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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYP/SDD

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 B3LYP/SDD
 hartrees
Energy at 0K-536.874204
Energy at 298.15K-536.873746
HF Energy-536.874204
Nuclear repulsion energy72.290540
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 B3LYP/SDD
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 3496 3361 89.66      
2 Σ 2183 2098 32.13      
3 Σ 681 655 7.33      
4 Π 681 654 65.71      
4 Π 681 654 65.71      
5 Π 327 314 5.98      
5 Π 327 314 5.98      

Unscaled Zero Point Vibrational Energy (zpe) 4187.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 4025.3 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 B3LYP/SDD
B
0.17826

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.867
C2 0.000 0.000 -0.648
Cl3 0.000 0.000 1.060
H4 0.000 0.000 -2.934

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21842.92681.0670
C21.21841.70832.2855
Cl32.92681.70833.9938
H41.06702.28553.9938

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 B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.218      
2 C -0.137      
3 Cl 0.075      
4 H 0.280      


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 -0.688 0.688
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.893 0.000 0.000
y 0.000 -24.893 0.000
z 0.000 0.000 -17.874
Traceless
 xyz
x -3.510 0.000 0.000
y 0.000 -3.510 0.000
z 0.000 0.000 7.020
Polar
3z2-r214.039
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 1.563 0.000 0.000
y 0.000 1.563 0.000
z 0.000 0.000 7.218


<r2> (average value of r2) Å2
<r2> 65.226
(<r2>)1/2 8.076