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Updated: Jun 1, 2026

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Synthetic Methodology for Asymmetric Ferrocene Derived Bio-conjugate Systems via Solid Phase Resin-based Methodology
Published on: March 12, 2015
Ferrocene-1-carbaldehyde thio-semi-carbazone
Summary
This study details the crystal structure of a novel iron compound, [Fe(C5H5)(C7H8N3S)], revealing two independent molecules with distinct orientations. Intermolecular hydrogen bonds and C-H interactions stabilize the crystal lattice.
Area of Science:
- Organometallic Chemistry
- Crystallography
- Supramolecular Chemistry
Background:
- Organometallic compounds featuring cyclopentadienyl (Cp) ligands are crucial in catalysis and materials science.
- Understanding the solid-state structure provides insights into molecular interactions and reactivity.
- Semicarbazone derivatives offer diverse coordination possibilities and biological activities.
Purpose of the Study:
- To characterize the crystal structure of the title compound, [Fe(C5H5)(C7H8N3S)].
- To analyze the conformation of the cyclopentadienyl rings and the orientation of the semicarbazone ligand.
- To investigate the intermolecular interactions governing the crystal packing.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the three-dimensional structure.
- Analysis of bond lengths, bond angles, and dihedral angles provided conformational details.
- Intermolecular interactions, including hydrogen bonds and C-H···π interactions, were identified and analyzed.
Main Results:
- The asymmetric unit contains two independent molecules (A and B) of [Fe(C5H5)(C7H8N3S)].
- Cyclopentadienyl rings in both molecules exhibit an eclipsed conformation.
- Molecule A shows coplanarity between the semicarbazone group and the Cp ring, while molecule B displays a twisted orientation. Intermolecular N-H⋯S hydrogen bonds form 2D planes, and C-H⋯π interactions further stabilize the structure.
Conclusions:
- The crystal structure of [Fe(C5H5)(C7H8N3S)] reveals nuanced conformational differences between independent molecules.
- The observed intermolecular hydrogen bonding and C-H⋯π interactions are key factors in the crystal packing.
- This structural data provides a foundation for further studies on the properties and applications of this organometallic compound.
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