Silicon Dutta B N Physica Status Solidi 2 (1962) 984-987 Lattice constants and thermal expansion of silicon up to 900 C by X-ray method Locality: synthetic Sample: at T = 615 C _database_code_amcsd 0015106 5.4432 5.4432 5.4432 90 90 90 Fd3m atom x y z Si 0 0 0