return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: B2PLYP=FULLultrafine/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/6-31G
 hartrees
Energy at 0K-231.690573
Energy at 298.15K 
HF Energy-231.507793
Nuclear repulsion energy212.248064
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 B2PLYP=FULLultrafine/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 3292 3292 1.67      
2 A1 3285 3285 21.65      
3 A1 3246 3246 2.19      
4 A1 1610 1610 2.57      
5 A1 1392 1392 0.15      
6 A1 1195 1195 2.29      
7 A1 1140 1140 3.28      
8 A1 1010 1010 0.36      
9 A1 908 908 0.00      
10 A1 798 798 10.08      
11 A1 728 728 0.89      
12 A2 1157 1157 0.00      
13 A2 951 951 0.00      
14 A2 899 899 0.00      
15 A2 747 747 0.00      
16 A2 547 547 0.00      
17 B1 3265 3265 10.28      
18 B1 1135 1135 27.11      
19 B1 1043 1043 0.03      
20 B1 760 760 93.08      
21 B1 634 634 0.75      
22 B1 523 523 13.21      
23 B2 3263 3263 12.64      
24 B2 3245 3245 16.07      
25 B2 1366 1366 6.38      
26 B2 1301 1301 0.30      
27 B2 1214 1214 2.35      
28 B2 1002 1002 0.05      
29 B2 878 878 0.78      
30 B2 835 835 13.18      

Unscaled Zero Point Vibrational Energy (zpe) 21683.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21683.7 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 B2PLYP=FULLultrafine/6-31G
ABC
0.24193 0.17297 0.12775

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.736 0.000 -1.024
C2 -0.736 0.000 -1.024
C3 0.000 1.087 -0.199
C4 0.000 -1.087 -0.199
C5 0.000 0.676 1.257
C6 0.000 -0.676 1.257
H7 1.509 0.000 -1.777
H8 -1.509 0.000 -1.777
H9 0.000 2.120 -0.526
H10 0.000 -2.120 -0.526
H11 0.000 1.356 2.098
H12 0.000 -1.356 2.098

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47181.55071.55072.49082.49081.07932.36812.29842.29843.48273.4827
C21.47181.55071.55072.49082.49082.36811.07932.29842.29843.48273.4827
C31.55071.55072.17471.51362.28682.43932.43931.08283.22362.31303.3535
C41.55071.55072.17472.28681.51362.43932.43933.22361.08283.35352.3130
C52.49082.49081.51362.28681.35113.45573.45572.29473.31571.08142.1983
C62.49082.49082.28681.51361.35113.45573.45573.31572.29472.19831.0814
H71.07932.36812.43932.43933.45573.45573.01902.88722.88724.37414.3741
H82.36811.07932.43932.43933.45573.45573.01902.88722.88724.37414.3741
H92.29842.29841.08283.22362.29473.31572.88722.88724.23922.73324.3547
H102.29842.29843.22361.08283.31572.29472.88722.88724.23924.35472.7332
H113.48273.48272.31303.35351.08142.19834.37414.37412.73324.35472.7111
H123.48273.48273.35352.31302.19831.08144.37414.37414.35472.73322.7111

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.670 C1 C2 C4 61.670
C1 C2 H8 135.788 C1 C3 C2 56.659
C1 C3 C5 108.739 C1 C3 H9 120.523
C1 C4 C2 56.659 C1 C4 C6 108.739
C1 C4 H10 120.523 C2 C1 C3 61.670
C2 C1 C4 61.670 C2 C1 H7 135.788
C2 C3 C5 108.739 C2 C3 H9 120.523
C2 C4 C6 108.739 C2 C4 H10 120.523
C3 C1 C4 89.048 C3 C1 H7 135.330
C3 C2 C4 89.048 C3 C2 H8 135.330
C3 C5 C6 105.787 C3 C5 H11 125.250
C4 C1 H7 135.330 C4 C2 H8 135.330
C4 C6 C5 105.787 C4 C6 H12 125.250
C5 C3 H9 123.356 C5 C6 H12 128.963
C6 C4 H10 123.356 C6 C5 H11 128.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability