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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: BLYP/STO-3G

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 BLYP/STO-3G
 hartrees
Energy at 0K-530.853009
Energy at 298.15K-530.852282
HF Energy-530.853009
Nuclear repulsion energy71.496718
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 BLYP/STO-3G
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 3579 3311 172.85      
2 Σ 2296 2124 1.48      
3 Σ 717 663 6.17      
4 Π 649 601 17.38      
4 Π 649 601 17.38      
5 Π 291 269 0.03      
5 Π 291 269 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4236.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3919.2 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 BLYP/STO-3G
B
0.17434

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.882
C2 0.000 0.000 -0.664
Cl3 0.000 0.000 1.073
H4 0.000 0.000 -2.970

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21752.95511.0882
C21.21751.73752.3057
Cl32.95511.73754.0433
H41.08822.30574.0433

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 BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 C -0.033      
3 Cl 0.005      
4 H 0.129      


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 -0.982 0.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.541 0.000 0.000
y 0.000 -22.541 0.000
z 0.000 0.000 -17.775
Traceless
 xyz
x -2.383 0.000 0.000
y 0.000 -2.383 0.000
z 0.000 0.000 4.766
Polar
3z2-r29.531
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 0.400 0.000 0.000
y 0.000 0.400 0.000
z 0.000 0.000 4.773


<r2> (average value of r2) Å2
<r2> 65.384
(<r2>)1/2 8.086