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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: CCD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-536.208488
Energy at 298.15K-536.208056
HF Energy-535.721633
Nuclear repulsion energy74.305000
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(2df,p)
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 3543 3356 90.60      
2 Σ 2240 2122 17.57      
3 Σ 763 723 7.65      
4 Π 637 603 41.30      
4 Π 637 603 41.30      
5 Π 338 320 1.47      
5 Π 338 320 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 4247.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 4023.6 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(2df,p)
B
0.18862

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.818
C2 0.000 0.000 -0.617
Cl3 0.000 0.000 1.029
H4 0.000 0.000 -2.880

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20152.84731.0614
C21.20151.64582.2629
Cl32.84731.64583.9087
H41.06142.26293.9087

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