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

Listing of experimental geometry data for C2H2O4 (Oxalic Acid)

No experimental rotational constants available.
Calculated rotational constants for C2H2O4 (Oxalic Acid).

Point Group C2h

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 1.544 1 2 1976Hellwege(II/7)
rCO 1.205 1 5 1976Hellwege(II/7)
rCO 1.336 1 3 1976Hellwege(II/7)
aCCO 123.1 1 2 6 1976Hellwege(II/7)
aOCO 125 3 1 5 1976Hellwege(II/7)
aCOH 104.4 1 3 7 1976Hellwege(II/7)
picture of Oxalic Acid

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

Atom x (Å) y (Å) z (Å)

Atom - Atom Distances (Å)
 

Calculated geometries for C2H2O4 (Oxalic Acid).

References
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squib reference DOI
1976Hellwege(II/7) Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.  

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