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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-536.749564
Energy at 298.15K-536.748976
HF Energy-536.595491
Nuclear repulsion energy74.151556
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/TZVP
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 3509 3348 95.48      
2 Σ 2178 2078 41.94      
3 Σ 746 712 10.96      
4 Π 589 562 56.36      
4 Π 589 562 56.36      
5 Π 295 282 1.42      
5 Π 295 282 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 4100.4 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 3912.6 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 B2PLYP=FULL/TZVP
B
0.18780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.822
C2 0.000 0.000 -0.619
Cl3 0.000 0.000 1.031
H4 0.000 0.000 -2.882

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.20302.85351.0599
C21.20301.65052.2629
Cl32.85351.65053.9134
H41.05992.26293.9134

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