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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: CCD/6-31G

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 CCD/6-31G
 hartrees
Energy at 0K-535.892984
Energy at 298.15K-535.892412
HF Energy-535.649102
Nuclear repulsion energy71.317246
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 CCD/6-31G
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 3455 3315 51.63      
2 Σ 2169 2082 5.85      
3 Σ 660 633 2.03      
4 Π 649 623 43.78      
4 Π 649 623 43.78      
5 Π 294 282 3.30      
5 Π 294 282 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 4085.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 3919.9 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 CCD/6-31G
B
0.17329

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.889
C2 0.000 0.000 -0.668
Cl3 0.000 0.000 1.077
H4 0.000 0.000 -2.961

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.22022.96541.0721
C21.22021.74522.2923
Cl32.96541.74524.0375
H41.07212.29234.0375

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