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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-3169.866122
Energy at 298.15K-3169.870708
HF Energy-3169.866122
Nuclear repulsion energy321.081606
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 PBEPBE/6-31G(2df,p)
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 3059 3027 3.08 72.75 0.26 0.42
2 A 1279 1266 12.24 4.44 0.72 0.84
3 A 1171 1159 56.81 2.88 0.61 0.75
4 A 1097 1086 159.43 0.78 0.63 0.77
5 A 722 715 204.33 2.78 0.50 0.67
6 A 643 637 56.07 9.17 0.08 0.15
7 A 409 405 1.04 5.05 0.19 0.33
8 A 306 303 0.35 2.59 0.49 0.66
9 A 214 212 0.02 3.94 0.45 0.62

Unscaled Zero Point Vibrational Energy (zpe) 4450.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4404.5 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 PBEPBE/6-31G(2df,p)
ABC
0.21327 0.06693 0.05263

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.558 0.473 0.414
Br2 -1.201 -0.192 -0.028
Cl3 1.839 -0.680 -0.067
F4 0.756 1.649 -0.205
H5 0.613 0.595 1.503

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93191.78871.34351.0982
Br21.93193.07902.69282.5014
Cl31.78873.07902.57152.3652
F41.34352.69282.57152.0124
H51.09822.50142.36522.0124

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.644 Br2 C1 F4 109.286
Br2 C1 H5 108.111 Cl3 C1 F4 109.554
Cl3 C1 H5 107.613 F4 C1 H5 110.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 Br 0.029      
3 Cl -0.094      
4 F -0.028      
5 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.038 0.317 1.094 1.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.229 0.357 1.004
y 0.357 -41.817 1.226
z 1.004 1.226 -39.658
Traceless
 xyz
x -0.492 0.357 1.004
y 0.357 -1.374 1.226
z 1.004 1.226 1.866
Polar
3z2-r23.731
x2-y20.588
xy0.357
xz1.004
yz1.226


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.754 -0.323 0.035
y -0.323 6.005 0.238
z 0.035 0.238 5.169


<r2> (average value of r2) Å2
<r2> 179.989
(<r2>)1/2 13.416