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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-536.840353
Energy at 298.15K-536.839921
HF Energy-536.840353
Nuclear repulsion energy74.645540
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 B3PW91/6-31G(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 3514 3378 99.09      
2 Σ 2223 2137 31.90      
3 Σ 772 742 9.73      
4 Π 615 591 44.48      
4 Π 615 591 44.48      
5 Π 347 334 1.42      
5 Π 347 334 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 4216.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 4053.7 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 B3PW91/6-31G(2df,p)
B
0.19042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

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 -0.609
Cl3 0.000 0.000 1.023
H4 0.000 0.000 -2.874

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20202.83471.0631
C21.20201.63272.2651
Cl32.83471.63273.8978
H41.06312.26513.8978

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 B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.324      
2 C 0.090      
3 Cl -0.005      
4 H 0.239      


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 -0.473 0.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.233 0.000 0.000
y 0.000 -24.233 0.000
z 0.000 0.000 -17.290
Traceless
 xyz
x -3.472 0.000 0.000
y 0.000 -3.472 0.000
z 0.000 0.000 6.943
Polar
3z2-r213.886
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 2.604 0.000 0.000
y 0.000 2.604 0.000
z 0.000 0.000 7.593


<r2> (average value of r2) Å2
<r2> 61.670
(<r2>)1/2 7.853