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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-3170.755957
Energy at 298.15K-3170.760633
HF Energy-3170.755957
Nuclear repulsion energy322.581497
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 B1B95/6-31G**
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 3206 3061 4.41 78.86 0.27 0.43
2 A 1356 1295 23.85 5.88 0.75 0.86
3 A 1249 1193 81.19 4.82 0.67 0.80
4 A 1167 1114 185.47 1.27 0.71 0.83
5 A 786 750 213.35 4.27 0.59 0.74
6 A 663 633 65.24 10.77 0.14 0.25
7 A 427 408 1.32 4.44 0.28 0.44
8 A 312 298 0.12 3.05 0.52 0.69
9 A 227 216 0.09 4.69 0.51 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4695.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4483.7 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 B1B95/6-31G**
ABC
0.21647 0.06745 0.05312

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.571 0.464 0.412
Br2 -1.199 -0.185 -0.028
Cl3 1.821 -0.682 -0.067
F4 0.775 1.634 -0.204
H5 0.609 0.593 1.489

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93651.76251.33771.0857
Br21.93653.06142.69052.4853
Cl31.76253.06142.54522.3495
F41.33772.69052.54521.9944
H51.08572.48532.34951.9944

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.623 Br2 C1 F4 109.150
Br2 C1 H5 107.270 Cl3 C1 F4 109.608
Cl3 C1 H5 108.825 F4 C1 H5 110.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 Br -0.063      
3 Cl 0.023      
4 F -0.228      
5 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.009 0.130 1.272 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.066 0.291 1.139
y 0.291 -42.127 1.269
z 1.139 1.269 -39.611
Traceless
 xyz
x -0.197 0.291 1.139
y 0.291 -1.788 1.269
z 1.139 1.269 1.986
Polar
3z2-r23.972
x2-y21.061
xy0.291
xz1.139
yz1.269


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.543 -0.301 0.048
y -0.301 4.867 0.296
z 0.048 0.296 4.039


<r2> (average value of r2) Å2
<r2> 178.531
(<r2>)1/2 13.362