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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-3170.430381
Energy at 298.15K-3170.434995
HF Energy-3170.430381
Nuclear repulsion energy318.885782
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/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 3181 3055 5.12 78.72 0.28 0.44
2 A 1349 1296 23.30 6.04 0.75 0.86
3 A 1236 1187 84.48 4.77 0.67 0.80
4 A 1134 1089 186.05 1.26 0.70 0.83
5 A 749 719 210.25 4.75 0.53 0.69
6 A 643 617 73.39 10.85 0.15 0.26
7 A 417 401 1.34 5.08 0.27 0.42
8 A 305 293 0.45 3.38 0.51 0.68
9 A 222 213 0.06 5.24 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 4618.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 4434.9 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/6-31G*
ABC
0.21269 0.06571 0.05183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.580 0.472 0.415
Br2 -1.215 -0.187 -0.028
Cl3 1.846 -0.689 -0.067
F4 0.785 1.648 -0.205
H5 0.616 0.598 1.494

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.96331.78401.34451.0874
Br21.96333.10202.72002.5075
Cl31.78403.10202.56992.3679
F41.34452.72002.56992.0046
H51.08742.50752.36792.0046

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.656 Br2 C1 F4 109.206
Br2 C1 H5 107.032 Cl3 C1 F4 109.661
Cl3 C1 H5 108.669 F4 C1 H5 110.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.061      
2 Br -0.069      
3 Cl 0.006      
4 F -0.223      
5 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.002 0.192 1.271 1.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.357 0.349 1.142
y 0.349 -42.266 1.268
z 1.142 1.268 -39.806
Traceless
 xyz
x -0.321 0.349 1.142
y 0.349 -1.685 1.268
z 1.142 1.268 2.006
Polar
3z2-r24.011
x2-y20.909
xy0.349
xz1.142
yz1.268


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.749 -0.311 0.049
y -0.311 4.934 0.298
z 0.049 0.298 4.050


<r2> (average value of r2) Å2
<r2> 182.411
(<r2>)1/2 13.506