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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-536.695156
Energy at 298.15K-536.694663
HF Energy-536.695156
Nuclear repulsion energy74.603796
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 PBE1PBE/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 3493 3348 85.02      
2 Σ 2228 2136 43.65      
3 Σ 775 743 12.68      
4 Π 607 582 50.83      
4 Π 607 582 50.83      
5 Π 325 311 2.80      
5 Π 325 311 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 4180.1 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 4006.7 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 PBE1PBE/6-311G*
B
0.19021

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.811
C2 0.000 0.000 -0.611
Cl3 0.000 0.000 1.024
H4 0.000 0.000 -2.876

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19972.83551.0647
C21.19971.63572.2644
Cl32.83551.63573.9002
H41.06472.26443.9002

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 PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 C -0.108      
3 Cl -0.045      
4 H 0.257      


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 -0.497 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.978 0.000 0.000
y 0.000 -24.978 0.000
z 0.000 0.000 -17.529
Traceless
 xyz
x -3.725 0.000 0.000
y 0.000 -3.725 0.000
z 0.000 0.000 7.449
Polar
3z2-r214.898
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 2.054 0.000 0.000
y 0.000 2.054 0.000
z 0.000 0.000 7.669


<r2> (average value of r2) Å2
<r2> 62.082
(<r2>)1/2 7.879