Bis[μ-2-(4-hydroxyphenyl)acetato]-κ<sup>3</sup><i>O</i>,<i>O</i>′:<i>O</i>;κ<sup>3</sup><i>O</i>:<i>O</i>,<i>O</i>′-bis{aqua(4,4′-bipyridine-κ<i>N</i>)[2-(4-hydroxyphenyl)acetato-κ<sup>2</sup><i>O</i>,<i>O</i>′]samarium(III)} monohydrate
Acta crystallographica. Section E