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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-3170.372361
Energy at 298.15K-3170.376930
HF Energy-3170.372361
Nuclear repulsion energy314.968568
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 mPW1PW91/6-31G
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 3250 3077 2.00 89.01 0.25 0.40
2 A 1321 1251 14.80 8.63 0.75 0.86
3 A 1240 1174 67.17 7.75 0.74 0.85
4 A 1081 1024 170.05 1.80 0.56 0.72
5 A 722 684 224.72 7.57 0.46 0.63
6 A 634 600 61.94 11.92 0.20 0.34
7 A 395 374 2.39 6.96 0.34 0.51
8 A 300 284 0.25 4.59 0.64 0.78
9 A 219 207 0.28 8.19 0.58 0.74

Unscaled Zero Point Vibrational Energy (zpe) 4581.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 4336.8 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 mPW1PW91/6-31G
ABC
0.20360 0.06461 0.05068

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.563 0.480 0.432
Br2 -1.222 -0.196 -0.030
Cl3 1.871 -0.696 -0.069
F4 0.774 1.689 -0.209
H5 0.613 0.610 1.506

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.96361.82861.38471.0832
Br21.96363.13382.75102.5252
Cl31.82863.13382.62862.4017
F41.38472.75102.62862.0324
H51.08322.52522.40172.0324

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.407 Br2 C1 F4 109.270
Br2 C1 H5 108.472 Cl3 C1 F4 108.995
Cl3 C1 H5 108.409 F4 C1 H5 110.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.268      
2 Br 0.144      
3 Cl 0.099      
4 F -0.262      
5 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.348 -0.095 1.711 1.749
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.718 0.258 1.323
y 0.258 -43.817 1.530
z 1.323 1.530 -39.887
Traceless
 xyz
x -0.866 0.258 1.323
y 0.258 -2.515 1.530
z 1.323 1.530 3.381
Polar
3z2-r26.762
x2-y21.099
xy0.258
xz1.323
yz1.530


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.275 -0.217 0.133
y -0.217 3.959 0.388
z 0.133 0.388 2.698


<r2> (average value of r2) Å2
<r2> 186.675
(<r2>)1/2 13.663