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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-498.046006
Energy at 298.15K-498.045884
HF Energy-497.797079
Nuclear repulsion energy38.745981
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/6-31G*
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' 3003 2829 89.48      
2 A' 1300 1225 7.96      
3 A' 856 807 122.17      

Unscaled Zero Point Vibrational Energy (zpe) 2579.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 2430.5 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/6-31G*
ABC
15.95745 0.60152 0.57967

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.190 0.000
Cl2 0.045 -0.505 0.000
H3 -1.036 1.439 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69531.1092
Cl21.69532.2242
H31.10922.2242

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-498.050461
Energy at 298.15K-498.050328
HF Energy-497.825458
Nuclear repulsion energy38.888864
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/6-31G*
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' 3303 3112 8.58      
2 A' 1053 992 0.71      
3 A' 918 865 53.28      

Unscaled Zero Point Vibrational Energy (zpe) 2636.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 2484.1 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/6-31G*
ABC
25.31304 0.59131 0.57781

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

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 -0.842 1.789 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67081.0822
Cl21.67082.4647
H31.08222.4647

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability