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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-536.062477
Energy at 298.15K-536.061959
HF Energy-535.707005
Nuclear repulsion energy74.288406
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 CID/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 3577 3304 80.31      
2 Σ 2307 2131 20.74      
3 Σ 779 720 8.28      
4 Π 627 579 48.88      
4 Π 627 579 48.88      
5 Π 309 285 0.33      
5 Π 309 285 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 4267.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 3941.5 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 CID/6-31G*
B
0.18854

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.817
C2 0.000 0.000 -0.619
Cl3 0.000 0.000 1.029
H4 0.000 0.000 -2.881

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.19832.84691.0631
C21.19831.64862.2614
Cl32.84691.64863.9100
H41.06312.26143.9100

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