The crystal structure of 3-aminopyridinium octamolybdate bis(N,N-dimethylformamide)
- 1 January 1985
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Kristallographie
- Vol. 173 (3-4) , 169-178
- https://doi.org/10.1524/zkri.1985.173.3-4.169
Abstract
X-ray structure analysis has confirmed the presence of the [Mo 8 O 26 ] 4− anion in (C 5 H 7 N 2 ) 4 [Mo 8 O 26 ] · 2C 3 H 7 NO. The compound is orthorhombic, Pbca , a = 18.0857(4), b = 20.7100(4), c = 13.1225(3) Å, Z = 4, D o = 2.31(1), D x = 2.31 Mg m−3, R = 0.057 and R w = 0.064 for 3699 observed reflexions. Eight MoO 6 distorted octahedra share edges with short terminal Mo – O bonds (1.691 – 1.752 Å), bonds of intermediate length (1.884 – 1.996 Å) and long bonds (2.130 – 2.451 Å). The structure consists of β -[Mo 8 O 26 ] 4− polyanions, 3-aminopyridinium cations and N,N-dimethylformamide solvate linked through N – H… O and N – H… Odmf bonds.Keywords
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