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Experimental data for CH2FCH2CH3 (1-Fluoropropane)

22 02 02 11 45
Other names
Propane, 1-fluoro-; n-Propyl fluoride; Propyl fluoride;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H7F/c1-2-3-4/h2-3H2,1H3 JRHNUZCXXOTJCA-UHFFFAOYSA-N CCCF 1-Fluoropropane
State Conformation
1A' CS trans
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 15.69 0.16 kJ mol-1 TRC
Hfg(0K) enthalpy of formation   0.16 kJ mol-1 TRC
Entropy (298.15K) entropy 304.60 3.00 J K-1 mol-1 TRC
Heat Capacity (298.15K) heat capacity 82.12 0.82 J K-1 mol-1 TRC
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
10 A" 1462          
13 A' 1391          
15 A" 1301          
16 A" 1253          
18 A' 1110          
19 A' 1031          
20 A' 1051          
21 A' 884          
22 A" 890          
24 A' 450          
25 A' 270          
26 A" 210          
27 A" 129          

Calculated vibrational frequencies for CH2FCH2CH3 (1-Fluoropropane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.90018 0.12503 0.11708 1962Hir:283

Calculated rotational constants for CH2FCH2CH3 (1-Fluoropropane).
Product of moments of inertia moments of inertia
363557amu3Å6   1.664717323404E-114gm3 cm6
Geometric Data
picture of 1-Fluoropropane

Point Group C1


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
rCC 1.534 0.001 2 3 1992Kuchitsu(II/21)
rCC 1.501 0.002 1 2 1992Kuchitsu(II/21)
rCF 1.401 0.003 1 4 1992Kuchitsu(II/21)
rCH 1.095 0.001 1 5
rCH 1.094 0.001 2 7 1992Kuchitsu(II/21)
rCH 1.084 0.002 3 9 1992Kuchitsu(II/21)
rCH 1.093 0.002 3 10 1992Kuchitsu(II/21)
aCCC 110.6 0.3 1 2 3 1992Kuchitsu(II/21)
aCCF 110 0.4 2 1 4 1992Kuchitsu(II/21)
aHCF 107.2 0.2 4 1 5 1992Kuchitsu(II/21)
aHCC 111.6 0.1 2 1 5 1992Kuchitsu(II/21)
aHCH 109 0.2 5 1 6 1992Kuchitsu(II/21)
aHCC 109 0.1 1 2 7 1992Kuchitsu(II/21)
aHCC 110.4 0.2 3 2 7
aHCH 107.3 0.2 7 2 8 1992Kuchitsu(II/21)
aHCC 111.4 0.4 2 3 9 1992Kuchitsu(II/21)
aHCC 111 0.2 2 3 10 1992Kuchitsu(II/21)
aHCH 107.7 0.3 9 3 10 1992Kuchitsu(II/21)
aHCH 108.5 0.5 10 3 11 1992Kuchitsu(II/21)

Cartesians
Atom x (Å) y (Å) z (Å)
C1 0.4757 -0.6042 0.0000
C2 -0.6145 0.5279 0.0000
C3 -1.9945 -0.1428 0.0000
F4 1.7282 0.1228 0.0000
H5 0.4303 -1.1384 -0.8919
H6 0.4303 -1.1384 0.8919
H7 -0.4996 1.1660 -0.8812
H8 -0.4996 1.1660 0.8812
H9 -2.7911 0.5928 0.0000
H10 -2.1238 -0.7726 0.8844
H11 -2.1238 -0.7726 -0.8844

Atom - Atom Distances bond lengths
Distances in Å
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C1   1.57172.51291.44821.04061.04062.20492.20493.47922.75092.7509
C2 1.5717   1.53432.37742.15952.15951.09401.09402.17752.17982.1798
C3 2.51291.5343   3.73212.76882.76882.17352.17351.08431.09341.0934
F4 1.44822.37743.7321   2.01752.01752.61302.61304.54364.05234.0523
H5 1.04062.15952.76882.0175   1.78372.48503.05273.76433.13252.5802
H6 1.04062.15952.76882.01751.7837   3.05272.48503.76432.58023.1325
H7 2.20491.09402.17352.61302.48503.0527   1.76242.52113.08442.5290
H8 2.20491.09402.17352.61303.05272.48501.7624   2.52112.52903.0844
H9 3.47922.17751.08434.54363.76433.76432.52112.5211   1.75841.7584
H10 2.75092.17981.09344.05233.13252.58023.08442.52901.7584   1.7688
H11 2.75092.17981.09344.05232.58023.13252.52903.08441.75841.7688  

Calculated geometries for CH2FCH2CH3 (1-Fluoropropane).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
C1 C2 C3 107.999 C1 C2 H7 110.323
C1 C2 H8 110.323 C2 C1 F4 103.788
C2 C1 H5 109.849 C2 C1 H6 109.849
C2 C3 H9 111.359 C2 C3 H10 110.986
C2 C3 H11 110.986 C3 C2 H7 110.450
C3 C2 H8 110.450 F4 C1 H5 107.181
F4 C1 H6 107.181 H5 C1 H6 117.980
H7 C2 H8 107.311 H9 C3 H10 107.692
H9 C3 H11 107.692 H10 C3 H11 107.965

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 7
C-C 2
C-F 1

Connectivity
Atom 1 Atom 2
C1 C2
C1 F4
C1 H5
C1 H6
C2 C3
C2 H7
C2 H8
C3 H9
C3 H10
C3 H11
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
11.300   11.960   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 trans False       2.050 1962Hir:283   Cs 2 3
1 2 1A C1 gauche True       1.900 1962Hir:283   C1 3 5
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 CH2FCH2CH3 (1-Fluoropropane).
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 trans False       Cs 2 3
1 2 1A C1 gauche True       C1 3 5

Calculated electric quadrupole moments for CH2FCH2CH3 (1-Fluoropropane).

References
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squib reference DOI
1962Hir:283 E Hirota "Rotational Isomerization and Microwave Spectroscopy. I. The Microwave Spectrum of Normal Propyl Fluoride" J. Chem. Phys. 37, 283 (1962) 10.1063/1.1701318
1992Kuchitsu(II/21) Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 21: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1992.  
TRC Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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