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Experimental data for CH2FCH2CH2F (1,3-difluoropropane)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H6F2/c4-2-1-3-5/h1-3H2 OOLOYCGJRJFTPM-UHFFFAOYSA-N FCCCF
State Conformation
1A C2
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 CH2FCH2CH2F (1,3-difluoropropane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.31229 0.09630 0.09094 2019Lu/Zha:064305

Calculated rotational constants for CH2FCH2CH2F (1,3-difluoropropane).
Product of moments of inertia moments of inertia
1751690amu3Å6   8.0209411797945E-114gm3 cm6
Geometric Data
picture of 1,3-difluoropropane

Point Group C2


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

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CH2FCH2CH2F (1,3-difluoropropane).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 2
C-F 2
H-C 6

Connectivity
Atom 1 Atom 2
C1 C2
C1 C3
C1 H6
C1 H7
C2 F4
C2 H8
C2 H9
C3 F5
C3 H10
C3 H11
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 C2 True   2.082   2.082 1997Mar/Mol:1058-1065   C2 1 3
1 2 1A1 C2v False          
1 3 1A C1 False 1.076 1.595 0.306 1.949 1997Mar/Mol:1058-1065  
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 CH2FCH2CH2F (1,3-difluoropropane).
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 C2 True       C2 1 3
1 2 1A1 C2v False      
1 3 1A C1 False      

Calculated electric quadrupole moments for CH2FCH2CH2F (1,3-difluoropropane).

References
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squib reference DOI
1997Mar/Mol:1058-1065 KM Marstokk, H Mollendal "Structural and Conformational Properties of 1,3-Difluoropropane as Studied by Microwave Spectroscopy and Ab lnitio Calculations" Acta Chemica Scandinavica, 1997: 51: 1058-1065 10.3891/acta.chem.scand.51-1058
2019Lu/Zha:064305 T Lu, J Zhang, J Chen, Q Gou, Z Xia, G Feng "Structure and non-covalent interactions of 1,3-difluoropropane and its complex with water explored by rotational spectroscopy and quantum chemical calculations" J. Chem. Phys. 150, 064305 (2019) 10.1063/1.5079564

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