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All results from a given calculation for C6H6 (2,4-Hexadiyne)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-230.637181
Energy at 298.15K-230.640874
Nuclear repulsion energy170.905672
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3196 2890 0.00      
2 A 2598 2350 0.00      
3 A 1549 1401 0.00      
4 A 1319 1193 0.00      
5 A 575 520 0.00      
6 A 10 9 0.00      
7 A 3195 2890 73.76      
8 A 2460 2225 3.41      
9 A 1543 1395 19.11      
10 A 987 893 1.11      
11 A 3260 2949 38.39      
11 A 3260 2949 38.39      
12 A 1612 1458 14.98      
12 A 1612 1458 14.98      
13 A 1162 1051 0.39      
13 A 1162 1051 0.39      
14 A 472 427 6.29      
14 A 472 427 6.29      
15 A 110 99 7.36      
15 A 110 99 7.36      
16 A 3260 2949 0.00      
16 A 3260 2949 0.00      
17 A 1612 1458 0.00      
17 A 1612 1458 0.00      
18 A 1162 1051 0.00      
18 A 1162 1051 0.00      
19 A 761 688 0.00      
19 A 761 688 0.00      
20 A 280 253 0.00      
20 A 280 253 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22407.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 20265.0 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/6-311G*
ABC
2.70903 0.03730 0.03730

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.693
C2 0.000 0.000 -0.693
C3 0.000 0.000 1.880
C4 0.000 0.000 -1.880
C5 0.000 0.000 3.345
C6 0.000 0.000 -3.345
H7 0.000 1.014 3.725
H8 -0.879 -0.507 3.725
H9 0.879 -0.507 3.725
H10 0.000 1.014 -3.725
H11 0.879 -0.507 -3.725
H12 -0.879 -0.507 -3.725

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.38691.18672.57362.65164.03843.19703.19703.19704.53364.53364.5336
C21.38692.57361.18674.03842.65164.53364.53364.53363.19703.19703.1970
C31.18672.57363.76041.46485.22522.10552.10552.10555.69645.69645.6964
C42.57361.18673.76045.22521.46485.69645.69645.69642.10552.10552.1055
C52.65164.03841.46485.22526.69001.08331.08331.08337.14267.14267.1426
C64.03842.65165.22521.46486.69007.14267.14267.14261.08331.08331.0833
H73.19704.53362.10555.69641.08337.14261.75711.75717.45047.65477.6547
H83.19704.53362.10555.69641.08337.14261.75711.75717.65477.65477.4504
H93.19704.53362.10555.69641.08337.14261.75711.75717.65477.45047.6547
H104.53363.19705.69642.10557.14261.08337.45047.65477.65471.75711.7571
H114.53363.19705.69642.10557.14261.08337.65477.65477.45041.75711.7571
H124.53363.19705.69642.10557.14261.08337.65477.45047.65471.75711.7571

picture of 2,4-Hexadiyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 110.544 C3 C5 H8 110.544
C3 C5 H9 110.544 C4 C6 H10 110.544
C4 C6 H11 110.544 C4 C6 H12 110.544
H7 C5 H8 108.377 H7 C5 H9 108.377
H8 C5 H9 108.377 H10 C6 H11 108.377
H10 C6 H12 108.377 H11 C6 H12 108.377
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.085 -0.024   -0.136
2 C -0.085 -0.024   -0.136
3 C -0.037 -0.184   0.069
4 C -0.037 -0.184   0.069
5 C -0.636 0.189   -0.384
6 C -0.636 0.189   -0.384
7 H 0.253 0.006   0.150
8 H 0.253 0.006   0.150
9 H 0.253 0.006   0.151
10 H 0.253 0.006   0.150
11 H 0.253 0.006   0.151
12 H 0.253 0.006   0.150


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 0.000 0.000
CHELPG        
AIM        
ESP 0.001 -0.010 0.000 0.010


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.110 0.000 0.000
y 0.000 -37.110 0.000
z 0.000 0.000 -19.521
Traceless
 xyz
x -8.794 0.000 0.000
y 0.000 -8.794 0.000
z 0.000 0.000 17.589
Polar
3z2-r235.178
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.232 0.000 0.000
y 0.000 5.232 0.000
z 0.000 0.000 17.646


<r2> (average value of r2) Å2
<r2> 291.412
(<r2>)1/2 17.071