Materials Data on Na2MnCl4 by Materials Project
Na2MnCl4 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six Cl1- atoms. There are a spread of Na–Cl bond distances ranging from 2.83–2.99 Å. Mn2+ is bonded to six Cl1- atoms to form edge-sharing MnCl6 octahedra. There are two shorter (2.50 Å) and four longer (2.60 Å) Mn–Cl bond lengths. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded to four equivalent Na1+ and one Mn2+ atom to form a mixture of distorted edge and corner-sharing ClNa4Mn trigonal bipyramids. In the second Cl1- site, Cl1- is bonded in a 4-coordinate geometry to two equivalent Na1+ and two equivalent Mn2+ atoms.
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