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Experimental data for NHF2 (difluoramine)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/F2HN/c1-3-2/h3H ULFHSQLFQYTZLS-UHFFFAOYSA-N FNF
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' 3193   webbook       NH stretch
2 A' 1307           NH bend
3 A' 972           NF2 s-str
4 A' 500           NF2 sciss
5 A" 1424           NH bend
6 A" 888           NF2 a-str

vibrational zero-point energy: 4142.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for NHF2 (difluoramine).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
1.76846 0.36343 0.31046 1963Lid:456

Calculated rotational constants for NHF2 (difluoramine).
Product of moments of inertia moments of inertia
24008.84amu3Å6   1.0993581434032E-115gm3 cm6
Geometric Data
picture of difluoramine

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 1.400 0.002 1 3 1963Lid:456
rHN 1.026 0.002 1 2 1963Lid:456
aFNF 102.9 0.2 3 1 4 1963Lid:456
aHNF 99.8 0.2 2 1 3 1963Lid:456

Cartesians
Atom x (Å) y (Å) z (Å)
N1 0.0380 0.5932 0.0000
H2 -0.9490 0.8735 0.0000
F3 0.0380 -0.2792 1.0949
F4 0.0380 -0.2792 -1.0949

Atom - Atom Distances bond lengths
Distances in Å
  N1 H2 F3 F4
N1   1.02601.40001.4000
H2 1.0260   1.87131.8713
F3 1.40001.8713   2.1898
F4 1.40001.87132.1898  

Calculated geometries for NHF2 (difluoramine).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
H2 N1 F3 99.800 H2 N1 F4 99.800
F3 N1 F4 102.900

Bond descriptions


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

Connectivity
Atom 1 Atom 2
N1 H2
N1 F3
N1 F4
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
11.600   12.380   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 1.260 1.440 0.000 1.920 1963Lid:456 x=b, y=c 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 NHF2 (difluoramine).
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 NHF2 (difluoramine).

References
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squib reference DOI
1963Lid:456 DR Lide "Microwave Spectrum abnd Structure of Difluoramine" J. Chem. Phys. 38, 456, 1963 10.1063/1.1733680
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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