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All results from a given calculation for HCCl (Chloromethylene)

using model chemistry: CCD/aug-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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-498.215761
Energy at 298.15K-498.215630
HF Energy-497.855044
Nuclear repulsion energy38.728039
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/aug-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' 2961 2834 49.31      
2 A' 1242 1188 7.22      
3 A' 828 792 106.63      

Unscaled Zero Point Vibrational Energy (zpe) 2515.1 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2407.0 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 CCD/aug-cc-pVTZ
ABC
15.95082 0.60077 0.57897

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.045 1.192 0.000
Cl2 0.045 -0.505 0.000
H3 -1.036 1.430 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.69741.1064
Cl21.69742.2164
H31.10642.2164

picture of Chloromethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 102.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-498.208895
Energy at 298.15K-498.208750
HF Energy-497.879264
Nuclear repulsion energy38.937254
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/aug-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' 3234 3095 5.46      
2 A' 991 949 0.59      
3 A' 891 853 43.12      

Unscaled Zero Point Vibrational Energy (zpe) 2558.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 2448.5 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/aug-cc-pVTZ
ABC
25.97781 0.59220 0.57900

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.036 1.155 0.000
Cl2 0.036 -0.513 0.000
H3 -0.832 1.798 0.000

Atom - Atom Distances (Å)
  C1 Cl2 H3
C11.66831.0801
Cl21.66832.4690
H31.08012.4690

picture of Chloromethylene state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 126.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability