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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBEPBE/TZVP

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/TZVP
 hartrees
Energy at 0K-5285.984656
Energy at 298.15K 
HF Energy-5285.984656
Nuclear repulsion energy475.605672
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/TZVP
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' 3083 3049 0.51 83.99 0.25 0.40
2 A' 1269 1255 14.27 5.13 0.74 0.85
3 A' 1044 1033 213.40 1.01 0.51 0.67
4 A' 596 589 27.71 9.14 0.13 0.24
5 A' 345 341 0.63 5.50 0.23 0.38
6 A' 160 158 0.01 5.69 0.50 0.67
7 A" 1134 1121 85.08 1.77 0.75 0.86
8 A" 649 642 237.68 4.53 0.75 0.86
9 A" 283 280 0.99 3.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4281.3 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 4233.3 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/TZVP
ABC
0.17974 0.03980 0.03328

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.796 0.000
H2 -1.025 1.383 0.000
F3 0.975 1.617 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
C11.09371.35481.95981.9598
H21.09372.01372.51382.5138
F31.35482.01372.73312.7331
Br41.95982.51382.73313.2555
Br51.95982.51382.73313.2555

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.206 H2 C1 Br4 107.399
H2 C1 Br5 107.399 F3 C1 Br4 109.735
F3 C1 Br5 109.735 Br4 C1 Br5 112.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 H 0.182      
3 F -0.105      
4 Br -0.043      
5 Br -0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.118 0.429 0.000 1.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.183 -2.129 0.000
y -2.129 -47.016 0.000
z 0.000 0.000 -47.001
Traceless
 xyz
x -1.175 -2.129 0.000
y -2.129 0.576 0.000
z 0.000 0.000 0.598
Polar
3z2-r21.197
x2-y2-1.167
xy-2.129
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.882 0.238 0.000
y 0.238 6.261 0.000
z 0.000 0.000 10.288


<r2> (average value of r2) Å2
<r2> 260.847
(<r2>)1/2 16.151