ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, vol.60, 2004 (SCI-Expanded)
The title compound, C13H12Cl4N5OP3, is a phosphazene derivative with a bulky substituted spirocyclic ring. The C3NPO spirocyclic ring has a twist-boat conformation, while the phosphazene ring has a very flattened boat conformation.