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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-535.771358
Energy at 298.15K-535.771216
HF Energy-535.771358
Nuclear repulsion energy75.017704
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 3626 3287 98.29      
2 Σ 2375 2152 36.83      
3 Σ 796 722 8.57      
4 Π 799 724 51.65      
4 Π 799 724 51.65      
5 Π 404 367 7.71      
5 Π 404 367 7.71      

Unscaled Zero Point Vibrational Energy (zpe) 4601.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4171.1 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 HF/Def2TZVPP
B
0.19222

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.793
C2 0.000 0.000 -0.620
Cl3 0.000 0.000 1.019
H4 0.000 0.000 -2.846

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.17302.81241.0528
C21.17301.63952.2258
Cl32.81241.63953.8653
H41.05282.22583.8653

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 HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.045      
2 C -0.194      
3 Cl 0.047      
4 H 0.191      


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 -0.588 0.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.090 0.000 0.000
y 0.000 -25.090 0.000
z 0.000 0.000 -17.648
Traceless
 xyz
x -3.721 0.000 0.000
y 0.000 -3.721 0.000
z 0.000 0.000 7.442
Polar
3z2-r214.885
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 3.088 0.000 0.000
y 0.000 3.088 0.000
z 0.000 0.000 7.595


<r2> (average value of r2) Å2
<r2> 61.618
(<r2>)1/2 7.850