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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCD/6-31G**

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 CCD/6-31G**
 hartrees
Energy at 0K-498.067909
Energy at 298.15K-498.067782
HF Energy-497.799036
Nuclear repulsion energy38.531155
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 CCD/6-31G**
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' 2986 2800 99.60      
2 A' 1282 1202 6.78      
3 A' 838 786 126.74      

Unscaled Zero Point Vibrational Energy (zpe) 2553.2 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 2393.9 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 CCD/6-31G**
ABC
15.89197 0.59428 0.57286

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.199 0.000
Cl2 0.045 -0.508 0.000
H3 -1.037 1.438 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.70671.1086
Cl21.70672.2264
H31.10862.2264

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-498.067941
Energy at 298.15K-498.067805
HF Energy-497.827660
Nuclear repulsion energy38.748087
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 CCD/6-31G**
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' 3302 3096 7.21      
2 A' 1040 975 0.69      
3 A' 906 849 45.80      

Unscaled Zero Point Vibrational Energy (zpe) 2624.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 2460.3 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 CCD/6-31G**
ABC
25.63574 0.58633 0.57322

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.162 0.000
Cl2 0.036 -0.516 0.000
H3 -0.836 1.798 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.67791.0798
Cl21.67792.4727
H31.07982.4727

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability