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

using model chemistry: wB97X-D/daug-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 wB97X-D/daug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/daug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/daug-cc-pVDZ
 hartrees
Energy at 0K-2613.419536
Energy at 298.15K 
HF Energy-2613.419536
Nuclear repulsion energy80.699048
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 wB97X-D/daug-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 3185 3185 5.00 123.17 0.08 0.15
2 A1 1384 1384 16.63 1.15 0.18 0.30
3 A1 724 724 18.22 10.60 0.09 0.17
4 B1 223 223 66.88 0.74 0.75 0.86
5 B2 3351 3351 0.86 51.62 0.75 0.86
6 B2 931 931 0.78 0.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4898.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4898.8 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 wB97X-D/daug-cc-pVDZ
ABC
9.06124 0.37875 0.36355

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.484
Br2 0.000 0.000 0.368
H3 0.000 0.961 -1.988
H4 0.000 -0.961 -1.988

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85171.08511.0851
Br21.85172.54452.5445
H31.08512.54451.9214
H41.08512.54451.9214

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 117.707 Br2 C1 H4 117.707
H3 C1 H4 124.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.553      
2 Br 0.362      
3 H -0.458      
4 H -0.458      


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 -1.053 1.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.592 0.000 0.000
y 0.000 -24.454 0.000
z 0.000 0.000 -21.840
Traceless
 xyz
x -3.445 0.000 0.000
y 0.000 -0.238 0.000
z 0.000 0.000 3.683
Polar
3z2-r27.366
x2-y2-2.138
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.531 0.000 0.000
y 0.000 4.677 0.000
z 0.000 0.000 6.798


<r2> (average value of r2) Å2
<r2> 42.874
(<r2>)1/2 6.548