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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: LSDA/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 LSDA/6-31G
 hartrees
Energy at 0K-535.253034
Energy at 298.15K-535.252532
HF Energy-535.253034
Nuclear repulsion energy72.787428
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 LSDA/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 3441 3371 103.61      
2 Σ 2194 2150 27.62      
3 Σ 714 700 8.82      
4 Π 642 629 54.56      
4 Π 642 629 54.56      
5 Π 316 310 2.83      
5 Π 316 310 2.83      

Unscaled Zero Point Vibrational Energy (zpe) 4132.4 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 4048.5 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 LSDA/6-31G
B
0.18087

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.853
C2 0.000 0.000 -0.639
Cl3 0.000 0.000 1.052
H4 0.000 0.000 -2.927

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21392.90541.0741
C21.21391.69142.2881
Cl32.90541.69143.9795
H41.07412.28813.9795

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 LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C -0.192      
3 Cl 0.338      
4 H 0.249      


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 -0.748 0.748
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.537 0.000 0.000
y 0.000 -24.537 0.000
z 0.000 0.000 -17.749
Traceless
 xyz
x -3.394 0.000 0.000
y 0.000 -3.394 0.000
z 0.000 0.000 6.788
Polar
3z2-r213.577
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 1.553 0.000 0.000
y 0.000 1.553 0.000
z 0.000 0.000 7.299


<r2> (average value of r2) Å2
<r2> 64.359
(<r2>)1/2 8.022