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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-14016.086482
Energy at 298.15K 
HF Energy-14015.896546
Nuclear repulsion energy961.860753
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 1068 1068 211.77 17.27 0.43 0.61
2 A1 557 557 8.94 3.84 0.01 0.02
3 A1 267 267 0.02 16.53 0.14 0.25
4 A1 109 109 0.10 4.10 0.43 0.60
5 A2 232 232 0.00 0.97 0.75 0.86
6 B1 719 719 365.36 10.00 0.75 0.86
7 B1 266 266 0.25 4.48 0.75 0.86
8 B2 1164 1164 85.22 1.17 0.75 0.86
9 B2 283 283 0.05 1.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2333.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2333.1 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
0.08817 0.01867 0.01687

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 0.873
F2 0.000 1.117 1.676
F3 0.000 -1.117 1.676
I4 1.836 0.000 -0.334
I5 -1.836 0.000 -0.334

Atom - Atom Distances (Å)
  C1 F2 F3 I4 I5
C11.37531.37532.19742.1974
F21.37532.23432.94242.9424
F31.37532.23432.94242.9424
I42.19742.94242.94243.6720
I52.19742.94242.94243.6720

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.640 F2 C1 I4 108.693
F2 C1 I5 108.693 F3 C1 I4 108.693
F3 C1 I5 108.693 I4 C1 I5 113.337
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 0.331      
2 F -0.258      
3 F -0.258      
4 I 0.093      
5 I 0.093      


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 -0.947 0.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.954 0.000 0.000
y 0.000 -74.275 0.000
z 0.000 0.000 -72.603
Traceless
 xyz
x 6.484 0.000 0.000
y 0.000 -4.496 0.000
z 0.000 0.000 -1.988
Polar
3z2-r2-3.976
x2-y27.320
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.160 0.000 0.000
y 0.000 6.802 0.000
z 0.000 0.000 7.949


<r2> (average value of r2) Å2
<r2> 491.226
(<r2>)1/2 22.164