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All results from a given calculation for CF2I2 (difluorodiiodomethane)

using model chemistry: B2PLYP=FULL/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=FULL/3-21G
 hartrees
Energy at 0K-14015.889896
Energy at 298.15K 
HF Energy-14015.746992
Nuclear repulsion energy945.723887
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=FULL/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 1014 272.59 17.95 0.53 0.69
2 A1 552 525 13.39 2.40 0.01 0.03
3 A1 249 237 0.80 19.77 0.19 0.32
4 A1 109 103 0.02 7.92 0.52 0.68
5 A2 241 229 0.00 2.17 0.75 0.86
6 B1 697 663 403.79 13.65 0.75 0.86
7 B1 262 249 0.37 8.08 0.75 0.86
8 B2 1177 1120 131.90 0.23 0.75 0.86
9 B2 294 280 1.07 3.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2322.2 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 2210.8 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=FULL/3-21G
ABC
0.08784 0.01783 0.01617

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.880
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
C11.37291.37292.23972.2397
F21.37292.23372.97362.9736
F31.37292.23372.97362.9736
I42.23972.97362.97363.7623
I52.23972.97362.97363.7623

picture of difluorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 F3 108.872 F2 C1 I4 108.399
F2 C1 I5 108.399 F3 C1 I4 108.399
F3 C1 I5 108.399 I4 C1 I5 114.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability