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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCSD=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=FULL/cc-pVTZ
 hartrees
Energy at 0K-498.255859
Energy at 298.15K-498.255731
HF Energy-497.853814
Nuclear repulsion energy38.814091
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=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' 2975 2820 60.68      
2 A' 1243 1179 8.00      
3 A' 837 794 96.14      

Unscaled Zero Point Vibrational Energy (zpe) 2527.3 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 2396.2 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=FULL/cc-pVTZ
ABC
16.14569 0.60295 0.58125

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

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 -1.029 1.426 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69451.0996
Cl21.69452.2092
H31.09962.2092

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-498.251186
Energy at 298.15K-498.251045
HF Energy-497.878315
Nuclear repulsion energy39.083378
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=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' 990 938 0.87      
2 A' 904 857 42.03      
3 A' 3259 3090 4.94      

Unscaled Zero Point Vibrational Energy (zpe) 2576.4 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 2442.6 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=FULL/cc-pVTZ
ABC
26.52577 0.59624 0.58313

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.151 0.000
Cl2 0.036 -0.512 0.000
H3 -0.823 1.795 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66231.0734
Cl21.66232.4609
H31.07342.4609

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability