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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-10042.091717
Energy at 298.15K 
HF Energy-10042.091717
Nuclear repulsion energy905.823213
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 HF/3-21G*
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 1177 1062 95.28 13.15 0.44 0.61
2 A 834 753 174.82 17.03 0.73 0.84
3 A 820 740 181.39 29.39 0.64 0.78
4 A 459 415 0.33 13.01 0.04 0.08
5 A 336 303 1.00 3.94 0.45 0.62
6 A 284 257 2.18 3.16 0.74 0.85
7 A 265 239 0.94 9.18 0.18 0.31
8 A 194 175 0.06 3.77 0.60 0.75
9 A 146 131 0.08 3.20 0.56 0.72

Unscaled Zero Point Vibrational Energy (zpe) 2257.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 2037.4 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 HF/3-21G*
ABC
0.05982 0.02582 0.02100

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.445 0.469 0.334
F2 0.540 0.700 1.685
Cl3 0.762 2.003 -0.491
Br4 1.780 -0.838 -0.141
I5 -1.562 -0.261 -0.073

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37381.77041.92792.1738
F21.37382.54602.69072.9040
Cl31.77042.54603.03763.2711
Br41.92792.69073.03763.3920
I52.17382.90403.27113.3920

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 107.466 F2 C1 Br4 107.986
F2 C1 I5 107.744 Cl3 C1 Br4 110.368
Cl3 C1 I5 111.652 Br4 C1 I5 111.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.054      
2 F -0.351      
3 Cl 0.063      
4 Br 0.043      
5 I 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 -0.795 -1.002 1.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.500 -0.202 -0.420
y -0.202 -69.466 -0.558
z -0.420 -0.558 -72.757
Traceless
 xyz
x 5.611 -0.202 -0.420
y -0.202 -0.338 -0.558
z -0.420 -0.558 -5.273
Polar
3z2-r2-10.547
x2-y23.966
xy-0.202
xz-0.420
yz-0.558


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.254 0.248 -0.159
y 0.248 9.007 -0.324
z -0.159 -0.324 6.242


<r2> (average value of r2) Å2
<r2> 430.523
(<r2>)1/2 20.749