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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-44.381322
Energy at 298.15K-44.386686
HF Energy-44.381322
Nuclear repulsion energy37.614907
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 B3LYP/CEP-121G
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' 3082 3004 23.39      
2 A' 1468 1431 0.01      
3 A' 1327 1294 59.41      
4 A' 988 963 181.93      
5 A' 602 587 75.83      
6 A' 285 278 1.02      
7 A" 3198 3117 14.35      
8 A" 1200 1169 3.58      
9 A" 922 898 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 6536.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 6370.0 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 B3LYP/CEP-121G
ABC
1.24934 0.11637 0.10878

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.546 -1.149 0.000
F2 -0.610 -1.983 0.000
Br3 0.000 0.783 0.000
H4 1.107 -1.326 0.917
H5 1.107 -1.326 -0.917

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.42532.00691.09001.0900
F21.42532.83242.05422.0542
Br32.00692.83242.55242.5524
H41.09002.05422.55241.8345
H51.09002.05422.55241.8345

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 110.073 F2 C1 H4 108.782
F2 C1 H5 108.782 Br3 C1 H4 107.271
Br3 C1 H5 107.271 H4 C1 H5 114.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.275      
2 F -0.217      
3 Br 0.077      
4 H 0.208      
5 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.342 -0.381 0.000 2.373
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.155 -4.146 0.000
y -4.146 -27.854 0.000
z 0.000 0.000 -25.944
Traceless
 xyz
x 0.744 -4.146 0.000
y -4.146 -1.805 0.000
z 0.000 0.000 1.060
Polar
3z2-r22.120
x2-y21.699
xy-4.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.457 -0.666 0.000
y -0.666 5.976 0.000
z 0.000 0.000 2.137


<r2> (average value of r2) Å2
<r2> 65.191
(<r2>)1/2 8.074