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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-536.745764
Energy at 298.15K-536.745118
HF Energy-536.585518
Nuclear repulsion energy74.219586
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 3491 3491 80.03      
2 Σ 2171 2171 35.15      
3 Σ 756 756 11.00      
4 Π 570 570 51.46      
4 Π 570 570 51.46      
5 Π 283 283 0.80      
5 Π 283 283 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 4061.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4061.9 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/6-311G*
B
0.18819

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.821
C2 0.000 0.000 -0.616
Cl3 0.000 0.000 1.030
H4 0.000 0.000 -2.884

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20532.85111.0626
C21.20531.64582.2679
Cl32.85111.64583.9137
H41.06262.26793.9137

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