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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-231.671399
Energy at 298.15K-231.666183
HF Energy-230.567083
Nuclear repulsion energy215.323458
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3417 3417 11.90      
2 A1 3401 3401 12.63      
3 A1 3353 3353 2.20      
4 A1 1790 1790 4.20      
5 A1 1545 1545 0.93      
6 A1 1297 1297 1.73      
7 A1 1213 1213 1.26      
8 A1 1060 1060 0.01      
9 A1 991 991 0.07      
10 A1 836 836 3.31      
11 A1 768 768 4.54      
12 A2 1233 1233 0.00      
13 A2 1028 1028 0.00      
14 A2 993 993 0.00      
15 A2 879 879 0.00      
16 A2 585 585 0.00      
17 B1 3381 3381 14.31      
18 B1 1248 1248 18.57      
19 B1 1111 1111 0.84      
20 B1 846 846 100.75      
21 B1 721 721 0.28      
22 B1 556 556 10.06      
23 B2 3389 3389 11.41      
24 B2 3353 3353 38.65      
25 B2 1466 1466 5.29      
26 B2 1399 1399 3.08      
27 B2 1328 1328 0.98      
28 B2 1063 1063 0.06      
29 B2 921 921 4.70      
30 B2 886 886 11.18      

Unscaled Zero Point Vibrational Energy (zpe) 23025.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23025.7 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 CBS-Q
ABC
0.24541 0.17532 0.12932

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.718 0.000 -1.008
C2 -0.718 0.000 -1.008
C3 0.000 1.066 -0.207
C4 0.000 -1.066 -0.207
C5 0.000 0.661 1.251
C6 0.000 -0.661 1.251
H7 1.479 0.000 -1.767
H8 -1.479 0.000 -1.767
H9 0.000 2.093 -0.537
H10 0.000 -2.093 -0.537
H11 0.000 1.339 2.086
H12 0.000 -1.339 2.086

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.43561.51471.51472.46152.46151.07482.32442.26192.26193.44753.4475
C21.43561.51471.51472.46152.46152.32441.07482.26192.26193.44753.4475
C31.51471.51472.13231.51342.26072.39972.39971.07823.17592.30953.3230
C41.51471.51472.13232.26071.51342.39972.39973.17591.07823.32302.3095
C52.46152.46151.51342.26071.32273.42573.42572.29053.28361.07522.1673
C62.46152.46152.26071.51341.32273.42573.42573.28362.29052.16731.0752
H71.07482.32442.39972.39973.42573.42572.95882.84252.84254.33914.3391
H82.32441.07482.39972.39973.42573.42572.95882.84252.84254.33914.3391
H92.26192.26191.07823.17592.29053.28362.84252.84254.18512.72954.3192
H102.26192.26193.17591.07823.28362.29052.84252.84254.18514.31922.7295
H113.44753.44752.30953.32301.07522.16734.33914.33912.72954.31922.6773
H123.44753.44753.32302.30952.16731.07524.33914.33914.31922.72952.6773

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.711 C1 C2 C4 61.711
C1 C2 H8 135.119 C1 C3 C2 56.578
C1 C3 C5 108.758 C1 C3 H9 120.542
C1 C4 C2 56.578 C1 C4 C6 108.758
C1 C4 H10 120.542 C2 C1 C3 61.711
C2 C1 C4 61.711 C2 C1 H7 135.119
C2 C3 C5 108.758 C2 C3 H9 120.542
C2 C4 C6 108.758 C2 C4 H10 120.542
C3 C1 C4 89.478 C3 C1 H7 135.167
C3 C2 C4 89.478 C3 C2 H8 135.167
C3 C5 C6 105.514 C3 C5 H11 125.442
C4 C1 H7 135.167 C4 C2 H8 135.167
C4 C6 C5 105.514 C4 C6 H12 125.442
C5 C3 H9 123.334 C5 C6 H12 129.045
C6 C4 H10 123.334 C6 C5 H11 129.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability