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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-498.073396
Energy at 298.15K-498.073269
HF Energy-497.802367
Nuclear repulsion energy38.623570
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/6-31+G**
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' 3003 2830 81.34      
2 A' 1268 1195 12.03      
3 A' 840 792 139.68      

Unscaled Zero Point Vibrational Energy (zpe) 2555.6 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 2408.1 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/6-31+G**
ABC
16.00240 0.59709 0.57561

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.196 0.000
Cl2 0.045 -0.507 0.000
H3 -1.034 1.439 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70221.1063
Cl21.70222.2250
H31.10632.2250

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-498.072024
Energy at 298.15K-498.071888
HF Energy-497.829510
Nuclear repulsion energy38.767157
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/6-31+G**
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' 3296 3105 6.31      
2 A' 1035 975 0.86      
3 A' 904 852 50.38      

Unscaled Zero Point Vibrational Energy (zpe) 2617.0 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 2466.0 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/6-31+G**
ABC
25.82458 0.58680 0.57376

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.161 0.000
Cl2 0.036 -0.516 0.000
H3 -0.834 1.801 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67661.0802
Cl21.67662.4749
H31.08022.4749

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability