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All results from a given calculation for CH2Br2 (dibromomethane)

using model chemistry: wB97X-D/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-5187.646320
Energy at 298.15K 
HF Energy-5187.646320
Nuclear repulsion energy350.910987
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/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 3152 3152 5.00 87.17 0.08 0.15
2 A1 1467 1467 0.00 12.98 0.66 0.80
3 A1 599 599 4.05 14.55 0.10 0.17
4 A1 176 176 0.07 5.21 0.49 0.66
5 A2 1157 1157 0.00 7.68 0.75 0.86
6 B1 3237 3237 0.12 53.47 0.75 0.86
7 B1 832 832 8.06 2.36 0.75 0.86
8 B2 1265 1265 78.33 0.95 0.75 0.86
9 B2 678 678 95.17 6.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6280.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6280.8 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/6-311G*
ABC
0.89014 0.04048 0.03901

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.927
H2 -0.895 0.000 1.538
H3 0.895 0.000 1.538
Br4 0.000 1.621 -0.123
Br5 0.000 -1.621 -0.123

Atom - Atom Distances (Å)
  C1 H2 H3 Br4 Br5
C11.08391.08391.93181.9318
H21.08391.79102.48792.4879
H31.08391.79102.48792.4879
Br41.93182.48792.48793.2424
Br51.93182.48792.48793.2424

picture of dibromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 111.408 H2 C1 Br4 107.842
H2 C1 Br5 107.842 H3 C1 Br4 107.842
H3 C1 Br5 107.842 Br4 C1 Br5 114.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.630      
2 H 0.303      
3 H 0.303      
4 Br 0.012      
5 Br 0.012      


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 1.596 1.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.196 0.000 0.000
y 0.000 -44.442 0.000
z 0.000 0.000 -40.689
Traceless
 xyz
x -0.630 0.000 0.000
y 0.000 -2.499 0.000
z 0.000 0.000 3.130
Polar
3z2-r26.259
x2-y21.246
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.997 0.000 0.000
y 0.000 9.068 0.000
z 0.000 0.000 5.099


<r2> (average value of r2) Å2
<r2> 223.253
(<r2>)1/2 14.942