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All results from a given calculation for CH2Br (bromomethyl radical)

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 2A'
1 2 no C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-2611.634711
Energy at 298.15K-2611.638484
HF Energy-2611.360393
Nuclear repulsion energy80.444931
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' 3208 3064 7.03      
2 A' 1435 1370 24.29      
3 A' 719 687 16.46      
4 A' 235 224 69.20      
5 A" 3358 3208 0.01      
6 A" 959 916 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 4956.9 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 4734.3 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/6-311G**
ABC
9.17348 0.37556 0.36106

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 -0.005 1.490 0.000
Br2 -0.005 -0.369 0.000
H3 0.100 1.993 0.950
H4 0.100 1.993 -0.950

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85981.08011.0801
Br21.85982.54842.5484
H31.08012.54841.9007
H41.08012.54841.9007

picture of bromomethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.725 Br2 C1 H4 117.725
H3 C1 H4 123.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-2611.634694
Energy at 298.15K 
HF Energy-2611.360294
Nuclear repulsion energy80.482627
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 A1 3212 3068 6.36      
2 A1 1434 1370 24.87      
3 A1 721 689 15.82      
4 B1 170i 162i 75.49      
5 B2 3365 3214 0.00      
6 B2 956 913 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 4759.8 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 4546.1 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
9.21820 0.37594 0.36121

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.489
Br2 0.000 0.000 0.369
H3 0.000 0.953 -1.997
H4 0.000 -0.953 -1.997

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85831.07951.0795
Br21.85832.55082.5508
H31.07952.55081.9050
H41.07952.55081.9050

picture of bromomethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 118.074 Br2 C1 H4 118.074
H3 C1 H4 123.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability