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All results from a given calculation for C8H6 (Calicene)

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-304.554579
Energy at 298.15K-304.559992
HF Energy-304.554579
Nuclear repulsion energy301.115140
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/3-21G*
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 3534 3189 12.24      
2 A1 3427 3093 22.36      
3 A1 3396 3065 1.59      
4 A1 1909 1723 734.94      
5 A1 1679 1516 107.58      
6 A1 1619 1461 197.26      
7 A1 1515 1367 137.06      
8 A1 1289 1164 41.18      
9 A1 1193 1077 8.02      
10 A1 1059 956 14.15      
11 A1 1019 920 1.08      
12 A1 951 858 113.67      
13 A1 517 466 2.96      
14 A2 1103 996 0.00      
15 A2 1076 971 0.00      
16 A2 861 777 0.00      
17 A2 659 595 0.00      
18 A2 239 216 0.00      
19 B1 1085 980 0.19      
20 B1 881 795 56.41      
21 B1 863 779 177.54      
22 B1 704 635 16.71      
23 B1 510 460 8.32      
24 B1 150 135 7.65      
25 B2 3489 3149 14.26      
26 B2 3414 3081 28.82      
27 B2 3388 3058 0.24      
28 B2 1727 1559 0.03      
29 B2 1460 1317 0.02      
30 B2 1308 1180 2.34      
31 B2 1240 1119 24.89      
32 B2 1217 1098 5.29      
33 B2 1036 936 2.04      
34 B2 933 842 1.69      
35 B2 533 481 0.85      
36 B2 167 151 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 25573.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 23082.2 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/3-21G*
ABC
0.22703 0.04784 0.03951

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.034
C2 0.000 0.000 1.293
C3 0.000 0.657 2.565
C4 0.000 -0.657 2.565
C5 0.000 1.169 -0.917
C6 0.000 -1.169 -0.917
C7 0.000 0.734 -2.189
C8 0.000 -0.734 -2.189
H9 0.000 1.562 3.115
H10 0.000 -1.562 3.115
H11 0.000 2.183 -0.579
H12 0.000 -2.183 -0.579
H13 0.000 1.341 -3.069
H14 0.000 -1.341 -3.069

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.32722.68152.68151.46471.46472.27642.27643.51573.51572.25002.25003.31743.3174
C21.32721.43211.43212.49972.49973.55863.55862.40022.40022.87552.87554.56314.5631
C32.68151.43211.31403.51943.93184.75524.95391.05892.28613.49474.23695.67555.9779
C42.68151.43211.31403.93183.51944.95394.75522.28611.05894.23693.49475.97795.6755
C51.46472.49973.51943.93182.33871.34512.28964.05094.86981.06873.36952.15913.3065
C61.46472.49973.93183.51942.33872.28961.34514.86984.05093.36951.06873.30652.1591
C72.27643.55864.75524.95391.34512.28961.46805.36875.78002.16673.33231.06862.2535
C82.27643.55864.95394.75522.28961.34511.46805.78005.36873.33232.16672.25351.0686
H93.51572.40021.05892.28614.05094.86985.36875.78003.12393.74575.26036.18816.8314
H103.51572.40022.28611.05894.86984.05095.78005.36873.12395.26033.74576.83146.1881
H112.25002.87553.49474.23691.06873.36952.16673.33233.74575.26034.36642.62894.3151
H122.25002.87554.23693.49473.36951.06873.33232.16675.26033.74574.36644.31512.6289
H133.31744.56315.67555.97792.15913.30651.06862.25356.18816.83142.62894.31512.6815
H143.31744.56315.97795.67553.30652.15912.25351.06866.83146.18814.31512.62892.6815

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.691 C1 C2 C4 152.691
C1 C5 C7 108.147 C1 C5 H11 124.533
C1 C6 C8 108.147 C1 C6 H12 124.533
C2 C1 C5 127.031 C2 C1 C6 127.031
C2 C3 C4 62.691 C2 C3 H9 148.596
C2 C4 C3 62.691 C2 C4 H10 148.596
C3 C2 C4 54.617 C3 C4 H10 148.712
C4 C3 H9 148.712 C5 C1 C6 105.938
C5 C7 C8 108.883 C5 C7 H13 126.520
C6 C8 C7 108.883 C6 C8 H14 126.520
C7 C5 H11 127.319 C7 C8 H14 124.596
C8 C6 H12 127.319 C8 C7 H13 124.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 C 0.028      
3 C -0.111      
4 C -0.111      
5 C -0.203      
6 C -0.203      
7 C -0.259      
8 C -0.259      
9 H 0.284      
10 H 0.284      
11 H 0.214      
12 H 0.214      
13 H 0.217      
14 H 0.217      


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 4.498 4.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.721 0.000 0.000
y 0.000 -41.034 0.000
z 0.000 0.000 -35.058
Traceless
 xyz
x -14.675 0.000 0.000
y 0.000 2.855 0.000
z 0.000 0.000 11.820
Polar
3z2-r223.640
x2-y2-11.687
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.921 0.000 0.000
y 0.000 10.413 0.000
z 0.000 0.000 19.574


<r2> (average value of r2) Å2
<r2> 268.393
(<r2>)1/2 16.383