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

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-232.234162
Energy at 298.15K 
HF Energy-232.234162
Nuclear repulsion energy170.389493
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 TPSSh/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3015 2919 0.00      
2 A1' 2349 2275 0.00      
3 A1' 1419 1374 0.00      
4 A1' 1292 1251 0.00      
5 A1' 559 541 0.00      
6 A1" 8i 8i 0.00      
7 A2" 3015 2919 68.90      
8 A2" 2250 2179 4.51      
9 A2" 1413 1368 20.43      
10 A2" 952 922 3.05      
11 E' 3074 2976 17.89      
11 E' 3074 2976 17.89      
12 E' 1483 1436 13.78      
12 E' 1483 1436 13.76      
13 E' 1049 1016 1.58      
13 E' 1049 1016 1.57      
14 E' 368 357 4.65      
14 E' 368 357 4.65      
15 E' 100 97 7.46      
15 E' 100 97 7.45      
16 E" 3074 2977 0.00      
16 E" 3074 2977 0.00      
17 E" 1483 1436 0.00      
17 E" 1483 1436 0.00      
18 E" 1043 1010 0.00      
18 E" 1043 1010 0.00      
19 E" 512 495 0.00      
19 E" 512 495 0.00      
20 E" 244 236 0.00      
20 E" 244 236 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20555.9 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 19904.3 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 TPSSh/cc-pVTZ
ABC
2.67231 0.03720 0.03720

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

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 1.893
C4 0.000 0.000 -1.893
C5 0.000 0.000 3.349
C6 0.000 0.000 -3.349
H7 0.000 1.022 3.734
H8 -0.885 -0.511 3.734
H9 0.885 -0.511 3.734
H10 0.000 1.022 -3.734
H11 0.885 -0.511 -3.734
H12 -0.885 -0.511 -3.734

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36701.20992.57682.66584.03273.21723.21723.21724.53424.53424.5342
C21.36702.57681.20994.03272.66584.53424.53424.53423.21723.21723.2172
C31.20992.57683.78671.45595.24262.10542.10542.10545.71945.71945.7194
C42.57681.20993.78675.24261.45595.71945.71945.71942.10542.10542.1054
C52.66584.03271.45595.24266.69851.09231.09231.09237.15667.15667.1566
C64.03272.66585.24261.45596.69857.15667.15667.15661.09231.09231.0923
H73.21724.53422.10545.71941.09237.15661.77071.77077.46797.67507.6750
H83.21724.53422.10545.71941.09237.15661.77071.77077.67507.67507.4679
H93.21724.53422.10545.71941.09237.15661.77071.77077.67507.46797.6750
H104.53423.21725.71942.10547.15661.09237.46797.67507.67501.77071.7707
H114.53423.21725.71942.10547.15661.09237.67507.67507.46791.77071.7707
H124.53423.21725.71942.10547.15661.09237.67507.46797.67501.77071.7707

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 110.622 C3 C5 H8 110.622
C3 C5 H9 110.622 C4 C6 H10 110.622
C4 C6 H11 110.622 C4 C6 H12 110.622
H7 C5 H8 108.296 H7 C5 H9 108.296
H8 C5 H9 108.296 H10 C6 H11 108.296
H10 C6 H12 108.296 H11 C6 H12 108.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.382      
2 C 0.382      
3 C -0.438      
4 C -0.438      
5 C -0.245      
6 C -0.245      
7 H 0.100      
8 H 0.100      
9 H 0.100      
10 H 0.100      
11 H 0.100      
12 H 0.100      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.492 0.000 0.000
y 0.000 6.492 0.000
z 0.000 0.000 22.204


<r2> (average value of r2) Å2
<r2> 291.972
(<r2>)1/2 17.087