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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-497.884404
Energy at 298.15K-497.884192
HF Energy-497.748599
Nuclear repulsion energy35.756894
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
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2807 2694 115.79      
2 A' 1217 1167 7.96      
3 A' 643 617 123.40      

Unscaled Zero Point Vibrational Energy (zpe) 2333.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 2238.8 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
ABC
15.08237 0.50601 0.48959

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.304 0.000
Cl2 0.046 -0.550 0.000
H3 -1.062 1.521 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.85381.1297
Cl21.85382.3489
H31.12972.3489

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-497.895828
Energy at 298.15K-497.895638
HF Energy-497.785295
Nuclear repulsion energy36.632698
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
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3211 3081 4.22      
2 A' 990 950 1.18      
3 A' 758 727 36.55      

Unscaled Zero Point Vibrational Energy (zpe) 2479.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 2378.9 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 CCD/6-31G
ABC
24.04744 0.52116 0.51010

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.239 0.000
Cl2 0.037 -0.547 0.000
H3 -0.861 1.859 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.78611.0912
Cl21.78612.5681
H31.09122.5681

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 124.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability