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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: CCD/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 CCD/3-21G*
 hartrees
Energy at 0K-10042.709908
Energy at 298.15K 
HF Energy-10042.090778
Nuclear repulsion energy897.107923
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 CCD/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 1100 1052 77.69      
2 A 769 735 154.99      
3 A 742 710 186.32      
4 A 432 413 0.84      
5 A 314 300 0.49      
6 A 266 254 0.85      
7 A 247 237 0.34      
8 A 181 173 0.02      
9 A 137 131 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 2093.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 2002.1 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 CCD/3-21G*
ABC
0.05834 0.02540 0.02068

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.455 0.482 0.349
F2 0.548 0.718 1.716
Cl3 0.773 2.017 -0.507
Br4 1.789 -0.850 -0.143
I5 -1.574 -0.262 -0.074

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.39061.78651.94802.2018
F21.39062.58432.73032.9443
Cl31.78652.58433.06393.3001
Br41.94802.73033.06393.4141
I52.20182.94433.30013.4141

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.217 F2 C1 Br4 108.579
F2 C1 I5 107.951 Cl3 C1 Br4 110.181
Cl3 C1 I5 111.248 Br4 C1 I5 110.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability