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2.1 Basics of Structures

Structure and lattice – full description

Crystal data

Formula sum C

Crystal system trigonal Structure

Space group R -3 m (no. 166)

Unit cell dimensions a, b, c = 3.6350 Å, = 39.49 ° Lattice

Atomic coordinates

Atom Ox. Wyck. x y z

C +0 2c 0.164 0.164 0.164

Structure