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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-231.882141
Energy at 298.15K-231.884998
Nuclear repulsion energy169.609934
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 PBEPBE/6-311G**
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 2953 2926 0.00      
2 A 2298 2277 0.00      
3 A 1368 1356 0.00      
4 A 1289 1278 0.00      
5 A 557 552 0.00      
6 A 4 4 0.00      
7 A 2952 2926 75.55      
8 A 2199 2179 8.44      
9 A 1356 1343 12.85      
10 A 951 942 6.58      
11 A 3015 2987 16.23      
11 A 3015 2987 16.23      
12 A 1421 1408 16.55      
12 A 1421 1408 16.55      
13 A 1004 994 5.59      
13 A 1004 994 5.59      
14 A 339 336 6.28      
14 A 339 336 6.28      
15 A 98 97 7.42      
15 A 98 97 7.42      
16 A 3015 2987 0.00      
16 A 3015 2987 0.00      
17 A 1421 1408 0.00      
17 A 1421 1408 0.00      
18 A 998 989 0.00      
18 A 998 989 0.00      
19 A 516 511 0.00      
19 A 516 511 0.00      
20 A 231 229 0.00      
20 A 231 229 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20019.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 19837.1 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 PBEPBE/6-311G**
ABC
2.63933 0.03691 0.03691

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.680
C2 0.000 0.000 -0.680
C3 0.000 0.000 1.904
C4 0.000 0.000 -1.904
C5 0.000 0.000 3.355
C6 0.000 0.000 -3.355
H7 0.000 1.028 3.755
H8 -0.890 -0.514 3.755
H9 0.890 -0.514 3.755
H10 0.000 1.028 -3.755
H11 0.890 -0.514 -3.755
H12 -0.890 -0.514 -3.755

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36061.22392.58452.67484.03553.24183.24183.24184.55274.55274.5527
C21.36062.58451.22394.03552.67484.55274.55274.55273.24183.24183.2418
C31.22392.58453.80851.45095.25942.11692.11692.11695.75175.75175.7517
C42.58451.22393.80855.25941.45095.75175.75175.75172.11692.11692.1169
C52.67484.03551.45095.25946.71031.10281.10281.10287.18397.18397.1839
C64.03552.67485.25941.45096.71037.18397.18397.18391.10281.10281.1028
H73.24184.55272.11695.75171.10287.18391.78011.78017.50987.71797.7179
H83.24184.55272.11695.75171.10287.18391.78011.78017.71797.71797.5098
H93.24184.55272.11695.75171.10287.18391.78011.78017.71797.50987.7179
H104.55273.24185.75172.11697.18391.10287.50987.71797.71791.78011.7801
H114.55273.24185.75172.11697.18391.10287.71797.71797.50981.78011.7801
H124.55273.24185.75172.11697.18391.10287.71797.50987.71791.78011.7801

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 111.255 C3 C5 H8 111.255
C3 C5 H9 111.255 C4 C6 H10 111.255
C4 C6 H11 111.255 C4 C6 H12 111.255
H7 C5 H8 107.630 H7 C5 H9 107.630
H8 C5 H9 107.630 H10 C6 H11 107.630
H10 C6 H12 107.630 H11 C6 H12 107.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.009      
2 C 0.009      
3 C -0.191      
4 C -0.191      
5 C -0.281      
6 C -0.281      
7 H 0.154      
8 H 0.154      
9 H 0.154      
10 H 0.154      
11 H 0.154      
12 H 0.154      


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 -36.615 0.000 0.000
y 0.000 -36.615 0.000
z 0.000 0.000 -18.868
Traceless
 xyz
x -8.873 0.000 0.000
y 0.000 -8.873 0.000
z 0.000 0.000 17.746
Polar
3z2-r235.493
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 5.579 0.000 0.000
y 0.000 5.579 0.000
z 0.000 0.000 22.900


<r2> (average value of r2) Å2
<r2> 294.258
(<r2>)1/2 17.154