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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-13938.826029
Energy at 298.15K 
HF Energy-13938.780587
Nuclear repulsion energy945.708725
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 B2PLYP/STO-3G
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 1179 1179 181.64 11.58 0.45 0.62
2 A1 572 572 20.41 3.53 0.00 0.00
3 A1 285 285 2.15 12.04 0.16 0.28
4 A1 118 118 0.16 5.68 0.54 0.70
5 A2 251 251 0.00 1.98 0.75 0.86
6 B1 735 735 329.10 12.00 0.75 0.86
7 B1 284 284 1.35 6.42 0.75 0.86
8 B2 1299 1299 107.92 0.01 0.75 0.86
9 B2 323 323 4.77 2.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2523.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2523.0 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 B2PLYP/STO-3G
ABC
0.08475 0.01810 0.01628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.901
F2 0.000 1.115 1.720
F3 0.000 -1.115 1.720
I4 1.866 0.000 -0.343
I5 -1.866 0.000 -0.343

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.38351.38352.24312.2431
F21.38352.23082.99722.9972
F31.38352.23082.99722.9972
I42.24312.99722.99723.7323
I52.24312.99722.99723.7323

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 107.457 F2 C1 I4 109.163
F2 C1 I5 109.163 F3 C1 I4 109.163
F3 C1 I5 109.163 I4 C1 I5 112.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 F -0.059      
3 F -0.059      
4 I 0.007      
5 I 0.007      


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 0.935 0.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.186 0.000 0.000
y 0.000 -66.887 0.000
z 0.000 0.000 -65.738
Traceless
 xyz
x -1.873 0.000 0.000
y 0.000 0.075 0.000
z 0.000 0.000 1.798
Polar
3z2-r23.596
x2-y2-1.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.553 0.000 0.000
y 0.000 1.507 0.000
z 0.000 0.000 3.452


<r2> (average value of r2) Å2
<r2> 503.947
(<r2>)1/2 22.449