Strong-Field vs Weak-Field Ligands definitions Flashcards
Strong-Field vs Weak-Field Ligands definitions
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Crystal Field Splitting Energy Energy difference between lower and higher orbitals in a metal complex influenced by ligand type. Octahedral Complex A coordination compound where a central metal atom is surrounded by six ligands. Strong-Field Ligand Ligands that cause a large energy gap between orbitals, leading to a large crystal field splitting energy. Weak-Field Ligand Ligands that result in a small energy gap between orbitals, causing a small crystal field splitting energy. Degenerate Orbitals Orbitals that have the same energy level, often seen with weak-field ligands. Cyanide A strong-field ligand known for creating the largest crystal field splitting energy. Iodine A weak-field ligand associated with the smallest crystal field splitting energy. Ethylenediamine A strong-field ligand that contributes to a large crystal field splitting energy. Ammonia A strong-field ligand that increases the crystal field splitting energy. Halogens Elements in group 7A, often weak-field ligands, ordered from fluorine to iodine. Fluorine A halogen and weak-field ligand, part of the order from strong to weak ligands. Chlorine A halogen and weak-field ligand, following fluorine in ligand strength. Bromine A halogen and weak-field ligand, positioned before iodine in ligand strength. Water A weak-field ligand that precedes halogens in the order of ligand strength. Nitrate A strong-field ligand contributing to a large crystal field splitting energy.
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