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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-5227.615866
Energy at 298.15K 
HF Energy-5227.615866
Nuclear repulsion energy466.860094
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/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' 3160 2887 10.87 44.92 0.40 0.57
2 A' 1348 1232 40.44 5.77 0.69 0.82
3 A' 1205 1101 80.70 2.32 0.63 0.77
4 A' 633 578 22.72 7.74 0.14 0.24
5 A' 371 339 3.85 4.55 0.27 0.42
6 A' 168 154 0.35 4.36 0.56 0.72
7 A" 1234 1127 64.02 7.94 0.75 0.86
8 A" 715 654 163.01 4.37 0.75 0.86
9 A" 296 270 0.62 2.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4564.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 4170.2 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/STO-3G
ABC
0.17099 0.03850 0.03206

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.100 0.800 0.000
H2 -1.076 1.366 0.000
F3 0.966 1.684 0.000
Br4 -0.100 -0.305 1.655
Br5 -0.100 -0.305 -1.655

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.12821.38521.99041.9904
H21.12822.06722.54662.5466
F31.38522.06722.79892.7989
Br41.99042.54662.79893.3109
Br51.99042.54662.79893.3109

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 106.172
H2 C1 Br5 106.172 F3 C1 Br4 110.746
F3 C1 Br5 110.746 Br4 C1 Br5 112.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 H 0.110      
3 F -0.017      
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
  -0.392 1.258 0.000 1.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.302 -0.793 0.000
y -0.793 -41.499 0.000
z 0.000 0.000 -44.492
Traceless
 xyz
x 0.694 -0.793 0.000
y -0.793 1.898 0.000
z 0.000 0.000 -2.592
Polar
3z2-r2-5.183
x2-y2-0.802
xy-0.793
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.182 0.306 0.000
y 0.306 2.457 0.000
z 0.000 0.000 5.231


<r2> (average value of r2) Å2
<r2> 266.610
(<r2>)1/2 16.328