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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: QCISD(T)/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)/cc-pVTZ-PP
 hartrees
Energy at 0K-892.970616
Energy at 298.15K 
HF Energy-892.097894
Nuclear repulsion energy244.318710
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 QCISD(T)/cc-pVTZ-PP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3160 3160        
2 A 1333 1333        
3 A 1201 1201        
4 A 1109 1109        
5 A 783 783        
6 A 600 600        
7 A 416 416        
8 A 275 275        
9 A 193 193        

Unscaled Zero Point Vibrational Energy (zpe) 4534.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4534.4 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 QCISD(T)/cc-pVTZ-PP
ABC
0.20872 0.04864 0.04046

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ-PP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.988 0.477 0.417
H2 1.062 0.613 1.490
F3 1.268 1.639 -0.210
Cl4 2.157 -0.757 -0.071
I5 -1.039 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08431.35031.76802.1520
H21.08431.99702.34772.6822
F31.35031.99702.55912.8962
Cl41.76802.34772.55913.2633
I52.15202.68222.89623.2633

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.738 H2 C1 Cl4 108.402
H2 C1 I5 107.298 F3 C1 Cl4 109.579
F3 C1 I5 109.432 Cl4 C1 I5 112.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability