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

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-231.259260
Energy at 298.15K 
HF Energy-230.584319
Nuclear repulsion energy208.695349
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 CID/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 3342 3088 5.64      
2 A1 3235 2989 34.97      
3 A1 1720 1590 0.12      
4 A1 1251 1156 4.36      
5 A1 1089 1007 0.74      
6 A1 1003 927 11.60      
7 A1 913 843 0.02      
8 A1 860 795 72.43      
9 A1 406 375 4.14      
10 A2 3306 3055 0.00      
11 A2 1374 1270 0.00      
12 A2 1252 1157 0.00      
13 A2 1008 932 0.00      
14 A2 986 911 0.00      
15 A2 820 757 0.00      
16 A2 342 316 0.00      
17 B1 3340 3086 32.69      
18 B1 1693 1564 6.68      
19 B1 1291 1193 5.45      
20 B1 1147 1060 0.12      
21 B1 1049 969 0.34      
22 B1 764 706 40.19      
23 B2 3308 3056 19.33      
24 B2 3226 2980 17.78      
25 B2 1361 1257 38.17      
26 B2 1217 1124 5.25      
27 B2 1014 937 3.16      
28 B2 972 898 6.65      
29 B2 881 814 9.98      
30 B2 518 478 6.39      

Unscaled Zero Point Vibrational Energy (zpe) 22342.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 20644.4 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 CID/cc-pVDZ
ABC
0.26172 0.14896 0.11638

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.783 0.526
C2 0.000 -0.783 0.526
H3 0.000 1.351 1.460
H4 0.000 -1.351 1.460
C5 -1.302 0.670 -0.266
C6 1.302 0.670 -0.266
C7 1.302 -0.670 -0.266
C8 -1.302 -0.670 -0.266
H9 -1.953 1.418 -0.712
H10 1.953 1.418 -0.712
H11 1.953 -1.418 -0.712
H12 -1.953 -1.418 -0.712

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.56691.09352.33051.52831.52832.10582.10582.39792.39793.19263.1926
C21.56692.33051.09352.10582.10581.52831.52833.19263.19262.39792.3979
H31.09352.33052.70302.26712.26712.95982.95982.92212.92214.02524.0252
H42.33051.09352.70302.95982.95982.26712.26714.02524.02522.92212.9221
C51.52832.10582.26712.95982.60482.92901.33941.08733.37023.89302.2316
C61.52832.10582.26712.95982.60481.33942.92903.37021.08732.23163.8930
C72.10581.52832.95982.26712.92901.33942.60483.89302.23161.08733.3702
C82.10581.52832.95982.26711.33942.92902.60482.23163.89303.37021.0873
H92.39793.19262.92214.02521.08733.37023.89302.23163.90654.82692.8352
H102.39793.19262.92214.02523.37021.08732.23163.89303.90652.83524.8269
H113.19262.39794.02522.92213.89302.23161.08733.37024.82692.83523.9065
H123.19262.39794.02522.92212.23163.89303.37021.08732.83524.82693.9065

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 121.295 C1 C2 H7 85.731
C1 C2 H8 85.731 C1 C5 H8 94.269
C1 C5 H9 132.189 C1 C6 H7 94.269
C1 C6 H10 132.189 C2 C1 C3 121.295
C2 C1 C5 85.731 C2 C1 C6 85.731
C2 H7 C6 94.269 C2 H7 H11 132.189
C2 H8 C5 94.269 C2 H8 H12 132.189
C3 C1 C5 118.766 C3 C1 C6 118.766
C4 C2 H7 118.766 C4 C2 H8 118.766
C5 C1 C6 116.900 C5 H8 H12 133.457
C6 H7 H11 133.457 H7 C6 H10 133.457
H8 C5 H9 133.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability