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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: TPSSh/6-31G

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/6-31G
 hartrees
Energy at 0K-5281.380380
Energy at 298.15K 
HF Energy-5281.380380
Nuclear repulsion energy470.699633
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/6-31G
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' 3221 3099 2.21 101.43 0.25 0.40
2 A' 1291 1242 14.97 9.05 0.75 0.86
3 A' 1042 1002 171.88 1.66 0.48 0.65
4 A' 581 559 32.63 12.65 0.18 0.31
5 A' 325 313 1.71 7.27 0.30 0.46
6 A' 162 156 0.07 7.71 0.56 0.72
7 A" 1179 1134 83.42 7.48 0.75 0.86
8 A" 633 609 234.08 5.40 0.75 0.86
9 A" 270 260 0.20 4.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4351.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 4186.7 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/6-31G
ABC
0.17174 0.03941 0.03277

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.108 0.818 0.000
H2 -1.009 1.420 0.000
F3 1.021 1.640 0.000
Br4 -0.108 -0.301 1.635
Br5 -0.108 -0.301 -1.635

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08391.39581.98181.9818
H21.08392.04212.53952.5395
F31.39582.04212.77782.7778
Br41.98182.53952.77783.2703
Br51.98182.53952.77783.2703

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.240 H2 C1 Br4 108.269
H2 C1 Br5 108.269 F3 C1 Br4 109.427
F3 C1 Br5 109.427 Br4 C1 Br5 111.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 H 0.283      
3 F -0.248      
4 Br 0.124      
5 Br 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.542 0.493 0.000 1.619
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 2.746 0.327 0.000
y 0.327 4.487 0.000
z 0.000 0.000 8.549


<r2> (average value of r2) Å2
<r2> 264.727
(<r2>)1/2 16.270