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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-14015.882454
Energy at 298.15K 
HF Energy-14015.746981
Nuclear repulsion energy945.572014
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/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 1065 272.84 17.96 0.53 0.69
2 A1 552 552 13.41 2.41 0.01 0.03
3 A1 249 249 0.81 19.79 0.19 0.32
4 A1 109 109 0.02 7.93 0.52 0.68
5 A2 241 241 0.00 2.17 0.75 0.86
6 B1 696 696 404.26 13.65 0.75 0.86
7 B1 261 261 0.38 8.09 0.75 0.86
8 B2 1177 1177 132.01 0.23 0.75 0.86
9 B2 294 294 1.07 3.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2321.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2321.8 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 B2PLYP/3-21G
ABC
0.08781 0.01782 0.01616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.881
F2 0.000 1.117 1.679
F3 0.000 -1.117 1.679
I4 1.881 0.000 -0.335
I5 -1.881 0.000 -0.335

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.37301.37302.24022.2402
F21.37302.23382.97412.9741
F31.37302.23382.97412.9741
I42.24022.97412.97413.7629
I52.24022.97412.97413.7629

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.878 F2 C1 I4 108.401
F2 C1 I5 108.401 F3 C1 I4 108.401
F3 C1 I5 108.401 I4 C1 I5 114.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.113      
2 F -0.256      
3 F -0.256      
4 I 0.199      
5 I 0.199      


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 -0.884 0.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -68.614 0.000 0.000
y 0.000 -74.418 0.000
z 0.000 0.000 -73.056
Traceless
 xyz
x 5.123 0.000 0.000
y 0.000 -3.583 0.000
z 0.000 0.000 -1.540
Polar
3z2-r2-3.081
x2-y25.804
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.136 0.000 0.000
y 0.000 3.686 0.000
z 0.000 0.000 5.647


<r2> (average value of r2) Å2
<r2> 509.983
(<r2>)1/2 22.583