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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-536.662032
Energy at 298.15K-536.661413
HF Energy-536.662032
Nuclear repulsion energy74.108964
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 PBEPBE/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 3422 3391 95.84      
2 Σ 2143 2124 48.04      
3 Σ 748 741 12.47      
4 Π 569 564 47.38      
4 Π 569 564 47.38      
5 Π 293 290 1.95      
5 Π 293 290 1.95      

Unscaled Zero Point Vibrational Energy (zpe) 4017.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3981.4 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 PBEPBE/6-311G**
B
0.18768

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/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 -2.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21122.85551.0695
C21.21121.64432.2807
Cl32.85551.64433.9251
H41.06952.28073.9251

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 PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.002      
2 C -0.094      
3 Cl -0.026      
4 H 0.118      


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 -0.360 0.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.985 0.000 0.000
y 0.000 -24.985 0.000
z 0.000 0.000 -17.841
Traceless
 xyz
x -3.572 0.000 0.000
y 0.000 -3.572 0.000
z 0.000 0.000 7.144
Polar
3z2-r214.287
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 2.101 0.000 0.000
y 0.000 2.101 0.000
z 0.000 0.000 7.990


<r2> (average value of r2) Å2
<r2> 62.795
(<r2>)1/2 7.924