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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: HSEh1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-536.632940
Energy at 298.15K-536.632597
HF Energy-536.632940
Nuclear repulsion energy72.731173
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 HSEh1PBE/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 Σ 3537 3384 90.55      
2 Σ 2243 2146 22.30      
3 Σ 714 683 6.46      
4 Π 730 698 51.19      
4 Π 730 698 51.19      
5 Π 350 335 5.71      
5 Π 350 335 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 4326.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 4138.6 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 HSEh1PBE/6-31G
B
0.18044

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.854
C2 0.000 0.000 -0.646
Cl3 0.000 0.000 1.054
H4 0.000 0.000 -2.918

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20742.90781.0640
C21.20741.70042.2714
Cl32.90781.70043.9718
H41.06402.27143.9718

picture of Chloroacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 180.000 C2 C1 H4 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.422      
2 C -0.199      
3 Cl 0.352      
4 H 0.268      


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 -0.904 0.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.607 0.000 0.000
y 0.000 -24.607 0.000
z 0.000 0.000 -17.715
Traceless
 xyz
x -3.446 0.000 0.000
y 0.000 -3.446 0.000
z 0.000 0.000 6.892
Polar
3z2-r213.784
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 1.525 0.000 0.000
y 0.000 1.525 0.000
z 0.000 0.000 7.106


<r2> (average value of r2) Å2
<r2> 64.459
(<r2>)1/2 8.029