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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B2PLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/3-21G*
 hartrees
Energy at 0K-5260.793135
Energy at 298.15K 
HF Energy-5260.635384
Nuclear repulsion energy478.910845
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 B2PLYP/3-21G*
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' 3199 3199 4.76 77.01 0.28 0.43
2 A' 1345 1345 17.54 7.53 0.75 0.86
3 A' 1098 1098 114.05 2.02 0.75 0.86
4 A' 629 629 23.15 11.21 0.10 0.18
5 A' 343 343 0.70 5.10 0.23 0.37
6 A' 171 171 0.03 3.99 0.50 0.66
7 A" 1238 1238 79.85 5.05 0.75 0.86
8 A" 699 699 187.57 5.61 0.75 0.86
9 A" 278 278 0.20 2.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4498.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4498.6 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 B2PLYP/3-21G*
ABC
0.17351 0.04121 0.03406

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.810 0.000
H2 -1.024 1.386 0.000
F3 1.004 1.641 0.000
Br4 -0.105 -0.300 1.599
Br5 -0.105 -0.300 -1.599

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08401.38591.94651.9465
H21.08402.04342.49862.4986
F31.38592.04342.74862.7486
Br41.94652.49862.74863.1975
Br51.94652.49862.74863.1975

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.066 H2 C1 Br4 107.644
H2 C1 Br5 107.644 F3 C1 Br4 110.001
F3 C1 Br5 110.001 Br4 C1 Br5 110.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 H 0.269      
3 F -0.265      
4 Br -0.024      
5 Br -0.024      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.279 0.328 0.000 1.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.345 -2.346 0.005
y -2.346 -46.214 0.015
z 0.005 0.015 -45.945
Traceless
 xyz
x -1.266 -2.346 0.005
y -2.346 0.432 0.015
z 0.005 0.015 0.834
Polar
3z2-r21.669
x2-y2-1.132
xy-2.346
xz0.005
yz0.015


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.041 0.206 -0.000
y 0.206 5.138 -0.001
z -0.000 -0.001 8.231


<r2> (average value of r2) Å2
<r2> 255.328
(<r2>)1/2 15.979