Abstract
A clathrate compound [MnPy4(NO3)2]·2Py was synthesized and studied by single-crystal X-ray diffraction analysis (KM-4 diffractometer, CuKα,ω/2ϑ scan mode,ϑ max=78°). The unit cell is base-centered orthorhombic, space group Ccca, a=12.097(4), b=15.197(4), c=17.213(4) Å, V=3164(2) Å3, Z=4, R=0.072, for 632 reflections and 107 parameters in the least-squares analysis. The host molecule has 222 symmetry. Two monodentate nitrato groups and four pyridine ligands are coordinated to Mn(II) along the symmetry axes (the former via O). The pyridine guest molecules lie in the cavities of the crystal framework. For [MnPy3(NO3)2)], only unit cell parameters were determined: a=12.467(5), b=9.514(2), c=16.383(5) Å,β=108.93(4), V=1838(1) Å3 space group C2/c or Cc (according to extinctions). The pyridine-manganese nitrate system is shown to be analogous to the previously investigated Co, Ni, Cu, Zn, and Cd systems.
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Additional information
Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences. Institute of Physical Chemistry, Polish Academy of Sciences. Translated fromZhurnal Strukturnoi Khimii, Vol. 39, No. 2, pp. 292–299, March–April, 1998.
This work was supported by the Federal Program “State Support for Integration of Higher Education and Fundamental Science for 1997–2000” (project No. 274).
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Soldatov, D.V., Lipkowski, J. X-ray diffraction study of the clathrate [MnPy4(NO3)2)]·2Py and complex [MnPy3(NO3)2] formed in the pyridine (Py)-manganese nitrate system. J Struct Chem 39, 238–243 (1998). https://doi.org/10.1007/BF02873624
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DOI: https://doi.org/10.1007/BF02873624