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

using model chemistry: QCISD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-2611.659348
Energy at 298.15K 
HF Energy-2611.367657
Nuclear repulsion energy80.129470
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 QCISD(T)=FULL/cc-pVDZ
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 3189 3058        
2 A1 1387 1330        
3 A1 710 681        
4 B1 228i 219i        
5 B2 3344 3207        
6 B2 918 880        

Unscaled Zero Point Vibrational Energy (zpe) 4659.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 4468.7 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 QCISD(T)=FULL/cc-pVDZ
ABC
9.00748 0.37319 0.35834

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.494
Br2 0.000 0.000 0.371
H3 0.000 0.964 -2.007
H4 0.000 -0.964 -2.007

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86451.09191.0919
Br21.86452.56582.5658
H31.09192.56581.9272
H41.09192.56581.9272

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 118.054 Br2 C1 H4 118.054
H3 C1 H4 123.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability