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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B1B95/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-3173.383078
Energy at 298.15K-3173.387757
HF Energy-3173.383078
Nuclear repulsion energy323.200433
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/aug-cc-pVTZ
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 3176 3044 0.28 74.74 0.20 0.33
2 A 1328 1273 10.66 3.65 0.48 0.65
3 A 1222 1171 60.33 2.24 0.33 0.50
4 A 1118 1071 189.08 2.07 0.64 0.78
5 A 784 752 198.05 3.39 0.61 0.76
6 A 665 637 54.92 14.66 0.08 0.15
7 A 428 410 0.71 4.64 0.14 0.25
8 A 314 301 0.03 2.66 0.39 0.56
9 A 221 212 0.02 3.08 0.38 0.55

Unscaled Zero Point Vibrational Energy (zpe) 4627.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 4435.4 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/aug-cc-pVTZ
ABC
0.21723 0.06771 0.05331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.570 0.459 0.410
Br2 -1.197 -0.184 -0.028
Cl3 1.817 -0.682 -0.067
F4 0.777 1.632 -0.202
H5 0.611 0.591 1.483

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93091.75621.33891.0819
Br21.93093.05512.68862.4807
Cl31.75623.05512.54052.3399
F41.33892.68862.54051.9871
H51.08192.48072.33991.9871

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.822 Br2 C1 F4 109.284
Br2 C1 H5 107.479 Cl3 C1 F4 109.598
Cl3 C1 H5 108.734 F4 C1 H5 109.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 Br 0.024      
3 Cl -0.095      
4 F -0.296      
5 H 0.313      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.013 -0.063 1.200 1.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.376 -0.021 1.066
y -0.021 -42.971 1.446
z 1.066 1.446 -40.121
Traceless
 xyz
x 0.170 -0.021 1.066
y -0.021 -2.222 1.446
z 1.066 1.446 2.053
Polar
3z2-r24.105
x2-y21.595
xy-0.021
xz1.066
yz1.446


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.560 -0.231 0.040
y -0.231 6.945 0.153
z 0.040 0.153 6.193


<r2> (average value of r2) Å2
<r2> 178.316
(<r2>)1/2 13.354