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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: BLYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-536.870459
Energy at 298.15K-536.869673
HF Energy-536.870459
Nuclear repulsion energy73.522800
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/6-31G**
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 3421 3394 86.51      
2 Σ 2144 2128 34.94      
3 Σ 724 719 10.24      
4 Π 528 524 41.29      
4 Π 528 524 41.29      
5 Π 257 255 0.12      
5 Π 257 255 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 3929.2 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 3899.0 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/6-31G**
B
0.18466

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.839
C2 0.000 0.000 -0.622
Cl3 0.000 0.000 1.040
H4 0.000 0.000 -2.909

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21682.87851.0707
C21.21681.66162.2875
Cl32.87851.66163.9491
H41.07072.28753.9491

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/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.215      
2 C -0.004      
3 Cl 0.093      
4 H 0.127      


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 -0.437 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.321 0.000 0.000
y 0.000 -24.321 0.000
z 0.000 0.000 -17.683
Traceless
 xyz
x -3.319 0.000 0.000
y 0.000 -3.319 0.000
z 0.000 0.000 6.638
Polar
3z2-r213.277
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 1.945 0.000 0.000
y 0.000 1.945 0.000
z 0.000 0.000 7.542


<r2> (average value of r2) Å2
<r2> 63.257
(<r2>)1/2 7.953