title: Temperature-dependent capture of water molecules by saddle-shaped hexanuclear carboxylate cycloclusters in a (3,18)-connected metal-organic framework.
abstract: A new (3,18)-connected 3D metal-organic framework [Co(PYNT)(H(2)O)(2)](n) (ZZU-1) (H(2)PYNT=5-(3'-carboxylphenyl) nicotic acid) has been reported. Amazingly, ZZU-1 captures water molecules and transforms into the hydrated framework {[Co(3)(PYNT)(3)(H(2)O)(6)]⋅H(2)O}(n) (ZZU-2) at 160 °C in refluxing hydrated DMF, but not at 100 °C in refluxing neat water or from the solvothermal synthesis conducted at 90 °C.
authors.affiliation: Department of Chemistry, Zhengzhou University, Henan, PR China.
authors.forename: Yi
authors.initials: Y
authors.lastname: Han
authors.forename: Hong
authors.initials: H
authors.lastname: Xu
authors.forename: Yanyan
authors.initials: Y
authors.lastname: Liu
authors.forename: Huijun
authors.initials: H
authors.lastname: Li
authors.forename: Hongwei
authors.initials: H
authors.lastname: Hou
authors.forename: Yaoting
authors.initials: Y
authors.lastname: Fan
authors.forename: Stuart R
authors.initials: SR
authors.lastname: Batten