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All results from a given calculation for C8H6 (Calicene)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-306.201760
Energy at 298.15K-306.206381
HF Energy-306.201760
Nuclear repulsion energy296.785174
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/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 3263 3234 4.63      
2 A1 3200 3171 11.94      
3 A1 3173 3144 4.61      
4 A1 1774 1758 394.91      
5 A1 1524 1510 49.52      
6 A1 1446 1433 40.50      
7 A1 1359 1346 66.21      
8 A1 1175 1164 28.44      
9 A1 1076 1067 3.33      
10 A1 989 980 12.70      
11 A1 927 919 7.62      
12 A1 875 867 36.61      
13 A1 476 471 0.61      
14 A2 906 897 0.00      
15 A2 892 884 0.00      
16 A2 687 681 0.00      
17 A2 582 577 0.00      
18 A2 209 207 0.00      
19 B1 871 863 0.13      
20 B1 738 731 62.41      
21 B1 717 710 115.00      
22 B1 619 613 7.98      
23 B1 430 426 9.14      
24 B1 133 131 7.03      
25 B2 3220 3191 5.30      
26 B2 3190 3161 15.80      
27 B2 3162 3134 2.28      
28 B2 1526 1513 0.01      
29 B2 1298 1286 0.11      
30 B2 1177 1166 0.46      
31 B2 1091 1081 16.81      
32 B2 1062 1053 11.94      
33 B2 887 879 3.95      
34 B2 835 828 1.08      
35 B2 473 469 1.13      
36 B2 145 144 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 23052.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 22842.2 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 PBEPBE/3-21G
ABC
0.22111 0.04657 0.03847

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.044
C2 0.000 0.000 1.307
C3 0.000 0.672 2.599
C4 0.000 -0.672 2.599
C5 0.000 1.185 -0.921
C6 0.000 -1.185 -0.921
C7 0.000 0.736 -2.223
C8 0.000 -0.736 -2.223
H9 0.000 1.591 3.168
H10 0.000 -1.591 3.168
H11 0.000 2.215 -0.570
H12 0.000 -2.215 -0.570
H13 0.000 1.355 -3.119
H14 0.000 -1.355 -3.119

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.35062.72662.72661.47441.47442.29982.29983.58463.58462.27682.27683.36023.3602
C21.35061.45621.45622.52342.52343.60533.60532.44882.44882.90352.90354.62834.6283
C32.72661.45621.34343.55703.97954.82185.02271.08152.33353.52504.28685.75816.0661
C42.72661.45621.34343.97953.55705.02274.82182.33351.08154.28683.52506.06615.7581
C51.47442.52343.55703.97952.37011.37682.32074.10934.94261.08813.41812.20423.3590
C61.47442.52343.97953.55702.37012.32071.37684.94264.10933.41811.08813.35902.2042
C72.29983.60534.82185.02271.37682.32071.47265.45815.87182.21733.38241.08912.2755
C82.29983.60535.02274.82182.32071.37681.47265.87185.45813.38242.21732.27551.0891
H93.58462.44881.08152.33354.10934.94265.45815.87183.18243.79025.33526.29126.9430
H103.58462.44882.33351.08154.94264.10935.87185.45813.18245.33523.79026.94306.2912
H112.27682.90353.52504.28681.08813.41812.21733.38243.79025.33524.43012.68944.3865
H122.27682.90354.28683.52503.41811.08813.38242.21735.33523.79024.43014.38652.6894
H133.36024.62835.75816.06612.20423.35901.08912.27556.29126.94302.68944.38652.7106
H143.36024.62836.06615.75813.35902.20422.27551.08916.94306.29124.38652.68942.7106

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.530 C1 C2 C4 152.530
C1 C5 C7 107.486 C1 C5 H11 124.693
C1 C6 C8 107.486 C1 C6 H12 124.693
C2 C1 C5 126.509 C2 C1 C6 126.509
C2 C3 C4 62.530 C2 C3 H9 149.238
C2 C4 C3 62.530 C2 C4 H10 149.238
C3 C2 C4 54.940 C3 C4 H10 148.232
C4 C3 H9 148.232 C5 C1 C6 106.983
C5 C7 C8 109.022 C5 C7 H13 126.340
C6 C8 C7 109.022 C6 C8 H14 126.340
C7 C5 H11 127.821 C7 C8 H14 124.638
C8 C6 H12 127.821 C8 C7 H13 124.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 C 0.062      
3 C -0.074      
4 C -0.074      
5 C -0.180      
6 C -0.180      
7 C -0.212      
8 C -0.212      
9 H 0.221      
10 H 0.221      
11 H 0.167      
12 H 0.167      
13 H 0.174      
14 H 0.174      


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 4.138 4.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.537 0.000 0.000
y 0.000 -40.442 0.000
z 0.000 0.000 -34.390
Traceless
 xyz
x -14.121 0.000 0.000
y 0.000 2.522 0.000
z 0.000 0.000 11.599
Polar
3z2-r223.198
x2-y2-11.096
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.195 0.000 0.000
y 0.000 11.156 0.000
z 0.000 0.000 19.704


<r2> (average value of r2) Å2
<r2> 274.566
(<r2>)1/2 16.570