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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: CCSD(T)=FULL/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)=FULL/cc-pVTZ-PP
 hartrees
Energy at 0K-827.344488
Energy at 298.15K 
HF Energy-826.123385
Nuclear repulsion energy393.779801
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 CCSD(T)=FULL/cc-pVTZ-PP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1107 1107        
2 A1 612 612        
3 A1 282 282        
4 A1 115 115        
5 A2 254 254        
6 B1 764 764        
7 B1 282 282        
8 B2 1171 1171        
9 B2 314 314        

Unscaled Zero Point Vibrational Energy (zpe) 2450.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2450.7 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 CCSD(T)=FULL/cc-pVTZ-PP
ABC
0.09203 0.01951 0.01758

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.861
F2 0.000 1.077 1.648
F3 0.000 -1.077 1.648
I4 1.797 0.000 -0.329
I5 -1.797 0.000 -0.329

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.33361.33362.15542.1554
F21.33362.15392.88032.8803
F31.33362.15392.88032.8803
I42.15542.88032.88033.5945
I52.15542.88032.88033.5945

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.708 F2 C1 I4 109.002
F2 C1 I5 109.002 F3 C1 I4 109.002
F3 C1 I5 109.002 I4 C1 I5 112.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability