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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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 CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-498.273371
Energy at 298.15K-498.273239
HF Energy-497.853778
Nuclear repulsion energy38.716966
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 CCSD(T)=FULL/cc-pVTZ
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' 2940 2817        
2 A' 1229 1177        
3 A' 826 792        

Unscaled Zero Point Vibrational Energy (zpe) 2497.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 2392.8 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 CCSD(T)=FULL/cc-pVTZ
ABC
16.02115 0.60005 0.57839

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.194 0.000
Cl2 0.045 -0.505 0.000
H3 -1.033 1.426 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69901.1025
Cl21.69902.2114
H31.10252.2114

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-498.265444
Energy at 298.15K-498.265299
HF Energy-497.878334
Nuclear repulsion energy39.041727
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 CCSD(T)=FULL/cc-pVTZ
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' 982 941        
2 A' 897 859        
3 A' 3230 3095        

Unscaled Zero Point Vibrational Energy (zpe) 2554.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 2447.2 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 CCSD(T)=FULL/cc-pVTZ
ABC
26.31224 0.59516 0.58200

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.152 0.000
Cl2 0.036 -0.512 0.000
H3 -0.826 1.795 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66401.0758
Cl21.66402.4631
H31.07582.4631

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability