C

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

Cartesian product
cell-twinning
center
centralizer
centred lattice
charge flipping
chirality
chiral space group
CIF
co-crystal
complex
composition plane
conjugacy class
constrained refinement
conventional cell
corresponding twins
coset
Cromer–Mann coefficients
cross-section
crystal
crystal class
crystal family
crystal pattern
crystal structure
crystal system
crystallographic basis
Crystallographic Information File
Crystallographic Information Framework
crystallographic orbit
crystallographic symmetry
Curie laws
cylindrical system