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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-536.623704
Energy at 298.15K-536.623095
HF Energy-536.623704
Nuclear repulsion energy74.250871
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/6-31G(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 3444 3409 96.97      
2 Σ 2154 2132 33.17      
3 Σ 755 748 9.65      
4 Π 543 538 43.87      
4 Π 543 538 43.87      
5 Π 312 309 0.11      
5 Π 312 309 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4031.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 3990.4 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/6-31G(2df,p)
B
0.18842

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.822
C2 0.000 0.000 -0.609
Cl3 0.000 0.000 1.028
H4 0.000 0.000 -2.892

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21332.85081.0696
C21.21331.63752.2829
Cl32.85081.63753.9204
H41.06962.28293.9204

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/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.308      
2 C 0.106      
3 Cl -0.009      
4 H 0.211      


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 -0.386 0.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.256 0.000 0.000
y 0.000 -24.256 0.000
z 0.000 0.000 -17.466
Traceless
 xyz
x -3.395 0.000 0.000
y 0.000 -3.395 0.000
z 0.000 0.000 6.790
Polar
3z2-r213.579
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 2.624 0.000 0.000
y 0.000 2.624 0.000
z 0.000 0.000 7.797


<r2> (average value of r2) Å2
<r2> 62.233
(<r2>)1/2 7.889