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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: TPSSh/STO-3G

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/STO-3G
 hartrees
Energy at 0K-5228.612945
Energy at 298.15K 
HF Energy-5228.612945
Nuclear repulsion energy468.622170
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/STO-3G
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' 3242 3242 8.33 45.95 0.38 0.55
2 A' 1383 1383 40.63 6.11 0.73 0.85
3 A' 1217 1217 80.63 2.27 0.74 0.85
4 A' 643 643 23.49 8.60 0.13 0.23
5 A' 375 375 3.88 4.57 0.27 0.42
6 A' 172 172 0.44 4.16 0.57 0.72
7 A" 1270 1270 72.75 8.15 0.75 0.86
8 A" 745 745 147.91 6.03 0.75 0.86
9 A" 300 300 0.16 2.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4672.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4672.9 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/STO-3G
ABC
0.17235 0.03878 0.03230

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.100 0.795 0.000
H2 -1.067 1.365 0.000
F3 0.967 1.676 0.000
Br4 -0.100 -0.303 1.649
Br5 -0.100 -0.303 -1.649

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.12231.38351.98161.9816
H21.12232.05732.53742.5374
F31.38352.05732.78852.7885
Br41.98162.53742.78853.2987
Br51.98162.53742.78853.2987

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.938 H2 C1 Br4 106.351
H2 C1 Br5 106.351 F3 C1 Br4 110.662
F3 C1 Br5 110.662 Br4 C1 Br5 112.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 H 0.103      
3 F -0.039      
4 Br -0.013      
5 Br -0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.472 1.166 0.000 1.258
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 1.161 0.270 0.000
y 0.270 2.397 0.000
z 0.000 0.000 5.110


<r2> (average value of r2) Å2
<r2> 264.917
(<r2>)1/2 16.276