Hydrothermal synthesis and structure of [(C<SUB>4</SUB>N<SUB>2</SUB>H<SUB>12</SUB>)<SUB>3</SUB>][P<SUB>2</SUB>Mo<SUB>5</SUB>O<SUB>23</SUB>]·H<SUB>2</SUB>O and [(C<SUB>3</SUB>N<SUB>2</SUB>H<SUB>12</SUB>)<SUB>3</SUB>][P<SUB>2</SUB>Mo<SUB>5</SUB> O<SUB>23</SUB>]·4H<SUB>2</SUB>O
- Ganesan, S. V.
- Natarajan, Srinivasan
DOIAbstract
Two new compounds, [(C4N2H12)3] [P2Mo5O23]·H2O,I, and [(C3N2H12)3][P2Mo5 O23]4H2O,II, have been prepared employing hydrothermal methods in the presence of aliphatic organic amine molecules. Both the compounds possess the same polyoxoanion, pentamolybdatobisphosphate, (P2Mo5O23)6-. The anions consist of a ring of five MoO6 distorted octahedra with four edge connections and one corner connection. The phosphate groups cap the pentamolybdate ring anion on either side. The anion is stabilized by strong hydrogen bonds involving the hydrogen atoms of the amine molecules and the oxygen atoms of the polyoxoanion and water molecules. Crystal data:I, monoclinic, space group = P21/n (no. 14), mol. wt. = 1192.1, a = 9.4180(1), b = 18.1972(3), c = 1...
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