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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G2
 hartrees
Energy at 0K-231.666776
Energy at 298.15K-231.661478
HF Energy-230.570812
Nuclear repulsion energy215.698176
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 HF/6-31G*
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 3431 3233 11.53      
2 A1 3417 3220 12.93      
3 A1 3368 3174 2.46      
4 A1 1792 1689 4.33      
5 A1 1552 1463 0.79      
6 A1 1304 1229 1.71      
7 A1 1221 1151 1.33      
8 A1 1067 1005 0.02      
9 A1 995 938 0.16      
10 A1 846 797 3.95      
11 A1 778 733 3.60      
12 A2 1248 1176 0.00      
13 A2 1043 983 0.00      
14 A2 1005 947 0.00      
15 A2 883 832 0.00      
16 A2 588 554 0.00      
17 B1 3399 3202 13.41      
18 B1 1257 1185 18.17      
19 B1 1126 1061 1.10      
20 B1 853 804 106.67      
21 B1 730 688 0.18      
22 B1 559 527 10.56      
23 B2 3404 3207 11.34      
24 B2 3369 3174 37.83      
25 B2 1477 1391 5.28      
26 B2 1411 1329 2.37      
27 B2 1339 1262 0.84      
28 B2 1070 1008 0.03      
29 B2 925 872 4.51      
30 B2 890 839 10.54      

Unscaled Zero Point Vibrational Energy (zpe) 23173.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 21834.5 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 MP2=FULL/6-31G*
ABC
0.24818 0.17707 0.13058

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.725 0.000 -1.003
C2 -0.725 0.000 -1.003
C3 0.000 1.070 -0.203
C4 0.000 -1.070 -0.203
C5 0.000 0.673 1.246
C6 0.000 -0.673 1.246
H7 1.476 0.000 -1.784
H8 -1.476 0.000 -1.784
H9 0.000 2.101 -0.546
H10 0.000 -2.101 -0.546
H11 0.000 1.353 2.089
H12 0.000 -1.353 2.089

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45051.52031.52032.45682.45681.08322.33552.26902.26903.45193.4519
C21.45051.52031.52032.45682.45682.33551.08322.26902.26903.45193.4519
C31.52031.52032.13961.50202.26592.41322.41321.08653.18912.30883.3346
C41.52031.52032.13962.26591.50202.41322.41323.18911.08653.33462.3088
C52.45682.45681.50202.26591.34533.43673.43672.29113.30171.08312.1939
C62.45682.45682.26591.50201.34533.43673.43673.30172.29112.19391.0831
H71.08322.33552.41322.41323.43673.43672.95162.85042.85044.35974.3597
H82.33551.08322.41322.41323.43673.43672.95162.85042.85044.35974.3597
H92.26902.26901.08653.18912.29113.30172.85042.85044.20152.73854.3436
H102.26902.26903.18911.08653.30172.29112.85042.85044.20154.34362.7385
H113.45193.45192.30883.33461.08312.19394.35974.35972.73854.34362.7056
H123.45193.45193.33462.30882.19391.08314.35974.35974.34362.73852.7056

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.727 C1 C2 C4 61.727
C1 C2 H8 135.176 C1 C3 C2 56.546
C1 C3 C5 108.790 C1 C3 H9 120.589
C1 C4 C2 56.546 C1 C4 C6 108.790
C1 C4 H10 120.589 C2 C1 C3 61.727
C2 C1 C4 61.727 C2 C1 H7 135.176
C2 C3 C5 108.790 C2 C3 H9 120.589
C2 C4 C6 108.790 C2 C4 H10 120.589
C3 C1 C4 89.458 C3 C1 H7 135.171
C3 C2 C4 89.458 C3 C2 H8 135.171
C3 C5 C6 105.504 C3 C5 H11 125.433
C4 C1 H7 135.171 C4 C2 H8 135.171
C4 C6 C5 105.504 C4 C6 H12 125.433
C5 C3 H9 123.251 C5 C6 H12 129.063
C6 C4 H10 123.251 C6 C5 H11 129.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability