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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-2610.417131
Energy at 298.15K-2610.420956
HF Energy-2610.417131
Nuclear repulsion energy81.780951
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 LSDA/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' 3102 3069 1.36      
2 A' 1315 1301 7.15      
3 A' 747 738 12.81      
4 A' 279 276 81.16      
5 A" 3256 3221 2.75      
6 A" 900 890 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 4799.7 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 4747.4 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 LSDA/cc-pVTZ
ABC
9.06550 0.39001 0.37393

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.460 0.000
Br2 0.000 -0.363 0.000
H3 -0.001 1.966 0.960
H4 -0.001 1.966 -0.960

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.82311.08571.0857
Br21.82312.51952.5195
H31.08572.51951.9210
H41.08572.51951.9210

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 117.785 Br2 C1 H4 117.785
H3 C1 H4 124.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.346      
2 Br 0.044      
3 H 0.151      
4 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.002 0.727 0.000 0.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.411 -0.005 0.000
y -0.005 -22.313 0.000
z 0.000 0.000 -24.338
Traceless
 xyz
x -3.086 -0.005 0.000
y -0.005 3.062 0.000
z 0.000 0.000 0.024
Polar
3z2-r20.047
x2-y2-4.098
xy-0.005
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.117 -0.000 0.000
y -0.000 6.327 0.000
z 0.000 0.000 3.603


<r2> (average value of r2) Å2
<r2> 42.192
(<r2>)1/2 6.496