Bis(iminodiethylenediammonium) di-μ5-hydrogenphosphato-pentamolybdate(VI) tetrahydrate
The crystal structure of (C
4H
15N
3)
2[Mo
5O
15(HPO
4)
2]·4H
2O is made up of [Mo
5O
15(HPO
4)
2]
4- anions, C
4H
15N
32+ cations and lattice water molecules. The [Mo
5O
15(HPO
4)
2]
4- cluster, with approximate
C2 symmetry, can be considered as a ring formed by five distorted edge- and corner-sharing MoO
6 octahedra, capped on both poles by a hydrophosphate tetrahedron. There exist N−H⋅⋅⋅O, O−H⋅⋅⋅N and C−H⋅⋅⋅O hydrogen bonds between the organic components and the clusters.
Feng Geng, Guo-Hua Han and Bi-Zhou Lin
![[Cations]](https://www.iucr.org/__data/assets/image/0008/5201/Image6.gif)
A packing view along the b axis, showing the arrangement of the [Mo5O15(HPO4)2]4− clusters (polyhedra), the (H2tren)2+ cations and the lattice water molecules in the crystal structure.
