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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-2697.970638
Energy at 298.15K-2697.976152
HF Energy-2697.970638
Nuclear repulsion energy164.556666
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 HF/3-21G*
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' 3311 2989 21.18      
2 A' 1675 1512 1.01      
3 A' 1495 1350 77.35      
4 A' 1172 1058 125.90      
5 A' 696 628 70.41      
6 A' 320 289 1.56      
7 A" 3389 3059 9.82      
8 A" 1358 1226 2.74      
9 A" 1036 935 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 7225.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 6522.0 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 HF/3-21G*
ABC
1.32064 0.12401 0.11585

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.524 -1.109 0.000
F2 -0.594 -1.923 0.000
Br3 0.000 0.758 0.000
H4 1.099 -1.279 0.889
H5 1.099 -1.279 -0.889

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.38321.93901.07241.0724
F21.38322.74592.01772.0177
Br31.93902.74592.47972.4797
H41.07242.01772.47971.7783
H51.07242.01772.47971.7783

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.371 F2 C1 H4 109.864
F2 C1 H5 109.864 Br3 C1 H4 107.335
Br3 C1 H5 107.335 H4 C1 H5 112.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.018      
2 F -0.382      
3 Br -0.097      
4 H 0.249      
5 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.163 -0.325 0.000 2.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.942 -4.048 0.000
y -4.048 -30.398 0.000
z 0.000 0.000 -28.899
Traceless
 xyz
x 0.706 -4.048 0.000
y -4.048 -1.477 0.000
z 0.000 0.000 0.771
Polar
3z2-r21.542
x2-y21.455
xy-4.048
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.921 -0.470 0.000
y -0.470 4.888 0.000
z 0.000 0.000 2.738


<r2> (average value of r2) Å2
<r2> 91.227
(<r2>)1/2 9.551