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

using model chemistry: B3LYP/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 B3LYP/6-31+G**
 hartrees
Energy at 0K-232.156330
Energy at 298.15K-232.159651
Nuclear repulsion energy169.652215
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/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 A 3028 2919 0.00      
2 A 2369 2284 0.00      
3 A 1421 1370 0.00      
4 A 1293 1246 0.00      
5 A 561 541 0.00      
6 A 45 44 0.00      
7 A 3027 2919 78.14      
8 A 2265 2184 2.42      
9 A 1414 1364 16.31      
10 A 954 919 2.37      
11 A 3092 2981 16.33      
11 A 3092 2981 16.33      
12 A 1479 1426 16.16      
12 A 1479 1426 16.16      
13 A 1051 1014 2.88      
13 A 1051 1014 2.88      
14 A 380 366 5.94      
14 A 380 366 5.94      
15 A 107 103 8.88      
15 A 107 103 8.88      
16 A 3092 2981 0.00      
16 A 3092 2981 0.00      
17 A 1479 1426 0.00      
17 A 1479 1426 0.00      
18 A 1047 1009 0.00      
18 A 1047 1009 0.00      
19 A 691 667 0.00      
19 A 691 667 0.00      
20 A 241 233 0.00      
20 A 241 233 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20845.9 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 20099.6 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/6-31+G**
ABC
2.66298 0.03686 0.03686

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.685
C2 0.000 0.000 -0.685
C3 0.000 0.000 1.902
C4 0.000 0.000 -1.902
C5 0.000 0.000 3.360
C6 0.000 0.000 -3.360
H7 0.000 1.023 3.754
H8 -0.886 -0.512 3.754
H9 0.886 -0.512 3.754
H10 0.000 1.023 -3.754
H11 0.886 -0.512 -3.754
H12 -0.886 -0.512 -3.754

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36931.21732.58662.67544.04463.23503.23503.23504.55464.55464.5546
C21.36932.58661.21734.04462.67544.55464.55464.55463.23503.23503.2350
C31.21732.58663.80391.45805.26202.11552.11552.11555.74745.74745.7474
C42.58661.21733.80395.26201.45805.74745.74745.74742.11552.11552.1155
C52.67544.04461.45805.26206.72001.09631.09631.09637.18687.18687.1868
C64.04462.67545.26201.45806.72007.18687.18687.18681.09631.09631.0963
H73.23504.55462.11555.74741.09637.18681.77221.77227.50727.71357.7135
H83.23504.55462.11555.74741.09637.18681.77221.77227.71357.71357.5072
H93.23504.55462.11555.74741.09637.18681.77221.77227.71357.50727.7135
H104.55463.23505.74742.11557.18681.09637.50727.71357.71351.77221.7722
H114.55463.23505.74742.11557.18681.09637.71357.71357.50721.77221.7722
H124.55463.23505.74742.11557.18681.09637.71357.50727.71351.77221.7722

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 111.040 C3 C5 H8 111.040
C3 C5 H9 111.040 C4 C6 H10 111.040
C4 C6 H11 111.040 C4 C6 H12 111.040
H7 C5 H8 107.857 H7 C5 H9 107.857
H8 C5 H9 107.857 H10 C6 H11 107.857
H10 C6 H12 107.857 H11 C6 H12 107.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 2.794     -0.133
2 C 2.794     -0.133
3 C -3.140     0.071
4 C -3.140     0.071
5 C -0.193     -0.343
6 C -0.193     -0.343
7 H 0.180     0.134
8 H 0.180     0.135
9 H 0.180     0.135
10 H 0.180     0.134
11 H 0.180     0.135
12 H 0.180     0.135


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 0.003 -0.008 0.000 0.009


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.026 0.000 0.000
y 0.000 -37.026 0.000
z 0.000 0.000 -19.835
Traceless
 xyz
x -8.596 0.000 0.000
y 0.000 -8.596 0.000
z 0.000 0.000 17.191
Polar
3z2-r234.382
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 6.023 0.000 0.000
y 0.000 6.023 0.000
z 0.000 0.000 22.075


<r2> (average value of r2) Å2
<r2> 294.875
(<r2>)1/2 17.172