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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

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 C1 1A
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-3169.798077
Energy at 298.15K-3169.802756
HF Energy-3169.798077
Nuclear repulsion energy322.133242
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
4/u)
Dep P Dep U
1 A 3200 3041 4.30 78.38 0.27 0.43
2 A 1356 1288 23.27 5.80 0.75 0.86
3 A 1251 1189 80.16 4.75 0.67 0.80
4 A 1167 1109 184.50 1.25 0.71 0.83
5 A 790 750 212.48 4.13 0.58 0.73
6 A 666 633 65.59 10.40 0.14 0.25
7 A 430 409 1.30 4.44 0.28 0.44
8 A 315 299 0.15 3.04 0.52 0.69
9 A 229 218 0.08 4.69 0.51 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4701.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 4467.8 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 PBE1PBE/6-31G*
ABC
0.21592 0.06725 0.05297

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.465 0.411
Br2 -1.201 -0.185 -0.028
Cl3 1.824 -0.684 -0.067
F4 0.777 1.636 -0.203
H5 0.609 0.592 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93971.76461.33821.0882
Br21.93973.06582.69482.4884
Cl31.76463.06582.54842.3521
F41.33822.69482.54841.9975
H51.08822.48842.35211.9975

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.625 Br2 C1 F4 109.217
Br2 C1 H5 107.159 Cl3 C1 F4 109.669
Cl3 C1 H5 108.749 F4 C1 H5 110.393
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 0.010      
2 Br -0.062      
3 Cl 0.025      
4 F -0.223      
5 H 0.251      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.009 0.168 1.270 1.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.254 0.322 1.135
y 0.322 -42.215 1.255
z 1.135 1.255 -39.750
Traceless
 xyz
x -0.272 0.322 1.135
y 0.322 -1.713 1.255
z 1.135 1.255 1.985
Polar
3z2-r23.970
x2-y20.961
xy0.322
xz1.135
yz1.255


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.552 -0.303 0.046
y -0.303 4.884 0.294
z 0.046 0.294 4.047


<r2> (average value of r2) Å2
<r2> 179.060
(<r2>)1/2 13.381