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# Listing of experimental geometry data for HNO2(Nitrous acid)

## Rotational Constants (cm-1)

See section I.F.4 to change rotational constant units
A B C
3.09855 0.41778 0.36749
Rotational Constants from 1985Dee/Mil:962
Calculated rotational constants for HNO2 (Nitrous acid).

## 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
rNO 1.442 2 3 1972Fin/Cox:548
rNO 1.169 3 4 1972Fin/Cox:548
aONO 110.6 2 3 4 1972Fin/Cox:548
rOH 0.959 1 2 1972Fin/Cox:548
aHON 102.1 1 2 3 1972Fin/Cox:548

## Bond descriptions

Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-O 1
N-O 1
N=O 1
Atom x (Å) y (Å) z (Å)
H1 1.7545 -0.1823 0.0000
O2 0.8942 -0.6061 0.0000
N3 0.0000 0.5252 0.0000
O4 -1.1135 0.1693 0.0000

Atom - Atom Distances (Å)
H1 O2 N3 O4
H10.95901.89182.8895
O20.95901.44202.1522
N31.89181.44201.1690
O42.88952.15221.1690

Calculated geometries for HNO2 (Nitrous acid).
References