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

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B97D3/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-2614.668179
Energy at 298.15K 
HF Energy-2614.668179
Nuclear repulsion energy80.043546
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 B97D3/aug-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 3117 3117 6.17 132.20 0.08 0.14
2 A1 1342 1342 18.39 0.83 0.22 0.36
3 A1 680 680 16.77 13.36 0.12 0.21
4 B1 94 94 63.73 1.46 0.75 0.86
5 B2 3285 3285 0.03 59.16 0.75 0.86
6 B2 910 910 1.01 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4714.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4714.1 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 B97D3/aug-cc-pVDZ
ABC
8.93941 0.37244 0.35755

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.498
Br2 0.000 0.000 0.371
H3 0.000 0.967 -1.998
H4 0.000 -0.967 -1.998

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.86881.08911.0891
Br21.86882.55922.5592
H31.08912.55921.9345
H41.08912.55921.9345

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 117.363 Br2 C1 H4 117.363
H3 C1 H4 125.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.199      
2 Br 0.303      
3 H -0.251      
4 H -0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.953 0.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.500 0.000 0.000
y 0.000 -24.420 0.000
z 0.000 0.000 -22.022
Traceless
 xyz
x -3.279 0.000 0.000
y 0.000 -0.159 0.000
z 0.000 0.000 3.439
Polar
3z2-r26.877
x2-y2-2.080
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.388 0.000 0.000
y 0.000 4.527 0.000
z 0.000 0.000 6.958


<r2> (average value of r2) Å2
<r2> 43.322
(<r2>)1/2 6.582