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All results from a given calculation for C8H6 (Calicene)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-308.136479
Energy at 298.15K-308.128900
HF Energy-308.337309
Nuclear repulsion energy300.153577
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 B3LYP/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 3305 3189 9.43      
2 A1 3235 3122 11.58      
3 A1 3212 3099 9.39      
4 A1 1820 1756 511.06      
5 A1 1588 1533 118.75      
6 A1 1495 1442 72.90      
7 A1 1405 1356 99.21      
8 A1 1220 1178 23.09      
9 A1 1084 1046 8.88      
10 A1 1023 987 10.84      
11 A1 956 922 6.35      
12 A1 887 856 42.84      
13 A1 488 471 0.10      
14 A2 932 900 0.00      
15 A2 897 866 0.00      
16 A2 702 678 0.00      
17 A2 591 571 0.00      
18 A2 212 205 0.00      
19 B1 878 847 0.00      
20 B1 773 746 43.84      
21 B1 743 717 56.64      
22 B1 641 618 3.23      
23 B1 445 429 6.56      
24 B1 139 134 4.81      
25 B2 3263 3149 3.79      
26 B2 3228 3115 26.88      
27 B2 3201 3089 2.52      
28 B2 1584 1528 0.31      
29 B2 1336 1289 0.18      
30 B2 1222 1179 1.21      
31 B2 1113 1074 18.78      
32 B2 1102 1063 4.11      
33 B2 940 907 5.80      
34 B2 831 802 1.60      
35 B2 500 482 0.81      
36 B2 149 144 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 23569.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22744.2 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 B3LYP/6-31G(2df,p)
ABC
0.22652 0.04759 0.03932

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.043
C2 0.000 0.000 1.304
C3 0.000 0.661 2.567
C4 0.000 -0.661 2.567
C5 0.000 1.170 -0.911
C6 0.000 -1.170 -0.911
C7 0.000 0.727 -2.199
C8 0.000 -0.727 -2.199
H9 0.000 1.579 3.132
H10 0.000 -1.579 3.132
H11 0.000 2.194 -0.565
H12 0.000 -2.194 -0.565
H13 0.000 1.346 -3.088
H14 0.000 -1.346 -3.088

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34782.69302.69301.45661.45662.27542.27543.54603.54602.25572.25573.32863.3286
C21.34781.42551.42552.50542.50543.57853.57852.41492.41492.88302.88304.59384.5938
C32.69301.42551.32263.51523.93084.76714.96481.07722.31003.48764.23895.69636.0006
C42.69301.42551.32263.93083.51524.96484.76712.31001.07724.23893.48766.00065.6963
C51.45662.50543.51523.93082.33981.36222.29344.06364.88871.08133.38212.18393.3266
C61.45662.50543.93083.51522.33982.29341.36224.88874.06363.38211.08133.32662.1839
C72.27543.57854.76714.96481.36222.29341.45485.39895.80872.19603.34771.08242.2553
C82.27543.57854.96484.76712.29341.36221.45485.80875.39893.34772.19602.25531.0824
H93.54602.41491.07722.31004.06364.88875.39895.80873.15713.74825.28266.22426.8729
H103.54602.41492.31001.07724.88874.06365.80875.39893.15715.28263.74826.87296.2242
H112.25572.88303.48764.23891.08133.38212.19603.34773.74825.28264.38892.66164.3468
H122.25572.88304.23893.48763.38211.08133.34772.19605.28263.74824.38894.34682.6616
H133.32864.59385.69636.00062.18393.32661.08242.25536.22426.87292.66164.34682.6911
H143.32864.59386.00065.69633.32662.18392.25531.08246.87296.22424.34682.66162.6911

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.602 C1 C2 C4 152.602
C1 C5 C7 108.438 C1 C5 H11 123.681
C1 C6 C8 108.438 C1 C6 H12 123.681
C2 C1 C5 126.993 C2 C1 C6 126.993
C2 C3 C4 62.602 C2 C3 H9 147.133
C2 C4 C3 62.602 C2 C4 H10 147.133
C3 C2 C4 54.797 C3 C4 H10 150.265
C4 C3 H9 150.265 C5 C1 C6 106.014
C5 C7 C8 108.555 C5 C7 H13 127.557
C6 C8 C7 108.555 C6 C8 H14 127.557
C7 C5 H11 127.880 C7 C8 H14 123.889
C8 C6 H12 127.880 C8 C7 H13 123.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 C 0.335      
3 C -0.168      
4 C -0.168      
5 C -0.228      
6 C -0.228      
7 C -0.125      
8 C -0.125      
9 H 0.176      
10 H 0.176      
11 H 0.072      
12 H 0.072      
13 H 0.079      
14 H 0.079      


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 4.469 4.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 268.988
(<r2>)1/2 16.401