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Experimental data for CH2FI (fluoroiodomethane)

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INChI INChIKey SMILES IUPAC name
InChI=1S/CH2FI/c2-1-3/h1H2 XGVXNTVBGYLJIR-UHFFFAOYSA-N FCI
State Conformation
1A' CS
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for CH2FI (fluoroiodomethane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
1.28152 0.09591 0.09076 2011Puz/Caz:174312

Calculated rotational constants for CH2FI (fluoroiodomethane).
Product of moments of inertia moments of inertia
429434amu3Å6   1.96636640494087E-114gm3 cm6
Geometric Data
picture of fluoroiodomethane

Point Group Cs


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCF 1.362 0.002 1 2 2012Puz/Caz:024310
rCI 2.140 0.002 1 3 2012Puz/Caz:024310
rHC 1.082 0.001 1 4 2012Puz/Caz:024310
aFCI 110.47 0.27 2 1 3 2012Puz/Caz:024310
aHCF 109.66 0.24 2 1 4 2012Puz/Caz:024310
aHCI 107 0.18 3 1 4 2012Puz/Caz:024310
aHCH 112.98 0.08 4 1 5 2012Puz/Caz:024310

Cartesians
Atom x (Å) y (Å) z (Å)
C1 -0.5255 -1.4657 0.0000
F2 0.5935 -2.2401 0.0000
I3 0.0000 0.6085 0.0000
H4 -1.0944 -1.6479 0.9024
H5 -1.0944 -1.6479 -0.9024

Atom - Atom Distances bond lengths
Distances in Å
  C1 F2 I3 H4 H5
C1   1.36092.13971.08221.0822
F2 1.3609   2.90982.00352.0035
I3 2.13972.9098   2.66522.6652
H4 1.08222.00352.6652   1.8047
H5 1.08222.00352.66521.8047  

Calculated geometries for CH2FI (fluoroiodomethane).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
F2 C1 I3 110.470 F2 C1 H4 109.660
F2 C1 H5 109.660 I3 C1 H4 107.000
I3 C1 H5 107.000 H4 C1 H5 112.987

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 2
C-F 1
C-I 1

Connectivity
Atom 1 Atom 2
C1 F2
C1 I3
C1 H4
C1 H5
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A' Cs True 0.230 1.583   1.599 2011Puz/Caz:174312   Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH2FI (fluoroiodomethane).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A' Cs True       Cs 2 3

Calculated electric quadrupole moments for CH2FI (fluoroiodomethane).

References
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squib reference DOI
2011Puz/Caz:174312 C Puzzarini, G Cazzoli, JC López, JL Alonso, A Baldacci, A Baldan, S Stopkowicz, L Cheng, J Gauss "Spectroscopic investigation of fluoroiodomethane, CH2FI: Fourier-transform microwave and millimeter-/submillimeterwave spectroscopy and quantum-chemical calculations" J. Chem. Phys. 134, 174312 (2011) 10.1063/1.3583498
2012Puz/Caz:024310 C Puzzarini, G Cazzoli, JC López, JL Alonso, A Baldacci, A Baldan, S Stopkowicz, L Cheng, J Gauss "Rotational spectra of rare isotopic species of fluoroiodomethane: Determination of the equilibrium structure from rotational spectroscopy and quantum-chemical calculations" J. Chem. Phys. 137, 024310 (2012) 10.1063/1.4731284

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