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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: CCD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-2610.962925
Energy at 298.15K-2610.965653
HF Energy-2610.695443
Nuclear repulsion energy70.266185
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/6-311G**
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' 2969 2836 68.17      
2 A' 1169 1117 3.47      
3 A' 689 658 90.62      

Unscaled Zero Point Vibrational Energy (zpe) 2413.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 2305.2 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/6-311G**
ABC
15.57360 0.42400 0.41276

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.550 0.000
Br2 0.026 -0.316 0.000
H3 -1.065 1.767 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86661.1120
Br21.86662.3515
H31.11202.3515

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 101.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (3A")

Jump to S1C1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-2610.962277
Energy at 298.15K-2610.965000
HF Energy-2610.723877
Nuclear repulsion energy70.709045
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/6-311G**
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 3088 4.58      
2 A' 961 918 2.18      
3 A' 747 714 24.27      

Unscaled Zero Point Vibrational Energy (zpe) 2470.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 2359.7 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 CCD/6-311G**
ABC
25.67939 0.42185 0.41503

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.509 0.000
Br2 0.021 -0.320 0.000
H3 -0.848 2.160 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.82961.0858
Br21.82962.6286
H31.08582.6286

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