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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-232.050440
Energy at 298.15K-232.053716
Nuclear repulsion energy169.977279
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 B3PW91/6-31G**
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 3039 2913 0.00      
2 A 2392 2292 0.00      
3 A 1422 1363 0.00      
4 A 1310 1256 0.00      
5 A 569 545 0.00      
6 A 45 43 0.00      
7 A 3039 2913 66.77      
8 A 2286 2191 5.07      
9 A 1411 1352 18.14      
10 A 971 931 2.31      
11 A 3114 2985 15.61      
11 A 3114 2985 15.60      
12 A 1478 1417 14.44      
12 A 1478 1417 14.44      
13 A 1045 1002 6.13      
13 A 1045 1002 6.13      
14 A 371 355 4.67      
14 A 371 355 4.67      
15 A 106 102 6.36      
15 A 106 102 6.36      
16 A 3114 2985 0.00      
16 A 3114 2985 0.00      
17 A 1478 1417 0.00      
17 A 1478 1417 0.00      
18 A 1040 997 0.00      
18 A 1040 997 0.00      
19 A 664 636 0.00      
19 A 664 636 0.00      
20 A 242 232 0.00      
20 A 242 232 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20894.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 20025.2 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 B3PW91/6-31G**
ABC
2.66652 0.03701 0.03701

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.683
C2 0.000 0.000 -0.683
C3 0.000 0.000 1.900
C4 0.000 0.000 -1.900
C5 0.000 0.000 3.352
C6 0.000 0.000 -3.352
H7 0.000 1.022 3.746
H8 -0.885 -0.511 3.746
H9 0.885 -0.511 3.746
H10 0.000 1.022 -3.746
H11 0.885 -0.511 -3.746
H12 -0.885 -0.511 -3.746

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36631.21642.58272.66854.03483.22943.22943.22944.54614.54614.5461
C21.36632.58271.21644.03482.66854.54614.54614.54613.22943.22943.2294
C31.21642.58273.79901.45225.25122.11112.11112.11115.73785.73785.7378
C42.58271.21643.79905.25121.45225.73785.73785.73782.11112.11112.1111
C52.66854.03481.45225.25126.70341.09601.09601.09607.17147.17147.1714
C64.03482.66855.25121.45226.70347.17147.17147.17141.09601.09601.0960
H73.22944.54612.11115.73781.09607.17141.77101.77107.49297.69937.6993
H83.22944.54612.11115.73781.09607.17141.77101.77107.69937.69937.4929
H93.22944.54612.11115.73781.09607.17141.77101.77107.69937.49297.6993
H104.54613.22945.73782.11117.17141.09607.49297.69937.69931.77101.7710
H114.54613.22945.73782.11117.17141.09607.69937.69937.49291.77101.7710
H124.54613.22945.73782.11117.17141.09607.69937.49297.69931.77101.7710

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 111.111 C3 C5 H8 111.111
C3 C5 H9 111.111 C4 C6 H10 111.111
C4 C6 H11 111.111 C4 C6 H12 111.111
H7 C5 H8 107.783 H7 C5 H9 107.783
H8 C5 H9 107.783 H10 C6 H11 107.783
H10 C6 H12 107.783 H11 C6 H12 107.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.706      
2 C 0.706      
3 C -0.766      
4 C -0.766      
5 C -0.452      
6 C -0.452      
7 H 0.171      
8 H 0.171      
9 H 0.171      
10 H 0.171      
11 H 0.171      
12 H 0.171      


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 -35.663 0.000 0.000
y 0.000 -35.663 0.000
z 0.000 0.000 -18.547
Traceless
 xyz
x -8.558 0.000 0.000
y 0.000 -8.558 0.000
z 0.000 0.000 17.116
Polar
3z2-r234.232
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> 292.903
(<r2>)1/2 17.114