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All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-250.209781
Energy at 298.15K-250.214747
HF Energy-250.209781
Nuclear repulsion energy105.511012
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/LANL2DZ
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' 3462 3116 12.78      
2 A' 1424 1281 133.71      
3 A' 1125 1012 294.30      
4 A' 735 661 115.46      
5 A' 562 505 13.77      
6 A' 326 294 1.54      
7 A" 1466 1320 20.54      
8 A" 1185 1066 255.69      
9 A" 319 287 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 5301.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 4770.7 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 HF/LANL2DZ
ABC
0.32620 0.09229 0.07510

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.440 -0.918 0.000
H2 -1.505 -1.010 0.000
Br3 0.078 0.981 0.000
F4 0.078 -1.545 1.109
F5 0.078 -1.545 -1.109

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.06931.96771.37551.3755
H21.06932.54332.00592.0059
Br31.96772.54332.75852.7585
F41.37552.00592.75852.2184
F51.37552.00592.75852.2184

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 110.202 H2 C1 F4 109.625
H2 C1 F5 109.625 Br3 C1 F4 109.929
Br3 C1 F5 109.929 F4 C1 F5 107.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 H 0.265      
3 Br 0.064      
4 F -0.297      
5 F -0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.172 0.705 0.000 2.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.831 2.950 0.000
y 2.950 -33.507 0.000
z 0.000 0.000 -35.039
Traceless
 xyz
x 5.441 2.950 0.000
y 2.950 -1.572 0.000
z 0.000 0.000 -3.870
Polar
3z2-r2-7.739
x2-y24.675
xy2.950
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.883 0.726 0.000
y 0.726 5.246 0.000
z 0.000 0.000 1.935


<r2> (average value of r2) Å2
<r2> 101.765
(<r2>)1/2 10.088