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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-231.983176
Energy at 298.15K-231.986219
Nuclear repulsion energy168.382591
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 BLYP/6-31G
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 2945 2922 0.00      
2 A 2305 2288 0.00      
3 A 1428 1417 0.00      
4 A 1282 1272 0.00      
5 A 549 545 0.00      
6 A 47 46 0.00      
7 A 2944 2921 114.30      
8 A 2196 2180 1.80      
9 A 1424 1414 20.25      
10 A 935 927 0.65      
11 A 3002 2979 36.72      
11 A 3002 2979 36.73      
12 A 1483 1472 14.91      
12 A 1483 1472 14.90      
13 A 1058 1050 8.83      
13 A 1058 1050 8.83      
14 A 342 340 5.07      
14 A 342 340 5.07      
15 A 94 93 5.73      
15 A 94 93 5.73      
16 A 3002 2980 0.00      
16 A 3002 2980 0.00      
17 A 1484 1472 0.00      
17 A 1484 1472 0.00      
18 A 1053 1045 0.00      
18 A 1053 1045 0.00      
19 A 587 583 0.00      
19 A 587 583 0.00      
20 A 230 228 0.00      
20 A 230 228 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20362.5 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 20207.8 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 BLYP/6-31G
ABC
2.63583 0.03633 0.03633

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

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 1.917
C4 0.000 0.000 -1.917
C5 0.000 0.000 3.382
C6 0.000 0.000 -3.382
H7 0.000 1.028 3.789
H8 -0.891 -0.514 3.789
H9 0.891 -0.514 3.789
H10 0.000 1.028 -3.789
H11 0.891 -0.514 -3.789
H12 -0.891 -0.514 -3.789

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36831.23292.60122.69814.06643.27033.27033.27034.58944.58944.5894
C21.36832.60121.23294.06642.69814.58944.58944.58943.27033.27033.2703
C31.23292.60123.83421.46525.29942.13542.13542.13545.79765.79765.7976
C42.60121.23293.83425.29941.46525.79765.79765.79762.13542.13542.1354
C52.69814.06641.46525.29946.76461.10581.10581.10587.24427.24427.2442
C64.06642.69815.29941.46526.76467.24427.24427.24421.10581.10581.1058
H73.27034.58942.13545.79761.10587.24421.78131.78137.57717.78377.7837
H83.27034.58942.13545.79761.10587.24421.78131.78137.78377.78377.5771
H93.27034.58942.13545.79761.10587.24421.78131.78137.78377.57717.7837
H104.58943.27035.79762.13547.24421.10587.57717.78377.78371.78131.7813
H114.58943.27035.79762.13547.24421.10587.78377.78377.57711.78131.7813
H124.58943.27035.79762.13547.24421.10587.78377.57717.78371.78131.7813

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 111.556 C3 C5 H8 111.556
C3 C5 H9 111.556 C4 C6 H10 111.556
C4 C6 H11 111.556 C4 C6 H12 111.556
H7 C5 H8 107.308 H7 C5 H9 107.308
H8 C5 H9 107.308 H10 C6 H11 107.308
H10 C6 H12 107.308 H11 C6 H12 107.308
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.065      
2 C 0.065      
3 C -0.210      
4 C -0.210      
5 C -0.333      
6 C -0.333      
7 H 0.159      
8 H 0.159      
9 H 0.159      
10 H 0.159      
11 H 0.159      
12 H 0.159      


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 -35.981 0.000 0.000
y 0.000 -35.981 0.000
z 0.000 0.000 -19.867
Traceless
 xyz
x -8.057 0.000 0.000
y 0.000 -8.057 0.000
z 0.000 0.000 16.114
Polar
3z2-r232.227
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> 298.580
(<r2>)1/2 17.279