trans-Dichloridobis(propane-1,3-diamine-κ2N,N′)chromium(III) perchlorate [CrCl2(C3H10N2)2]ClO4
2011
Structure of a Chromium(III) Complex
publication
Evidence: high
Author Information
Author(s): Choi Jong-Ha, Clegg William
Primary Institution: Andong National University
Hypothesis
The study aims to determine the crystal structure of trans-[Cr(tn)2Cl2]ClO4.
Conclusion
The crystal structure analysis confirmed the presence of a dichlorido complex instead of the intended dibromido complex.
Supporting Evidence
- The chromium(III) ion adopts an octahedral geometry with four nitrogen atoms and two chlorine atoms.
- The study provides further information on the conformation of the six-membered chelate rings.
- The Cr—N and Cr—Cl bond lengths are consistent with known values for similar complexes.
Takeaway
Scientists studied a chromium compound to see how its atoms are arranged, and they found it had two chlorine atoms instead of two bromine atoms.
Methodology
The structure was determined using X-ray crystallography with a Bruker APEXII CCD diffractometer.
Limitations
The study is limited by the complexity of distinguishing between geometric isomers using spectroscopic methods.
Digital Object Identifier (DOI)
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