SCHEDULED MAINTENANCE
Dilithium acetylide reacts with a solution of lithium nitride in liquid lithium at 530 °C to form the dilithium salt of cyanamide, Li2NCN; subsequent evaporation of the liquid metal solvent leaves colourless single crystals of the salt which X-ray diffraction shows is composed of centrosymmetric NCN2– ions and Li+ ions surrounded by a distorted tetrahedron of nitrogen atoms.
M. G. Down, M. J. Haley, P. Hubberstey, R. J. Pulham and A. E. Thunder, J. Chem. Soc., Chem. Commun., 1978, 52 DOI: 10.1039/C39780000052
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