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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-5261.588738
Energy at 298.15K 
HF Energy-5261.588738
Nuclear repulsion energy478.802787
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 TPSSh/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' 3163 3054 5.51 84.63 0.27 0.43
2 A' 1317 1272 14.86 7.25 0.75 0.86
3 A' 1086 1049 123.55 1.55 0.66 0.80
4 A' 617 596 24.19 10.93 0.10 0.18
5 A' 336 324 0.66 5.22 0.23 0.38
6 A' 164 159 0.03 4.35 0.49 0.66
7 A" 1209 1168 76.42 4.87 0.75 0.86
8 A" 676 652 208.59 4.48 0.75 0.86
9 A" 269 260 0.02 2.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4418.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 4267.1 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 TPSSh/3-21G*
ABC
0.17261 0.04128 0.03407

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.105 0.812 0.000
H2 -1.029 1.385 0.000
F3 1.002 1.648 0.000
Br4 -0.105 -0.301 1.597
Br5 -0.105 -0.301 -1.597

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08661.38731.94731.9473
H21.08662.04792.49942.4994
F31.38732.04792.75282.7528
Br41.94732.49942.75283.1950
Br51.94732.49942.75283.1950

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.170 H2 C1 Br4 107.532
H2 C1 Br5 107.532 F3 C1 Br4 110.150
F3 C1 Br5 110.150 Br4 C1 Br5 110.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 H 0.290      
3 F -0.244      
4 Br -0.011      
5 Br -0.011      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.227 0.386 0.000 1.287
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.105 0.223 0.000
y 0.223 5.263 0.000
z 0.000 0.000 8.507


<r2> (average value of r2) Å2
<r2> 255.124
(<r2>)1/2 15.973