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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-232.055510
Energy at 298.15K-232.058699
Nuclear repulsion energy169.529460
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 B3PW91/cc-pVDZ
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 3032 2926 0.00      
2 A 2390 2306 0.00      
3 A 1398 1349 0.00      
4 A 1310 1264 0.00      
5 A 570 550 0.00      
6 A 44 42 0.00      
7 A 3031 2925 68.91      
8 A 2283 2203 7.94      
9 A 1381 1333 19.74      
10 A 975 941 5.21      
11 A 3113 3004 9.59      
11 A 3113 3004 9.59      
12 A 1439 1389 16.91      
12 A 1439 1389 16.91      
13 A 1030 994 4.77      
13 A 1030 994 4.77      
14 A 379 366 5.17      
14 A 379 366 5.16      
15 A 103 99 7.08      
15 A 103 99 7.08      
16 A 3113 3004 0.00      
16 A 3113 3004 0.00      
17 A 1439 1389 0.00      
17 A 1439 1389 0.00      
18 A 1024 988 0.00      
18 A 1024 988 0.00      
19 A 563 543 0.00      
19 A 563 543 0.00      
20 A 249 240 0.00      
20 A 249 240 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20657.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19934.6 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 B3PW91/cc-pVDZ
ABC
2.63612 0.03685 0.03685

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

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 1.906
C4 0.000 0.000 -1.906
C5 0.000 0.000 3.358
C6 0.000 0.000 -3.358
H7 0.000 1.028 3.755
H8 -0.891 -0.514 3.755
H9 0.891 -0.514 3.755
H10 0.000 1.028 -3.755
H11 0.891 -0.514 -3.755
H12 -0.891 -0.514 -3.755

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36961.22102.59062.67324.04273.23763.23763.23764.55704.55704.5570
C21.36962.59061.22104.04272.67324.55704.55704.55703.23763.23763.2376
C31.22102.59063.81161.45225.26372.11562.11562.11565.75315.75315.7531
C42.59061.22103.81165.26371.45225.75315.75315.75312.11562.11562.1156
C52.67324.04271.45225.26376.71591.10221.10221.10227.18667.18667.1866
C64.04272.67325.26371.45226.71597.18667.18667.18661.10221.10221.1022
H73.23764.55702.11565.75311.10227.18661.78121.78127.50947.71777.7177
H83.23764.55702.11565.75311.10227.18661.78121.78127.71777.71777.5094
H93.23764.55702.11565.75311.10227.18661.78121.78127.71777.50947.7177
H104.55703.23765.75312.11567.18661.10227.50947.71777.71771.78121.7812
H114.55703.23765.75312.11567.18661.10227.71777.71777.50941.78121.7812
H124.55703.23765.75312.11567.18661.10227.71777.50947.71771.78121.7812

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 111.096 C3 C5 H8 111.096
C3 C5 H9 111.096 C4 C6 H10 111.096
C4 C6 H11 111.096 C4 C6 H12 111.096
H7 C5 H8 107.799 H7 C5 H9 107.799
H8 C5 H9 107.799 H10 C6 H11 107.799
H10 C6 H12 107.799 H11 C6 H12 107.799
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.319      
2 C 0.319      
3 C -0.497      
4 C -0.497      
5 C -0.070      
6 C -0.070      
7 H 0.082      
8 H 0.082      
9 H 0.082      
10 H 0.082      
11 H 0.082      
12 H 0.082      


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 -36.111 0.000 0.000
y 0.000 -36.111 0.000
z 0.000 0.000 -18.546
Traceless
 xyz
x -8.783 0.000 0.000
y 0.000 -8.783 0.000
z 0.000 0.000 17.566
Polar
3z2-r235.131
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> 294.350
(<r2>)1/2 17.157