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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-620.983980
Energy at 298.15K 
HF Energy-620.983980
Nuclear repulsion energy173.085917
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/SDD
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 1100 990 207.99 15.44 0.50 0.67
2 A 799 719 185.07 28.45 0.75 0.86
3 A 783 705 200.89 27.68 0.74 0.85
4 A 439 395 1.02 18.10 0.04 0.08
5 A 334 301 0.94 7.36 0.56 0.72
6 A 289 260 2.20 6.02 0.75 0.86
7 A 255 230 0.67 17.15 0.23 0.38
8 A 190 171 0.14 7.63 0.67 0.80
9 A 148 133 0.11 8.24 0.65 0.79

Unscaled Zero Point Vibrational Energy (zpe) 2168.1 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 1952.2 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/SDD
ABC
0.05755 0.02517 0.02034

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.424 0.458 0.336
F2 0.523 0.677 1.704
Cl3 0.731 2.072 -0.476
Br4 1.824 -0.837 -0.147
I5 -1.576 -0.279 -0.077

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.38901.83251.96702.1715
F21.38902.59682.72302.9142
Cl31.83252.59683.12403.3177
Br41.96702.72303.12403.4459
I52.17152.91423.31773.4459

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.622 F2 C1 Br4 107.208
F2 C1 I5 107.837 Cl3 C1 Br4 110.568
Cl3 C1 I5 111.630 Br4 C1 I5 112.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 F -0.257      
3 Cl 0.042      
4 Br 0.184      
5 I 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.074 -1.156 -1.192 1.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -55.702 -0.106 -0.283
y -0.106 -59.937 -0.255
z -0.283 -0.255 -62.674
Traceless
 xyz
x 5.603 -0.106 -0.283
y -0.106 -0.749 -0.255
z -0.283 -0.255 -4.855
Polar
3z2-r2-9.709
x2-y24.235
xy-0.106
xz-0.283
yz-0.255


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.167 0.208 -0.048
y 0.208 7.690 -0.197
z -0.048 -0.197 3.690


<r2> (average value of r2) Å2
<r2> 205.088
(<r2>)1/2 14.321