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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-229.281422
Energy at 298.15K-229.284204
Nuclear repulsion energy168.054513
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/STO-3G
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 3287 2933 0.00      
2 A 2542 2269 0.00      
3 A 1560 1392 0.00      
4 A 1324 1181 0.00      
5 A 571 510 0.00      
6 A 13 12 0.00      
7 A 3287 2933 1.08      
8 A 2453 2189 13.68      
9 A 1553 1386 30.68      
10 A 991 885 5.45      
11 A 3440 3070 0.68      
11 A 3440 3070 0.68      
12 A 1649 1472 12.04      
12 A 1649 1472 12.04      
13 A 1139 1016 9.36      
13 A 1139 1016 9.36      
14 A 372 332 1.41      
14 A 372 332 1.41      
15 A 101 91 3.18      
15 A 101 91 3.18      
16 A 3440 3070 0.00      
16 A 3440 3070 0.00      
17 A 1649 1472 0.00      
17 A 1649 1472 0.00      
18 A 1136 1013 0.00      
18 A 1136 1013 0.00      
19 A 553 494 0.00      
19 A 553 494 0.00      
20 A 255 227 0.00      
20 A 255 227 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22525.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 20101.6 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/STO-3G
ABC
2.60997 0.03614 0.03614

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.696
C2 0.000 0.000 -0.696
C3 0.000 0.000 1.911
C4 0.000 0.000 -1.911
C5 0.000 0.000 3.398
C6 0.000 0.000 -3.398
H7 0.000 1.034 3.789
H8 -0.895 -0.517 3.789
H9 0.895 -0.517 3.789
H10 0.000 1.034 -3.789
H11 0.895 -0.517 -3.789
H12 -0.895 -0.517 -3.789

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39281.21482.60752.70184.09463.26103.26103.26104.60334.60334.6033
C21.39282.60751.21484.09462.70184.60334.60334.60333.26103.26103.2610
C31.21482.60753.82231.48715.30942.14382.14382.14385.79345.79345.7934
C42.60751.21483.82235.30941.48715.79345.79345.79342.14382.14382.1438
C52.70184.09461.48715.30946.79651.10501.10501.10507.26157.26157.2615
C64.09462.70185.30941.48716.79657.26157.26157.26151.10501.10501.1050
H73.26104.60332.14385.79341.10507.26151.79011.79017.57877.78727.7872
H83.26104.60332.14385.79341.10507.26151.79011.79017.78727.78727.5787
H93.26104.60332.14385.79341.10507.26151.79011.79017.78727.57877.7872
H104.60333.26105.79342.14387.26151.10507.57877.78727.78721.79011.7901
H114.60333.26105.79342.14387.26151.10507.78727.78727.57871.79011.7901
H124.60333.26105.79342.14387.26151.10507.78727.57877.78721.79011.7901

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 110.727 C3 C5 H8 110.727
C3 C5 H9 110.727 C4 C6 H10 110.727
C4 C6 H11 110.727 C4 C6 H12 110.727
H7 C5 H8 108.187 H7 C5 H9 108.187
H8 C5 H9 108.187 H10 C6 H11 108.187
H10 C6 H12 108.187 H11 C6 H12 108.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 C -0.058      
3 C -0.024      
4 C -0.024      
5 C -0.226      
6 C -0.226      
7 H 0.103      
8 H 0.103      
9 H 0.103      
10 H 0.103      
11 H 0.103      
12 H 0.103      


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 -33.306 0.000 0.000
y 0.000 -33.306 0.000
z 0.000 0.000 -19.341
Traceless
 xyz
x -6.982 0.000 0.000
y 0.000 -6.982 0.000
z 0.000 0.000 13.965
Polar
3z2-r227.930
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 2.171 0.000 0.000
y 0.000 2.171 0.000
z 0.000 0.000 13.445


<r2> (average value of r2) Å2
<r2> 298.685
(<r2>)1/2 17.282