Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Crystallography concept
|
| gptkbp:basisFor |
crystal structure determination
|
| gptkbp:canBe |
conventional
primitive base-centered body-centered face-centered non-primitive primitive cell |
| gptkbp:characterizedBy |
lattice parameters
|
| gptkbp:contains |
lattice points
|
| gptkbp:definedIn |
smallest repeating unit in a crystal lattice
|
| gptkbp:describedBy |
gptkb:International_Tables_for_Crystallography
Cartesian coordinates fractional coordinates |
| gptkbp:example |
cubic unit cell
hexagonal unit cell monoclinic unit cell orthorhombic unit cell rhombohedral unit cell tetragonal unit cell triclinic unit cell |
| gptkbp:hasProperty |
periodicity
translational symmetry |
| gptkbp:heldBy |
edges
vertices faces building block of crystals |
| https://www.w3.org/2000/01/rdf-schema#label |
Unit cell
|
| gptkbp:parameter |
angles (alpha, beta, gamma)
edge lengths (a, b, c) |
| gptkbp:relatedTo |
gptkb:Wyckoff_position
Bravais lattice crystal system space group Motif asymmetric unit |
| gptkbp:repeatsToForm |
crystal
|
| gptkbp:shape |
gptkb:parallelepiped
|
| gptkbp:symmetry |
depends on crystal system
|
| gptkbp:usedFor |
describe crystal structure
|
| gptkbp:usedIn |
crystallography
electron diffraction materials science neutron diffraction solid state physics X-ray diffraction analysis |
| gptkbp:volume |
V = abc√(1 - cos²α - cos²β - cos²γ + 2cosα cosβ cosγ)
|
| gptkbp:bfsParent |
gptkb:Atomic_lattice
|
| gptkbp:bfsLayer |
7
|