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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCSD/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/TZVP
 hartrees
Energy at 0K-498.123082
Energy at 298.15K-498.122947
HF Energy-497.836359
Nuclear repulsion energy38.419281
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/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' 2960 2825 89.44      
2 A' 1241 1184 11.30      
3 A' 816 778 123.96      

Unscaled Zero Point Vibrational Energy (zpe) 2508.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 2394.0 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 CCSD/TZVP
ABC
15.79728 0.59066 0.56937

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.204 0.000
Cl2 0.045 -0.509 0.000
H3 -1.040 1.431 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.71311.1086
Cl21.71312.2230
H31.10862.2230

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 101.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-498.120454
Energy at 298.15K-498.120309
HF Energy-497.862808
Nuclear repulsion energy38.605291
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/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' 1014 968 0.46      
2 A' 879 839 49.47      
3 A' 3243 3095 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 2568.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 2450.9 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/TZVP
ABC
25.40003 0.58198 0.56894

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 -0.840 1.800 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.68461.0816
Cl21.68462.4784
H31.08162.4784

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 125.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability