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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-260.588054
Energy at 298.15K 
HF Energy-260.588054
Nuclear repulsion energy131.871193
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/SDD
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 975 937 302.76 9.24 0.54 0.70
2 A1 533 513 9.10 4.46 0.06 0.11
3 A1 254 244 0.10 15.29 0.16 0.28
4 A1 113 109 0.28 9.92 0.60 0.75
5 A2 235 226 0.00 2.66 0.75 0.86
6 B1 691 664 371.91 4.54 0.75 0.86
7 B1 262 251 0.00 6.09 0.75 0.86
8 B2 1011 971 198.24 0.38 0.75 0.86
9 B2 296 285 0.18 5.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2184.3 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 2099.8 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/SDD
ABC
0.08677 0.01831 0.01654

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.854
F2 0.000 1.122 1.696
F3 0.000 -1.122 1.696
I4 1.855 0.000 -0.336
I5 -1.855 0.000 -0.336

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.40291.40292.20402.2040
F21.40292.24442.97162.9716
F31.40292.24442.97162.9716
I42.20402.97162.97163.7092
I52.20402.97162.97163.7092

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 106.243 F2 C1 I4 108.919
F2 C1 I5 108.919 F3 C1 I4 108.919
F3 C1 I5 108.919 I4 C1 I5 114.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 F -0.159      
3 F -0.159      
4 I 0.203      
5 I 0.203      


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 -1.891 1.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.911 0.000 0.000
y 0.000 -59.361 0.000
z 0.000 0.000 -58.437
Traceless
 xyz
x 7.989 0.000 0.000
y 0.000 -4.687 0.000
z 0.000 0.000 -3.301
Polar
3z2-r2-6.602
x2-y28.451
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.339 0.000 0.000
y 0.000 3.251 0.000
z 0.000 0.000 5.881


<r2> (average value of r2) Å2
<r2> 163.700
(<r2>)1/2 12.795