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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: TPSSh/aug-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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-536.990154
Energy at 298.15K-536.989739
HF Energy-536.990154
Nuclear repulsion energy74.542682
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/aug-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 3476 3355 96.31      
2 Σ 2185 2109 49.61      
3 Σ 758 732 10.39      
4 Π 631 609 47.26      
4 Π 631 609 47.26      
5 Π 346 334 4.00      
5 Π 346 334 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 4185.5 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 4039.8 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 TPSSh/aug-cc-pVTZ
B
0.18987

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.813
C2 0.000 0.000 -0.612
Cl3 0.000 0.000 1.025
H4 0.000 0.000 -2.875

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20112.83841.0622
C21.20111.63732.2633
Cl32.83841.63733.9006
H41.06222.26333.9006

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/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.715      
2 C 0.443      
3 Cl -0.107      
4 H 0.379      


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 -0.605 0.605
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 4.037 0.000 0.000
y 0.000 4.037 0.000
z 0.000 0.000 8.565


<r2> (average value of r2) Å2
<r2> 62.180
(<r2>)1/2 7.885