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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-3170.591013
Energy at 298.15K-3170.595700
HF Energy-3170.591013
Nuclear repulsion energy322.198804
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 mPW1PW91/6-31+G**
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 3199 3045 0.55 76.68 0.25 0.40
2 A 1332 1267 14.90 4.46 0.73 0.84
3 A 1252 1192 75.31 3.93 0.53 0.69
4 A 1109 1055 207.41 1.33 0.75 0.86
5 A 793 755 218.58 4.09 0.66 0.80
6 A 667 634 62.77 12.96 0.09 0.17
7 A 431 410 0.98 4.12 0.24 0.39
8 A 318 303 0.04 2.97 0.49 0.66
9 A 228 217 0.02 4.20 0.51 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4663.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 4438.8 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 mPW1PW91/6-31+G**
ABC
0.21728 0.06707 0.05294

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.566 0.452 0.414
Br2 -1.202 -0.186 -0.029
Cl3 1.830 -0.677 -0.068
F4 0.772 1.635 -0.202
H5 0.607 0.591 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93071.76181.34961.0870
Br21.93073.07162.69062.4871
Cl31.76183.07162.54642.3525
F41.34962.69062.54641.9958
H51.08702.48712.35251.9958

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.499 Br2 C1 F4 108.925
Br2 C1 H5 107.700 Cl3 C1 F4 109.138
Cl3 C1 H5 109.027 F4 C1 H5 109.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 Br -0.044      
3 Cl 0.095      
4 F -0.167      
5 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.043 -0.128 1.331 1.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.572 0.001 1.213
y 0.001 -43.532 1.501
z 1.213 1.501 -40.332
Traceless
 xyz
x 0.360 0.001 1.213
y 0.001 -2.580 1.501
z 1.213 1.501 2.220
Polar
3z2-r24.440
x2-y21.960
xy0.001
xz1.213
yz1.501


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.446 -0.235 0.044
y -0.235 5.828 0.211
z 0.044 0.211 5.016


<r2> (average value of r2) Å2
<r2> 179.609
(<r2>)1/2 13.402