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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ-PP
 hartrees
Energy at 0K-829.096848
Energy at 298.15K 
HF Energy-829.096848
Nuclear repulsion energy390.298767
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 TPSSh/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 1069 1069 288.47 20.35 0.30 0.47
2 A1 598 598 5.57 4.55 0.00 0.01
3 A1 265 265 0.19 16.04 0.12 0.22
4 A1 106 106 0.09 4.10 0.38 0.55
5 A2 240 240 0.00 0.60 0.75 0.86
6 B1 714 714 360.30 7.66 0.75 0.86
7 B1 266 266 0.26 3.92 0.75 0.86
8 B2 1121 1121 148.10 0.93 0.75 0.86
9 B2 300 300 0.07 1.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2338.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2338.5 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 TPSSh/cc-pVTZ-PP
ABC
0.09065 0.01911 0.01721

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.873
F2 0.000 1.080 1.662
F3 0.000 -1.080 1.662
I4 1.817 0.000 -0.332
I5 -1.817 0.000 -0.332

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.33761.33762.18022.1802
F21.33762.16062.90562.9056
F31.33762.16062.90562.9056
I42.18022.90562.90563.6342
I52.18022.90562.90563.6342

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.739 F2 C1 I4 109.015
F2 C1 I5 109.015 F3 C1 I4 109.015
F3 C1 I5 109.015 I4 C1 I5 112.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 F -0.120      
3 F -0.120      
4 I 0.031      
5 I 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.587 0.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.981 0.000 0.000
y 0.000 8.402 0.000
z 0.000 0.000 9.678


<r2> (average value of r2) Å2
<r2> 288.496
(<r2>)1/2 16.985