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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-2710.773117
Energy at 298.15K-2710.778545
HF Energy-2710.773117
Nuclear repulsion energy164.438089
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 B3PW91/6-31G*
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' 3123 2987 20.02      
2 A' 1527 1461 0.47      
3 A' 1355 1296 67.24      
4 A' 1136 1087 176.51      
5 A' 635 608 69.59      
6 A' 308 295 0.47      
7 A" 3207 3068 11.26      
8 A" 1263 1209 2.50      
9 A" 948 907 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 6751.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6458.7 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 B3PW91/6-31G*
ABC
1.34962 0.12341 0.11564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.511 -1.125 0.000
F2 -0.584 -1.922 0.000
Br3 0.000 0.760 0.000
H4 1.094 -1.286 0.907
H5 1.094 -1.286 -0.907

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.35421.95351.09011.0901
F21.35422.74492.01032.0103
Br31.95352.74492.49172.4917
H41.09012.01032.49171.8140
H51.09012.01032.49171.8140

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 110.864 F2 C1 H4 110.198
F2 C1 H5 110.198 Br3 C1 H4 106.423
Br3 C1 H5 106.423 H4 C1 H5 112.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 F -0.257      
3 Br -0.131      
4 H 0.206      
5 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.608 -0.829 0.000 1.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.680 -2.975 0.000
y -2.975 -29.108 0.000
z 0.000 0.000 -28.807
Traceless
 xyz
x 0.277 -2.975 0.000
y -2.975 -0.364 0.000
z 0.000 0.000 0.087
Polar
3z2-r20.174
x2-y20.428
xy-2.975
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.478 -0.422 0.000
y -0.422 5.515 0.000
z 0.000 0.000 3.326


<r2> (average value of r2) Å2
<r2> 91.079
(<r2>)1/2 9.544