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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: TPSSh/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 TPSSh/cc-pVDZ
 hartrees
Energy at 0K-536.947956
Energy at 298.15K-536.947507
HF Energy-536.947956
Nuclear repulsion energy73.990216
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 TPSSh/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 3498 3401 95.88      
2 Σ 2200 2140 43.80      
3 Σ 762 741 11.55      
4 Π 631 614 40.26      
4 Π 631 614 40.26      
5 Π 332 322 2.24      
5 Π 332 322 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 4192.8 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 4077.1 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 TPSSh/cc-pVDZ
B
0.18708

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.828
C2 0.000 0.000 -0.615
Cl3 0.000 0.000 1.033
H4 0.000 0.000 -2.899

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21282.86011.0710
C21.21281.64732.2838
Cl32.86011.64733.9310
H41.07102.28383.9310

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 TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 C 0.001      
3 Cl -0.043      
4 H 0.025      


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 -0.691 0.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.065 0.000 0.000
y 0.000 2.065 0.000
z 0.000 0.000 7.617


<r2> (average value of r2) Å2
<r2> 62.679
(<r2>)1/2 7.917