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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-536.987111
Energy at 298.15K-536.986718
HF Energy-536.987111
Nuclear repulsion energy74.472608
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/cc-pVTZ
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 3479 3363 97.86      
2 Σ 2201 2127 43.10      
3 Σ 752 727 10.06      
4 Π 644 622 48.36      
4 Π 644 622 48.36      
5 Π 351 339 3.99      
5 Π 351 339 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 4210.2 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 4069.6 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 B3LYP/cc-pVTZ
B
0.18948

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.814
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.027
H4 0.000 0.000 -2.874

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19772.84041.0605
C21.19771.64272.2583
Cl32.84041.64273.9009
H41.06052.25833.9009

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/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 C -0.075      
3 Cl 0.044      
4 H 0.159      


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 -0.360 0.360
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.835 0.000 0.000
y 0.000 -24.835 0.000
z 0.000 0.000 -17.986
Traceless
 xyz
x -3.425 0.000 0.000
y 0.000 -3.425 0.000
z 0.000 0.000 6.849
Polar
3z2-r213.698
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 3.005 0.000 0.000
y 0.000 3.005 0.000
z 0.000 0.000 8.022


<r2> (average value of r2) Å2
<r2> 62.281
(<r2>)1/2 7.892