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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CCSD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-231.491036
Energy at 298.15K-231.497321
HF Energy-230.606422
Nuclear repulsion energy213.029295
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 CCSD(T)/6-311G*
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 3225 3104        
2 A1 3213 3093        
3 A1 3174 3055        
4 A1 1587 1528        
5 A1 1406 1354        
6 A1 1186 1142        
7 A1 1106 1064        
8 A1 988 951        
9 A1 910 876        
10 A1 759 731        
11 A1 659 635        
12 A2 1111 1070        
13 A2 896 863        
14 A2 817 786        
15 A2 780 751        
16 A2 533 513        
17 B1 3194 3075        
18 B1 1117 1075        
19 B1 972 935        
20 B1 752 724        
21 B1 603 580        
22 B1 504 485        
23 B2 3200 3080        
24 B2 3174 3056        
25 B2 1340 1290        
26 B2 1271 1224        
27 B2 1218 1173        
28 B2 988 952        
29 B2 858 826        
30 B2 821 791        

Unscaled Zero Point Vibrational Energy (zpe) 21181.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 20389.3 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 CCSD(T)/6-311G*
ABC
0.24437 0.17424 0.12867

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.733 0.000 -1.010
C2 -0.733 0.000 -1.010
C3 0.000 1.079 -0.207
C4 0.000 -1.079 -0.207
C5 0.000 0.676 1.257
C6 0.000 -0.676 1.257
H7 1.486 0.000 -1.792
H8 -1.486 0.000 -1.792
H9 0.000 2.113 -0.550
H10 0.000 -2.113 -0.550
H11 0.000 1.358 2.103
H12 0.000 -1.358 2.103

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46661.53201.53202.47602.47601.08602.35362.28352.28353.47403.4740
C21.46661.53201.53202.47602.47602.35361.08602.28352.28353.47403.4740
C31.53201.53202.15841.51812.28502.42642.42641.08943.21082.32633.3575
C41.53201.53202.15842.28501.51812.42642.42643.21081.08943.35752.3263
C52.47602.47601.51812.28501.35133.45853.45852.30883.32291.08682.2024
C62.47602.47602.28501.51811.35133.45853.45853.32292.30882.20241.0868
H71.08602.35362.42642.42643.45853.45852.97272.86662.86664.38454.3845
H82.35361.08602.42642.42643.45853.45852.97272.86662.86664.38454.3845
H92.28352.28351.08943.21082.30883.32292.86662.86664.22632.75834.3686
H102.28352.28353.21081.08943.32292.30882.86662.86664.22634.36862.7583
H113.47403.47402.32633.35751.08682.20244.38454.38452.75834.36862.7154
H123.47403.47403.35752.32632.20241.08684.38454.38454.36862.75832.7154

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.403 C1 C2 C4 61.403
C1 C2 H8 133.900 C1 C3 C2 57.195
C1 C3 C5 108.540 C1 C3 H9 120.226
C1 C4 C2 57.195 C1 C4 C6 108.540
C1 C4 H10 120.226 C2 C1 C3 61.403
C2 C1 C4 61.403 C2 C1 H7 133.900
C2 C3 C5 108.540 C2 C3 H9 120.226
C2 C4 C6 108.540 C2 C4 H10 120.226
C3 C1 C4 89.567 C3 C1 H7 135.197
C3 C2 C4 89.567 C3 C2 H8 135.197
C3 C5 C6 105.417 C3 C5 H11 125.714
C4 C1 H7 135.197 C4 C2 H8 135.197
C4 C6 C5 105.417 C4 C6 H12 125.714
C5 C3 H9 123.783 C5 C6 H12 128.869
C6 C4 H10 123.783 C6 C5 H11 128.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability