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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-5261.096629
Energy at 298.15K 
HF Energy-5261.096629
Nuclear repulsion energy466.548428
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' 3178 3079 7.23 99.00 0.26 0.41
2 A' 1314 1273 15.76 8.73 0.75 0.86
3 A' 1103 1069 153.51 1.71 0.55 0.71
4 A' 584 566 28.70 12.08 0.19 0.33
5 A' 324 314 2.16 6.84 0.29 0.45
6 A' 159 154 0.08 7.73 0.56 0.72
7 A" 1196 1159 95.01 7.66 0.75 0.86
8 A" 660 640 232.13 5.90 0.75 0.86
9 A" 269 261 0.41 3.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4393.7 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 4256.6 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 TPSSh/3-21G
ABC
0.17271 0.03829 0.03200

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 -0.104 0.814 0.000
H2 -1.035 1.373 0.000
F3 0.993 1.652 0.000
Br4 -0.104 -0.302 1.660
Br5 -0.104 -0.302 -1.660

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08571.38091.99971.9997
H21.08572.04712.53482.5348
F31.38092.04712.78862.7886
Br41.99972.53482.78863.3192
Br51.99972.53482.78863.3192

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.624 H2 C1 Br4 106.695
H2 C1 Br5 106.695 F3 C1 Br4 109.798
F3 C1 Br5 109.798 Br4 C1 Br5 112.183
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 -0.319      
2 H 0.316      
3 F -0.226      
4 Br 0.115      
5 Br 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.323 0.612 0.000 1.457
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 2.488 0.268 0.000
y 0.268 4.183 0.000
z 0.000 0.000 8.519


<r2> (average value of r2) Å2
<r2> 269.781
(<r2>)1/2 16.425