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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-498.061257
Energy at 298.15K-498.061136
HF Energy-497.802289
Nuclear repulsion energy38.898489
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/6-31+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' 3041 2856 73.92      
2 A' 1271 1194 14.07      
3 A' 861 809 134.08      

Unscaled Zero Point Vibrational Energy (zpe) 2586.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 2429.4 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/6-31+G**
ABC
16.11671 0.60610 0.58414

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.186 0.000
Cl2 0.045 -0.503 0.000
H3 -1.031 1.431 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68911.1031
Cl21.68912.2132
H31.10312.2132

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-498.063387
Energy at 298.15K-498.063256
HF Energy-497.829407
Nuclear repulsion energy38.954655
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/6-31+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' 3323 3121 7.64      
2 A' 1048 984 0.88      
3 A' 917 862 57.84      

Unscaled Zero Point Vibrational Energy (zpe) 2643.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 2483.1 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/6-31+G**
ABC
25.78423 0.59286 0.57953

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.155 0.000
Cl2 0.036 -0.513 0.000
H3 -0.834 1.791 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66821.0779
Cl21.66822.4627
H31.07792.4627

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability