Material name Graphite (2H)
Composition C
Chemical formula weight 12.01
System Hexagonal
Temperature (ºC) r.t.
a (Å), b (Å), c (Å) 2.464(2) 2.464(2) 6.711(4) @
α (deg), β (deg), γ (deg) 90 90 120 @
Unit cell volume (Å3) 35.3
Calculated density (g/p3) 2.26
Z 4
Space group P63/mmc (No.194)
atom site g x/a y/b z/c B2)
C1 2b 1 0 0 1/4 0.58
C2 2c 1 1/3 2/3 1/4 0.61
Comment B values were calculated on the basis of Uij values in the reference.

Reference: P. Trucano and R. Chen, Nature, 258, 136 (1975).