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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-536.114390
Energy at 298.15K-536.113587
HF Energy-535.707217
Nuclear repulsion energy74.058666
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 MP2=FULL/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 3556 3323 83.78      
2 Σ 2158 2017 24.62      
3 Σ 768 717 9.41      
4 Π 550 514 43.70      
4 Π 550 514 43.70      
5 Π 233 218 0.24      
5 Π 233 218 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 4023.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3759.8 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 MP2=FULL/6-31G**
B
0.18735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.829
C2 0.000 0.000 -0.612
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.889

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21652.85991.0607
C21.21651.64352.2771
Cl32.85991.64353.9206
H41.06072.27713.9206

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