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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBE/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-5285.882546
Energy at 298.15K 
HF Energy-5285.882546
Nuclear repulsion energy475.376171
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3068 3050 2.18 90.03 0.25 0.40
2 A' 1248 1240 16.92 5.41 0.73 0.84
3 A' 1087 1081 197.20 0.94 0.56 0.72
4 A' 595 592 25.65 9.56 0.14 0.24
5 A' 343 341 0.78 5.82 0.20 0.34
6 A' 161 160 0.00 5.44 0.49 0.66
7 A" 1115 1108 80.12 2.92 0.75 0.86
8 A" 647 643 228.82 2.89 0.75 0.86
9 A" 281 279 1.53 2.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4271.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 4247.1 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-pVDZ
ABC
0.17936 0.03979 0.03327

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.801 0.000
H2 -1.039 1.385 0.000
F3 0.974 1.618 0.000
Br4 -0.102 -0.296 1.628
Br5 -0.102 -0.296 -1.628

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.10481.35151.96281.9628
H21.10482.02742.52092.5209
F31.35152.02742.73372.7337
Br41.96282.52092.73373.2554
Br51.96282.52092.73373.2554

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.858 H2 C1 Br4 107.187
H2 C1 Br5 107.187 F3 C1 Br4 109.759
F3 C1 Br5 109.759 Br4 C1 Br5 112.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.018      
2 H 0.122      
3 F -0.106      
4 Br -0.017      
5 Br -0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.953 0.599 0.000 1.126
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.187 -1.694 0.000
y -1.694 -45.985 0.000
z 0.000 0.000 -46.497
Traceless
 xyz
x -0.946 -1.694 0.000
y -1.694 0.857 0.000
z 0.000 0.000 0.089
Polar
3z2-r20.178
x2-y2-1.202
xy-1.694
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.143 0.204 0.000
y 0.204 5.501 0.000
z 0.000 0.000 9.237


<r2> (average value of r2) Å2
<r2> 260.424
(<r2>)1/2 16.138