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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-232.124652
Energy at 298.15K-232.127806
Nuclear repulsion energy170.708974
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 B3PW91/cc-pVTZ
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 3026 2910 0.00      
2 A 2377 2286 0.00      
3 A 1410 1356 0.00      
4 A 1299 1249 0.00      
5 A 564 542 0.00      
6 A 46 44 0.00      
7 A 3026 2910 57.03      
8 A 2274 2187 7.52      
9 A 1401 1347 10.93      
10 A 964 927 4.88      
11 A 3091 2972 11.43      
11 A 3091 2972 11.43      
12 A 1465 1409 16.44      
12 A 1465 1409 16.43      
13 A 1043 1003 2.67      
13 A 1043 1003 2.67      
14 A 380 366 4.91      
14 A 380 366 4.91      
15 A 100 97 7.53      
15 A 100 97 7.53      
16 A 3091 2973 0.00      
16 A 3091 2973 0.00      
17 A 1465 1409 0.00      
17 A 1465 1409 0.00      
18 A 1037 997 0.00      
18 A 1037 997 0.00      
19 A 527 507 0.00      
19 A 527 507 0.00      
20 A 248 239 0.00      
20 A 248 239 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20641.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 19848.9 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 B3PW91/cc-pVTZ
ABC
2.67757 0.03735 0.03735

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.681
C2 0.000 0.000 -0.681
C3 0.000 0.000 1.890
C4 0.000 0.000 -1.890
C5 0.000 0.000 3.337
C6 0.000 0.000 -3.337
H7 0.000 1.020 3.729
H8 -0.884 -0.510 3.729
H9 0.884 -0.510 3.729
H10 0.000 1.020 -3.729
H11 0.884 -0.510 -3.729
H12 -0.884 -0.510 -3.729

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36231.20852.57082.65634.01863.21413.21413.21414.52664.52664.5266
C21.36232.57081.20854.01862.65634.52664.52664.52663.21413.21413.2141
C31.20852.57083.77931.44785.22712.10342.10342.10345.71055.71055.7105
C42.57081.20853.77935.22711.44785.71055.71055.71052.10342.10342.1034
C52.65634.01861.44785.22716.67481.09291.09291.09297.13977.13977.1397
C64.01862.65635.22711.44786.67487.13977.13977.13971.09291.09291.0929
H73.21414.52662.10345.71051.09297.13971.76731.76737.45797.66457.6645
H83.21414.52662.10345.71051.09297.13971.76731.76737.66457.66457.4579
H93.21414.52662.10345.71051.09297.13971.76731.76737.66457.45797.6645
H104.52663.21415.71052.10347.13971.09297.45797.66457.66451.76731.7673
H114.52663.21415.71052.10347.13971.09297.66457.66457.45791.76731.7673
H124.52663.21415.71052.10347.13971.09297.66457.45797.66451.76731.7673

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 110.993 C3 C5 H8 110.993
C3 C5 H9 110.993 C4 C6 H10 110.993
C4 C6 H11 110.993 C4 C6 H12 110.993
H7 C5 H8 107.907 H7 C5 H9 107.907
H8 C5 H9 107.907 H10 C6 H11 107.907
H10 C6 H12 107.907 H11 C6 H12 107.907
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.427      
2 C 0.427      
3 C -0.465      
4 C -0.465      
5 C -0.302      
6 C -0.302      
7 H 0.113      
8 H 0.113      
9 H 0.113      
10 H 0.113      
11 H 0.113      
12 H 0.113      


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        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.376 0.000 0.000
y 0.000 -36.376 0.000
z 0.000 0.000 -19.054
Traceless
 xyz
x -8.661 0.000 0.000
y 0.000 -8.661 0.000
z 0.000 0.000 17.322
Polar
3z2-r234.644
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 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> 290.868
(<r2>)1/2 17.055