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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: LSDA/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 LSDA/cc-pVTZ-PP
 hartrees
Energy at 0K-828.372033
Energy at 298.15K 
HF Energy-828.372033
Nuclear repulsion energy395.560114
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 LSDA/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 1097 1097 274.34 9.61 0.28 0.43
2 A1 605 605 6.92 4.17 0.00 0.00
3 A1 277 277 0.20 12.09 0.10 0.19
4 A1 109 109 0.10 3.38 0.39 0.56
5 A2 241 241 0.00 0.61 0.75 0.86
6 B1 723 723 354.04 4.57 0.75 0.86
7 B1 274 274 0.18 3.22 0.75 0.86
8 B2 1159 1159 141.80 0.60 0.75 0.86
9 B2 304 304 0.11 1.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2394.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2394.5 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 LSDA/cc-pVTZ-PP
ABC
0.09232 0.01975 0.01777

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.869
F2 0.000 1.071 1.645
F3 0.000 -1.071 1.645
I4 1.786 0.000 -0.329
I5 -1.786 0.000 -0.329

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.32291.32292.15082.1508
F21.32292.14292.86972.8697
F31.32292.14292.86972.8697
I42.15082.86972.86973.5724
I52.15082.86972.86973.5724

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.174 F2 C1 I4 109.071
F2 C1 I5 109.071 F3 C1 I4 109.071
F3 C1 I5 109.071 I4 C1 I5 112.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.085      
2 F -0.072      
3 F -0.072      
4 I 0.029      
5 I 0.029      


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 -0.508 0.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.155 0.000 0.000
y 0.000 -70.437 0.000
z 0.000 0.000 -68.838
Traceless
 xyz
x 4.483 0.000 0.000
y 0.000 -3.441 0.000
z 0.000 0.000 -1.042
Polar
3z2-r2-2.084
x2-y25.283
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.484 0.000 0.000
y 0.000 8.302 0.000
z 0.000 0.000 9.582


<r2> (average value of r2) Å2
<r2> 281.414
(<r2>)1/2 16.775