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

using model chemistry: LSDA/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 LSDA/6-31+G**
 hartrees
Energy at 0K-230.791986
Energy at 298.15K-230.795114
Nuclear repulsion energy170.091294
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 LSDA/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 2962 2918 0.00      
2 A 2335 2300 0.00      
3 A 1381 1360 0.00      
4 A 1302 1282 0.00      
5 A 573 564 0.00      
6 A 11 11 0.00      
7 A 2962 2918 54.34      
8 A 2227 2194 10.36      
9 A 1341 1321 1.89      
10 A 982 967 12.54      
11 A 3038 2992 3.43      
11 A 3038 2992 3.43      
12 A 1400 1379 23.16      
12 A 1400 1379 23.16      
13 A 988 974 8.37      
13 A 988 974 8.37      
14 A 368 362 7.68      
14 A 368 362 7.68      
15 A 104 102 10.00      
15 A 104 102 10.00      
16 A 3038 2993 0.00      
16 A 3038 2993 0.00      
17 A 1400 1379 0.00      
17 A 1400 1379 0.00      
18 A 982 968 0.00      
18 A 982 968 0.00      
19 A 672 662 0.00      
19 A 672 662 0.00      
20 A 233 229 0.00      
20 A 233 229 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20260.9 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 19957.0 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 LSDA/6-31+G**
ABC
2.63641 0.03716 0.03716

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.677
C2 0.000 0.000 -0.677
C3 0.000 0.000 1.903
C4 0.000 0.000 -1.903
C5 0.000 0.000 3.340
C6 0.000 0.000 -3.340
H7 0.000 1.028 3.745
H8 -0.891 -0.514 3.745
H9 0.891 -0.514 3.745
H10 0.000 1.028 -3.745
H11 0.891 -0.514 -3.745
H12 -0.891 -0.514 -3.745

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.35411.22622.58032.66274.01683.23533.23523.23524.53964.53964.5396
C21.35412.58031.22624.01682.66274.53964.53964.53963.23533.23523.2352
C31.22622.58033.80651.43655.24302.10902.10902.10905.74065.74065.7406
C42.58031.22623.80655.24301.43655.74065.74065.74062.10902.10902.1090
C52.66274.01681.43655.24306.67951.10511.10511.10517.15857.15857.1585
C64.01682.66275.24301.43656.67957.15857.15857.15851.10511.10511.1051
H73.23534.53962.10905.74061.10517.15851.78111.78117.48917.69807.6980
H83.23524.53962.10905.74061.10517.15851.78111.78117.69807.69807.4891
H93.23524.53962.10905.74061.10517.15851.78111.78117.69807.48917.6980
H104.53963.23535.74062.10907.15851.10517.48917.69807.69801.78111.7811
H114.53963.23525.74062.10907.15851.10517.69807.69807.48911.78111.7811
H124.53963.23525.74062.10907.15851.10517.69807.48917.69801.78111.7811

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 111.487 C3 C5 H8 111.487
C3 C5 H9 111.487 C4 C6 H10 111.487
C4 C6 H11 111.487 C4 C6 H12 111.487
H7 C5 H8 107.383 H7 C5 H9 107.383
H8 C5 H9 107.383 H10 C6 H11 107.383
H10 C6 H12 107.383 H11 C6 H12 107.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.926      
2 C 0.926      
3 C -0.488      
4 C -0.488      
5 C -1.092      
6 C -1.092      
7 H 0.218      
8 H 0.218      
9 H 0.218      
10 H 0.218      
11 H 0.218      
12 H 0.218      


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 -36.893 0.000 0.000
y 0.000 -36.893 0.000
z 0.000 0.000 -18.542
Traceless
 xyz
x -9.175 0.000 0.000
y 0.000 -9.175 0.000
z 0.000 0.000 18.350
Polar
3z2-r236.700
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 6.121 0.000 0.000
y 0.000 6.121 0.000
z 0.000 0.000 24.164


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000