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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-14017.583556
Energy at 298.15K 
HF Energy-14017.583556
Nuclear repulsion energy943.522791
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 B3LYP/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 A1 1065 1027 282.82 13.24 0.58 0.73
2 A1 555 535 12.99 2.42 0.01 0.02
3 A1 246 237 1.02 18.97 0.20 0.33
4 A1 107 103 0.02 8.37 0.51 0.68
5 A2 237 228 0.00 2.01 0.75 0.86
6 B1 679 655 425.86 10.51 0.75 0.86
7 B1 257 248 1.27 7.81 0.75 0.86
8 B2 1176 1135 138.31 0.26 0.75 0.86
9 B2 292 282 0.92 3.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2305.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 2224.7 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 B3LYP/3-21G
ABC
0.08729 0.01776 0.01609

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.892
F2 0.000 1.114 1.686
F3 0.000 -1.114 1.686
I4 1.885 0.000 -0.337
I5 -1.885 0.000 -0.337

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.36841.36842.25012.2501
F21.36842.22862.98112.9811
F31.36842.22862.98112.9811
I42.25012.98112.98113.7703
I52.25012.98112.98113.7703

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 109.039 F2 C1 I4 108.475
F2 C1 I5 108.475 F3 C1 I4 108.475
F3 C1 I5 108.475 I4 C1 I5 113.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 F -0.237      
3 F -0.237      
4 I 0.188      
5 I 0.188      


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 -0.668 0.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.477 0.000 0.000
y 0.000 -73.862 0.000
z 0.000 0.000 -72.308
Traceless
 xyz
x 4.608 0.000 0.000
y 0.000 -3.469 0.000
z 0.000 0.000 -1.139
Polar
3z2-r2-2.278
x2-y25.385
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.453 0.000 0.000
y 0.000 3.746 0.000
z 0.000 0.000 5.747


<r2> (average value of r2) Å2
<r2> 511.696
(<r2>)1/2 22.621