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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-5286.080623
Energy at 298.15K 
HF Energy-5286.080623
Nuclear repulsion energy477.182400
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 PBEPBE/cc-pVTZ
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' 3074 3052 0.59 77.04 0.23 0.38
2 A' 1263 1254 10.28 4.81 0.58 0.74
3 A' 1062 1054 186.12 0.81 0.74 0.85
4 A' 598 594 24.14 10.08 0.09 0.17
5 A' 345 343 0.50 6.06 0.15 0.26
6 A' 160 159 0.00 4.26 0.45 0.62
7 A" 1131 1123 73.90 1.54 0.75 0.86
8 A" 654 649 219.52 2.96 0.75 0.86
9 A" 283 281 0.86 2.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4284.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 4255.1 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 PBEPBE/cc-pVTZ
ABC
0.18062 0.04010 0.03352

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.796 0.000
H2 -1.025 1.381 0.000
F3 0.975 1.611 0.000
Br4 -0.102 -0.295 1.621
Br5 -0.102 -0.295 -1.621

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09291.35101.95421.9542
H21.09292.01342.50802.5080
F31.35102.01342.72452.7245
Br41.95422.50802.72453.2429
Br51.95422.50802.72453.2429

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.496 H2 C1 Br4 107.390
H2 C1 Br5 107.390 F3 C1 Br4 109.688
F3 C1 Br5 109.688 Br4 C1 Br5 112.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 H 0.106      
3 F -0.113      
4 Br -0.045      
5 Br -0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.965 0.552 0.000 1.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.804 -1.829 0.000
y -1.829 -46.620 0.000
z 0.000 0.000 -47.128
Traceless
 xyz
x -0.930 -1.829 0.000
y -1.829 0.846 0.000
z 0.000 0.000 0.084
Polar
3z2-r20.167
x2-y2-1.184
xy-1.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.474 0.235 0.000
y 0.235 6.713 0.000
z 0.000 0.000 10.598


<r2> (average value of r2) Å2
<r2> 259.072
(<r2>)1/2 16.096