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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-536.675756
Energy at 298.15K-536.675072
HF Energy-536.541129
Nuclear repulsion energy74.040851
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 B2PLYP=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 3524 3342 83.21      
2 Σ 2193 2080 27.17      
3 Σ 758 718 9.54      
4 Π 565 535 45.70      
4 Π 565 535 45.70      
5 Π 275 261 0.00      
5 Π 275 261 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4076.9 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 3866.5 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 B2PLYP=FULL/6-31G*
B
0.18728

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.826
C2 0.000 0.000 -0.617
Cl3 0.000 0.000 1.032
H4 0.000 0.000 -2.890

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20952.85841.0643
C21.20951.64892.2737
Cl32.85841.64893.9227
H41.06432.27373.9227

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