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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: MP2/6-311G**

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 MP2/6-311G**
 hartrees
Energy at 0K-536.154590
Energy at 298.15K-536.153812
HF Energy-535.747686
Nuclear repulsion energy74.099085
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 MP2/6-311G**
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 3516 3341 88.28      
2 Σ 2123 2017 32.53      
3 Σ 768 730 10.65      
4 Π 570 542 46.08      
4 Π 570 542 46.08      
5 Π 229 217 0.18      
5 Π 229 217 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 4002.1 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 3802.8 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 MP2/6-311G**
B
0.18758

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.827
C2 0.000 0.000 -0.611
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.891

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21582.85791.0635
C21.21581.64212.2793
Cl32.85791.64213.9214
H41.06352.27933.9214

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