The crystal structure of the title compound, CoK 2 (H 2 -P 2 O 7 ) 2 Á2H 2 O, is, to our knowledge, the ®rst example of a mixed-metal dihydrogendiphosphate, containing an alkali earth metal and a divalent transition metal. The metal ions and the two water O atoms are located on a crystallographic mi
✦ LIBER ✦
Sodium cobalt(II) hydrogendiphosphate, NaCoHP2O7
✍ Scribed by Guesmi, Abderrahmen ;Driss, Ahmed
- Book ID
- 104479828
- Publisher
- International Union of Crystallography
- Year
- 2002
- Tongue
- English
- Weight
- 202 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The structure consists of a three-dimensional framework built up from centrosymmetric Co 2 (HP 2 O 7 ) 2 clusters, linked through PÐOÐCo corners, delimiting interconnected tunnels. The Na + cations partially occupy two independent positions in the tunnels at a distance of 0.58 (2) A Ê from each other. The structure of NaCoHP 2 O 7 in the solid state is similar to that of NaZnHP 2 O 7 and CaCoP 2 O 7 .
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