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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP2=FULL/6-311G*

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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-498.148045
Energy at 298.15K-498.147925
HF Energy-497.831589
Nuclear repulsion energy38.820352
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 MP2=FULL/6-311G*
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' 2999 2840 80.04      
2 A' 1289 1220 5.66      
3 A' 859 814 120.41      

Unscaled Zero Point Vibrational Energy (zpe) 2573.2 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2437.1 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 MP2=FULL/6-311G*
ABC
16.01371 0.60386 0.58191

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.188 0.000
Cl2 0.045 -0.504 0.000
H3 -1.034 1.436 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69201.1073
Cl21.69202.2202
H31.10732.2202

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-498.149437
Energy at 298.15K-498.149302
HF Energy-497.857206
Nuclear repulsion energy38.885016
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 MP2=FULL/6-311G*
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' 3264 3091 7.31      
2 A' 1039 984 1.26      
3 A' 909 861 54.78      

Unscaled Zero Point Vibrational Energy (zpe) 2606.0 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 2468.1 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 MP2=FULL/6-311G*
ABC
25.23028 0.59126 0.57772

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.157 0.000
Cl2 0.037 -0.514 0.000
H3 -0.843 1.788 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67111.0821
Cl21.67112.4636
H31.08212.4636

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability