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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: wB97X-D/3-21G*

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 wB97X-D/3-21G*
 hartrees
Energy at 0K-534.359726
Energy at 298.15K-534.359525
HF Energy-534.359726
Nuclear repulsion energy74.355484
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 wB97X-D/3-21G*
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 3509 3325 95.97      
2 Σ 2263 2145 20.71      
3 Σ 748 709 7.56      
4 Π 780 739 50.27      
4 Π 780 739 50.27      
5 Π 393 373 9.28      
5 Π 393 373 9.28      

Unscaled Zero Point Vibrational Energy (zpe) 4433.0 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 4201.6 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 wB97X-D/3-21G*
B
0.18888

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.817
C2 0.000 0.000 -0.617
Cl3 0.000 0.000 1.028
H4 0.000 0.000 -2.878

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19952.84501.0617
C21.19951.64552.2613
Cl32.84501.64553.9067
H41.06172.26133.9067

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 wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.353      
2 C -0.152      
3 Cl 0.205      
4 H 0.300      


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 -0.712 0.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.809 0.000 0.000
y 0.000 -24.809 0.000
z 0.000 0.000 -17.316
Traceless
 xyz
x -3.746 0.000 0.000
y 0.000 -3.746 0.000
z 0.000 0.000 7.493
Polar
3z2-r214.985
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 1.557 0.000 0.000
y 0.000 1.557 0.000
z 0.000 0.000 6.954


<r2> (average value of r2) Å2
<r2> 62.282
(<r2>)1/2 7.892