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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-57.139281
Energy at 298.15K 
HF Energy-57.139281
Nuclear repulsion energy58.203705
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 B3LYP/CEP-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' 3192 3091 6.49 107.40 0.22 0.36
2 A' 1275 1235 20.76 11.16 0.75 0.86
3 A' 991 960 191.31 3.06 0.61 0.76
4 A' 583 565 29.51 18.55 0.17 0.29
5 A' 329 319 0.84 9.70 0.28 0.44
6 A' 160 155 0.00 9.67 0.58 0.73
7 A" 1175 1138 99.52 7.95 0.75 0.86
8 A" 657 636 245.69 8.40 0.75 0.86
9 A" 273 264 0.01 4.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4317.8 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 4181.4 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 B3LYP/CEP-31G
ABC
0.17266 0.03772 0.03163

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.109 0.799 0.000
H2 -1.009 1.425 0.000
F3 1.034 1.632 0.000
Br4 -0.109 -0.299 1.672
Br5 -0.109 -0.299 -1.672

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09581.41472.00012.0001
H21.09582.05352.56432.5643
F31.41472.05352.79822.7982
Br42.00012.56432.79823.3434
Br52.00012.56432.79823.3434

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.111 H2 C1 Br4 108.276
H2 C1 Br5 108.276 F3 C1 Br4 108.851
F3 C1 Br5 108.851 Br4 C1 Br5 113.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 H 0.280      
3 F -0.148      
4 Br 0.129      
5 Br 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.805 0.163 0.000 1.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.986 -3.126 0.000
y -3.126 -41.148 0.000
z 0.000 0.000 -40.641
Traceless
 xyz
x -1.092 -3.126 0.000
y -3.126 0.165 0.000
z 0.000 0.000 0.926
Polar
3z2-r21.853
x2-y2-0.838
xy-3.126
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.502 0.402 0.000
y 0.402 4.590 0.000
z 0.000 0.000 9.283


<r2> (average value of r2) Å2
<r2> 98.095
(<r2>)1/2 9.904