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All results from a given calculation for C8H6 (Calicene)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-307.939589
Energy at 298.15K-307.944147
HF Energy-307.939589
Nuclear repulsion energy298.666006
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 PBEPBE/6-31G(2df,p)
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 3231 3198 6.97      
2 A1 3176 3143 9.02      
3 A1 3152 3119 9.58      
4 A1 1788 1769 434.00      
5 A1 1552 1536 85.35      
6 A1 1457 1442 52.78      
7 A1 1367 1353 72.43      
8 A1 1194 1182 19.89      
9 A1 1050 1039 8.06      
10 A1 1007 997 6.36      
11 A1 926 917 10.41      
12 A1 862 853 28.24      
13 A1 477 472 0.01      
14 A2 891 882 0.00      
15 A2 856 847 0.00      
16 A2 666 659 0.00      
17 A2 570 565 0.00      
18 A2 203 201 0.00      
19 B1 834 826 0.06      
20 B1 741 733 49.32      
21 B1 710 702 50.35      
22 B1 622 615 2.68      
23 B1 424 420 6.77      
24 B1 133 131 4.91      
25 B2 3190 3157 2.41      
26 B2 3169 3136 22.15      
27 B2 3140 3108 3.04      
28 B2 1535 1519 0.43      
29 B2 1297 1284 0.18      
30 B2 1185 1173 1.04      
31 B2 1070 1059 21.74      
32 B2 1063 1052 0.68      
33 B2 900 891 7.11      
34 B2 802 794 1.45      
35 B2 483 478 0.89      
36 B2 141 140 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 22930.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 22694.4 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 PBEPBE/6-31G(2df,p)
ABC
0.22443 0.04716 0.03897

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.048
C2 0.000 0.000 1.309
C3 0.000 0.667 2.579
C4 0.000 -0.667 2.579
C5 0.000 1.175 -0.913
C6 0.000 -1.175 -0.913
C7 0.000 0.728 -2.210
C8 0.000 -0.728 -2.210
H9 0.000 1.591 3.149
H10 0.000 -1.591 3.149
H11 0.000 2.206 -0.562
H12 0.000 -2.206 -0.562
H13 0.000 1.352 -3.105
H14 0.000 -1.352 -3.105

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.35662.70952.70951.45891.45892.28222.28223.57073.57072.26512.26513.34313.3431
C21.35661.43401.43402.51322.51323.59403.59402.43252.43252.89262.89264.61654.6165
C32.70951.43401.33343.52813.94724.78954.98811.08612.32853.49754.25635.72496.0315
C42.70951.43401.33343.94723.52814.98814.78952.32851.08614.25633.49756.03155.7249
C51.45892.51323.52813.94722.34961.37252.30344.08314.91401.08923.39892.19963.3453
C61.45892.51323.94723.52812.34962.30341.37254.91404.08313.39891.08923.34532.1996
C72.28223.59404.78954.98811.37252.30341.45655.42865.83992.21383.36551.09062.2644
C82.28223.59404.98814.78952.30341.37251.45655.83995.42863.36552.21382.26441.0906
H93.57072.43251.08612.32854.08314.91405.42865.83993.18163.76195.30936.25896.9120
H103.57072.43252.32851.08614.91404.08315.83995.42863.18165.30933.76196.91206.2589
H112.26512.89263.49754.25631.08923.39892.21383.36553.76195.30934.41192.68264.3733
H122.26512.89264.25633.49753.39891.08923.36552.21385.30933.76194.41194.37332.6826
H133.34314.61655.72496.03152.19963.34531.09062.26446.25896.91202.68264.37332.7039
H143.34314.61656.03155.72493.34532.19962.26441.09066.91206.25894.37332.68262.7039

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.294 C1 C2 C4 152.294
C1 C5 C7 107.379 C1 C5 H11 124.851
C1 C6 C8 107.379 C1 C6 H12 124.851
C2 C1 C5 126.367 C2 C1 C6 126.367
C2 C3 C4 62.294 C2 C3 H9 149.400
C2 C4 C3 62.294 C2 C4 H10 149.400
C3 C2 C4 55.411 C3 C4 H10 148.306
C4 C3 H9 148.306 C5 C1 C6 107.266
C5 C7 C8 108.988 C5 C7 H13 126.128
C6 C8 C7 108.988 C6 C8 H14 126.128
C7 C5 H11 127.770 C7 C8 H14 124.884
C8 C6 H12 127.770 C8 C7 H13 124.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C 0.318      
3 C -0.165      
4 C -0.165      
5 C -0.240      
6 C -0.240      
7 C -0.128      
8 C -0.128      
9 H 0.175      
10 H 0.175      
11 H 0.078      
12 H 0.078      
13 H 0.084      
14 H 0.084      


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 4.393 4.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.029 0.000 0.000
y 0.000 -40.958 0.000
z 0.000 0.000 -34.956
Traceless
 xyz
x -11.072 0.000 0.000
y 0.000 1.034 0.000
z 0.000 0.000 10.038
Polar
3z2-r220.076
x2-y2-8.070
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.061 0.000 0.000
y 0.000 12.150 0.000
z 0.000 0.000 20.994


<r2> (average value of r2) Å2
<r2> 271.186
(<r2>)1/2 16.468