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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCSD(T)=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-498.176931
Energy at 298.15K-498.176791
HF Energy-497.836310
Nuclear repulsion energy38.329916
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/TZVP
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' 2928 2799        
2 A' 1227 1173        
3 A' 805 769        

Unscaled Zero Point Vibrational Energy (zpe) 2479.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 2370.7 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/TZVP
ABC
15.72165 0.58791 0.56671

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.207 0.000
Cl2 0.045 -0.510 0.000
H3 -1.042 1.432 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.71731.1106
Cl21.71732.2262
H31.11062.2262

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-498.171561
Energy at 298.15K-498.171414
HF Energy-497.862802
Nuclear repulsion energy38.598489
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/TZVP
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' 1005 961        
2 A' 875 836        
3 A' 3224 3082        

Unscaled Zero Point Vibrational Energy (zpe) 2552.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 2439.7 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/TZVP
ABC
25.32179 0.58185 0.56878

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.037 1.167 0.000
Cl2 0.037 -0.518 0.000
H3 -0.841 1.800 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68491.0823
Cl21.68492.4785
H31.08232.4785

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.789
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability