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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-498.054616
Energy at 298.15K-498.054495
HF Energy-497.798981
Nuclear repulsion energy38.789531
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
(Å4/u)
Dep P Dep U
1 A' 3025 2827 93.72      
2 A' 1288 1204 8.42      
3 A' 857 801 121.45      

Unscaled Zero Point Vibrational Energy (zpe) 2585.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2416.0 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 MP2=FULL/6-31G**
ABC
15.99596 0.60273 0.58084

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 -0.504 0.000
H3 -1.034 1.429 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69451.1054
Cl21.69452.2144
H31.10542.2144

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.495
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-498.058590
Energy at 298.15K-498.058460
HF Energy-497.827566
Nuclear repulsion energy38.931464
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
(Å4/u)
Dep P Dep U
1 A' 3329 3111 8.20      
2 A' 1054 985 0.73      
3 A' 920 859 52.61      

Unscaled Zero Point Vibrational Energy (zpe) 2651.3 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2477.4 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/6-31G**
ABC
25.56844 0.59229 0.57888

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 0.036 1.156 0.000
Cl2 0.036 -0.513 0.000
H3 -0.837 1.787 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66961.0775
Cl21.66962.4603
H31.07752.4603

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability