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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: TPSSh/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 TPSSh/6-31G
 hartrees
Energy at 0K-536.877682
Energy at 298.15K-536.877264
HF Energy-536.877682
Nuclear repulsion energy72.440136
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 TPSSh/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 3521 3388 81.98      
2 Σ 2208 2125 25.13      
3 Σ 699 672 6.78      
4 Π 696 669 50.74      
4 Π 696 669 50.74      
5 Π 333 320 4.35      
5 Π 333 320 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 4242.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 4081.8 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 TPSSh/6-31G
B
0.17895

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.861
C2 0.000 0.000 -0.650
Cl3 0.000 0.000 1.059
H4 0.000 0.000 -2.925

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21122.92001.0637
C21.21121.70882.2749
Cl32.92001.70883.9837
H41.06372.27493.9837

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 TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.411      
2 C -0.185      
3 Cl 0.336      
4 H 0.260      


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 -1.249 1.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.529 0.000 0.000
y 0.000 1.529 0.000
z 0.000 0.000 7.218


<r2> (average value of r2) Å2
<r2> 64.840
(<r2>)1/2 8.052