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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: TPSSh/6-31G(2df,p)

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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2610.322579
Energy at 298.15K-2610.325313
HF Energy-2610.322579
Nuclear repulsion energy70.731074
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 TPSSh/6-31G(2df,p)
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' 2899 2798 58.76      
2 A' 1158 1118 4.18      
3 A' 708 683 53.84      

Unscaled Zero Point Vibrational Energy (zpe) 2382.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2299.4 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 TPSSh/6-31G(2df,p)
ABC
15.39450 0.43026 0.41856

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.536 0.000
Br2 0.026 -0.312 0.000
H3 -1.072 1.720 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.84841.1139
Br21.84842.3103
H31.11392.3103

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 99.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-2610.323944
Energy at 298.15K-2610.326665
HF Energy-2610.323944
Nuclear repulsion energy71.657440
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 TPSSh/6-31G(2df,p)
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' 3197 3085 5.50      
2 A' 913 881 5.07      
3 A' 776 749 20.57      

Unscaled Zero Point Vibrational Energy (zpe) 2443.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2357.9 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 TPSSh/6-31G(2df,p)
ABC
26.14163 0.43347 0.42640

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.486 0.000
Br2 0.021 -0.316 0.000
H3 -0.855 2.131 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.80111.0879
Br21.80112.5984
H31.08792.5984

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability