return to home page

II.A.3. (XII.A.1.)

Listing of experimental geometry data for C2H4F2 (1,2-difluoroethane)

No experimental rotational constants available.
Calculated rotational constants for C2H4F2 (1,2-difluoroethane).

Point Group C2

Internal coordinates (distances (r) in Å) (angles (a) in degrees) (dihedrals (d) in degrees)
Description Value Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCC 1.493 1 2 1998Kuc r0
rCF 1.390 1 3 1998Kuc
rCH 1.099 1 6 1998Kuc gauche to F on other C
rCH 1.093 1 5 1998Kuc trans to F on other C
aCCF 110.6 1 2 4 1998Kuc
aHCC 108.4 1 2 8 1998Kuc H gauche to F on other C
aHCC 111.3 1 2 7 1998Kuc H trans to F on other C
aHCH 109.1 5 1 6 1998Kuc
aHCF 109.6 3 1 6 1998Kuc H gauche to F on other C
aHCF 107.8 3 1 5 1998Kuc H trans to F on other C
dFCCF 71 3 1 2 4 1998Kuc r0
picture of 1,2-difluoroethane

Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 4
C-C 1
C-F 2

Atom x (Å) y (Å) z (Å)

Atom - Atom Distances (Å)
 

Calculated geometries for C2H4F2 (1,2-difluoroethane).


References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to cccbdb@nist.gov.
squib reference DOI
1998Kuc K Kuchitsu(ed) "Structure of Free Polyatomic Molecules - Basic Data" Springer, Berlin, 1998  

Got a better number? Please email us at cccbdb@nist.gov


Browse
PreviousNext