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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-36.283959
Energy at 298.15K-36.290695
HF Energy-36.283959
Nuclear repulsion energy108.010176
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/CEP-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 3435 3085 14.66      
2 A1 3409 3061 15.26      
3 A1 3370 3027 2.70      
4 A1 1774 1593 12.70      
5 A1 1549 1391 3.01      
6 A1 1289 1157 3.44      
7 A1 1201 1078 1.96      
8 A1 1053 946 0.13      
9 A1 994 892 0.54      
10 A1 822 738 5.46      
11 A1 751 674 4.21      
12 A2 1229 1104 0.00      
13 A2 1036 930 0.00      
14 A2 996 894 0.00      
15 A2 882 792 0.00      
16 A2 570 512 0.00      
17 B1 3391 3045 16.84      
18 B1 1246 1119 13.71      
19 B1 1102 990 0.43      
20 B1 854 767 151.05      
21 B1 722 649 0.02      
22 B1 544 489 12.60      
23 B2 3404 3057 18.05      
24 B2 3370 3026 54.61      
25 B2 1464 1315 4.27      
26 B2 1392 1250 4.12      
27 B2 1323 1188 0.29      
28 B2 1063 954 0.07      
29 B2 921 827 9.55      
30 B2 870 781 9.91      

Unscaled Zero Point Vibrational Energy (zpe) 23012.0 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 20664.8 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 HF/CEP-31G*
ABC
0.24676 0.17447 0.12915

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.727 0.000 -1.013
C2 -0.727 0.000 -1.013
C3 0.000 1.074 -0.209
C4 0.000 -1.074 -0.209
C5 0.000 0.673 1.258
C6 0.000 -0.673 1.258
H7 1.497 0.000 -1.769
H8 -1.497 0.000 -1.769
H9 0.000 2.102 -0.541
H10 0.000 -2.102 -0.541
H11 0.000 1.350 2.097
H12 0.000 -1.350 2.097

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.45431.52551.52552.47762.47761.07882.34882.27412.27413.46703.4670
C21.45431.52551.52552.47762.47762.34881.07882.27412.27413.46703.4670
C31.52551.52552.14741.52132.28112.41352.41351.08083.19342.32253.3454
C41.52551.52552.14742.28111.52132.41352.41353.19341.08083.34542.3225
C52.47762.47761.52132.28111.34533.44323.44322.29793.30711.07792.1895
C62.47762.47762.28111.52131.34533.44323.44323.30712.29792.18951.0779
H71.07882.34882.41352.41353.44323.44322.99332.85802.85804.35954.3595
H82.34881.07882.41352.41353.44323.44322.99332.85802.85804.35954.3595
H92.27412.27411.08083.19342.29793.30712.85802.85804.20482.74274.3445
H102.27412.27413.19341.08083.30712.29792.85802.85804.20484.34452.7427
H113.46703.46702.32253.34541.07792.18954.35954.35952.74274.34452.6998
H123.46703.46703.34542.32252.18951.07794.35954.35954.34452.74272.6998

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.533 C1 C2 C4 61.533
C1 C2 H8 135.504 C1 C3 C2 56.934
C1 C3 C5 108.815 C1 C3 H9 120.556
C1 C4 C2 56.934 C1 C4 C6 108.815
C1 C4 H10 120.556 C2 C1 C3 61.533
C2 C1 C4 61.533 C2 C1 H7 135.504
C2 C3 C5 108.815 C2 C3 H9 120.556
C2 C4 C6 108.815 C2 C4 H10 120.556
C3 C1 C4 89.470 C3 C1 H7 135.165
C3 C2 C4 89.470 C3 C2 H8 135.165
C3 C5 C6 105.286 C3 C5 H11 125.787
C4 C1 H7 135.165 C4 C2 H8 135.165
C4 C6 C5 105.286 C4 C6 H12 125.787
C5 C3 H9 123.146 C5 C6 H12 128.927
C6 C4 H10 123.146 C6 C5 H11 128.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 C -0.221      
3 C -0.297      
4 C -0.297      
5 C -0.276      
6 C -0.276      
7 H 0.265      
8 H 0.265      
9 H 0.241      
10 H 0.241      
11 H 0.288      
12 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.933 0.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.797 0.000 0.000
y 0.000 -32.196 0.000
z 0.000 0.000 -33.176
Traceless
 xyz
x -5.111 0.000 0.000
y 0.000 3.290 0.000
z 0.000 0.000 1.821
Polar
3z2-r23.641
x2-y2-5.600
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.226 0.000 0.000
y 0.000 8.793 0.000
z 0.000 0.000 8.020


<r2> (average value of r2) Å2
<r2> 92.372
(<r2>)1/2 9.611