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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-2710.364958
Energy at 298.15K-2710.370408
HF Energy-2710.364958
Nuclear repulsion energy165.065171
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3135 2988 19.13      
2 A' 1532 1461 0.60      
3 A' 1362 1298 68.05      
4 A' 1158 1104 175.61      
5 A' 647 617 68.30      
6 A' 312 298 0.44      
7 A" 3220 3069 10.21      
8 A" 1270 1210 2.53      
9 A" 954 909 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6795.3 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 6476.6 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 PBE1PBE/6-31G**
ABC
1.35460 0.12449 0.11663

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.510 -1.120 0.000
F2 -0.583 -1.913 0.000
Br3 0.000 0.757 0.000
H4 1.093 -1.283 0.906
H5 1.093 -1.283 -0.906

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.34941.94541.09011.0901
F21.34942.73272.00672.0067
Br31.94542.73272.48562.4856
H41.09012.00672.48561.8123
H51.09012.00672.48561.8123

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 110.771 F2 C1 H4 110.243
F2 C1 H5 110.243 Br3 C1 H4 106.505
Br3 C1 H5 106.505 H4 C1 H5 112.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.029      
2 F -0.259      
3 Br -0.131      
4 H 0.209      
5 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.601 -0.824 0.000 1.801
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.727 -2.954 0.000
y -2.954 -29.140 0.000
z 0.000 0.000 -28.861
Traceless
 xyz
x 0.273 -2.954 0.000
y -2.954 -0.346 0.000
z 0.000 0.000 0.073
Polar
3z2-r20.145
x2-y20.413
xy-2.954
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.466 -0.424 0.000
y -0.424 5.457 0.000
z 0.000 0.000 3.320


<r2> (average value of r2) Å2
<r2> 90.515
(<r2>)1/2 9.514