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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-7482.837072
Energy at 298.15K 
HF Energy-7482.416733
Nuclear repulsion energy408.944056
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 CID/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 A 3261 3034 2.47      
2 A 1392 1295 12.56      
3 A 1297 1207 101.22      
4 A 1130 1051 101.90      
5 A 763 710 179.45      
6 A 615 572 33.77      
7 A 402 374 1.07      
8 A 268 249 1.01      
9 A 200 186 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4663.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4339.2 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 CID/3-21G*
ABC
0.20279 0.04747 0.03947

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.008 0.470 0.435
H2 1.086 0.595 1.506
F3 1.299 1.663 -0.213
Cl4 2.175 -0.770 -0.074
I5 -1.053 -0.100 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08111.38821.77792.1850
H21.08112.03482.35502.7160
F31.38822.03482.58982.9453
Cl41.77792.35502.58983.2974
I52.18502.71602.94533.2974

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.370 H2 C1 Cl4 108.447
H2 C1 I5 107.666 F3 C1 Cl4 109.148
F3 C1 I5 108.983 Cl4 C1 I5 112.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability