Ni(en)3 Isomers

F. Metal Tris Chelates Containing Ligands that can have λ / δ Ligand Twists
3. The Eight Isomeric Forms of [Ni(H₂NCH₂CH₂NH₂)₃]²⁺

3D structures all eight isomeric forms of [Ni(H₂NCH₂CH₂NH₂)₃]²⁺ once could be found on Flick Coleman's Web site
and on the Featured Molecules (August 2006) of JCE Online

The eight isomeric forms (in no particular order) are listed here

Δ-λλλ

Δ-λλδ

Δ-λδδ

Δ-δδδ

Λ-λλλ

Λ-λλδ

Λ-λδδ

Λ-δδδ

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Resources developed by Marion E. Cass, Carleton College and updated in 2025. Computations and content done in consultation with Henry S. Rzepa, Imperial College, London

F. Metal Tris Chelates Containing Ligands that can have λ / δ Ligand Twists 3. The Eight Isomeric Forms of [Ni(H2NCH2CH2NH2)3]2+

F. Metal Tris Chelates Containing Ligands that can have λ / δ Ligand Twists
3. The Eight Isomeric Forms of [Ni(H₂NCH₂CH₂NH₂)₃]²⁺