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The triclinic form of dipotassium cobalt(II) bis-(dihydrogendiphosphate) dihydrate.

Lamhamdi A, Essehli R, El Bali B, Dušek M, Fejfarová K - Acta Crystallogr Sect E Struct Rep Online (2011)

Bottom Line: Two bidentate dihydrogendiphosphate anions form the equatorial plane of the [CoO(6)] octa-hedron which is completed by two water mol-ecules in axial positions.This results in isolated {Co(H(2)O)(2)[H(2)P(2)O(7)](2)}(4-) entities linked into a three-dimensional network through K-O bonds and O-H⋯O hydrogen-bonding inter-actions involving the dihydrogendiphosphate anions and water mol-ecules.The dihydrogendiphosphate anion, (H(2)P(2)O(7))(2-), is bent and shows an almost eclipsed conformation.

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ABSTRACT
In the title compound, K(2)Co(H(2)P(2)O(7))(2)·2H(2)O, the octa-hedrally coordinated Co(2+) ion lies on an inversion centre. Two bidentate dihydrogendiphosphate anions form the equatorial plane of the [CoO(6)] octa-hedron which is completed by two water mol-ecules in axial positions. This results in isolated {Co(H(2)O)(2)[H(2)P(2)O(7)](2)}(4-) entities linked into a three-dimensional network through K-O bonds and O-H⋯O hydrogen-bonding inter-actions involving the dihydrogendiphosphate anions and water mol-ecules. The dihydrogendiphosphate anion, (H(2)P(2)O(7))(2-), is bent and shows an almost eclipsed conformation.

No MeSH data available.


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: Projection of the structure along the b-axis. H-bonds are displayed as dashed lines.
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Fap2: : Projection of the structure along the b-axis. H-bonds are displayed as dashed lines.


The triclinic form of dipotassium cobalt(II) bis-(dihydrogendiphosphate) dihydrate.

Lamhamdi A, Essehli R, El Bali B, Dušek M, Fejfarová K - Acta Crystallogr Sect E Struct Rep Online (2011)

: Projection of the structure along the b-axis. H-bonds are displayed as dashed lines.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3120459&req=5

Fap2: : Projection of the structure along the b-axis. H-bonds are displayed as dashed lines.
Bottom Line: Two bidentate dihydrogendiphosphate anions form the equatorial plane of the [CoO(6)] octa-hedron which is completed by two water mol-ecules in axial positions.This results in isolated {Co(H(2)O)(2)[H(2)P(2)O(7)](2)}(4-) entities linked into a three-dimensional network through K-O bonds and O-H⋯O hydrogen-bonding inter-actions involving the dihydrogendiphosphate anions and water mol-ecules.The dihydrogendiphosphate anion, (H(2)P(2)O(7))(2-), is bent and shows an almost eclipsed conformation.

View Article: PubMed Central - HTML - PubMed

ABSTRACT
In the title compound, K(2)Co(H(2)P(2)O(7))(2)·2H(2)O, the octa-hedrally coordinated Co(2+) ion lies on an inversion centre. Two bidentate dihydrogendiphosphate anions form the equatorial plane of the [CoO(6)] octa-hedron which is completed by two water mol-ecules in axial positions. This results in isolated {Co(H(2)O)(2)[H(2)P(2)O(7)](2)}(4-) entities linked into a three-dimensional network through K-O bonds and O-H⋯O hydrogen-bonding inter-actions involving the dihydrogendiphosphate anions and water mol-ecules. The dihydrogendiphosphate anion, (H(2)P(2)O(7))(2-), is bent and shows an almost eclipsed conformation.

No MeSH data available.


Related in: MedlinePlus