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All results from a given calculation for C6H2 (hexatriyne)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-229.619254
Energy at 298.15K-229.617293
HF Energy-229.619254
Nuclear repulsion energy144.263086
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 wB97X-D/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 Σg 3479 3326 0.00      
2 Σg 2391 2286 0.00      
3 Σg 2157 2063 0.00      
4 Σg 631 603 0.00      
5 Σu 3478 3325 246.11      
6 Σu 2265 2165 2.90      
7 Σu 1192 1140 2.82      
8 Πg 673 643 0.00      
8 Πg 673 643 0.00      
9 Πg 561 536 0.00      
9 Πg 561 536 0.00      
10 Πg 266 255 0.00      
10 Πg 266 255 0.00      
11 Πu 675 645 84.53      
11 Πu 675 645 84.53      
12 Πu 484 462 5.33      
12 Πu 484 462 5.33      
13 Πu 102 98 5.09      
13 Πu 102 98 5.09      

Unscaled Zero Point Vibrational Energy (zpe) 10558.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 10093.5 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 wB97X-D/cc-pVTZ
B
0.04450

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.602
C2 0.000 0.000 -0.602
C3 0.000 0.000 1.968
C4 0.000 0.000 -1.968
C5 0.000 0.000 3.166
C6 0.000 0.000 -3.166
H7 0.000 0.000 4.227
H8 0.000 0.000 -4.227

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8
C11.20431.36632.57072.56373.76803.62534.8296
C21.20432.57071.36633.76802.56374.82963.6253
C31.36632.57073.93701.19745.13432.25906.1960
C42.57071.36633.93705.13431.19746.19602.2590
C52.56373.76801.19745.13436.33171.06167.3933
C63.76802.56375.13431.19746.33177.39331.0616
H73.62534.82962.25906.19601.06167.39338.4549
H84.82963.62536.19602.25907.39331.06168.4549

picture of hexatriyne 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 180.000 C4 C6 H8 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.204      
2 C 0.204      
3 C 0.217      
4 C 0.217      
5 C -0.519      
6 C -0.519      
7 H 0.098      
8 H 0.098      


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 -35.404 0.000 0.000
y 0.000 -35.404 0.000
z 0.000 0.000 -15.066
Traceless
 xyz
x -10.169 0.000 0.000
y 0.000 -10.169 0.000
z 0.000 0.000 20.338
Polar
3z2-r240.677
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 4.799 0.000 0.000
y 0.000 4.799 0.000
z 0.000 0.000 24.407


<r2> (average value of r2) Å2
<r2> 225.033
(<r2>)1/2 15.001