return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: CCSD(T)=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-895.512949
Energy at 298.15K 
HF Energy-894.095687
Nuclear repulsion energy245.453532
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 CCSD(T)=FULL/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/Def2TZVPP
ABC
0.20971 0.04925 0.04091

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.979 0.472 0.416
H2 1.052 0.609 1.486
F3 1.259 1.637 -0.209
Cl4 2.145 -0.754 -0.071
I5 -1.032 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08101.35121.76072.1356
H21.08101.99272.33992.6666
F31.35121.99272.55322.8819
Cl41.76072.33992.55323.2442
I52.13562.66662.88193.2442

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.527 H2 C1 Cl4 108.477
H2 C1 I5 107.405 F3 C1 Cl4 109.565
F3 C1 I5 109.420 Cl4 C1 I5 112.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability