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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3PW91/6-311G*

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 B3PW91/6-311G*
 hartrees
Energy at 0K-536.872167
Energy at 298.15K-536.871644
HF Energy-536.872167
Nuclear repulsion energy74.502545
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 B3PW91/6-311G*
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 3349 82.20      
2 Σ 2212 2130 44.91      
3 Σ 766 737 12.68      
4 Π 598 576 51.04      
4 Π 598 576 51.04      
5 Π 318 306 2.66      
5 Π 318 306 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 4144.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 3989.8 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 B3PW91/6-311G*
B
0.18968

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

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 -0.613
Cl3 0.000 0.000 1.026
H4 0.000 0.000 -2.878

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20062.83941.0646
C21.20061.63882.2652
Cl32.83941.63883.9040
H41.06462.26523.9040

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 B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 C -0.103      
3 Cl -0.040      
4 H 0.254      


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 -0.475 0.475
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.932 0.000 0.000
y 0.000 -24.932 0.000
z 0.000 0.000 -17.521
Traceless
 xyz
x -3.706 0.000 0.000
y 0.000 -3.706 0.000
z 0.000 0.000 7.411
Polar
3z2-r214.823
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 2.057 0.000 0.000
y 0.000 2.057 0.000
z 0.000 0.000 7.717


<r2> (average value of r2) Å2
<r2> 62.190
(<r2>)1/2 7.886