311 0.00      
17 B1 3239 3124 35.91      
18 B1 1600 1544 11.32      
19 B1 1233 1190 4.97      
20 B1 1111 1072 0.03      
21 B1 1016 980 0.50      
22 B1 717 691 43.81      
23 B2 3209 3095 25.12      
24 B2 3131 3020 16.35      
25 B2 1303 1257 32.71      
26 B2 1161 1119 5.45      
27 B2 939 905 5.98      
28 B2 915 882 2.26      
29 B2 837 808 8.65      
30 B2 491 473 4.49      

Unscaled Zero Point Vibrational Energy (zpe) 21429.3 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 20668.6 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 CCD/aug-cc-pVDZ
ABC
0.25564 0.14718 0.11472

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.793 0.533
C2 0.000 -0.793 0.533
H3 0.000 1.365 1.472
H4 0.000 -1.365 1.472
C5 -1.309 0.678 -0.269
C6 1.309 0.678 -0.269
C7 1.309 -0.678 -0.269
C8 -1.309 -0.678 -0.269
H9 -1.960 1.431 -0.723
H10 1.960 1.431 -0.723
H11 1.960 -1.431 -0.723
H12 -1.960 -1.431 -0.723

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.58681.09942.35401.53981.53982.12662.12662.41372.41373.21963.2196
C21.58682.35401.09942.12662.12661.53981.53983.21963.21962.41372.4137
H31.09942.35402.73042.28432.28432.98662.98662.94362.94364.05914.0591
H42.35401.09942.73042.98662.98662.28432.28434.05914.05912.94362.9436
C51.53982.12662.28432.98662.61852.94871.35581.09373.38573.91692.2529
C61.53982.12662.28432.98662.61851.35582.94873.38571.09372.25293.9169
C72.12661.53982.98662.28432.94871.35582.61853.91692.25291.09373.3857
C82.12661.53982.98662.28431.35582.94872.61852.25293.91693.38571.0937
H92.41373.21962.94364.05911.09373.38573.91692.25293.92084.85382.8612
H102.41373.21962.94364.05913.38571.09372.25293.91693.92082.86124.8538
H113.21962.41374.05912.94363.91692.25291.09373.38574.85382.86123.9208
H123.21962.41374.05912.94362.25293.91693.38571.09372.86124.85383.9208

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 121.338 C1 C2 H7 85.699
C1 C2 H8 85.699 C1 C5 H8 94.301
C1 C5 H9 132.118 C1 C6 H7 94.301
C1 C6 H10 132.118 C2 C1 C3 121.338
C2 C1 C5 85.699 C2 C1 C6 85.699
C2 H7 C6 94.301 C2 H7 H11 132.118
C2 H8 C5 94.301 C2 H8 H12 132.118
C3 C1 C5 118.944 C3 C1 C6 118.944
C4 C2 H7 118.944 C4 C2 H8 118.944
C5 C1 C6 116.487 C5 H8 H12 133.484
C6 H7 H11 133.484 H7 C6 H10 133.484
H8 C5 H9 133.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability