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

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-231.879257
Energy at 298.15K-231.882539
HF Energy-231.879257
Nuclear repulsion energy170.014855
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 HSEh1PBE/6-31+G**
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' 3053 2915 0.00      
2 A1' 2395 2287 0.00      
3 A1' 1419 1355 0.00      
4 A1' 1312 1252 0.00      
5 A1' 570 544 0.00      
6 A1" 28 27 0.00      
7 A2" 3053 2915 64.66      
8 A2" 2286 2183 4.98      
9 A2" 1408 1345 8.96      
10 A2" 974 930 3.81      
11 E' 3130 2989 10.64      
11 E' 3130 2989 10.64      
12 E' 1474 1407 18.18      
12 E' 1474 1407 18.18      
13 E' 1044 997 3.72      
13 E' 1044 997 3.72      
14 E' 381 364 6.96      
14 E' 381 364 6.95      
15 E' 105 100 8.96      
15 E' 105 100 8.96      
16 E" 3130 2989 0.00      
16 E" 3130 2989 0.00      
17 E" 1474 1407 0.00      
17 E" 1474 1407 0.00      
18 E" 1039 992 0.00      
18 E" 1039 992 0.00      
19 E" 673 643 0.00      
19 E" 673 643 0.00      
20 E" 244 233 0.00      
20 E" 244 233 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20943.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19996.7 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 HSEh1PBE/6-31+G**
ABC
2.66652 0.03702 0.03702

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.684
C2 0.000 0.000 -0.684
C3 0.000 0.000 1.900
C4 0.000 0.000 -1.900
C5 0.000 0.000 3.351
C6 0.000 0.000 -3.351
H7 0.000 1.022 3.744
H8 -0.885 -0.511 3.744
H9 0.885 -0.511 3.744
H10 0.000 1.022 -3.744
H11 0.885 -0.511 -3.744
H12 -0.885 -0.511 -3.744

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36721.21642.58352.66764.03483.22673.22673.22674.54414.54414.5441
C21.36722.58351.21644.03482.66764.54414.54414.54413.22673.22673.2267
C31.21642.58353.79991.45125.25122.10862.10862.10865.73595.73595.7359
C42.58351.21643.79995.25121.45125.73595.73595.73592.10862.10862.1086
C52.66764.03481.45125.25126.70241.09541.09541.09547.16857.16857.1685
C64.03482.66765.25121.45126.70247.16857.16857.16851.09541.09541.0954
H73.22674.54412.10865.73591.09547.16851.77101.77107.48817.69477.6947
H83.22674.54412.10865.73591.09547.16851.77101.77107.69477.69477.4881
H93.22674.54412.10865.73591.09547.16851.77101.77107.69477.48817.6947
H104.54413.22675.73592.10867.16851.09547.48817.69477.69471.77101.7710
H114.54413.22675.73592.10867.16851.09547.69477.69477.48811.77101.7710
H124.54413.22675.73592.10867.16851.09547.69477.48817.69471.77101.7710

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 111.017 C3 C5 H8 111.017
C3 C5 H9 111.017 C4 C6 H10 111.017
C4 C6 H11 111.017 C4 C6 H12 111.017
H7 C5 H8 107.883 H7 C5 H9 107.883
H8 C5 H9 107.883 H10 C6 H11 107.883
H10 C6 H12 107.883 H11 C6 H12 107.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.806      
2 C 0.806      
3 C -0.396      
4 C -0.396      
5 C -1.008      
6 C -1.008      
7 H 0.199      
8 H 0.199      
9 H 0.199      
10 H 0.199      
11 H 0.199      
12 H 0.199      


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 -36.764 0.000 0.000
y 0.000 -36.764 0.000
z 0.000 0.000 -18.913
Traceless
 xyz
x -8.926 0.000 0.000
y 0.000 -8.926 0.000
z 0.000 0.000 17.852
Polar
3z2-r235.704
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 5.921 0.000 0.000
y 0.000 5.921 0.000
z 0.000 0.000 21.863


<r2> (average value of r2) Å2
<r2> 293.318
(<r2>)1/2 17.127