2H Chromen 4(3H) one

Molecular conformation and atom numbering scheme ( PLATON , Spek, 2009) of the title compound, with displacement ellipsoids drawn at 50% probability level and H atoms with

The molecular structure of (I) showing the atomic labeling scheme with displacement ellipsoids drawn at the 50% probability level. H atoms are shown as spheres of arbitary

The molecular structure of the title compound with displacement ellipsoids drawn at the 30% probability level..

The molecular structure of the major component of the title compund, showing 30% probability displacement ellipsoids. Intramolecular hydrogen bonds are shown as

The molecular structure of the title compound, showing the atom-numbering scheme and displacement ellipsoids drawn. at the 30%

The molecular structure of the title compound, showing the atom-numbering scheme and displacement ellipsoids drawn. at the 50%

The molecular component in the title compound showing the zwitterion lying on a crystallographic mirror plane and the atom-labelling scheme. Displacement ellipsoids are drawn at

Molecular structure of the title compound, with the atom-labeling scheme and probability displacement ellipsoids drawn at the 30% level...