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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: MP4/cc-pVDZ

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 MP4/cc-pVDZ
 hartrees
Energy at 0K-498.111923
Energy at 298.15K-498.111786
HF Energy-497.826672
Nuclear repulsion energy38.144076
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 MP4/cc-pVDZ
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' 2900 2804        
2 A' 1230 1189        
3 A' 816 789        

Unscaled Zero Point Vibrational Energy (zpe) 2473.1 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 2391.2 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 MP4/cc-pVDZ
ABC
15.13237 0.58382 0.56214

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.046 1.212 0.000
Cl2 0.046 -0.512 0.000
H3 -1.062 1.430 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.72401.1292
Cl21.72402.2356
H31.12922.2356

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-498.105483
Energy at 298.15K-498.105338
HF Energy-497.851412
Nuclear repulsion energy38.448662
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 MP4/cc-pVDZ
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' 3216 3110        
2 A' 997 964        
3 A' 888 859        

Unscaled Zero Point Vibrational Energy (zpe) 2550.7 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 2466.3 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 MP4/cc-pVDZ
ABC
24.61504 0.57827 0.56500

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.170 0.000
Cl2 0.037 -0.519 0.000
H3 -0.854 1.812 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68911.0986
Cl21.68912.4963
H31.09862.4963

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability