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Experimental data for NH2F (monofluoroamine)

22 02 02 11 45
Other names
Monofluoroammonia; Fluoroamine;
INChI INChIKey SMILES IUPAC name
InChI=1S/FH2N/c1-2/h2H2 MDQRDWAGHRLBPA-UHFFFAOYSA-N NF
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
1 A' 3269   webbook      
2 A' 1568   webbook      
3 A' 1244   webbook      
4 A' 934   webbook      
5 A" 3346   webbook      

Calculated vibrational frequencies for NH2F (monofluoroamine).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
8.78179 0.87919 0.84490 1987Chr/Min:7020

Calculated rotational constants for NH2F (monofluoroamine).
Product of moments of inertia moments of inertia
734.3795amu3Å6   3.36270324389209E-117gm3 cm6
Geometric Data
picture of monofluoroamine

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
rNF 1.433   1 2 1987Chr/Min:7020 r0
rNH 1.023   1 3 1987Chr/Min:7020
aHNF 101.08 2 1 3 1987Chr/Min:7020
aHNH 106.27 3 1 4 1987Chr/Min:7020

Cartesians
Atom x (Å) y (Å) z (Å)
N1 0.0646 0.6946 0.0000
F2 0.0646 -0.7383 0.0000
H3 -0.5165 0.8911 0.8181
H4 -0.5165 0.8911 -0.8181

Atom - Atom Distances bond lengths
Distances in Å
  N1 F2 H3 H4
N1   1.43291.02251.0225
F2 1.4329   1.91361.9136
H3 1.02251.9136   1.6361
H4 1.02251.91361.6361  

Calculated geometries for NH2F (monofluoroamine).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
F2 N1 H3 101.080 F2 N1 H4 101.080
H3 N1 H4 106.270

Bond descriptions


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

Connectivity
Atom 1 Atom 2
N1 F2
N1 H3
N1 H4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
10.830   11.620   webbook
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 1.580 1.630   2.270 1987Chr/Min:7020 MW μ0 ±0.18 D 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 NH2F (monofluoroamine).
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 NH2F (monofluoroamine).

References
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squib reference DOI
1987Chr/Min:7020 D Christen, R Minkwitz, R Nass "Microwave Spectrum, Inversion, and Molecular Structure of Monofluoroamine, FNH2" J. Am. Chem. Soc. 1987, 109, 7020-7024 10.1021/ja00257a019
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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