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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-536.856413
Energy at 298.15K-536.856013
HF Energy-536.856413
Nuclear repulsion energy74.116294
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/cc-pVDZ
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 3502 3379 102.37      
2 Σ 2219 2142 42.32      
3 Σ 772 745 11.53      
4 Π 646 623 40.15      
4 Π 646 623 40.15      
5 Π 345 333 3.08      
5 Π 345 333 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 4236.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 4088.5 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 B3PW91/cc-pVDZ
B
0.18773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.824
C2 0.000 0.000 -0.613
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.896

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21082.85481.0717
C21.21081.64412.2825
Cl32.85481.64413.9265
H41.07172.28253.9265

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/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C -0.008      
3 Cl -0.027      
4 H 0.032      


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 -0.389 0.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.538 0.000 0.000
y 0.000 -24.538 0.000
z 0.000 0.000 -17.429
Traceless
 xyz
x -3.555 0.000 0.000
y 0.000 -3.555 0.000
z 0.000 0.000 7.110
Polar
3z2-r214.219
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 2.067 0.000 0.000
y 0.000 2.067 0.000
z 0.000 0.000 7.565


<r2> (average value of r2) Å2
<r2> 62.514
(<r2>)1/2 7.907