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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: PBEPBEultrafine/6-311G*

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 PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-536.658817
Energy at 298.15K-536.658083
HF Energy-536.658817
Nuclear repulsion energy74.090057
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 PBEPBEultrafine/6-311G*
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 3404 3369 80.56      
2 Σ 2143 2120 46.85      
3 Σ 747 739 12.50      
4 Π 529 523 51.89      
4 Π 529 523 51.89      
5 Π 272 269 0.46      
5 Π 272 269 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 3947.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 3906.6 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 PBEPBEultrafine/6-311G*
B
0.18760

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.825
C2 0.000 0.000 -0.614
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.896

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21152.85601.0714
C21.21151.64452.2829
Cl32.85601.64453.9274
H41.07142.28293.9274

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 PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 C -0.092      
3 Cl -0.028      
4 H 0.237      


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 -0.385 0.385
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.024 0.000 0.000
y 0.000 -25.024 0.000
z 0.000 0.000 -17.680
Traceless
 xyz
x -3.672 0.000 0.000
y 0.000 -3.672 0.000
z 0.000 0.000 7.344
Polar
3z2-r214.687
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 2.087 0.000 0.000
y 0.000 2.087 0.000
z 0.000 0.000 7.950


<r2> (average value of r2) Å2
<r2> 62.803
(<r2>)1/2 7.925