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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-535.722815
Energy at 298.15K-535.722670
HF Energy-535.722815
Nuclear repulsion energy74.920614
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/6-31G(2df,p)
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 3652 3307 95.36      
2 Σ 2401 2174 22.06      
3 Σ 798 722 7.79      
4 Π 796 721 43.58      
4 Π 796 721 43.58      
5 Π 404 366 4.54      
5 Π 404 366 4.54      

Unscaled Zero Point Vibrational Energy (zpe) 4625.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 4188.5 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/6-31G(2df,p)
B
0.19172

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.799
C2 0.000 0.000 -0.620
Cl3 0.000 0.000 1.022
H4 0.000 0.000 -2.854

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.17902.82091.0544
C21.17901.64192.2334
Cl32.82091.64193.8753
H41.05442.23343.8753

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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.008      
3 Cl -0.001      
4 H 0.264      


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 -0.736 0.736
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.685 0.000 0.000
y 0.000 -24.685 0.000
z 0.000 0.000 -17.276
Traceless
 xyz
x -3.704 0.000 0.000
y 0.000 -3.704 0.000
z 0.000 0.000 7.409
Polar
3z2-r214.818
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 2.576 0.000 0.000
y 0.000 2.576 0.000
z 0.000 0.000 7.155


<r2> (average value of r2) Å2
<r2> 61.495
(<r2>)1/2 7.842