Diaquabis(2-oxo-2H-chromene-3-carboxylato-κ2O2,O3)manganese(II)
2011
New Manganese Complex with Coumarin
publication
Evidence: moderate
Author Information
Author(s): Cui Yue, Gao Qian, Wang Huan-Huan, Wang Lin, Xie Ya-Bo
Primary Institution: Beijing University of Technology
Hypothesis
The study investigates the synthesis and crystal structure of a new manganese complex coordinated by coumarin-3-carboxylic acid.
Conclusion
The manganese(II) complex exhibits a slightly distorted octahedral geometry with specific bond distances and angles.
Supporting Evidence
- The manganese(II) atom is six-coordinated by two O atoms from water and four O atoms from coumarin ligands.
- The Mn—O bond distances range from 2.0931 to 2.2315 Å.
- O—H⋯O hydrogen bonds link the complex molecules into two-dimensional layers.
Takeaway
Scientists made a new manganese compound using a special acid, and they found that it has a unique shape.
Methodology
The complex was synthesized by layering solutions of manganese sulfate, coumarin-3-carboxylic acid, and lithium hydroxide, followed by crystallization.
Digital Object Identifier (DOI)
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