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All results from a given calculation for HCCCl (Chloroacetylene)

using model chemistry: CCSD=FULL/cc-pVDZ

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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-536.154918
Energy at 298.15K-536.154460
HF Energy-535.733518
Nuclear repulsion energy73.470689
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 CCSD=FULL/cc-pVDZ
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 3497 3497 82.45      
2 Σ 2198 2198 24.46      
3 Σ 758 758 8.44      
4 Π 634 634 38.67      
4 Π 634 634 38.67      
5 Π 327 327 1.90      
5 Π 327 327 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 4187.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4187.3 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 CCSD=FULL/cc-pVDZ
B
0.18443

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.840
C2 0.000 0.000 -0.621
Cl3 0.000 0.000 1.040
H4 0.000 0.000 -2.916

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4
C11.21942.88031.0754
C21.21941.66092.2948
Cl32.88031.66093.9557
H41.07542.29483.9557

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