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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-14017.549541
Energy at 298.15K 
HF Energy-14017.549541
Nuclear repulsion energy928.788681
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 BLYP/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 1019 1013 269.41 5.50 0.74 0.85
2 A1 535 532 11.67 2.24 0.05 0.09
3 A1 230 229 1.64 16.81 0.19 0.32
4 A1 100 99 0.02 9.30 0.50 0.67
5 A2 222 221 0.00 1.99 0.75 0.86
6 B1 627 624 435.29 5.03 0.75 0.86
7 B1 239 238 4.78 7.67 0.75 0.86
8 B2 1127 1121 135.38 0.46 0.75 0.86
9 B2 278 276 0.67 3.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2188.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 2176.3 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 BLYP/3-21G
ABC
0.08469 0.01720 0.01557

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.916
F2 0.000 1.127 1.712
F3 0.000 -1.127 1.712
I4 1.916 0.000 -0.343
I5 -1.916 0.000 -0.343

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.37941.37942.29242.2924
F21.37942.25383.02673.0267
F31.37942.25383.02673.0267
I42.29243.02673.02673.8317
I52.29243.02673.02673.8317

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 109.556 F2 C1 I4 108.463
F2 C1 I5 108.463 F3 C1 I4 108.463
F3 C1 I5 108.463 I4 C1 I5 113.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.093      
2 F -0.195      
3 F -0.195      
4 I 0.149      
5 I 0.149      


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 -0.273 0.273
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -69.010 0.000 0.000
y 0.000 -73.581 0.000
z 0.000 0.000 -71.652
Traceless
 xyz
x 3.606 0.000 0.000
y 0.000 -3.250 0.000
z 0.000 0.000 -0.356
Polar
3z2-r2-0.713
x2-y24.571
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.319 0.000 0.000
y 0.000 3.884 0.000
z 0.000 0.000 6.053


<r2> (average value of r2) Å2
<r2> 526.761
(<r2>)1/2 22.951